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((VariantClass v, int w, int h, int s));
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 */
278 static int initPing = -1;
280 /* States for ics_getting_history */
282 #define H_REQUESTED 1
283 #define H_GOT_REQ_HEADER 2
284 #define H_GOT_UNREQ_HEADER 3
285 #define H_GETTING_MOVES 4
286 #define H_GOT_UNWANTED_HEADER 5
288 /* whosays values for GameEnds */
297 /* Maximum number of games in a cmail message */
298 #define CMAIL_MAX_GAMES 20
300 /* Different types of move when calling RegisterMove */
302 #define CMAIL_RESIGN 1
304 #define CMAIL_ACCEPT 3
306 /* Different types of result to remember for each game */
307 #define CMAIL_NOT_RESULT 0
308 #define CMAIL_OLD_RESULT 1
309 #define CMAIL_NEW_RESULT 2
311 /* Telnet protocol constants */
322 safeStrCpy (char *dst, const char *src, size_t count)
325 assert( dst != NULL );
326 assert( src != NULL );
329 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
330 if( i == count && dst[count-1] != NULLCHAR)
332 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
333 if(appData.debugMode)
334 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
340 /* Some compiler can't cast u64 to double
341 * This function do the job for us:
343 * We use the highest bit for cast, this only
344 * works if the highest bit is not
345 * in use (This should not happen)
347 * We used this for all compiler
350 u64ToDouble (u64 value)
353 u64 tmp = value & u64Const(0x7fffffffffffffff);
354 r = (double)(s64)tmp;
355 if (value & u64Const(0x8000000000000000))
356 r += 9.2233720368547758080e18; /* 2^63 */
360 /* Fake up flags for now, as we aren't keeping track of castling
361 availability yet. [HGM] Change of logic: the flag now only
362 indicates the type of castlings allowed by the rule of the game.
363 The actual rights themselves are maintained in the array
364 castlingRights, as part of the game history, and are not probed
370 int flags = F_ALL_CASTLE_OK;
371 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
372 switch (gameInfo.variant) {
374 flags &= ~F_ALL_CASTLE_OK;
375 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
376 flags |= F_IGNORE_CHECK;
378 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
381 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
383 case VariantKriegspiel:
384 flags |= F_KRIEGSPIEL_CAPTURE;
386 case VariantCapaRandom:
387 case VariantFischeRandom:
388 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
389 case VariantNoCastle:
390 case VariantShatranj:
395 flags &= ~F_ALL_CASTLE_OK;
403 FILE *gameFileFP, *debugFP, *serverFP;
404 char *currentDebugFile; // [HGM] debug split: to remember name
407 [AS] Note: sometimes, the sscanf() function is used to parse the input
408 into a fixed-size buffer. Because of this, we must be prepared to
409 receive strings as long as the size of the input buffer, which is currently
410 set to 4K for Windows and 8K for the rest.
411 So, we must either allocate sufficiently large buffers here, or
412 reduce the size of the input buffer in the input reading part.
415 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
416 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
417 char thinkOutput1[MSG_SIZ*10];
419 ChessProgramState first, second, pairing;
421 /* premove variables */
424 int premoveFromX = 0;
425 int premoveFromY = 0;
426 int premovePromoChar = 0;
428 Boolean alarmSounded;
429 /* end premove variables */
431 char *ics_prefix = "$";
432 enum ICS_TYPE ics_type = ICS_GENERIC;
434 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
435 int pauseExamForwardMostMove = 0;
436 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
437 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
438 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
439 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
440 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
441 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
442 int whiteFlag = FALSE, blackFlag = FALSE;
443 int userOfferedDraw = FALSE;
444 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
445 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
446 int cmailMoveType[CMAIL_MAX_GAMES];
447 long ics_clock_paused = 0;
448 ProcRef icsPR = NoProc, cmailPR = NoProc;
449 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
450 GameMode gameMode = BeginningOfGame;
451 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
452 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
453 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
454 int hiddenThinkOutputState = 0; /* [AS] */
455 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
456 int adjudicateLossPlies = 6;
457 char white_holding[64], black_holding[64];
458 TimeMark lastNodeCountTime;
459 long lastNodeCount=0;
460 int shiftKey, controlKey; // [HGM] set by mouse handler
462 int have_sent_ICS_logon = 0;
464 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
465 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
466 Boolean adjustedClock;
467 long timeControl_2; /* [AS] Allow separate time controls */
468 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
469 long timeRemaining[2][MAX_MOVES];
470 int matchGame = 0, nextGame = 0, roundNr = 0;
471 Boolean waitingForGame = FALSE, startingEngine = FALSE;
472 TimeMark programStartTime, pauseStart;
473 char ics_handle[MSG_SIZ];
474 int have_set_title = 0;
476 /* animateTraining preserves the state of appData.animate
477 * when Training mode is activated. This allows the
478 * response to be animated when appData.animate == TRUE and
479 * appData.animateDragging == TRUE.
481 Boolean animateTraining;
487 Board boards[MAX_MOVES];
488 /* [HGM] Following 7 needed for accurate legality tests: */
489 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
490 signed char initialRights[BOARD_FILES];
491 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
492 int initialRulePlies, FENrulePlies;
493 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
495 Boolean shuffleOpenings;
496 int mute; // mute all sounds
498 // [HGM] vari: next 12 to save and restore variations
499 #define MAX_VARIATIONS 10
500 int framePtr = MAX_MOVES-1; // points to free stack entry
502 int savedFirst[MAX_VARIATIONS];
503 int savedLast[MAX_VARIATIONS];
504 int savedFramePtr[MAX_VARIATIONS];
505 char *savedDetails[MAX_VARIATIONS];
506 ChessMove savedResult[MAX_VARIATIONS];
508 void PushTail P((int firstMove, int lastMove));
509 Boolean PopTail P((Boolean annotate));
510 void PushInner P((int firstMove, int lastMove));
511 void PopInner P((Boolean annotate));
512 void CleanupTail P((void));
514 ChessSquare FIDEArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackBishop, BlackKnight, BlackRook }
521 ChessSquare twoKingsArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
523 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
524 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
525 BlackKing, BlackKing, BlackKnight, BlackRook }
528 ChessSquare KnightmateArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
530 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
531 { BlackRook, BlackMan, BlackBishop, BlackQueen,
532 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
535 ChessSquare SpartanArray[2][BOARD_FILES] = {
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
539 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
542 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
543 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
544 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
545 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
546 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
549 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
551 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
553 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
556 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
557 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
558 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackMan, BlackFerz,
560 BlackKing, BlackMan, BlackKnight, BlackRook }
563 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
564 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
565 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackMan, BlackFerz,
567 BlackKing, BlackMan, BlackKnight, BlackRook }
570 ChessSquare lionArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
573 { BlackRook, BlackLion, BlackBishop, BlackQueen,
574 BlackKing, BlackBishop, BlackKnight, BlackRook }
578 #if (BOARD_FILES>=10)
579 ChessSquare ShogiArray[2][BOARD_FILES] = {
580 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
581 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
582 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
583 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
586 ChessSquare XiangqiArray[2][BOARD_FILES] = {
587 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
588 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
589 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
590 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
593 ChessSquare CapablancaArray[2][BOARD_FILES] = {
594 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
595 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
596 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
597 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
600 ChessSquare GreatArray[2][BOARD_FILES] = {
601 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
602 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
603 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
604 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
607 ChessSquare JanusArray[2][BOARD_FILES] = {
608 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
609 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
610 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
611 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
614 ChessSquare GrandArray[2][BOARD_FILES] = {
615 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
616 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
617 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
618 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
621 ChessSquare ChuChessArray[2][BOARD_FILES] = {
622 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
623 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
624 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
625 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
629 ChessSquare GothicArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
631 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
633 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
636 #define GothicArray CapablancaArray
640 ChessSquare FalconArray[2][BOARD_FILES] = {
641 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
642 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
643 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
644 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
647 #define FalconArray CapablancaArray
650 #else // !(BOARD_FILES>=10)
651 #define XiangqiPosition FIDEArray
652 #define CapablancaArray FIDEArray
653 #define GothicArray FIDEArray
654 #define GreatArray FIDEArray
655 #endif // !(BOARD_FILES>=10)
657 #if (BOARD_FILES>=12)
658 ChessSquare CourierArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
660 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
662 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
664 ChessSquare ChuArray[6][BOARD_FILES] = {
665 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
666 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
667 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
668 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
669 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
670 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
671 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
672 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
673 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
674 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
675 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
676 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
678 #else // !(BOARD_FILES>=12)
679 #define CourierArray CapablancaArray
680 #define ChuArray CapablancaArray
681 #endif // !(BOARD_FILES>=12)
684 Board initialPosition;
687 /* Convert str to a rating. Checks for special cases of "----",
689 "++++", etc. Also strips ()'s */
691 string_to_rating (char *str)
693 while(*str && !isdigit(*str)) ++str;
695 return 0; /* One of the special "no rating" cases */
703 /* Init programStats */
704 programStats.movelist[0] = 0;
705 programStats.depth = 0;
706 programStats.nr_moves = 0;
707 programStats.moves_left = 0;
708 programStats.nodes = 0;
709 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
710 programStats.score = 0;
711 programStats.got_only_move = 0;
712 programStats.got_fail = 0;
713 programStats.line_is_book = 0;
718 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
719 if (appData.firstPlaysBlack) {
720 first.twoMachinesColor = "black\n";
721 second.twoMachinesColor = "white\n";
723 first.twoMachinesColor = "white\n";
724 second.twoMachinesColor = "black\n";
727 first.other = &second;
728 second.other = &first;
731 if(appData.timeOddsMode) {
732 norm = appData.timeOdds[0];
733 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
735 first.timeOdds = appData.timeOdds[0]/norm;
736 second.timeOdds = appData.timeOdds[1]/norm;
739 if(programVersion) free(programVersion);
740 if (appData.noChessProgram) {
741 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
742 sprintf(programVersion, "%s", PACKAGE_STRING);
744 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
745 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
746 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
751 UnloadEngine (ChessProgramState *cps)
753 /* Kill off first chess program */
754 if (cps->isr != NULL)
755 RemoveInputSource(cps->isr);
758 if (cps->pr != NoProc) {
760 DoSleep( appData.delayBeforeQuit );
761 SendToProgram("quit\n", cps);
762 DoSleep( appData.delayAfterQuit );
763 DestroyChildProcess(cps->pr, cps->useSigterm);
766 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
770 ClearOptions (ChessProgramState *cps)
773 cps->nrOptions = cps->comboCnt = 0;
774 for(i=0; i<MAX_OPTIONS; i++) {
775 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
776 cps->option[i].textValue = 0;
780 char *engineNames[] = {
781 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
782 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
784 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
785 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
790 InitEngine (ChessProgramState *cps, int n)
791 { // [HGM] all engine initialiation put in a function that does one engine
795 cps->which = engineNames[n];
796 cps->maybeThinking = FALSE;
800 cps->sendDrawOffers = 1;
802 cps->program = appData.chessProgram[n];
803 cps->host = appData.host[n];
804 cps->dir = appData.directory[n];
805 cps->initString = appData.engInitString[n];
806 cps->computerString = appData.computerString[n];
807 cps->useSigint = TRUE;
808 cps->useSigterm = TRUE;
809 cps->reuse = appData.reuse[n];
810 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
811 cps->useSetboard = FALSE;
813 cps->usePing = FALSE;
816 cps->usePlayother = FALSE;
817 cps->useColors = TRUE;
818 cps->useUsermove = FALSE;
819 cps->sendICS = FALSE;
820 cps->sendName = appData.icsActive;
821 cps->sdKludge = FALSE;
822 cps->stKludge = FALSE;
823 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
824 TidyProgramName(cps->program, cps->host, cps->tidy);
826 ASSIGN(cps->variants, appData.variant);
827 cps->analysisSupport = 2; /* detect */
828 cps->analyzing = FALSE;
829 cps->initDone = FALSE;
832 /* New features added by Tord: */
833 cps->useFEN960 = FALSE;
834 cps->useOOCastle = TRUE;
835 /* End of new features added by Tord. */
836 cps->fenOverride = appData.fenOverride[n];
838 /* [HGM] time odds: set factor for each machine */
839 cps->timeOdds = appData.timeOdds[n];
841 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
842 cps->accumulateTC = appData.accumulateTC[n];
843 cps->maxNrOfSessions = 1;
848 cps->supportsNPS = UNKNOWN;
849 cps->memSize = FALSE;
850 cps->maxCores = FALSE;
851 ASSIGN(cps->egtFormats, "");
854 cps->optionSettings = appData.engOptions[n];
856 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
857 cps->isUCI = appData.isUCI[n]; /* [AS] */
858 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
861 if (appData.protocolVersion[n] > PROTOVER
862 || appData.protocolVersion[n] < 1)
867 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
868 appData.protocolVersion[n]);
869 if( (len >= MSG_SIZ) && appData.debugMode )
870 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
872 DisplayFatalError(buf, 0, 2);
876 cps->protocolVersion = appData.protocolVersion[n];
879 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
880 ParseFeatures(appData.featureDefaults, cps);
883 ChessProgramState *savCps;
891 if(WaitForEngine(savCps, LoadEngine)) return;
892 CommonEngineInit(); // recalculate time odds
893 if(gameInfo.variant != StringToVariant(appData.variant)) {
894 // we changed variant when loading the engine; this forces us to reset
895 Reset(TRUE, savCps != &first);
896 oldMode = BeginningOfGame; // to prevent restoring old mode
898 InitChessProgram(savCps, FALSE);
899 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
900 DisplayMessage("", "");
901 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
902 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
905 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
909 ReplaceEngine (ChessProgramState *cps, int n)
911 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
913 if(oldMode != BeginningOfGame) EditGameEvent();
916 appData.noChessProgram = FALSE;
917 appData.clockMode = TRUE;
920 if(n) return; // only startup first engine immediately; second can wait
921 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
925 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
926 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
928 static char resetOptions[] =
929 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
930 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
931 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
932 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
935 FloatToFront(char **list, char *engineLine)
937 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
939 if(appData.recentEngines <= 0) return;
940 TidyProgramName(engineLine, "localhost", tidy+1);
941 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
942 strncpy(buf+1, *list, MSG_SIZ-50);
943 if(p = strstr(buf, tidy)) { // tidy name appears in list
944 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
945 while(*p++ = *++q); // squeeze out
947 strcat(tidy, buf+1); // put list behind tidy name
948 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
949 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
950 ASSIGN(*list, tidy+1);
953 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
956 Load (ChessProgramState *cps, int i)
958 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
959 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
960 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
961 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
962 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
963 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
964 appData.firstProtocolVersion = PROTOVER;
965 ParseArgsFromString(buf);
967 ReplaceEngine(cps, i);
968 FloatToFront(&appData.recentEngineList, engineLine);
972 while(q = strchr(p, SLASH)) p = q+1;
973 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
974 if(engineDir[0] != NULLCHAR) {
975 ASSIGN(appData.directory[i], engineDir); p = engineName;
976 } else if(p != engineName) { // derive directory from engine path, when not given
978 ASSIGN(appData.directory[i], engineName);
980 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
981 } else { ASSIGN(appData.directory[i], "."); }
982 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
984 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
985 snprintf(command, MSG_SIZ, "%s %s", p, params);
988 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
989 ASSIGN(appData.chessProgram[i], p);
990 appData.isUCI[i] = isUCI;
991 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
992 appData.hasOwnBookUCI[i] = hasBook;
993 if(!nickName[0]) useNick = FALSE;
994 if(useNick) ASSIGN(appData.pgnName[i], nickName);
998 q = firstChessProgramNames;
999 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1000 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1001 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1002 quote, p, quote, appData.directory[i],
1003 useNick ? " -fn \"" : "",
1004 useNick ? nickName : "",
1005 useNick ? "\"" : "",
1006 v1 ? " -firstProtocolVersion 1" : "",
1007 hasBook ? "" : " -fNoOwnBookUCI",
1008 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1009 storeVariant ? " -variant " : "",
1010 storeVariant ? VariantName(gameInfo.variant) : "");
1011 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1012 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1013 if(insert != q) insert[-1] = NULLCHAR;
1014 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1016 FloatToFront(&appData.recentEngineList, buf);
1018 ReplaceEngine(cps, i);
1024 int matched, min, sec;
1026 * Parse timeControl resource
1028 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1029 appData.movesPerSession)) {
1031 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1032 DisplayFatalError(buf, 0, 2);
1036 * Parse searchTime resource
1038 if (*appData.searchTime != NULLCHAR) {
1039 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1041 searchTime = min * 60;
1042 } else if (matched == 2) {
1043 searchTime = min * 60 + sec;
1046 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1047 DisplayFatalError(buf, 0, 2);
1056 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1057 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1059 GetTimeMark(&programStartTime);
1060 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1061 appData.seedBase = random() + (random()<<15);
1062 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1064 ClearProgramStats();
1065 programStats.ok_to_send = 1;
1066 programStats.seen_stat = 0;
1069 * Initialize game list
1075 * Internet chess server status
1077 if (appData.icsActive) {
1078 appData.matchMode = FALSE;
1079 appData.matchGames = 0;
1081 appData.noChessProgram = !appData.zippyPlay;
1083 appData.zippyPlay = FALSE;
1084 appData.zippyTalk = FALSE;
1085 appData.noChessProgram = TRUE;
1087 if (*appData.icsHelper != NULLCHAR) {
1088 appData.useTelnet = TRUE;
1089 appData.telnetProgram = appData.icsHelper;
1092 appData.zippyTalk = appData.zippyPlay = FALSE;
1095 /* [AS] Initialize pv info list [HGM] and game state */
1099 for( i=0; i<=framePtr; i++ ) {
1100 pvInfoList[i].depth = -1;
1101 boards[i][EP_STATUS] = EP_NONE;
1102 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1108 /* [AS] Adjudication threshold */
1109 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1111 InitEngine(&first, 0);
1112 InitEngine(&second, 1);
1115 pairing.which = "pairing"; // pairing engine
1116 pairing.pr = NoProc;
1118 pairing.program = appData.pairingEngine;
1119 pairing.host = "localhost";
1122 if (appData.icsActive) {
1123 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1124 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1125 appData.clockMode = FALSE;
1126 first.sendTime = second.sendTime = 0;
1130 /* Override some settings from environment variables, for backward
1131 compatibility. Unfortunately it's not feasible to have the env
1132 vars just set defaults, at least in xboard. Ugh.
1134 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1139 if (!appData.icsActive) {
1143 /* Check for variants that are supported only in ICS mode,
1144 or not at all. Some that are accepted here nevertheless
1145 have bugs; see comments below.
1147 VariantClass variant = StringToVariant(appData.variant);
1149 case VariantBughouse: /* need four players and two boards */
1150 case VariantKriegspiel: /* need to hide pieces and move details */
1151 /* case VariantFischeRandom: (Fabien: moved below) */
1152 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1153 if( (len >= MSG_SIZ) && appData.debugMode )
1154 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1156 DisplayFatalError(buf, 0, 2);
1159 case VariantUnknown:
1160 case VariantLoadable:
1170 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1171 if( (len >= MSG_SIZ) && appData.debugMode )
1172 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1174 DisplayFatalError(buf, 0, 2);
1177 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1178 case VariantFairy: /* [HGM] TestLegality definitely off! */
1179 case VariantGothic: /* [HGM] should work */
1180 case VariantCapablanca: /* [HGM] should work */
1181 case VariantCourier: /* [HGM] initial forced moves not implemented */
1182 case VariantShogi: /* [HGM] could still mate with pawn drop */
1183 case VariantChu: /* [HGM] experimental */
1184 case VariantKnightmate: /* [HGM] should work */
1185 case VariantCylinder: /* [HGM] untested */
1186 case VariantFalcon: /* [HGM] untested */
1187 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1188 offboard interposition not understood */
1189 case VariantNormal: /* definitely works! */
1190 case VariantWildCastle: /* pieces not automatically shuffled */
1191 case VariantNoCastle: /* pieces not automatically shuffled */
1192 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1193 case VariantLosers: /* should work except for win condition,
1194 and doesn't know captures are mandatory */
1195 case VariantSuicide: /* should work except for win condition,
1196 and doesn't know captures are mandatory */
1197 case VariantGiveaway: /* should work except for win condition,
1198 and doesn't know captures are mandatory */
1199 case VariantTwoKings: /* should work */
1200 case VariantAtomic: /* should work except for win condition */
1201 case Variant3Check: /* should work except for win condition */
1202 case VariantShatranj: /* should work except for all win conditions */
1203 case VariantMakruk: /* should work except for draw countdown */
1204 case VariantASEAN : /* should work except for draw countdown */
1205 case VariantBerolina: /* might work if TestLegality is off */
1206 case VariantCapaRandom: /* should work */
1207 case VariantJanus: /* should work */
1208 case VariantSuper: /* experimental */
1209 case VariantGreat: /* experimental, requires legality testing to be off */
1210 case VariantSChess: /* S-Chess, should work */
1211 case VariantGrand: /* should work */
1212 case VariantSpartan: /* should work */
1213 case VariantLion: /* should work */
1214 case VariantChuChess: /* should work */
1222 NextIntegerFromString (char ** str, long * value)
1227 while( *s == ' ' || *s == '\t' ) {
1233 if( *s >= '0' && *s <= '9' ) {
1234 while( *s >= '0' && *s <= '9' ) {
1235 *value = *value * 10 + (*s - '0');
1248 NextTimeControlFromString (char ** str, long * value)
1251 int result = NextIntegerFromString( str, &temp );
1254 *value = temp * 60; /* Minutes */
1255 if( **str == ':' ) {
1257 result = NextIntegerFromString( str, &temp );
1258 *value += temp; /* Seconds */
1266 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1267 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1268 int result = -1, type = 0; long temp, temp2;
1270 if(**str != ':') return -1; // old params remain in force!
1272 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1273 if( NextIntegerFromString( str, &temp ) ) return -1;
1274 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1277 /* time only: incremental or sudden-death time control */
1278 if(**str == '+') { /* increment follows; read it */
1280 if(**str == '!') type = *(*str)++; // Bronstein TC
1281 if(result = NextIntegerFromString( str, &temp2)) return -1;
1282 *inc = temp2 * 1000;
1283 if(**str == '.') { // read fraction of increment
1284 char *start = ++(*str);
1285 if(result = NextIntegerFromString( str, &temp2)) return -1;
1287 while(start++ < *str) temp2 /= 10;
1291 *moves = 0; *tc = temp * 1000; *incType = type;
1295 (*str)++; /* classical time control */
1296 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1308 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1309 { /* [HGM] get time to add from the multi-session time-control string */
1310 int incType, moves=1; /* kludge to force reading of first session */
1311 long time, increment;
1314 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1316 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1317 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1318 if(movenr == -1) return time; /* last move before new session */
1319 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1320 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1321 if(!moves) return increment; /* current session is incremental */
1322 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1323 } while(movenr >= -1); /* try again for next session */
1325 return 0; // no new time quota on this move
1329 ParseTimeControl (char *tc, float ti, int mps)
1333 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1336 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1337 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1338 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1342 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1344 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1347 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1349 snprintf(buf, MSG_SIZ, ":%s", mytc);
1351 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1353 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1358 /* Parse second time control */
1361 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1369 timeControl_2 = tc2 * 1000;
1379 timeControl = tc1 * 1000;
1382 timeIncrement = ti * 1000; /* convert to ms */
1383 movesPerSession = 0;
1386 movesPerSession = mps;
1394 if (appData.debugMode) {
1395 # ifdef __GIT_VERSION
1396 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1398 fprintf(debugFP, "Version: %s\n", programVersion);
1401 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1403 set_cont_sequence(appData.wrapContSeq);
1404 if (appData.matchGames > 0) {
1405 appData.matchMode = TRUE;
1406 } else if (appData.matchMode) {
1407 appData.matchGames = 1;
1409 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1410 appData.matchGames = appData.sameColorGames;
1411 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1412 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1413 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1416 if (appData.noChessProgram || first.protocolVersion == 1) {
1419 /* kludge: allow timeout for initial "feature" commands */
1421 DisplayMessage("", _("Starting chess program"));
1422 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1427 CalculateIndex (int index, int gameNr)
1428 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1430 if(index > 0) return index; // fixed nmber
1431 if(index == 0) return 1;
1432 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1433 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1438 LoadGameOrPosition (int gameNr)
1439 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1440 if (*appData.loadGameFile != NULLCHAR) {
1441 if (!LoadGameFromFile(appData.loadGameFile,
1442 CalculateIndex(appData.loadGameIndex, gameNr),
1443 appData.loadGameFile, FALSE)) {
1444 DisplayFatalError(_("Bad game file"), 0, 1);
1447 } else if (*appData.loadPositionFile != NULLCHAR) {
1448 if (!LoadPositionFromFile(appData.loadPositionFile,
1449 CalculateIndex(appData.loadPositionIndex, gameNr),
1450 appData.loadPositionFile)) {
1451 DisplayFatalError(_("Bad position file"), 0, 1);
1459 ReserveGame (int gameNr, char resChar)
1461 FILE *tf = fopen(appData.tourneyFile, "r+");
1462 char *p, *q, c, buf[MSG_SIZ];
1463 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1464 safeStrCpy(buf, lastMsg, MSG_SIZ);
1465 DisplayMessage(_("Pick new game"), "");
1466 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1467 ParseArgsFromFile(tf);
1468 p = q = appData.results;
1469 if(appData.debugMode) {
1470 char *r = appData.participants;
1471 fprintf(debugFP, "results = '%s'\n", p);
1472 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1473 fprintf(debugFP, "\n");
1475 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1477 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1478 safeStrCpy(q, p, strlen(p) + 2);
1479 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1480 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1481 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1482 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1485 fseek(tf, -(strlen(p)+4), SEEK_END);
1487 if(c != '"') // depending on DOS or Unix line endings we can be one off
1488 fseek(tf, -(strlen(p)+2), SEEK_END);
1489 else fseek(tf, -(strlen(p)+3), SEEK_END);
1490 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1491 DisplayMessage(buf, "");
1492 free(p); appData.results = q;
1493 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1494 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1495 int round = appData.defaultMatchGames * appData.tourneyType;
1496 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1497 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1498 UnloadEngine(&first); // next game belongs to other pairing;
1499 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1501 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1505 MatchEvent (int mode)
1506 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1508 if(matchMode) { // already in match mode: switch it off
1510 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1513 // if(gameMode != BeginningOfGame) {
1514 // DisplayError(_("You can only start a match from the initial position."), 0);
1518 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1519 /* Set up machine vs. machine match */
1521 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1522 if(appData.tourneyFile[0]) {
1524 if(nextGame > appData.matchGames) {
1526 if(strchr(appData.results, '*') == NULL) {
1528 appData.tourneyCycles++;
1529 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1531 NextTourneyGame(-1, &dummy);
1533 if(nextGame <= appData.matchGames) {
1534 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1536 ScheduleDelayedEvent(NextMatchGame, 10000);
1541 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1542 DisplayError(buf, 0);
1543 appData.tourneyFile[0] = 0;
1547 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1548 DisplayFatalError(_("Can't have a match with no chess programs"),
1553 matchGame = roundNr = 1;
1554 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1558 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1561 InitBackEnd3 P((void))
1563 GameMode initialMode;
1567 InitChessProgram(&first, startedFromSetupPosition);
1569 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1570 free(programVersion);
1571 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1572 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1573 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1576 if (appData.icsActive) {
1578 /* [DM] Make a console window if needed [HGM] merged ifs */
1584 if (*appData.icsCommPort != NULLCHAR)
1585 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1586 appData.icsCommPort);
1588 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1589 appData.icsHost, appData.icsPort);
1591 if( (len >= MSG_SIZ) && appData.debugMode )
1592 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1594 DisplayFatalError(buf, err, 1);
1599 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1601 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1602 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1603 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1604 } else if (appData.noChessProgram) {
1610 if (*appData.cmailGameName != NULLCHAR) {
1612 OpenLoopback(&cmailPR);
1614 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1618 DisplayMessage("", "");
1619 if (StrCaseCmp(appData.initialMode, "") == 0) {
1620 initialMode = BeginningOfGame;
1621 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1622 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1623 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1624 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1627 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1628 initialMode = TwoMachinesPlay;
1629 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1630 initialMode = AnalyzeFile;
1631 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1632 initialMode = AnalyzeMode;
1633 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1634 initialMode = MachinePlaysWhite;
1635 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1636 initialMode = MachinePlaysBlack;
1637 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1638 initialMode = EditGame;
1639 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1640 initialMode = EditPosition;
1641 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1642 initialMode = Training;
1644 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1645 if( (len >= MSG_SIZ) && appData.debugMode )
1646 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1648 DisplayFatalError(buf, 0, 2);
1652 if (appData.matchMode) {
1653 if(appData.tourneyFile[0]) { // start tourney from command line
1655 if(f = fopen(appData.tourneyFile, "r")) {
1656 ParseArgsFromFile(f); // make sure tourney parmeters re known
1658 appData.clockMode = TRUE;
1660 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1663 } else if (*appData.cmailGameName != NULLCHAR) {
1664 /* Set up cmail mode */
1665 ReloadCmailMsgEvent(TRUE);
1667 /* Set up other modes */
1668 if (initialMode == AnalyzeFile) {
1669 if (*appData.loadGameFile == NULLCHAR) {
1670 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1674 if (*appData.loadGameFile != NULLCHAR) {
1675 (void) LoadGameFromFile(appData.loadGameFile,
1676 appData.loadGameIndex,
1677 appData.loadGameFile, TRUE);
1678 } else if (*appData.loadPositionFile != NULLCHAR) {
1679 (void) LoadPositionFromFile(appData.loadPositionFile,
1680 appData.loadPositionIndex,
1681 appData.loadPositionFile);
1682 /* [HGM] try to make self-starting even after FEN load */
1683 /* to allow automatic setup of fairy variants with wtm */
1684 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1685 gameMode = BeginningOfGame;
1686 setboardSpoiledMachineBlack = 1;
1688 /* [HGM] loadPos: make that every new game uses the setup */
1689 /* from file as long as we do not switch variant */
1690 if(!blackPlaysFirst) {
1691 startedFromPositionFile = TRUE;
1692 CopyBoard(filePosition, boards[0]);
1695 if (initialMode == AnalyzeMode) {
1696 if (appData.noChessProgram) {
1697 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1700 if (appData.icsActive) {
1701 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1705 } else if (initialMode == AnalyzeFile) {
1706 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1707 ShowThinkingEvent();
1709 AnalysisPeriodicEvent(1);
1710 } else if (initialMode == MachinePlaysWhite) {
1711 if (appData.noChessProgram) {
1712 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1716 if (appData.icsActive) {
1717 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1721 MachineWhiteEvent();
1722 } else if (initialMode == MachinePlaysBlack) {
1723 if (appData.noChessProgram) {
1724 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1728 if (appData.icsActive) {
1729 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1733 MachineBlackEvent();
1734 } else if (initialMode == TwoMachinesPlay) {
1735 if (appData.noChessProgram) {
1736 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1740 if (appData.icsActive) {
1741 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1746 } else if (initialMode == EditGame) {
1748 } else if (initialMode == EditPosition) {
1749 EditPositionEvent();
1750 } else if (initialMode == Training) {
1751 if (*appData.loadGameFile == NULLCHAR) {
1752 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1761 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1763 DisplayBook(current+1);
1765 MoveHistorySet( movelist, first, last, current, pvInfoList );
1767 EvalGraphSet( first, last, current, pvInfoList );
1769 MakeEngineOutputTitle();
1773 * Establish will establish a contact to a remote host.port.
1774 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1775 * used to talk to the host.
1776 * Returns 0 if okay, error code if not.
1783 if (*appData.icsCommPort != NULLCHAR) {
1784 /* Talk to the host through a serial comm port */
1785 return OpenCommPort(appData.icsCommPort, &icsPR);
1787 } else if (*appData.gateway != NULLCHAR) {
1788 if (*appData.remoteShell == NULLCHAR) {
1789 /* Use the rcmd protocol to run telnet program on a gateway host */
1790 snprintf(buf, sizeof(buf), "%s %s %s",
1791 appData.telnetProgram, appData.icsHost, appData.icsPort);
1792 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1795 /* Use the rsh program to run telnet program on a gateway host */
1796 if (*appData.remoteUser == NULLCHAR) {
1797 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1798 appData.gateway, appData.telnetProgram,
1799 appData.icsHost, appData.icsPort);
1801 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1802 appData.remoteShell, appData.gateway,
1803 appData.remoteUser, appData.telnetProgram,
1804 appData.icsHost, appData.icsPort);
1806 return StartChildProcess(buf, "", &icsPR);
1809 } else if (appData.useTelnet) {
1810 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1813 /* TCP socket interface differs somewhat between
1814 Unix and NT; handle details in the front end.
1816 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1821 EscapeExpand (char *p, char *q)
1822 { // [HGM] initstring: routine to shape up string arguments
1823 while(*p++ = *q++) if(p[-1] == '\\')
1825 case 'n': p[-1] = '\n'; break;
1826 case 'r': p[-1] = '\r'; break;
1827 case 't': p[-1] = '\t'; break;
1828 case '\\': p[-1] = '\\'; break;
1829 case 0: *p = 0; return;
1830 default: p[-1] = q[-1]; break;
1835 show_bytes (FILE *fp, char *buf, int count)
1838 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1839 fprintf(fp, "\\%03o", *buf & 0xff);
1848 /* Returns an errno value */
1850 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1852 char buf[8192], *p, *q, *buflim;
1853 int left, newcount, outcount;
1855 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1856 *appData.gateway != NULLCHAR) {
1857 if (appData.debugMode) {
1858 fprintf(debugFP, ">ICS: ");
1859 show_bytes(debugFP, message, count);
1860 fprintf(debugFP, "\n");
1862 return OutputToProcess(pr, message, count, outError);
1865 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1872 if (appData.debugMode) {
1873 fprintf(debugFP, ">ICS: ");
1874 show_bytes(debugFP, buf, newcount);
1875 fprintf(debugFP, "\n");
1877 outcount = OutputToProcess(pr, buf, newcount, outError);
1878 if (outcount < newcount) return -1; /* to be sure */
1885 } else if (((unsigned char) *p) == TN_IAC) {
1886 *q++ = (char) TN_IAC;
1893 if (appData.debugMode) {
1894 fprintf(debugFP, ">ICS: ");
1895 show_bytes(debugFP, buf, newcount);
1896 fprintf(debugFP, "\n");
1898 outcount = OutputToProcess(pr, buf, newcount, outError);
1899 if (outcount < newcount) return -1; /* to be sure */
1904 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1906 int outError, outCount;
1907 static int gotEof = 0;
1910 /* Pass data read from player on to ICS */
1913 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1914 if (outCount < count) {
1915 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1917 if(have_sent_ICS_logon == 2) {
1918 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1919 fprintf(ini, "%s", message);
1920 have_sent_ICS_logon = 3;
1922 have_sent_ICS_logon = 1;
1923 } else if(have_sent_ICS_logon == 3) {
1924 fprintf(ini, "%s", message);
1926 have_sent_ICS_logon = 1;
1928 } else if (count < 0) {
1929 RemoveInputSource(isr);
1930 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1931 } else if (gotEof++ > 0) {
1932 RemoveInputSource(isr);
1933 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1939 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1940 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1941 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1942 SendToICS("date\n");
1943 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1946 /* added routine for printf style output to ics */
1948 ics_printf (char *format, ...)
1950 char buffer[MSG_SIZ];
1953 va_start(args, format);
1954 vsnprintf(buffer, sizeof(buffer), format, args);
1955 buffer[sizeof(buffer)-1] = '\0';
1963 int count, outCount, outError;
1965 if (icsPR == NoProc) return;
1968 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1969 if (outCount < count) {
1970 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1974 /* This is used for sending logon scripts to the ICS. Sending
1975 without a delay causes problems when using timestamp on ICC
1976 (at least on my machine). */
1978 SendToICSDelayed (char *s, long msdelay)
1980 int count, outCount, outError;
1982 if (icsPR == NoProc) return;
1985 if (appData.debugMode) {
1986 fprintf(debugFP, ">ICS: ");
1987 show_bytes(debugFP, s, count);
1988 fprintf(debugFP, "\n");
1990 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1992 if (outCount < count) {
1993 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1998 /* Remove all highlighting escape sequences in s
1999 Also deletes any suffix starting with '('
2002 StripHighlightAndTitle (char *s)
2004 static char retbuf[MSG_SIZ];
2007 while (*s != NULLCHAR) {
2008 while (*s == '\033') {
2009 while (*s != NULLCHAR && !isalpha(*s)) s++;
2010 if (*s != NULLCHAR) s++;
2012 while (*s != NULLCHAR && *s != '\033') {
2013 if (*s == '(' || *s == '[') {
2024 /* Remove all highlighting escape sequences in s */
2026 StripHighlight (char *s)
2028 static char retbuf[MSG_SIZ];
2031 while (*s != NULLCHAR) {
2032 while (*s == '\033') {
2033 while (*s != NULLCHAR && !isalpha(*s)) s++;
2034 if (*s != NULLCHAR) s++;
2036 while (*s != NULLCHAR && *s != '\033') {
2044 char engineVariant[MSG_SIZ];
2045 char *variantNames[] = VARIANT_NAMES;
2047 VariantName (VariantClass v)
2049 if(v == VariantUnknown || *engineVariant) return engineVariant;
2050 return variantNames[v];
2054 /* Identify a variant from the strings the chess servers use or the
2055 PGN Variant tag names we use. */
2057 StringToVariant (char *e)
2061 VariantClass v = VariantNormal;
2062 int i, found = FALSE;
2068 /* [HGM] skip over optional board-size prefixes */
2069 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2070 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2071 while( *e++ != '_');
2074 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2078 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2079 if (p = StrCaseStr(e, variantNames[i])) {
2080 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2081 v = (VariantClass) i;
2088 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2089 || StrCaseStr(e, "wild/fr")
2090 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2091 v = VariantFischeRandom;
2092 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2093 (i = 1, p = StrCaseStr(e, "w"))) {
2095 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2102 case 0: /* FICS only, actually */
2104 /* Castling legal even if K starts on d-file */
2105 v = VariantWildCastle;
2110 /* Castling illegal even if K & R happen to start in
2111 normal positions. */
2112 v = VariantNoCastle;
2125 /* Castling legal iff K & R start in normal positions */
2131 /* Special wilds for position setup; unclear what to do here */
2132 v = VariantLoadable;
2135 /* Bizarre ICC game */
2136 v = VariantTwoKings;
2139 v = VariantKriegspiel;
2145 v = VariantFischeRandom;
2148 v = VariantCrazyhouse;
2151 v = VariantBughouse;
2157 /* Not quite the same as FICS suicide! */
2158 v = VariantGiveaway;
2164 v = VariantShatranj;
2167 /* Temporary names for future ICC types. The name *will* change in
2168 the next xboard/WinBoard release after ICC defines it. */
2206 v = VariantCapablanca;
2209 v = VariantKnightmate;
2215 v = VariantCylinder;
2221 v = VariantCapaRandom;
2224 v = VariantBerolina;
2236 /* Found "wild" or "w" in the string but no number;
2237 must assume it's normal chess. */
2241 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2242 if( (len >= MSG_SIZ) && appData.debugMode )
2243 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2245 DisplayError(buf, 0);
2251 if (appData.debugMode) {
2252 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2253 e, wnum, VariantName(v));
2258 static int leftover_start = 0, leftover_len = 0;
2259 char star_match[STAR_MATCH_N][MSG_SIZ];
2261 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2262 advance *index beyond it, and set leftover_start to the new value of
2263 *index; else return FALSE. If pattern contains the character '*', it
2264 matches any sequence of characters not containing '\r', '\n', or the
2265 character following the '*' (if any), and the matched sequence(s) are
2266 copied into star_match.
2269 looking_at ( char *buf, int *index, char *pattern)
2271 char *bufp = &buf[*index], *patternp = pattern;
2273 char *matchp = star_match[0];
2276 if (*patternp == NULLCHAR) {
2277 *index = leftover_start = bufp - buf;
2281 if (*bufp == NULLCHAR) return FALSE;
2282 if (*patternp == '*') {
2283 if (*bufp == *(patternp + 1)) {
2285 matchp = star_match[++star_count];
2289 } else if (*bufp == '\n' || *bufp == '\r') {
2291 if (*patternp == NULLCHAR)
2296 *matchp++ = *bufp++;
2300 if (*patternp != *bufp) return FALSE;
2307 SendToPlayer (char *data, int length)
2309 int error, outCount;
2310 outCount = OutputToProcess(NoProc, data, length, &error);
2311 if (outCount < length) {
2312 DisplayFatalError(_("Error writing to display"), error, 1);
2317 PackHolding (char packed[], char *holding)
2327 switch (runlength) {
2338 sprintf(q, "%d", runlength);
2350 /* Telnet protocol requests from the front end */
2352 TelnetRequest (unsigned char ddww, unsigned char option)
2354 unsigned char msg[3];
2355 int outCount, outError;
2357 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2359 if (appData.debugMode) {
2360 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2376 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2385 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2388 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2393 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2395 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2402 if (!appData.icsActive) return;
2403 TelnetRequest(TN_DO, TN_ECHO);
2409 if (!appData.icsActive) return;
2410 TelnetRequest(TN_DONT, TN_ECHO);
2414 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2416 /* put the holdings sent to us by the server on the board holdings area */
2417 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2421 if(gameInfo.holdingsWidth < 2) return;
2422 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2423 return; // prevent overwriting by pre-board holdings
2425 if( (int)lowestPiece >= BlackPawn ) {
2428 holdingsStartRow = BOARD_HEIGHT-1;
2431 holdingsColumn = BOARD_WIDTH-1;
2432 countsColumn = BOARD_WIDTH-2;
2433 holdingsStartRow = 0;
2437 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2438 board[i][holdingsColumn] = EmptySquare;
2439 board[i][countsColumn] = (ChessSquare) 0;
2441 while( (p=*holdings++) != NULLCHAR ) {
2442 piece = CharToPiece( ToUpper(p) );
2443 if(piece == EmptySquare) continue;
2444 /*j = (int) piece - (int) WhitePawn;*/
2445 j = PieceToNumber(piece);
2446 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2447 if(j < 0) continue; /* should not happen */
2448 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2449 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2450 board[holdingsStartRow+j*direction][countsColumn]++;
2456 VariantSwitch (Board board, VariantClass newVariant)
2458 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2459 static Board oldBoard;
2461 startedFromPositionFile = FALSE;
2462 if(gameInfo.variant == newVariant) return;
2464 /* [HGM] This routine is called each time an assignment is made to
2465 * gameInfo.variant during a game, to make sure the board sizes
2466 * are set to match the new variant. If that means adding or deleting
2467 * holdings, we shift the playing board accordingly
2468 * This kludge is needed because in ICS observe mode, we get boards
2469 * of an ongoing game without knowing the variant, and learn about the
2470 * latter only later. This can be because of the move list we requested,
2471 * in which case the game history is refilled from the beginning anyway,
2472 * but also when receiving holdings of a crazyhouse game. In the latter
2473 * case we want to add those holdings to the already received position.
2477 if (appData.debugMode) {
2478 fprintf(debugFP, "Switch board from %s to %s\n",
2479 VariantName(gameInfo.variant), VariantName(newVariant));
2480 setbuf(debugFP, NULL);
2482 shuffleOpenings = 0; /* [HGM] shuffle */
2483 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2487 newWidth = 9; newHeight = 9;
2488 gameInfo.holdingsSize = 7;
2489 case VariantBughouse:
2490 case VariantCrazyhouse:
2491 newHoldingsWidth = 2; break;
2495 newHoldingsWidth = 2;
2496 gameInfo.holdingsSize = 8;
2499 case VariantCapablanca:
2500 case VariantCapaRandom:
2503 newHoldingsWidth = gameInfo.holdingsSize = 0;
2506 if(newWidth != gameInfo.boardWidth ||
2507 newHeight != gameInfo.boardHeight ||
2508 newHoldingsWidth != gameInfo.holdingsWidth ) {
2510 /* shift position to new playing area, if needed */
2511 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2512 for(i=0; i<BOARD_HEIGHT; i++)
2513 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2514 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2516 for(i=0; i<newHeight; i++) {
2517 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2518 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2520 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2521 for(i=0; i<BOARD_HEIGHT; i++)
2522 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2523 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2526 board[HOLDINGS_SET] = 0;
2527 gameInfo.boardWidth = newWidth;
2528 gameInfo.boardHeight = newHeight;
2529 gameInfo.holdingsWidth = newHoldingsWidth;
2530 gameInfo.variant = newVariant;
2531 InitDrawingSizes(-2, 0);
2532 } else gameInfo.variant = newVariant;
2533 CopyBoard(oldBoard, board); // remember correctly formatted board
2534 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2535 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2538 static int loggedOn = FALSE;
2540 /*-- Game start info cache: --*/
2542 char gs_kind[MSG_SIZ];
2543 static char player1Name[128] = "";
2544 static char player2Name[128] = "";
2545 static char cont_seq[] = "\n\\ ";
2546 static int player1Rating = -1;
2547 static int player2Rating = -1;
2548 /*----------------------------*/
2550 ColorClass curColor = ColorNormal;
2551 int suppressKibitz = 0;
2554 Boolean soughtPending = FALSE;
2555 Boolean seekGraphUp;
2556 #define MAX_SEEK_ADS 200
2558 char *seekAdList[MAX_SEEK_ADS];
2559 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2560 float tcList[MAX_SEEK_ADS];
2561 char colorList[MAX_SEEK_ADS];
2562 int nrOfSeekAds = 0;
2563 int minRating = 1010, maxRating = 2800;
2564 int hMargin = 10, vMargin = 20, h, w;
2565 extern int squareSize, lineGap;
2570 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2571 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2572 if(r < minRating+100 && r >=0 ) r = minRating+100;
2573 if(r > maxRating) r = maxRating;
2574 if(tc < 1.f) tc = 1.f;
2575 if(tc > 95.f) tc = 95.f;
2576 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2577 y = ((double)r - minRating)/(maxRating - minRating)
2578 * (h-vMargin-squareSize/8-1) + vMargin;
2579 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2580 if(strstr(seekAdList[i], " u ")) color = 1;
2581 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2582 !strstr(seekAdList[i], "bullet") &&
2583 !strstr(seekAdList[i], "blitz") &&
2584 !strstr(seekAdList[i], "standard") ) color = 2;
2585 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2586 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2590 PlotSingleSeekAd (int i)
2596 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2598 char buf[MSG_SIZ], *ext = "";
2599 VariantClass v = StringToVariant(type);
2600 if(strstr(type, "wild")) {
2601 ext = type + 4; // append wild number
2602 if(v == VariantFischeRandom) type = "chess960"; else
2603 if(v == VariantLoadable) type = "setup"; else
2604 type = VariantName(v);
2606 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2607 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2608 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2609 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2610 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2611 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2612 seekNrList[nrOfSeekAds] = nr;
2613 zList[nrOfSeekAds] = 0;
2614 seekAdList[nrOfSeekAds++] = StrSave(buf);
2615 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2620 EraseSeekDot (int i)
2622 int x = xList[i], y = yList[i], d=squareSize/4, k;
2623 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2624 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2625 // now replot every dot that overlapped
2626 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2627 int xx = xList[k], yy = yList[k];
2628 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2629 DrawSeekDot(xx, yy, colorList[k]);
2634 RemoveSeekAd (int nr)
2637 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2639 if(seekAdList[i]) free(seekAdList[i]);
2640 seekAdList[i] = seekAdList[--nrOfSeekAds];
2641 seekNrList[i] = seekNrList[nrOfSeekAds];
2642 ratingList[i] = ratingList[nrOfSeekAds];
2643 colorList[i] = colorList[nrOfSeekAds];
2644 tcList[i] = tcList[nrOfSeekAds];
2645 xList[i] = xList[nrOfSeekAds];
2646 yList[i] = yList[nrOfSeekAds];
2647 zList[i] = zList[nrOfSeekAds];
2648 seekAdList[nrOfSeekAds] = NULL;
2654 MatchSoughtLine (char *line)
2656 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2657 int nr, base, inc, u=0; char dummy;
2659 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2660 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2662 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2663 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2664 // match: compact and save the line
2665 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2675 if(!seekGraphUp) return FALSE;
2676 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2677 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2679 DrawSeekBackground(0, 0, w, h);
2680 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2681 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2682 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2683 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2685 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2688 snprintf(buf, MSG_SIZ, "%d", i);
2689 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2692 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2693 for(i=1; i<100; i+=(i<10?1:5)) {
2694 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2695 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2696 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2698 snprintf(buf, MSG_SIZ, "%d", i);
2699 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2702 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2707 SeekGraphClick (ClickType click, int x, int y, int moving)
2709 static int lastDown = 0, displayed = 0, lastSecond;
2710 if(y < 0) return FALSE;
2711 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2712 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2713 if(!seekGraphUp) return FALSE;
2714 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2715 DrawPosition(TRUE, NULL);
2718 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2719 if(click == Release || moving) return FALSE;
2721 soughtPending = TRUE;
2722 SendToICS(ics_prefix);
2723 SendToICS("sought\n"); // should this be "sought all"?
2724 } else { // issue challenge based on clicked ad
2725 int dist = 10000; int i, closest = 0, second = 0;
2726 for(i=0; i<nrOfSeekAds; i++) {
2727 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2728 if(d < dist) { dist = d; closest = i; }
2729 second += (d - zList[i] < 120); // count in-range ads
2730 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2734 second = (second > 1);
2735 if(displayed != closest || second != lastSecond) {
2736 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2737 lastSecond = second; displayed = closest;
2739 if(click == Press) {
2740 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2743 } // on press 'hit', only show info
2744 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2745 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2746 SendToICS(ics_prefix);
2748 return TRUE; // let incoming board of started game pop down the graph
2749 } else if(click == Release) { // release 'miss' is ignored
2750 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2751 if(moving == 2) { // right up-click
2752 nrOfSeekAds = 0; // refresh graph
2753 soughtPending = TRUE;
2754 SendToICS(ics_prefix);
2755 SendToICS("sought\n"); // should this be "sought all"?
2758 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2759 // press miss or release hit 'pop down' seek graph
2760 seekGraphUp = FALSE;
2761 DrawPosition(TRUE, NULL);
2767 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2769 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2770 #define STARTED_NONE 0
2771 #define STARTED_MOVES 1
2772 #define STARTED_BOARD 2
2773 #define STARTED_OBSERVE 3
2774 #define STARTED_HOLDINGS 4
2775 #define STARTED_CHATTER 5
2776 #define STARTED_COMMENT 6
2777 #define STARTED_MOVES_NOHIDE 7
2779 static int started = STARTED_NONE;
2780 static char parse[20000];
2781 static int parse_pos = 0;
2782 static char buf[BUF_SIZE + 1];
2783 static int firstTime = TRUE, intfSet = FALSE;
2784 static ColorClass prevColor = ColorNormal;
2785 static int savingComment = FALSE;
2786 static int cmatch = 0; // continuation sequence match
2793 int backup; /* [DM] For zippy color lines */
2795 char talker[MSG_SIZ]; // [HGM] chat
2798 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2800 if (appData.debugMode) {
2802 fprintf(debugFP, "<ICS: ");
2803 show_bytes(debugFP, data, count);
2804 fprintf(debugFP, "\n");
2808 if (appData.debugMode) { int f = forwardMostMove;
2809 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2810 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2811 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2814 /* If last read ended with a partial line that we couldn't parse,
2815 prepend it to the new read and try again. */
2816 if (leftover_len > 0) {
2817 for (i=0; i<leftover_len; i++)
2818 buf[i] = buf[leftover_start + i];
2821 /* copy new characters into the buffer */
2822 bp = buf + leftover_len;
2823 buf_len=leftover_len;
2824 for (i=0; i<count; i++)
2827 if (data[i] == '\r')
2830 // join lines split by ICS?
2831 if (!appData.noJoin)
2834 Joining just consists of finding matches against the
2835 continuation sequence, and discarding that sequence
2836 if found instead of copying it. So, until a match
2837 fails, there's nothing to do since it might be the
2838 complete sequence, and thus, something we don't want
2841 if (data[i] == cont_seq[cmatch])
2844 if (cmatch == strlen(cont_seq))
2846 cmatch = 0; // complete match. just reset the counter
2849 it's possible for the ICS to not include the space
2850 at the end of the last word, making our [correct]
2851 join operation fuse two separate words. the server
2852 does this when the space occurs at the width setting.
2854 if (!buf_len || buf[buf_len-1] != ' ')
2865 match failed, so we have to copy what matched before
2866 falling through and copying this character. In reality,
2867 this will only ever be just the newline character, but
2868 it doesn't hurt to be precise.
2870 strncpy(bp, cont_seq, cmatch);
2882 buf[buf_len] = NULLCHAR;
2883 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2888 while (i < buf_len) {
2889 /* Deal with part of the TELNET option negotiation
2890 protocol. We refuse to do anything beyond the
2891 defaults, except that we allow the WILL ECHO option,
2892 which ICS uses to turn off password echoing when we are
2893 directly connected to it. We reject this option
2894 if localLineEditing mode is on (always on in xboard)
2895 and we are talking to port 23, which might be a real
2896 telnet server that will try to keep WILL ECHO on permanently.
2898 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2899 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2900 unsigned char option;
2902 switch ((unsigned char) buf[++i]) {
2904 if (appData.debugMode)
2905 fprintf(debugFP, "\n<WILL ");
2906 switch (option = (unsigned char) buf[++i]) {
2908 if (appData.debugMode)
2909 fprintf(debugFP, "ECHO ");
2910 /* Reply only if this is a change, according
2911 to the protocol rules. */
2912 if (remoteEchoOption) break;
2913 if (appData.localLineEditing &&
2914 atoi(appData.icsPort) == TN_PORT) {
2915 TelnetRequest(TN_DONT, TN_ECHO);
2918 TelnetRequest(TN_DO, TN_ECHO);
2919 remoteEchoOption = TRUE;
2923 if (appData.debugMode)
2924 fprintf(debugFP, "%d ", option);
2925 /* Whatever this is, we don't want it. */
2926 TelnetRequest(TN_DONT, option);
2931 if (appData.debugMode)
2932 fprintf(debugFP, "\n<WONT ");
2933 switch (option = (unsigned char) buf[++i]) {
2935 if (appData.debugMode)
2936 fprintf(debugFP, "ECHO ");
2937 /* Reply only if this is a change, according
2938 to the protocol rules. */
2939 if (!remoteEchoOption) break;
2941 TelnetRequest(TN_DONT, TN_ECHO);
2942 remoteEchoOption = FALSE;
2945 if (appData.debugMode)
2946 fprintf(debugFP, "%d ", (unsigned char) option);
2947 /* Whatever this is, it must already be turned
2948 off, because we never agree to turn on
2949 anything non-default, so according to the
2950 protocol rules, we don't reply. */
2955 if (appData.debugMode)
2956 fprintf(debugFP, "\n<DO ");
2957 switch (option = (unsigned char) buf[++i]) {
2959 /* Whatever this is, we refuse to do it. */
2960 if (appData.debugMode)
2961 fprintf(debugFP, "%d ", option);
2962 TelnetRequest(TN_WONT, option);
2967 if (appData.debugMode)
2968 fprintf(debugFP, "\n<DONT ");
2969 switch (option = (unsigned char) buf[++i]) {
2971 if (appData.debugMode)
2972 fprintf(debugFP, "%d ", option);
2973 /* Whatever this is, we are already not doing
2974 it, because we never agree to do anything
2975 non-default, so according to the protocol
2976 rules, we don't reply. */
2981 if (appData.debugMode)
2982 fprintf(debugFP, "\n<IAC ");
2983 /* Doubled IAC; pass it through */
2987 if (appData.debugMode)
2988 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2989 /* Drop all other telnet commands on the floor */
2992 if (oldi > next_out)
2993 SendToPlayer(&buf[next_out], oldi - next_out);
2999 /* OK, this at least will *usually* work */
3000 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3004 if (loggedOn && !intfSet) {
3005 if (ics_type == ICS_ICC) {
3006 snprintf(str, MSG_SIZ,
3007 "/set-quietly interface %s\n/set-quietly style 12\n",
3009 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3010 strcat(str, "/set-2 51 1\n/set seek 1\n");
3011 } else if (ics_type == ICS_CHESSNET) {
3012 snprintf(str, MSG_SIZ, "/style 12\n");
3014 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3015 strcat(str, programVersion);
3016 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3017 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3018 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3020 strcat(str, "$iset nohighlight 1\n");
3022 strcat(str, "$iset lock 1\n$style 12\n");
3025 NotifyFrontendLogin();
3029 if (started == STARTED_COMMENT) {
3030 /* Accumulate characters in comment */
3031 parse[parse_pos++] = buf[i];
3032 if (buf[i] == '\n') {
3033 parse[parse_pos] = NULLCHAR;
3034 if(chattingPartner>=0) {
3036 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3037 OutputChatMessage(chattingPartner, mess);
3038 chattingPartner = -1;
3039 next_out = i+1; // [HGM] suppress printing in ICS window
3041 if(!suppressKibitz) // [HGM] kibitz
3042 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3043 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3044 int nrDigit = 0, nrAlph = 0, j;
3045 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3046 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3047 parse[parse_pos] = NULLCHAR;
3048 // try to be smart: if it does not look like search info, it should go to
3049 // ICS interaction window after all, not to engine-output window.
3050 for(j=0; j<parse_pos; j++) { // count letters and digits
3051 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3052 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3053 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3055 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3056 int depth=0; float score;
3057 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3058 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3059 pvInfoList[forwardMostMove-1].depth = depth;
3060 pvInfoList[forwardMostMove-1].score = 100*score;
3062 OutputKibitz(suppressKibitz, parse);
3065 if(gameMode == IcsObserving) // restore original ICS messages
3066 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3067 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3069 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3070 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3071 SendToPlayer(tmp, strlen(tmp));
3073 next_out = i+1; // [HGM] suppress printing in ICS window
3075 started = STARTED_NONE;
3077 /* Don't match patterns against characters in comment */
3082 if (started == STARTED_CHATTER) {
3083 if (buf[i] != '\n') {
3084 /* Don't match patterns against characters in chatter */
3088 started = STARTED_NONE;
3089 if(suppressKibitz) next_out = i+1;
3092 /* Kludge to deal with rcmd protocol */
3093 if (firstTime && looking_at(buf, &i, "\001*")) {
3094 DisplayFatalError(&buf[1], 0, 1);
3100 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3103 if (appData.debugMode)
3104 fprintf(debugFP, "ics_type %d\n", ics_type);
3107 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3108 ics_type = ICS_FICS;
3110 if (appData.debugMode)
3111 fprintf(debugFP, "ics_type %d\n", ics_type);
3114 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3115 ics_type = ICS_CHESSNET;
3117 if (appData.debugMode)
3118 fprintf(debugFP, "ics_type %d\n", ics_type);
3123 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3124 looking_at(buf, &i, "Logging you in as \"*\"") ||
3125 looking_at(buf, &i, "will be \"*\""))) {
3126 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3130 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3132 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3133 DisplayIcsInteractionTitle(buf);
3134 have_set_title = TRUE;
3137 /* skip finger notes */
3138 if (started == STARTED_NONE &&
3139 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3140 (buf[i] == '1' && buf[i+1] == '0')) &&
3141 buf[i+2] == ':' && buf[i+3] == ' ') {
3142 started = STARTED_CHATTER;
3148 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3149 if(appData.seekGraph) {
3150 if(soughtPending && MatchSoughtLine(buf+i)) {
3151 i = strstr(buf+i, "rated") - buf;
3152 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3153 next_out = leftover_start = i;
3154 started = STARTED_CHATTER;
3155 suppressKibitz = TRUE;
3158 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3159 && looking_at(buf, &i, "* ads displayed")) {
3160 soughtPending = FALSE;
3165 if(appData.autoRefresh) {
3166 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3167 int s = (ics_type == ICS_ICC); // ICC format differs
3169 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3170 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3171 looking_at(buf, &i, "*% "); // eat prompt
3172 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3173 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3174 next_out = i; // suppress
3177 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3178 char *p = star_match[0];
3180 if(seekGraphUp) RemoveSeekAd(atoi(p));
3181 while(*p && *p++ != ' '); // next
3183 looking_at(buf, &i, "*% "); // eat prompt
3184 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3191 /* skip formula vars */
3192 if (started == STARTED_NONE &&
3193 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3194 started = STARTED_CHATTER;
3199 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3200 if (appData.autoKibitz && started == STARTED_NONE &&
3201 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3202 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3203 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3204 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3205 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3206 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3207 suppressKibitz = TRUE;
3208 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3210 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3211 && (gameMode == IcsPlayingWhite)) ||
3212 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3213 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3214 started = STARTED_CHATTER; // own kibitz we simply discard
3216 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3217 parse_pos = 0; parse[0] = NULLCHAR;
3218 savingComment = TRUE;
3219 suppressKibitz = gameMode != IcsObserving ? 2 :
3220 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3224 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3225 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3226 && atoi(star_match[0])) {
3227 // suppress the acknowledgements of our own autoKibitz
3229 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3230 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3231 SendToPlayer(star_match[0], strlen(star_match[0]));
3232 if(looking_at(buf, &i, "*% ")) // eat prompt
3233 suppressKibitz = FALSE;
3237 } // [HGM] kibitz: end of patch
3239 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3241 // [HGM] chat: intercept tells by users for which we have an open chat window
3243 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3244 looking_at(buf, &i, "* whispers:") ||
3245 looking_at(buf, &i, "* kibitzes:") ||
3246 looking_at(buf, &i, "* shouts:") ||
3247 looking_at(buf, &i, "* c-shouts:") ||
3248 looking_at(buf, &i, "--> * ") ||
3249 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3250 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3251 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3252 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3254 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3255 chattingPartner = -1;
3257 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3258 for(p=0; p<MAX_CHAT; p++) {
3259 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3260 talker[0] = '['; strcat(talker, "] ");
3261 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3262 chattingPartner = p; break;
3265 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3266 for(p=0; p<MAX_CHAT; p++) {
3267 if(!strcmp("kibitzes", chatPartner[p])) {
3268 talker[0] = '['; strcat(talker, "] ");
3269 chattingPartner = p; break;
3272 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3273 for(p=0; p<MAX_CHAT; p++) {
3274 if(!strcmp("whispers", chatPartner[p])) {
3275 talker[0] = '['; strcat(talker, "] ");
3276 chattingPartner = p; break;
3279 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3280 if(buf[i-8] == '-' && buf[i-3] == 't')
3281 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3282 if(!strcmp("c-shouts", chatPartner[p])) {
3283 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3284 chattingPartner = p; break;
3287 if(chattingPartner < 0)
3288 for(p=0; p<MAX_CHAT; p++) {
3289 if(!strcmp("shouts", chatPartner[p])) {
3290 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3291 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3292 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3293 chattingPartner = p; break;
3297 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3298 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3299 talker[0] = 0; Colorize(ColorTell, FALSE);
3300 chattingPartner = p; break;
3302 if(chattingPartner<0) i = oldi; else {
3303 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3304 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3305 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3306 started = STARTED_COMMENT;
3307 parse_pos = 0; parse[0] = NULLCHAR;
3308 savingComment = 3 + chattingPartner; // counts as TRUE
3309 suppressKibitz = TRUE;
3312 } // [HGM] chat: end of patch
3315 if (appData.zippyTalk || appData.zippyPlay) {
3316 /* [DM] Backup address for color zippy lines */
3318 if (loggedOn == TRUE)
3319 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3320 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3322 } // [DM] 'else { ' deleted
3324 /* Regular tells and says */
3325 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3326 looking_at(buf, &i, "* (your partner) tells you: ") ||
3327 looking_at(buf, &i, "* says: ") ||
3328 /* Don't color "message" or "messages" output */
3329 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3330 looking_at(buf, &i, "*. * at *:*: ") ||
3331 looking_at(buf, &i, "--* (*:*): ") ||
3332 /* Message notifications (same color as tells) */
3333 looking_at(buf, &i, "* has left a message ") ||
3334 looking_at(buf, &i, "* just sent you a message:\n") ||
3335 /* Whispers and kibitzes */
3336 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3337 looking_at(buf, &i, "* kibitzes: ") ||
3339 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3341 if (tkind == 1 && strchr(star_match[0], ':')) {
3342 /* Avoid "tells you:" spoofs in channels */
3345 if (star_match[0][0] == NULLCHAR ||
3346 strchr(star_match[0], ' ') ||
3347 (tkind == 3 && strchr(star_match[1], ' '))) {
3348 /* Reject bogus matches */
3351 if (appData.colorize) {
3352 if (oldi > next_out) {
3353 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorTell, FALSE);
3359 curColor = ColorTell;
3362 Colorize(ColorKibitz, FALSE);
3363 curColor = ColorKibitz;
3366 p = strrchr(star_match[1], '(');
3373 Colorize(ColorChannel1, FALSE);
3374 curColor = ColorChannel1;
3376 Colorize(ColorChannel, FALSE);
3377 curColor = ColorChannel;
3381 curColor = ColorNormal;
3385 if (started == STARTED_NONE && appData.autoComment &&
3386 (gameMode == IcsObserving ||
3387 gameMode == IcsPlayingWhite ||
3388 gameMode == IcsPlayingBlack)) {
3389 parse_pos = i - oldi;
3390 memcpy(parse, &buf[oldi], parse_pos);
3391 parse[parse_pos] = NULLCHAR;
3392 started = STARTED_COMMENT;
3393 savingComment = TRUE;
3395 started = STARTED_CHATTER;
3396 savingComment = FALSE;
3403 if (looking_at(buf, &i, "* s-shouts: ") ||
3404 looking_at(buf, &i, "* c-shouts: ")) {
3405 if (appData.colorize) {
3406 if (oldi > next_out) {
3407 SendToPlayer(&buf[next_out], oldi - next_out);
3410 Colorize(ColorSShout, FALSE);
3411 curColor = ColorSShout;
3414 started = STARTED_CHATTER;
3418 if (looking_at(buf, &i, "--->")) {
3423 if (looking_at(buf, &i, "* shouts: ") ||
3424 looking_at(buf, &i, "--> ")) {
3425 if (appData.colorize) {
3426 if (oldi > next_out) {
3427 SendToPlayer(&buf[next_out], oldi - next_out);
3430 Colorize(ColorShout, FALSE);
3431 curColor = ColorShout;
3434 started = STARTED_CHATTER;
3438 if (looking_at( buf, &i, "Challenge:")) {
3439 if (appData.colorize) {
3440 if (oldi > next_out) {
3441 SendToPlayer(&buf[next_out], oldi - next_out);
3444 Colorize(ColorChallenge, FALSE);
3445 curColor = ColorChallenge;
3451 if (looking_at(buf, &i, "* offers you") ||
3452 looking_at(buf, &i, "* offers to be") ||
3453 looking_at(buf, &i, "* would like to") ||
3454 looking_at(buf, &i, "* requests to") ||
3455 looking_at(buf, &i, "Your opponent offers") ||
3456 looking_at(buf, &i, "Your opponent requests")) {
3458 if (appData.colorize) {
3459 if (oldi > next_out) {
3460 SendToPlayer(&buf[next_out], oldi - next_out);
3463 Colorize(ColorRequest, FALSE);
3464 curColor = ColorRequest;
3469 if (looking_at(buf, &i, "* (*) seeking")) {
3470 if (appData.colorize) {
3471 if (oldi > next_out) {
3472 SendToPlayer(&buf[next_out], oldi - next_out);
3475 Colorize(ColorSeek, FALSE);
3476 curColor = ColorSeek;
3481 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3483 if (looking_at(buf, &i, "\\ ")) {
3484 if (prevColor != ColorNormal) {
3485 if (oldi > next_out) {
3486 SendToPlayer(&buf[next_out], oldi - next_out);
3489 Colorize(prevColor, TRUE);
3490 curColor = prevColor;
3492 if (savingComment) {
3493 parse_pos = i - oldi;
3494 memcpy(parse, &buf[oldi], parse_pos);
3495 parse[parse_pos] = NULLCHAR;
3496 started = STARTED_COMMENT;
3497 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3498 chattingPartner = savingComment - 3; // kludge to remember the box
3500 started = STARTED_CHATTER;
3505 if (looking_at(buf, &i, "Black Strength :") ||
3506 looking_at(buf, &i, "<<< style 10 board >>>") ||
3507 looking_at(buf, &i, "<10>") ||
3508 looking_at(buf, &i, "#@#")) {
3509 /* Wrong board style */
3511 SendToICS(ics_prefix);
3512 SendToICS("set style 12\n");
3513 SendToICS(ics_prefix);
3514 SendToICS("refresh\n");
3518 if (looking_at(buf, &i, "login:")) {
3519 if (!have_sent_ICS_logon) {
3521 have_sent_ICS_logon = 1;
3522 else // no init script was found
3523 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3524 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3525 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3530 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3531 (looking_at(buf, &i, "\n<12> ") ||
3532 looking_at(buf, &i, "<12> "))) {
3534 if (oldi > next_out) {
3535 SendToPlayer(&buf[next_out], oldi - next_out);
3538 started = STARTED_BOARD;
3543 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3544 looking_at(buf, &i, "<b1> ")) {
3545 if (oldi > next_out) {
3546 SendToPlayer(&buf[next_out], oldi - next_out);
3549 started = STARTED_HOLDINGS;
3554 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3556 /* Header for a move list -- first line */
3558 switch (ics_getting_history) {
3562 case BeginningOfGame:
3563 /* User typed "moves" or "oldmoves" while we
3564 were idle. Pretend we asked for these
3565 moves and soak them up so user can step
3566 through them and/or save them.
3569 gameMode = IcsObserving;
3572 ics_getting_history = H_GOT_UNREQ_HEADER;
3574 case EditGame: /*?*/
3575 case EditPosition: /*?*/
3576 /* Should above feature work in these modes too? */
3577 /* For now it doesn't */
3578 ics_getting_history = H_GOT_UNWANTED_HEADER;
3581 ics_getting_history = H_GOT_UNWANTED_HEADER;
3586 /* Is this the right one? */
3587 if (gameInfo.white && gameInfo.black &&
3588 strcmp(gameInfo.white, star_match[0]) == 0 &&
3589 strcmp(gameInfo.black, star_match[2]) == 0) {
3591 ics_getting_history = H_GOT_REQ_HEADER;
3594 case H_GOT_REQ_HEADER:
3595 case H_GOT_UNREQ_HEADER:
3596 case H_GOT_UNWANTED_HEADER:
3597 case H_GETTING_MOVES:
3598 /* Should not happen */
3599 DisplayError(_("Error gathering move list: two headers"), 0);
3600 ics_getting_history = H_FALSE;
3604 /* Save player ratings into gameInfo if needed */
3605 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3606 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3607 (gameInfo.whiteRating == -1 ||
3608 gameInfo.blackRating == -1)) {
3610 gameInfo.whiteRating = string_to_rating(star_match[1]);
3611 gameInfo.blackRating = string_to_rating(star_match[3]);
3612 if (appData.debugMode)
3613 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3614 gameInfo.whiteRating, gameInfo.blackRating);
3619 if (looking_at(buf, &i,
3620 "* * match, initial time: * minute*, increment: * second")) {
3621 /* Header for a move list -- second line */
3622 /* Initial board will follow if this is a wild game */
3623 if (gameInfo.event != NULL) free(gameInfo.event);
3624 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3625 gameInfo.event = StrSave(str);
3626 /* [HGM] we switched variant. Translate boards if needed. */
3627 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3631 if (looking_at(buf, &i, "Move ")) {
3632 /* Beginning of a move list */
3633 switch (ics_getting_history) {
3635 /* Normally should not happen */
3636 /* Maybe user hit reset while we were parsing */
3639 /* Happens if we are ignoring a move list that is not
3640 * the one we just requested. Common if the user
3641 * tries to observe two games without turning off
3644 case H_GETTING_MOVES:
3645 /* Should not happen */
3646 DisplayError(_("Error gathering move list: nested"), 0);
3647 ics_getting_history = H_FALSE;
3649 case H_GOT_REQ_HEADER:
3650 ics_getting_history = H_GETTING_MOVES;
3651 started = STARTED_MOVES;
3653 if (oldi > next_out) {
3654 SendToPlayer(&buf[next_out], oldi - next_out);
3657 case H_GOT_UNREQ_HEADER:
3658 ics_getting_history = H_GETTING_MOVES;
3659 started = STARTED_MOVES_NOHIDE;
3662 case H_GOT_UNWANTED_HEADER:
3663 ics_getting_history = H_FALSE;
3669 if (looking_at(buf, &i, "% ") ||
3670 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3671 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3672 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3673 soughtPending = FALSE;
3677 if(suppressKibitz) next_out = i;
3678 savingComment = FALSE;
3682 case STARTED_MOVES_NOHIDE:
3683 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3684 parse[parse_pos + i - oldi] = NULLCHAR;
3685 ParseGameHistory(parse);
3687 if (appData.zippyPlay && first.initDone) {
3688 FeedMovesToProgram(&first, forwardMostMove);
3689 if (gameMode == IcsPlayingWhite) {
3690 if (WhiteOnMove(forwardMostMove)) {
3691 if (first.sendTime) {
3692 if (first.useColors) {
3693 SendToProgram("black\n", &first);
3695 SendTimeRemaining(&first, TRUE);
3697 if (first.useColors) {
3698 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3700 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3701 first.maybeThinking = TRUE;
3703 if (first.usePlayother) {
3704 if (first.sendTime) {
3705 SendTimeRemaining(&first, TRUE);
3707 SendToProgram("playother\n", &first);
3713 } else if (gameMode == IcsPlayingBlack) {
3714 if (!WhiteOnMove(forwardMostMove)) {
3715 if (first.sendTime) {
3716 if (first.useColors) {
3717 SendToProgram("white\n", &first);
3719 SendTimeRemaining(&first, FALSE);
3721 if (first.useColors) {
3722 SendToProgram("black\n", &first);
3724 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3725 first.maybeThinking = TRUE;
3727 if (first.usePlayother) {
3728 if (first.sendTime) {
3729 SendTimeRemaining(&first, FALSE);
3731 SendToProgram("playother\n", &first);
3740 if (gameMode == IcsObserving && ics_gamenum == -1) {
3741 /* Moves came from oldmoves or moves command
3742 while we weren't doing anything else.
3744 currentMove = forwardMostMove;
3745 ClearHighlights();/*!!could figure this out*/
3746 flipView = appData.flipView;
3747 DrawPosition(TRUE, boards[currentMove]);
3748 DisplayBothClocks();
3749 snprintf(str, MSG_SIZ, "%s %s %s",
3750 gameInfo.white, _("vs."), gameInfo.black);
3754 /* Moves were history of an active game */
3755 if (gameInfo.resultDetails != NULL) {
3756 free(gameInfo.resultDetails);
3757 gameInfo.resultDetails = NULL;
3760 HistorySet(parseList, backwardMostMove,
3761 forwardMostMove, currentMove-1);
3762 DisplayMove(currentMove - 1);
3763 if (started == STARTED_MOVES) next_out = i;
3764 started = STARTED_NONE;
3765 ics_getting_history = H_FALSE;
3768 case STARTED_OBSERVE:
3769 started = STARTED_NONE;
3770 SendToICS(ics_prefix);
3771 SendToICS("refresh\n");
3777 if(bookHit) { // [HGM] book: simulate book reply
3778 static char bookMove[MSG_SIZ]; // a bit generous?
3780 programStats.nodes = programStats.depth = programStats.time =
3781 programStats.score = programStats.got_only_move = 0;
3782 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3784 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3785 strcat(bookMove, bookHit);
3786 HandleMachineMove(bookMove, &first);
3791 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3792 started == STARTED_HOLDINGS ||
3793 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3794 /* Accumulate characters in move list or board */
3795 parse[parse_pos++] = buf[i];
3798 /* Start of game messages. Mostly we detect start of game
3799 when the first board image arrives. On some versions
3800 of the ICS, though, we need to do a "refresh" after starting
3801 to observe in order to get the current board right away. */
3802 if (looking_at(buf, &i, "Adding game * to observation list")) {
3803 started = STARTED_OBSERVE;
3807 /* Handle auto-observe */
3808 if (appData.autoObserve &&
3809 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3810 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3812 /* Choose the player that was highlighted, if any. */
3813 if (star_match[0][0] == '\033' ||
3814 star_match[1][0] != '\033') {
3815 player = star_match[0];
3817 player = star_match[2];
3819 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3820 ics_prefix, StripHighlightAndTitle(player));
3823 /* Save ratings from notify string */
3824 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3825 player1Rating = string_to_rating(star_match[1]);
3826 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3827 player2Rating = string_to_rating(star_match[3]);
3829 if (appData.debugMode)
3831 "Ratings from 'Game notification:' %s %d, %s %d\n",
3832 player1Name, player1Rating,
3833 player2Name, player2Rating);
3838 /* Deal with automatic examine mode after a game,
3839 and with IcsObserving -> IcsExamining transition */
3840 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3841 looking_at(buf, &i, "has made you an examiner of game *")) {
3843 int gamenum = atoi(star_match[0]);
3844 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3845 gamenum == ics_gamenum) {
3846 /* We were already playing or observing this game;
3847 no need to refetch history */
3848 gameMode = IcsExamining;
3850 pauseExamForwardMostMove = forwardMostMove;
3851 } else if (currentMove < forwardMostMove) {
3852 ForwardInner(forwardMostMove);
3855 /* I don't think this case really can happen */
3856 SendToICS(ics_prefix);
3857 SendToICS("refresh\n");
3862 /* Error messages */
3863 // if (ics_user_moved) {
3864 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3865 if (looking_at(buf, &i, "Illegal move") ||
3866 looking_at(buf, &i, "Not a legal move") ||
3867 looking_at(buf, &i, "Your king is in check") ||
3868 looking_at(buf, &i, "It isn't your turn") ||
3869 looking_at(buf, &i, "It is not your move")) {
3871 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3872 currentMove = forwardMostMove-1;
3873 DisplayMove(currentMove - 1); /* before DMError */
3874 DrawPosition(FALSE, boards[currentMove]);
3875 SwitchClocks(forwardMostMove-1); // [HGM] race
3876 DisplayBothClocks();
3878 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3884 if (looking_at(buf, &i, "still have time") ||
3885 looking_at(buf, &i, "not out of time") ||
3886 looking_at(buf, &i, "either player is out of time") ||
3887 looking_at(buf, &i, "has timeseal; checking")) {
3888 /* We must have called his flag a little too soon */
3889 whiteFlag = blackFlag = FALSE;
3893 if (looking_at(buf, &i, "added * seconds to") ||
3894 looking_at(buf, &i, "seconds were added to")) {
3895 /* Update the clocks */
3896 SendToICS(ics_prefix);
3897 SendToICS("refresh\n");
3901 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3902 ics_clock_paused = TRUE;
3907 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3908 ics_clock_paused = FALSE;
3913 /* Grab player ratings from the Creating: message.
3914 Note we have to check for the special case when
3915 the ICS inserts things like [white] or [black]. */
3916 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3917 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3919 0 player 1 name (not necessarily white)
3921 2 empty, white, or black (IGNORED)
3922 3 player 2 name (not necessarily black)
3925 The names/ratings are sorted out when the game
3926 actually starts (below).
3928 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3929 player1Rating = string_to_rating(star_match[1]);
3930 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3931 player2Rating = string_to_rating(star_match[4]);
3933 if (appData.debugMode)
3935 "Ratings from 'Creating:' %s %d, %s %d\n",
3936 player1Name, player1Rating,
3937 player2Name, player2Rating);
3942 /* Improved generic start/end-of-game messages */
3943 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3944 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3945 /* If tkind == 0: */
3946 /* star_match[0] is the game number */
3947 /* [1] is the white player's name */
3948 /* [2] is the black player's name */
3949 /* For end-of-game: */
3950 /* [3] is the reason for the game end */
3951 /* [4] is a PGN end game-token, preceded by " " */
3952 /* For start-of-game: */
3953 /* [3] begins with "Creating" or "Continuing" */
3954 /* [4] is " *" or empty (don't care). */
3955 int gamenum = atoi(star_match[0]);
3956 char *whitename, *blackname, *why, *endtoken;
3957 ChessMove endtype = EndOfFile;
3960 whitename = star_match[1];
3961 blackname = star_match[2];
3962 why = star_match[3];
3963 endtoken = star_match[4];
3965 whitename = star_match[1];
3966 blackname = star_match[3];
3967 why = star_match[5];
3968 endtoken = star_match[6];
3971 /* Game start messages */
3972 if (strncmp(why, "Creating ", 9) == 0 ||
3973 strncmp(why, "Continuing ", 11) == 0) {
3974 gs_gamenum = gamenum;
3975 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3976 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3977 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3979 if (appData.zippyPlay) {
3980 ZippyGameStart(whitename, blackname);
3983 partnerBoardValid = FALSE; // [HGM] bughouse
3987 /* Game end messages */
3988 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3989 ics_gamenum != gamenum) {
3992 while (endtoken[0] == ' ') endtoken++;
3993 switch (endtoken[0]) {
3996 endtype = GameUnfinished;
3999 endtype = BlackWins;
4002 if (endtoken[1] == '/')
4003 endtype = GameIsDrawn;
4005 endtype = WhiteWins;
4008 GameEnds(endtype, why, GE_ICS);
4010 if (appData.zippyPlay && first.initDone) {
4011 ZippyGameEnd(endtype, why);
4012 if (first.pr == NoProc) {
4013 /* Start the next process early so that we'll
4014 be ready for the next challenge */
4015 StartChessProgram(&first);
4017 /* Send "new" early, in case this command takes
4018 a long time to finish, so that we'll be ready
4019 for the next challenge. */
4020 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4024 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4028 if (looking_at(buf, &i, "Removing game * from observation") ||
4029 looking_at(buf, &i, "no longer observing game *") ||
4030 looking_at(buf, &i, "Game * (*) has no examiners")) {
4031 if (gameMode == IcsObserving &&
4032 atoi(star_match[0]) == ics_gamenum)
4034 /* icsEngineAnalyze */
4035 if (appData.icsEngineAnalyze) {
4042 ics_user_moved = FALSE;
4047 if (looking_at(buf, &i, "no longer examining game *")) {
4048 if (gameMode == IcsExamining &&
4049 atoi(star_match[0]) == ics_gamenum)
4053 ics_user_moved = FALSE;
4058 /* Advance leftover_start past any newlines we find,
4059 so only partial lines can get reparsed */
4060 if (looking_at(buf, &i, "\n")) {
4061 prevColor = curColor;
4062 if (curColor != ColorNormal) {
4063 if (oldi > next_out) {
4064 SendToPlayer(&buf[next_out], oldi - next_out);
4067 Colorize(ColorNormal, FALSE);
4068 curColor = ColorNormal;
4070 if (started == STARTED_BOARD) {
4071 started = STARTED_NONE;
4072 parse[parse_pos] = NULLCHAR;
4073 ParseBoard12(parse);
4076 /* Send premove here */
4077 if (appData.premove) {
4079 if (currentMove == 0 &&
4080 gameMode == IcsPlayingWhite &&
4081 appData.premoveWhite) {
4082 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4083 if (appData.debugMode)
4084 fprintf(debugFP, "Sending premove:\n");
4086 } else if (currentMove == 1 &&
4087 gameMode == IcsPlayingBlack &&
4088 appData.premoveBlack) {
4089 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4090 if (appData.debugMode)
4091 fprintf(debugFP, "Sending premove:\n");
4093 } else if (gotPremove) {
4095 ClearPremoveHighlights();
4096 if (appData.debugMode)
4097 fprintf(debugFP, "Sending premove:\n");
4098 UserMoveEvent(premoveFromX, premoveFromY,
4099 premoveToX, premoveToY,
4104 /* Usually suppress following prompt */
4105 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4106 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4107 if (looking_at(buf, &i, "*% ")) {
4108 savingComment = FALSE;
4113 } else if (started == STARTED_HOLDINGS) {
4115 char new_piece[MSG_SIZ];
4116 started = STARTED_NONE;
4117 parse[parse_pos] = NULLCHAR;
4118 if (appData.debugMode)
4119 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4120 parse, currentMove);
4121 if (sscanf(parse, " game %d", &gamenum) == 1) {
4122 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4123 if (gameInfo.variant == VariantNormal) {
4124 /* [HGM] We seem to switch variant during a game!
4125 * Presumably no holdings were displayed, so we have
4126 * to move the position two files to the right to
4127 * create room for them!
4129 VariantClass newVariant;
4130 switch(gameInfo.boardWidth) { // base guess on board width
4131 case 9: newVariant = VariantShogi; break;
4132 case 10: newVariant = VariantGreat; break;
4133 default: newVariant = VariantCrazyhouse; break;
4135 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4136 /* Get a move list just to see the header, which
4137 will tell us whether this is really bug or zh */
4138 if (ics_getting_history == H_FALSE) {
4139 ics_getting_history = H_REQUESTED;
4140 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4144 new_piece[0] = NULLCHAR;
4145 sscanf(parse, "game %d white [%s black [%s <- %s",
4146 &gamenum, white_holding, black_holding,
4148 white_holding[strlen(white_holding)-1] = NULLCHAR;
4149 black_holding[strlen(black_holding)-1] = NULLCHAR;
4150 /* [HGM] copy holdings to board holdings area */
4151 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4152 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4153 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4155 if (appData.zippyPlay && first.initDone) {
4156 ZippyHoldings(white_holding, black_holding,
4160 if (tinyLayout || smallLayout) {
4161 char wh[16], bh[16];
4162 PackHolding(wh, white_holding);
4163 PackHolding(bh, black_holding);
4164 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4165 gameInfo.white, gameInfo.black);
4167 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4168 gameInfo.white, white_holding, _("vs."),
4169 gameInfo.black, black_holding);
4171 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4172 DrawPosition(FALSE, boards[currentMove]);
4174 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4175 sscanf(parse, "game %d white [%s black [%s <- %s",
4176 &gamenum, white_holding, black_holding,
4178 white_holding[strlen(white_holding)-1] = NULLCHAR;
4179 black_holding[strlen(black_holding)-1] = NULLCHAR;
4180 /* [HGM] copy holdings to partner-board holdings area */
4181 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4182 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4183 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4184 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4185 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4188 /* Suppress following prompt */
4189 if (looking_at(buf, &i, "*% ")) {
4190 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4191 savingComment = FALSE;
4199 i++; /* skip unparsed character and loop back */
4202 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4203 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4204 // SendToPlayer(&buf[next_out], i - next_out);
4205 started != STARTED_HOLDINGS && leftover_start > next_out) {
4206 SendToPlayer(&buf[next_out], leftover_start - next_out);
4210 leftover_len = buf_len - leftover_start;
4211 /* if buffer ends with something we couldn't parse,
4212 reparse it after appending the next read */
4214 } else if (count == 0) {
4215 RemoveInputSource(isr);
4216 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4218 DisplayFatalError(_("Error reading from ICS"), error, 1);
4223 /* Board style 12 looks like this:
4225 <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
4227 * The "<12> " is stripped before it gets to this routine. The two
4228 * trailing 0's (flip state and clock ticking) are later addition, and
4229 * some chess servers may not have them, or may have only the first.
4230 * Additional trailing fields may be added in the future.
4233 #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"
4235 #define RELATION_OBSERVING_PLAYED 0
4236 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4237 #define RELATION_PLAYING_MYMOVE 1
4238 #define RELATION_PLAYING_NOTMYMOVE -1
4239 #define RELATION_EXAMINING 2
4240 #define RELATION_ISOLATED_BOARD -3
4241 #define RELATION_STARTING_POSITION -4 /* FICS only */
4244 ParseBoard12 (char *string)
4248 char *bookHit = NULL; // [HGM] book
4250 GameMode newGameMode;
4251 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4252 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4253 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4254 char to_play, board_chars[200];
4255 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4256 char black[32], white[32];
4258 int prevMove = currentMove;
4261 int fromX, fromY, toX, toY;
4263 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4264 Boolean weird = FALSE, reqFlag = FALSE;
4266 fromX = fromY = toX = toY = -1;
4270 if (appData.debugMode)
4271 fprintf(debugFP, "Parsing board: %s\n", string);
4273 move_str[0] = NULLCHAR;
4274 elapsed_time[0] = NULLCHAR;
4275 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4277 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4278 if(string[i] == ' ') { ranks++; files = 0; }
4280 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4283 for(j = 0; j <i; j++) board_chars[j] = string[j];
4284 board_chars[i] = '\0';
4287 n = sscanf(string, PATTERN, &to_play, &double_push,
4288 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4289 &gamenum, white, black, &relation, &basetime, &increment,
4290 &white_stren, &black_stren, &white_time, &black_time,
4291 &moveNum, str, elapsed_time, move_str, &ics_flip,
4295 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4296 DisplayError(str, 0);
4300 /* Convert the move number to internal form */
4301 moveNum = (moveNum - 1) * 2;
4302 if (to_play == 'B') moveNum++;
4303 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4304 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4310 case RELATION_OBSERVING_PLAYED:
4311 case RELATION_OBSERVING_STATIC:
4312 if (gamenum == -1) {
4313 /* Old ICC buglet */
4314 relation = RELATION_OBSERVING_STATIC;
4316 newGameMode = IcsObserving;
4318 case RELATION_PLAYING_MYMOVE:
4319 case RELATION_PLAYING_NOTMYMOVE:
4321 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4322 IcsPlayingWhite : IcsPlayingBlack;
4323 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4325 case RELATION_EXAMINING:
4326 newGameMode = IcsExamining;
4328 case RELATION_ISOLATED_BOARD:
4330 /* Just display this board. If user was doing something else,
4331 we will forget about it until the next board comes. */
4332 newGameMode = IcsIdle;
4334 case RELATION_STARTING_POSITION:
4335 newGameMode = gameMode;
4339 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4340 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4341 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4342 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4343 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4344 static int lastBgGame = -1;
4346 for (k = 0; k < ranks; k++) {
4347 for (j = 0; j < files; j++)
4348 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4349 if(gameInfo.holdingsWidth > 1) {
4350 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4351 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4354 CopyBoard(partnerBoard, board);
4355 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4356 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4357 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4358 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4359 if(toSqr = strchr(str, '-')) {
4360 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4361 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4362 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4363 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4364 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4365 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4367 DisplayWhiteClock(white_time*fac, to_play == 'W');
4368 DisplayBlackClock(black_time*fac, to_play != 'W');
4369 activePartner = to_play;
4370 if(gamenum != lastBgGame) {
4372 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4375 lastBgGame = gamenum;
4376 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4377 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4378 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4379 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4380 if(!twoBoards) DisplayMessage(partnerStatus, "");
4381 partnerBoardValid = TRUE;
4385 if(appData.dualBoard && appData.bgObserve) {
4386 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4387 SendToICS(ics_prefix), SendToICS("pobserve\n");
4388 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4390 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4395 /* Modify behavior for initial board display on move listing
4398 switch (ics_getting_history) {
4402 case H_GOT_REQ_HEADER:
4403 case H_GOT_UNREQ_HEADER:
4404 /* This is the initial position of the current game */
4405 gamenum = ics_gamenum;
4406 moveNum = 0; /* old ICS bug workaround */
4407 if (to_play == 'B') {
4408 startedFromSetupPosition = TRUE;
4409 blackPlaysFirst = TRUE;
4411 if (forwardMostMove == 0) forwardMostMove = 1;
4412 if (backwardMostMove == 0) backwardMostMove = 1;
4413 if (currentMove == 0) currentMove = 1;
4415 newGameMode = gameMode;
4416 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4418 case H_GOT_UNWANTED_HEADER:
4419 /* This is an initial board that we don't want */
4421 case H_GETTING_MOVES:
4422 /* Should not happen */
4423 DisplayError(_("Error gathering move list: extra board"), 0);
4424 ics_getting_history = H_FALSE;
4428 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4429 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4430 weird && (int)gameInfo.variant < (int)VariantShogi) {
4431 /* [HGM] We seem to have switched variant unexpectedly
4432 * Try to guess new variant from board size
4434 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4435 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4436 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4437 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4438 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4439 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4440 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4441 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4442 /* Get a move list just to see the header, which
4443 will tell us whether this is really bug or zh */
4444 if (ics_getting_history == H_FALSE) {
4445 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4446 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4451 /* Take action if this is the first board of a new game, or of a
4452 different game than is currently being displayed. */
4453 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4454 relation == RELATION_ISOLATED_BOARD) {
4456 /* Forget the old game and get the history (if any) of the new one */
4457 if (gameMode != BeginningOfGame) {
4461 if (appData.autoRaiseBoard) BoardToTop();
4463 if (gamenum == -1) {
4464 newGameMode = IcsIdle;
4465 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4466 appData.getMoveList && !reqFlag) {
4467 /* Need to get game history */
4468 ics_getting_history = H_REQUESTED;
4469 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4473 /* Initially flip the board to have black on the bottom if playing
4474 black or if the ICS flip flag is set, but let the user change
4475 it with the Flip View button. */
4476 flipView = appData.autoFlipView ?
4477 (newGameMode == IcsPlayingBlack) || ics_flip :
4480 /* Done with values from previous mode; copy in new ones */
4481 gameMode = newGameMode;
4483 ics_gamenum = gamenum;
4484 if (gamenum == gs_gamenum) {
4485 int klen = strlen(gs_kind);
4486 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4487 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4488 gameInfo.event = StrSave(str);
4490 gameInfo.event = StrSave("ICS game");
4492 gameInfo.site = StrSave(appData.icsHost);
4493 gameInfo.date = PGNDate();
4494 gameInfo.round = StrSave("-");
4495 gameInfo.white = StrSave(white);
4496 gameInfo.black = StrSave(black);
4497 timeControl = basetime * 60 * 1000;
4499 timeIncrement = increment * 1000;
4500 movesPerSession = 0;
4501 gameInfo.timeControl = TimeControlTagValue();
4502 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4503 if (appData.debugMode) {
4504 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4505 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4506 setbuf(debugFP, NULL);
4509 gameInfo.outOfBook = NULL;
4511 /* Do we have the ratings? */
4512 if (strcmp(player1Name, white) == 0 &&
4513 strcmp(player2Name, black) == 0) {
4514 if (appData.debugMode)
4515 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4516 player1Rating, player2Rating);
4517 gameInfo.whiteRating = player1Rating;
4518 gameInfo.blackRating = player2Rating;
4519 } else if (strcmp(player2Name, white) == 0 &&
4520 strcmp(player1Name, black) == 0) {
4521 if (appData.debugMode)
4522 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4523 player2Rating, player1Rating);
4524 gameInfo.whiteRating = player2Rating;
4525 gameInfo.blackRating = player1Rating;
4527 player1Name[0] = player2Name[0] = NULLCHAR;
4529 /* Silence shouts if requested */
4530 if (appData.quietPlay &&
4531 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4532 SendToICS(ics_prefix);
4533 SendToICS("set shout 0\n");
4537 /* Deal with midgame name changes */
4539 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4540 if (gameInfo.white) free(gameInfo.white);
4541 gameInfo.white = StrSave(white);
4543 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4544 if (gameInfo.black) free(gameInfo.black);
4545 gameInfo.black = StrSave(black);
4549 /* Throw away game result if anything actually changes in examine mode */
4550 if (gameMode == IcsExamining && !newGame) {
4551 gameInfo.result = GameUnfinished;
4552 if (gameInfo.resultDetails != NULL) {
4553 free(gameInfo.resultDetails);
4554 gameInfo.resultDetails = NULL;
4558 /* In pausing && IcsExamining mode, we ignore boards coming
4559 in if they are in a different variation than we are. */
4560 if (pauseExamInvalid) return;
4561 if (pausing && gameMode == IcsExamining) {
4562 if (moveNum <= pauseExamForwardMostMove) {
4563 pauseExamInvalid = TRUE;
4564 forwardMostMove = pauseExamForwardMostMove;
4569 if (appData.debugMode) {
4570 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4572 /* Parse the board */
4573 for (k = 0; k < ranks; k++) {
4574 for (j = 0; j < files; j++)
4575 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4576 if(gameInfo.holdingsWidth > 1) {
4577 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4578 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4581 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4582 board[5][BOARD_RGHT+1] = WhiteAngel;
4583 board[6][BOARD_RGHT+1] = WhiteMarshall;
4584 board[1][0] = BlackMarshall;
4585 board[2][0] = BlackAngel;
4586 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4588 CopyBoard(boards[moveNum], board);
4589 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4591 startedFromSetupPosition =
4592 !CompareBoards(board, initialPosition);
4593 if(startedFromSetupPosition)
4594 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4597 /* [HGM] Set castling rights. Take the outermost Rooks,
4598 to make it also work for FRC opening positions. Note that board12
4599 is really defective for later FRC positions, as it has no way to
4600 indicate which Rook can castle if they are on the same side of King.
4601 For the initial position we grant rights to the outermost Rooks,
4602 and remember thos rights, and we then copy them on positions
4603 later in an FRC game. This means WB might not recognize castlings with
4604 Rooks that have moved back to their original position as illegal,
4605 but in ICS mode that is not its job anyway.
4607 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4608 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4610 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4611 if(board[0][i] == WhiteRook) j = i;
4612 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4613 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4614 if(board[0][i] == WhiteRook) j = i;
4615 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4616 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4617 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4618 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4619 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4620 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4621 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4623 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4624 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4625 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4626 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4627 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4628 if(board[BOARD_HEIGHT-1][k] == bKing)
4629 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4630 if(gameInfo.variant == VariantTwoKings) {
4631 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4632 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4633 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4636 r = boards[moveNum][CASTLING][0] = initialRights[0];
4637 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4638 r = boards[moveNum][CASTLING][1] = initialRights[1];
4639 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4640 r = boards[moveNum][CASTLING][3] = initialRights[3];
4641 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4642 r = boards[moveNum][CASTLING][4] = initialRights[4];
4643 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4644 /* wildcastle kludge: always assume King has rights */
4645 r = boards[moveNum][CASTLING][2] = initialRights[2];
4646 r = boards[moveNum][CASTLING][5] = initialRights[5];
4648 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4649 boards[moveNum][EP_STATUS] = EP_NONE;
4650 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4651 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4652 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4655 if (ics_getting_history == H_GOT_REQ_HEADER ||
4656 ics_getting_history == H_GOT_UNREQ_HEADER) {
4657 /* This was an initial position from a move list, not
4658 the current position */
4662 /* Update currentMove and known move number limits */
4663 newMove = newGame || moveNum > forwardMostMove;
4666 forwardMostMove = backwardMostMove = currentMove = moveNum;
4667 if (gameMode == IcsExamining && moveNum == 0) {
4668 /* Workaround for ICS limitation: we are not told the wild
4669 type when starting to examine a game. But if we ask for
4670 the move list, the move list header will tell us */
4671 ics_getting_history = H_REQUESTED;
4672 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4675 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4676 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4678 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4679 /* [HGM] applied this also to an engine that is silently watching */
4680 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4681 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4682 gameInfo.variant == currentlyInitializedVariant) {
4683 takeback = forwardMostMove - moveNum;
4684 for (i = 0; i < takeback; i++) {
4685 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4686 SendToProgram("undo\n", &first);
4691 forwardMostMove = moveNum;
4692 if (!pausing || currentMove > forwardMostMove)
4693 currentMove = forwardMostMove;
4695 /* New part of history that is not contiguous with old part */
4696 if (pausing && gameMode == IcsExamining) {
4697 pauseExamInvalid = TRUE;
4698 forwardMostMove = pauseExamForwardMostMove;
4701 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4703 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4704 // [HGM] when we will receive the move list we now request, it will be
4705 // fed to the engine from the first move on. So if the engine is not
4706 // in the initial position now, bring it there.
4707 InitChessProgram(&first, 0);
4710 ics_getting_history = H_REQUESTED;
4711 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4714 forwardMostMove = backwardMostMove = currentMove = moveNum;
4717 /* Update the clocks */
4718 if (strchr(elapsed_time, '.')) {
4720 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4721 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4723 /* Time is in seconds */
4724 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4725 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4730 if (appData.zippyPlay && newGame &&
4731 gameMode != IcsObserving && gameMode != IcsIdle &&
4732 gameMode != IcsExamining)
4733 ZippyFirstBoard(moveNum, basetime, increment);
4736 /* Put the move on the move list, first converting
4737 to canonical algebraic form. */
4739 if (appData.debugMode) {
4740 int f = forwardMostMove;
4741 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4742 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4743 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4744 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4745 fprintf(debugFP, "moveNum = %d\n", moveNum);
4746 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4747 setbuf(debugFP, NULL);
4749 if (moveNum <= backwardMostMove) {
4750 /* We don't know what the board looked like before
4752 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4753 strcat(parseList[moveNum - 1], " ");
4754 strcat(parseList[moveNum - 1], elapsed_time);
4755 moveList[moveNum - 1][0] = NULLCHAR;
4756 } else if (strcmp(move_str, "none") == 0) {
4757 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4758 /* Again, we don't know what the board looked like;
4759 this is really the start of the game. */
4760 parseList[moveNum - 1][0] = NULLCHAR;
4761 moveList[moveNum - 1][0] = NULLCHAR;
4762 backwardMostMove = moveNum;
4763 startedFromSetupPosition = TRUE;
4764 fromX = fromY = toX = toY = -1;
4766 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4767 // So we parse the long-algebraic move string in stead of the SAN move
4768 int valid; char buf[MSG_SIZ], *prom;
4770 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4771 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4772 // str looks something like "Q/a1-a2"; kill the slash
4774 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4775 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4776 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4777 strcat(buf, prom); // long move lacks promo specification!
4778 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4779 if(appData.debugMode)
4780 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4781 safeStrCpy(move_str, buf, MSG_SIZ);
4783 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4784 &fromX, &fromY, &toX, &toY, &promoChar)
4785 || ParseOneMove(buf, moveNum - 1, &moveType,
4786 &fromX, &fromY, &toX, &toY, &promoChar);
4787 // end of long SAN patch
4789 (void) CoordsToAlgebraic(boards[moveNum - 1],
4790 PosFlags(moveNum - 1),
4791 fromY, fromX, toY, toX, promoChar,
4792 parseList[moveNum-1]);
4793 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4799 if(gameInfo.variant != VariantShogi)
4800 strcat(parseList[moveNum - 1], "+");
4803 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4804 strcat(parseList[moveNum - 1], "#");
4807 strcat(parseList[moveNum - 1], " ");
4808 strcat(parseList[moveNum - 1], elapsed_time);
4809 /* currentMoveString is set as a side-effect of ParseOneMove */
4810 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4811 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4812 strcat(moveList[moveNum - 1], "\n");
4814 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4815 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4816 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4817 ChessSquare old, new = boards[moveNum][k][j];
4818 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4819 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4820 if(old == new) continue;
4821 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4822 else if(new == WhiteWazir || new == BlackWazir) {
4823 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4824 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4825 else boards[moveNum][k][j] = old; // preserve type of Gold
4826 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4827 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4830 /* Move from ICS was illegal!? Punt. */
4831 if (appData.debugMode) {
4832 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4833 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4835 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4836 strcat(parseList[moveNum - 1], " ");
4837 strcat(parseList[moveNum - 1], elapsed_time);
4838 moveList[moveNum - 1][0] = NULLCHAR;
4839 fromX = fromY = toX = toY = -1;
4842 if (appData.debugMode) {
4843 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4844 setbuf(debugFP, NULL);
4848 /* Send move to chess program (BEFORE animating it). */
4849 if (appData.zippyPlay && !newGame && newMove &&
4850 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4852 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4853 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4854 if (moveList[moveNum - 1][0] == NULLCHAR) {
4855 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4857 DisplayError(str, 0);
4859 if (first.sendTime) {
4860 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4862 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4863 if (firstMove && !bookHit) {
4865 if (first.useColors) {
4866 SendToProgram(gameMode == IcsPlayingWhite ?
4868 "black\ngo\n", &first);
4870 SendToProgram("go\n", &first);
4872 first.maybeThinking = TRUE;
4875 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4876 if (moveList[moveNum - 1][0] == NULLCHAR) {
4877 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4878 DisplayError(str, 0);
4880 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4881 SendMoveToProgram(moveNum - 1, &first);
4888 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4889 /* If move comes from a remote source, animate it. If it
4890 isn't remote, it will have already been animated. */
4891 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4892 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4894 if (!pausing && appData.highlightLastMove) {
4895 SetHighlights(fromX, fromY, toX, toY);
4899 /* Start the clocks */
4900 whiteFlag = blackFlag = FALSE;
4901 appData.clockMode = !(basetime == 0 && increment == 0);
4903 ics_clock_paused = TRUE;
4905 } else if (ticking == 1) {
4906 ics_clock_paused = FALSE;
4908 if (gameMode == IcsIdle ||
4909 relation == RELATION_OBSERVING_STATIC ||
4910 relation == RELATION_EXAMINING ||
4912 DisplayBothClocks();
4916 /* Display opponents and material strengths */
4917 if (gameInfo.variant != VariantBughouse &&
4918 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4919 if (tinyLayout || smallLayout) {
4920 if(gameInfo.variant == VariantNormal)
4921 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4922 gameInfo.white, white_stren, gameInfo.black, black_stren,
4923 basetime, increment);
4925 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4926 gameInfo.white, white_stren, gameInfo.black, black_stren,
4927 basetime, increment, (int) gameInfo.variant);
4929 if(gameInfo.variant == VariantNormal)
4930 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4931 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4932 basetime, increment);
4934 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4935 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4936 basetime, increment, VariantName(gameInfo.variant));
4939 if (appData.debugMode) {
4940 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4945 /* Display the board */
4946 if (!pausing && !appData.noGUI) {
4948 if (appData.premove)
4950 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4951 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4952 ClearPremoveHighlights();
4954 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4955 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4956 DrawPosition(j, boards[currentMove]);
4958 DisplayMove(moveNum - 1);
4959 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4960 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4961 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4962 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4966 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4968 if(bookHit) { // [HGM] book: simulate book reply
4969 static char bookMove[MSG_SIZ]; // a bit generous?
4971 programStats.nodes = programStats.depth = programStats.time =
4972 programStats.score = programStats.got_only_move = 0;
4973 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4975 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4976 strcat(bookMove, bookHit);
4977 HandleMachineMove(bookMove, &first);
4986 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4987 ics_getting_history = H_REQUESTED;
4988 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4994 SendToBoth (char *msg)
4995 { // to make it easy to keep two engines in step in dual analysis
4996 SendToProgram(msg, &first);
4997 if(second.analyzing) SendToProgram(msg, &second);
5001 AnalysisPeriodicEvent (int force)
5003 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5004 && !force) || !appData.periodicUpdates)
5007 /* Send . command to Crafty to collect stats */
5010 /* Don't send another until we get a response (this makes
5011 us stop sending to old Crafty's which don't understand
5012 the "." command (sending illegal cmds resets node count & time,
5013 which looks bad)) */
5014 programStats.ok_to_send = 0;
5018 ics_update_width (int new_width)
5020 ics_printf("set width %d\n", new_width);
5024 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5028 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5029 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5030 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5031 SendToProgram(buf, cps);
5034 // null move in variant where engine does not understand it (for analysis purposes)
5035 SendBoard(cps, moveNum + 1); // send position after move in stead.
5038 if (cps->useUsermove) {
5039 SendToProgram("usermove ", cps);
5043 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5044 int len = space - parseList[moveNum];
5045 memcpy(buf, parseList[moveNum], len);
5047 buf[len] = NULLCHAR;
5049 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5051 SendToProgram(buf, cps);
5053 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5054 AlphaRank(moveList[moveNum], 4);
5055 SendToProgram(moveList[moveNum], cps);
5056 AlphaRank(moveList[moveNum], 4); // and back
5058 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5059 * the engine. It would be nice to have a better way to identify castle
5061 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5062 && cps->useOOCastle) {
5063 int fromX = moveList[moveNum][0] - AAA;
5064 int fromY = moveList[moveNum][1] - ONE;
5065 int toX = moveList[moveNum][2] - AAA;
5066 int toY = moveList[moveNum][3] - ONE;
5067 if((boards[moveNum][fromY][fromX] == WhiteKing
5068 && boards[moveNum][toY][toX] == WhiteRook)
5069 || (boards[moveNum][fromY][fromX] == BlackKing
5070 && boards[moveNum][toY][toX] == BlackRook)) {
5071 if(toX > fromX) SendToProgram("O-O\n", cps);
5072 else SendToProgram("O-O-O\n", cps);
5074 else SendToProgram(moveList[moveNum], cps);
5076 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5077 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5078 moveList[moveNum][5], moveList[moveNum][6] - '0',
5079 moveList[moveNum][5], moveList[moveNum][6] - '0',
5080 moveList[moveNum][2], moveList[moveNum][3] - '0');
5081 SendToProgram(buf, cps);
5083 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5084 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5085 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5086 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5087 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5089 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5090 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5091 SendToProgram(buf, cps);
5093 else SendToProgram(moveList[moveNum], cps);
5094 /* End of additions by Tord */
5097 /* [HGM] setting up the opening has brought engine in force mode! */
5098 /* Send 'go' if we are in a mode where machine should play. */
5099 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5100 (gameMode == TwoMachinesPlay ||
5102 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5104 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5105 SendToProgram("go\n", cps);
5106 if (appData.debugMode) {
5107 fprintf(debugFP, "(extra)\n");
5110 setboardSpoiledMachineBlack = 0;
5114 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5116 char user_move[MSG_SIZ];
5119 if(gameInfo.variant == VariantSChess && promoChar) {
5120 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5121 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5122 } else suffix[0] = NULLCHAR;
5126 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5127 (int)moveType, fromX, fromY, toX, toY);
5128 DisplayError(user_move + strlen("say "), 0);
5130 case WhiteKingSideCastle:
5131 case BlackKingSideCastle:
5132 case WhiteQueenSideCastleWild:
5133 case BlackQueenSideCastleWild:
5135 case WhiteHSideCastleFR:
5136 case BlackHSideCastleFR:
5138 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5140 case WhiteQueenSideCastle:
5141 case BlackQueenSideCastle:
5142 case WhiteKingSideCastleWild:
5143 case BlackKingSideCastleWild:
5145 case WhiteASideCastleFR:
5146 case BlackASideCastleFR:
5148 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5150 case WhiteNonPromotion:
5151 case BlackNonPromotion:
5152 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5154 case WhitePromotion:
5155 case BlackPromotion:
5156 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5157 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5158 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5159 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5160 PieceToChar(WhiteFerz));
5161 else if(gameInfo.variant == VariantGreat)
5162 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5163 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5164 PieceToChar(WhiteMan));
5166 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5167 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5173 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5174 ToUpper(PieceToChar((ChessSquare) fromX)),
5175 AAA + toX, ONE + toY);
5177 case IllegalMove: /* could be a variant we don't quite understand */
5178 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5180 case WhiteCapturesEnPassant:
5181 case BlackCapturesEnPassant:
5182 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5183 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5186 SendToICS(user_move);
5187 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5188 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5193 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5194 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5195 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5196 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5197 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5200 if(gameMode != IcsExamining) { // is this ever not the case?
5201 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5203 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5204 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5205 } else { // on FICS we must first go to general examine mode
5206 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5208 if(gameInfo.variant != VariantNormal) {
5209 // try figure out wild number, as xboard names are not always valid on ICS
5210 for(i=1; i<=36; i++) {
5211 snprintf(buf, MSG_SIZ, "wild/%d", i);
5212 if(StringToVariant(buf) == gameInfo.variant) break;
5214 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5215 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5216 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5217 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5218 SendToICS(ics_prefix);
5220 if(startedFromSetupPosition || backwardMostMove != 0) {
5221 fen = PositionToFEN(backwardMostMove, NULL, 1);
5222 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5223 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5225 } else { // FICS: everything has to set by separate bsetup commands
5226 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5227 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5229 if(!WhiteOnMove(backwardMostMove)) {
5230 SendToICS("bsetup tomove black\n");
5232 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5233 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5235 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5236 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5238 i = boards[backwardMostMove][EP_STATUS];
5239 if(i >= 0) { // set e.p.
5240 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5246 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5247 SendToICS("bsetup done\n"); // switch to normal examining.
5249 for(i = backwardMostMove; i<last; i++) {
5251 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5252 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5253 int len = strlen(moveList[i]);
5254 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5255 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5259 SendToICS(ics_prefix);
5260 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5263 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5266 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5268 if (rf == DROP_RANK) {
5269 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5270 sprintf(move, "%c@%c%c\n",
5271 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5273 if (promoChar == 'x' || promoChar == NULLCHAR) {
5274 sprintf(move, "%c%c%c%c\n",
5275 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5276 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5278 sprintf(move, "%c%c%c%c%c\n",
5279 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5285 ProcessICSInitScript (FILE *f)
5289 while (fgets(buf, MSG_SIZ, f)) {
5290 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5297 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5299 static ClickType lastClickType;
5302 Partner (ChessSquare *p)
5303 { // change piece into promotion partner if one shogi-promotes to the other
5304 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5305 ChessSquare partner;
5306 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5307 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5315 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5316 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5317 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5318 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5319 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5320 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5322 if(step && !Partner(&promoSweep)) promoSweep -= step;
5323 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5324 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5325 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5326 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5327 if(!step) step = -1;
5328 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5329 appData.testLegality && (promoSweep == king || promoSweep == WhiteLion || promoSweep == BlackLion));
5331 int victim = boards[currentMove][toY][toX];
5332 boards[currentMove][toY][toX] = promoSweep;
5333 DrawPosition(FALSE, boards[currentMove]);
5334 boards[currentMove][toY][toX] = victim;
5336 ChangeDragPiece(promoSweep);
5340 PromoScroll (int x, int y)
5344 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5345 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5346 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5347 if(!step) return FALSE;
5348 lastX = x; lastY = y;
5349 if((promoSweep < BlackPawn) == flipView) step = -step;
5350 if(step > 0) selectFlag = 1;
5351 if(!selectFlag) Sweep(step);
5356 NextPiece (int step)
5358 ChessSquare piece = boards[currentMove][toY][toX];
5361 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5362 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5363 if(!step) step = -1;
5364 } while(PieceToChar(pieceSweep) == '.');
5365 boards[currentMove][toY][toX] = pieceSweep;
5366 DrawPosition(FALSE, boards[currentMove]);
5367 boards[currentMove][toY][toX] = piece;
5369 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5371 AlphaRank (char *move, int n)
5373 // char *p = move, c; int x, y;
5375 if (appData.debugMode) {
5376 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5380 move[2]>='0' && move[2]<='9' &&
5381 move[3]>='a' && move[3]<='x' ) {
5383 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5384 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5386 if(move[0]>='0' && move[0]<='9' &&
5387 move[1]>='a' && move[1]<='x' &&
5388 move[2]>='0' && move[2]<='9' &&
5389 move[3]>='a' && move[3]<='x' ) {
5390 /* input move, Shogi -> normal */
5391 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5392 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5393 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5394 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5397 move[3]>='0' && move[3]<='9' &&
5398 move[2]>='a' && move[2]<='x' ) {
5400 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5401 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5404 move[0]>='a' && move[0]<='x' &&
5405 move[3]>='0' && move[3]<='9' &&
5406 move[2]>='a' && move[2]<='x' ) {
5407 /* output move, normal -> Shogi */
5408 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5409 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5410 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5411 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5412 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5414 if (appData.debugMode) {
5415 fprintf(debugFP, " out = '%s'\n", move);
5419 char yy_textstr[8000];
5421 /* Parser for moves from gnuchess, ICS, or user typein box */
5423 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5425 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5427 switch (*moveType) {
5428 case WhitePromotion:
5429 case BlackPromotion:
5430 case WhiteNonPromotion:
5431 case BlackNonPromotion:
5434 case WhiteCapturesEnPassant:
5435 case BlackCapturesEnPassant:
5436 case WhiteKingSideCastle:
5437 case WhiteQueenSideCastle:
5438 case BlackKingSideCastle:
5439 case BlackQueenSideCastle:
5440 case WhiteKingSideCastleWild:
5441 case WhiteQueenSideCastleWild:
5442 case BlackKingSideCastleWild:
5443 case BlackQueenSideCastleWild:
5444 /* Code added by Tord: */
5445 case WhiteHSideCastleFR:
5446 case WhiteASideCastleFR:
5447 case BlackHSideCastleFR:
5448 case BlackASideCastleFR:
5449 /* End of code added by Tord */
5450 case IllegalMove: /* bug or odd chess variant */
5451 *fromX = currentMoveString[0] - AAA;
5452 *fromY = currentMoveString[1] - ONE;
5453 *toX = currentMoveString[2] - AAA;
5454 *toY = currentMoveString[3] - ONE;
5455 *promoChar = currentMoveString[4];
5456 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5457 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5458 if (appData.debugMode) {
5459 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5461 *fromX = *fromY = *toX = *toY = 0;
5464 if (appData.testLegality) {
5465 return (*moveType != IllegalMove);
5467 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5468 // [HGM] lion: if this is a double move we are less critical
5469 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5474 *fromX = *moveType == WhiteDrop ?
5475 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5476 (int) CharToPiece(ToLower(currentMoveString[0]));
5478 *toX = currentMoveString[2] - AAA;
5479 *toY = currentMoveString[3] - ONE;
5480 *promoChar = NULLCHAR;
5484 case ImpossibleMove:
5494 if (appData.debugMode) {
5495 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5498 *fromX = *fromY = *toX = *toY = 0;
5499 *promoChar = NULLCHAR;
5504 Boolean pushed = FALSE;
5505 char *lastParseAttempt;
5508 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5509 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5510 int fromX, fromY, toX, toY; char promoChar;
5515 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5516 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5517 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5520 endPV = forwardMostMove;
5522 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5523 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5524 lastParseAttempt = pv;
5525 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5526 if(!valid && nr == 0 &&
5527 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5528 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5529 // Hande case where played move is different from leading PV move
5530 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5531 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5532 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5533 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5534 endPV += 2; // if position different, keep this
5535 moveList[endPV-1][0] = fromX + AAA;
5536 moveList[endPV-1][1] = fromY + ONE;
5537 moveList[endPV-1][2] = toX + AAA;
5538 moveList[endPV-1][3] = toY + ONE;
5539 parseList[endPV-1][0] = NULLCHAR;
5540 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5543 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5544 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5545 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5546 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5547 valid++; // allow comments in PV
5551 if(endPV+1 > framePtr) break; // no space, truncate
5554 CopyBoard(boards[endPV], boards[endPV-1]);
5555 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5556 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5557 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5558 CoordsToAlgebraic(boards[endPV - 1],
5559 PosFlags(endPV - 1),
5560 fromY, fromX, toY, toX, promoChar,
5561 parseList[endPV - 1]);
5563 if(atEnd == 2) return; // used hidden, for PV conversion
5564 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5565 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5566 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5567 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5568 DrawPosition(TRUE, boards[currentMove]);
5572 MultiPV (ChessProgramState *cps)
5573 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5575 for(i=0; i<cps->nrOptions; i++)
5576 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5581 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5584 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5586 int startPV, multi, lineStart, origIndex = index;
5587 char *p, buf2[MSG_SIZ];
5588 ChessProgramState *cps = (pane ? &second : &first);
5590 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5591 lastX = x; lastY = y;
5592 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5593 lineStart = startPV = index;
5594 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5595 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5597 do{ while(buf[index] && buf[index] != '\n') index++;
5598 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5600 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5601 int n = cps->option[multi].value;
5602 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5603 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5604 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5605 cps->option[multi].value = n;
5608 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5609 ExcludeClick(origIndex - lineStart);
5612 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5613 *start = startPV; *end = index-1;
5614 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5621 static char buf[10*MSG_SIZ];
5622 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5624 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5625 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5626 for(i = forwardMostMove; i<endPV; i++){
5627 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5628 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5631 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5632 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5633 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5639 LoadPV (int x, int y)
5640 { // called on right mouse click to load PV
5641 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5642 lastX = x; lastY = y;
5643 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5651 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5652 if(endPV < 0) return;
5653 if(appData.autoCopyPV) CopyFENToClipboard();
5655 if(extendGame && currentMove > forwardMostMove) {
5656 Boolean saveAnimate = appData.animate;
5658 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5659 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5660 } else storedGames--; // abandon shelved tail of original game
5663 forwardMostMove = currentMove;
5664 currentMove = oldFMM;
5665 appData.animate = FALSE;
5666 ToNrEvent(forwardMostMove);
5667 appData.animate = saveAnimate;
5669 currentMove = forwardMostMove;
5670 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5671 ClearPremoveHighlights();
5672 DrawPosition(TRUE, boards[currentMove]);
5676 MovePV (int x, int y, int h)
5677 { // step through PV based on mouse coordinates (called on mouse move)
5678 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5680 // we must somehow check if right button is still down (might be released off board!)
5681 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5682 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5683 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5685 lastX = x; lastY = y;
5687 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5688 if(endPV < 0) return;
5689 if(y < margin) step = 1; else
5690 if(y > h - margin) step = -1;
5691 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5692 currentMove += step;
5693 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5694 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5695 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5696 DrawPosition(FALSE, boards[currentMove]);
5700 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5701 // All positions will have equal probability, but the current method will not provide a unique
5702 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5708 int piecesLeft[(int)BlackPawn];
5709 int seed, nrOfShuffles;
5712 GetPositionNumber ()
5713 { // sets global variable seed
5716 seed = appData.defaultFrcPosition;
5717 if(seed < 0) { // randomize based on time for negative FRC position numbers
5718 for(i=0; i<50; i++) seed += random();
5719 seed = random() ^ random() >> 8 ^ random() << 8;
5720 if(seed<0) seed = -seed;
5725 put (Board board, int pieceType, int rank, int n, int shade)
5726 // put the piece on the (n-1)-th empty squares of the given shade
5730 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5731 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5732 board[rank][i] = (ChessSquare) pieceType;
5733 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5735 piecesLeft[pieceType]--;
5744 AddOnePiece (Board board, int pieceType, int rank, int shade)
5745 // calculate where the next piece goes, (any empty square), and put it there
5749 i = seed % squaresLeft[shade];
5750 nrOfShuffles *= squaresLeft[shade];
5751 seed /= squaresLeft[shade];
5752 put(board, pieceType, rank, i, shade);
5756 AddTwoPieces (Board board, int pieceType, int rank)
5757 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5759 int i, n=squaresLeft[ANY], j=n-1, k;
5761 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5762 i = seed % k; // pick one
5765 while(i >= j) i -= j--;
5766 j = n - 1 - j; i += j;
5767 put(board, pieceType, rank, j, ANY);
5768 put(board, pieceType, rank, i, ANY);
5772 SetUpShuffle (Board board, int number)
5776 GetPositionNumber(); nrOfShuffles = 1;
5778 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5779 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5780 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5782 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5784 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5785 p = (int) board[0][i];
5786 if(p < (int) BlackPawn) piecesLeft[p] ++;
5787 board[0][i] = EmptySquare;
5790 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5791 // shuffles restricted to allow normal castling put KRR first
5792 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5793 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5794 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5795 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5796 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5797 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5798 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5799 put(board, WhiteRook, 0, 0, ANY);
5800 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5803 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5804 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5805 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5806 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5807 while(piecesLeft[p] >= 2) {
5808 AddOnePiece(board, p, 0, LITE);
5809 AddOnePiece(board, p, 0, DARK);
5811 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5814 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5815 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5816 // but we leave King and Rooks for last, to possibly obey FRC restriction
5817 if(p == (int)WhiteRook) continue;
5818 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5819 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5822 // now everything is placed, except perhaps King (Unicorn) and Rooks
5824 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5825 // Last King gets castling rights
5826 while(piecesLeft[(int)WhiteUnicorn]) {
5827 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5828 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5831 while(piecesLeft[(int)WhiteKing]) {
5832 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5833 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5838 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5839 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5842 // Only Rooks can be left; simply place them all
5843 while(piecesLeft[(int)WhiteRook]) {
5844 i = put(board, WhiteRook, 0, 0, ANY);
5845 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5848 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5850 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5853 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5854 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5857 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5861 SetCharTable (char *table, const char * map)
5862 /* [HGM] moved here from winboard.c because of its general usefulness */
5863 /* Basically a safe strcpy that uses the last character as King */
5865 int result = FALSE; int NrPieces;
5867 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5868 && NrPieces >= 12 && !(NrPieces&1)) {
5869 int i; /* [HGM] Accept even length from 12 to 34 */
5871 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5872 for( i=0; i<NrPieces/2-1; i++ ) {
5874 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5876 table[(int) WhiteKing] = map[NrPieces/2-1];
5877 table[(int) BlackKing] = map[NrPieces-1];
5886 Prelude (Board board)
5887 { // [HGM] superchess: random selection of exo-pieces
5888 int i, j, k; ChessSquare p;
5889 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5891 GetPositionNumber(); // use FRC position number
5893 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5894 SetCharTable(pieceToChar, appData.pieceToCharTable);
5895 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5896 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5899 j = seed%4; seed /= 4;
5900 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5901 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5902 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5903 j = seed%3 + (seed%3 >= j); seed /= 3;
5904 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5905 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5906 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5907 j = seed%3; seed /= 3;
5908 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5909 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5910 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5911 j = seed%2 + (seed%2 >= j); seed /= 2;
5912 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5913 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5914 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5915 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5916 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5917 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5918 put(board, exoPieces[0], 0, 0, ANY);
5919 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5923 InitPosition (int redraw)
5925 ChessSquare (* pieces)[BOARD_FILES];
5926 int i, j, pawnRow=1, pieceRows=1, overrule,
5927 oldx = gameInfo.boardWidth,
5928 oldy = gameInfo.boardHeight,
5929 oldh = gameInfo.holdingsWidth;
5932 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5934 /* [AS] Initialize pv info list [HGM] and game status */
5936 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5937 pvInfoList[i].depth = 0;
5938 boards[i][EP_STATUS] = EP_NONE;
5939 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5942 initialRulePlies = 0; /* 50-move counter start */
5944 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5945 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5949 /* [HGM] logic here is completely changed. In stead of full positions */
5950 /* the initialized data only consist of the two backranks. The switch */
5951 /* selects which one we will use, which is than copied to the Board */
5952 /* initialPosition, which for the rest is initialized by Pawns and */
5953 /* empty squares. This initial position is then copied to boards[0], */
5954 /* possibly after shuffling, so that it remains available. */
5956 gameInfo.holdingsWidth = 0; /* default board sizes */
5957 gameInfo.boardWidth = 8;
5958 gameInfo.boardHeight = 8;
5959 gameInfo.holdingsSize = 0;
5960 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5961 for(i=0; i<BOARD_FILES-2; i++)
5962 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5963 initialPosition[EP_STATUS] = EP_NONE;
5964 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5965 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5966 SetCharTable(pieceNickName, appData.pieceNickNames);
5967 else SetCharTable(pieceNickName, "............");
5970 switch (gameInfo.variant) {
5971 case VariantFischeRandom:
5972 shuffleOpenings = TRUE;
5975 case VariantShatranj:
5976 pieces = ShatranjArray;
5977 nrCastlingRights = 0;
5978 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5981 pieces = makrukArray;
5982 nrCastlingRights = 0;
5983 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5986 pieces = aseanArray;
5987 nrCastlingRights = 0;
5988 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5990 case VariantTwoKings:
5991 pieces = twoKingsArray;
5994 pieces = GrandArray;
5995 nrCastlingRights = 0;
5996 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5997 gameInfo.boardWidth = 10;
5998 gameInfo.boardHeight = 10;
5999 gameInfo.holdingsSize = 7;
6001 case VariantCapaRandom:
6002 shuffleOpenings = TRUE;
6003 case VariantCapablanca:
6004 pieces = CapablancaArray;
6005 gameInfo.boardWidth = 10;
6006 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6009 pieces = GothicArray;
6010 gameInfo.boardWidth = 10;
6011 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6014 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6015 gameInfo.holdingsSize = 7;
6016 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6019 pieces = JanusArray;
6020 gameInfo.boardWidth = 10;
6021 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6022 nrCastlingRights = 6;
6023 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6024 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6025 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6026 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6027 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6028 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6031 pieces = FalconArray;
6032 gameInfo.boardWidth = 10;
6033 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6035 case VariantXiangqi:
6036 pieces = XiangqiArray;
6037 gameInfo.boardWidth = 9;
6038 gameInfo.boardHeight = 10;
6039 nrCastlingRights = 0;
6040 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6043 pieces = ShogiArray;
6044 gameInfo.boardWidth = 9;
6045 gameInfo.boardHeight = 9;
6046 gameInfo.holdingsSize = 7;
6047 nrCastlingRights = 0;
6048 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6051 pieces = ChuArray; pieceRows = 3;
6052 gameInfo.boardWidth = 12;
6053 gameInfo.boardHeight = 12;
6054 nrCastlingRights = 0;
6055 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6056 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6058 case VariantCourier:
6059 pieces = CourierArray;
6060 gameInfo.boardWidth = 12;
6061 nrCastlingRights = 0;
6062 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6064 case VariantKnightmate:
6065 pieces = KnightmateArray;
6066 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6068 case VariantSpartan:
6069 pieces = SpartanArray;
6070 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6074 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6076 case VariantChuChess:
6077 pieces = ChuChessArray;
6078 gameInfo.boardWidth = 10;
6079 gameInfo.boardHeight = 10;
6080 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6083 pieces = fairyArray;
6084 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6087 pieces = GreatArray;
6088 gameInfo.boardWidth = 10;
6089 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6090 gameInfo.holdingsSize = 8;
6094 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6095 gameInfo.holdingsSize = 8;
6096 startedFromSetupPosition = TRUE;
6098 case VariantCrazyhouse:
6099 case VariantBughouse:
6101 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6102 gameInfo.holdingsSize = 5;
6104 case VariantWildCastle:
6106 /* !!?shuffle with kings guaranteed to be on d or e file */
6107 shuffleOpenings = 1;
6109 case VariantNoCastle:
6111 nrCastlingRights = 0;
6112 /* !!?unconstrained back-rank shuffle */
6113 shuffleOpenings = 1;
6118 if(appData.NrFiles >= 0) {
6119 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6120 gameInfo.boardWidth = appData.NrFiles;
6122 if(appData.NrRanks >= 0) {
6123 gameInfo.boardHeight = appData.NrRanks;
6125 if(appData.holdingsSize >= 0) {
6126 i = appData.holdingsSize;
6127 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6128 gameInfo.holdingsSize = i;
6130 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6131 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6132 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6134 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6135 if(pawnRow < 1) pawnRow = 1;
6136 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6137 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6138 if(gameInfo.variant == VariantChu) pawnRow = 3;
6140 /* User pieceToChar list overrules defaults */
6141 if(appData.pieceToCharTable != NULL)
6142 SetCharTable(pieceToChar, appData.pieceToCharTable);
6144 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6146 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6147 s = (ChessSquare) 0; /* account holding counts in guard band */
6148 for( i=0; i<BOARD_HEIGHT; i++ )
6149 initialPosition[i][j] = s;
6151 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6152 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6153 initialPosition[pawnRow][j] = WhitePawn;
6154 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6155 if(gameInfo.variant == VariantXiangqi) {
6157 initialPosition[pawnRow][j] =
6158 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6159 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6160 initialPosition[2][j] = WhiteCannon;
6161 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6165 if(gameInfo.variant == VariantChu) {
6166 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6167 initialPosition[pawnRow+1][j] = WhiteCobra,
6168 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6169 for(i=1; i<pieceRows; i++) {
6170 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6171 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6174 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6175 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6176 initialPosition[0][j] = WhiteRook;
6177 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6180 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6182 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6183 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6186 initialPosition[1][j] = WhiteBishop;
6187 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6189 initialPosition[1][j] = WhiteRook;
6190 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6193 if( nrCastlingRights == -1) {
6194 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6195 /* This sets default castling rights from none to normal corners */
6196 /* Variants with other castling rights must set them themselves above */
6197 nrCastlingRights = 6;
6199 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6200 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6201 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6202 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6203 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6204 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6207 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6208 if(gameInfo.variant == VariantGreat) { // promotion commoners
6209 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6210 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6211 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6212 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6214 if( gameInfo.variant == VariantSChess ) {
6215 initialPosition[1][0] = BlackMarshall;
6216 initialPosition[2][0] = BlackAngel;
6217 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6218 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6219 initialPosition[1][1] = initialPosition[2][1] =
6220 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6222 if (appData.debugMode) {
6223 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6225 if(shuffleOpenings) {
6226 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6227 startedFromSetupPosition = TRUE;
6229 if(startedFromPositionFile) {
6230 /* [HGM] loadPos: use PositionFile for every new game */
6231 CopyBoard(initialPosition, filePosition);
6232 for(i=0; i<nrCastlingRights; i++)
6233 initialRights[i] = filePosition[CASTLING][i];
6234 startedFromSetupPosition = TRUE;
6237 CopyBoard(boards[0], initialPosition);
6239 if(oldx != gameInfo.boardWidth ||
6240 oldy != gameInfo.boardHeight ||
6241 oldv != gameInfo.variant ||
6242 oldh != gameInfo.holdingsWidth
6244 InitDrawingSizes(-2 ,0);
6246 oldv = gameInfo.variant;
6248 DrawPosition(TRUE, boards[currentMove]);
6252 SendBoard (ChessProgramState *cps, int moveNum)
6254 char message[MSG_SIZ];
6256 if (cps->useSetboard) {
6257 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6258 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6259 SendToProgram(message, cps);
6264 int i, j, left=0, right=BOARD_WIDTH;
6265 /* Kludge to set black to move, avoiding the troublesome and now
6266 * deprecated "black" command.
6268 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6269 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6271 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6273 SendToProgram("edit\n", cps);
6274 SendToProgram("#\n", cps);
6275 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6276 bp = &boards[moveNum][i][left];
6277 for (j = left; j < right; j++, bp++) {
6278 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6279 if ((int) *bp < (int) BlackPawn) {
6280 if(j == BOARD_RGHT+1)
6281 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6282 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6283 if(message[0] == '+' || message[0] == '~') {
6284 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6285 PieceToChar((ChessSquare)(DEMOTED *bp)),
6288 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6289 message[1] = BOARD_RGHT - 1 - j + '1';
6290 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6292 SendToProgram(message, cps);
6297 SendToProgram("c\n", cps);
6298 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6299 bp = &boards[moveNum][i][left];
6300 for (j = left; j < right; j++, bp++) {
6301 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6302 if (((int) *bp != (int) EmptySquare)
6303 && ((int) *bp >= (int) BlackPawn)) {
6304 if(j == BOARD_LEFT-2)
6305 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6306 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6308 if(message[0] == '+' || message[0] == '~') {
6309 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6310 PieceToChar((ChessSquare)(DEMOTED *bp)),
6313 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6314 message[1] = BOARD_RGHT - 1 - j + '1';
6315 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6317 SendToProgram(message, cps);
6322 SendToProgram(".\n", cps);
6324 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6327 char exclusionHeader[MSG_SIZ];
6328 int exCnt, excludePtr;
6329 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6330 static Exclusion excluTab[200];
6331 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6337 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6338 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6344 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6345 excludePtr = 24; exCnt = 0;
6350 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6351 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6352 char buf[2*MOVE_LEN], *p;
6353 Exclusion *e = excluTab;
6355 for(i=0; i<exCnt; i++)
6356 if(e[i].ff == fromX && e[i].fr == fromY &&
6357 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6358 if(i == exCnt) { // was not in exclude list; add it
6359 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6360 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6361 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6364 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6365 excludePtr++; e[i].mark = excludePtr++;
6366 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6369 exclusionHeader[e[i].mark] = state;
6373 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6374 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6378 if((signed char)promoChar == -1) { // kludge to indicate best move
6379 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6380 return 1; // if unparsable, abort
6382 // update exclusion map (resolving toggle by consulting existing state)
6383 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6385 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6386 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6387 excludeMap[k] |= 1<<j;
6388 else excludeMap[k] &= ~(1<<j);
6390 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6392 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6393 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6395 return (state == '+');
6399 ExcludeClick (int index)
6402 Exclusion *e = excluTab;
6403 if(index < 25) { // none, best or tail clicked
6404 if(index < 13) { // none: include all
6405 WriteMap(0); // clear map
6406 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6407 SendToBoth("include all\n"); // and inform engine
6408 } else if(index > 18) { // tail
6409 if(exclusionHeader[19] == '-') { // tail was excluded
6410 SendToBoth("include all\n");
6411 WriteMap(0); // clear map completely
6412 // now re-exclude selected moves
6413 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6414 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6415 } else { // tail was included or in mixed state
6416 SendToBoth("exclude all\n");
6417 WriteMap(0xFF); // fill map completely
6418 // now re-include selected moves
6419 j = 0; // count them
6420 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6421 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6422 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6425 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6428 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6429 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6430 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6437 DefaultPromoChoice (int white)
6440 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6441 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6442 result = WhiteFerz; // no choice
6443 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6444 result= WhiteKing; // in Suicide Q is the last thing we want
6445 else if(gameInfo.variant == VariantSpartan)
6446 result = white ? WhiteQueen : WhiteAngel;
6447 else result = WhiteQueen;
6448 if(!white) result = WHITE_TO_BLACK result;
6452 static int autoQueen; // [HGM] oneclick
6455 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6457 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6458 /* [HGM] add Shogi promotions */
6459 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6464 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6465 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6467 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6468 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6471 piece = boards[currentMove][fromY][fromX];
6472 if(gameInfo.variant == VariantChu) {
6473 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6474 promotionZoneSize = BOARD_HEIGHT/3;
6475 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6476 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6477 promotionZoneSize = BOARD_HEIGHT/3;
6478 highestPromotingPiece = (int)WhiteAlfil;
6479 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6480 promotionZoneSize = 3;
6483 // Treat Lance as Pawn when it is not representing Amazon
6484 if(gameInfo.variant != VariantSuper) {
6485 if(piece == WhiteLance) piece = WhitePawn; else
6486 if(piece == BlackLance) piece = BlackPawn;
6489 // next weed out all moves that do not touch the promotion zone at all
6490 if((int)piece >= BlackPawn) {
6491 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6493 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6494 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6496 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6497 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6498 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6502 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6504 // weed out mandatory Shogi promotions
6505 if(gameInfo.variant == VariantShogi) {
6506 if(piece >= BlackPawn) {
6507 if(toY == 0 && piece == BlackPawn ||
6508 toY == 0 && piece == BlackQueen ||
6509 toY <= 1 && piece == BlackKnight) {
6514 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6515 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6516 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6523 // weed out obviously illegal Pawn moves
6524 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6525 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6526 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6527 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6528 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6529 // note we are not allowed to test for valid (non-)capture, due to premove
6532 // we either have a choice what to promote to, or (in Shogi) whether to promote
6533 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6534 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6535 *promoChoice = PieceToChar(BlackFerz); // no choice
6538 // no sense asking what we must promote to if it is going to explode...
6539 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6540 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6543 // give caller the default choice even if we will not make it
6544 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6545 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6546 if(gameInfo.variant == VariantChuChess) *promoChoice = (piece == WhitePawn || piece == BlackPawn ? 'q' : '+');
6547 if( sweepSelect && gameInfo.variant != VariantGreat
6548 && gameInfo.variant != VariantGrand
6549 && gameInfo.variant != VariantSuper) return FALSE;
6550 if(autoQueen) return FALSE; // predetermined
6552 // suppress promotion popup on illegal moves that are not premoves
6553 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6554 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6555 if(appData.testLegality && !premove) {
6556 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6557 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6558 if(moveType != WhitePromotion && moveType != BlackPromotion)
6566 InPalace (int row, int column)
6567 { /* [HGM] for Xiangqi */
6568 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6569 column < (BOARD_WIDTH + 4)/2 &&
6570 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6575 PieceForSquare (int x, int y)
6577 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6580 return boards[currentMove][y][x];
6584 OKToStartUserMove (int x, int y)
6586 ChessSquare from_piece;
6589 if (matchMode) return FALSE;
6590 if (gameMode == EditPosition) return TRUE;
6592 if (x >= 0 && y >= 0)
6593 from_piece = boards[currentMove][y][x];
6595 from_piece = EmptySquare;
6597 if (from_piece == EmptySquare) return FALSE;
6599 white_piece = (int)from_piece >= (int)WhitePawn &&
6600 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6604 case TwoMachinesPlay:
6612 case MachinePlaysWhite:
6613 case IcsPlayingBlack:
6614 if (appData.zippyPlay) return FALSE;
6616 DisplayMoveError(_("You are playing Black"));
6621 case MachinePlaysBlack:
6622 case IcsPlayingWhite:
6623 if (appData.zippyPlay) return FALSE;
6625 DisplayMoveError(_("You are playing White"));
6630 case PlayFromGameFile:
6631 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6633 if (!white_piece && WhiteOnMove(currentMove)) {
6634 DisplayMoveError(_("It is White's turn"));
6637 if (white_piece && !WhiteOnMove(currentMove)) {
6638 DisplayMoveError(_("It is Black's turn"));
6641 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6642 /* Editing correspondence game history */
6643 /* Could disallow this or prompt for confirmation */
6648 case BeginningOfGame:
6649 if (appData.icsActive) return FALSE;
6650 if (!appData.noChessProgram) {
6652 DisplayMoveError(_("You are playing White"));
6659 if (!white_piece && WhiteOnMove(currentMove)) {
6660 DisplayMoveError(_("It is White's turn"));
6663 if (white_piece && !WhiteOnMove(currentMove)) {
6664 DisplayMoveError(_("It is Black's turn"));
6673 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6674 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6675 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6676 && gameMode != AnalyzeFile && gameMode != Training) {
6677 DisplayMoveError(_("Displayed position is not current"));
6684 OnlyMove (int *x, int *y, Boolean captures)
6686 DisambiguateClosure cl;
6687 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6689 case MachinePlaysBlack:
6690 case IcsPlayingWhite:
6691 case BeginningOfGame:
6692 if(!WhiteOnMove(currentMove)) return FALSE;
6694 case MachinePlaysWhite:
6695 case IcsPlayingBlack:
6696 if(WhiteOnMove(currentMove)) return FALSE;
6703 cl.pieceIn = EmptySquare;
6708 cl.promoCharIn = NULLCHAR;
6709 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6710 if( cl.kind == NormalMove ||
6711 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6712 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6713 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6720 if(cl.kind != ImpossibleMove) return FALSE;
6721 cl.pieceIn = EmptySquare;
6726 cl.promoCharIn = NULLCHAR;
6727 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6728 if( cl.kind == NormalMove ||
6729 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6730 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6731 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6736 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6742 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6743 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6744 int lastLoadGameUseList = FALSE;
6745 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6746 ChessMove lastLoadGameStart = EndOfFile;
6750 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6754 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6756 /* Check if the user is playing in turn. This is complicated because we
6757 let the user "pick up" a piece before it is his turn. So the piece he
6758 tried to pick up may have been captured by the time he puts it down!
6759 Therefore we use the color the user is supposed to be playing in this
6760 test, not the color of the piece that is currently on the starting
6761 square---except in EditGame mode, where the user is playing both
6762 sides; fortunately there the capture race can't happen. (It can
6763 now happen in IcsExamining mode, but that's just too bad. The user
6764 will get a somewhat confusing message in that case.)
6769 case TwoMachinesPlay:
6773 /* We switched into a game mode where moves are not accepted,
6774 perhaps while the mouse button was down. */
6777 case MachinePlaysWhite:
6778 /* User is moving for Black */
6779 if (WhiteOnMove(currentMove)) {
6780 DisplayMoveError(_("It is White's turn"));
6785 case MachinePlaysBlack:
6786 /* User is moving for White */
6787 if (!WhiteOnMove(currentMove)) {
6788 DisplayMoveError(_("It is Black's turn"));
6793 case PlayFromGameFile:
6794 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6797 case BeginningOfGame:
6800 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6801 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6802 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6803 /* User is moving for Black */
6804 if (WhiteOnMove(currentMove)) {
6805 DisplayMoveError(_("It is White's turn"));
6809 /* User is moving for White */
6810 if (!WhiteOnMove(currentMove)) {
6811 DisplayMoveError(_("It is Black's turn"));
6817 case IcsPlayingBlack:
6818 /* User is moving for Black */
6819 if (WhiteOnMove(currentMove)) {
6820 if (!appData.premove) {
6821 DisplayMoveError(_("It is White's turn"));
6822 } else if (toX >= 0 && toY >= 0) {
6825 premoveFromX = fromX;
6826 premoveFromY = fromY;
6827 premovePromoChar = promoChar;
6829 if (appData.debugMode)
6830 fprintf(debugFP, "Got premove: fromX %d,"
6831 "fromY %d, toX %d, toY %d\n",
6832 fromX, fromY, toX, toY);
6838 case IcsPlayingWhite:
6839 /* User is moving for White */
6840 if (!WhiteOnMove(currentMove)) {
6841 if (!appData.premove) {
6842 DisplayMoveError(_("It is Black's turn"));
6843 } else if (toX >= 0 && toY >= 0) {
6846 premoveFromX = fromX;
6847 premoveFromY = fromY;
6848 premovePromoChar = promoChar;
6850 if (appData.debugMode)
6851 fprintf(debugFP, "Got premove: fromX %d,"
6852 "fromY %d, toX %d, toY %d\n",
6853 fromX, fromY, toX, toY);
6863 /* EditPosition, empty square, or different color piece;
6864 click-click move is possible */
6865 if (toX == -2 || toY == -2) {
6866 boards[0][fromY][fromX] = EmptySquare;
6867 DrawPosition(FALSE, boards[currentMove]);
6869 } else if (toX >= 0 && toY >= 0) {
6870 boards[0][toY][toX] = boards[0][fromY][fromX];
6871 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6872 if(boards[0][fromY][0] != EmptySquare) {
6873 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6874 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6877 if(fromX == BOARD_RGHT+1) {
6878 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6879 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6880 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6883 boards[0][fromY][fromX] = gatingPiece;
6884 DrawPosition(FALSE, boards[currentMove]);
6890 if(toX < 0 || toY < 0) return;
6891 pup = boards[currentMove][toY][toX];
6893 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6894 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6895 if( pup != EmptySquare ) return;
6896 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6897 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6898 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6899 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6900 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6901 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6902 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6906 /* [HGM] always test for legality, to get promotion info */
6907 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6908 fromY, fromX, toY, toX, promoChar);
6910 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6912 /* [HGM] but possibly ignore an IllegalMove result */
6913 if (appData.testLegality) {
6914 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6915 DisplayMoveError(_("Illegal move"));
6920 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6921 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6922 ClearPremoveHighlights(); // was included
6923 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6927 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6930 /* Common tail of UserMoveEvent and DropMenuEvent */
6932 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6936 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6937 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6938 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6939 if(WhiteOnMove(currentMove)) {
6940 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6942 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6946 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6947 move type in caller when we know the move is a legal promotion */
6948 if(moveType == NormalMove && promoChar)
6949 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6951 /* [HGM] <popupFix> The following if has been moved here from
6952 UserMoveEvent(). Because it seemed to belong here (why not allow
6953 piece drops in training games?), and because it can only be
6954 performed after it is known to what we promote. */
6955 if (gameMode == Training) {
6956 /* compare the move played on the board to the next move in the
6957 * game. If they match, display the move and the opponent's response.
6958 * If they don't match, display an error message.
6962 CopyBoard(testBoard, boards[currentMove]);
6963 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6965 if (CompareBoards(testBoard, boards[currentMove+1])) {
6966 ForwardInner(currentMove+1);
6968 /* Autoplay the opponent's response.
6969 * if appData.animate was TRUE when Training mode was entered,
6970 * the response will be animated.
6972 saveAnimate = appData.animate;
6973 appData.animate = animateTraining;
6974 ForwardInner(currentMove+1);
6975 appData.animate = saveAnimate;
6977 /* check for the end of the game */
6978 if (currentMove >= forwardMostMove) {
6979 gameMode = PlayFromGameFile;
6981 SetTrainingModeOff();
6982 DisplayInformation(_("End of game"));
6985 DisplayError(_("Incorrect move"), 0);
6990 /* Ok, now we know that the move is good, so we can kill
6991 the previous line in Analysis Mode */
6992 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6993 && currentMove < forwardMostMove) {
6994 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6995 else forwardMostMove = currentMove;
7000 /* If we need the chess program but it's dead, restart it */
7001 ResurrectChessProgram();
7003 /* A user move restarts a paused game*/
7007 thinkOutput[0] = NULLCHAR;
7009 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7011 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7012 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7016 if (gameMode == BeginningOfGame) {
7017 if (appData.noChessProgram) {
7018 gameMode = EditGame;
7022 gameMode = MachinePlaysBlack;
7025 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7027 if (first.sendName) {
7028 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7029 SendToProgram(buf, &first);
7036 /* Relay move to ICS or chess engine */
7037 if (appData.icsActive) {
7038 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7039 gameMode == IcsExamining) {
7040 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7041 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7043 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7045 // also send plain move, in case ICS does not understand atomic claims
7046 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7050 if (first.sendTime && (gameMode == BeginningOfGame ||
7051 gameMode == MachinePlaysWhite ||
7052 gameMode == MachinePlaysBlack)) {
7053 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7055 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7056 // [HGM] book: if program might be playing, let it use book
7057 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7058 first.maybeThinking = TRUE;
7059 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7060 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7061 SendBoard(&first, currentMove+1);
7062 if(second.analyzing) {
7063 if(!second.useSetboard) SendToProgram("undo\n", &second);
7064 SendBoard(&second, currentMove+1);
7067 SendMoveToProgram(forwardMostMove-1, &first);
7068 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7070 if (currentMove == cmailOldMove + 1) {
7071 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7075 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7079 if(appData.testLegality)
7080 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7086 if (WhiteOnMove(currentMove)) {
7087 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7089 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7093 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7098 case MachinePlaysBlack:
7099 case MachinePlaysWhite:
7100 /* disable certain menu options while machine is thinking */
7101 SetMachineThinkingEnables();
7108 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7109 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7111 if(bookHit) { // [HGM] book: simulate book reply
7112 static char bookMove[MSG_SIZ]; // a bit generous?
7114 programStats.nodes = programStats.depth = programStats.time =
7115 programStats.score = programStats.got_only_move = 0;
7116 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7118 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7119 strcat(bookMove, bookHit);
7120 HandleMachineMove(bookMove, &first);
7126 MarkByFEN(char *fen)
7129 if(!appData.markers || !appData.highlightDragging) return;
7130 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7131 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7135 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7136 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7137 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7138 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7139 if(*fen == 'T') marker[r][f++] = 0; else
7140 if(*fen == 'Y') marker[r][f++] = 1; else
7141 if(*fen == 'G') marker[r][f++] = 3; else
7142 if(*fen == 'B') marker[r][f++] = 4; else
7143 if(*fen == 'C') marker[r][f++] = 5; else
7144 if(*fen == 'M') marker[r][f++] = 6; else
7145 if(*fen == 'W') marker[r][f++] = 7; else
7146 if(*fen == 'D') marker[r][f++] = 8; else
7147 if(*fen == 'R') marker[r][f++] = 2; else {
7148 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7151 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7155 DrawPosition(TRUE, NULL);
7158 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7161 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7163 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7164 Markers *m = (Markers *) closure;
7165 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7166 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7167 || kind == WhiteCapturesEnPassant
7168 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7169 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7173 MarkTargetSquares (int clear)
7176 if(clear) { // no reason to ever suppress clearing
7177 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = baseMarker[y][x] = 0;
7178 if(!sum) return; // nothing was cleared,no redraw needed
7181 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7182 !appData.testLegality || gameMode == EditPosition) return;
7183 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7184 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7185 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7187 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7190 DrawPosition(FALSE, NULL);
7194 Explode (Board board, int fromX, int fromY, int toX, int toY)
7196 if(gameInfo.variant == VariantAtomic &&
7197 (board[toY][toX] != EmptySquare || // capture?
7198 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7199 board[fromY][fromX] == BlackPawn )
7201 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7207 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7210 CanPromote (ChessSquare piece, int y)
7212 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7213 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7214 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7215 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7216 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7217 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7218 return (piece == BlackPawn && y == 1 ||
7219 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7220 piece == BlackLance && y == 1 ||
7221 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7225 HoverEvent (int xPix, int yPix, int x, int y)
7227 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7229 if(!first.highlight) return;
7230 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7231 if(x == oldX && y == oldY) return; // only do something if we enter new square
7232 oldFromX = fromX; oldFromY = fromY;
7233 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) // record markings after from-change
7234 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7235 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7236 else if(oldX != x || oldY != y) {
7237 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7238 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7239 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7240 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7242 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7243 SendToProgram(buf, &first);
7246 // SetHighlights(fromX, fromY, x, y);
7250 void ReportClick(char *action, int x, int y)
7252 char buf[MSG_SIZ]; // Inform engine of what user does
7254 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7255 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7256 if(!first.highlight || gameMode == EditPosition) return;
7257 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7258 SendToProgram(buf, &first);
7262 LeftClick (ClickType clickType, int xPix, int yPix)
7265 Boolean saveAnimate;
7266 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7267 char promoChoice = NULLCHAR;
7269 static TimeMark lastClickTime, prevClickTime;
7271 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7273 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7275 if (clickType == Press) ErrorPopDown();
7276 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7278 x = EventToSquare(xPix, BOARD_WIDTH);
7279 y = EventToSquare(yPix, BOARD_HEIGHT);
7280 if (!flipView && y >= 0) {
7281 y = BOARD_HEIGHT - 1 - y;
7283 if (flipView && x >= 0) {
7284 x = BOARD_WIDTH - 1 - x;
7287 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7288 defaultPromoChoice = promoSweep;
7289 promoSweep = EmptySquare; // terminate sweep
7290 promoDefaultAltered = TRUE;
7291 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7294 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7295 if(clickType == Release) return; // ignore upclick of click-click destination
7296 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7297 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7298 if(gameInfo.holdingsWidth &&
7299 (WhiteOnMove(currentMove)
7300 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7301 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7302 // click in right holdings, for determining promotion piece
7303 ChessSquare p = boards[currentMove][y][x];
7304 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7305 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7306 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7307 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7312 DrawPosition(FALSE, boards[currentMove]);
7316 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7317 if(clickType == Press
7318 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7319 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7320 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7323 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7324 // could be static click on premove from-square: abort premove
7326 ClearPremoveHighlights();
7329 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7330 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7332 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7333 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7334 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7335 defaultPromoChoice = DefaultPromoChoice(side);
7338 autoQueen = appData.alwaysPromoteToQueen;
7342 gatingPiece = EmptySquare;
7343 if (clickType != Press) {
7344 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7345 DragPieceEnd(xPix, yPix); dragging = 0;
7346 DrawPosition(FALSE, NULL);
7350 doubleClick = FALSE;
7351 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7352 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7354 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7355 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7356 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7357 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7359 if (OKToStartUserMove(fromX, fromY)) {
7361 ReportClick("lift", x, y);
7362 MarkTargetSquares(0);
7363 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7364 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7365 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7366 promoSweep = defaultPromoChoice;
7367 selectFlag = 0; lastX = xPix; lastY = yPix;
7368 Sweep(0); // Pawn that is going to promote: preview promotion piece
7369 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7371 if (appData.highlightDragging) {
7372 SetHighlights(fromX, fromY, -1, -1);
7376 } else fromX = fromY = -1;
7382 if (clickType == Press && gameMode != EditPosition) {
7387 // ignore off-board to clicks
7388 if(y < 0 || x < 0) return;
7390 /* Check if clicking again on the same color piece */
7391 fromP = boards[currentMove][fromY][fromX];
7392 toP = boards[currentMove][y][x];
7393 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7394 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7395 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7396 WhitePawn <= toP && toP <= WhiteKing &&
7397 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7398 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7399 (BlackPawn <= fromP && fromP <= BlackKing &&
7400 BlackPawn <= toP && toP <= BlackKing &&
7401 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7402 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7403 /* Clicked again on same color piece -- changed his mind */
7404 second = (x == fromX && y == fromY);
7406 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7407 second = FALSE; // first double-click rather than scond click
7408 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7410 promoDefaultAltered = FALSE;
7411 MarkTargetSquares(1);
7412 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7413 if (appData.highlightDragging) {
7414 SetHighlights(x, y, -1, -1);
7418 if (OKToStartUserMove(x, y)) {
7419 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7420 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7421 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7422 gatingPiece = boards[currentMove][fromY][fromX];
7423 else gatingPiece = doubleClick ? fromP : EmptySquare;
7425 fromY = y; dragging = 1;
7426 ReportClick("lift", x, y);
7427 MarkTargetSquares(0);
7428 DragPieceBegin(xPix, yPix, FALSE);
7429 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7430 promoSweep = defaultPromoChoice;
7431 selectFlag = 0; lastX = xPix; lastY = yPix;
7432 Sweep(0); // Pawn that is going to promote: preview promotion piece
7436 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7439 // ignore clicks on holdings
7440 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7443 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7444 DragPieceEnd(xPix, yPix); dragging = 0;
7446 // a deferred attempt to click-click move an empty square on top of a piece
7447 boards[currentMove][y][x] = EmptySquare;
7449 DrawPosition(FALSE, boards[currentMove]);
7450 fromX = fromY = -1; clearFlag = 0;
7453 if (appData.animateDragging) {
7454 /* Undo animation damage if any */
7455 DrawPosition(FALSE, NULL);
7457 if (second || sweepSelecting) {
7458 /* Second up/down in same square; just abort move */
7459 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7460 second = sweepSelecting = 0;
7462 gatingPiece = EmptySquare;
7463 MarkTargetSquares(1);
7466 ClearPremoveHighlights();
7468 /* First upclick in same square; start click-click mode */
7469 SetHighlights(x, y, -1, -1);
7476 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7477 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7478 DisplayMessage(_("only marked squares are legal"),"");
7479 DrawPosition(TRUE, NULL);
7480 return; // ignore to-click
7483 /* we now have a different from- and (possibly off-board) to-square */
7484 /* Completed move */
7485 if(!sweepSelecting) {
7490 saveAnimate = appData.animate;
7491 if (clickType == Press) {
7492 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7493 // must be Edit Position mode with empty-square selected
7494 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7495 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7498 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7501 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7502 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7504 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7505 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7506 if(appData.sweepSelect) {
7507 ChessSquare piece = boards[currentMove][fromY][fromX];
7508 promoSweep = defaultPromoChoice;
7509 if(PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7510 selectFlag = 0; lastX = xPix; lastY = yPix;
7511 Sweep(0); // Pawn that is going to promote: preview promotion piece
7513 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7514 MarkTargetSquares(1);
7516 return; // promo popup appears on up-click
7518 /* Finish clickclick move */
7519 if (appData.animate || appData.highlightLastMove) {
7520 SetHighlights(fromX, fromY, toX, toY);
7524 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7526 if (appData.animate || appData.highlightLastMove) {
7527 SetHighlights(fromX, fromY, toX, toY);
7533 // [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
7534 /* Finish drag move */
7535 if (appData.highlightLastMove) {
7536 SetHighlights(fromX, fromY, toX, toY);
7541 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7542 dragging *= 2; // flag button-less dragging if we are dragging
7543 MarkTargetSquares(1);
7544 if(x == killX && y == killY) killX = killY = -1; else {
7545 killX = x; killY = y; //remeber this square as intermediate
7546 ReportClick("put", x, y); // and inform engine
7547 ReportClick("lift", x, y);
7548 MarkTargetSquares(0);
7552 DragPieceEnd(xPix, yPix); dragging = 0;
7553 /* Don't animate move and drag both */
7554 appData.animate = FALSE;
7557 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7558 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7559 ChessSquare piece = boards[currentMove][fromY][fromX];
7560 if(gameMode == EditPosition && piece != EmptySquare &&
7561 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7564 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7565 n = PieceToNumber(piece - (int)BlackPawn);
7566 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7567 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7568 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7570 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7571 n = PieceToNumber(piece);
7572 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7573 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7574 boards[currentMove][n][BOARD_WIDTH-2]++;
7576 boards[currentMove][fromY][fromX] = EmptySquare;
7580 MarkTargetSquares(1);
7581 DrawPosition(TRUE, boards[currentMove]);
7585 // off-board moves should not be highlighted
7586 if(x < 0 || y < 0) ClearHighlights();
7587 else ReportClick("put", x, y);
7589 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7591 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7592 SetHighlights(fromX, fromY, toX, toY);
7593 MarkTargetSquares(1);
7594 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7595 // [HGM] super: promotion to captured piece selected from holdings
7596 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7597 promotionChoice = TRUE;
7598 // kludge follows to temporarily execute move on display, without promoting yet
7599 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7600 boards[currentMove][toY][toX] = p;
7601 DrawPosition(FALSE, boards[currentMove]);
7602 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7603 boards[currentMove][toY][toX] = q;
7604 DisplayMessage("Click in holdings to choose piece", "");
7609 int oldMove = currentMove;
7610 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7611 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7612 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7613 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7614 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7615 DrawPosition(TRUE, boards[currentMove]);
7616 MarkTargetSquares(1);
7619 appData.animate = saveAnimate;
7620 if (appData.animate || appData.animateDragging) {
7621 /* Undo animation damage if needed */
7622 DrawPosition(FALSE, NULL);
7627 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7628 { // front-end-free part taken out of PieceMenuPopup
7629 int whichMenu; int xSqr, ySqr;
7631 if(seekGraphUp) { // [HGM] seekgraph
7632 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7633 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7637 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7638 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7639 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7640 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7641 if(action == Press) {
7642 originalFlip = flipView;
7643 flipView = !flipView; // temporarily flip board to see game from partners perspective
7644 DrawPosition(TRUE, partnerBoard);
7645 DisplayMessage(partnerStatus, "");
7647 } else if(action == Release) {
7648 flipView = originalFlip;
7649 DrawPosition(TRUE, boards[currentMove]);
7655 xSqr = EventToSquare(x, BOARD_WIDTH);
7656 ySqr = EventToSquare(y, BOARD_HEIGHT);
7657 if (action == Release) {
7658 if(pieceSweep != EmptySquare) {
7659 EditPositionMenuEvent(pieceSweep, toX, toY);
7660 pieceSweep = EmptySquare;
7661 } else UnLoadPV(); // [HGM] pv
7663 if (action != Press) return -2; // return code to be ignored
7666 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7668 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7669 if (xSqr < 0 || ySqr < 0) return -1;
7670 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7671 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7672 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7673 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7677 if(!appData.icsEngineAnalyze) return -1;
7678 case IcsPlayingWhite:
7679 case IcsPlayingBlack:
7680 if(!appData.zippyPlay) goto noZip;
7683 case MachinePlaysWhite:
7684 case MachinePlaysBlack:
7685 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7686 if (!appData.dropMenu) {
7688 return 2; // flag front-end to grab mouse events
7690 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7691 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7694 if (xSqr < 0 || ySqr < 0) return -1;
7695 if (!appData.dropMenu || appData.testLegality &&
7696 gameInfo.variant != VariantBughouse &&
7697 gameInfo.variant != VariantCrazyhouse) return -1;
7698 whichMenu = 1; // drop menu
7704 if (((*fromX = xSqr) < 0) ||
7705 ((*fromY = ySqr) < 0)) {
7706 *fromX = *fromY = -1;
7710 *fromX = BOARD_WIDTH - 1 - *fromX;
7712 *fromY = BOARD_HEIGHT - 1 - *fromY;
7718 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7720 // char * hint = lastHint;
7721 FrontEndProgramStats stats;
7723 stats.which = cps == &first ? 0 : 1;
7724 stats.depth = cpstats->depth;
7725 stats.nodes = cpstats->nodes;
7726 stats.score = cpstats->score;
7727 stats.time = cpstats->time;
7728 stats.pv = cpstats->movelist;
7729 stats.hint = lastHint;
7730 stats.an_move_index = 0;
7731 stats.an_move_count = 0;
7733 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7734 stats.hint = cpstats->move_name;
7735 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7736 stats.an_move_count = cpstats->nr_moves;
7739 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
7741 SetProgramStats( &stats );
7745 ClearEngineOutputPane (int which)
7747 static FrontEndProgramStats dummyStats;
7748 dummyStats.which = which;
7749 dummyStats.pv = "#";
7750 SetProgramStats( &dummyStats );
7753 #define MAXPLAYERS 500
7756 TourneyStandings (int display)
7758 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7759 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7760 char result, *p, *names[MAXPLAYERS];
7762 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7763 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7764 names[0] = p = strdup(appData.participants);
7765 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7767 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7769 while(result = appData.results[nr]) {
7770 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7771 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7772 wScore = bScore = 0;
7774 case '+': wScore = 2; break;
7775 case '-': bScore = 2; break;
7776 case '=': wScore = bScore = 1; break;
7778 case '*': return strdup("busy"); // tourney not finished
7786 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7787 for(w=0; w<nPlayers; w++) {
7789 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7790 ranking[w] = b; points[w] = bScore; score[b] = -2;
7792 p = malloc(nPlayers*34+1);
7793 for(w=0; w<nPlayers && w<display; w++)
7794 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7800 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7801 { // count all piece types
7803 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7804 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7805 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7808 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7809 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7810 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7811 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7812 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7813 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7818 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7820 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7821 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7823 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7824 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7825 if(myPawns == 2 && nMine == 3) // KPP
7826 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7827 if(myPawns == 1 && nMine == 2) // KP
7828 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7829 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7830 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7831 if(myPawns) return FALSE;
7832 if(pCnt[WhiteRook+side])
7833 return pCnt[BlackRook-side] ||
7834 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7835 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7836 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7837 if(pCnt[WhiteCannon+side]) {
7838 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7839 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7841 if(pCnt[WhiteKnight+side])
7842 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7847 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7849 VariantClass v = gameInfo.variant;
7851 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7852 if(v == VariantShatranj) return TRUE; // always winnable through baring
7853 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7854 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7856 if(v == VariantXiangqi) {
7857 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7859 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7860 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7861 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7862 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7863 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7864 if(stale) // we have at least one last-rank P plus perhaps C
7865 return majors // KPKX
7866 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7868 return pCnt[WhiteFerz+side] // KCAK
7869 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7870 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7871 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7873 } else if(v == VariantKnightmate) {
7874 if(nMine == 1) return FALSE;
7875 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7876 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7877 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7879 if(nMine == 1) return FALSE; // bare King
7880 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
7881 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7882 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7883 // by now we have King + 1 piece (or multiple Bishops on the same color)
7884 if(pCnt[WhiteKnight+side])
7885 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7886 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7887 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7889 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7890 if(pCnt[WhiteAlfil+side])
7891 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7892 if(pCnt[WhiteWazir+side])
7893 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7900 CompareWithRights (Board b1, Board b2)
7903 if(!CompareBoards(b1, b2)) return FALSE;
7904 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7905 /* compare castling rights */
7906 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7907 rights++; /* King lost rights, while rook still had them */
7908 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7909 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7910 rights++; /* but at least one rook lost them */
7912 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7914 if( b1[CASTLING][5] != NoRights ) {
7915 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7922 Adjudicate (ChessProgramState *cps)
7923 { // [HGM] some adjudications useful with buggy engines
7924 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7925 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7926 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7927 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7928 int k, drop, count = 0; static int bare = 1;
7929 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7930 Boolean canAdjudicate = !appData.icsActive;
7932 // most tests only when we understand the game, i.e. legality-checking on
7933 if( appData.testLegality )
7934 { /* [HGM] Some more adjudications for obstinate engines */
7935 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7936 static int moveCount = 6;
7938 char *reason = NULL;
7940 /* Count what is on board. */
7941 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7943 /* Some material-based adjudications that have to be made before stalemate test */
7944 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7945 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7946 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7947 if(canAdjudicate && appData.checkMates) {
7949 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7950 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7951 "Xboard adjudication: King destroyed", GE_XBOARD );
7956 /* Bare King in Shatranj (loses) or Losers (wins) */
7957 if( nrW == 1 || nrB == 1) {
7958 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7959 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7960 if(canAdjudicate && appData.checkMates) {
7962 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7963 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7964 "Xboard adjudication: Bare king", GE_XBOARD );
7968 if( gameInfo.variant == VariantShatranj && --bare < 0)
7970 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7971 if(canAdjudicate && appData.checkMates) {
7972 /* but only adjudicate if adjudication enabled */
7974 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7975 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7976 "Xboard adjudication: Bare king", GE_XBOARD );
7983 // don't wait for engine to announce game end if we can judge ourselves
7984 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7986 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7987 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7988 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7989 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7992 reason = "Xboard adjudication: 3rd check";
7993 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8003 reason = "Xboard adjudication: Stalemate";
8004 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8005 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8006 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8007 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8008 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8009 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8010 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8011 EP_CHECKMATE : EP_WINS);
8012 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8013 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8017 reason = "Xboard adjudication: Checkmate";
8018 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8019 if(gameInfo.variant == VariantShogi) {
8020 if(forwardMostMove > backwardMostMove
8021 && moveList[forwardMostMove-1][1] == '@'
8022 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8023 reason = "XBoard adjudication: pawn-drop mate";
8024 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8030 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8032 result = GameIsDrawn; break;
8034 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8036 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8040 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8042 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8043 GameEnds( result, reason, GE_XBOARD );
8047 /* Next absolutely insufficient mating material. */
8048 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8049 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8050 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8052 /* always flag draws, for judging claims */
8053 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8055 if(canAdjudicate && appData.materialDraws) {
8056 /* but only adjudicate them if adjudication enabled */
8057 if(engineOpponent) {
8058 SendToProgram("force\n", engineOpponent); // suppress reply
8059 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8061 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8066 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8067 if(gameInfo.variant == VariantXiangqi ?
8068 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8070 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8071 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8072 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8073 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8075 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8076 { /* if the first 3 moves do not show a tactical win, declare draw */
8077 if(engineOpponent) {
8078 SendToProgram("force\n", engineOpponent); // suppress reply
8079 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8081 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8084 } else moveCount = 6;
8087 // Repetition draws and 50-move rule can be applied independently of legality testing
8089 /* Check for rep-draws */
8091 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8092 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8093 for(k = forwardMostMove-2;
8094 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8095 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8096 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8099 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8100 /* compare castling rights */
8101 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8102 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8103 rights++; /* King lost rights, while rook still had them */
8104 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8105 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8106 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8107 rights++; /* but at least one rook lost them */
8109 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8110 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8112 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8113 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8114 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8117 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8118 && appData.drawRepeats > 1) {
8119 /* adjudicate after user-specified nr of repeats */
8120 int result = GameIsDrawn;
8121 char *details = "XBoard adjudication: repetition draw";
8122 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8123 // [HGM] xiangqi: check for forbidden perpetuals
8124 int m, ourPerpetual = 1, hisPerpetual = 1;
8125 for(m=forwardMostMove; m>k; m-=2) {
8126 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8127 ourPerpetual = 0; // the current mover did not always check
8128 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8129 hisPerpetual = 0; // the opponent did not always check
8131 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8132 ourPerpetual, hisPerpetual);
8133 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8134 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8135 details = "Xboard adjudication: perpetual checking";
8137 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8138 break; // (or we would have caught him before). Abort repetition-checking loop.
8140 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8141 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8143 details = "Xboard adjudication: repetition";
8145 } else // it must be XQ
8146 // Now check for perpetual chases
8147 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8148 hisPerpetual = PerpetualChase(k, forwardMostMove);
8149 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8150 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8151 static char resdet[MSG_SIZ];
8152 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8154 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8156 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8157 break; // Abort repetition-checking loop.
8159 // if neither of us is checking or chasing all the time, or both are, it is draw
8161 if(engineOpponent) {
8162 SendToProgram("force\n", engineOpponent); // suppress reply
8163 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8165 GameEnds( result, details, GE_XBOARD );
8168 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8169 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8173 /* Now we test for 50-move draws. Determine ply count */
8174 count = forwardMostMove;
8175 /* look for last irreversble move */
8176 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8178 /* if we hit starting position, add initial plies */
8179 if( count == backwardMostMove )
8180 count -= initialRulePlies;
8181 count = forwardMostMove - count;
8182 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8183 // adjust reversible move counter for checks in Xiangqi
8184 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8185 if(i < backwardMostMove) i = backwardMostMove;
8186 while(i <= forwardMostMove) {
8187 lastCheck = inCheck; // check evasion does not count
8188 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8189 if(inCheck || lastCheck) count--; // check does not count
8194 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8195 /* this is used to judge if draw claims are legal */
8196 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8197 if(engineOpponent) {
8198 SendToProgram("force\n", engineOpponent); // suppress reply
8199 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8201 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8205 /* if draw offer is pending, treat it as a draw claim
8206 * when draw condition present, to allow engines a way to
8207 * claim draws before making their move to avoid a race
8208 * condition occurring after their move
8210 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8212 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8213 p = "Draw claim: 50-move rule";
8214 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8215 p = "Draw claim: 3-fold repetition";
8216 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8217 p = "Draw claim: insufficient mating material";
8218 if( p != NULL && canAdjudicate) {
8219 if(engineOpponent) {
8220 SendToProgram("force\n", engineOpponent); // suppress reply
8221 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8223 GameEnds( GameIsDrawn, p, GE_XBOARD );
8228 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8229 if(engineOpponent) {
8230 SendToProgram("force\n", engineOpponent); // suppress reply
8231 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8233 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8240 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8241 { // [HGM] book: this routine intercepts moves to simulate book replies
8242 char *bookHit = NULL;
8244 //first determine if the incoming move brings opponent into his book
8245 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8246 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8247 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8248 if(bookHit != NULL && !cps->bookSuspend) {
8249 // make sure opponent is not going to reply after receiving move to book position
8250 SendToProgram("force\n", cps);
8251 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8253 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8254 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8255 // now arrange restart after book miss
8257 // after a book hit we never send 'go', and the code after the call to this routine
8258 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8259 char buf[MSG_SIZ], *move = bookHit;
8261 int fromX, fromY, toX, toY;
8265 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8266 &fromX, &fromY, &toX, &toY, &promoChar)) {
8267 (void) CoordsToAlgebraic(boards[forwardMostMove],
8268 PosFlags(forwardMostMove),
8269 fromY, fromX, toY, toX, promoChar, move);
8271 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8275 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8276 SendToProgram(buf, cps);
8277 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8278 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8279 SendToProgram("go\n", cps);
8280 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8281 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8282 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8283 SendToProgram("go\n", cps);
8284 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8286 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8290 LoadError (char *errmess, ChessProgramState *cps)
8291 { // unloads engine and switches back to -ncp mode if it was first
8292 if(cps->initDone) return FALSE;
8293 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8294 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8297 appData.noChessProgram = TRUE;
8298 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8299 gameMode = BeginningOfGame; ModeHighlight();
8302 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8303 DisplayMessage("", ""); // erase waiting message
8304 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8309 ChessProgramState *savedState;
8311 DeferredBookMove (void)
8313 if(savedState->lastPing != savedState->lastPong)
8314 ScheduleDelayedEvent(DeferredBookMove, 10);
8316 HandleMachineMove(savedMessage, savedState);
8319 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8320 static ChessProgramState *stalledEngine;
8321 static char stashedInputMove[MSG_SIZ];
8324 HandleMachineMove (char *message, ChessProgramState *cps)
8326 static char firstLeg[20];
8327 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8328 char realname[MSG_SIZ];
8329 int fromX, fromY, toX, toY;
8331 char promoChar, roar;
8333 int machineWhite, oldError;
8336 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8337 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8338 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8339 DisplayError(_("Invalid pairing from pairing engine"), 0);
8342 pairingReceived = 1;
8344 return; // Skim the pairing messages here.
8347 oldError = cps->userError; cps->userError = 0;
8349 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8351 * Kludge to ignore BEL characters
8353 while (*message == '\007') message++;
8356 * [HGM] engine debug message: ignore lines starting with '#' character
8358 if(cps->debug && *message == '#') return;
8361 * Look for book output
8363 if (cps == &first && bookRequested) {
8364 if (message[0] == '\t' || message[0] == ' ') {
8365 /* Part of the book output is here; append it */
8366 strcat(bookOutput, message);
8367 strcat(bookOutput, " \n");
8369 } else if (bookOutput[0] != NULLCHAR) {
8370 /* All of book output has arrived; display it */
8371 char *p = bookOutput;
8372 while (*p != NULLCHAR) {
8373 if (*p == '\t') *p = ' ';
8376 DisplayInformation(bookOutput);
8377 bookRequested = FALSE;
8378 /* Fall through to parse the current output */
8383 * Look for machine move.
8385 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8386 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8388 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8389 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8390 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8391 stalledEngine = cps;
8392 if(appData.ponderNextMove) { // bring opponent out of ponder
8393 if(gameMode == TwoMachinesPlay) {
8394 if(cps->other->pause)
8395 PauseEngine(cps->other);
8397 SendToProgram("easy\n", cps->other);
8404 /* This method is only useful on engines that support ping */
8405 if (cps->lastPing != cps->lastPong) {
8406 if (gameMode == BeginningOfGame) {
8407 /* Extra move from before last new; ignore */
8408 if (appData.debugMode) {
8409 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8412 if (appData.debugMode) {
8413 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8414 cps->which, gameMode);
8417 SendToProgram("undo\n", cps);
8423 case BeginningOfGame:
8424 /* Extra move from before last reset; ignore */
8425 if (appData.debugMode) {
8426 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8433 /* Extra move after we tried to stop. The mode test is
8434 not a reliable way of detecting this problem, but it's
8435 the best we can do on engines that don't support ping.
8437 if (appData.debugMode) {
8438 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8439 cps->which, gameMode);
8441 SendToProgram("undo\n", cps);
8444 case MachinePlaysWhite:
8445 case IcsPlayingWhite:
8446 machineWhite = TRUE;
8449 case MachinePlaysBlack:
8450 case IcsPlayingBlack:
8451 machineWhite = FALSE;
8454 case TwoMachinesPlay:
8455 machineWhite = (cps->twoMachinesColor[0] == 'w');
8458 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8459 if (appData.debugMode) {
8461 "Ignoring move out of turn by %s, gameMode %d"
8462 ", forwardMost %d\n",
8463 cps->which, gameMode, forwardMostMove);
8468 if(cps->alphaRank) AlphaRank(machineMove, 4);
8470 // [HGM] lion: (some very limited) support for Alien protocol
8472 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8473 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8475 } else if(firstLeg[0]) { // there was a previous leg;
8476 // only support case where same piece makes two step (and don't even test that!)
8477 char buf[20], *p = machineMove+1, *q = buf+1, f;
8478 safeStrCpy(buf, machineMove, 20);
8479 while(isdigit(*q)) q++; // find start of to-square
8480 safeStrCpy(machineMove, firstLeg, 20);
8481 while(isdigit(*p)) p++;
8482 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8483 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8484 firstLeg[0] = NULLCHAR;
8487 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8488 &fromX, &fromY, &toX, &toY, &promoChar)) {
8489 /* Machine move could not be parsed; ignore it. */
8490 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8491 machineMove, _(cps->which));
8492 DisplayMoveError(buf1);
8493 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8494 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8495 if (gameMode == TwoMachinesPlay) {
8496 GameEnds(machineWhite ? BlackWins : WhiteWins,
8502 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8503 /* So we have to redo legality test with true e.p. status here, */
8504 /* to make sure an illegal e.p. capture does not slip through, */
8505 /* to cause a forfeit on a justified illegal-move complaint */
8506 /* of the opponent. */
8507 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8509 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8510 fromY, fromX, toY, toX, promoChar);
8511 if(moveType == IllegalMove) {
8512 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8513 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8514 GameEnds(machineWhite ? BlackWins : WhiteWins,
8517 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8518 /* [HGM] Kludge to handle engines that send FRC-style castling
8519 when they shouldn't (like TSCP-Gothic) */
8521 case WhiteASideCastleFR:
8522 case BlackASideCastleFR:
8524 currentMoveString[2]++;
8526 case WhiteHSideCastleFR:
8527 case BlackHSideCastleFR:
8529 currentMoveString[2]--;
8531 default: ; // nothing to do, but suppresses warning of pedantic compilers
8534 hintRequested = FALSE;
8535 lastHint[0] = NULLCHAR;
8536 bookRequested = FALSE;
8537 /* Program may be pondering now */
8538 cps->maybeThinking = TRUE;
8539 if (cps->sendTime == 2) cps->sendTime = 1;
8540 if (cps->offeredDraw) cps->offeredDraw--;
8542 /* [AS] Save move info*/
8543 pvInfoList[ forwardMostMove ].score = programStats.score;
8544 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8545 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8547 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8549 /* Test suites abort the 'game' after one move */
8550 if(*appData.finger) {
8552 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8553 if(!f) f = fopen(appData.finger, "w");
8554 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8555 else { DisplayFatalError("Bad output file", errno, 0); return; }
8557 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8560 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8561 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8564 while( count < adjudicateLossPlies ) {
8565 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8568 score = -score; /* Flip score for winning side */
8571 if( score > adjudicateLossThreshold ) {
8578 if( count >= adjudicateLossPlies ) {
8579 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8581 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8582 "Xboard adjudication",
8589 if(Adjudicate(cps)) {
8590 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8591 return; // [HGM] adjudicate: for all automatic game ends
8595 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8597 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8598 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8600 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8602 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8604 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8605 char buf[3*MSG_SIZ];
8607 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8608 programStats.score / 100.,
8610 programStats.time / 100.,
8611 (unsigned int)programStats.nodes,
8612 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8613 programStats.movelist);
8615 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8620 /* [AS] Clear stats for next move */
8621 ClearProgramStats();
8622 thinkOutput[0] = NULLCHAR;
8623 hiddenThinkOutputState = 0;
8626 if (gameMode == TwoMachinesPlay) {
8627 /* [HGM] relaying draw offers moved to after reception of move */
8628 /* and interpreting offer as claim if it brings draw condition */
8629 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8630 SendToProgram("draw\n", cps->other);
8632 if (cps->other->sendTime) {
8633 SendTimeRemaining(cps->other,
8634 cps->other->twoMachinesColor[0] == 'w');
8636 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8637 if (firstMove && !bookHit) {
8639 if (cps->other->useColors) {
8640 SendToProgram(cps->other->twoMachinesColor, cps->other);
8642 SendToProgram("go\n", cps->other);
8644 cps->other->maybeThinking = TRUE;
8647 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8649 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8651 if (!pausing && appData.ringBellAfterMoves) {
8652 if(!roar) RingBell();
8656 * Reenable menu items that were disabled while
8657 * machine was thinking
8659 if (gameMode != TwoMachinesPlay)
8660 SetUserThinkingEnables();
8662 // [HGM] book: after book hit opponent has received move and is now in force mode
8663 // force the book reply into it, and then fake that it outputted this move by jumping
8664 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8666 static char bookMove[MSG_SIZ]; // a bit generous?
8668 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8669 strcat(bookMove, bookHit);
8672 programStats.nodes = programStats.depth = programStats.time =
8673 programStats.score = programStats.got_only_move = 0;
8674 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8676 if(cps->lastPing != cps->lastPong) {
8677 savedMessage = message; // args for deferred call
8679 ScheduleDelayedEvent(DeferredBookMove, 10);
8688 /* Set special modes for chess engines. Later something general
8689 * could be added here; for now there is just one kludge feature,
8690 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8691 * when "xboard" is given as an interactive command.
8693 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8694 cps->useSigint = FALSE;
8695 cps->useSigterm = FALSE;
8697 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8698 ParseFeatures(message+8, cps);
8699 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8702 if (!strncmp(message, "setup ", 6) &&
8703 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8704 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8705 ) { // [HGM] allow first engine to define opening position
8706 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8707 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8709 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8710 if(startedFromSetupPosition) return;
8711 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8713 while(message[s] && message[s++] != ' ');
8714 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8715 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8716 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8717 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8718 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8719 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8722 ParseFEN(boards[0], &dummy, message+s, FALSE);
8723 DrawPosition(TRUE, boards[0]);
8724 startedFromSetupPosition = TRUE;
8727 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8728 * want this, I was asked to put it in, and obliged.
8730 if (!strncmp(message, "setboard ", 9)) {
8731 Board initial_position;
8733 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8735 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8736 DisplayError(_("Bad FEN received from engine"), 0);
8740 CopyBoard(boards[0], initial_position);
8741 initialRulePlies = FENrulePlies;
8742 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8743 else gameMode = MachinePlaysBlack;
8744 DrawPosition(FALSE, boards[currentMove]);
8750 * Look for communication commands
8752 if (!strncmp(message, "telluser ", 9)) {
8753 if(message[9] == '\\' && message[10] == '\\')
8754 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8756 DisplayNote(message + 9);
8759 if (!strncmp(message, "tellusererror ", 14)) {
8761 if(message[14] == '\\' && message[15] == '\\')
8762 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8764 DisplayError(message + 14, 0);
8767 if (!strncmp(message, "tellopponent ", 13)) {
8768 if (appData.icsActive) {
8770 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8774 DisplayNote(message + 13);
8778 if (!strncmp(message, "tellothers ", 11)) {
8779 if (appData.icsActive) {
8781 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8784 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8787 if (!strncmp(message, "tellall ", 8)) {
8788 if (appData.icsActive) {
8790 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8794 DisplayNote(message + 8);
8798 if (strncmp(message, "warning", 7) == 0) {
8799 /* Undocumented feature, use tellusererror in new code */
8800 DisplayError(message, 0);
8803 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8804 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8805 strcat(realname, " query");
8806 AskQuestion(realname, buf2, buf1, cps->pr);
8809 /* Commands from the engine directly to ICS. We don't allow these to be
8810 * sent until we are logged on. Crafty kibitzes have been known to
8811 * interfere with the login process.
8814 if (!strncmp(message, "tellics ", 8)) {
8815 SendToICS(message + 8);
8819 if (!strncmp(message, "tellicsnoalias ", 15)) {
8820 SendToICS(ics_prefix);
8821 SendToICS(message + 15);
8825 /* The following are for backward compatibility only */
8826 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8827 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8828 SendToICS(ics_prefix);
8834 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8835 if(initPing == cps->lastPong) {
8836 if(gameInfo.variant == VariantUnknown) {
8837 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
8838 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
8839 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8845 if(!strncmp(message, "highlight ", 10)) {
8846 if(appData.testLegality && appData.markers) return;
8847 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8850 if(!strncmp(message, "click ", 6)) {
8851 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8852 if(appData.testLegality || !appData.oneClick) return;
8853 sscanf(message+6, "%c%d%c", &f, &y, &c);
8854 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8855 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8856 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8857 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8858 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8859 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8860 LeftClick(Release, lastLeftX, lastLeftY);
8861 controlKey = (c == ',');
8862 LeftClick(Press, x, y);
8863 LeftClick(Release, x, y);
8864 first.highlight = f;
8868 * If the move is illegal, cancel it and redraw the board.
8869 * Also deal with other error cases. Matching is rather loose
8870 * here to accommodate engines written before the spec.
8872 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8873 strncmp(message, "Error", 5) == 0) {
8874 if (StrStr(message, "name") ||
8875 StrStr(message, "rating") || StrStr(message, "?") ||
8876 StrStr(message, "result") || StrStr(message, "board") ||
8877 StrStr(message, "bk") || StrStr(message, "computer") ||
8878 StrStr(message, "variant") || StrStr(message, "hint") ||
8879 StrStr(message, "random") || StrStr(message, "depth") ||
8880 StrStr(message, "accepted")) {
8883 if (StrStr(message, "protover")) {
8884 /* Program is responding to input, so it's apparently done
8885 initializing, and this error message indicates it is
8886 protocol version 1. So we don't need to wait any longer
8887 for it to initialize and send feature commands. */
8888 FeatureDone(cps, 1);
8889 cps->protocolVersion = 1;
8892 cps->maybeThinking = FALSE;
8894 if (StrStr(message, "draw")) {
8895 /* Program doesn't have "draw" command */
8896 cps->sendDrawOffers = 0;
8899 if (cps->sendTime != 1 &&
8900 (StrStr(message, "time") || StrStr(message, "otim"))) {
8901 /* Program apparently doesn't have "time" or "otim" command */
8905 if (StrStr(message, "analyze")) {
8906 cps->analysisSupport = FALSE;
8907 cps->analyzing = FALSE;
8908 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8909 EditGameEvent(); // [HGM] try to preserve loaded game
8910 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8911 DisplayError(buf2, 0);
8914 if (StrStr(message, "(no matching move)st")) {
8915 /* Special kludge for GNU Chess 4 only */
8916 cps->stKludge = TRUE;
8917 SendTimeControl(cps, movesPerSession, timeControl,
8918 timeIncrement, appData.searchDepth,
8922 if (StrStr(message, "(no matching move)sd")) {
8923 /* Special kludge for GNU Chess 4 only */
8924 cps->sdKludge = TRUE;
8925 SendTimeControl(cps, movesPerSession, timeControl,
8926 timeIncrement, appData.searchDepth,
8930 if (!StrStr(message, "llegal")) {
8933 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8934 gameMode == IcsIdle) return;
8935 if (forwardMostMove <= backwardMostMove) return;
8936 if (pausing) PauseEvent();
8937 if(appData.forceIllegal) {
8938 // [HGM] illegal: machine refused move; force position after move into it
8939 SendToProgram("force\n", cps);
8940 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8941 // we have a real problem now, as SendBoard will use the a2a3 kludge
8942 // when black is to move, while there might be nothing on a2 or black
8943 // might already have the move. So send the board as if white has the move.
8944 // But first we must change the stm of the engine, as it refused the last move
8945 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8946 if(WhiteOnMove(forwardMostMove)) {
8947 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8948 SendBoard(cps, forwardMostMove); // kludgeless board
8950 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8951 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8952 SendBoard(cps, forwardMostMove+1); // kludgeless board
8954 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8955 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8956 gameMode == TwoMachinesPlay)
8957 SendToProgram("go\n", cps);
8960 if (gameMode == PlayFromGameFile) {
8961 /* Stop reading this game file */
8962 gameMode = EditGame;
8965 /* [HGM] illegal-move claim should forfeit game when Xboard */
8966 /* only passes fully legal moves */
8967 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8968 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8969 "False illegal-move claim", GE_XBOARD );
8970 return; // do not take back move we tested as valid
8972 currentMove = forwardMostMove-1;
8973 DisplayMove(currentMove-1); /* before DisplayMoveError */
8974 SwitchClocks(forwardMostMove-1); // [HGM] race
8975 DisplayBothClocks();
8976 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8977 parseList[currentMove], _(cps->which));
8978 DisplayMoveError(buf1);
8979 DrawPosition(FALSE, boards[currentMove]);
8981 SetUserThinkingEnables();
8984 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8985 /* Program has a broken "time" command that
8986 outputs a string not ending in newline.
8992 * If chess program startup fails, exit with an error message.
8993 * Attempts to recover here are futile. [HGM] Well, we try anyway
8995 if ((StrStr(message, "unknown host") != NULL)
8996 || (StrStr(message, "No remote directory") != NULL)
8997 || (StrStr(message, "not found") != NULL)
8998 || (StrStr(message, "No such file") != NULL)
8999 || (StrStr(message, "can't alloc") != NULL)
9000 || (StrStr(message, "Permission denied") != NULL)) {
9002 cps->maybeThinking = FALSE;
9003 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9004 _(cps->which), cps->program, cps->host, message);
9005 RemoveInputSource(cps->isr);
9006 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9007 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9008 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9014 * Look for hint output
9016 if (sscanf(message, "Hint: %s", buf1) == 1) {
9017 if (cps == &first && hintRequested) {
9018 hintRequested = FALSE;
9019 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9020 &fromX, &fromY, &toX, &toY, &promoChar)) {
9021 (void) CoordsToAlgebraic(boards[forwardMostMove],
9022 PosFlags(forwardMostMove),
9023 fromY, fromX, toY, toX, promoChar, buf1);
9024 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9025 DisplayInformation(buf2);
9027 /* Hint move could not be parsed!? */
9028 snprintf(buf2, sizeof(buf2),
9029 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9030 buf1, _(cps->which));
9031 DisplayError(buf2, 0);
9034 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9040 * Ignore other messages if game is not in progress
9042 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9043 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9046 * look for win, lose, draw, or draw offer
9048 if (strncmp(message, "1-0", 3) == 0) {
9049 char *p, *q, *r = "";
9050 p = strchr(message, '{');
9058 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9060 } else if (strncmp(message, "0-1", 3) == 0) {
9061 char *p, *q, *r = "";
9062 p = strchr(message, '{');
9070 /* Kludge for Arasan 4.1 bug */
9071 if (strcmp(r, "Black resigns") == 0) {
9072 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9075 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9077 } else if (strncmp(message, "1/2", 3) == 0) {
9078 char *p, *q, *r = "";
9079 p = strchr(message, '{');
9088 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9091 } else if (strncmp(message, "White resign", 12) == 0) {
9092 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9094 } else if (strncmp(message, "Black resign", 12) == 0) {
9095 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9097 } else if (strncmp(message, "White matches", 13) == 0 ||
9098 strncmp(message, "Black matches", 13) == 0 ) {
9099 /* [HGM] ignore GNUShogi noises */
9101 } else if (strncmp(message, "White", 5) == 0 &&
9102 message[5] != '(' &&
9103 StrStr(message, "Black") == NULL) {
9104 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9106 } else if (strncmp(message, "Black", 5) == 0 &&
9107 message[5] != '(') {
9108 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9110 } else if (strcmp(message, "resign") == 0 ||
9111 strcmp(message, "computer resigns") == 0) {
9113 case MachinePlaysBlack:
9114 case IcsPlayingBlack:
9115 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9117 case MachinePlaysWhite:
9118 case IcsPlayingWhite:
9119 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9121 case TwoMachinesPlay:
9122 if (cps->twoMachinesColor[0] == 'w')
9123 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9125 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9132 } else if (strncmp(message, "opponent mates", 14) == 0) {
9134 case MachinePlaysBlack:
9135 case IcsPlayingBlack:
9136 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9138 case MachinePlaysWhite:
9139 case IcsPlayingWhite:
9140 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9142 case TwoMachinesPlay:
9143 if (cps->twoMachinesColor[0] == 'w')
9144 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9146 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9153 } else if (strncmp(message, "computer mates", 14) == 0) {
9155 case MachinePlaysBlack:
9156 case IcsPlayingBlack:
9157 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9159 case MachinePlaysWhite:
9160 case IcsPlayingWhite:
9161 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9163 case TwoMachinesPlay:
9164 if (cps->twoMachinesColor[0] == 'w')
9165 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9167 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9174 } else if (strncmp(message, "checkmate", 9) == 0) {
9175 if (WhiteOnMove(forwardMostMove)) {
9176 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9178 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9181 } else if (strstr(message, "Draw") != NULL ||
9182 strstr(message, "game is a draw") != NULL) {
9183 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9185 } else if (strstr(message, "offer") != NULL &&
9186 strstr(message, "draw") != NULL) {
9188 if (appData.zippyPlay && first.initDone) {
9189 /* Relay offer to ICS */
9190 SendToICS(ics_prefix);
9191 SendToICS("draw\n");
9194 cps->offeredDraw = 2; /* valid until this engine moves twice */
9195 if (gameMode == TwoMachinesPlay) {
9196 if (cps->other->offeredDraw) {
9197 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9198 /* [HGM] in two-machine mode we delay relaying draw offer */
9199 /* until after we also have move, to see if it is really claim */
9201 } else if (gameMode == MachinePlaysWhite ||
9202 gameMode == MachinePlaysBlack) {
9203 if (userOfferedDraw) {
9204 DisplayInformation(_("Machine accepts your draw offer"));
9205 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9207 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9214 * Look for thinking output
9216 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9217 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9219 int plylev, mvleft, mvtot, curscore, time;
9220 char mvname[MOVE_LEN];
9224 int prefixHint = FALSE;
9225 mvname[0] = NULLCHAR;
9228 case MachinePlaysBlack:
9229 case IcsPlayingBlack:
9230 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9232 case MachinePlaysWhite:
9233 case IcsPlayingWhite:
9234 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9239 case IcsObserving: /* [DM] icsEngineAnalyze */
9240 if (!appData.icsEngineAnalyze) ignore = TRUE;
9242 case TwoMachinesPlay:
9243 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9253 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9255 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9256 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9258 if (plyext != ' ' && plyext != '\t') {
9262 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9263 if( cps->scoreIsAbsolute &&
9264 ( gameMode == MachinePlaysBlack ||
9265 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9266 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9267 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9268 !WhiteOnMove(currentMove)
9271 curscore = -curscore;
9274 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9276 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9279 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9280 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9281 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9282 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9283 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9284 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9288 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9289 DisplayError(_("failed writing PV"), 0);
9292 tempStats.depth = plylev;
9293 tempStats.nodes = nodes;
9294 tempStats.time = time;
9295 tempStats.score = curscore;
9296 tempStats.got_only_move = 0;
9298 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9301 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9302 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9303 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9304 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9305 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9306 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9307 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9308 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9311 /* Buffer overflow protection */
9312 if (pv[0] != NULLCHAR) {
9313 if (strlen(pv) >= sizeof(tempStats.movelist)
9314 && appData.debugMode) {
9316 "PV is too long; using the first %u bytes.\n",
9317 (unsigned) sizeof(tempStats.movelist) - 1);
9320 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9322 sprintf(tempStats.movelist, " no PV\n");
9325 if (tempStats.seen_stat) {
9326 tempStats.ok_to_send = 1;
9329 if (strchr(tempStats.movelist, '(') != NULL) {
9330 tempStats.line_is_book = 1;
9331 tempStats.nr_moves = 0;
9332 tempStats.moves_left = 0;
9334 tempStats.line_is_book = 0;
9337 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9338 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9340 SendProgramStatsToFrontend( cps, &tempStats );
9343 [AS] Protect the thinkOutput buffer from overflow... this
9344 is only useful if buf1 hasn't overflowed first!
9346 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9348 (gameMode == TwoMachinesPlay ?
9349 ToUpper(cps->twoMachinesColor[0]) : ' '),
9350 ((double) curscore) / 100.0,
9351 prefixHint ? lastHint : "",
9352 prefixHint ? " " : "" );
9354 if( buf1[0] != NULLCHAR ) {
9355 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9357 if( strlen(pv) > max_len ) {
9358 if( appData.debugMode) {
9359 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9361 pv[max_len+1] = '\0';
9364 strcat( thinkOutput, pv);
9367 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9368 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9369 DisplayMove(currentMove - 1);
9373 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9374 /* crafty (9.25+) says "(only move) <move>"
9375 * if there is only 1 legal move
9377 sscanf(p, "(only move) %s", buf1);
9378 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9379 sprintf(programStats.movelist, "%s (only move)", buf1);
9380 programStats.depth = 1;
9381 programStats.nr_moves = 1;
9382 programStats.moves_left = 1;
9383 programStats.nodes = 1;
9384 programStats.time = 1;
9385 programStats.got_only_move = 1;
9387 /* Not really, but we also use this member to
9388 mean "line isn't going to change" (Crafty
9389 isn't searching, so stats won't change) */
9390 programStats.line_is_book = 1;
9392 SendProgramStatsToFrontend( cps, &programStats );
9394 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9395 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9396 DisplayMove(currentMove - 1);
9399 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9400 &time, &nodes, &plylev, &mvleft,
9401 &mvtot, mvname) >= 5) {
9402 /* The stat01: line is from Crafty (9.29+) in response
9403 to the "." command */
9404 programStats.seen_stat = 1;
9405 cps->maybeThinking = TRUE;
9407 if (programStats.got_only_move || !appData.periodicUpdates)
9410 programStats.depth = plylev;
9411 programStats.time = time;
9412 programStats.nodes = nodes;
9413 programStats.moves_left = mvleft;
9414 programStats.nr_moves = mvtot;
9415 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9416 programStats.ok_to_send = 1;
9417 programStats.movelist[0] = '\0';
9419 SendProgramStatsToFrontend( cps, &programStats );
9423 } else if (strncmp(message,"++",2) == 0) {
9424 /* Crafty 9.29+ outputs this */
9425 programStats.got_fail = 2;
9428 } else if (strncmp(message,"--",2) == 0) {
9429 /* Crafty 9.29+ outputs this */
9430 programStats.got_fail = 1;
9433 } else if (thinkOutput[0] != NULLCHAR &&
9434 strncmp(message, " ", 4) == 0) {
9435 unsigned message_len;
9438 while (*p && *p == ' ') p++;
9440 message_len = strlen( p );
9442 /* [AS] Avoid buffer overflow */
9443 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9444 strcat(thinkOutput, " ");
9445 strcat(thinkOutput, p);
9448 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9449 strcat(programStats.movelist, " ");
9450 strcat(programStats.movelist, p);
9453 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9454 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9455 DisplayMove(currentMove - 1);
9463 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9464 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9466 ChessProgramStats cpstats;
9468 if (plyext != ' ' && plyext != '\t') {
9472 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9473 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9474 curscore = -curscore;
9477 cpstats.depth = plylev;
9478 cpstats.nodes = nodes;
9479 cpstats.time = time;
9480 cpstats.score = curscore;
9481 cpstats.got_only_move = 0;
9482 cpstats.movelist[0] = '\0';
9484 if (buf1[0] != NULLCHAR) {
9485 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9488 cpstats.ok_to_send = 0;
9489 cpstats.line_is_book = 0;
9490 cpstats.nr_moves = 0;
9491 cpstats.moves_left = 0;
9493 SendProgramStatsToFrontend( cps, &cpstats );
9500 /* Parse a game score from the character string "game", and
9501 record it as the history of the current game. The game
9502 score is NOT assumed to start from the standard position.
9503 The display is not updated in any way.
9506 ParseGameHistory (char *game)
9509 int fromX, fromY, toX, toY, boardIndex;
9514 if (appData.debugMode)
9515 fprintf(debugFP, "Parsing game history: %s\n", game);
9517 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9518 gameInfo.site = StrSave(appData.icsHost);
9519 gameInfo.date = PGNDate();
9520 gameInfo.round = StrSave("-");
9522 /* Parse out names of players */
9523 while (*game == ' ') game++;
9525 while (*game != ' ') *p++ = *game++;
9527 gameInfo.white = StrSave(buf);
9528 while (*game == ' ') game++;
9530 while (*game != ' ' && *game != '\n') *p++ = *game++;
9532 gameInfo.black = StrSave(buf);
9535 boardIndex = blackPlaysFirst ? 1 : 0;
9538 yyboardindex = boardIndex;
9539 moveType = (ChessMove) Myylex();
9541 case IllegalMove: /* maybe suicide chess, etc. */
9542 if (appData.debugMode) {
9543 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9544 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9545 setbuf(debugFP, NULL);
9547 case WhitePromotion:
9548 case BlackPromotion:
9549 case WhiteNonPromotion:
9550 case BlackNonPromotion:
9553 case WhiteCapturesEnPassant:
9554 case BlackCapturesEnPassant:
9555 case WhiteKingSideCastle:
9556 case WhiteQueenSideCastle:
9557 case BlackKingSideCastle:
9558 case BlackQueenSideCastle:
9559 case WhiteKingSideCastleWild:
9560 case WhiteQueenSideCastleWild:
9561 case BlackKingSideCastleWild:
9562 case BlackQueenSideCastleWild:
9564 case WhiteHSideCastleFR:
9565 case WhiteASideCastleFR:
9566 case BlackHSideCastleFR:
9567 case BlackASideCastleFR:
9569 fromX = currentMoveString[0] - AAA;
9570 fromY = currentMoveString[1] - ONE;
9571 toX = currentMoveString[2] - AAA;
9572 toY = currentMoveString[3] - ONE;
9573 promoChar = currentMoveString[4];
9577 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9578 fromX = moveType == WhiteDrop ?
9579 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9580 (int) CharToPiece(ToLower(currentMoveString[0]));
9582 toX = currentMoveString[2] - AAA;
9583 toY = currentMoveString[3] - ONE;
9584 promoChar = NULLCHAR;
9588 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9589 if (appData.debugMode) {
9590 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9591 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9592 setbuf(debugFP, NULL);
9594 DisplayError(buf, 0);
9596 case ImpossibleMove:
9598 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9599 if (appData.debugMode) {
9600 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9601 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9602 setbuf(debugFP, NULL);
9604 DisplayError(buf, 0);
9607 if (boardIndex < backwardMostMove) {
9608 /* Oops, gap. How did that happen? */
9609 DisplayError(_("Gap in move list"), 0);
9612 backwardMostMove = blackPlaysFirst ? 1 : 0;
9613 if (boardIndex > forwardMostMove) {
9614 forwardMostMove = boardIndex;
9618 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9619 strcat(parseList[boardIndex-1], " ");
9620 strcat(parseList[boardIndex-1], yy_text);
9632 case GameUnfinished:
9633 if (gameMode == IcsExamining) {
9634 if (boardIndex < backwardMostMove) {
9635 /* Oops, gap. How did that happen? */
9638 backwardMostMove = blackPlaysFirst ? 1 : 0;
9641 gameInfo.result = moveType;
9642 p = strchr(yy_text, '{');
9643 if (p == NULL) p = strchr(yy_text, '(');
9646 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9648 q = strchr(p, *p == '{' ? '}' : ')');
9649 if (q != NULL) *q = NULLCHAR;
9652 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9653 gameInfo.resultDetails = StrSave(p);
9656 if (boardIndex >= forwardMostMove &&
9657 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9658 backwardMostMove = blackPlaysFirst ? 1 : 0;
9661 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9662 fromY, fromX, toY, toX, promoChar,
9663 parseList[boardIndex]);
9664 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9665 /* currentMoveString is set as a side-effect of yylex */
9666 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9667 strcat(moveList[boardIndex], "\n");
9669 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9670 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9676 if(gameInfo.variant != VariantShogi)
9677 strcat(parseList[boardIndex - 1], "+");
9681 strcat(parseList[boardIndex - 1], "#");
9688 /* Apply a move to the given board */
9690 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9692 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9693 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9695 /* [HGM] compute & store e.p. status and castling rights for new position */
9696 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9698 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9699 oldEP = (signed char)board[EP_STATUS];
9700 board[EP_STATUS] = EP_NONE;
9702 if (fromY == DROP_RANK) {
9704 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9705 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9708 piece = board[toY][toX] = (ChessSquare) fromX;
9713 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9714 victim = board[killY][killX],
9715 board[killY][killX] = EmptySquare,
9716 board[EP_STATUS] = EP_CAPTURE;
9718 if( board[toY][toX] != EmptySquare ) {
9719 board[EP_STATUS] = EP_CAPTURE;
9720 if( (fromX != toX || fromY != toY) && // not igui!
9721 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9722 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9723 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9727 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9728 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9729 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9731 if( board[fromY][fromX] == WhitePawn ) {
9732 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9733 board[EP_STATUS] = EP_PAWN_MOVE;
9735 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9736 gameInfo.variant != VariantBerolina || toX < fromX)
9737 board[EP_STATUS] = toX | berolina;
9738 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9739 gameInfo.variant != VariantBerolina || toX > fromX)
9740 board[EP_STATUS] = toX;
9743 if( board[fromY][fromX] == BlackPawn ) {
9744 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9745 board[EP_STATUS] = EP_PAWN_MOVE;
9746 if( toY-fromY== -2) {
9747 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9748 gameInfo.variant != VariantBerolina || toX < fromX)
9749 board[EP_STATUS] = toX | berolina;
9750 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9751 gameInfo.variant != VariantBerolina || toX > fromX)
9752 board[EP_STATUS] = toX;
9756 for(i=0; i<nrCastlingRights; i++) {
9757 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9758 board[CASTLING][i] == toX && castlingRank[i] == toY
9759 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9762 if(gameInfo.variant == VariantSChess) { // update virginity
9763 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9764 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9765 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9766 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9769 if (fromX == toX && fromY == toY) return;
9771 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9772 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9773 if(gameInfo.variant == VariantKnightmate)
9774 king += (int) WhiteUnicorn - (int) WhiteKing;
9776 /* Code added by Tord: */
9777 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9778 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9779 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9780 board[fromY][fromX] = EmptySquare;
9781 board[toY][toX] = EmptySquare;
9782 if((toX > fromX) != (piece == WhiteRook)) {
9783 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9785 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9787 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9788 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9789 board[fromY][fromX] = EmptySquare;
9790 board[toY][toX] = EmptySquare;
9791 if((toX > fromX) != (piece == BlackRook)) {
9792 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9794 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9796 /* End of code added by Tord */
9798 } else if (board[fromY][fromX] == king
9799 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9800 && toY == fromY && toX > fromX+1) {
9801 board[fromY][fromX] = EmptySquare;
9802 board[toY][toX] = king;
9803 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9804 board[fromY][BOARD_RGHT-1] = EmptySquare;
9805 } else if (board[fromY][fromX] == king
9806 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9807 && toY == fromY && toX < fromX-1) {
9808 board[fromY][fromX] = EmptySquare;
9809 board[toY][toX] = king;
9810 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9811 board[fromY][BOARD_LEFT] = EmptySquare;
9812 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9813 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9814 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9816 /* white pawn promotion */
9817 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9818 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9819 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9820 board[fromY][fromX] = EmptySquare;
9821 } else if ((fromY >= BOARD_HEIGHT>>1)
9822 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9824 && gameInfo.variant != VariantXiangqi
9825 && gameInfo.variant != VariantBerolina
9826 && (board[fromY][fromX] == WhitePawn)
9827 && (board[toY][toX] == EmptySquare)) {
9828 board[fromY][fromX] = EmptySquare;
9829 board[toY][toX] = WhitePawn;
9830 captured = board[toY - 1][toX];
9831 board[toY - 1][toX] = EmptySquare;
9832 } else if ((fromY == BOARD_HEIGHT-4)
9834 && gameInfo.variant == VariantBerolina
9835 && (board[fromY][fromX] == WhitePawn)
9836 && (board[toY][toX] == EmptySquare)) {
9837 board[fromY][fromX] = EmptySquare;
9838 board[toY][toX] = WhitePawn;
9839 if(oldEP & EP_BEROLIN_A) {
9840 captured = board[fromY][fromX-1];
9841 board[fromY][fromX-1] = EmptySquare;
9842 }else{ captured = board[fromY][fromX+1];
9843 board[fromY][fromX+1] = EmptySquare;
9845 } else if (board[fromY][fromX] == king
9846 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9847 && toY == fromY && toX > fromX+1) {
9848 board[fromY][fromX] = EmptySquare;
9849 board[toY][toX] = king;
9850 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9851 board[fromY][BOARD_RGHT-1] = EmptySquare;
9852 } else if (board[fromY][fromX] == king
9853 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9854 && toY == fromY && toX < fromX-1) {
9855 board[fromY][fromX] = EmptySquare;
9856 board[toY][toX] = king;
9857 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9858 board[fromY][BOARD_LEFT] = EmptySquare;
9859 } else if (fromY == 7 && fromX == 3
9860 && board[fromY][fromX] == BlackKing
9861 && toY == 7 && toX == 5) {
9862 board[fromY][fromX] = EmptySquare;
9863 board[toY][toX] = BlackKing;
9864 board[fromY][7] = EmptySquare;
9865 board[toY][4] = BlackRook;
9866 } else if (fromY == 7 && fromX == 3
9867 && board[fromY][fromX] == BlackKing
9868 && toY == 7 && toX == 1) {
9869 board[fromY][fromX] = EmptySquare;
9870 board[toY][toX] = BlackKing;
9871 board[fromY][0] = EmptySquare;
9872 board[toY][2] = BlackRook;
9873 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9874 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9875 && toY < promoRank && promoChar
9877 /* black pawn promotion */
9878 board[toY][toX] = CharToPiece(ToLower(promoChar));
9879 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9880 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9881 board[fromY][fromX] = EmptySquare;
9882 } else if ((fromY < BOARD_HEIGHT>>1)
9883 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9885 && gameInfo.variant != VariantXiangqi
9886 && gameInfo.variant != VariantBerolina
9887 && (board[fromY][fromX] == BlackPawn)
9888 && (board[toY][toX] == EmptySquare)) {
9889 board[fromY][fromX] = EmptySquare;
9890 board[toY][toX] = BlackPawn;
9891 captured = board[toY + 1][toX];
9892 board[toY + 1][toX] = EmptySquare;
9893 } else if ((fromY == 3)
9895 && gameInfo.variant == VariantBerolina
9896 && (board[fromY][fromX] == BlackPawn)
9897 && (board[toY][toX] == EmptySquare)) {
9898 board[fromY][fromX] = EmptySquare;
9899 board[toY][toX] = BlackPawn;
9900 if(oldEP & EP_BEROLIN_A) {
9901 captured = board[fromY][fromX-1];
9902 board[fromY][fromX-1] = EmptySquare;
9903 }else{ captured = board[fromY][fromX+1];
9904 board[fromY][fromX+1] = EmptySquare;
9907 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
9908 board[fromY][fromX] = EmptySquare;
9909 board[toY][toX] = piece;
9913 if (gameInfo.holdingsWidth != 0) {
9915 /* !!A lot more code needs to be written to support holdings */
9916 /* [HGM] OK, so I have written it. Holdings are stored in the */
9917 /* penultimate board files, so they are automaticlly stored */
9918 /* in the game history. */
9919 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9920 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9921 /* Delete from holdings, by decreasing count */
9922 /* and erasing image if necessary */
9923 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9924 if(p < (int) BlackPawn) { /* white drop */
9925 p -= (int)WhitePawn;
9926 p = PieceToNumber((ChessSquare)p);
9927 if(p >= gameInfo.holdingsSize) p = 0;
9928 if(--board[p][BOARD_WIDTH-2] <= 0)
9929 board[p][BOARD_WIDTH-1] = EmptySquare;
9930 if((int)board[p][BOARD_WIDTH-2] < 0)
9931 board[p][BOARD_WIDTH-2] = 0;
9932 } else { /* black drop */
9933 p -= (int)BlackPawn;
9934 p = PieceToNumber((ChessSquare)p);
9935 if(p >= gameInfo.holdingsSize) p = 0;
9936 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9937 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9938 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9939 board[BOARD_HEIGHT-1-p][1] = 0;
9942 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9943 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9944 /* [HGM] holdings: Add to holdings, if holdings exist */
9945 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9946 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9947 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9950 if (p >= (int) BlackPawn) {
9951 p -= (int)BlackPawn;
9952 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9953 /* in Shogi restore piece to its original first */
9954 captured = (ChessSquare) (DEMOTED captured);
9957 p = PieceToNumber((ChessSquare)p);
9958 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9959 board[p][BOARD_WIDTH-2]++;
9960 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9962 p -= (int)WhitePawn;
9963 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9964 captured = (ChessSquare) (DEMOTED captured);
9967 p = PieceToNumber((ChessSquare)p);
9968 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9969 board[BOARD_HEIGHT-1-p][1]++;
9970 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9973 } else if (gameInfo.variant == VariantAtomic) {
9974 if (captured != EmptySquare) {
9976 for (y = toY-1; y <= toY+1; y++) {
9977 for (x = toX-1; x <= toX+1; x++) {
9978 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9979 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9980 board[y][x] = EmptySquare;
9984 board[toY][toX] = EmptySquare;
9987 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9988 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9990 if(promoChar == '+') {
9991 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9992 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
9993 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
9994 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
9995 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9996 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9997 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9998 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9999 board[toY][toX] = newPiece;
10001 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10002 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10003 // [HGM] superchess: take promotion piece out of holdings
10004 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10005 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10006 if(!--board[k][BOARD_WIDTH-2])
10007 board[k][BOARD_WIDTH-1] = EmptySquare;
10009 if(!--board[BOARD_HEIGHT-1-k][1])
10010 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10015 /* Updates forwardMostMove */
10017 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10019 int x = toX, y = toY;
10020 char *s = parseList[forwardMostMove];
10021 ChessSquare p = boards[forwardMostMove][toY][toX];
10022 // forwardMostMove++; // [HGM] bare: moved downstream
10024 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10025 (void) CoordsToAlgebraic(boards[forwardMostMove],
10026 PosFlags(forwardMostMove),
10027 fromY, fromX, y, x, promoChar,
10029 if(killX >= 0 && killY >= 0)
10030 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10032 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10033 int timeLeft; static int lastLoadFlag=0; int king, piece;
10034 piece = boards[forwardMostMove][fromY][fromX];
10035 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10036 if(gameInfo.variant == VariantKnightmate)
10037 king += (int) WhiteUnicorn - (int) WhiteKing;
10038 if(forwardMostMove == 0) {
10039 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10040 fprintf(serverMoves, "%s;", UserName());
10041 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10042 fprintf(serverMoves, "%s;", second.tidy);
10043 fprintf(serverMoves, "%s;", first.tidy);
10044 if(gameMode == MachinePlaysWhite)
10045 fprintf(serverMoves, "%s;", UserName());
10046 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10047 fprintf(serverMoves, "%s;", second.tidy);
10048 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10049 lastLoadFlag = loadFlag;
10051 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10052 // print castling suffix
10053 if( toY == fromY && piece == king ) {
10055 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10057 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10060 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10061 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10062 boards[forwardMostMove][toY][toX] == EmptySquare
10063 && fromX != toX && fromY != toY)
10064 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10065 // promotion suffix
10066 if(promoChar != NULLCHAR) {
10067 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10068 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10069 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10070 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10073 char buf[MOVE_LEN*2], *p; int len;
10074 fprintf(serverMoves, "/%d/%d",
10075 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10076 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10077 else timeLeft = blackTimeRemaining/1000;
10078 fprintf(serverMoves, "/%d", timeLeft);
10079 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10080 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10081 if(p = strchr(buf, '=')) *p = NULLCHAR;
10082 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10083 fprintf(serverMoves, "/%s", buf);
10085 fflush(serverMoves);
10088 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10089 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10092 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10093 if (commentList[forwardMostMove+1] != NULL) {
10094 free(commentList[forwardMostMove+1]);
10095 commentList[forwardMostMove+1] = NULL;
10097 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10098 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10099 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10100 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10101 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10102 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10103 adjustedClock = FALSE;
10104 gameInfo.result = GameUnfinished;
10105 if (gameInfo.resultDetails != NULL) {
10106 free(gameInfo.resultDetails);
10107 gameInfo.resultDetails = NULL;
10109 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10110 moveList[forwardMostMove - 1]);
10111 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10117 if(gameInfo.variant != VariantShogi)
10118 strcat(parseList[forwardMostMove - 1], "+");
10122 strcat(parseList[forwardMostMove - 1], "#");
10127 /* Updates currentMove if not pausing */
10129 ShowMove (int fromX, int fromY, int toX, int toY)
10131 int instant = (gameMode == PlayFromGameFile) ?
10132 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10133 if(appData.noGUI) return;
10134 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10136 if (forwardMostMove == currentMove + 1) {
10137 AnimateMove(boards[forwardMostMove - 1],
10138 fromX, fromY, toX, toY);
10141 currentMove = forwardMostMove;
10144 killX = killY = -1; // [HGM] lion: used up
10146 if (instant) return;
10148 DisplayMove(currentMove - 1);
10149 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10150 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10151 SetHighlights(fromX, fromY, toX, toY);
10154 DrawPosition(FALSE, boards[currentMove]);
10155 DisplayBothClocks();
10156 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10160 SendEgtPath (ChessProgramState *cps)
10161 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10162 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10164 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10167 char c, *q = name+1, *r, *s;
10169 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10170 while(*p && *p != ',') *q++ = *p++;
10171 *q++ = ':'; *q = 0;
10172 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10173 strcmp(name, ",nalimov:") == 0 ) {
10174 // take nalimov path from the menu-changeable option first, if it is defined
10175 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10176 SendToProgram(buf,cps); // send egtbpath command for nalimov
10178 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10179 (s = StrStr(appData.egtFormats, name)) != NULL) {
10180 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10181 s = r = StrStr(s, ":") + 1; // beginning of path info
10182 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10183 c = *r; *r = 0; // temporarily null-terminate path info
10184 *--q = 0; // strip of trailig ':' from name
10185 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10187 SendToProgram(buf,cps); // send egtbpath command for this format
10189 if(*p == ',') p++; // read away comma to position for next format name
10194 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10196 int width = 8, height = 8, holdings = 0; // most common sizes
10197 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10198 // correct the deviations default for each variant
10199 if( v == VariantXiangqi ) width = 9, height = 10;
10200 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10201 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10202 if( v == VariantCapablanca || v == VariantCapaRandom ||
10203 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10205 if( v == VariantCourier ) width = 12;
10206 if( v == VariantSuper ) holdings = 8;
10207 if( v == VariantGreat ) width = 10, holdings = 8;
10208 if( v == VariantSChess ) holdings = 7;
10209 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10210 if( v == VariantChuChess) width = 10, height = 10;
10211 if( v == VariantChu ) width = 12, height = 12;
10212 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10213 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10214 holdingsSize >= 0 && holdingsSize != holdings;
10217 char variantError[MSG_SIZ];
10220 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10221 { // returns error message (recognizable by upper-case) if engine does not support the variant
10222 char *p, *variant = VariantName(v);
10223 static char b[MSG_SIZ];
10224 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10225 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10226 holdingsSize, variant); // cook up sized variant name
10227 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10228 if(StrStr(list, b) == NULL) {
10229 // specific sized variant not known, check if general sizing allowed
10230 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10231 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10232 boardWidth, boardHeight, holdingsSize, engine);
10235 /* [HGM] here we really should compare with the maximum supported board size */
10237 } else snprintf(b, MSG_SIZ,"%s", variant);
10238 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10239 p = StrStr(list, b);
10240 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10242 // occurs not at all in list, or only as sub-string
10243 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10244 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10245 int l = strlen(variantError);
10247 while(p != list && p[-1] != ',') p--;
10248 q = strchr(p, ',');
10249 if(q) *q = NULLCHAR;
10250 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10259 InitChessProgram (ChessProgramState *cps, int setup)
10260 /* setup needed to setup FRC opening position */
10262 char buf[MSG_SIZ], *b;
10263 if (appData.noChessProgram) return;
10264 hintRequested = FALSE;
10265 bookRequested = FALSE;
10267 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10268 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10269 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10270 if(cps->memSize) { /* [HGM] memory */
10271 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10272 SendToProgram(buf, cps);
10274 SendEgtPath(cps); /* [HGM] EGT */
10275 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10276 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10277 SendToProgram(buf, cps);
10280 SendToProgram(cps->initString, cps);
10281 if (gameInfo.variant != VariantNormal &&
10282 gameInfo.variant != VariantLoadable
10283 /* [HGM] also send variant if board size non-standard */
10284 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10286 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10287 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10289 DisplayFatalError(variantError, 0, 1);
10293 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10294 SendToProgram(buf, cps);
10296 currentlyInitializedVariant = gameInfo.variant;
10298 /* [HGM] send opening position in FRC to first engine */
10300 SendToProgram("force\n", cps);
10302 /* engine is now in force mode! Set flag to wake it up after first move. */
10303 setboardSpoiledMachineBlack = 1;
10306 if (cps->sendICS) {
10307 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10308 SendToProgram(buf, cps);
10310 cps->maybeThinking = FALSE;
10311 cps->offeredDraw = 0;
10312 if (!appData.icsActive) {
10313 SendTimeControl(cps, movesPerSession, timeControl,
10314 timeIncrement, appData.searchDepth,
10317 if (appData.showThinking
10318 // [HGM] thinking: four options require thinking output to be sent
10319 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10321 SendToProgram("post\n", cps);
10323 SendToProgram("hard\n", cps);
10324 if (!appData.ponderNextMove) {
10325 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10326 it without being sure what state we are in first. "hard"
10327 is not a toggle, so that one is OK.
10329 SendToProgram("easy\n", cps);
10331 if (cps->usePing) {
10332 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10333 SendToProgram(buf, cps);
10335 cps->initDone = TRUE;
10336 ClearEngineOutputPane(cps == &second);
10341 ResendOptions (ChessProgramState *cps)
10342 { // send the stored value of the options
10345 Option *opt = cps->option;
10346 for(i=0; i<cps->nrOptions; i++, opt++) {
10347 switch(opt->type) {
10351 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10354 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10357 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10363 SendToProgram(buf, cps);
10368 StartChessProgram (ChessProgramState *cps)
10373 if (appData.noChessProgram) return;
10374 cps->initDone = FALSE;
10376 if (strcmp(cps->host, "localhost") == 0) {
10377 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10378 } else if (*appData.remoteShell == NULLCHAR) {
10379 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10381 if (*appData.remoteUser == NULLCHAR) {
10382 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10385 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10386 cps->host, appData.remoteUser, cps->program);
10388 err = StartChildProcess(buf, "", &cps->pr);
10392 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10393 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10394 if(cps != &first) return;
10395 appData.noChessProgram = TRUE;
10398 // DisplayFatalError(buf, err, 1);
10399 // cps->pr = NoProc;
10400 // cps->isr = NULL;
10404 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10405 if (cps->protocolVersion > 1) {
10406 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10407 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10408 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10409 cps->comboCnt = 0; // and values of combo boxes
10411 SendToProgram(buf, cps);
10412 if(cps->reload) ResendOptions(cps);
10414 SendToProgram("xboard\n", cps);
10419 TwoMachinesEventIfReady P((void))
10421 static int curMess = 0;
10422 if (first.lastPing != first.lastPong) {
10423 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10424 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10427 if (second.lastPing != second.lastPong) {
10428 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10429 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10432 DisplayMessage("", ""); curMess = 0;
10433 TwoMachinesEvent();
10437 MakeName (char *template)
10441 static char buf[MSG_SIZ];
10445 clock = time((time_t *)NULL);
10446 tm = localtime(&clock);
10448 while(*p++ = *template++) if(p[-1] == '%') {
10449 switch(*template++) {
10450 case 0: *p = 0; return buf;
10451 case 'Y': i = tm->tm_year+1900; break;
10452 case 'y': i = tm->tm_year-100; break;
10453 case 'M': i = tm->tm_mon+1; break;
10454 case 'd': i = tm->tm_mday; break;
10455 case 'h': i = tm->tm_hour; break;
10456 case 'm': i = tm->tm_min; break;
10457 case 's': i = tm->tm_sec; break;
10460 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10466 CountPlayers (char *p)
10469 while(p = strchr(p, '\n')) p++, n++; // count participants
10474 WriteTourneyFile (char *results, FILE *f)
10475 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10476 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10477 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10478 // create a file with tournament description
10479 fprintf(f, "-participants {%s}\n", appData.participants);
10480 fprintf(f, "-seedBase %d\n", appData.seedBase);
10481 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10482 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10483 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10484 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10485 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10486 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10487 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10488 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10489 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10490 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10491 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10492 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10493 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10494 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10495 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10496 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10497 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10498 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10499 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10500 fprintf(f, "-smpCores %d\n", appData.smpCores);
10502 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10504 fprintf(f, "-mps %d\n", appData.movesPerSession);
10505 fprintf(f, "-tc %s\n", appData.timeControl);
10506 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10508 fprintf(f, "-results \"%s\"\n", results);
10513 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10516 Substitute (char *participants, int expunge)
10518 int i, changed, changes=0, nPlayers=0;
10519 char *p, *q, *r, buf[MSG_SIZ];
10520 if(participants == NULL) return;
10521 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10522 r = p = participants; q = appData.participants;
10523 while(*p && *p == *q) {
10524 if(*p == '\n') r = p+1, nPlayers++;
10527 if(*p) { // difference
10528 while(*p && *p++ != '\n');
10529 while(*q && *q++ != '\n');
10530 changed = nPlayers;
10531 changes = 1 + (strcmp(p, q) != 0);
10533 if(changes == 1) { // a single engine mnemonic was changed
10534 q = r; while(*q) nPlayers += (*q++ == '\n');
10535 p = buf; while(*r && (*p = *r++) != '\n') p++;
10537 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10538 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10539 if(mnemonic[i]) { // The substitute is valid
10541 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10542 flock(fileno(f), LOCK_EX);
10543 ParseArgsFromFile(f);
10544 fseek(f, 0, SEEK_SET);
10545 FREE(appData.participants); appData.participants = participants;
10546 if(expunge) { // erase results of replaced engine
10547 int len = strlen(appData.results), w, b, dummy;
10548 for(i=0; i<len; i++) {
10549 Pairing(i, nPlayers, &w, &b, &dummy);
10550 if((w == changed || b == changed) && appData.results[i] == '*') {
10551 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10556 for(i=0; i<len; i++) {
10557 Pairing(i, nPlayers, &w, &b, &dummy);
10558 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10561 WriteTourneyFile(appData.results, f);
10562 fclose(f); // release lock
10565 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10567 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10568 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10569 free(participants);
10574 CheckPlayers (char *participants)
10577 char buf[MSG_SIZ], *p;
10578 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10579 while(p = strchr(participants, '\n')) {
10581 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10583 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10585 DisplayError(buf, 0);
10589 participants = p + 1;
10595 CreateTourney (char *name)
10598 if(matchMode && strcmp(name, appData.tourneyFile)) {
10599 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10601 if(name[0] == NULLCHAR) {
10602 if(appData.participants[0])
10603 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10606 f = fopen(name, "r");
10607 if(f) { // file exists
10608 ASSIGN(appData.tourneyFile, name);
10609 ParseArgsFromFile(f); // parse it
10611 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10612 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10613 DisplayError(_("Not enough participants"), 0);
10616 if(CheckPlayers(appData.participants)) return 0;
10617 ASSIGN(appData.tourneyFile, name);
10618 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10619 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10622 appData.noChessProgram = FALSE;
10623 appData.clockMode = TRUE;
10629 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10631 char buf[MSG_SIZ], *p, *q;
10632 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10633 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10634 skip = !all && group[0]; // if group requested, we start in skip mode
10635 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10636 p = names; q = buf; header = 0;
10637 while(*p && *p != '\n') *q++ = *p++;
10639 if(*p == '\n') p++;
10640 if(buf[0] == '#') {
10641 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10642 depth++; // we must be entering a new group
10643 if(all) continue; // suppress printing group headers when complete list requested
10645 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10647 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10648 if(engineList[i]) free(engineList[i]);
10649 engineList[i] = strdup(buf);
10650 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10651 if(engineMnemonic[i]) free(engineMnemonic[i]);
10652 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10654 sscanf(q + 8, "%s", buf + strlen(buf));
10657 engineMnemonic[i] = strdup(buf);
10660 engineList[i] = engineMnemonic[i] = NULL;
10664 // following implemented as macro to avoid type limitations
10665 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10668 SwapEngines (int n)
10669 { // swap settings for first engine and other engine (so far only some selected options)
10674 SWAP(chessProgram, p)
10676 SWAP(hasOwnBookUCI, h)
10677 SWAP(protocolVersion, h)
10679 SWAP(scoreIsAbsolute, h)
10684 SWAP(engOptions, p)
10685 SWAP(engInitString, p)
10686 SWAP(computerString, p)
10688 SWAP(fenOverride, p)
10690 SWAP(accumulateTC, h)
10695 GetEngineLine (char *s, int n)
10699 extern char *icsNames;
10700 if(!s || !*s) return 0;
10701 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10702 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10703 if(!mnemonic[i]) return 0;
10704 if(n == 11) return 1; // just testing if there was a match
10705 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10706 if(n == 1) SwapEngines(n);
10707 ParseArgsFromString(buf);
10708 if(n == 1) SwapEngines(n);
10709 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10710 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10711 ParseArgsFromString(buf);
10717 SetPlayer (int player, char *p)
10718 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10720 char buf[MSG_SIZ], *engineName;
10721 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10722 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10723 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10725 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10726 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10727 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10728 ParseArgsFromString(buf);
10729 } else { // no engine with this nickname is installed!
10730 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10731 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10732 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10734 DisplayError(buf, 0);
10741 char *recentEngines;
10744 RecentEngineEvent (int nr)
10747 // SwapEngines(1); // bump first to second
10748 // ReplaceEngine(&second, 1); // and load it there
10749 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10750 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10751 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10752 ReplaceEngine(&first, 0);
10753 FloatToFront(&appData.recentEngineList, command[n]);
10758 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10759 { // determine players from game number
10760 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10762 if(appData.tourneyType == 0) {
10763 roundsPerCycle = (nPlayers - 1) | 1;
10764 pairingsPerRound = nPlayers / 2;
10765 } else if(appData.tourneyType > 0) {
10766 roundsPerCycle = nPlayers - appData.tourneyType;
10767 pairingsPerRound = appData.tourneyType;
10769 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10770 gamesPerCycle = gamesPerRound * roundsPerCycle;
10771 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10772 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10773 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10774 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10775 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10776 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10778 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10779 if(appData.roundSync) *syncInterval = gamesPerRound;
10781 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10783 if(appData.tourneyType == 0) {
10784 if(curPairing == (nPlayers-1)/2 ) {
10785 *whitePlayer = curRound;
10786 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10788 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10789 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10790 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10791 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10793 } else if(appData.tourneyType > 1) {
10794 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10795 *whitePlayer = curRound + appData.tourneyType;
10796 } else if(appData.tourneyType > 0) {
10797 *whitePlayer = curPairing;
10798 *blackPlayer = curRound + appData.tourneyType;
10801 // take care of white/black alternation per round.
10802 // For cycles and games this is already taken care of by default, derived from matchGame!
10803 return curRound & 1;
10807 NextTourneyGame (int nr, int *swapColors)
10808 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10810 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10812 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10813 tf = fopen(appData.tourneyFile, "r");
10814 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10815 ParseArgsFromFile(tf); fclose(tf);
10816 InitTimeControls(); // TC might be altered from tourney file
10818 nPlayers = CountPlayers(appData.participants); // count participants
10819 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10820 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10823 p = q = appData.results;
10824 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10825 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10826 DisplayMessage(_("Waiting for other game(s)"),"");
10827 waitingForGame = TRUE;
10828 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10831 waitingForGame = FALSE;
10834 if(appData.tourneyType < 0) {
10835 if(nr>=0 && !pairingReceived) {
10837 if(pairing.pr == NoProc) {
10838 if(!appData.pairingEngine[0]) {
10839 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10842 StartChessProgram(&pairing); // starts the pairing engine
10844 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10845 SendToProgram(buf, &pairing);
10846 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10847 SendToProgram(buf, &pairing);
10848 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10850 pairingReceived = 0; // ... so we continue here
10852 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10853 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10854 matchGame = 1; roundNr = nr / syncInterval + 1;
10857 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10859 // redefine engines, engine dir, etc.
10860 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10861 if(first.pr == NoProc) {
10862 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10863 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10865 if(second.pr == NoProc) {
10867 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10868 SwapEngines(1); // and make that valid for second engine by swapping
10869 InitEngine(&second, 1);
10871 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10872 UpdateLogos(FALSE); // leave display to ModeHiglight()
10878 { // performs game initialization that does not invoke engines, and then tries to start the game
10879 int res, firstWhite, swapColors = 0;
10880 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10881 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
10883 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10884 if(strcmp(buf, currentDebugFile)) { // name has changed
10885 FILE *f = fopen(buf, "w");
10886 if(f) { // if opening the new file failed, just keep using the old one
10887 ASSIGN(currentDebugFile, buf);
10891 if(appData.serverFileName) {
10892 if(serverFP) fclose(serverFP);
10893 serverFP = fopen(appData.serverFileName, "w");
10894 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10895 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10899 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10900 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10901 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10902 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10903 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10904 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10905 Reset(FALSE, first.pr != NoProc);
10906 res = LoadGameOrPosition(matchGame); // setup game
10907 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10908 if(!res) return; // abort when bad game/pos file
10909 TwoMachinesEvent();
10913 UserAdjudicationEvent (int result)
10915 ChessMove gameResult = GameIsDrawn;
10918 gameResult = WhiteWins;
10920 else if( result < 0 ) {
10921 gameResult = BlackWins;
10924 if( gameMode == TwoMachinesPlay ) {
10925 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10930 // [HGM] save: calculate checksum of game to make games easily identifiable
10932 StringCheckSum (char *s)
10935 if(s==NULL) return 0;
10936 while(*s) i = i*259 + *s++;
10944 for(i=backwardMostMove; i<forwardMostMove; i++) {
10945 sum += pvInfoList[i].depth;
10946 sum += StringCheckSum(parseList[i]);
10947 sum += StringCheckSum(commentList[i]);
10950 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10951 return sum + StringCheckSum(commentList[i]);
10952 } // end of save patch
10955 GameEnds (ChessMove result, char *resultDetails, int whosays)
10957 GameMode nextGameMode;
10959 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10961 if(endingGame) return; /* [HGM] crash: forbid recursion */
10963 if(twoBoards) { // [HGM] dual: switch back to one board
10964 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10965 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10967 if (appData.debugMode) {
10968 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10969 result, resultDetails ? resultDetails : "(null)", whosays);
10972 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
10974 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10976 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10977 /* If we are playing on ICS, the server decides when the
10978 game is over, but the engine can offer to draw, claim
10982 if (appData.zippyPlay && first.initDone) {
10983 if (result == GameIsDrawn) {
10984 /* In case draw still needs to be claimed */
10985 SendToICS(ics_prefix);
10986 SendToICS("draw\n");
10987 } else if (StrCaseStr(resultDetails, "resign")) {
10988 SendToICS(ics_prefix);
10989 SendToICS("resign\n");
10993 endingGame = 0; /* [HGM] crash */
10997 /* If we're loading the game from a file, stop */
10998 if (whosays == GE_FILE) {
10999 (void) StopLoadGameTimer();
11003 /* Cancel draw offers */
11004 first.offeredDraw = second.offeredDraw = 0;
11006 /* If this is an ICS game, only ICS can really say it's done;
11007 if not, anyone can. */
11008 isIcsGame = (gameMode == IcsPlayingWhite ||
11009 gameMode == IcsPlayingBlack ||
11010 gameMode == IcsObserving ||
11011 gameMode == IcsExamining);
11013 if (!isIcsGame || whosays == GE_ICS) {
11014 /* OK -- not an ICS game, or ICS said it was done */
11016 if (!isIcsGame && !appData.noChessProgram)
11017 SetUserThinkingEnables();
11019 /* [HGM] if a machine claims the game end we verify this claim */
11020 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11021 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11023 ChessMove trueResult = (ChessMove) -1;
11025 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11026 first.twoMachinesColor[0] :
11027 second.twoMachinesColor[0] ;
11029 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11030 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11031 /* [HGM] verify: engine mate claims accepted if they were flagged */
11032 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11034 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11035 /* [HGM] verify: engine mate claims accepted if they were flagged */
11036 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11038 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11039 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11042 // now verify win claims, but not in drop games, as we don't understand those yet
11043 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11044 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11045 (result == WhiteWins && claimer == 'w' ||
11046 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11047 if (appData.debugMode) {
11048 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11049 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11051 if(result != trueResult) {
11052 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11053 result = claimer == 'w' ? BlackWins : WhiteWins;
11054 resultDetails = buf;
11057 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11058 && (forwardMostMove <= backwardMostMove ||
11059 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11060 (claimer=='b')==(forwardMostMove&1))
11062 /* [HGM] verify: draws that were not flagged are false claims */
11063 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11064 result = claimer == 'w' ? BlackWins : WhiteWins;
11065 resultDetails = buf;
11067 /* (Claiming a loss is accepted no questions asked!) */
11068 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11069 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11070 result = GameUnfinished;
11071 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11073 /* [HGM] bare: don't allow bare King to win */
11074 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11075 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11076 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11077 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11078 && result != GameIsDrawn)
11079 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11080 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11081 int p = (signed char)boards[forwardMostMove][i][j] - color;
11082 if(p >= 0 && p <= (int)WhiteKing) k++;
11084 if (appData.debugMode) {
11085 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11086 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11089 result = GameIsDrawn;
11090 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11091 resultDetails = buf;
11097 if(serverMoves != NULL && !loadFlag) { char c = '=';
11098 if(result==WhiteWins) c = '+';
11099 if(result==BlackWins) c = '-';
11100 if(resultDetails != NULL)
11101 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11103 if (resultDetails != NULL) {
11104 gameInfo.result = result;
11105 gameInfo.resultDetails = StrSave(resultDetails);
11107 /* display last move only if game was not loaded from file */
11108 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11109 DisplayMove(currentMove - 1);
11111 if (forwardMostMove != 0) {
11112 if (gameMode != PlayFromGameFile && gameMode != EditGame
11113 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11115 if (*appData.saveGameFile != NULLCHAR) {
11116 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11117 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11119 SaveGameToFile(appData.saveGameFile, TRUE);
11120 } else if (appData.autoSaveGames) {
11121 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11123 if (*appData.savePositionFile != NULLCHAR) {
11124 SavePositionToFile(appData.savePositionFile);
11126 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11130 /* Tell program how game ended in case it is learning */
11131 /* [HGM] Moved this to after saving the PGN, just in case */
11132 /* engine died and we got here through time loss. In that */
11133 /* case we will get a fatal error writing the pipe, which */
11134 /* would otherwise lose us the PGN. */
11135 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11136 /* output during GameEnds should never be fatal anymore */
11137 if (gameMode == MachinePlaysWhite ||
11138 gameMode == MachinePlaysBlack ||
11139 gameMode == TwoMachinesPlay ||
11140 gameMode == IcsPlayingWhite ||
11141 gameMode == IcsPlayingBlack ||
11142 gameMode == BeginningOfGame) {
11144 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11146 if (first.pr != NoProc) {
11147 SendToProgram(buf, &first);
11149 if (second.pr != NoProc &&
11150 gameMode == TwoMachinesPlay) {
11151 SendToProgram(buf, &second);
11156 if (appData.icsActive) {
11157 if (appData.quietPlay &&
11158 (gameMode == IcsPlayingWhite ||
11159 gameMode == IcsPlayingBlack)) {
11160 SendToICS(ics_prefix);
11161 SendToICS("set shout 1\n");
11163 nextGameMode = IcsIdle;
11164 ics_user_moved = FALSE;
11165 /* clean up premove. It's ugly when the game has ended and the
11166 * premove highlights are still on the board.
11169 gotPremove = FALSE;
11170 ClearPremoveHighlights();
11171 DrawPosition(FALSE, boards[currentMove]);
11173 if (whosays == GE_ICS) {
11176 if (gameMode == IcsPlayingWhite)
11178 else if(gameMode == IcsPlayingBlack)
11179 PlayIcsLossSound();
11182 if (gameMode == IcsPlayingBlack)
11184 else if(gameMode == IcsPlayingWhite)
11185 PlayIcsLossSound();
11188 PlayIcsDrawSound();
11191 PlayIcsUnfinishedSound();
11194 if(appData.quitNext) { ExitEvent(0); return; }
11195 } else if (gameMode == EditGame ||
11196 gameMode == PlayFromGameFile ||
11197 gameMode == AnalyzeMode ||
11198 gameMode == AnalyzeFile) {
11199 nextGameMode = gameMode;
11201 nextGameMode = EndOfGame;
11206 nextGameMode = gameMode;
11209 if (appData.noChessProgram) {
11210 gameMode = nextGameMode;
11212 endingGame = 0; /* [HGM] crash */
11217 /* Put first chess program into idle state */
11218 if (first.pr != NoProc &&
11219 (gameMode == MachinePlaysWhite ||
11220 gameMode == MachinePlaysBlack ||
11221 gameMode == TwoMachinesPlay ||
11222 gameMode == IcsPlayingWhite ||
11223 gameMode == IcsPlayingBlack ||
11224 gameMode == BeginningOfGame)) {
11225 SendToProgram("force\n", &first);
11226 if (first.usePing) {
11228 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11229 SendToProgram(buf, &first);
11232 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11233 /* Kill off first chess program */
11234 if (first.isr != NULL)
11235 RemoveInputSource(first.isr);
11238 if (first.pr != NoProc) {
11240 DoSleep( appData.delayBeforeQuit );
11241 SendToProgram("quit\n", &first);
11242 DoSleep( appData.delayAfterQuit );
11243 DestroyChildProcess(first.pr, first.useSigterm);
11244 first.reload = TRUE;
11248 if (second.reuse) {
11249 /* Put second chess program into idle state */
11250 if (second.pr != NoProc &&
11251 gameMode == TwoMachinesPlay) {
11252 SendToProgram("force\n", &second);
11253 if (second.usePing) {
11255 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11256 SendToProgram(buf, &second);
11259 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11260 /* Kill off second chess program */
11261 if (second.isr != NULL)
11262 RemoveInputSource(second.isr);
11265 if (second.pr != NoProc) {
11266 DoSleep( appData.delayBeforeQuit );
11267 SendToProgram("quit\n", &second);
11268 DoSleep( appData.delayAfterQuit );
11269 DestroyChildProcess(second.pr, second.useSigterm);
11270 second.reload = TRUE;
11272 second.pr = NoProc;
11275 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11276 char resChar = '=';
11280 if (first.twoMachinesColor[0] == 'w') {
11283 second.matchWins++;
11288 if (first.twoMachinesColor[0] == 'b') {
11291 second.matchWins++;
11294 case GameUnfinished:
11300 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11301 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11302 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11303 ReserveGame(nextGame, resChar); // sets nextGame
11304 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11305 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11306 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11308 if (nextGame <= appData.matchGames && !abortMatch) {
11309 gameMode = nextGameMode;
11310 matchGame = nextGame; // this will be overruled in tourney mode!
11311 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11312 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11313 endingGame = 0; /* [HGM] crash */
11316 gameMode = nextGameMode;
11317 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11318 first.tidy, second.tidy,
11319 first.matchWins, second.matchWins,
11320 appData.matchGames - (first.matchWins + second.matchWins));
11321 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11322 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11323 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11324 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11325 first.twoMachinesColor = "black\n";
11326 second.twoMachinesColor = "white\n";
11328 first.twoMachinesColor = "white\n";
11329 second.twoMachinesColor = "black\n";
11333 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11334 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11336 gameMode = nextGameMode;
11338 endingGame = 0; /* [HGM] crash */
11339 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11340 if(matchMode == TRUE) { // match through command line: exit with or without popup
11342 ToNrEvent(forwardMostMove);
11343 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11345 } else DisplayFatalError(buf, 0, 0);
11346 } else { // match through menu; just stop, with or without popup
11347 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11350 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11351 } else DisplayNote(buf);
11353 if(ranking) free(ranking);
11357 /* Assumes program was just initialized (initString sent).
11358 Leaves program in force mode. */
11360 FeedMovesToProgram (ChessProgramState *cps, int upto)
11364 if (appData.debugMode)
11365 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11366 startedFromSetupPosition ? "position and " : "",
11367 backwardMostMove, upto, cps->which);
11368 if(currentlyInitializedVariant != gameInfo.variant) {
11370 // [HGM] variantswitch: make engine aware of new variant
11371 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11372 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11373 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11374 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11375 SendToProgram(buf, cps);
11376 currentlyInitializedVariant = gameInfo.variant;
11378 SendToProgram("force\n", cps);
11379 if (startedFromSetupPosition) {
11380 SendBoard(cps, backwardMostMove);
11381 if (appData.debugMode) {
11382 fprintf(debugFP, "feedMoves\n");
11385 for (i = backwardMostMove; i < upto; i++) {
11386 SendMoveToProgram(i, cps);
11392 ResurrectChessProgram ()
11394 /* The chess program may have exited.
11395 If so, restart it and feed it all the moves made so far. */
11396 static int doInit = 0;
11398 if (appData.noChessProgram) return 1;
11400 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11401 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11402 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11403 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11405 if (first.pr != NoProc) return 1;
11406 StartChessProgram(&first);
11408 InitChessProgram(&first, FALSE);
11409 FeedMovesToProgram(&first, currentMove);
11411 if (!first.sendTime) {
11412 /* can't tell gnuchess what its clock should read,
11413 so we bow to its notion. */
11415 timeRemaining[0][currentMove] = whiteTimeRemaining;
11416 timeRemaining[1][currentMove] = blackTimeRemaining;
11419 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11420 appData.icsEngineAnalyze) && first.analysisSupport) {
11421 SendToProgram("analyze\n", &first);
11422 first.analyzing = TRUE;
11428 * Button procedures
11431 Reset (int redraw, int init)
11435 if (appData.debugMode) {
11436 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11437 redraw, init, gameMode);
11439 CleanupTail(); // [HGM] vari: delete any stored variations
11440 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11441 pausing = pauseExamInvalid = FALSE;
11442 startedFromSetupPosition = blackPlaysFirst = FALSE;
11444 whiteFlag = blackFlag = FALSE;
11445 userOfferedDraw = FALSE;
11446 hintRequested = bookRequested = FALSE;
11447 first.maybeThinking = FALSE;
11448 second.maybeThinking = FALSE;
11449 first.bookSuspend = FALSE; // [HGM] book
11450 second.bookSuspend = FALSE;
11451 thinkOutput[0] = NULLCHAR;
11452 lastHint[0] = NULLCHAR;
11453 ClearGameInfo(&gameInfo);
11454 gameInfo.variant = StringToVariant(appData.variant);
11455 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11456 ics_user_moved = ics_clock_paused = FALSE;
11457 ics_getting_history = H_FALSE;
11459 white_holding[0] = black_holding[0] = NULLCHAR;
11460 ClearProgramStats();
11461 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11465 flipView = appData.flipView;
11466 ClearPremoveHighlights();
11467 gotPremove = FALSE;
11468 alarmSounded = FALSE;
11469 killX = killY = -1; // [HGM] lion
11471 GameEnds(EndOfFile, NULL, GE_PLAYER);
11472 if(appData.serverMovesName != NULL) {
11473 /* [HGM] prepare to make moves file for broadcasting */
11474 clock_t t = clock();
11475 if(serverMoves != NULL) fclose(serverMoves);
11476 serverMoves = fopen(appData.serverMovesName, "r");
11477 if(serverMoves != NULL) {
11478 fclose(serverMoves);
11479 /* delay 15 sec before overwriting, so all clients can see end */
11480 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11482 serverMoves = fopen(appData.serverMovesName, "w");
11486 gameMode = BeginningOfGame;
11488 if(appData.icsActive) gameInfo.variant = VariantNormal;
11489 currentMove = forwardMostMove = backwardMostMove = 0;
11490 MarkTargetSquares(1);
11491 InitPosition(redraw);
11492 for (i = 0; i < MAX_MOVES; i++) {
11493 if (commentList[i] != NULL) {
11494 free(commentList[i]);
11495 commentList[i] = NULL;
11499 timeRemaining[0][0] = whiteTimeRemaining;
11500 timeRemaining[1][0] = blackTimeRemaining;
11502 if (first.pr == NoProc) {
11503 StartChessProgram(&first);
11506 InitChessProgram(&first, startedFromSetupPosition);
11509 DisplayMessage("", "");
11510 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11511 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11512 ClearMap(); // [HGM] exclude: invalidate map
11516 AutoPlayGameLoop ()
11519 if (!AutoPlayOneMove())
11521 if (matchMode || appData.timeDelay == 0)
11523 if (appData.timeDelay < 0)
11525 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11533 ReloadGame(1); // next game
11539 int fromX, fromY, toX, toY;
11541 if (appData.debugMode) {
11542 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11545 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11548 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11549 pvInfoList[currentMove].depth = programStats.depth;
11550 pvInfoList[currentMove].score = programStats.score;
11551 pvInfoList[currentMove].time = 0;
11552 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11553 else { // append analysis of final position as comment
11555 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11556 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11558 programStats.depth = 0;
11561 if (currentMove >= forwardMostMove) {
11562 if(gameMode == AnalyzeFile) {
11563 if(appData.loadGameIndex == -1) {
11564 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11565 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11567 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11570 // gameMode = EndOfGame;
11571 // ModeHighlight();
11573 /* [AS] Clear current move marker at the end of a game */
11574 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11579 toX = moveList[currentMove][2] - AAA;
11580 toY = moveList[currentMove][3] - ONE;
11582 if (moveList[currentMove][1] == '@') {
11583 if (appData.highlightLastMove) {
11584 SetHighlights(-1, -1, toX, toY);
11587 fromX = moveList[currentMove][0] - AAA;
11588 fromY = moveList[currentMove][1] - ONE;
11590 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11592 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11594 if (appData.highlightLastMove) {
11595 SetHighlights(fromX, fromY, toX, toY);
11598 DisplayMove(currentMove);
11599 SendMoveToProgram(currentMove++, &first);
11600 DisplayBothClocks();
11601 DrawPosition(FALSE, boards[currentMove]);
11602 // [HGM] PV info: always display, routine tests if empty
11603 DisplayComment(currentMove - 1, commentList[currentMove]);
11609 LoadGameOneMove (ChessMove readAhead)
11611 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11612 char promoChar = NULLCHAR;
11613 ChessMove moveType;
11614 char move[MSG_SIZ];
11617 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11618 gameMode != AnalyzeMode && gameMode != Training) {
11623 yyboardindex = forwardMostMove;
11624 if (readAhead != EndOfFile) {
11625 moveType = readAhead;
11627 if (gameFileFP == NULL)
11629 moveType = (ChessMove) Myylex();
11633 switch (moveType) {
11635 if (appData.debugMode)
11636 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11639 /* append the comment but don't display it */
11640 AppendComment(currentMove, p, FALSE);
11643 case WhiteCapturesEnPassant:
11644 case BlackCapturesEnPassant:
11645 case WhitePromotion:
11646 case BlackPromotion:
11647 case WhiteNonPromotion:
11648 case BlackNonPromotion:
11651 case WhiteKingSideCastle:
11652 case WhiteQueenSideCastle:
11653 case BlackKingSideCastle:
11654 case BlackQueenSideCastle:
11655 case WhiteKingSideCastleWild:
11656 case WhiteQueenSideCastleWild:
11657 case BlackKingSideCastleWild:
11658 case BlackQueenSideCastleWild:
11660 case WhiteHSideCastleFR:
11661 case WhiteASideCastleFR:
11662 case BlackHSideCastleFR:
11663 case BlackASideCastleFR:
11665 if (appData.debugMode)
11666 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11667 fromX = currentMoveString[0] - AAA;
11668 fromY = currentMoveString[1] - ONE;
11669 toX = currentMoveString[2] - AAA;
11670 toY = currentMoveString[3] - ONE;
11671 promoChar = currentMoveString[4];
11672 if(promoChar == ';') promoChar = NULLCHAR;
11677 if (appData.debugMode)
11678 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11679 fromX = moveType == WhiteDrop ?
11680 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11681 (int) CharToPiece(ToLower(currentMoveString[0]));
11683 toX = currentMoveString[2] - AAA;
11684 toY = currentMoveString[3] - ONE;
11690 case GameUnfinished:
11691 if (appData.debugMode)
11692 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11693 p = strchr(yy_text, '{');
11694 if (p == NULL) p = strchr(yy_text, '(');
11697 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11699 q = strchr(p, *p == '{' ? '}' : ')');
11700 if (q != NULL) *q = NULLCHAR;
11703 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11704 GameEnds(moveType, p, GE_FILE);
11706 if (cmailMsgLoaded) {
11708 flipView = WhiteOnMove(currentMove);
11709 if (moveType == GameUnfinished) flipView = !flipView;
11710 if (appData.debugMode)
11711 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11716 if (appData.debugMode)
11717 fprintf(debugFP, "Parser hit end of file\n");
11718 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11724 if (WhiteOnMove(currentMove)) {
11725 GameEnds(BlackWins, "Black mates", GE_FILE);
11727 GameEnds(WhiteWins, "White mates", GE_FILE);
11731 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11737 case MoveNumberOne:
11738 if (lastLoadGameStart == GNUChessGame) {
11739 /* GNUChessGames have numbers, but they aren't move numbers */
11740 if (appData.debugMode)
11741 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11742 yy_text, (int) moveType);
11743 return LoadGameOneMove(EndOfFile); /* tail recursion */
11745 /* else fall thru */
11750 /* Reached start of next game in file */
11751 if (appData.debugMode)
11752 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11753 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11759 if (WhiteOnMove(currentMove)) {
11760 GameEnds(BlackWins, "Black mates", GE_FILE);
11762 GameEnds(WhiteWins, "White mates", GE_FILE);
11766 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11772 case PositionDiagram: /* should not happen; ignore */
11773 case ElapsedTime: /* ignore */
11774 case NAG: /* ignore */
11775 if (appData.debugMode)
11776 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11777 yy_text, (int) moveType);
11778 return LoadGameOneMove(EndOfFile); /* tail recursion */
11781 if (appData.testLegality) {
11782 if (appData.debugMode)
11783 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11784 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11785 (forwardMostMove / 2) + 1,
11786 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11787 DisplayError(move, 0);
11790 if (appData.debugMode)
11791 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11792 yy_text, currentMoveString);
11793 fromX = currentMoveString[0] - AAA;
11794 fromY = currentMoveString[1] - ONE;
11795 toX = currentMoveString[2] - AAA;
11796 toY = currentMoveString[3] - ONE;
11797 promoChar = currentMoveString[4];
11801 case AmbiguousMove:
11802 if (appData.debugMode)
11803 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11804 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11805 (forwardMostMove / 2) + 1,
11806 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11807 DisplayError(move, 0);
11812 case ImpossibleMove:
11813 if (appData.debugMode)
11814 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11815 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11816 (forwardMostMove / 2) + 1,
11817 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11818 DisplayError(move, 0);
11824 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11825 DrawPosition(FALSE, boards[currentMove]);
11826 DisplayBothClocks();
11827 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11828 DisplayComment(currentMove - 1, commentList[currentMove]);
11830 (void) StopLoadGameTimer();
11832 cmailOldMove = forwardMostMove;
11835 /* currentMoveString is set as a side-effect of yylex */
11837 thinkOutput[0] = NULLCHAR;
11838 MakeMove(fromX, fromY, toX, toY, promoChar);
11839 killX = killY = -1; // [HGM] lion: used up
11840 currentMove = forwardMostMove;
11845 /* Load the nth game from the given file */
11847 LoadGameFromFile (char *filename, int n, char *title, int useList)
11852 if (strcmp(filename, "-") == 0) {
11856 f = fopen(filename, "rb");
11858 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11859 DisplayError(buf, errno);
11863 if (fseek(f, 0, 0) == -1) {
11864 /* f is not seekable; probably a pipe */
11867 if (useList && n == 0) {
11868 int error = GameListBuild(f);
11870 DisplayError(_("Cannot build game list"), error);
11871 } else if (!ListEmpty(&gameList) &&
11872 ((ListGame *) gameList.tailPred)->number > 1) {
11873 GameListPopUp(f, title);
11880 return LoadGame(f, n, title, FALSE);
11885 MakeRegisteredMove ()
11887 int fromX, fromY, toX, toY;
11889 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11890 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11893 if (appData.debugMode)
11894 fprintf(debugFP, "Restoring %s for game %d\n",
11895 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11897 thinkOutput[0] = NULLCHAR;
11898 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11899 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11900 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11901 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11902 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11903 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11904 MakeMove(fromX, fromY, toX, toY, promoChar);
11905 ShowMove(fromX, fromY, toX, toY);
11907 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11914 if (WhiteOnMove(currentMove)) {
11915 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11917 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11922 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11929 if (WhiteOnMove(currentMove)) {
11930 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11932 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11937 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11948 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11950 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11954 if (gameNumber > nCmailGames) {
11955 DisplayError(_("No more games in this message"), 0);
11958 if (f == lastLoadGameFP) {
11959 int offset = gameNumber - lastLoadGameNumber;
11961 cmailMsg[0] = NULLCHAR;
11962 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11963 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11964 nCmailMovesRegistered--;
11966 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11967 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11968 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11971 if (! RegisterMove()) return FALSE;
11975 retVal = LoadGame(f, gameNumber, title, useList);
11977 /* Make move registered during previous look at this game, if any */
11978 MakeRegisteredMove();
11980 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11981 commentList[currentMove]
11982 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11983 DisplayComment(currentMove - 1, commentList[currentMove]);
11989 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11991 ReloadGame (int offset)
11993 int gameNumber = lastLoadGameNumber + offset;
11994 if (lastLoadGameFP == NULL) {
11995 DisplayError(_("No game has been loaded yet"), 0);
11998 if (gameNumber <= 0) {
11999 DisplayError(_("Can't back up any further"), 0);
12002 if (cmailMsgLoaded) {
12003 return CmailLoadGame(lastLoadGameFP, gameNumber,
12004 lastLoadGameTitle, lastLoadGameUseList);
12006 return LoadGame(lastLoadGameFP, gameNumber,
12007 lastLoadGameTitle, lastLoadGameUseList);
12011 int keys[EmptySquare+1];
12014 PositionMatches (Board b1, Board b2)
12017 switch(appData.searchMode) {
12018 case 1: return CompareWithRights(b1, b2);
12020 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12021 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12025 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12026 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12027 sum += keys[b1[r][f]] - keys[b2[r][f]];
12031 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12032 sum += keys[b1[r][f]] - keys[b2[r][f]];
12044 int pieceList[256], quickBoard[256];
12045 ChessSquare pieceType[256] = { EmptySquare };
12046 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12047 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12048 int soughtTotal, turn;
12049 Boolean epOK, flipSearch;
12052 unsigned char piece, to;
12055 #define DSIZE (250000)
12057 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12058 Move *moveDatabase = initialSpace;
12059 unsigned int movePtr, dataSize = DSIZE;
12062 MakePieceList (Board board, int *counts)
12064 int r, f, n=Q_PROMO, total=0;
12065 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12066 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12067 int sq = f + (r<<4);
12068 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12069 quickBoard[sq] = ++n;
12071 pieceType[n] = board[r][f];
12072 counts[board[r][f]]++;
12073 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12074 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12078 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12083 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12085 int sq = fromX + (fromY<<4);
12086 int piece = quickBoard[sq];
12087 quickBoard[sq] = 0;
12088 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12089 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12090 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12091 moveDatabase[movePtr++].piece = Q_WCASTL;
12092 quickBoard[sq] = piece;
12093 piece = quickBoard[from]; quickBoard[from] = 0;
12094 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12096 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12097 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12098 moveDatabase[movePtr++].piece = Q_BCASTL;
12099 quickBoard[sq] = piece;
12100 piece = quickBoard[from]; quickBoard[from] = 0;
12101 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12103 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12104 quickBoard[(fromY<<4)+toX] = 0;
12105 moveDatabase[movePtr].piece = Q_EP;
12106 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12107 moveDatabase[movePtr].to = sq;
12109 if(promoPiece != pieceType[piece]) {
12110 moveDatabase[movePtr++].piece = Q_PROMO;
12111 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12113 moveDatabase[movePtr].piece = piece;
12114 quickBoard[sq] = piece;
12119 PackGame (Board board)
12121 Move *newSpace = NULL;
12122 moveDatabase[movePtr].piece = 0; // terminate previous game
12123 if(movePtr > dataSize) {
12124 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12125 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12126 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12129 Move *p = moveDatabase, *q = newSpace;
12130 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12131 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12132 moveDatabase = newSpace;
12133 } else { // calloc failed, we must be out of memory. Too bad...
12134 dataSize = 0; // prevent calloc events for all subsequent games
12135 return 0; // and signal this one isn't cached
12139 MakePieceList(board, counts);
12144 QuickCompare (Board board, int *minCounts, int *maxCounts)
12145 { // compare according to search mode
12147 switch(appData.searchMode)
12149 case 1: // exact position match
12150 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12151 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12152 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12155 case 2: // can have extra material on empty squares
12156 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12157 if(board[r][f] == EmptySquare) continue;
12158 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12161 case 3: // material with exact Pawn structure
12162 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12163 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12164 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12165 } // fall through to material comparison
12166 case 4: // exact material
12167 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12169 case 6: // material range with given imbalance
12170 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12171 // fall through to range comparison
12172 case 5: // material range
12173 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12179 QuickScan (Board board, Move *move)
12180 { // reconstruct game,and compare all positions in it
12181 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12183 int piece = move->piece;
12184 int to = move->to, from = pieceList[piece];
12185 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12186 if(!piece) return -1;
12187 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12188 piece = (++move)->piece;
12189 from = pieceList[piece];
12190 counts[pieceType[piece]]--;
12191 pieceType[piece] = (ChessSquare) move->to;
12192 counts[move->to]++;
12193 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12194 counts[pieceType[quickBoard[to]]]--;
12195 quickBoard[to] = 0; total--;
12198 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12199 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12200 from = pieceList[piece]; // so this must be King
12201 quickBoard[from] = 0;
12202 pieceList[piece] = to;
12203 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12204 quickBoard[from] = 0; // rook
12205 quickBoard[to] = piece;
12206 to = move->to; piece = move->piece;
12210 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12211 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12212 quickBoard[from] = 0;
12214 quickBoard[to] = piece;
12215 pieceList[piece] = to;
12217 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12218 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12219 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12220 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12222 static int lastCounts[EmptySquare+1];
12224 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12225 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12226 } else stretch = 0;
12227 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12236 flipSearch = FALSE;
12237 CopyBoard(soughtBoard, boards[currentMove]);
12238 soughtTotal = MakePieceList(soughtBoard, maxSought);
12239 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12240 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12241 CopyBoard(reverseBoard, boards[currentMove]);
12242 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12243 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12244 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12245 reverseBoard[r][f] = piece;
12247 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12248 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12249 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12250 || (boards[currentMove][CASTLING][2] == NoRights ||
12251 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12252 && (boards[currentMove][CASTLING][5] == NoRights ||
12253 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12256 CopyBoard(flipBoard, soughtBoard);
12257 CopyBoard(rotateBoard, reverseBoard);
12258 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12259 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12260 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12263 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12264 if(appData.searchMode >= 5) {
12265 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12266 MakePieceList(soughtBoard, minSought);
12267 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12269 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12270 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12273 GameInfo dummyInfo;
12274 static int creatingBook;
12277 GameContainsPosition (FILE *f, ListGame *lg)
12279 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12280 int fromX, fromY, toX, toY;
12282 static int initDone=FALSE;
12284 // weed out games based on numerical tag comparison
12285 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12286 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12287 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12288 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12290 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12293 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12294 else CopyBoard(boards[scratch], initialPosition); // default start position
12297 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12298 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12301 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12302 fseek(f, lg->offset, 0);
12305 yyboardindex = scratch;
12306 quickFlag = plyNr+1;
12311 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12317 if(plyNr) return -1; // after we have seen moves, this is for new game
12320 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12321 case ImpossibleMove:
12322 case WhiteWins: // game ends here with these four
12325 case GameUnfinished:
12329 if(appData.testLegality) return -1;
12330 case WhiteCapturesEnPassant:
12331 case BlackCapturesEnPassant:
12332 case WhitePromotion:
12333 case BlackPromotion:
12334 case WhiteNonPromotion:
12335 case BlackNonPromotion:
12338 case WhiteKingSideCastle:
12339 case WhiteQueenSideCastle:
12340 case BlackKingSideCastle:
12341 case BlackQueenSideCastle:
12342 case WhiteKingSideCastleWild:
12343 case WhiteQueenSideCastleWild:
12344 case BlackKingSideCastleWild:
12345 case BlackQueenSideCastleWild:
12346 case WhiteHSideCastleFR:
12347 case WhiteASideCastleFR:
12348 case BlackHSideCastleFR:
12349 case BlackASideCastleFR:
12350 fromX = currentMoveString[0] - AAA;
12351 fromY = currentMoveString[1] - ONE;
12352 toX = currentMoveString[2] - AAA;
12353 toY = currentMoveString[3] - ONE;
12354 promoChar = currentMoveString[4];
12358 fromX = next == WhiteDrop ?
12359 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12360 (int) CharToPiece(ToLower(currentMoveString[0]));
12362 toX = currentMoveString[2] - AAA;
12363 toY = currentMoveString[3] - ONE;
12367 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12369 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12370 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12371 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12372 if(appData.findMirror) {
12373 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12374 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12379 /* Load the nth game from open file f */
12381 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12385 int gn = gameNumber;
12386 ListGame *lg = NULL;
12387 int numPGNTags = 0;
12389 GameMode oldGameMode;
12390 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12392 if (appData.debugMode)
12393 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12395 if (gameMode == Training )
12396 SetTrainingModeOff();
12398 oldGameMode = gameMode;
12399 if (gameMode != BeginningOfGame) {
12400 Reset(FALSE, TRUE);
12402 killX = killY = -1; // [HGM] lion: in case we did not Reset
12405 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12406 fclose(lastLoadGameFP);
12410 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12413 fseek(f, lg->offset, 0);
12414 GameListHighlight(gameNumber);
12415 pos = lg->position;
12419 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12420 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12422 DisplayError(_("Game number out of range"), 0);
12427 if (fseek(f, 0, 0) == -1) {
12428 if (f == lastLoadGameFP ?
12429 gameNumber == lastLoadGameNumber + 1 :
12433 DisplayError(_("Can't seek on game file"), 0);
12438 lastLoadGameFP = f;
12439 lastLoadGameNumber = gameNumber;
12440 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12441 lastLoadGameUseList = useList;
12445 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12446 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12447 lg->gameInfo.black);
12449 } else if (*title != NULLCHAR) {
12450 if (gameNumber > 1) {
12451 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12454 DisplayTitle(title);
12458 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12459 gameMode = PlayFromGameFile;
12463 currentMove = forwardMostMove = backwardMostMove = 0;
12464 CopyBoard(boards[0], initialPosition);
12468 * Skip the first gn-1 games in the file.
12469 * Also skip over anything that precedes an identifiable
12470 * start of game marker, to avoid being confused by
12471 * garbage at the start of the file. Currently
12472 * recognized start of game markers are the move number "1",
12473 * the pattern "gnuchess .* game", the pattern
12474 * "^[#;%] [^ ]* game file", and a PGN tag block.
12475 * A game that starts with one of the latter two patterns
12476 * will also have a move number 1, possibly
12477 * following a position diagram.
12478 * 5-4-02: Let's try being more lenient and allowing a game to
12479 * start with an unnumbered move. Does that break anything?
12481 cm = lastLoadGameStart = EndOfFile;
12483 yyboardindex = forwardMostMove;
12484 cm = (ChessMove) Myylex();
12487 if (cmailMsgLoaded) {
12488 nCmailGames = CMAIL_MAX_GAMES - gn;
12491 DisplayError(_("Game not found in file"), 0);
12498 lastLoadGameStart = cm;
12501 case MoveNumberOne:
12502 switch (lastLoadGameStart) {
12507 case MoveNumberOne:
12509 gn--; /* count this game */
12510 lastLoadGameStart = cm;
12519 switch (lastLoadGameStart) {
12522 case MoveNumberOne:
12524 gn--; /* count this game */
12525 lastLoadGameStart = cm;
12528 lastLoadGameStart = cm; /* game counted already */
12536 yyboardindex = forwardMostMove;
12537 cm = (ChessMove) Myylex();
12538 } while (cm == PGNTag || cm == Comment);
12545 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12546 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12547 != CMAIL_OLD_RESULT) {
12549 cmailResult[ CMAIL_MAX_GAMES
12550 - gn - 1] = CMAIL_OLD_RESULT;
12557 /* Only a NormalMove can be at the start of a game
12558 * without a position diagram. */
12559 if (lastLoadGameStart == EndOfFile ) {
12561 lastLoadGameStart = MoveNumberOne;
12570 if (appData.debugMode)
12571 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12573 if (cm == XBoardGame) {
12574 /* Skip any header junk before position diagram and/or move 1 */
12576 yyboardindex = forwardMostMove;
12577 cm = (ChessMove) Myylex();
12579 if (cm == EndOfFile ||
12580 cm == GNUChessGame || cm == XBoardGame) {
12581 /* Empty game; pretend end-of-file and handle later */
12586 if (cm == MoveNumberOne || cm == PositionDiagram ||
12587 cm == PGNTag || cm == Comment)
12590 } else if (cm == GNUChessGame) {
12591 if (gameInfo.event != NULL) {
12592 free(gameInfo.event);
12594 gameInfo.event = StrSave(yy_text);
12597 startedFromSetupPosition = FALSE;
12598 while (cm == PGNTag) {
12599 if (appData.debugMode)
12600 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12601 err = ParsePGNTag(yy_text, &gameInfo);
12602 if (!err) numPGNTags++;
12604 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12605 if(gameInfo.variant != oldVariant) {
12606 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12607 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12608 InitPosition(TRUE);
12609 oldVariant = gameInfo.variant;
12610 if (appData.debugMode)
12611 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12615 if (gameInfo.fen != NULL) {
12616 Board initial_position;
12617 startedFromSetupPosition = TRUE;
12618 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12620 DisplayError(_("Bad FEN position in file"), 0);
12623 CopyBoard(boards[0], initial_position);
12624 if (blackPlaysFirst) {
12625 currentMove = forwardMostMove = backwardMostMove = 1;
12626 CopyBoard(boards[1], initial_position);
12627 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12628 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12629 timeRemaining[0][1] = whiteTimeRemaining;
12630 timeRemaining[1][1] = blackTimeRemaining;
12631 if (commentList[0] != NULL) {
12632 commentList[1] = commentList[0];
12633 commentList[0] = NULL;
12636 currentMove = forwardMostMove = backwardMostMove = 0;
12638 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12640 initialRulePlies = FENrulePlies;
12641 for( i=0; i< nrCastlingRights; i++ )
12642 initialRights[i] = initial_position[CASTLING][i];
12644 yyboardindex = forwardMostMove;
12645 free(gameInfo.fen);
12646 gameInfo.fen = NULL;
12649 yyboardindex = forwardMostMove;
12650 cm = (ChessMove) Myylex();
12652 /* Handle comments interspersed among the tags */
12653 while (cm == Comment) {
12655 if (appData.debugMode)
12656 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12658 AppendComment(currentMove, p, FALSE);
12659 yyboardindex = forwardMostMove;
12660 cm = (ChessMove) Myylex();
12664 /* don't rely on existence of Event tag since if game was
12665 * pasted from clipboard the Event tag may not exist
12667 if (numPGNTags > 0){
12669 if (gameInfo.variant == VariantNormal) {
12670 VariantClass v = StringToVariant(gameInfo.event);
12671 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12672 if(v < VariantShogi) gameInfo.variant = v;
12675 if( appData.autoDisplayTags ) {
12676 tags = PGNTags(&gameInfo);
12677 TagsPopUp(tags, CmailMsg());
12682 /* Make something up, but don't display it now */
12687 if (cm == PositionDiagram) {
12690 Board initial_position;
12692 if (appData.debugMode)
12693 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12695 if (!startedFromSetupPosition) {
12697 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12698 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12709 initial_position[i][j++] = CharToPiece(*p);
12712 while (*p == ' ' || *p == '\t' ||
12713 *p == '\n' || *p == '\r') p++;
12715 if (strncmp(p, "black", strlen("black"))==0)
12716 blackPlaysFirst = TRUE;
12718 blackPlaysFirst = FALSE;
12719 startedFromSetupPosition = TRUE;
12721 CopyBoard(boards[0], initial_position);
12722 if (blackPlaysFirst) {
12723 currentMove = forwardMostMove = backwardMostMove = 1;
12724 CopyBoard(boards[1], initial_position);
12725 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12726 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12727 timeRemaining[0][1] = whiteTimeRemaining;
12728 timeRemaining[1][1] = blackTimeRemaining;
12729 if (commentList[0] != NULL) {
12730 commentList[1] = commentList[0];
12731 commentList[0] = NULL;
12734 currentMove = forwardMostMove = backwardMostMove = 0;
12737 yyboardindex = forwardMostMove;
12738 cm = (ChessMove) Myylex();
12741 if(!creatingBook) {
12742 if (first.pr == NoProc) {
12743 StartChessProgram(&first);
12745 InitChessProgram(&first, FALSE);
12746 SendToProgram("force\n", &first);
12747 if (startedFromSetupPosition) {
12748 SendBoard(&first, forwardMostMove);
12749 if (appData.debugMode) {
12750 fprintf(debugFP, "Load Game\n");
12752 DisplayBothClocks();
12756 /* [HGM] server: flag to write setup moves in broadcast file as one */
12757 loadFlag = appData.suppressLoadMoves;
12759 while (cm == Comment) {
12761 if (appData.debugMode)
12762 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12764 AppendComment(currentMove, p, FALSE);
12765 yyboardindex = forwardMostMove;
12766 cm = (ChessMove) Myylex();
12769 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12770 cm == WhiteWins || cm == BlackWins ||
12771 cm == GameIsDrawn || cm == GameUnfinished) {
12772 DisplayMessage("", _("No moves in game"));
12773 if (cmailMsgLoaded) {
12774 if (appData.debugMode)
12775 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12779 DrawPosition(FALSE, boards[currentMove]);
12780 DisplayBothClocks();
12781 gameMode = EditGame;
12788 // [HGM] PV info: routine tests if comment empty
12789 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12790 DisplayComment(currentMove - 1, commentList[currentMove]);
12792 if (!matchMode && appData.timeDelay != 0)
12793 DrawPosition(FALSE, boards[currentMove]);
12795 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12796 programStats.ok_to_send = 1;
12799 /* if the first token after the PGN tags is a move
12800 * and not move number 1, retrieve it from the parser
12802 if (cm != MoveNumberOne)
12803 LoadGameOneMove(cm);
12805 /* load the remaining moves from the file */
12806 while (LoadGameOneMove(EndOfFile)) {
12807 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12808 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12811 /* rewind to the start of the game */
12812 currentMove = backwardMostMove;
12814 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12816 if (oldGameMode == AnalyzeFile) {
12817 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12818 AnalyzeFileEvent();
12820 if (oldGameMode == AnalyzeMode) {
12821 AnalyzeFileEvent();
12824 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12825 long int w, b; // [HGM] adjourn: restore saved clock times
12826 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12827 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12828 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12829 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12833 if(creatingBook) return TRUE;
12834 if (!matchMode && pos > 0) {
12835 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12837 if (matchMode || appData.timeDelay == 0) {
12839 } else if (appData.timeDelay > 0) {
12840 AutoPlayGameLoop();
12843 if (appData.debugMode)
12844 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12846 loadFlag = 0; /* [HGM] true game starts */
12850 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12852 ReloadPosition (int offset)
12854 int positionNumber = lastLoadPositionNumber + offset;
12855 if (lastLoadPositionFP == NULL) {
12856 DisplayError(_("No position has been loaded yet"), 0);
12859 if (positionNumber <= 0) {
12860 DisplayError(_("Can't back up any further"), 0);
12863 return LoadPosition(lastLoadPositionFP, positionNumber,
12864 lastLoadPositionTitle);
12867 /* Load the nth position from the given file */
12869 LoadPositionFromFile (char *filename, int n, char *title)
12874 if (strcmp(filename, "-") == 0) {
12875 return LoadPosition(stdin, n, "stdin");
12877 f = fopen(filename, "rb");
12879 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12880 DisplayError(buf, errno);
12883 return LoadPosition(f, n, title);
12888 /* Load the nth position from the given open file, and close it */
12890 LoadPosition (FILE *f, int positionNumber, char *title)
12892 char *p, line[MSG_SIZ];
12893 Board initial_position;
12894 int i, j, fenMode, pn;
12896 if (gameMode == Training )
12897 SetTrainingModeOff();
12899 if (gameMode != BeginningOfGame) {
12900 Reset(FALSE, TRUE);
12902 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12903 fclose(lastLoadPositionFP);
12905 if (positionNumber == 0) positionNumber = 1;
12906 lastLoadPositionFP = f;
12907 lastLoadPositionNumber = positionNumber;
12908 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12909 if (first.pr == NoProc && !appData.noChessProgram) {
12910 StartChessProgram(&first);
12911 InitChessProgram(&first, FALSE);
12913 pn = positionNumber;
12914 if (positionNumber < 0) {
12915 /* Negative position number means to seek to that byte offset */
12916 if (fseek(f, -positionNumber, 0) == -1) {
12917 DisplayError(_("Can't seek on position file"), 0);
12922 if (fseek(f, 0, 0) == -1) {
12923 if (f == lastLoadPositionFP ?
12924 positionNumber == lastLoadPositionNumber + 1 :
12925 positionNumber == 1) {
12928 DisplayError(_("Can't seek on position file"), 0);
12933 /* See if this file is FEN or old-style xboard */
12934 if (fgets(line, MSG_SIZ, f) == NULL) {
12935 DisplayError(_("Position not found in file"), 0);
12938 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12939 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12942 if (fenMode || line[0] == '#') pn--;
12944 /* skip positions before number pn */
12945 if (fgets(line, MSG_SIZ, f) == NULL) {
12947 DisplayError(_("Position not found in file"), 0);
12950 if (fenMode || line[0] == '#') pn--;
12955 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
12956 DisplayError(_("Bad FEN position in file"), 0);
12960 (void) fgets(line, MSG_SIZ, f);
12961 (void) fgets(line, MSG_SIZ, f);
12963 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12964 (void) fgets(line, MSG_SIZ, f);
12965 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12968 initial_position[i][j++] = CharToPiece(*p);
12972 blackPlaysFirst = FALSE;
12974 (void) fgets(line, MSG_SIZ, f);
12975 if (strncmp(line, "black", strlen("black"))==0)
12976 blackPlaysFirst = TRUE;
12979 startedFromSetupPosition = TRUE;
12981 CopyBoard(boards[0], initial_position);
12982 if (blackPlaysFirst) {
12983 currentMove = forwardMostMove = backwardMostMove = 1;
12984 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12985 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12986 CopyBoard(boards[1], initial_position);
12987 DisplayMessage("", _("Black to play"));
12989 currentMove = forwardMostMove = backwardMostMove = 0;
12990 DisplayMessage("", _("White to play"));
12992 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12993 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12994 SendToProgram("force\n", &first);
12995 SendBoard(&first, forwardMostMove);
12997 if (appData.debugMode) {
12999 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13000 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13001 fprintf(debugFP, "Load Position\n");
13004 if (positionNumber > 1) {
13005 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13006 DisplayTitle(line);
13008 DisplayTitle(title);
13010 gameMode = EditGame;
13013 timeRemaining[0][1] = whiteTimeRemaining;
13014 timeRemaining[1][1] = blackTimeRemaining;
13015 DrawPosition(FALSE, boards[currentMove]);
13022 CopyPlayerNameIntoFileName (char **dest, char *src)
13024 while (*src != NULLCHAR && *src != ',') {
13029 *(*dest)++ = *src++;
13035 DefaultFileName (char *ext)
13037 static char def[MSG_SIZ];
13040 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13042 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13044 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13046 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13053 /* Save the current game to the given file */
13055 SaveGameToFile (char *filename, int append)
13059 int result, i, t,tot=0;
13061 if (strcmp(filename, "-") == 0) {
13062 return SaveGame(stdout, 0, NULL);
13064 for(i=0; i<10; i++) { // upto 10 tries
13065 f = fopen(filename, append ? "a" : "w");
13066 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13067 if(f || errno != 13) break;
13068 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13072 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13073 DisplayError(buf, errno);
13076 safeStrCpy(buf, lastMsg, MSG_SIZ);
13077 DisplayMessage(_("Waiting for access to save file"), "");
13078 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13079 DisplayMessage(_("Saving game"), "");
13080 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13081 result = SaveGame(f, 0, NULL);
13082 DisplayMessage(buf, "");
13089 SavePart (char *str)
13091 static char buf[MSG_SIZ];
13094 p = strchr(str, ' ');
13095 if (p == NULL) return str;
13096 strncpy(buf, str, p - str);
13097 buf[p - str] = NULLCHAR;
13101 #define PGN_MAX_LINE 75
13103 #define PGN_SIDE_WHITE 0
13104 #define PGN_SIDE_BLACK 1
13107 FindFirstMoveOutOfBook (int side)
13111 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13112 int index = backwardMostMove;
13113 int has_book_hit = 0;
13115 if( (index % 2) != side ) {
13119 while( index < forwardMostMove ) {
13120 /* Check to see if engine is in book */
13121 int depth = pvInfoList[index].depth;
13122 int score = pvInfoList[index].score;
13128 else if( score == 0 && depth == 63 ) {
13129 in_book = 1; /* Zappa */
13131 else if( score == 2 && depth == 99 ) {
13132 in_book = 1; /* Abrok */
13135 has_book_hit += in_book;
13151 GetOutOfBookInfo (char * buf)
13155 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13157 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13158 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13162 if( oob[0] >= 0 || oob[1] >= 0 ) {
13163 for( i=0; i<2; i++ ) {
13167 if( i > 0 && oob[0] >= 0 ) {
13168 strcat( buf, " " );
13171 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13172 sprintf( buf+strlen(buf), "%s%.2f",
13173 pvInfoList[idx].score >= 0 ? "+" : "",
13174 pvInfoList[idx].score / 100.0 );
13180 /* Save game in PGN style and close the file */
13182 SaveGamePGN (FILE *f)
13184 int i, offset, linelen, newblock;
13187 int movelen, numlen, blank;
13188 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13190 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13192 PrintPGNTags(f, &gameInfo);
13194 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13196 if (backwardMostMove > 0 || startedFromSetupPosition) {
13197 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13198 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13199 fprintf(f, "\n{--------------\n");
13200 PrintPosition(f, backwardMostMove);
13201 fprintf(f, "--------------}\n");
13205 /* [AS] Out of book annotation */
13206 if( appData.saveOutOfBookInfo ) {
13209 GetOutOfBookInfo( buf );
13211 if( buf[0] != '\0' ) {
13212 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13219 i = backwardMostMove;
13223 while (i < forwardMostMove) {
13224 /* Print comments preceding this move */
13225 if (commentList[i] != NULL) {
13226 if (linelen > 0) fprintf(f, "\n");
13227 fprintf(f, "%s", commentList[i]);
13232 /* Format move number */
13234 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13237 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13239 numtext[0] = NULLCHAR;
13241 numlen = strlen(numtext);
13244 /* Print move number */
13245 blank = linelen > 0 && numlen > 0;
13246 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13255 fprintf(f, "%s", numtext);
13259 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13260 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13263 blank = linelen > 0 && movelen > 0;
13264 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13273 fprintf(f, "%s", move_buffer);
13274 linelen += movelen;
13276 /* [AS] Add PV info if present */
13277 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13278 /* [HGM] add time */
13279 char buf[MSG_SIZ]; int seconds;
13281 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13287 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13290 seconds = (seconds + 4)/10; // round to full seconds
13292 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13294 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13297 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13298 pvInfoList[i].score >= 0 ? "+" : "",
13299 pvInfoList[i].score / 100.0,
13300 pvInfoList[i].depth,
13303 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13305 /* Print score/depth */
13306 blank = linelen > 0 && movelen > 0;
13307 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13316 fprintf(f, "%s", move_buffer);
13317 linelen += movelen;
13323 /* Start a new line */
13324 if (linelen > 0) fprintf(f, "\n");
13326 /* Print comments after last move */
13327 if (commentList[i] != NULL) {
13328 fprintf(f, "%s\n", commentList[i]);
13332 if (gameInfo.resultDetails != NULL &&
13333 gameInfo.resultDetails[0] != NULLCHAR) {
13334 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13335 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13336 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13337 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13338 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13340 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13344 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13348 /* Save game in old style and close the file */
13350 SaveGameOldStyle (FILE *f)
13355 tm = time((time_t *) NULL);
13357 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13360 if (backwardMostMove > 0 || startedFromSetupPosition) {
13361 fprintf(f, "\n[--------------\n");
13362 PrintPosition(f, backwardMostMove);
13363 fprintf(f, "--------------]\n");
13368 i = backwardMostMove;
13369 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13371 while (i < forwardMostMove) {
13372 if (commentList[i] != NULL) {
13373 fprintf(f, "[%s]\n", commentList[i]);
13376 if ((i % 2) == 1) {
13377 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13380 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13382 if (commentList[i] != NULL) {
13386 if (i >= forwardMostMove) {
13390 fprintf(f, "%s\n", parseList[i]);
13395 if (commentList[i] != NULL) {
13396 fprintf(f, "[%s]\n", commentList[i]);
13399 /* This isn't really the old style, but it's close enough */
13400 if (gameInfo.resultDetails != NULL &&
13401 gameInfo.resultDetails[0] != NULLCHAR) {
13402 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13403 gameInfo.resultDetails);
13405 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13412 /* Save the current game to open file f and close the file */
13414 SaveGame (FILE *f, int dummy, char *dummy2)
13416 if (gameMode == EditPosition) EditPositionDone(TRUE);
13417 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13418 if (appData.oldSaveStyle)
13419 return SaveGameOldStyle(f);
13421 return SaveGamePGN(f);
13424 /* Save the current position to the given file */
13426 SavePositionToFile (char *filename)
13431 if (strcmp(filename, "-") == 0) {
13432 return SavePosition(stdout, 0, NULL);
13434 f = fopen(filename, "a");
13436 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13437 DisplayError(buf, errno);
13440 safeStrCpy(buf, lastMsg, MSG_SIZ);
13441 DisplayMessage(_("Waiting for access to save file"), "");
13442 flock(fileno(f), LOCK_EX); // [HGM] lock
13443 DisplayMessage(_("Saving position"), "");
13444 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13445 SavePosition(f, 0, NULL);
13446 DisplayMessage(buf, "");
13452 /* Save the current position to the given open file and close the file */
13454 SavePosition (FILE *f, int dummy, char *dummy2)
13459 if (gameMode == EditPosition) EditPositionDone(TRUE);
13460 if (appData.oldSaveStyle) {
13461 tm = time((time_t *) NULL);
13463 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13465 fprintf(f, "[--------------\n");
13466 PrintPosition(f, currentMove);
13467 fprintf(f, "--------------]\n");
13469 fen = PositionToFEN(currentMove, NULL, 1);
13470 fprintf(f, "%s\n", fen);
13478 ReloadCmailMsgEvent (int unregister)
13481 static char *inFilename = NULL;
13482 static char *outFilename;
13484 struct stat inbuf, outbuf;
13487 /* Any registered moves are unregistered if unregister is set, */
13488 /* i.e. invoked by the signal handler */
13490 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13491 cmailMoveRegistered[i] = FALSE;
13492 if (cmailCommentList[i] != NULL) {
13493 free(cmailCommentList[i]);
13494 cmailCommentList[i] = NULL;
13497 nCmailMovesRegistered = 0;
13500 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13501 cmailResult[i] = CMAIL_NOT_RESULT;
13505 if (inFilename == NULL) {
13506 /* Because the filenames are static they only get malloced once */
13507 /* and they never get freed */
13508 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13509 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13511 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13512 sprintf(outFilename, "%s.out", appData.cmailGameName);
13515 status = stat(outFilename, &outbuf);
13517 cmailMailedMove = FALSE;
13519 status = stat(inFilename, &inbuf);
13520 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13523 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13524 counts the games, notes how each one terminated, etc.
13526 It would be nice to remove this kludge and instead gather all
13527 the information while building the game list. (And to keep it
13528 in the game list nodes instead of having a bunch of fixed-size
13529 parallel arrays.) Note this will require getting each game's
13530 termination from the PGN tags, as the game list builder does
13531 not process the game moves. --mann
13533 cmailMsgLoaded = TRUE;
13534 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13536 /* Load first game in the file or popup game menu */
13537 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13539 #endif /* !WIN32 */
13547 char string[MSG_SIZ];
13549 if ( cmailMailedMove
13550 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13551 return TRUE; /* Allow free viewing */
13554 /* Unregister move to ensure that we don't leave RegisterMove */
13555 /* with the move registered when the conditions for registering no */
13557 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13558 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13559 nCmailMovesRegistered --;
13561 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13563 free(cmailCommentList[lastLoadGameNumber - 1]);
13564 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13568 if (cmailOldMove == -1) {
13569 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13573 if (currentMove > cmailOldMove + 1) {
13574 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13578 if (currentMove < cmailOldMove) {
13579 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13583 if (forwardMostMove > currentMove) {
13584 /* Silently truncate extra moves */
13588 if ( (currentMove == cmailOldMove + 1)
13589 || ( (currentMove == cmailOldMove)
13590 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13591 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13592 if (gameInfo.result != GameUnfinished) {
13593 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13596 if (commentList[currentMove] != NULL) {
13597 cmailCommentList[lastLoadGameNumber - 1]
13598 = StrSave(commentList[currentMove]);
13600 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13602 if (appData.debugMode)
13603 fprintf(debugFP, "Saving %s for game %d\n",
13604 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13606 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13608 f = fopen(string, "w");
13609 if (appData.oldSaveStyle) {
13610 SaveGameOldStyle(f); /* also closes the file */
13612 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13613 f = fopen(string, "w");
13614 SavePosition(f, 0, NULL); /* also closes the file */
13616 fprintf(f, "{--------------\n");
13617 PrintPosition(f, currentMove);
13618 fprintf(f, "--------------}\n\n");
13620 SaveGame(f, 0, NULL); /* also closes the file*/
13623 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13624 nCmailMovesRegistered ++;
13625 } else if (nCmailGames == 1) {
13626 DisplayError(_("You have not made a move yet"), 0);
13637 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13638 FILE *commandOutput;
13639 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13640 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13646 if (! cmailMsgLoaded) {
13647 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13651 if (nCmailGames == nCmailResults) {
13652 DisplayError(_("No unfinished games"), 0);
13656 #if CMAIL_PROHIBIT_REMAIL
13657 if (cmailMailedMove) {
13658 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);
13659 DisplayError(msg, 0);
13664 if (! (cmailMailedMove || RegisterMove())) return;
13666 if ( cmailMailedMove
13667 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13668 snprintf(string, MSG_SIZ, partCommandString,
13669 appData.debugMode ? " -v" : "", appData.cmailGameName);
13670 commandOutput = popen(string, "r");
13672 if (commandOutput == NULL) {
13673 DisplayError(_("Failed to invoke cmail"), 0);
13675 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13676 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13678 if (nBuffers > 1) {
13679 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13680 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13681 nBytes = MSG_SIZ - 1;
13683 (void) memcpy(msg, buffer, nBytes);
13685 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13687 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13688 cmailMailedMove = TRUE; /* Prevent >1 moves */
13691 for (i = 0; i < nCmailGames; i ++) {
13692 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13697 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13699 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13701 appData.cmailGameName,
13703 LoadGameFromFile(buffer, 1, buffer, FALSE);
13704 cmailMsgLoaded = FALSE;
13708 DisplayInformation(msg);
13709 pclose(commandOutput);
13712 if ((*cmailMsg) != '\0') {
13713 DisplayInformation(cmailMsg);
13718 #endif /* !WIN32 */
13727 int prependComma = 0;
13729 char string[MSG_SIZ]; /* Space for game-list */
13732 if (!cmailMsgLoaded) return "";
13734 if (cmailMailedMove) {
13735 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13737 /* Create a list of games left */
13738 snprintf(string, MSG_SIZ, "[");
13739 for (i = 0; i < nCmailGames; i ++) {
13740 if (! ( cmailMoveRegistered[i]
13741 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13742 if (prependComma) {
13743 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13745 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13749 strcat(string, number);
13752 strcat(string, "]");
13754 if (nCmailMovesRegistered + nCmailResults == 0) {
13755 switch (nCmailGames) {
13757 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13761 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13765 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13770 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13772 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13777 if (nCmailResults == nCmailGames) {
13778 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13780 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13785 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13797 if (gameMode == Training)
13798 SetTrainingModeOff();
13801 cmailMsgLoaded = FALSE;
13802 if (appData.icsActive) {
13803 SendToICS(ics_prefix);
13804 SendToICS("refresh\n");
13809 ExitEvent (int status)
13813 /* Give up on clean exit */
13817 /* Keep trying for clean exit */
13821 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13823 if (telnetISR != NULL) {
13824 RemoveInputSource(telnetISR);
13826 if (icsPR != NoProc) {
13827 DestroyChildProcess(icsPR, TRUE);
13830 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13831 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13833 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13834 /* make sure this other one finishes before killing it! */
13835 if(endingGame) { int count = 0;
13836 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13837 while(endingGame && count++ < 10) DoSleep(1);
13838 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13841 /* Kill off chess programs */
13842 if (first.pr != NoProc) {
13845 DoSleep( appData.delayBeforeQuit );
13846 SendToProgram("quit\n", &first);
13847 DoSleep( appData.delayAfterQuit );
13848 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13850 if (second.pr != NoProc) {
13851 DoSleep( appData.delayBeforeQuit );
13852 SendToProgram("quit\n", &second);
13853 DoSleep( appData.delayAfterQuit );
13854 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13856 if (first.isr != NULL) {
13857 RemoveInputSource(first.isr);
13859 if (second.isr != NULL) {
13860 RemoveInputSource(second.isr);
13863 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13864 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13866 ShutDownFrontEnd();
13871 PauseEngine (ChessProgramState *cps)
13873 SendToProgram("pause\n", cps);
13878 UnPauseEngine (ChessProgramState *cps)
13880 SendToProgram("resume\n", cps);
13887 if (appData.debugMode)
13888 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13892 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13894 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13895 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13896 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13898 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13899 HandleMachineMove(stashedInputMove, stalledEngine);
13900 stalledEngine = NULL;
13903 if (gameMode == MachinePlaysWhite ||
13904 gameMode == TwoMachinesPlay ||
13905 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13906 if(first.pause) UnPauseEngine(&first);
13907 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13908 if(second.pause) UnPauseEngine(&second);
13909 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13912 DisplayBothClocks();
13914 if (gameMode == PlayFromGameFile) {
13915 if (appData.timeDelay >= 0)
13916 AutoPlayGameLoop();
13917 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13918 Reset(FALSE, TRUE);
13919 SendToICS(ics_prefix);
13920 SendToICS("refresh\n");
13921 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13922 ForwardInner(forwardMostMove);
13924 pauseExamInvalid = FALSE;
13926 switch (gameMode) {
13930 pauseExamForwardMostMove = forwardMostMove;
13931 pauseExamInvalid = FALSE;
13934 case IcsPlayingWhite:
13935 case IcsPlayingBlack:
13939 case PlayFromGameFile:
13940 (void) StopLoadGameTimer();
13944 case BeginningOfGame:
13945 if (appData.icsActive) return;
13946 /* else fall through */
13947 case MachinePlaysWhite:
13948 case MachinePlaysBlack:
13949 case TwoMachinesPlay:
13950 if (forwardMostMove == 0)
13951 return; /* don't pause if no one has moved */
13952 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13953 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13954 if(onMove->pause) { // thinking engine can be paused
13955 PauseEngine(onMove); // do it
13956 if(onMove->other->pause) // pondering opponent can always be paused immediately
13957 PauseEngine(onMove->other);
13959 SendToProgram("easy\n", onMove->other);
13961 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13962 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13964 PauseEngine(&first);
13966 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13967 } else { // human on move, pause pondering by either method
13969 PauseEngine(&first);
13970 else if(appData.ponderNextMove)
13971 SendToProgram("easy\n", &first);
13974 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13984 EditCommentEvent ()
13986 char title[MSG_SIZ];
13988 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13989 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13991 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13992 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13993 parseList[currentMove - 1]);
13996 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14003 char *tags = PGNTags(&gameInfo);
14005 EditTagsPopUp(tags, NULL);
14012 if(second.analyzing) {
14013 SendToProgram("exit\n", &second);
14014 second.analyzing = FALSE;
14016 if (second.pr == NoProc) StartChessProgram(&second);
14017 InitChessProgram(&second, FALSE);
14018 FeedMovesToProgram(&second, currentMove);
14020 SendToProgram("analyze\n", &second);
14021 second.analyzing = TRUE;
14025 /* Toggle ShowThinking */
14027 ToggleShowThinking()
14029 appData.showThinking = !appData.showThinking;
14030 ShowThinkingEvent();
14034 AnalyzeModeEvent ()
14038 if (!first.analysisSupport) {
14039 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14040 DisplayError(buf, 0);
14043 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14044 if (appData.icsActive) {
14045 if (gameMode != IcsObserving) {
14046 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14047 DisplayError(buf, 0);
14049 if (appData.icsEngineAnalyze) {
14050 if (appData.debugMode)
14051 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14057 /* if enable, user wants to disable icsEngineAnalyze */
14058 if (appData.icsEngineAnalyze) {
14063 appData.icsEngineAnalyze = TRUE;
14064 if (appData.debugMode)
14065 fprintf(debugFP, "ICS engine analyze starting... \n");
14068 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14069 if (appData.noChessProgram || gameMode == AnalyzeMode)
14072 if (gameMode != AnalyzeFile) {
14073 if (!appData.icsEngineAnalyze) {
14075 if (gameMode != EditGame) return 0;
14077 if (!appData.showThinking) ToggleShowThinking();
14078 ResurrectChessProgram();
14079 SendToProgram("analyze\n", &first);
14080 first.analyzing = TRUE;
14081 /*first.maybeThinking = TRUE;*/
14082 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14083 EngineOutputPopUp();
14085 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
14090 StartAnalysisClock();
14091 GetTimeMark(&lastNodeCountTime);
14097 AnalyzeFileEvent ()
14099 if (appData.noChessProgram || gameMode == AnalyzeFile)
14102 if (!first.analysisSupport) {
14104 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14105 DisplayError(buf, 0);
14109 if (gameMode != AnalyzeMode) {
14110 keepInfo = 1; // mere annotating should not alter PGN tags
14113 if (gameMode != EditGame) return;
14114 if (!appData.showThinking) ToggleShowThinking();
14115 ResurrectChessProgram();
14116 SendToProgram("analyze\n", &first);
14117 first.analyzing = TRUE;
14118 /*first.maybeThinking = TRUE;*/
14119 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14120 EngineOutputPopUp();
14122 gameMode = AnalyzeFile;
14126 StartAnalysisClock();
14127 GetTimeMark(&lastNodeCountTime);
14129 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14130 AnalysisPeriodicEvent(1);
14134 MachineWhiteEvent ()
14137 char *bookHit = NULL;
14139 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14143 if (gameMode == PlayFromGameFile ||
14144 gameMode == TwoMachinesPlay ||
14145 gameMode == Training ||
14146 gameMode == AnalyzeMode ||
14147 gameMode == EndOfGame)
14150 if (gameMode == EditPosition)
14151 EditPositionDone(TRUE);
14153 if (!WhiteOnMove(currentMove)) {
14154 DisplayError(_("It is not White's turn"), 0);
14158 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14161 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14162 gameMode == AnalyzeFile)
14165 ResurrectChessProgram(); /* in case it isn't running */
14166 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14167 gameMode = MachinePlaysWhite;
14170 gameMode = MachinePlaysWhite;
14174 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14176 if (first.sendName) {
14177 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14178 SendToProgram(buf, &first);
14180 if (first.sendTime) {
14181 if (first.useColors) {
14182 SendToProgram("black\n", &first); /*gnu kludge*/
14184 SendTimeRemaining(&first, TRUE);
14186 if (first.useColors) {
14187 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14189 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14190 SetMachineThinkingEnables();
14191 first.maybeThinking = TRUE;
14195 if (appData.autoFlipView && !flipView) {
14196 flipView = !flipView;
14197 DrawPosition(FALSE, NULL);
14198 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14201 if(bookHit) { // [HGM] book: simulate book reply
14202 static char bookMove[MSG_SIZ]; // a bit generous?
14204 programStats.nodes = programStats.depth = programStats.time =
14205 programStats.score = programStats.got_only_move = 0;
14206 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14208 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14209 strcat(bookMove, bookHit);
14210 HandleMachineMove(bookMove, &first);
14215 MachineBlackEvent ()
14218 char *bookHit = NULL;
14220 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14224 if (gameMode == PlayFromGameFile ||
14225 gameMode == TwoMachinesPlay ||
14226 gameMode == Training ||
14227 gameMode == AnalyzeMode ||
14228 gameMode == EndOfGame)
14231 if (gameMode == EditPosition)
14232 EditPositionDone(TRUE);
14234 if (WhiteOnMove(currentMove)) {
14235 DisplayError(_("It is not Black's turn"), 0);
14239 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14242 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14243 gameMode == AnalyzeFile)
14246 ResurrectChessProgram(); /* in case it isn't running */
14247 gameMode = MachinePlaysBlack;
14251 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14253 if (first.sendName) {
14254 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14255 SendToProgram(buf, &first);
14257 if (first.sendTime) {
14258 if (first.useColors) {
14259 SendToProgram("white\n", &first); /*gnu kludge*/
14261 SendTimeRemaining(&first, FALSE);
14263 if (first.useColors) {
14264 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14266 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14267 SetMachineThinkingEnables();
14268 first.maybeThinking = TRUE;
14271 if (appData.autoFlipView && flipView) {
14272 flipView = !flipView;
14273 DrawPosition(FALSE, NULL);
14274 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14276 if(bookHit) { // [HGM] book: simulate book reply
14277 static char bookMove[MSG_SIZ]; // a bit generous?
14279 programStats.nodes = programStats.depth = programStats.time =
14280 programStats.score = programStats.got_only_move = 0;
14281 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14283 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14284 strcat(bookMove, bookHit);
14285 HandleMachineMove(bookMove, &first);
14291 DisplayTwoMachinesTitle ()
14294 if (appData.matchGames > 0) {
14295 if(appData.tourneyFile[0]) {
14296 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14297 gameInfo.white, _("vs."), gameInfo.black,
14298 nextGame+1, appData.matchGames+1,
14299 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14301 if (first.twoMachinesColor[0] == 'w') {
14302 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14303 gameInfo.white, _("vs."), gameInfo.black,
14304 first.matchWins, second.matchWins,
14305 matchGame - 1 - (first.matchWins + second.matchWins));
14307 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14308 gameInfo.white, _("vs."), gameInfo.black,
14309 second.matchWins, first.matchWins,
14310 matchGame - 1 - (first.matchWins + second.matchWins));
14313 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14319 SettingsMenuIfReady ()
14321 if (second.lastPing != second.lastPong) {
14322 DisplayMessage("", _("Waiting for second chess program"));
14323 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14327 DisplayMessage("", "");
14328 SettingsPopUp(&second);
14332 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14335 if (cps->pr == NoProc) {
14336 StartChessProgram(cps);
14337 if (cps->protocolVersion == 1) {
14339 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14341 /* kludge: allow timeout for initial "feature" command */
14342 if(retry != TwoMachinesEventIfReady) FreezeUI();
14343 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14344 DisplayMessage("", buf);
14345 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14353 TwoMachinesEvent P((void))
14357 ChessProgramState *onmove;
14358 char *bookHit = NULL;
14359 static int stalling = 0;
14363 if (appData.noChessProgram) return;
14365 switch (gameMode) {
14366 case TwoMachinesPlay:
14368 case MachinePlaysWhite:
14369 case MachinePlaysBlack:
14370 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14371 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14375 case BeginningOfGame:
14376 case PlayFromGameFile:
14379 if (gameMode != EditGame) return;
14382 EditPositionDone(TRUE);
14393 // forwardMostMove = currentMove;
14394 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14395 startingEngine = TRUE;
14397 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14399 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14400 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14401 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14404 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14406 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14407 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14408 startingEngine = FALSE;
14409 DisplayError("second engine does not play this", 0);
14414 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14415 SendToProgram("force\n", &second);
14417 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14420 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14421 if(appData.matchPause>10000 || appData.matchPause<10)
14422 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14423 wait = SubtractTimeMarks(&now, &pauseStart);
14424 if(wait < appData.matchPause) {
14425 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14428 // we are now committed to starting the game
14430 DisplayMessage("", "");
14431 if (startedFromSetupPosition) {
14432 SendBoard(&second, backwardMostMove);
14433 if (appData.debugMode) {
14434 fprintf(debugFP, "Two Machines\n");
14437 for (i = backwardMostMove; i < forwardMostMove; i++) {
14438 SendMoveToProgram(i, &second);
14441 gameMode = TwoMachinesPlay;
14442 pausing = startingEngine = FALSE;
14443 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14445 DisplayTwoMachinesTitle();
14447 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14452 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14453 SendToProgram(first.computerString, &first);
14454 if (first.sendName) {
14455 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14456 SendToProgram(buf, &first);
14458 SendToProgram(second.computerString, &second);
14459 if (second.sendName) {
14460 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14461 SendToProgram(buf, &second);
14465 if (!first.sendTime || !second.sendTime) {
14466 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14467 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14469 if (onmove->sendTime) {
14470 if (onmove->useColors) {
14471 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14473 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14475 if (onmove->useColors) {
14476 SendToProgram(onmove->twoMachinesColor, onmove);
14478 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14479 // SendToProgram("go\n", onmove);
14480 onmove->maybeThinking = TRUE;
14481 SetMachineThinkingEnables();
14485 if(bookHit) { // [HGM] book: simulate book reply
14486 static char bookMove[MSG_SIZ]; // a bit generous?
14488 programStats.nodes = programStats.depth = programStats.time =
14489 programStats.score = programStats.got_only_move = 0;
14490 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14492 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14493 strcat(bookMove, bookHit);
14494 savedMessage = bookMove; // args for deferred call
14495 savedState = onmove;
14496 ScheduleDelayedEvent(DeferredBookMove, 1);
14503 if (gameMode == Training) {
14504 SetTrainingModeOff();
14505 gameMode = PlayFromGameFile;
14506 DisplayMessage("", _("Training mode off"));
14508 gameMode = Training;
14509 animateTraining = appData.animate;
14511 /* make sure we are not already at the end of the game */
14512 if (currentMove < forwardMostMove) {
14513 SetTrainingModeOn();
14514 DisplayMessage("", _("Training mode on"));
14516 gameMode = PlayFromGameFile;
14517 DisplayError(_("Already at end of game"), 0);
14526 if (!appData.icsActive) return;
14527 switch (gameMode) {
14528 case IcsPlayingWhite:
14529 case IcsPlayingBlack:
14532 case BeginningOfGame:
14540 EditPositionDone(TRUE);
14553 gameMode = IcsIdle;
14563 switch (gameMode) {
14565 SetTrainingModeOff();
14567 case MachinePlaysWhite:
14568 case MachinePlaysBlack:
14569 case BeginningOfGame:
14570 SendToProgram("force\n", &first);
14571 SetUserThinkingEnables();
14573 case PlayFromGameFile:
14574 (void) StopLoadGameTimer();
14575 if (gameFileFP != NULL) {
14580 EditPositionDone(TRUE);
14585 SendToProgram("force\n", &first);
14587 case TwoMachinesPlay:
14588 GameEnds(EndOfFile, NULL, GE_PLAYER);
14589 ResurrectChessProgram();
14590 SetUserThinkingEnables();
14593 ResurrectChessProgram();
14595 case IcsPlayingBlack:
14596 case IcsPlayingWhite:
14597 DisplayError(_("Warning: You are still playing a game"), 0);
14600 DisplayError(_("Warning: You are still observing a game"), 0);
14603 DisplayError(_("Warning: You are still examining a game"), 0);
14614 first.offeredDraw = second.offeredDraw = 0;
14616 if (gameMode == PlayFromGameFile) {
14617 whiteTimeRemaining = timeRemaining[0][currentMove];
14618 blackTimeRemaining = timeRemaining[1][currentMove];
14622 if (gameMode == MachinePlaysWhite ||
14623 gameMode == MachinePlaysBlack ||
14624 gameMode == TwoMachinesPlay ||
14625 gameMode == EndOfGame) {
14626 i = forwardMostMove;
14627 while (i > currentMove) {
14628 SendToProgram("undo\n", &first);
14631 if(!adjustedClock) {
14632 whiteTimeRemaining = timeRemaining[0][currentMove];
14633 blackTimeRemaining = timeRemaining[1][currentMove];
14634 DisplayBothClocks();
14636 if (whiteFlag || blackFlag) {
14637 whiteFlag = blackFlag = 0;
14642 gameMode = EditGame;
14649 EditPositionEvent ()
14651 if (gameMode == EditPosition) {
14657 if (gameMode != EditGame) return;
14659 gameMode = EditPosition;
14662 if (currentMove > 0)
14663 CopyBoard(boards[0], boards[currentMove]);
14665 blackPlaysFirst = !WhiteOnMove(currentMove);
14667 currentMove = forwardMostMove = backwardMostMove = 0;
14668 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14670 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14676 /* [DM] icsEngineAnalyze - possible call from other functions */
14677 if (appData.icsEngineAnalyze) {
14678 appData.icsEngineAnalyze = FALSE;
14680 DisplayMessage("",_("Close ICS engine analyze..."));
14682 if (first.analysisSupport && first.analyzing) {
14683 SendToBoth("exit\n");
14684 first.analyzing = second.analyzing = FALSE;
14686 thinkOutput[0] = NULLCHAR;
14690 EditPositionDone (Boolean fakeRights)
14692 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14694 startedFromSetupPosition = TRUE;
14695 InitChessProgram(&first, FALSE);
14696 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14697 boards[0][EP_STATUS] = EP_NONE;
14698 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14699 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14700 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14701 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14702 } else boards[0][CASTLING][2] = NoRights;
14703 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14704 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14705 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14706 } else boards[0][CASTLING][5] = NoRights;
14707 if(gameInfo.variant == VariantSChess) {
14709 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14710 boards[0][VIRGIN][i] = 0;
14711 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14712 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14716 SendToProgram("force\n", &first);
14717 if (blackPlaysFirst) {
14718 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14719 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14720 currentMove = forwardMostMove = backwardMostMove = 1;
14721 CopyBoard(boards[1], boards[0]);
14723 currentMove = forwardMostMove = backwardMostMove = 0;
14725 SendBoard(&first, forwardMostMove);
14726 if (appData.debugMode) {
14727 fprintf(debugFP, "EditPosDone\n");
14730 DisplayMessage("", "");
14731 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14732 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14733 gameMode = EditGame;
14735 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14736 ClearHighlights(); /* [AS] */
14739 /* Pause for `ms' milliseconds */
14740 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14742 TimeDelay (long ms)
14749 } while (SubtractTimeMarks(&m2, &m1) < ms);
14752 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14754 SendMultiLineToICS (char *buf)
14756 char temp[MSG_SIZ+1], *p;
14763 strncpy(temp, buf, len);
14768 if (*p == '\n' || *p == '\r')
14773 strcat(temp, "\n");
14775 SendToPlayer(temp, strlen(temp));
14779 SetWhiteToPlayEvent ()
14781 if (gameMode == EditPosition) {
14782 blackPlaysFirst = FALSE;
14783 DisplayBothClocks(); /* works because currentMove is 0 */
14784 } else if (gameMode == IcsExamining) {
14785 SendToICS(ics_prefix);
14786 SendToICS("tomove white\n");
14791 SetBlackToPlayEvent ()
14793 if (gameMode == EditPosition) {
14794 blackPlaysFirst = TRUE;
14795 currentMove = 1; /* kludge */
14796 DisplayBothClocks();
14798 } else if (gameMode == IcsExamining) {
14799 SendToICS(ics_prefix);
14800 SendToICS("tomove black\n");
14805 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14808 ChessSquare piece = boards[0][y][x];
14809 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14810 static int lastVariant;
14812 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14814 switch (selection) {
14816 CopyBoard(currentBoard, boards[0]);
14817 CopyBoard(menuBoard, initialPosition);
14818 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14819 SendToICS(ics_prefix);
14820 SendToICS("bsetup clear\n");
14821 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14822 SendToICS(ics_prefix);
14823 SendToICS("clearboard\n");
14826 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14827 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14828 for (y = 0; y < BOARD_HEIGHT; y++) {
14829 if (gameMode == IcsExamining) {
14830 if (boards[currentMove][y][x] != EmptySquare) {
14831 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14836 if(boards[0][y][x] != p) nonEmpty++;
14837 boards[0][y][x] = p;
14840 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14842 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14843 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14844 ChessSquare p = menuBoard[0][x];
14845 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
14846 p = menuBoard[BOARD_HEIGHT-1][x];
14847 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
14849 DisplayMessage("Clicking clock again restores position", "");
14850 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
14851 if(!nonEmpty) { // asked to clear an empty board
14852 CopyBoard(boards[0], menuBoard);
14854 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
14855 CopyBoard(boards[0], initialPosition);
14857 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
14858 && !CompareBoards(nullBoard, erasedBoard)) {
14859 CopyBoard(boards[0], erasedBoard);
14861 CopyBoard(erasedBoard, currentBoard);
14865 if (gameMode == EditPosition) {
14866 DrawPosition(FALSE, boards[0]);
14871 SetWhiteToPlayEvent();
14875 SetBlackToPlayEvent();
14879 if (gameMode == IcsExamining) {
14880 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14881 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14884 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14885 if(x == BOARD_LEFT-2) {
14886 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14887 boards[0][y][1] = 0;
14889 if(x == BOARD_RGHT+1) {
14890 if(y >= gameInfo.holdingsSize) break;
14891 boards[0][y][BOARD_WIDTH-2] = 0;
14894 boards[0][y][x] = EmptySquare;
14895 DrawPosition(FALSE, boards[0]);
14900 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14901 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14902 selection = (ChessSquare) (PROMOTED piece);
14903 } else if(piece == EmptySquare) selection = WhiteSilver;
14904 else selection = (ChessSquare)((int)piece - 1);
14908 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14909 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14910 selection = (ChessSquare) (DEMOTED piece);
14911 } else if(piece == EmptySquare) selection = BlackSilver;
14912 else selection = (ChessSquare)((int)piece + 1);
14917 if(gameInfo.variant == VariantShatranj ||
14918 gameInfo.variant == VariantXiangqi ||
14919 gameInfo.variant == VariantCourier ||
14920 gameInfo.variant == VariantASEAN ||
14921 gameInfo.variant == VariantMakruk )
14922 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14927 if(gameInfo.variant == VariantXiangqi)
14928 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14929 if(gameInfo.variant == VariantKnightmate)
14930 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14933 if (gameMode == IcsExamining) {
14934 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14935 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14936 PieceToChar(selection), AAA + x, ONE + y);
14939 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14941 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14942 n = PieceToNumber(selection - BlackPawn);
14943 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14944 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14945 boards[0][BOARD_HEIGHT-1-n][1]++;
14947 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14948 n = PieceToNumber(selection);
14949 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14950 boards[0][n][BOARD_WIDTH-1] = selection;
14951 boards[0][n][BOARD_WIDTH-2]++;
14954 boards[0][y][x] = selection;
14955 DrawPosition(TRUE, boards[0]);
14957 fromX = fromY = -1;
14965 DropMenuEvent (ChessSquare selection, int x, int y)
14967 ChessMove moveType;
14969 switch (gameMode) {
14970 case IcsPlayingWhite:
14971 case MachinePlaysBlack:
14972 if (!WhiteOnMove(currentMove)) {
14973 DisplayMoveError(_("It is Black's turn"));
14976 moveType = WhiteDrop;
14978 case IcsPlayingBlack:
14979 case MachinePlaysWhite:
14980 if (WhiteOnMove(currentMove)) {
14981 DisplayMoveError(_("It is White's turn"));
14984 moveType = BlackDrop;
14987 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14993 if (moveType == BlackDrop && selection < BlackPawn) {
14994 selection = (ChessSquare) ((int) selection
14995 + (int) BlackPawn - (int) WhitePawn);
14997 if (boards[currentMove][y][x] != EmptySquare) {
14998 DisplayMoveError(_("That square is occupied"));
15002 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15008 /* Accept a pending offer of any kind from opponent */
15010 if (appData.icsActive) {
15011 SendToICS(ics_prefix);
15012 SendToICS("accept\n");
15013 } else if (cmailMsgLoaded) {
15014 if (currentMove == cmailOldMove &&
15015 commentList[cmailOldMove] != NULL &&
15016 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15017 "Black offers a draw" : "White offers a draw")) {
15019 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15020 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15022 DisplayError(_("There is no pending offer on this move"), 0);
15023 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15026 /* Not used for offers from chess program */
15033 /* Decline a pending offer of any kind from opponent */
15035 if (appData.icsActive) {
15036 SendToICS(ics_prefix);
15037 SendToICS("decline\n");
15038 } else if (cmailMsgLoaded) {
15039 if (currentMove == cmailOldMove &&
15040 commentList[cmailOldMove] != NULL &&
15041 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15042 "Black offers a draw" : "White offers a draw")) {
15044 AppendComment(cmailOldMove, "Draw declined", TRUE);
15045 DisplayComment(cmailOldMove - 1, "Draw declined");
15048 DisplayError(_("There is no pending offer on this move"), 0);
15051 /* Not used for offers from chess program */
15058 /* Issue ICS rematch command */
15059 if (appData.icsActive) {
15060 SendToICS(ics_prefix);
15061 SendToICS("rematch\n");
15068 /* Call your opponent's flag (claim a win on time) */
15069 if (appData.icsActive) {
15070 SendToICS(ics_prefix);
15071 SendToICS("flag\n");
15073 switch (gameMode) {
15076 case MachinePlaysWhite:
15079 GameEnds(GameIsDrawn, "Both players ran out of time",
15082 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15084 DisplayError(_("Your opponent is not out of time"), 0);
15087 case MachinePlaysBlack:
15090 GameEnds(GameIsDrawn, "Both players ran out of time",
15093 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15095 DisplayError(_("Your opponent is not out of time"), 0);
15103 ClockClick (int which)
15104 { // [HGM] code moved to back-end from winboard.c
15105 if(which) { // black clock
15106 if (gameMode == EditPosition || gameMode == IcsExamining) {
15107 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15108 SetBlackToPlayEvent();
15109 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15110 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15111 } else if (shiftKey) {
15112 AdjustClock(which, -1);
15113 } else if (gameMode == IcsPlayingWhite ||
15114 gameMode == MachinePlaysBlack) {
15117 } else { // white clock
15118 if (gameMode == EditPosition || gameMode == IcsExamining) {
15119 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15120 SetWhiteToPlayEvent();
15121 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15122 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15123 } else if (shiftKey) {
15124 AdjustClock(which, -1);
15125 } else if (gameMode == IcsPlayingBlack ||
15126 gameMode == MachinePlaysWhite) {
15135 /* Offer draw or accept pending draw offer from opponent */
15137 if (appData.icsActive) {
15138 /* Note: tournament rules require draw offers to be
15139 made after you make your move but before you punch
15140 your clock. Currently ICS doesn't let you do that;
15141 instead, you immediately punch your clock after making
15142 a move, but you can offer a draw at any time. */
15144 SendToICS(ics_prefix);
15145 SendToICS("draw\n");
15146 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15147 } else if (cmailMsgLoaded) {
15148 if (currentMove == cmailOldMove &&
15149 commentList[cmailOldMove] != NULL &&
15150 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15151 "Black offers a draw" : "White offers a draw")) {
15152 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15153 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15154 } else if (currentMove == cmailOldMove + 1) {
15155 char *offer = WhiteOnMove(cmailOldMove) ?
15156 "White offers a draw" : "Black offers a draw";
15157 AppendComment(currentMove, offer, TRUE);
15158 DisplayComment(currentMove - 1, offer);
15159 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15161 DisplayError(_("You must make your move before offering a draw"), 0);
15162 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15164 } else if (first.offeredDraw) {
15165 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15167 if (first.sendDrawOffers) {
15168 SendToProgram("draw\n", &first);
15169 userOfferedDraw = TRUE;
15177 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15179 if (appData.icsActive) {
15180 SendToICS(ics_prefix);
15181 SendToICS("adjourn\n");
15183 /* Currently GNU Chess doesn't offer or accept Adjourns */
15191 /* Offer Abort or accept pending Abort offer from opponent */
15193 if (appData.icsActive) {
15194 SendToICS(ics_prefix);
15195 SendToICS("abort\n");
15197 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15204 /* Resign. You can do this even if it's not your turn. */
15206 if (appData.icsActive) {
15207 SendToICS(ics_prefix);
15208 SendToICS("resign\n");
15210 switch (gameMode) {
15211 case MachinePlaysWhite:
15212 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15214 case MachinePlaysBlack:
15215 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15218 if (cmailMsgLoaded) {
15220 if (WhiteOnMove(cmailOldMove)) {
15221 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15223 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15225 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15236 StopObservingEvent ()
15238 /* Stop observing current games */
15239 SendToICS(ics_prefix);
15240 SendToICS("unobserve\n");
15244 StopExaminingEvent ()
15246 /* Stop observing current game */
15247 SendToICS(ics_prefix);
15248 SendToICS("unexamine\n");
15252 ForwardInner (int target)
15254 int limit; int oldSeekGraphUp = seekGraphUp;
15256 if (appData.debugMode)
15257 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15258 target, currentMove, forwardMostMove);
15260 if (gameMode == EditPosition)
15263 seekGraphUp = FALSE;
15264 MarkTargetSquares(1);
15266 if (gameMode == PlayFromGameFile && !pausing)
15269 if (gameMode == IcsExamining && pausing)
15270 limit = pauseExamForwardMostMove;
15272 limit = forwardMostMove;
15274 if (target > limit) target = limit;
15276 if (target > 0 && moveList[target - 1][0]) {
15277 int fromX, fromY, toX, toY;
15278 toX = moveList[target - 1][2] - AAA;
15279 toY = moveList[target - 1][3] - ONE;
15280 if (moveList[target - 1][1] == '@') {
15281 if (appData.highlightLastMove) {
15282 SetHighlights(-1, -1, toX, toY);
15285 fromX = moveList[target - 1][0] - AAA;
15286 fromY = moveList[target - 1][1] - ONE;
15287 if (target == currentMove + 1) {
15288 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15290 if (appData.highlightLastMove) {
15291 SetHighlights(fromX, fromY, toX, toY);
15295 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15296 gameMode == Training || gameMode == PlayFromGameFile ||
15297 gameMode == AnalyzeFile) {
15298 while (currentMove < target) {
15299 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15300 SendMoveToProgram(currentMove++, &first);
15303 currentMove = target;
15306 if (gameMode == EditGame || gameMode == EndOfGame) {
15307 whiteTimeRemaining = timeRemaining[0][currentMove];
15308 blackTimeRemaining = timeRemaining[1][currentMove];
15310 DisplayBothClocks();
15311 DisplayMove(currentMove - 1);
15312 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15313 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15314 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15315 DisplayComment(currentMove - 1, commentList[currentMove]);
15317 ClearMap(); // [HGM] exclude: invalidate map
15324 if (gameMode == IcsExamining && !pausing) {
15325 SendToICS(ics_prefix);
15326 SendToICS("forward\n");
15328 ForwardInner(currentMove + 1);
15335 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15336 /* to optimze, we temporarily turn off analysis mode while we feed
15337 * the remaining moves to the engine. Otherwise we get analysis output
15340 if (first.analysisSupport) {
15341 SendToProgram("exit\nforce\n", &first);
15342 first.analyzing = FALSE;
15346 if (gameMode == IcsExamining && !pausing) {
15347 SendToICS(ics_prefix);
15348 SendToICS("forward 999999\n");
15350 ForwardInner(forwardMostMove);
15353 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15354 /* we have fed all the moves, so reactivate analysis mode */
15355 SendToProgram("analyze\n", &first);
15356 first.analyzing = TRUE;
15357 /*first.maybeThinking = TRUE;*/
15358 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15363 BackwardInner (int target)
15365 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15367 if (appData.debugMode)
15368 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15369 target, currentMove, forwardMostMove);
15371 if (gameMode == EditPosition) return;
15372 seekGraphUp = FALSE;
15373 MarkTargetSquares(1);
15374 if (currentMove <= backwardMostMove) {
15376 DrawPosition(full_redraw, boards[currentMove]);
15379 if (gameMode == PlayFromGameFile && !pausing)
15382 if (moveList[target][0]) {
15383 int fromX, fromY, toX, toY;
15384 toX = moveList[target][2] - AAA;
15385 toY = moveList[target][3] - ONE;
15386 if (moveList[target][1] == '@') {
15387 if (appData.highlightLastMove) {
15388 SetHighlights(-1, -1, toX, toY);
15391 fromX = moveList[target][0] - AAA;
15392 fromY = moveList[target][1] - ONE;
15393 if (target == currentMove - 1) {
15394 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15396 if (appData.highlightLastMove) {
15397 SetHighlights(fromX, fromY, toX, toY);
15401 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15402 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15403 while (currentMove > target) {
15404 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15405 // null move cannot be undone. Reload program with move history before it.
15407 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15408 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15410 SendBoard(&first, i);
15411 if(second.analyzing) SendBoard(&second, i);
15412 for(currentMove=i; currentMove<target; currentMove++) {
15413 SendMoveToProgram(currentMove, &first);
15414 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15418 SendToBoth("undo\n");
15422 currentMove = target;
15425 if (gameMode == EditGame || gameMode == EndOfGame) {
15426 whiteTimeRemaining = timeRemaining[0][currentMove];
15427 blackTimeRemaining = timeRemaining[1][currentMove];
15429 DisplayBothClocks();
15430 DisplayMove(currentMove - 1);
15431 DrawPosition(full_redraw, boards[currentMove]);
15432 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15433 // [HGM] PV info: routine tests if comment empty
15434 DisplayComment(currentMove - 1, commentList[currentMove]);
15435 ClearMap(); // [HGM] exclude: invalidate map
15441 if (gameMode == IcsExamining && !pausing) {
15442 SendToICS(ics_prefix);
15443 SendToICS("backward\n");
15445 BackwardInner(currentMove - 1);
15452 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15453 /* to optimize, we temporarily turn off analysis mode while we undo
15454 * all the moves. Otherwise we get analysis output after each undo.
15456 if (first.analysisSupport) {
15457 SendToProgram("exit\nforce\n", &first);
15458 first.analyzing = FALSE;
15462 if (gameMode == IcsExamining && !pausing) {
15463 SendToICS(ics_prefix);
15464 SendToICS("backward 999999\n");
15466 BackwardInner(backwardMostMove);
15469 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15470 /* we have fed all the moves, so reactivate analysis mode */
15471 SendToProgram("analyze\n", &first);
15472 first.analyzing = TRUE;
15473 /*first.maybeThinking = TRUE;*/
15474 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15481 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15482 if (to >= forwardMostMove) to = forwardMostMove;
15483 if (to <= backwardMostMove) to = backwardMostMove;
15484 if (to < currentMove) {
15492 RevertEvent (Boolean annotate)
15494 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15497 if (gameMode != IcsExamining) {
15498 DisplayError(_("You are not examining a game"), 0);
15502 DisplayError(_("You can't revert while pausing"), 0);
15505 SendToICS(ics_prefix);
15506 SendToICS("revert\n");
15510 RetractMoveEvent ()
15512 switch (gameMode) {
15513 case MachinePlaysWhite:
15514 case MachinePlaysBlack:
15515 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15516 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15519 if (forwardMostMove < 2) return;
15520 currentMove = forwardMostMove = forwardMostMove - 2;
15521 whiteTimeRemaining = timeRemaining[0][currentMove];
15522 blackTimeRemaining = timeRemaining[1][currentMove];
15523 DisplayBothClocks();
15524 DisplayMove(currentMove - 1);
15525 ClearHighlights();/*!! could figure this out*/
15526 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15527 SendToProgram("remove\n", &first);
15528 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15531 case BeginningOfGame:
15535 case IcsPlayingWhite:
15536 case IcsPlayingBlack:
15537 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15538 SendToICS(ics_prefix);
15539 SendToICS("takeback 2\n");
15541 SendToICS(ics_prefix);
15542 SendToICS("takeback 1\n");
15551 ChessProgramState *cps;
15553 switch (gameMode) {
15554 case MachinePlaysWhite:
15555 if (!WhiteOnMove(forwardMostMove)) {
15556 DisplayError(_("It is your turn"), 0);
15561 case MachinePlaysBlack:
15562 if (WhiteOnMove(forwardMostMove)) {
15563 DisplayError(_("It is your turn"), 0);
15568 case TwoMachinesPlay:
15569 if (WhiteOnMove(forwardMostMove) ==
15570 (first.twoMachinesColor[0] == 'w')) {
15576 case BeginningOfGame:
15580 SendToProgram("?\n", cps);
15584 TruncateGameEvent ()
15587 if (gameMode != EditGame) return;
15594 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15595 if (forwardMostMove > currentMove) {
15596 if (gameInfo.resultDetails != NULL) {
15597 free(gameInfo.resultDetails);
15598 gameInfo.resultDetails = NULL;
15599 gameInfo.result = GameUnfinished;
15601 forwardMostMove = currentMove;
15602 HistorySet(parseList, backwardMostMove, forwardMostMove,
15610 if (appData.noChessProgram) return;
15611 switch (gameMode) {
15612 case MachinePlaysWhite:
15613 if (WhiteOnMove(forwardMostMove)) {
15614 DisplayError(_("Wait until your turn."), 0);
15618 case BeginningOfGame:
15619 case MachinePlaysBlack:
15620 if (!WhiteOnMove(forwardMostMove)) {
15621 DisplayError(_("Wait until your turn."), 0);
15626 DisplayError(_("No hint available"), 0);
15629 SendToProgram("hint\n", &first);
15630 hintRequested = TRUE;
15636 ListGame * lg = (ListGame *) gameList.head;
15639 static int secondTime = FALSE;
15641 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15642 DisplayError(_("Game list not loaded or empty"), 0);
15646 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15649 DisplayNote(_("Book file exists! Try again for overwrite."));
15653 creatingBook = TRUE;
15654 secondTime = FALSE;
15656 /* Get list size */
15657 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15658 LoadGame(f, nItem, "", TRUE);
15659 AddGameToBook(TRUE);
15660 lg = (ListGame *) lg->node.succ;
15663 creatingBook = FALSE;
15670 if (appData.noChessProgram) return;
15671 switch (gameMode) {
15672 case MachinePlaysWhite:
15673 if (WhiteOnMove(forwardMostMove)) {
15674 DisplayError(_("Wait until your turn."), 0);
15678 case BeginningOfGame:
15679 case MachinePlaysBlack:
15680 if (!WhiteOnMove(forwardMostMove)) {
15681 DisplayError(_("Wait until your turn."), 0);
15686 EditPositionDone(TRUE);
15688 case TwoMachinesPlay:
15693 SendToProgram("bk\n", &first);
15694 bookOutput[0] = NULLCHAR;
15695 bookRequested = TRUE;
15701 char *tags = PGNTags(&gameInfo);
15702 TagsPopUp(tags, CmailMsg());
15706 /* end button procedures */
15709 PrintPosition (FILE *fp, int move)
15713 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15714 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15715 char c = PieceToChar(boards[move][i][j]);
15716 fputc(c == 'x' ? '.' : c, fp);
15717 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15720 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15721 fprintf(fp, "white to play\n");
15723 fprintf(fp, "black to play\n");
15727 PrintOpponents (FILE *fp)
15729 if (gameInfo.white != NULL) {
15730 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15736 /* Find last component of program's own name, using some heuristics */
15738 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15741 int local = (strcmp(host, "localhost") == 0);
15742 while (!local && (p = strchr(prog, ';')) != NULL) {
15744 while (*p == ' ') p++;
15747 if (*prog == '"' || *prog == '\'') {
15748 q = strchr(prog + 1, *prog);
15750 q = strchr(prog, ' ');
15752 if (q == NULL) q = prog + strlen(prog);
15754 while (p >= prog && *p != '/' && *p != '\\') p--;
15756 if(p == prog && *p == '"') p++;
15758 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15759 memcpy(buf, p, q - p);
15760 buf[q - p] = NULLCHAR;
15768 TimeControlTagValue ()
15771 if (!appData.clockMode) {
15772 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15773 } else if (movesPerSession > 0) {
15774 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15775 } else if (timeIncrement == 0) {
15776 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15778 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15780 return StrSave(buf);
15786 /* This routine is used only for certain modes */
15787 VariantClass v = gameInfo.variant;
15788 ChessMove r = GameUnfinished;
15791 if(keepInfo) return;
15793 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15794 r = gameInfo.result;
15795 p = gameInfo.resultDetails;
15796 gameInfo.resultDetails = NULL;
15798 ClearGameInfo(&gameInfo);
15799 gameInfo.variant = v;
15801 switch (gameMode) {
15802 case MachinePlaysWhite:
15803 gameInfo.event = StrSave( appData.pgnEventHeader );
15804 gameInfo.site = StrSave(HostName());
15805 gameInfo.date = PGNDate();
15806 gameInfo.round = StrSave("-");
15807 gameInfo.white = StrSave(first.tidy);
15808 gameInfo.black = StrSave(UserName());
15809 gameInfo.timeControl = TimeControlTagValue();
15812 case MachinePlaysBlack:
15813 gameInfo.event = StrSave( appData.pgnEventHeader );
15814 gameInfo.site = StrSave(HostName());
15815 gameInfo.date = PGNDate();
15816 gameInfo.round = StrSave("-");
15817 gameInfo.white = StrSave(UserName());
15818 gameInfo.black = StrSave(first.tidy);
15819 gameInfo.timeControl = TimeControlTagValue();
15822 case TwoMachinesPlay:
15823 gameInfo.event = StrSave( appData.pgnEventHeader );
15824 gameInfo.site = StrSave(HostName());
15825 gameInfo.date = PGNDate();
15828 snprintf(buf, MSG_SIZ, "%d", roundNr);
15829 gameInfo.round = StrSave(buf);
15831 gameInfo.round = StrSave("-");
15833 if (first.twoMachinesColor[0] == 'w') {
15834 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15835 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15837 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15838 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15840 gameInfo.timeControl = TimeControlTagValue();
15844 gameInfo.event = StrSave("Edited game");
15845 gameInfo.site = StrSave(HostName());
15846 gameInfo.date = PGNDate();
15847 gameInfo.round = StrSave("-");
15848 gameInfo.white = StrSave("-");
15849 gameInfo.black = StrSave("-");
15850 gameInfo.result = r;
15851 gameInfo.resultDetails = p;
15855 gameInfo.event = StrSave("Edited position");
15856 gameInfo.site = StrSave(HostName());
15857 gameInfo.date = PGNDate();
15858 gameInfo.round = StrSave("-");
15859 gameInfo.white = StrSave("-");
15860 gameInfo.black = StrSave("-");
15863 case IcsPlayingWhite:
15864 case IcsPlayingBlack:
15869 case PlayFromGameFile:
15870 gameInfo.event = StrSave("Game from non-PGN file");
15871 gameInfo.site = StrSave(HostName());
15872 gameInfo.date = PGNDate();
15873 gameInfo.round = StrSave("-");
15874 gameInfo.white = StrSave("?");
15875 gameInfo.black = StrSave("?");
15884 ReplaceComment (int index, char *text)
15890 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15891 pvInfoList[index-1].depth == len &&
15892 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15893 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15894 while (*text == '\n') text++;
15895 len = strlen(text);
15896 while (len > 0 && text[len - 1] == '\n') len--;
15898 if (commentList[index] != NULL)
15899 free(commentList[index]);
15902 commentList[index] = NULL;
15905 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15906 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15907 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15908 commentList[index] = (char *) malloc(len + 2);
15909 strncpy(commentList[index], text, len);
15910 commentList[index][len] = '\n';
15911 commentList[index][len + 1] = NULLCHAR;
15913 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15915 commentList[index] = (char *) malloc(len + 7);
15916 safeStrCpy(commentList[index], "{\n", 3);
15917 safeStrCpy(commentList[index]+2, text, len+1);
15918 commentList[index][len+2] = NULLCHAR;
15919 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15920 strcat(commentList[index], "\n}\n");
15925 CrushCRs (char *text)
15933 if (ch == '\r') continue;
15935 } while (ch != '\0');
15939 AppendComment (int index, char *text, Boolean addBraces)
15940 /* addBraces tells if we should add {} */
15945 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15946 if(addBraces == 3) addBraces = 0; else // force appending literally
15947 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15950 while (*text == '\n') text++;
15951 len = strlen(text);
15952 while (len > 0 && text[len - 1] == '\n') len--;
15953 text[len] = NULLCHAR;
15955 if (len == 0) return;
15957 if (commentList[index] != NULL) {
15958 Boolean addClosingBrace = addBraces;
15959 old = commentList[index];
15960 oldlen = strlen(old);
15961 while(commentList[index][oldlen-1] == '\n')
15962 commentList[index][--oldlen] = NULLCHAR;
15963 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15964 safeStrCpy(commentList[index], old, oldlen + len + 6);
15966 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15967 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15968 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15969 while (*text == '\n') { text++; len--; }
15970 commentList[index][--oldlen] = NULLCHAR;
15972 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15973 else strcat(commentList[index], "\n");
15974 strcat(commentList[index], text);
15975 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15976 else strcat(commentList[index], "\n");
15978 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15980 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15981 else commentList[index][0] = NULLCHAR;
15982 strcat(commentList[index], text);
15983 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15984 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15989 FindStr (char * text, char * sub_text)
15991 char * result = strstr( text, sub_text );
15993 if( result != NULL ) {
15994 result += strlen( sub_text );
16000 /* [AS] Try to extract PV info from PGN comment */
16001 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16003 GetInfoFromComment (int index, char * text)
16005 char * sep = text, *p;
16007 if( text != NULL && index > 0 ) {
16010 int time = -1, sec = 0, deci;
16011 char * s_eval = FindStr( text, "[%eval " );
16012 char * s_emt = FindStr( text, "[%emt " );
16014 if( s_eval != NULL || s_emt != NULL ) {
16016 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16021 if( s_eval != NULL ) {
16022 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16026 if( delim != ']' ) {
16031 if( s_emt != NULL ) {
16036 /* We expect something like: [+|-]nnn.nn/dd */
16039 if(*text != '{') return text; // [HGM] braces: must be normal comment
16041 sep = strchr( text, '/' );
16042 if( sep == NULL || sep < (text+4) ) {
16047 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16048 if(p[1] == '(') { // comment starts with PV
16049 p = strchr(p, ')'); // locate end of PV
16050 if(p == NULL || sep < p+5) return text;
16051 // at this point we have something like "{(.*) +0.23/6 ..."
16052 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16053 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16054 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16056 time = -1; sec = -1; deci = -1;
16057 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16058 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16059 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16060 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16064 if( score_lo < 0 || score_lo >= 100 ) {
16068 if(sec >= 0) time = 600*time + 10*sec; else
16069 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16071 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16073 /* [HGM] PV time: now locate end of PV info */
16074 while( *++sep >= '0' && *sep <= '9'); // strip depth
16076 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16078 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16080 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16081 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16092 pvInfoList[index-1].depth = depth;
16093 pvInfoList[index-1].score = score;
16094 pvInfoList[index-1].time = 10*time; // centi-sec
16095 if(*sep == '}') *sep = 0; else *--sep = '{';
16096 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16102 SendToProgram (char *message, ChessProgramState *cps)
16104 int count, outCount, error;
16107 if (cps->pr == NoProc) return;
16110 if (appData.debugMode) {
16113 fprintf(debugFP, "%ld >%-6s: %s",
16114 SubtractTimeMarks(&now, &programStartTime),
16115 cps->which, message);
16117 fprintf(serverFP, "%ld >%-6s: %s",
16118 SubtractTimeMarks(&now, &programStartTime),
16119 cps->which, message), fflush(serverFP);
16122 count = strlen(message);
16123 outCount = OutputToProcess(cps->pr, message, count, &error);
16124 if (outCount < count && !exiting
16125 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16126 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16127 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16128 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16129 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16130 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16131 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16132 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16134 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16135 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16136 gameInfo.result = res;
16138 gameInfo.resultDetails = StrSave(buf);
16140 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16141 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16146 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16150 ChessProgramState *cps = (ChessProgramState *)closure;
16152 if (isr != cps->isr) return; /* Killed intentionally */
16155 RemoveInputSource(cps->isr);
16156 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16157 _(cps->which), cps->program);
16158 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16159 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16160 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16161 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16162 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16163 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16165 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16166 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16167 gameInfo.result = res;
16169 gameInfo.resultDetails = StrSave(buf);
16171 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16172 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16174 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16175 _(cps->which), cps->program);
16176 RemoveInputSource(cps->isr);
16178 /* [AS] Program is misbehaving badly... kill it */
16179 if( count == -2 ) {
16180 DestroyChildProcess( cps->pr, 9 );
16184 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16189 if ((end_str = strchr(message, '\r')) != NULL)
16190 *end_str = NULLCHAR;
16191 if ((end_str = strchr(message, '\n')) != NULL)
16192 *end_str = NULLCHAR;
16194 if (appData.debugMode) {
16195 TimeMark now; int print = 1;
16196 char *quote = ""; char c; int i;
16198 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16199 char start = message[0];
16200 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16201 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16202 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16203 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16204 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16205 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16206 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16207 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16208 sscanf(message, "hint: %c", &c)!=1 &&
16209 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16210 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16211 print = (appData.engineComments >= 2);
16213 message[0] = start; // restore original message
16217 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16218 SubtractTimeMarks(&now, &programStartTime), cps->which,
16222 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16223 SubtractTimeMarks(&now, &programStartTime), cps->which,
16225 message), fflush(serverFP);
16229 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16230 if (appData.icsEngineAnalyze) {
16231 if (strstr(message, "whisper") != NULL ||
16232 strstr(message, "kibitz") != NULL ||
16233 strstr(message, "tellics") != NULL) return;
16236 HandleMachineMove(message, cps);
16241 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16246 if( timeControl_2 > 0 ) {
16247 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16248 tc = timeControl_2;
16251 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16252 inc /= cps->timeOdds;
16253 st /= cps->timeOdds;
16255 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16258 /* Set exact time per move, normally using st command */
16259 if (cps->stKludge) {
16260 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16262 if (seconds == 0) {
16263 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16265 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16268 snprintf(buf, MSG_SIZ, "st %d\n", st);
16271 /* Set conventional or incremental time control, using level command */
16272 if (seconds == 0) {
16273 /* Note old gnuchess bug -- minutes:seconds used to not work.
16274 Fixed in later versions, but still avoid :seconds
16275 when seconds is 0. */
16276 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16278 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16279 seconds, inc/1000.);
16282 SendToProgram(buf, cps);
16284 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16285 /* Orthogonally, limit search to given depth */
16287 if (cps->sdKludge) {
16288 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16290 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16292 SendToProgram(buf, cps);
16295 if(cps->nps >= 0) { /* [HGM] nps */
16296 if(cps->supportsNPS == FALSE)
16297 cps->nps = -1; // don't use if engine explicitly says not supported!
16299 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16300 SendToProgram(buf, cps);
16305 ChessProgramState *
16307 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16309 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16310 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16316 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16318 char message[MSG_SIZ];
16321 /* Note: this routine must be called when the clocks are stopped
16322 or when they have *just* been set or switched; otherwise
16323 it will be off by the time since the current tick started.
16325 if (machineWhite) {
16326 time = whiteTimeRemaining / 10;
16327 otime = blackTimeRemaining / 10;
16329 time = blackTimeRemaining / 10;
16330 otime = whiteTimeRemaining / 10;
16332 /* [HGM] translate opponent's time by time-odds factor */
16333 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16335 if (time <= 0) time = 1;
16336 if (otime <= 0) otime = 1;
16338 snprintf(message, MSG_SIZ, "time %ld\n", time);
16339 SendToProgram(message, cps);
16341 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16342 SendToProgram(message, cps);
16346 EngineDefinedVariant (ChessProgramState *cps, int n)
16347 { // return name of n-th unknown variant that engine supports
16348 static char buf[MSG_SIZ];
16349 char *p, *s = cps->variants;
16350 if(!s) return NULL;
16351 do { // parse string from variants feature
16353 p = strchr(s, ',');
16354 if(p) *p = NULLCHAR;
16355 v = StringToVariant(s);
16356 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16357 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16358 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16361 if(n < 0) return buf;
16367 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16370 int len = strlen(name);
16373 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16375 sscanf(*p, "%d", &val);
16377 while (**p && **p != ' ')
16379 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16380 SendToProgram(buf, cps);
16387 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16390 int len = strlen(name);
16391 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16393 sscanf(*p, "%d", loc);
16394 while (**p && **p != ' ') (*p)++;
16395 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16396 SendToProgram(buf, cps);
16403 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16406 int len = strlen(name);
16407 if (strncmp((*p), name, len) == 0
16408 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16410 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16411 sscanf(*p, "%[^\"]", *loc);
16412 while (**p && **p != '\"') (*p)++;
16413 if (**p == '\"') (*p)++;
16414 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16415 SendToProgram(buf, cps);
16422 ParseOption (Option *opt, ChessProgramState *cps)
16423 // [HGM] options: process the string that defines an engine option, and determine
16424 // name, type, default value, and allowed value range
16426 char *p, *q, buf[MSG_SIZ];
16427 int n, min = (-1)<<31, max = 1<<31, def;
16429 if(p = strstr(opt->name, " -spin ")) {
16430 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16431 if(max < min) max = min; // enforce consistency
16432 if(def < min) def = min;
16433 if(def > max) def = max;
16438 } else if((p = strstr(opt->name, " -slider "))) {
16439 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16440 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16441 if(max < min) max = min; // enforce consistency
16442 if(def < min) def = min;
16443 if(def > max) def = max;
16447 opt->type = Spin; // Slider;
16448 } else if((p = strstr(opt->name, " -string "))) {
16449 opt->textValue = p+9;
16450 opt->type = TextBox;
16451 } else if((p = strstr(opt->name, " -file "))) {
16452 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16453 opt->textValue = p+7;
16454 opt->type = FileName; // FileName;
16455 } else if((p = strstr(opt->name, " -path "))) {
16456 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16457 opt->textValue = p+7;
16458 opt->type = PathName; // PathName;
16459 } else if(p = strstr(opt->name, " -check ")) {
16460 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16461 opt->value = (def != 0);
16462 opt->type = CheckBox;
16463 } else if(p = strstr(opt->name, " -combo ")) {
16464 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16465 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16466 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16467 opt->value = n = 0;
16468 while(q = StrStr(q, " /// ")) {
16469 n++; *q = 0; // count choices, and null-terminate each of them
16471 if(*q == '*') { // remember default, which is marked with * prefix
16475 cps->comboList[cps->comboCnt++] = q;
16477 cps->comboList[cps->comboCnt++] = NULL;
16479 opt->type = ComboBox;
16480 } else if(p = strstr(opt->name, " -button")) {
16481 opt->type = Button;
16482 } else if(p = strstr(opt->name, " -save")) {
16483 opt->type = SaveButton;
16484 } else return FALSE;
16485 *p = 0; // terminate option name
16486 // now look if the command-line options define a setting for this engine option.
16487 if(cps->optionSettings && cps->optionSettings[0])
16488 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16489 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16490 snprintf(buf, MSG_SIZ, "option %s", p);
16491 if(p = strstr(buf, ",")) *p = 0;
16492 if(q = strchr(buf, '=')) switch(opt->type) {
16494 for(n=0; n<opt->max; n++)
16495 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16498 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16502 opt->value = atoi(q+1);
16507 SendToProgram(buf, cps);
16513 FeatureDone (ChessProgramState *cps, int val)
16515 DelayedEventCallback cb = GetDelayedEvent();
16516 if ((cb == InitBackEnd3 && cps == &first) ||
16517 (cb == SettingsMenuIfReady && cps == &second) ||
16518 (cb == LoadEngine) ||
16519 (cb == TwoMachinesEventIfReady)) {
16520 CancelDelayedEvent();
16521 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16523 cps->initDone = val;
16524 if(val) cps->reload = FALSE;
16527 /* Parse feature command from engine */
16529 ParseFeatures (char *args, ChessProgramState *cps)
16537 while (*p == ' ') p++;
16538 if (*p == NULLCHAR) return;
16540 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16541 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16542 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16543 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16544 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16545 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16546 if (BoolFeature(&p, "reuse", &val, cps)) {
16547 /* Engine can disable reuse, but can't enable it if user said no */
16548 if (!val) cps->reuse = FALSE;
16551 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16552 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16553 if (gameMode == TwoMachinesPlay) {
16554 DisplayTwoMachinesTitle();
16560 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16561 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16562 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16563 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16564 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16565 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16566 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16567 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16568 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16569 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16570 if (IntFeature(&p, "done", &val, cps)) {
16571 FeatureDone(cps, val);
16574 /* Added by Tord: */
16575 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16576 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16577 /* End of additions by Tord */
16579 /* [HGM] added features: */
16580 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16581 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16582 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16583 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16584 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16585 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16586 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16587 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16588 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16589 FREE(cps->option[cps->nrOptions].name);
16590 cps->option[cps->nrOptions].name = q; q = NULL;
16591 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16592 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16593 SendToProgram(buf, cps);
16596 if(cps->nrOptions >= MAX_OPTIONS) {
16598 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16599 DisplayError(buf, 0);
16603 /* End of additions by HGM */
16605 /* unknown feature: complain and skip */
16607 while (*q && *q != '=') q++;
16608 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16609 SendToProgram(buf, cps);
16615 while (*p && *p != '\"') p++;
16616 if (*p == '\"') p++;
16618 while (*p && *p != ' ') p++;
16626 PeriodicUpdatesEvent (int newState)
16628 if (newState == appData.periodicUpdates)
16631 appData.periodicUpdates=newState;
16633 /* Display type changes, so update it now */
16634 // DisplayAnalysis();
16636 /* Get the ball rolling again... */
16638 AnalysisPeriodicEvent(1);
16639 StartAnalysisClock();
16644 PonderNextMoveEvent (int newState)
16646 if (newState == appData.ponderNextMove) return;
16647 if (gameMode == EditPosition) EditPositionDone(TRUE);
16649 SendToProgram("hard\n", &first);
16650 if (gameMode == TwoMachinesPlay) {
16651 SendToProgram("hard\n", &second);
16654 SendToProgram("easy\n", &first);
16655 thinkOutput[0] = NULLCHAR;
16656 if (gameMode == TwoMachinesPlay) {
16657 SendToProgram("easy\n", &second);
16660 appData.ponderNextMove = newState;
16664 NewSettingEvent (int option, int *feature, char *command, int value)
16668 if (gameMode == EditPosition) EditPositionDone(TRUE);
16669 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16670 if(feature == NULL || *feature) SendToProgram(buf, &first);
16671 if (gameMode == TwoMachinesPlay) {
16672 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16677 ShowThinkingEvent ()
16678 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16680 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16681 int newState = appData.showThinking
16682 // [HGM] thinking: other features now need thinking output as well
16683 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16685 if (oldState == newState) return;
16686 oldState = newState;
16687 if (gameMode == EditPosition) EditPositionDone(TRUE);
16689 SendToProgram("post\n", &first);
16690 if (gameMode == TwoMachinesPlay) {
16691 SendToProgram("post\n", &second);
16694 SendToProgram("nopost\n", &first);
16695 thinkOutput[0] = NULLCHAR;
16696 if (gameMode == TwoMachinesPlay) {
16697 SendToProgram("nopost\n", &second);
16700 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16704 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16706 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16707 if (pr == NoProc) return;
16708 AskQuestion(title, question, replyPrefix, pr);
16712 TypeInEvent (char firstChar)
16714 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16715 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16716 gameMode == AnalyzeMode || gameMode == EditGame ||
16717 gameMode == EditPosition || gameMode == IcsExamining ||
16718 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16719 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16720 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16721 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16722 gameMode == Training) PopUpMoveDialog(firstChar);
16726 TypeInDoneEvent (char *move)
16729 int n, fromX, fromY, toX, toY;
16731 ChessMove moveType;
16734 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16735 EditPositionPasteFEN(move);
16738 // [HGM] movenum: allow move number to be typed in any mode
16739 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16743 // undocumented kludge: allow command-line option to be typed in!
16744 // (potentially fatal, and does not implement the effect of the option.)
16745 // should only be used for options that are values on which future decisions will be made,
16746 // and definitely not on options that would be used during initialization.
16747 if(strstr(move, "!!! -") == move) {
16748 ParseArgsFromString(move+4);
16752 if (gameMode != EditGame && currentMove != forwardMostMove &&
16753 gameMode != Training) {
16754 DisplayMoveError(_("Displayed move is not current"));
16756 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16757 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16758 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16759 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16760 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16761 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16763 DisplayMoveError(_("Could not parse move"));
16769 DisplayMove (int moveNumber)
16771 char message[MSG_SIZ];
16773 char cpThinkOutput[MSG_SIZ];
16775 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16777 if (moveNumber == forwardMostMove - 1 ||
16778 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16780 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16782 if (strchr(cpThinkOutput, '\n')) {
16783 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16786 *cpThinkOutput = NULLCHAR;
16789 /* [AS] Hide thinking from human user */
16790 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16791 *cpThinkOutput = NULLCHAR;
16792 if( thinkOutput[0] != NULLCHAR ) {
16795 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16796 cpThinkOutput[i] = '.';
16798 cpThinkOutput[i] = NULLCHAR;
16799 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16803 if (moveNumber == forwardMostMove - 1 &&
16804 gameInfo.resultDetails != NULL) {
16805 if (gameInfo.resultDetails[0] == NULLCHAR) {
16806 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16808 snprintf(res, MSG_SIZ, " {%s} %s",
16809 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16815 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16816 DisplayMessage(res, cpThinkOutput);
16818 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16819 WhiteOnMove(moveNumber) ? " " : ".. ",
16820 parseList[moveNumber], res);
16821 DisplayMessage(message, cpThinkOutput);
16826 DisplayComment (int moveNumber, char *text)
16828 char title[MSG_SIZ];
16830 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16831 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16833 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16834 WhiteOnMove(moveNumber) ? " " : ".. ",
16835 parseList[moveNumber]);
16837 if (text != NULL && (appData.autoDisplayComment || commentUp))
16838 CommentPopUp(title, text);
16841 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16842 * might be busy thinking or pondering. It can be omitted if your
16843 * gnuchess is configured to stop thinking immediately on any user
16844 * input. However, that gnuchess feature depends on the FIONREAD
16845 * ioctl, which does not work properly on some flavors of Unix.
16848 Attention (ChessProgramState *cps)
16851 if (!cps->useSigint) return;
16852 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16853 switch (gameMode) {
16854 case MachinePlaysWhite:
16855 case MachinePlaysBlack:
16856 case TwoMachinesPlay:
16857 case IcsPlayingWhite:
16858 case IcsPlayingBlack:
16861 /* Skip if we know it isn't thinking */
16862 if (!cps->maybeThinking) return;
16863 if (appData.debugMode)
16864 fprintf(debugFP, "Interrupting %s\n", cps->which);
16865 InterruptChildProcess(cps->pr);
16866 cps->maybeThinking = FALSE;
16871 #endif /*ATTENTION*/
16877 if (whiteTimeRemaining <= 0) {
16880 if (appData.icsActive) {
16881 if (appData.autoCallFlag &&
16882 gameMode == IcsPlayingBlack && !blackFlag) {
16883 SendToICS(ics_prefix);
16884 SendToICS("flag\n");
16888 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16890 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16891 if (appData.autoCallFlag) {
16892 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16899 if (blackTimeRemaining <= 0) {
16902 if (appData.icsActive) {
16903 if (appData.autoCallFlag &&
16904 gameMode == IcsPlayingWhite && !whiteFlag) {
16905 SendToICS(ics_prefix);
16906 SendToICS("flag\n");
16910 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16912 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16913 if (appData.autoCallFlag) {
16914 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16925 CheckTimeControl ()
16927 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16928 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16931 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16933 if ( !WhiteOnMove(forwardMostMove) ) {
16934 /* White made time control */
16935 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16936 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16937 /* [HGM] time odds: correct new time quota for time odds! */
16938 / WhitePlayer()->timeOdds;
16939 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16941 lastBlack -= blackTimeRemaining;
16942 /* Black made time control */
16943 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16944 / WhitePlayer()->other->timeOdds;
16945 lastWhite = whiteTimeRemaining;
16950 DisplayBothClocks ()
16952 int wom = gameMode == EditPosition ?
16953 !blackPlaysFirst : WhiteOnMove(currentMove);
16954 DisplayWhiteClock(whiteTimeRemaining, wom);
16955 DisplayBlackClock(blackTimeRemaining, !wom);
16959 /* Timekeeping seems to be a portability nightmare. I think everyone
16960 has ftime(), but I'm really not sure, so I'm including some ifdefs
16961 to use other calls if you don't. Clocks will be less accurate if
16962 you have neither ftime nor gettimeofday.
16965 /* VS 2008 requires the #include outside of the function */
16966 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16967 #include <sys/timeb.h>
16970 /* Get the current time as a TimeMark */
16972 GetTimeMark (TimeMark *tm)
16974 #if HAVE_GETTIMEOFDAY
16976 struct timeval timeVal;
16977 struct timezone timeZone;
16979 gettimeofday(&timeVal, &timeZone);
16980 tm->sec = (long) timeVal.tv_sec;
16981 tm->ms = (int) (timeVal.tv_usec / 1000L);
16983 #else /*!HAVE_GETTIMEOFDAY*/
16986 // include <sys/timeb.h> / moved to just above start of function
16987 struct timeb timeB;
16990 tm->sec = (long) timeB.time;
16991 tm->ms = (int) timeB.millitm;
16993 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16994 tm->sec = (long) time(NULL);
17000 /* Return the difference in milliseconds between two
17001 time marks. We assume the difference will fit in a long!
17004 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17006 return 1000L*(tm2->sec - tm1->sec) +
17007 (long) (tm2->ms - tm1->ms);
17012 * Code to manage the game clocks.
17014 * In tournament play, black starts the clock and then white makes a move.
17015 * We give the human user a slight advantage if he is playing white---the
17016 * clocks don't run until he makes his first move, so it takes zero time.
17017 * Also, we don't account for network lag, so we could get out of sync
17018 * with GNU Chess's clock -- but then, referees are always right.
17021 static TimeMark tickStartTM;
17022 static long intendedTickLength;
17025 NextTickLength (long timeRemaining)
17027 long nominalTickLength, nextTickLength;
17029 if (timeRemaining > 0L && timeRemaining <= 10000L)
17030 nominalTickLength = 100L;
17032 nominalTickLength = 1000L;
17033 nextTickLength = timeRemaining % nominalTickLength;
17034 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17036 return nextTickLength;
17039 /* Adjust clock one minute up or down */
17041 AdjustClock (Boolean which, int dir)
17043 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17044 if(which) blackTimeRemaining += 60000*dir;
17045 else whiteTimeRemaining += 60000*dir;
17046 DisplayBothClocks();
17047 adjustedClock = TRUE;
17050 /* Stop clocks and reset to a fresh time control */
17054 (void) StopClockTimer();
17055 if (appData.icsActive) {
17056 whiteTimeRemaining = blackTimeRemaining = 0;
17057 } else if (searchTime) {
17058 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17059 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17060 } else { /* [HGM] correct new time quote for time odds */
17061 whiteTC = blackTC = fullTimeControlString;
17062 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17063 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17065 if (whiteFlag || blackFlag) {
17067 whiteFlag = blackFlag = FALSE;
17069 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17070 DisplayBothClocks();
17071 adjustedClock = FALSE;
17074 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17076 /* Decrement running clock by amount of time that has passed */
17080 long timeRemaining;
17081 long lastTickLength, fudge;
17084 if (!appData.clockMode) return;
17085 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17089 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17091 /* Fudge if we woke up a little too soon */
17092 fudge = intendedTickLength - lastTickLength;
17093 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17095 if (WhiteOnMove(forwardMostMove)) {
17096 if(whiteNPS >= 0) lastTickLength = 0;
17097 timeRemaining = whiteTimeRemaining -= lastTickLength;
17098 if(timeRemaining < 0 && !appData.icsActive) {
17099 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17100 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17101 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17102 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17105 DisplayWhiteClock(whiteTimeRemaining - fudge,
17106 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17108 if(blackNPS >= 0) lastTickLength = 0;
17109 timeRemaining = blackTimeRemaining -= lastTickLength;
17110 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17111 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17113 blackStartMove = forwardMostMove;
17114 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17117 DisplayBlackClock(blackTimeRemaining - fudge,
17118 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17120 if (CheckFlags()) return;
17122 if(twoBoards) { // count down secondary board's clocks as well
17123 activePartnerTime -= lastTickLength;
17125 if(activePartner == 'W')
17126 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17128 DisplayBlackClock(activePartnerTime, TRUE);
17133 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17134 StartClockTimer(intendedTickLength);
17136 /* if the time remaining has fallen below the alarm threshold, sound the
17137 * alarm. if the alarm has sounded and (due to a takeback or time control
17138 * with increment) the time remaining has increased to a level above the
17139 * threshold, reset the alarm so it can sound again.
17142 if (appData.icsActive && appData.icsAlarm) {
17144 /* make sure we are dealing with the user's clock */
17145 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17146 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17149 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17150 alarmSounded = FALSE;
17151 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17153 alarmSounded = TRUE;
17159 /* A player has just moved, so stop the previously running
17160 clock and (if in clock mode) start the other one.
17161 We redisplay both clocks in case we're in ICS mode, because
17162 ICS gives us an update to both clocks after every move.
17163 Note that this routine is called *after* forwardMostMove
17164 is updated, so the last fractional tick must be subtracted
17165 from the color that is *not* on move now.
17168 SwitchClocks (int newMoveNr)
17170 long lastTickLength;
17172 int flagged = FALSE;
17176 if (StopClockTimer() && appData.clockMode) {
17177 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17178 if (!WhiteOnMove(forwardMostMove)) {
17179 if(blackNPS >= 0) lastTickLength = 0;
17180 blackTimeRemaining -= lastTickLength;
17181 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17182 // if(pvInfoList[forwardMostMove].time == -1)
17183 pvInfoList[forwardMostMove].time = // use GUI time
17184 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17186 if(whiteNPS >= 0) lastTickLength = 0;
17187 whiteTimeRemaining -= lastTickLength;
17188 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17189 // if(pvInfoList[forwardMostMove].time == -1)
17190 pvInfoList[forwardMostMove].time =
17191 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17193 flagged = CheckFlags();
17195 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17196 CheckTimeControl();
17198 if (flagged || !appData.clockMode) return;
17200 switch (gameMode) {
17201 case MachinePlaysBlack:
17202 case MachinePlaysWhite:
17203 case BeginningOfGame:
17204 if (pausing) return;
17208 case PlayFromGameFile:
17216 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17217 if(WhiteOnMove(forwardMostMove))
17218 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17219 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17223 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17224 whiteTimeRemaining : blackTimeRemaining);
17225 StartClockTimer(intendedTickLength);
17229 /* Stop both clocks */
17233 long lastTickLength;
17236 if (!StopClockTimer()) return;
17237 if (!appData.clockMode) return;
17241 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17242 if (WhiteOnMove(forwardMostMove)) {
17243 if(whiteNPS >= 0) lastTickLength = 0;
17244 whiteTimeRemaining -= lastTickLength;
17245 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17247 if(blackNPS >= 0) lastTickLength = 0;
17248 blackTimeRemaining -= lastTickLength;
17249 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17254 /* Start clock of player on move. Time may have been reset, so
17255 if clock is already running, stop and restart it. */
17259 (void) StopClockTimer(); /* in case it was running already */
17260 DisplayBothClocks();
17261 if (CheckFlags()) return;
17263 if (!appData.clockMode) return;
17264 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17266 GetTimeMark(&tickStartTM);
17267 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17268 whiteTimeRemaining : blackTimeRemaining);
17270 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17271 whiteNPS = blackNPS = -1;
17272 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17273 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17274 whiteNPS = first.nps;
17275 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17276 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17277 blackNPS = first.nps;
17278 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17279 whiteNPS = second.nps;
17280 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17281 blackNPS = second.nps;
17282 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17284 StartClockTimer(intendedTickLength);
17288 TimeString (long ms)
17290 long second, minute, hour, day;
17292 static char buf[32];
17294 if (ms > 0 && ms <= 9900) {
17295 /* convert milliseconds to tenths, rounding up */
17296 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17298 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17302 /* convert milliseconds to seconds, rounding up */
17303 /* use floating point to avoid strangeness of integer division
17304 with negative dividends on many machines */
17305 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17312 day = second / (60 * 60 * 24);
17313 second = second % (60 * 60 * 24);
17314 hour = second / (60 * 60);
17315 second = second % (60 * 60);
17316 minute = second / 60;
17317 second = second % 60;
17320 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17321 sign, day, hour, minute, second);
17323 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17325 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17332 * This is necessary because some C libraries aren't ANSI C compliant yet.
17335 StrStr (char *string, char *match)
17339 length = strlen(match);
17341 for (i = strlen(string) - length; i >= 0; i--, string++)
17342 if (!strncmp(match, string, length))
17349 StrCaseStr (char *string, char *match)
17353 length = strlen(match);
17355 for (i = strlen(string) - length; i >= 0; i--, string++) {
17356 for (j = 0; j < length; j++) {
17357 if (ToLower(match[j]) != ToLower(string[j]))
17360 if (j == length) return string;
17368 StrCaseCmp (char *s1, char *s2)
17373 c1 = ToLower(*s1++);
17374 c2 = ToLower(*s2++);
17375 if (c1 > c2) return 1;
17376 if (c1 < c2) return -1;
17377 if (c1 == NULLCHAR) return 0;
17385 return isupper(c) ? tolower(c) : c;
17392 return islower(c) ? toupper(c) : c;
17394 #endif /* !_amigados */
17401 if ((ret = (char *) malloc(strlen(s) + 1)))
17403 safeStrCpy(ret, s, strlen(s)+1);
17409 StrSavePtr (char *s, char **savePtr)
17414 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17415 safeStrCpy(*savePtr, s, strlen(s)+1);
17427 clock = time((time_t *)NULL);
17428 tm = localtime(&clock);
17429 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17430 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17431 return StrSave(buf);
17436 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17438 int i, j, fromX, fromY, toX, toY;
17445 whiteToPlay = (gameMode == EditPosition) ?
17446 !blackPlaysFirst : (move % 2 == 0);
17449 /* Piece placement data */
17450 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17451 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17453 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17454 if (boards[move][i][j] == EmptySquare) {
17456 } else { ChessSquare piece = boards[move][i][j];
17457 if (emptycount > 0) {
17458 if(emptycount<10) /* [HGM] can be >= 10 */
17459 *p++ = '0' + emptycount;
17460 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17463 if(PieceToChar(piece) == '+') {
17464 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17466 piece = (ChessSquare)(DEMOTED piece);
17468 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17470 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17471 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17476 if (emptycount > 0) {
17477 if(emptycount<10) /* [HGM] can be >= 10 */
17478 *p++ = '0' + emptycount;
17479 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17486 /* [HGM] print Crazyhouse or Shogi holdings */
17487 if( gameInfo.holdingsWidth ) {
17488 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17490 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17491 piece = boards[move][i][BOARD_WIDTH-1];
17492 if( piece != EmptySquare )
17493 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17494 *p++ = PieceToChar(piece);
17496 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17497 piece = boards[move][BOARD_HEIGHT-i-1][0];
17498 if( piece != EmptySquare )
17499 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17500 *p++ = PieceToChar(piece);
17503 if( q == p ) *p++ = '-';
17509 *p++ = whiteToPlay ? 'w' : 'b';
17512 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17513 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17515 if(nrCastlingRights) {
17517 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17518 /* [HGM] write directly from rights */
17519 if(boards[move][CASTLING][2] != NoRights &&
17520 boards[move][CASTLING][0] != NoRights )
17521 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17522 if(boards[move][CASTLING][2] != NoRights &&
17523 boards[move][CASTLING][1] != NoRights )
17524 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17525 if(boards[move][CASTLING][5] != NoRights &&
17526 boards[move][CASTLING][3] != NoRights )
17527 *p++ = boards[move][CASTLING][3] + AAA;
17528 if(boards[move][CASTLING][5] != NoRights &&
17529 boards[move][CASTLING][4] != NoRights )
17530 *p++ = boards[move][CASTLING][4] + AAA;
17533 /* [HGM] write true castling rights */
17534 if( nrCastlingRights == 6 ) {
17536 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17537 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17538 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17539 boards[move][CASTLING][2] != NoRights );
17540 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17541 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17542 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17543 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17544 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17548 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17549 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17550 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17551 boards[move][CASTLING][5] != NoRights );
17552 if(gameInfo.variant == VariantSChess) {
17553 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17554 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17555 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17556 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17561 if (q == p) *p++ = '-'; /* No castling rights */
17565 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17566 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17567 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17568 /* En passant target square */
17569 if (move > backwardMostMove) {
17570 fromX = moveList[move - 1][0] - AAA;
17571 fromY = moveList[move - 1][1] - ONE;
17572 toX = moveList[move - 1][2] - AAA;
17573 toY = moveList[move - 1][3] - ONE;
17574 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17575 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17576 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17578 /* 2-square pawn move just happened */
17580 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17584 } else if(move == backwardMostMove) {
17585 // [HGM] perhaps we should always do it like this, and forget the above?
17586 if((signed char)boards[move][EP_STATUS] >= 0) {
17587 *p++ = boards[move][EP_STATUS] + AAA;
17588 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17600 { int i = 0, j=move;
17602 /* [HGM] find reversible plies */
17603 if (appData.debugMode) { int k;
17604 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17605 for(k=backwardMostMove; k<=forwardMostMove; k++)
17606 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17610 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17611 if( j == backwardMostMove ) i += initialRulePlies;
17612 sprintf(p, "%d ", i);
17613 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17615 /* Fullmove number */
17616 sprintf(p, "%d", (move / 2) + 1);
17617 } else *--p = NULLCHAR;
17619 return StrSave(buf);
17623 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17627 int emptycount, virgin[BOARD_FILES];
17632 /* Piece placement data */
17633 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17636 if (*p == '/' || *p == ' ' || *p == '[' ) {
17638 emptycount = gameInfo.boardWidth - j;
17639 while (emptycount--)
17640 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17641 if (*p == '/') p++;
17642 else if(autoSize) { // we stumbled unexpectedly into end of board
17643 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17644 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17646 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17649 #if(BOARD_FILES >= 10)
17650 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17651 p++; emptycount=10;
17652 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17653 while (emptycount--)
17654 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17656 } else if (*p == '*') {
17657 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17658 } else if (isdigit(*p)) {
17659 emptycount = *p++ - '0';
17660 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17661 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17662 while (emptycount--)
17663 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17664 } else if (*p == '+' || isalpha(*p)) {
17665 if (j >= gameInfo.boardWidth) return FALSE;
17667 piece = CharToPiece(*++p);
17668 if(piece == EmptySquare) return FALSE; /* unknown piece */
17669 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17670 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17671 } else piece = CharToPiece(*p++);
17673 if(piece==EmptySquare) return FALSE; /* unknown piece */
17674 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17675 piece = (ChessSquare) (PROMOTED piece);
17676 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17679 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17685 while (*p == '/' || *p == ' ') p++;
17687 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17689 /* [HGM] by default clear Crazyhouse holdings, if present */
17690 if(gameInfo.holdingsWidth) {
17691 for(i=0; i<BOARD_HEIGHT; i++) {
17692 board[i][0] = EmptySquare; /* black holdings */
17693 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17694 board[i][1] = (ChessSquare) 0; /* black counts */
17695 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17699 /* [HGM] look for Crazyhouse holdings here */
17700 while(*p==' ') p++;
17701 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17703 if(*p == '-' ) p++; /* empty holdings */ else {
17704 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17705 /* if we would allow FEN reading to set board size, we would */
17706 /* have to add holdings and shift the board read so far here */
17707 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17709 if((int) piece >= (int) BlackPawn ) {
17710 i = (int)piece - (int)BlackPawn;
17711 i = PieceToNumber((ChessSquare)i);
17712 if( i >= gameInfo.holdingsSize ) return FALSE;
17713 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17714 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17716 i = (int)piece - (int)WhitePawn;
17717 i = PieceToNumber((ChessSquare)i);
17718 if( i >= gameInfo.holdingsSize ) return FALSE;
17719 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17720 board[i][BOARD_WIDTH-2]++; /* black holdings */
17727 while(*p == ' ') p++;
17731 if(appData.colorNickNames) {
17732 if( c == appData.colorNickNames[0] ) c = 'w'; else
17733 if( c == appData.colorNickNames[1] ) c = 'b';
17737 *blackPlaysFirst = FALSE;
17740 *blackPlaysFirst = TRUE;
17746 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17747 /* return the extra info in global variiables */
17749 /* set defaults in case FEN is incomplete */
17750 board[EP_STATUS] = EP_UNKNOWN;
17751 for(i=0; i<nrCastlingRights; i++ ) {
17752 board[CASTLING][i] =
17753 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17754 } /* assume possible unless obviously impossible */
17755 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17756 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17757 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17758 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17759 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17760 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17761 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17762 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17765 while(*p==' ') p++;
17766 if(nrCastlingRights) {
17767 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17768 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17769 /* castling indicator present, so default becomes no castlings */
17770 for(i=0; i<nrCastlingRights; i++ ) {
17771 board[CASTLING][i] = NoRights;
17774 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17775 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17776 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17777 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17778 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17780 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17781 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17782 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17784 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17785 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17786 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17787 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17788 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17789 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17792 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17793 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17794 board[CASTLING][2] = whiteKingFile;
17795 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17796 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17799 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17800 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17801 board[CASTLING][2] = whiteKingFile;
17802 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17803 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17806 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17807 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17808 board[CASTLING][5] = blackKingFile;
17809 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17810 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17813 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17814 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17815 board[CASTLING][5] = blackKingFile;
17816 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17817 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17820 default: /* FRC castlings */
17821 if(c >= 'a') { /* black rights */
17822 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17823 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17824 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17825 if(i == BOARD_RGHT) break;
17826 board[CASTLING][5] = i;
17828 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17829 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17831 board[CASTLING][3] = c;
17833 board[CASTLING][4] = c;
17834 } else { /* white rights */
17835 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17836 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17837 if(board[0][i] == WhiteKing) break;
17838 if(i == BOARD_RGHT) break;
17839 board[CASTLING][2] = i;
17840 c -= AAA - 'a' + 'A';
17841 if(board[0][c] >= WhiteKing) break;
17843 board[CASTLING][0] = c;
17845 board[CASTLING][1] = c;
17849 for(i=0; i<nrCastlingRights; i++)
17850 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17851 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17852 if (appData.debugMode) {
17853 fprintf(debugFP, "FEN castling rights:");
17854 for(i=0; i<nrCastlingRights; i++)
17855 fprintf(debugFP, " %d", board[CASTLING][i]);
17856 fprintf(debugFP, "\n");
17859 while(*p==' ') p++;
17862 /* read e.p. field in games that know e.p. capture */
17863 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17864 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17865 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17867 p++; board[EP_STATUS] = EP_NONE;
17869 char c = *p++ - AAA;
17871 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17872 if(*p >= '0' && *p <='9') p++;
17873 board[EP_STATUS] = c;
17878 if(sscanf(p, "%d", &i) == 1) {
17879 FENrulePlies = i; /* 50-move ply counter */
17880 /* (The move number is still ignored) */
17887 EditPositionPasteFEN (char *fen)
17890 Board initial_position;
17892 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
17893 DisplayError(_("Bad FEN position in clipboard"), 0);
17896 int savedBlackPlaysFirst = blackPlaysFirst;
17897 EditPositionEvent();
17898 blackPlaysFirst = savedBlackPlaysFirst;
17899 CopyBoard(boards[0], initial_position);
17900 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17901 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17902 DisplayBothClocks();
17903 DrawPosition(FALSE, boards[currentMove]);
17908 static char cseq[12] = "\\ ";
17911 set_cont_sequence (char *new_seq)
17916 // handle bad attempts to set the sequence
17918 return 0; // acceptable error - no debug
17920 len = strlen(new_seq);
17921 ret = (len > 0) && (len < sizeof(cseq));
17923 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17924 else if (appData.debugMode)
17925 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17930 reformat a source message so words don't cross the width boundary. internal
17931 newlines are not removed. returns the wrapped size (no null character unless
17932 included in source message). If dest is NULL, only calculate the size required
17933 for the dest buffer. lp argument indicats line position upon entry, and it's
17934 passed back upon exit.
17937 wrap (char *dest, char *src, int count, int width, int *lp)
17939 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17941 cseq_len = strlen(cseq);
17942 old_line = line = *lp;
17943 ansi = len = clen = 0;
17945 for (i=0; i < count; i++)
17947 if (src[i] == '\033')
17950 // if we hit the width, back up
17951 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17953 // store i & len in case the word is too long
17954 old_i = i, old_len = len;
17956 // find the end of the last word
17957 while (i && src[i] != ' ' && src[i] != '\n')
17963 // word too long? restore i & len before splitting it
17964 if ((old_i-i+clen) >= width)
17971 if (i && src[i-1] == ' ')
17974 if (src[i] != ' ' && src[i] != '\n')
17981 // now append the newline and continuation sequence
17986 strncpy(dest+len, cseq, cseq_len);
17994 dest[len] = src[i];
17998 if (src[i] == '\n')
18003 if (dest && appData.debugMode)
18005 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18006 count, width, line, len, *lp);
18007 show_bytes(debugFP, src, count);
18008 fprintf(debugFP, "\ndest: ");
18009 show_bytes(debugFP, dest, len);
18010 fprintf(debugFP, "\n");
18012 *lp = dest ? line : old_line;
18017 // [HGM] vari: routines for shelving variations
18018 Boolean modeRestore = FALSE;
18021 PushInner (int firstMove, int lastMove)
18023 int i, j, nrMoves = lastMove - firstMove;
18025 // push current tail of game on stack
18026 savedResult[storedGames] = gameInfo.result;
18027 savedDetails[storedGames] = gameInfo.resultDetails;
18028 gameInfo.resultDetails = NULL;
18029 savedFirst[storedGames] = firstMove;
18030 savedLast [storedGames] = lastMove;
18031 savedFramePtr[storedGames] = framePtr;
18032 framePtr -= nrMoves; // reserve space for the boards
18033 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18034 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18035 for(j=0; j<MOVE_LEN; j++)
18036 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18037 for(j=0; j<2*MOVE_LEN; j++)
18038 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18039 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18040 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18041 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18042 pvInfoList[firstMove+i-1].depth = 0;
18043 commentList[framePtr+i] = commentList[firstMove+i];
18044 commentList[firstMove+i] = NULL;
18048 forwardMostMove = firstMove; // truncate game so we can start variation
18052 PushTail (int firstMove, int lastMove)
18054 if(appData.icsActive) { // only in local mode
18055 forwardMostMove = currentMove; // mimic old ICS behavior
18058 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18060 PushInner(firstMove, lastMove);
18061 if(storedGames == 1) GreyRevert(FALSE);
18062 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18066 PopInner (Boolean annotate)
18069 char buf[8000], moveBuf[20];
18071 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18072 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18073 nrMoves = savedLast[storedGames] - currentMove;
18076 if(!WhiteOnMove(currentMove))
18077 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18078 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18079 for(i=currentMove; i<forwardMostMove; i++) {
18081 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18082 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18083 strcat(buf, moveBuf);
18084 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18085 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18089 for(i=1; i<=nrMoves; i++) { // copy last variation back
18090 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18091 for(j=0; j<MOVE_LEN; j++)
18092 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18093 for(j=0; j<2*MOVE_LEN; j++)
18094 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18095 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18096 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18097 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18098 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18099 commentList[currentMove+i] = commentList[framePtr+i];
18100 commentList[framePtr+i] = NULL;
18102 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18103 framePtr = savedFramePtr[storedGames];
18104 gameInfo.result = savedResult[storedGames];
18105 if(gameInfo.resultDetails != NULL) {
18106 free(gameInfo.resultDetails);
18108 gameInfo.resultDetails = savedDetails[storedGames];
18109 forwardMostMove = currentMove + nrMoves;
18113 PopTail (Boolean annotate)
18115 if(appData.icsActive) return FALSE; // only in local mode
18116 if(!storedGames) return FALSE; // sanity
18117 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18119 PopInner(annotate);
18120 if(currentMove < forwardMostMove) ForwardEvent(); else
18121 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18123 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18129 { // remove all shelved variations
18131 for(i=0; i<storedGames; i++) {
18132 if(savedDetails[i])
18133 free(savedDetails[i]);
18134 savedDetails[i] = NULL;
18136 for(i=framePtr; i<MAX_MOVES; i++) {
18137 if(commentList[i]) free(commentList[i]);
18138 commentList[i] = NULL;
18140 framePtr = MAX_MOVES-1;
18145 LoadVariation (int index, char *text)
18146 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18147 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18148 int level = 0, move;
18150 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18151 // first find outermost bracketing variation
18152 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18153 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18154 if(*p == '{') wait = '}'; else
18155 if(*p == '[') wait = ']'; else
18156 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18157 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18159 if(*p == wait) wait = NULLCHAR; // closing ]} found
18162 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18163 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18164 end[1] = NULLCHAR; // clip off comment beyond variation
18165 ToNrEvent(currentMove-1);
18166 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18167 // kludge: use ParsePV() to append variation to game
18168 move = currentMove;
18169 ParsePV(start, TRUE, TRUE);
18170 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18171 ClearPremoveHighlights();
18173 ToNrEvent(currentMove+1);
18179 char *p, *q, buf[MSG_SIZ];
18180 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18181 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18182 ParseArgsFromString(buf);
18183 ActivateTheme(TRUE); // also redo colors
18187 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18190 q = appData.themeNames;
18191 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18192 if(appData.useBitmaps) {
18193 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18194 appData.liteBackTextureFile, appData.darkBackTextureFile,
18195 appData.liteBackTextureMode,
18196 appData.darkBackTextureMode );
18198 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18199 Col2Text(2), // lightSquareColor
18200 Col2Text(3) ); // darkSquareColor
18202 if(appData.useBorder) {
18203 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18206 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18208 if(appData.useFont) {
18209 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18210 appData.renderPiecesWithFont,
18211 appData.fontToPieceTable,
18212 Col2Text(9), // appData.fontBackColorWhite
18213 Col2Text(10) ); // appData.fontForeColorBlack
18215 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18216 appData.pieceDirectory);
18217 if(!appData.pieceDirectory[0])
18218 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18219 Col2Text(0), // whitePieceColor
18220 Col2Text(1) ); // blackPieceColor
18222 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18223 Col2Text(4), // highlightSquareColor
18224 Col2Text(5) ); // premoveHighlightColor
18225 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18226 if(insert != q) insert[-1] = NULLCHAR;
18227 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18230 ActivateTheme(FALSE);