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 static int toggleFlag;
5317 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5318 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5319 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5320 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5321 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5322 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5324 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5325 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5326 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5327 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5328 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5329 if(!step) step = -1;
5330 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5331 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5332 appData.testLegality && (promoSweep == king || promoSweep == WhiteLion || promoSweep == BlackLion));
5334 int victim = boards[currentMove][toY][toX];
5335 boards[currentMove][toY][toX] = promoSweep;
5336 DrawPosition(FALSE, boards[currentMove]);
5337 boards[currentMove][toY][toX] = victim;
5339 ChangeDragPiece(promoSweep);
5343 PromoScroll (int x, int y)
5347 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5348 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5349 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5350 if(!step) return FALSE;
5351 lastX = x; lastY = y;
5352 if((promoSweep < BlackPawn) == flipView) step = -step;
5353 if(step > 0) selectFlag = 1;
5354 if(!selectFlag) Sweep(step);
5359 NextPiece (int step)
5361 ChessSquare piece = boards[currentMove][toY][toX];
5364 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5365 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5366 if(!step) step = -1;
5367 } while(PieceToChar(pieceSweep) == '.');
5368 boards[currentMove][toY][toX] = pieceSweep;
5369 DrawPosition(FALSE, boards[currentMove]);
5370 boards[currentMove][toY][toX] = piece;
5372 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5374 AlphaRank (char *move, int n)
5376 // char *p = move, c; int x, y;
5378 if (appData.debugMode) {
5379 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5383 move[2]>='0' && move[2]<='9' &&
5384 move[3]>='a' && move[3]<='x' ) {
5386 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5387 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5389 if(move[0]>='0' && move[0]<='9' &&
5390 move[1]>='a' && move[1]<='x' &&
5391 move[2]>='0' && move[2]<='9' &&
5392 move[3]>='a' && move[3]<='x' ) {
5393 /* input move, Shogi -> normal */
5394 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5395 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5396 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5397 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5400 move[3]>='0' && move[3]<='9' &&
5401 move[2]>='a' && move[2]<='x' ) {
5403 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5404 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5407 move[0]>='a' && move[0]<='x' &&
5408 move[3]>='0' && move[3]<='9' &&
5409 move[2]>='a' && move[2]<='x' ) {
5410 /* output move, normal -> Shogi */
5411 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5412 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5413 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5414 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5415 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5417 if (appData.debugMode) {
5418 fprintf(debugFP, " out = '%s'\n", move);
5422 char yy_textstr[8000];
5424 /* Parser for moves from gnuchess, ICS, or user typein box */
5426 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5428 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5430 switch (*moveType) {
5431 case WhitePromotion:
5432 case BlackPromotion:
5433 case WhiteNonPromotion:
5434 case BlackNonPromotion:
5437 case WhiteCapturesEnPassant:
5438 case BlackCapturesEnPassant:
5439 case WhiteKingSideCastle:
5440 case WhiteQueenSideCastle:
5441 case BlackKingSideCastle:
5442 case BlackQueenSideCastle:
5443 case WhiteKingSideCastleWild:
5444 case WhiteQueenSideCastleWild:
5445 case BlackKingSideCastleWild:
5446 case BlackQueenSideCastleWild:
5447 /* Code added by Tord: */
5448 case WhiteHSideCastleFR:
5449 case WhiteASideCastleFR:
5450 case BlackHSideCastleFR:
5451 case BlackASideCastleFR:
5452 /* End of code added by Tord */
5453 case IllegalMove: /* bug or odd chess variant */
5454 *fromX = currentMoveString[0] - AAA;
5455 *fromY = currentMoveString[1] - ONE;
5456 *toX = currentMoveString[2] - AAA;
5457 *toY = currentMoveString[3] - ONE;
5458 *promoChar = currentMoveString[4];
5459 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5460 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5461 if (appData.debugMode) {
5462 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5464 *fromX = *fromY = *toX = *toY = 0;
5467 if (appData.testLegality) {
5468 return (*moveType != IllegalMove);
5470 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5471 // [HGM] lion: if this is a double move we are less critical
5472 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5477 *fromX = *moveType == WhiteDrop ?
5478 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5479 (int) CharToPiece(ToLower(currentMoveString[0]));
5481 *toX = currentMoveString[2] - AAA;
5482 *toY = currentMoveString[3] - ONE;
5483 *promoChar = NULLCHAR;
5487 case ImpossibleMove:
5497 if (appData.debugMode) {
5498 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5501 *fromX = *fromY = *toX = *toY = 0;
5502 *promoChar = NULLCHAR;
5507 Boolean pushed = FALSE;
5508 char *lastParseAttempt;
5511 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5512 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5513 int fromX, fromY, toX, toY; char promoChar;
5518 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5519 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5520 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5523 endPV = forwardMostMove;
5525 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5526 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5527 lastParseAttempt = pv;
5528 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5529 if(!valid && nr == 0 &&
5530 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5531 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5532 // Hande case where played move is different from leading PV move
5533 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5534 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5535 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5536 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5537 endPV += 2; // if position different, keep this
5538 moveList[endPV-1][0] = fromX + AAA;
5539 moveList[endPV-1][1] = fromY + ONE;
5540 moveList[endPV-1][2] = toX + AAA;
5541 moveList[endPV-1][3] = toY + ONE;
5542 parseList[endPV-1][0] = NULLCHAR;
5543 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5546 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5547 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5548 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5549 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5550 valid++; // allow comments in PV
5554 if(endPV+1 > framePtr) break; // no space, truncate
5557 CopyBoard(boards[endPV], boards[endPV-1]);
5558 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5559 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5560 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5561 CoordsToAlgebraic(boards[endPV - 1],
5562 PosFlags(endPV - 1),
5563 fromY, fromX, toY, toX, promoChar,
5564 parseList[endPV - 1]);
5566 if(atEnd == 2) return; // used hidden, for PV conversion
5567 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5568 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5569 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5570 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5571 DrawPosition(TRUE, boards[currentMove]);
5575 MultiPV (ChessProgramState *cps)
5576 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5578 for(i=0; i<cps->nrOptions; i++)
5579 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5584 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5587 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5589 int startPV, multi, lineStart, origIndex = index;
5590 char *p, buf2[MSG_SIZ];
5591 ChessProgramState *cps = (pane ? &second : &first);
5593 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5594 lastX = x; lastY = y;
5595 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5596 lineStart = startPV = index;
5597 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5598 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5600 do{ while(buf[index] && buf[index] != '\n') index++;
5601 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5603 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5604 int n = cps->option[multi].value;
5605 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5606 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5607 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5608 cps->option[multi].value = n;
5611 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5612 ExcludeClick(origIndex - lineStart);
5615 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5616 *start = startPV; *end = index-1;
5617 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5624 static char buf[10*MSG_SIZ];
5625 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5627 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5628 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5629 for(i = forwardMostMove; i<endPV; i++){
5630 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5631 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5634 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5635 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5636 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5642 LoadPV (int x, int y)
5643 { // called on right mouse click to load PV
5644 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5645 lastX = x; lastY = y;
5646 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5654 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5655 if(endPV < 0) return;
5656 if(appData.autoCopyPV) CopyFENToClipboard();
5658 if(extendGame && currentMove > forwardMostMove) {
5659 Boolean saveAnimate = appData.animate;
5661 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5662 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5663 } else storedGames--; // abandon shelved tail of original game
5666 forwardMostMove = currentMove;
5667 currentMove = oldFMM;
5668 appData.animate = FALSE;
5669 ToNrEvent(forwardMostMove);
5670 appData.animate = saveAnimate;
5672 currentMove = forwardMostMove;
5673 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5674 ClearPremoveHighlights();
5675 DrawPosition(TRUE, boards[currentMove]);
5679 MovePV (int x, int y, int h)
5680 { // step through PV based on mouse coordinates (called on mouse move)
5681 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5683 // we must somehow check if right button is still down (might be released off board!)
5684 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5685 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5686 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5688 lastX = x; lastY = y;
5690 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5691 if(endPV < 0) return;
5692 if(y < margin) step = 1; else
5693 if(y > h - margin) step = -1;
5694 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5695 currentMove += step;
5696 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5697 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5698 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5699 DrawPosition(FALSE, boards[currentMove]);
5703 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5704 // All positions will have equal probability, but the current method will not provide a unique
5705 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5711 int piecesLeft[(int)BlackPawn];
5712 int seed, nrOfShuffles;
5715 GetPositionNumber ()
5716 { // sets global variable seed
5719 seed = appData.defaultFrcPosition;
5720 if(seed < 0) { // randomize based on time for negative FRC position numbers
5721 for(i=0; i<50; i++) seed += random();
5722 seed = random() ^ random() >> 8 ^ random() << 8;
5723 if(seed<0) seed = -seed;
5728 put (Board board, int pieceType, int rank, int n, int shade)
5729 // put the piece on the (n-1)-th empty squares of the given shade
5733 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5734 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5735 board[rank][i] = (ChessSquare) pieceType;
5736 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5738 piecesLeft[pieceType]--;
5747 AddOnePiece (Board board, int pieceType, int rank, int shade)
5748 // calculate where the next piece goes, (any empty square), and put it there
5752 i = seed % squaresLeft[shade];
5753 nrOfShuffles *= squaresLeft[shade];
5754 seed /= squaresLeft[shade];
5755 put(board, pieceType, rank, i, shade);
5759 AddTwoPieces (Board board, int pieceType, int rank)
5760 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5762 int i, n=squaresLeft[ANY], j=n-1, k;
5764 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5765 i = seed % k; // pick one
5768 while(i >= j) i -= j--;
5769 j = n - 1 - j; i += j;
5770 put(board, pieceType, rank, j, ANY);
5771 put(board, pieceType, rank, i, ANY);
5775 SetUpShuffle (Board board, int number)
5779 GetPositionNumber(); nrOfShuffles = 1;
5781 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5782 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5783 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5785 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5787 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5788 p = (int) board[0][i];
5789 if(p < (int) BlackPawn) piecesLeft[p] ++;
5790 board[0][i] = EmptySquare;
5793 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5794 // shuffles restricted to allow normal castling put KRR first
5795 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5796 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5797 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5798 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5799 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5800 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5801 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5802 put(board, WhiteRook, 0, 0, ANY);
5803 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5806 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5807 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5808 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5809 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5810 while(piecesLeft[p] >= 2) {
5811 AddOnePiece(board, p, 0, LITE);
5812 AddOnePiece(board, p, 0, DARK);
5814 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5817 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5818 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5819 // but we leave King and Rooks for last, to possibly obey FRC restriction
5820 if(p == (int)WhiteRook) continue;
5821 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5822 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5825 // now everything is placed, except perhaps King (Unicorn) and Rooks
5827 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5828 // Last King gets castling rights
5829 while(piecesLeft[(int)WhiteUnicorn]) {
5830 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5831 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5834 while(piecesLeft[(int)WhiteKing]) {
5835 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5836 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5841 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5842 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5845 // Only Rooks can be left; simply place them all
5846 while(piecesLeft[(int)WhiteRook]) {
5847 i = put(board, WhiteRook, 0, 0, ANY);
5848 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5851 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5853 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5856 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5857 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5860 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5864 SetCharTable (char *table, const char * map)
5865 /* [HGM] moved here from winboard.c because of its general usefulness */
5866 /* Basically a safe strcpy that uses the last character as King */
5868 int result = FALSE; int NrPieces;
5870 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5871 && NrPieces >= 12 && !(NrPieces&1)) {
5872 int i; /* [HGM] Accept even length from 12 to 34 */
5874 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5875 for( i=0; i<NrPieces/2-1; i++ ) {
5877 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5879 table[(int) WhiteKing] = map[NrPieces/2-1];
5880 table[(int) BlackKing] = map[NrPieces-1];
5889 Prelude (Board board)
5890 { // [HGM] superchess: random selection of exo-pieces
5891 int i, j, k; ChessSquare p;
5892 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5894 GetPositionNumber(); // use FRC position number
5896 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5897 SetCharTable(pieceToChar, appData.pieceToCharTable);
5898 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5899 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5902 j = seed%4; seed /= 4;
5903 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5904 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5905 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5906 j = seed%3 + (seed%3 >= j); seed /= 3;
5907 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5908 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5909 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5910 j = seed%3; seed /= 3;
5911 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5912 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5913 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5914 j = seed%2 + (seed%2 >= j); seed /= 2;
5915 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5916 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5917 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5918 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5919 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5920 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5921 put(board, exoPieces[0], 0, 0, ANY);
5922 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5926 InitPosition (int redraw)
5928 ChessSquare (* pieces)[BOARD_FILES];
5929 int i, j, pawnRow=1, pieceRows=1, overrule,
5930 oldx = gameInfo.boardWidth,
5931 oldy = gameInfo.boardHeight,
5932 oldh = gameInfo.holdingsWidth;
5935 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5937 /* [AS] Initialize pv info list [HGM] and game status */
5939 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5940 pvInfoList[i].depth = 0;
5941 boards[i][EP_STATUS] = EP_NONE;
5942 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5945 initialRulePlies = 0; /* 50-move counter start */
5947 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5948 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5952 /* [HGM] logic here is completely changed. In stead of full positions */
5953 /* the initialized data only consist of the two backranks. The switch */
5954 /* selects which one we will use, which is than copied to the Board */
5955 /* initialPosition, which for the rest is initialized by Pawns and */
5956 /* empty squares. This initial position is then copied to boards[0], */
5957 /* possibly after shuffling, so that it remains available. */
5959 gameInfo.holdingsWidth = 0; /* default board sizes */
5960 gameInfo.boardWidth = 8;
5961 gameInfo.boardHeight = 8;
5962 gameInfo.holdingsSize = 0;
5963 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5964 for(i=0; i<BOARD_FILES-2; i++)
5965 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5966 initialPosition[EP_STATUS] = EP_NONE;
5967 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5968 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5969 SetCharTable(pieceNickName, appData.pieceNickNames);
5970 else SetCharTable(pieceNickName, "............");
5973 switch (gameInfo.variant) {
5974 case VariantFischeRandom:
5975 shuffleOpenings = TRUE;
5978 case VariantShatranj:
5979 pieces = ShatranjArray;
5980 nrCastlingRights = 0;
5981 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5984 pieces = makrukArray;
5985 nrCastlingRights = 0;
5986 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5989 pieces = aseanArray;
5990 nrCastlingRights = 0;
5991 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5993 case VariantTwoKings:
5994 pieces = twoKingsArray;
5997 pieces = GrandArray;
5998 nrCastlingRights = 0;
5999 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6000 gameInfo.boardWidth = 10;
6001 gameInfo.boardHeight = 10;
6002 gameInfo.holdingsSize = 7;
6004 case VariantCapaRandom:
6005 shuffleOpenings = TRUE;
6006 case VariantCapablanca:
6007 pieces = CapablancaArray;
6008 gameInfo.boardWidth = 10;
6009 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6012 pieces = GothicArray;
6013 gameInfo.boardWidth = 10;
6014 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6017 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6018 gameInfo.holdingsSize = 7;
6019 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6022 pieces = JanusArray;
6023 gameInfo.boardWidth = 10;
6024 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6025 nrCastlingRights = 6;
6026 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6027 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6028 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6029 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6030 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6031 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6034 pieces = FalconArray;
6035 gameInfo.boardWidth = 10;
6036 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6038 case VariantXiangqi:
6039 pieces = XiangqiArray;
6040 gameInfo.boardWidth = 9;
6041 gameInfo.boardHeight = 10;
6042 nrCastlingRights = 0;
6043 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6046 pieces = ShogiArray;
6047 gameInfo.boardWidth = 9;
6048 gameInfo.boardHeight = 9;
6049 gameInfo.holdingsSize = 7;
6050 nrCastlingRights = 0;
6051 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6054 pieces = ChuArray; pieceRows = 3;
6055 gameInfo.boardWidth = 12;
6056 gameInfo.boardHeight = 12;
6057 nrCastlingRights = 0;
6058 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6059 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6061 case VariantCourier:
6062 pieces = CourierArray;
6063 gameInfo.boardWidth = 12;
6064 nrCastlingRights = 0;
6065 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6067 case VariantKnightmate:
6068 pieces = KnightmateArray;
6069 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6071 case VariantSpartan:
6072 pieces = SpartanArray;
6073 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6077 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6079 case VariantChuChess:
6080 pieces = ChuChessArray;
6081 gameInfo.boardWidth = 10;
6082 gameInfo.boardHeight = 10;
6083 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6086 pieces = fairyArray;
6087 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6090 pieces = GreatArray;
6091 gameInfo.boardWidth = 10;
6092 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6093 gameInfo.holdingsSize = 8;
6097 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6098 gameInfo.holdingsSize = 8;
6099 startedFromSetupPosition = TRUE;
6101 case VariantCrazyhouse:
6102 case VariantBughouse:
6104 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6105 gameInfo.holdingsSize = 5;
6107 case VariantWildCastle:
6109 /* !!?shuffle with kings guaranteed to be on d or e file */
6110 shuffleOpenings = 1;
6112 case VariantNoCastle:
6114 nrCastlingRights = 0;
6115 /* !!?unconstrained back-rank shuffle */
6116 shuffleOpenings = 1;
6121 if(appData.NrFiles >= 0) {
6122 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6123 gameInfo.boardWidth = appData.NrFiles;
6125 if(appData.NrRanks >= 0) {
6126 gameInfo.boardHeight = appData.NrRanks;
6128 if(appData.holdingsSize >= 0) {
6129 i = appData.holdingsSize;
6130 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6131 gameInfo.holdingsSize = i;
6133 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6134 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6135 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6137 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6138 if(pawnRow < 1) pawnRow = 1;
6139 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6140 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6141 if(gameInfo.variant == VariantChu) pawnRow = 3;
6143 /* User pieceToChar list overrules defaults */
6144 if(appData.pieceToCharTable != NULL)
6145 SetCharTable(pieceToChar, appData.pieceToCharTable);
6147 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6149 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6150 s = (ChessSquare) 0; /* account holding counts in guard band */
6151 for( i=0; i<BOARD_HEIGHT; i++ )
6152 initialPosition[i][j] = s;
6154 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6155 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6156 initialPosition[pawnRow][j] = WhitePawn;
6157 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6158 if(gameInfo.variant == VariantXiangqi) {
6160 initialPosition[pawnRow][j] =
6161 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6162 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6163 initialPosition[2][j] = WhiteCannon;
6164 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6168 if(gameInfo.variant == VariantChu) {
6169 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6170 initialPosition[pawnRow+1][j] = WhiteCobra,
6171 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6172 for(i=1; i<pieceRows; i++) {
6173 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6174 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6177 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6178 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6179 initialPosition[0][j] = WhiteRook;
6180 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6183 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6185 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6186 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6189 initialPosition[1][j] = WhiteBishop;
6190 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6192 initialPosition[1][j] = WhiteRook;
6193 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6196 if( nrCastlingRights == -1) {
6197 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6198 /* This sets default castling rights from none to normal corners */
6199 /* Variants with other castling rights must set them themselves above */
6200 nrCastlingRights = 6;
6202 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6203 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6204 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6205 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6206 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6207 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6210 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6211 if(gameInfo.variant == VariantGreat) { // promotion commoners
6212 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6213 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6214 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6215 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6217 if( gameInfo.variant == VariantSChess ) {
6218 initialPosition[1][0] = BlackMarshall;
6219 initialPosition[2][0] = BlackAngel;
6220 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6221 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6222 initialPosition[1][1] = initialPosition[2][1] =
6223 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6225 if (appData.debugMode) {
6226 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6228 if(shuffleOpenings) {
6229 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6230 startedFromSetupPosition = TRUE;
6232 if(startedFromPositionFile) {
6233 /* [HGM] loadPos: use PositionFile for every new game */
6234 CopyBoard(initialPosition, filePosition);
6235 for(i=0; i<nrCastlingRights; i++)
6236 initialRights[i] = filePosition[CASTLING][i];
6237 startedFromSetupPosition = TRUE;
6240 CopyBoard(boards[0], initialPosition);
6242 if(oldx != gameInfo.boardWidth ||
6243 oldy != gameInfo.boardHeight ||
6244 oldv != gameInfo.variant ||
6245 oldh != gameInfo.holdingsWidth
6247 InitDrawingSizes(-2 ,0);
6249 oldv = gameInfo.variant;
6251 DrawPosition(TRUE, boards[currentMove]);
6255 SendBoard (ChessProgramState *cps, int moveNum)
6257 char message[MSG_SIZ];
6259 if (cps->useSetboard) {
6260 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6261 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6262 SendToProgram(message, cps);
6267 int i, j, left=0, right=BOARD_WIDTH;
6268 /* Kludge to set black to move, avoiding the troublesome and now
6269 * deprecated "black" command.
6271 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6272 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6274 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6276 SendToProgram("edit\n", cps);
6277 SendToProgram("#\n", cps);
6278 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6279 bp = &boards[moveNum][i][left];
6280 for (j = left; j < right; j++, bp++) {
6281 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6282 if ((int) *bp < (int) BlackPawn) {
6283 if(j == BOARD_RGHT+1)
6284 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6285 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6286 if(message[0] == '+' || message[0] == '~') {
6287 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6288 PieceToChar((ChessSquare)(DEMOTED *bp)),
6291 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6292 message[1] = BOARD_RGHT - 1 - j + '1';
6293 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6295 SendToProgram(message, cps);
6300 SendToProgram("c\n", cps);
6301 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6302 bp = &boards[moveNum][i][left];
6303 for (j = left; j < right; j++, bp++) {
6304 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6305 if (((int) *bp != (int) EmptySquare)
6306 && ((int) *bp >= (int) BlackPawn)) {
6307 if(j == BOARD_LEFT-2)
6308 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6309 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6311 if(message[0] == '+' || message[0] == '~') {
6312 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6313 PieceToChar((ChessSquare)(DEMOTED *bp)),
6316 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6317 message[1] = BOARD_RGHT - 1 - j + '1';
6318 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6320 SendToProgram(message, cps);
6325 SendToProgram(".\n", cps);
6327 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6330 char exclusionHeader[MSG_SIZ];
6331 int exCnt, excludePtr;
6332 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6333 static Exclusion excluTab[200];
6334 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6340 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6341 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6347 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6348 excludePtr = 24; exCnt = 0;
6353 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6354 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6355 char buf[2*MOVE_LEN], *p;
6356 Exclusion *e = excluTab;
6358 for(i=0; i<exCnt; i++)
6359 if(e[i].ff == fromX && e[i].fr == fromY &&
6360 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6361 if(i == exCnt) { // was not in exclude list; add it
6362 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6363 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6364 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6367 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6368 excludePtr++; e[i].mark = excludePtr++;
6369 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6372 exclusionHeader[e[i].mark] = state;
6376 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6377 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6381 if((signed char)promoChar == -1) { // kludge to indicate best move
6382 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6383 return 1; // if unparsable, abort
6385 // update exclusion map (resolving toggle by consulting existing state)
6386 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6388 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6389 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6390 excludeMap[k] |= 1<<j;
6391 else excludeMap[k] &= ~(1<<j);
6393 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6395 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6396 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6398 return (state == '+');
6402 ExcludeClick (int index)
6405 Exclusion *e = excluTab;
6406 if(index < 25) { // none, best or tail clicked
6407 if(index < 13) { // none: include all
6408 WriteMap(0); // clear map
6409 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6410 SendToBoth("include all\n"); // and inform engine
6411 } else if(index > 18) { // tail
6412 if(exclusionHeader[19] == '-') { // tail was excluded
6413 SendToBoth("include all\n");
6414 WriteMap(0); // clear map completely
6415 // now re-exclude selected moves
6416 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6417 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6418 } else { // tail was included or in mixed state
6419 SendToBoth("exclude all\n");
6420 WriteMap(0xFF); // fill map completely
6421 // now re-include selected moves
6422 j = 0; // count them
6423 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6424 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6425 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6428 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6431 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6432 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6433 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6440 DefaultPromoChoice (int white)
6443 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6444 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6445 result = WhiteFerz; // no choice
6446 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6447 result= WhiteKing; // in Suicide Q is the last thing we want
6448 else if(gameInfo.variant == VariantSpartan)
6449 result = white ? WhiteQueen : WhiteAngel;
6450 else result = WhiteQueen;
6451 if(!white) result = WHITE_TO_BLACK result;
6455 static int autoQueen; // [HGM] oneclick
6458 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6460 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6461 /* [HGM] add Shogi promotions */
6462 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6463 ChessSquare piece, partner;
6467 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6468 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6470 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6471 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6474 piece = boards[currentMove][fromY][fromX];
6475 if(gameInfo.variant == VariantChu) {
6476 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6477 promotionZoneSize = BOARD_HEIGHT/3;
6478 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6479 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6480 promotionZoneSize = BOARD_HEIGHT/3;
6481 highestPromotingPiece = (int)WhiteAlfil;
6482 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6483 promotionZoneSize = 3;
6486 // Treat Lance as Pawn when it is not representing Amazon
6487 if(gameInfo.variant != VariantSuper) {
6488 if(piece == WhiteLance) piece = WhitePawn; else
6489 if(piece == BlackLance) piece = BlackPawn;
6492 // next weed out all moves that do not touch the promotion zone at all
6493 if((int)piece >= BlackPawn) {
6494 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6496 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6497 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6499 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6500 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6501 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6505 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6507 // weed out mandatory Shogi promotions
6508 if(gameInfo.variant == VariantShogi) {
6509 if(piece >= BlackPawn) {
6510 if(toY == 0 && piece == BlackPawn ||
6511 toY == 0 && piece == BlackQueen ||
6512 toY <= 1 && piece == BlackKnight) {
6517 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6518 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6519 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6526 // weed out obviously illegal Pawn moves
6527 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6528 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6529 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6530 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6531 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6532 // note we are not allowed to test for valid (non-)capture, due to premove
6535 // we either have a choice what to promote to, or (in Shogi) whether to promote
6536 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6537 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6538 *promoChoice = PieceToChar(BlackFerz); // no choice
6541 // no sense asking what we must promote to if it is going to explode...
6542 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6543 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6546 // give caller the default choice even if we will not make it
6547 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6548 partner = piece; // pieces can promote if the pieceToCharTable says so
6549 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6550 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6551 if( sweepSelect && gameInfo.variant != VariantGreat
6552 && gameInfo.variant != VariantGrand
6553 && gameInfo.variant != VariantSuper) return FALSE;
6554 if(autoQueen) return FALSE; // predetermined
6556 // suppress promotion popup on illegal moves that are not premoves
6557 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6558 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6559 if(appData.testLegality && !premove) {
6560 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6561 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6562 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6563 if(moveType != WhitePromotion && moveType != BlackPromotion)
6571 InPalace (int row, int column)
6572 { /* [HGM] for Xiangqi */
6573 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6574 column < (BOARD_WIDTH + 4)/2 &&
6575 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6580 PieceForSquare (int x, int y)
6582 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6585 return boards[currentMove][y][x];
6589 OKToStartUserMove (int x, int y)
6591 ChessSquare from_piece;
6594 if (matchMode) return FALSE;
6595 if (gameMode == EditPosition) return TRUE;
6597 if (x >= 0 && y >= 0)
6598 from_piece = boards[currentMove][y][x];
6600 from_piece = EmptySquare;
6602 if (from_piece == EmptySquare) return FALSE;
6604 white_piece = (int)from_piece >= (int)WhitePawn &&
6605 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6609 case TwoMachinesPlay:
6617 case MachinePlaysWhite:
6618 case IcsPlayingBlack:
6619 if (appData.zippyPlay) return FALSE;
6621 DisplayMoveError(_("You are playing Black"));
6626 case MachinePlaysBlack:
6627 case IcsPlayingWhite:
6628 if (appData.zippyPlay) return FALSE;
6630 DisplayMoveError(_("You are playing White"));
6635 case PlayFromGameFile:
6636 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6638 if (!white_piece && WhiteOnMove(currentMove)) {
6639 DisplayMoveError(_("It is White's turn"));
6642 if (white_piece && !WhiteOnMove(currentMove)) {
6643 DisplayMoveError(_("It is Black's turn"));
6646 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6647 /* Editing correspondence game history */
6648 /* Could disallow this or prompt for confirmation */
6653 case BeginningOfGame:
6654 if (appData.icsActive) return FALSE;
6655 if (!appData.noChessProgram) {
6657 DisplayMoveError(_("You are playing White"));
6664 if (!white_piece && WhiteOnMove(currentMove)) {
6665 DisplayMoveError(_("It is White's turn"));
6668 if (white_piece && !WhiteOnMove(currentMove)) {
6669 DisplayMoveError(_("It is Black's turn"));
6678 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6679 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6680 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6681 && gameMode != AnalyzeFile && gameMode != Training) {
6682 DisplayMoveError(_("Displayed position is not current"));
6689 OnlyMove (int *x, int *y, Boolean captures)
6691 DisambiguateClosure cl;
6692 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6694 case MachinePlaysBlack:
6695 case IcsPlayingWhite:
6696 case BeginningOfGame:
6697 if(!WhiteOnMove(currentMove)) return FALSE;
6699 case MachinePlaysWhite:
6700 case IcsPlayingBlack:
6701 if(WhiteOnMove(currentMove)) return FALSE;
6708 cl.pieceIn = EmptySquare;
6713 cl.promoCharIn = NULLCHAR;
6714 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6715 if( cl.kind == NormalMove ||
6716 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6717 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6718 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6725 if(cl.kind != ImpossibleMove) return FALSE;
6726 cl.pieceIn = EmptySquare;
6731 cl.promoCharIn = NULLCHAR;
6732 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6733 if( cl.kind == NormalMove ||
6734 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6735 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6736 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6741 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6747 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6748 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6749 int lastLoadGameUseList = FALSE;
6750 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6751 ChessMove lastLoadGameStart = EndOfFile;
6755 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6759 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6761 /* Check if the user is playing in turn. This is complicated because we
6762 let the user "pick up" a piece before it is his turn. So the piece he
6763 tried to pick up may have been captured by the time he puts it down!
6764 Therefore we use the color the user is supposed to be playing in this
6765 test, not the color of the piece that is currently on the starting
6766 square---except in EditGame mode, where the user is playing both
6767 sides; fortunately there the capture race can't happen. (It can
6768 now happen in IcsExamining mode, but that's just too bad. The user
6769 will get a somewhat confusing message in that case.)
6774 case TwoMachinesPlay:
6778 /* We switched into a game mode where moves are not accepted,
6779 perhaps while the mouse button was down. */
6782 case MachinePlaysWhite:
6783 /* User is moving for Black */
6784 if (WhiteOnMove(currentMove)) {
6785 DisplayMoveError(_("It is White's turn"));
6790 case MachinePlaysBlack:
6791 /* User is moving for White */
6792 if (!WhiteOnMove(currentMove)) {
6793 DisplayMoveError(_("It is Black's turn"));
6798 case PlayFromGameFile:
6799 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6802 case BeginningOfGame:
6805 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6806 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6807 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6808 /* User is moving for Black */
6809 if (WhiteOnMove(currentMove)) {
6810 DisplayMoveError(_("It is White's turn"));
6814 /* User is moving for White */
6815 if (!WhiteOnMove(currentMove)) {
6816 DisplayMoveError(_("It is Black's turn"));
6822 case IcsPlayingBlack:
6823 /* User is moving for Black */
6824 if (WhiteOnMove(currentMove)) {
6825 if (!appData.premove) {
6826 DisplayMoveError(_("It is White's turn"));
6827 } else if (toX >= 0 && toY >= 0) {
6830 premoveFromX = fromX;
6831 premoveFromY = fromY;
6832 premovePromoChar = promoChar;
6834 if (appData.debugMode)
6835 fprintf(debugFP, "Got premove: fromX %d,"
6836 "fromY %d, toX %d, toY %d\n",
6837 fromX, fromY, toX, toY);
6843 case IcsPlayingWhite:
6844 /* User is moving for White */
6845 if (!WhiteOnMove(currentMove)) {
6846 if (!appData.premove) {
6847 DisplayMoveError(_("It is Black's turn"));
6848 } else if (toX >= 0 && toY >= 0) {
6851 premoveFromX = fromX;
6852 premoveFromY = fromY;
6853 premovePromoChar = promoChar;
6855 if (appData.debugMode)
6856 fprintf(debugFP, "Got premove: fromX %d,"
6857 "fromY %d, toX %d, toY %d\n",
6858 fromX, fromY, toX, toY);
6868 /* EditPosition, empty square, or different color piece;
6869 click-click move is possible */
6870 if (toX == -2 || toY == -2) {
6871 boards[0][fromY][fromX] = EmptySquare;
6872 DrawPosition(FALSE, boards[currentMove]);
6874 } else if (toX >= 0 && toY >= 0) {
6875 boards[0][toY][toX] = boards[0][fromY][fromX];
6876 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6877 if(boards[0][fromY][0] != EmptySquare) {
6878 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6879 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6882 if(fromX == BOARD_RGHT+1) {
6883 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6884 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6885 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6888 boards[0][fromY][fromX] = gatingPiece;
6889 DrawPosition(FALSE, boards[currentMove]);
6895 if(toX < 0 || toY < 0) return;
6896 pup = boards[currentMove][toY][toX];
6898 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6899 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6900 if( pup != EmptySquare ) return;
6901 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6902 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6903 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6904 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6905 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6906 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6907 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6911 /* [HGM] always test for legality, to get promotion info */
6912 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6913 fromY, fromX, toY, toX, promoChar);
6915 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6917 /* [HGM] but possibly ignore an IllegalMove result */
6918 if (appData.testLegality) {
6919 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6920 DisplayMoveError(_("Illegal move"));
6925 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6926 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6927 ClearPremoveHighlights(); // was included
6928 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6932 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6935 /* Common tail of UserMoveEvent and DropMenuEvent */
6937 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6941 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6942 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6943 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6944 if(WhiteOnMove(currentMove)) {
6945 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6947 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6951 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6952 move type in caller when we know the move is a legal promotion */
6953 if(moveType == NormalMove && promoChar)
6954 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6956 /* [HGM] <popupFix> The following if has been moved here from
6957 UserMoveEvent(). Because it seemed to belong here (why not allow
6958 piece drops in training games?), and because it can only be
6959 performed after it is known to what we promote. */
6960 if (gameMode == Training) {
6961 /* compare the move played on the board to the next move in the
6962 * game. If they match, display the move and the opponent's response.
6963 * If they don't match, display an error message.
6967 CopyBoard(testBoard, boards[currentMove]);
6968 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6970 if (CompareBoards(testBoard, boards[currentMove+1])) {
6971 ForwardInner(currentMove+1);
6973 /* Autoplay the opponent's response.
6974 * if appData.animate was TRUE when Training mode was entered,
6975 * the response will be animated.
6977 saveAnimate = appData.animate;
6978 appData.animate = animateTraining;
6979 ForwardInner(currentMove+1);
6980 appData.animate = saveAnimate;
6982 /* check for the end of the game */
6983 if (currentMove >= forwardMostMove) {
6984 gameMode = PlayFromGameFile;
6986 SetTrainingModeOff();
6987 DisplayInformation(_("End of game"));
6990 DisplayError(_("Incorrect move"), 0);
6995 /* Ok, now we know that the move is good, so we can kill
6996 the previous line in Analysis Mode */
6997 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6998 && currentMove < forwardMostMove) {
6999 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7000 else forwardMostMove = currentMove;
7005 /* If we need the chess program but it's dead, restart it */
7006 ResurrectChessProgram();
7008 /* A user move restarts a paused game*/
7012 thinkOutput[0] = NULLCHAR;
7014 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7016 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7017 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7021 if (gameMode == BeginningOfGame) {
7022 if (appData.noChessProgram) {
7023 gameMode = EditGame;
7027 gameMode = MachinePlaysBlack;
7030 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7032 if (first.sendName) {
7033 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7034 SendToProgram(buf, &first);
7041 /* Relay move to ICS or chess engine */
7042 if (appData.icsActive) {
7043 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7044 gameMode == IcsExamining) {
7045 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7046 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7048 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7050 // also send plain move, in case ICS does not understand atomic claims
7051 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7055 if (first.sendTime && (gameMode == BeginningOfGame ||
7056 gameMode == MachinePlaysWhite ||
7057 gameMode == MachinePlaysBlack)) {
7058 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7060 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7061 // [HGM] book: if program might be playing, let it use book
7062 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7063 first.maybeThinking = TRUE;
7064 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7065 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7066 SendBoard(&first, currentMove+1);
7067 if(second.analyzing) {
7068 if(!second.useSetboard) SendToProgram("undo\n", &second);
7069 SendBoard(&second, currentMove+1);
7072 SendMoveToProgram(forwardMostMove-1, &first);
7073 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7075 if (currentMove == cmailOldMove + 1) {
7076 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7080 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7084 if(appData.testLegality)
7085 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7091 if (WhiteOnMove(currentMove)) {
7092 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7094 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7098 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7103 case MachinePlaysBlack:
7104 case MachinePlaysWhite:
7105 /* disable certain menu options while machine is thinking */
7106 SetMachineThinkingEnables();
7113 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7114 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7116 if(bookHit) { // [HGM] book: simulate book reply
7117 static char bookMove[MSG_SIZ]; // a bit generous?
7119 programStats.nodes = programStats.depth = programStats.time =
7120 programStats.score = programStats.got_only_move = 0;
7121 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7123 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7124 strcat(bookMove, bookHit);
7125 HandleMachineMove(bookMove, &first);
7131 MarkByFEN(char *fen)
7134 if(!appData.markers || !appData.highlightDragging) return;
7135 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7136 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7140 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7141 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7142 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7143 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7144 if(*fen == 'T') marker[r][f++] = 0; else
7145 if(*fen == 'Y') marker[r][f++] = 1; else
7146 if(*fen == 'G') marker[r][f++] = 3; else
7147 if(*fen == 'B') marker[r][f++] = 4; else
7148 if(*fen == 'C') marker[r][f++] = 5; else
7149 if(*fen == 'M') marker[r][f++] = 6; else
7150 if(*fen == 'W') marker[r][f++] = 7; else
7151 if(*fen == 'D') marker[r][f++] = 8; else
7152 if(*fen == 'R') marker[r][f++] = 2; else {
7153 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7156 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7160 DrawPosition(TRUE, NULL);
7163 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7166 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7168 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7169 Markers *m = (Markers *) closure;
7170 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7171 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7172 || kind == WhiteCapturesEnPassant
7173 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7174 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7178 MarkTargetSquares (int clear)
7181 if(clear) { // no reason to ever suppress clearing
7182 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;
7183 if(!sum) return; // nothing was cleared,no redraw needed
7186 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7187 !appData.testLegality || gameMode == EditPosition) return;
7188 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7189 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7190 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7192 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7195 DrawPosition(FALSE, NULL);
7199 Explode (Board board, int fromX, int fromY, int toX, int toY)
7201 if(gameInfo.variant == VariantAtomic &&
7202 (board[toY][toX] != EmptySquare || // capture?
7203 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7204 board[fromY][fromX] == BlackPawn )
7206 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7212 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7215 CanPromote (ChessSquare piece, int y)
7217 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7218 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7219 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7220 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7221 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7222 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7223 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7224 return (piece == BlackPawn && y <= zone ||
7225 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7226 piece == BlackLance && y == 1 ||
7227 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7231 HoverEvent (int xPix, int yPix, int x, int y)
7233 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7235 if(!first.highlight) return;
7236 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7237 if(x == oldX && y == oldY) return; // only do something if we enter new square
7238 oldFromX = fromX; oldFromY = fromY;
7239 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) // record markings after from-change
7240 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7241 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7242 else if(oldX != x || oldY != y) {
7243 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7244 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7245 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7246 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7248 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7249 SendToProgram(buf, &first);
7252 // SetHighlights(fromX, fromY, x, y);
7256 void ReportClick(char *action, int x, int y)
7258 char buf[MSG_SIZ]; // Inform engine of what user does
7260 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7261 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7262 if(!first.highlight || gameMode == EditPosition) return;
7263 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7264 SendToProgram(buf, &first);
7268 LeftClick (ClickType clickType, int xPix, int yPix)
7271 Boolean saveAnimate;
7272 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7273 char promoChoice = NULLCHAR;
7275 static TimeMark lastClickTime, prevClickTime;
7277 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7279 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7281 if (clickType == Press) ErrorPopDown();
7282 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7284 x = EventToSquare(xPix, BOARD_WIDTH);
7285 y = EventToSquare(yPix, BOARD_HEIGHT);
7286 if (!flipView && y >= 0) {
7287 y = BOARD_HEIGHT - 1 - y;
7289 if (flipView && x >= 0) {
7290 x = BOARD_WIDTH - 1 - x;
7293 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7294 defaultPromoChoice = promoSweep;
7295 promoSweep = EmptySquare; // terminate sweep
7296 promoDefaultAltered = TRUE;
7297 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7300 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7301 if(clickType == Release) return; // ignore upclick of click-click destination
7302 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7303 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7304 if(gameInfo.holdingsWidth &&
7305 (WhiteOnMove(currentMove)
7306 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7307 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7308 // click in right holdings, for determining promotion piece
7309 ChessSquare p = boards[currentMove][y][x];
7310 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7311 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7312 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7313 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7318 DrawPosition(FALSE, boards[currentMove]);
7322 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7323 if(clickType == Press
7324 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7325 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7326 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7329 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7330 // could be static click on premove from-square: abort premove
7332 ClearPremoveHighlights();
7335 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7336 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7338 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7339 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7340 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7341 defaultPromoChoice = DefaultPromoChoice(side);
7344 autoQueen = appData.alwaysPromoteToQueen;
7348 gatingPiece = EmptySquare;
7349 if (clickType != Press) {
7350 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7351 DragPieceEnd(xPix, yPix); dragging = 0;
7352 DrawPosition(FALSE, NULL);
7356 doubleClick = FALSE;
7357 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7358 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7360 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7361 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7362 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7363 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7365 if (OKToStartUserMove(fromX, fromY)) {
7367 ReportClick("lift", x, y);
7368 MarkTargetSquares(0);
7369 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7370 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7371 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7372 promoSweep = defaultPromoChoice;
7373 selectFlag = 0; lastX = xPix; lastY = yPix;
7374 Sweep(0); // Pawn that is going to promote: preview promotion piece
7375 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7377 if (appData.highlightDragging) {
7378 SetHighlights(fromX, fromY, -1, -1);
7382 } else fromX = fromY = -1;
7388 if (clickType == Press && gameMode != EditPosition) {
7393 // ignore off-board to clicks
7394 if(y < 0 || x < 0) return;
7396 /* Check if clicking again on the same color piece */
7397 fromP = boards[currentMove][fromY][fromX];
7398 toP = boards[currentMove][y][x];
7399 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7400 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7401 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7402 WhitePawn <= toP && toP <= WhiteKing &&
7403 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7404 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7405 (BlackPawn <= fromP && fromP <= BlackKing &&
7406 BlackPawn <= toP && toP <= BlackKing &&
7407 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7408 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7409 /* Clicked again on same color piece -- changed his mind */
7410 second = (x == fromX && y == fromY);
7412 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7413 second = FALSE; // first double-click rather than scond click
7414 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7416 promoDefaultAltered = FALSE;
7417 MarkTargetSquares(1);
7418 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7419 if (appData.highlightDragging) {
7420 SetHighlights(x, y, -1, -1);
7424 if (OKToStartUserMove(x, y)) {
7425 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7426 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7427 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7428 gatingPiece = boards[currentMove][fromY][fromX];
7429 else gatingPiece = doubleClick ? fromP : EmptySquare;
7431 fromY = y; dragging = 1;
7432 ReportClick("lift", x, y);
7433 MarkTargetSquares(0);
7434 DragPieceBegin(xPix, yPix, FALSE);
7435 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7436 promoSweep = defaultPromoChoice;
7437 selectFlag = 0; lastX = xPix; lastY = yPix;
7438 Sweep(0); // Pawn that is going to promote: preview promotion piece
7442 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7445 // ignore clicks on holdings
7446 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7449 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7450 DragPieceEnd(xPix, yPix); dragging = 0;
7452 // a deferred attempt to click-click move an empty square on top of a piece
7453 boards[currentMove][y][x] = EmptySquare;
7455 DrawPosition(FALSE, boards[currentMove]);
7456 fromX = fromY = -1; clearFlag = 0;
7459 if (appData.animateDragging) {
7460 /* Undo animation damage if any */
7461 DrawPosition(FALSE, NULL);
7463 if (second || sweepSelecting) {
7464 /* Second up/down in same square; just abort move */
7465 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7466 second = sweepSelecting = 0;
7468 gatingPiece = EmptySquare;
7469 MarkTargetSquares(1);
7472 ClearPremoveHighlights();
7474 /* First upclick in same square; start click-click mode */
7475 SetHighlights(x, y, -1, -1);
7482 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7483 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7484 DisplayMessage(_("only marked squares are legal"),"");
7485 DrawPosition(TRUE, NULL);
7486 return; // ignore to-click
7489 /* we now have a different from- and (possibly off-board) to-square */
7490 /* Completed move */
7491 if(!sweepSelecting) {
7496 piece = boards[currentMove][fromY][fromX];
7498 saveAnimate = appData.animate;
7499 if (clickType == Press) {
7500 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7501 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7502 // must be Edit Position mode with empty-square selected
7503 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7504 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7507 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7510 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7511 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7513 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7514 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7515 if(appData.sweepSelect) {
7516 promoSweep = defaultPromoChoice;
7517 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7518 selectFlag = 0; lastX = xPix; lastY = yPix;
7519 Sweep(0); // Pawn that is going to promote: preview promotion piece
7521 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7522 MarkTargetSquares(1);
7524 return; // promo popup appears on up-click
7526 /* Finish clickclick move */
7527 if (appData.animate || appData.highlightLastMove) {
7528 SetHighlights(fromX, fromY, toX, toY);
7532 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7533 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7534 if (appData.animate || appData.highlightLastMove) {
7535 SetHighlights(fromX, fromY, toX, toY);
7541 // [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
7542 /* Finish drag move */
7543 if (appData.highlightLastMove) {
7544 SetHighlights(fromX, fromY, toX, toY);
7549 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7550 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7551 dragging *= 2; // flag button-less dragging if we are dragging
7552 MarkTargetSquares(1);
7553 if(x == killX && y == killY) killX = killY = -1; else {
7554 killX = x; killY = y; //remeber this square as intermediate
7555 ReportClick("put", x, y); // and inform engine
7556 ReportClick("lift", x, y);
7557 MarkTargetSquares(0);
7561 DragPieceEnd(xPix, yPix); dragging = 0;
7562 /* Don't animate move and drag both */
7563 appData.animate = FALSE;
7566 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7567 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7568 ChessSquare piece = boards[currentMove][fromY][fromX];
7569 if(gameMode == EditPosition && piece != EmptySquare &&
7570 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7573 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7574 n = PieceToNumber(piece - (int)BlackPawn);
7575 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7576 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7577 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7579 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7580 n = PieceToNumber(piece);
7581 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7582 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7583 boards[currentMove][n][BOARD_WIDTH-2]++;
7585 boards[currentMove][fromY][fromX] = EmptySquare;
7589 MarkTargetSquares(1);
7590 DrawPosition(TRUE, boards[currentMove]);
7594 // off-board moves should not be highlighted
7595 if(x < 0 || y < 0) ClearHighlights();
7596 else ReportClick("put", x, y);
7598 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7600 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7601 SetHighlights(fromX, fromY, toX, toY);
7602 MarkTargetSquares(1);
7603 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7604 // [HGM] super: promotion to captured piece selected from holdings
7605 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7606 promotionChoice = TRUE;
7607 // kludge follows to temporarily execute move on display, without promoting yet
7608 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7609 boards[currentMove][toY][toX] = p;
7610 DrawPosition(FALSE, boards[currentMove]);
7611 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7612 boards[currentMove][toY][toX] = q;
7613 DisplayMessage("Click in holdings to choose piece", "");
7616 PromotionPopUp(promoChoice);
7618 int oldMove = currentMove;
7619 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7620 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7621 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7622 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7623 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7624 DrawPosition(TRUE, boards[currentMove]);
7625 MarkTargetSquares(1);
7628 appData.animate = saveAnimate;
7629 if (appData.animate || appData.animateDragging) {
7630 /* Undo animation damage if needed */
7631 DrawPosition(FALSE, NULL);
7636 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7637 { // front-end-free part taken out of PieceMenuPopup
7638 int whichMenu; int xSqr, ySqr;
7640 if(seekGraphUp) { // [HGM] seekgraph
7641 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7642 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7646 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7647 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7648 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7649 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7650 if(action == Press) {
7651 originalFlip = flipView;
7652 flipView = !flipView; // temporarily flip board to see game from partners perspective
7653 DrawPosition(TRUE, partnerBoard);
7654 DisplayMessage(partnerStatus, "");
7656 } else if(action == Release) {
7657 flipView = originalFlip;
7658 DrawPosition(TRUE, boards[currentMove]);
7664 xSqr = EventToSquare(x, BOARD_WIDTH);
7665 ySqr = EventToSquare(y, BOARD_HEIGHT);
7666 if (action == Release) {
7667 if(pieceSweep != EmptySquare) {
7668 EditPositionMenuEvent(pieceSweep, toX, toY);
7669 pieceSweep = EmptySquare;
7670 } else UnLoadPV(); // [HGM] pv
7672 if (action != Press) return -2; // return code to be ignored
7675 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7677 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7678 if (xSqr < 0 || ySqr < 0) return -1;
7679 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7680 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7681 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7682 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7686 if(!appData.icsEngineAnalyze) return -1;
7687 case IcsPlayingWhite:
7688 case IcsPlayingBlack:
7689 if(!appData.zippyPlay) goto noZip;
7692 case MachinePlaysWhite:
7693 case MachinePlaysBlack:
7694 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7695 if (!appData.dropMenu) {
7697 return 2; // flag front-end to grab mouse events
7699 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7700 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7703 if (xSqr < 0 || ySqr < 0) return -1;
7704 if (!appData.dropMenu || appData.testLegality &&
7705 gameInfo.variant != VariantBughouse &&
7706 gameInfo.variant != VariantCrazyhouse) return -1;
7707 whichMenu = 1; // drop menu
7713 if (((*fromX = xSqr) < 0) ||
7714 ((*fromY = ySqr) < 0)) {
7715 *fromX = *fromY = -1;
7719 *fromX = BOARD_WIDTH - 1 - *fromX;
7721 *fromY = BOARD_HEIGHT - 1 - *fromY;
7727 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7729 // char * hint = lastHint;
7730 FrontEndProgramStats stats;
7732 stats.which = cps == &first ? 0 : 1;
7733 stats.depth = cpstats->depth;
7734 stats.nodes = cpstats->nodes;
7735 stats.score = cpstats->score;
7736 stats.time = cpstats->time;
7737 stats.pv = cpstats->movelist;
7738 stats.hint = lastHint;
7739 stats.an_move_index = 0;
7740 stats.an_move_count = 0;
7742 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7743 stats.hint = cpstats->move_name;
7744 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7745 stats.an_move_count = cpstats->nr_moves;
7748 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
7750 SetProgramStats( &stats );
7754 ClearEngineOutputPane (int which)
7756 static FrontEndProgramStats dummyStats;
7757 dummyStats.which = which;
7758 dummyStats.pv = "#";
7759 SetProgramStats( &dummyStats );
7762 #define MAXPLAYERS 500
7765 TourneyStandings (int display)
7767 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7768 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7769 char result, *p, *names[MAXPLAYERS];
7771 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7772 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7773 names[0] = p = strdup(appData.participants);
7774 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7776 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7778 while(result = appData.results[nr]) {
7779 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7780 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7781 wScore = bScore = 0;
7783 case '+': wScore = 2; break;
7784 case '-': bScore = 2; break;
7785 case '=': wScore = bScore = 1; break;
7787 case '*': return strdup("busy"); // tourney not finished
7795 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7796 for(w=0; w<nPlayers; w++) {
7798 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7799 ranking[w] = b; points[w] = bScore; score[b] = -2;
7801 p = malloc(nPlayers*34+1);
7802 for(w=0; w<nPlayers && w<display; w++)
7803 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7809 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7810 { // count all piece types
7812 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7813 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7814 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7817 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7818 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7819 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7820 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7821 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7822 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7827 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7829 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7830 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7832 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7833 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7834 if(myPawns == 2 && nMine == 3) // KPP
7835 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7836 if(myPawns == 1 && nMine == 2) // KP
7837 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7838 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7839 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7840 if(myPawns) return FALSE;
7841 if(pCnt[WhiteRook+side])
7842 return pCnt[BlackRook-side] ||
7843 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7844 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7845 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7846 if(pCnt[WhiteCannon+side]) {
7847 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7848 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7850 if(pCnt[WhiteKnight+side])
7851 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7856 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7858 VariantClass v = gameInfo.variant;
7860 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7861 if(v == VariantShatranj) return TRUE; // always winnable through baring
7862 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7863 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7865 if(v == VariantXiangqi) {
7866 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7868 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7869 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7870 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7871 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7872 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7873 if(stale) // we have at least one last-rank P plus perhaps C
7874 return majors // KPKX
7875 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7877 return pCnt[WhiteFerz+side] // KCAK
7878 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7879 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7880 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7882 } else if(v == VariantKnightmate) {
7883 if(nMine == 1) return FALSE;
7884 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7885 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7886 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7888 if(nMine == 1) return FALSE; // bare King
7889 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
7890 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7891 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7892 // by now we have King + 1 piece (or multiple Bishops on the same color)
7893 if(pCnt[WhiteKnight+side])
7894 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7895 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7896 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7898 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7899 if(pCnt[WhiteAlfil+side])
7900 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7901 if(pCnt[WhiteWazir+side])
7902 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7909 CompareWithRights (Board b1, Board b2)
7912 if(!CompareBoards(b1, b2)) return FALSE;
7913 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7914 /* compare castling rights */
7915 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7916 rights++; /* King lost rights, while rook still had them */
7917 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7918 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7919 rights++; /* but at least one rook lost them */
7921 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7923 if( b1[CASTLING][5] != NoRights ) {
7924 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7931 Adjudicate (ChessProgramState *cps)
7932 { // [HGM] some adjudications useful with buggy engines
7933 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7934 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7935 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7936 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7937 int k, drop, count = 0; static int bare = 1;
7938 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7939 Boolean canAdjudicate = !appData.icsActive;
7941 // most tests only when we understand the game, i.e. legality-checking on
7942 if( appData.testLegality )
7943 { /* [HGM] Some more adjudications for obstinate engines */
7944 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7945 static int moveCount = 6;
7947 char *reason = NULL;
7949 /* Count what is on board. */
7950 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7952 /* Some material-based adjudications that have to be made before stalemate test */
7953 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7954 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7955 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7956 if(canAdjudicate && appData.checkMates) {
7958 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7959 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7960 "Xboard adjudication: King destroyed", GE_XBOARD );
7965 /* Bare King in Shatranj (loses) or Losers (wins) */
7966 if( nrW == 1 || nrB == 1) {
7967 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7968 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7969 if(canAdjudicate && appData.checkMates) {
7971 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7972 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7973 "Xboard adjudication: Bare king", GE_XBOARD );
7977 if( gameInfo.variant == VariantShatranj && --bare < 0)
7979 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7980 if(canAdjudicate && appData.checkMates) {
7981 /* but only adjudicate if adjudication enabled */
7983 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7984 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7985 "Xboard adjudication: Bare king", GE_XBOARD );
7992 // don't wait for engine to announce game end if we can judge ourselves
7993 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7995 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7996 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7997 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7998 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8001 reason = "Xboard adjudication: 3rd check";
8002 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8012 reason = "Xboard adjudication: Stalemate";
8013 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8014 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8015 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8016 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8017 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8018 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8019 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8020 EP_CHECKMATE : EP_WINS);
8021 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8022 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8026 reason = "Xboard adjudication: Checkmate";
8027 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8028 if(gameInfo.variant == VariantShogi) {
8029 if(forwardMostMove > backwardMostMove
8030 && moveList[forwardMostMove-1][1] == '@'
8031 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8032 reason = "XBoard adjudication: pawn-drop mate";
8033 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8039 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8041 result = GameIsDrawn; break;
8043 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8045 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8049 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8051 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8052 GameEnds( result, reason, GE_XBOARD );
8056 /* Next absolutely insufficient mating material. */
8057 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8058 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8059 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8061 /* always flag draws, for judging claims */
8062 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8064 if(canAdjudicate && appData.materialDraws) {
8065 /* but only adjudicate them if adjudication enabled */
8066 if(engineOpponent) {
8067 SendToProgram("force\n", engineOpponent); // suppress reply
8068 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8070 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8075 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8076 if(gameInfo.variant == VariantXiangqi ?
8077 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8079 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8080 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8081 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8082 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8084 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8085 { /* if the first 3 moves do not show a tactical win, declare draw */
8086 if(engineOpponent) {
8087 SendToProgram("force\n", engineOpponent); // suppress reply
8088 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8090 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8093 } else moveCount = 6;
8096 // Repetition draws and 50-move rule can be applied independently of legality testing
8098 /* Check for rep-draws */
8100 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8101 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8102 for(k = forwardMostMove-2;
8103 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8104 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8105 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8108 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8109 /* compare castling rights */
8110 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8111 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8112 rights++; /* King lost rights, while rook still had them */
8113 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8114 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8115 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8116 rights++; /* but at least one rook lost them */
8118 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8119 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8121 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8122 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8123 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8126 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8127 && appData.drawRepeats > 1) {
8128 /* adjudicate after user-specified nr of repeats */
8129 int result = GameIsDrawn;
8130 char *details = "XBoard adjudication: repetition draw";
8131 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8132 // [HGM] xiangqi: check for forbidden perpetuals
8133 int m, ourPerpetual = 1, hisPerpetual = 1;
8134 for(m=forwardMostMove; m>k; m-=2) {
8135 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8136 ourPerpetual = 0; // the current mover did not always check
8137 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8138 hisPerpetual = 0; // the opponent did not always check
8140 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8141 ourPerpetual, hisPerpetual);
8142 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8143 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8144 details = "Xboard adjudication: perpetual checking";
8146 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8147 break; // (or we would have caught him before). Abort repetition-checking loop.
8149 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8150 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8152 details = "Xboard adjudication: repetition";
8154 } else // it must be XQ
8155 // Now check for perpetual chases
8156 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8157 hisPerpetual = PerpetualChase(k, forwardMostMove);
8158 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8159 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8160 static char resdet[MSG_SIZ];
8161 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8163 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8165 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8166 break; // Abort repetition-checking loop.
8168 // if neither of us is checking or chasing all the time, or both are, it is draw
8170 if(engineOpponent) {
8171 SendToProgram("force\n", engineOpponent); // suppress reply
8172 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8174 GameEnds( result, details, GE_XBOARD );
8177 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8178 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8182 /* Now we test for 50-move draws. Determine ply count */
8183 count = forwardMostMove;
8184 /* look for last irreversble move */
8185 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8187 /* if we hit starting position, add initial plies */
8188 if( count == backwardMostMove )
8189 count -= initialRulePlies;
8190 count = forwardMostMove - count;
8191 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8192 // adjust reversible move counter for checks in Xiangqi
8193 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8194 if(i < backwardMostMove) i = backwardMostMove;
8195 while(i <= forwardMostMove) {
8196 lastCheck = inCheck; // check evasion does not count
8197 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8198 if(inCheck || lastCheck) count--; // check does not count
8203 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8204 /* this is used to judge if draw claims are legal */
8205 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8206 if(engineOpponent) {
8207 SendToProgram("force\n", engineOpponent); // suppress reply
8208 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8210 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8214 /* if draw offer is pending, treat it as a draw claim
8215 * when draw condition present, to allow engines a way to
8216 * claim draws before making their move to avoid a race
8217 * condition occurring after their move
8219 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8221 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8222 p = "Draw claim: 50-move rule";
8223 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8224 p = "Draw claim: 3-fold repetition";
8225 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8226 p = "Draw claim: insufficient mating material";
8227 if( p != NULL && canAdjudicate) {
8228 if(engineOpponent) {
8229 SendToProgram("force\n", engineOpponent); // suppress reply
8230 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8232 GameEnds( GameIsDrawn, p, GE_XBOARD );
8237 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8238 if(engineOpponent) {
8239 SendToProgram("force\n", engineOpponent); // suppress reply
8240 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8242 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8249 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8250 { // [HGM] book: this routine intercepts moves to simulate book replies
8251 char *bookHit = NULL;
8253 //first determine if the incoming move brings opponent into his book
8254 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8255 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8256 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8257 if(bookHit != NULL && !cps->bookSuspend) {
8258 // make sure opponent is not going to reply after receiving move to book position
8259 SendToProgram("force\n", cps);
8260 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8262 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8263 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8264 // now arrange restart after book miss
8266 // after a book hit we never send 'go', and the code after the call to this routine
8267 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8268 char buf[MSG_SIZ], *move = bookHit;
8270 int fromX, fromY, toX, toY;
8274 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8275 &fromX, &fromY, &toX, &toY, &promoChar)) {
8276 (void) CoordsToAlgebraic(boards[forwardMostMove],
8277 PosFlags(forwardMostMove),
8278 fromY, fromX, toY, toX, promoChar, move);
8280 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8284 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8285 SendToProgram(buf, cps);
8286 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8287 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8288 SendToProgram("go\n", cps);
8289 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8290 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8291 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8292 SendToProgram("go\n", cps);
8293 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8295 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8299 LoadError (char *errmess, ChessProgramState *cps)
8300 { // unloads engine and switches back to -ncp mode if it was first
8301 if(cps->initDone) return FALSE;
8302 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8303 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8306 appData.noChessProgram = TRUE;
8307 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8308 gameMode = BeginningOfGame; ModeHighlight();
8311 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8312 DisplayMessage("", ""); // erase waiting message
8313 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8318 ChessProgramState *savedState;
8320 DeferredBookMove (void)
8322 if(savedState->lastPing != savedState->lastPong)
8323 ScheduleDelayedEvent(DeferredBookMove, 10);
8325 HandleMachineMove(savedMessage, savedState);
8328 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8329 static ChessProgramState *stalledEngine;
8330 static char stashedInputMove[MSG_SIZ];
8333 HandleMachineMove (char *message, ChessProgramState *cps)
8335 static char firstLeg[20];
8336 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8337 char realname[MSG_SIZ];
8338 int fromX, fromY, toX, toY;
8340 char promoChar, roar;
8342 int machineWhite, oldError;
8345 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8346 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8347 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8348 DisplayError(_("Invalid pairing from pairing engine"), 0);
8351 pairingReceived = 1;
8353 return; // Skim the pairing messages here.
8356 oldError = cps->userError; cps->userError = 0;
8358 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8360 * Kludge to ignore BEL characters
8362 while (*message == '\007') message++;
8365 * [HGM] engine debug message: ignore lines starting with '#' character
8367 if(cps->debug && *message == '#') return;
8370 * Look for book output
8372 if (cps == &first && bookRequested) {
8373 if (message[0] == '\t' || message[0] == ' ') {
8374 /* Part of the book output is here; append it */
8375 strcat(bookOutput, message);
8376 strcat(bookOutput, " \n");
8378 } else if (bookOutput[0] != NULLCHAR) {
8379 /* All of book output has arrived; display it */
8380 char *p = bookOutput;
8381 while (*p != NULLCHAR) {
8382 if (*p == '\t') *p = ' ';
8385 DisplayInformation(bookOutput);
8386 bookRequested = FALSE;
8387 /* Fall through to parse the current output */
8392 * Look for machine move.
8394 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8395 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8397 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8398 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8399 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8400 stalledEngine = cps;
8401 if(appData.ponderNextMove) { // bring opponent out of ponder
8402 if(gameMode == TwoMachinesPlay) {
8403 if(cps->other->pause)
8404 PauseEngine(cps->other);
8406 SendToProgram("easy\n", cps->other);
8413 /* This method is only useful on engines that support ping */
8414 if (cps->lastPing != cps->lastPong) {
8415 if (gameMode == BeginningOfGame) {
8416 /* Extra move from before last new; ignore */
8417 if (appData.debugMode) {
8418 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8421 if (appData.debugMode) {
8422 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8423 cps->which, gameMode);
8426 SendToProgram("undo\n", cps);
8432 case BeginningOfGame:
8433 /* Extra move from before last reset; ignore */
8434 if (appData.debugMode) {
8435 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8442 /* Extra move after we tried to stop. The mode test is
8443 not a reliable way of detecting this problem, but it's
8444 the best we can do on engines that don't support ping.
8446 if (appData.debugMode) {
8447 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8448 cps->which, gameMode);
8450 SendToProgram("undo\n", cps);
8453 case MachinePlaysWhite:
8454 case IcsPlayingWhite:
8455 machineWhite = TRUE;
8458 case MachinePlaysBlack:
8459 case IcsPlayingBlack:
8460 machineWhite = FALSE;
8463 case TwoMachinesPlay:
8464 machineWhite = (cps->twoMachinesColor[0] == 'w');
8467 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8468 if (appData.debugMode) {
8470 "Ignoring move out of turn by %s, gameMode %d"
8471 ", forwardMost %d\n",
8472 cps->which, gameMode, forwardMostMove);
8477 if(cps->alphaRank) AlphaRank(machineMove, 4);
8479 // [HGM] lion: (some very limited) support for Alien protocol
8481 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8482 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8484 } else if(firstLeg[0]) { // there was a previous leg;
8485 // only support case where same piece makes two step (and don't even test that!)
8486 char buf[20], *p = machineMove+1, *q = buf+1, f;
8487 safeStrCpy(buf, machineMove, 20);
8488 while(isdigit(*q)) q++; // find start of to-square
8489 safeStrCpy(machineMove, firstLeg, 20);
8490 while(isdigit(*p)) p++;
8491 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8492 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8493 firstLeg[0] = NULLCHAR;
8496 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8497 &fromX, &fromY, &toX, &toY, &promoChar)) {
8498 /* Machine move could not be parsed; ignore it. */
8499 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8500 machineMove, _(cps->which));
8501 DisplayMoveError(buf1);
8502 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8503 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8504 if (gameMode == TwoMachinesPlay) {
8505 GameEnds(machineWhite ? BlackWins : WhiteWins,
8511 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8512 /* So we have to redo legality test with true e.p. status here, */
8513 /* to make sure an illegal e.p. capture does not slip through, */
8514 /* to cause a forfeit on a justified illegal-move complaint */
8515 /* of the opponent. */
8516 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8518 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8519 fromY, fromX, toY, toX, promoChar);
8520 if(moveType == IllegalMove) {
8521 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8522 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8523 GameEnds(machineWhite ? BlackWins : WhiteWins,
8526 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8527 /* [HGM] Kludge to handle engines that send FRC-style castling
8528 when they shouldn't (like TSCP-Gothic) */
8530 case WhiteASideCastleFR:
8531 case BlackASideCastleFR:
8533 currentMoveString[2]++;
8535 case WhiteHSideCastleFR:
8536 case BlackHSideCastleFR:
8538 currentMoveString[2]--;
8540 default: ; // nothing to do, but suppresses warning of pedantic compilers
8543 hintRequested = FALSE;
8544 lastHint[0] = NULLCHAR;
8545 bookRequested = FALSE;
8546 /* Program may be pondering now */
8547 cps->maybeThinking = TRUE;
8548 if (cps->sendTime == 2) cps->sendTime = 1;
8549 if (cps->offeredDraw) cps->offeredDraw--;
8551 /* [AS] Save move info*/
8552 pvInfoList[ forwardMostMove ].score = programStats.score;
8553 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8554 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8556 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8558 /* Test suites abort the 'game' after one move */
8559 if(*appData.finger) {
8561 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8562 if(!f) f = fopen(appData.finger, "w");
8563 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8564 else { DisplayFatalError("Bad output file", errno, 0); return; }
8566 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8569 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8570 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8573 while( count < adjudicateLossPlies ) {
8574 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8577 score = -score; /* Flip score for winning side */
8580 if( score > adjudicateLossThreshold ) {
8587 if( count >= adjudicateLossPlies ) {
8588 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8590 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8591 "Xboard adjudication",
8598 if(Adjudicate(cps)) {
8599 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8600 return; // [HGM] adjudicate: for all automatic game ends
8604 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8606 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8607 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8609 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8611 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8613 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8614 char buf[3*MSG_SIZ];
8616 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8617 programStats.score / 100.,
8619 programStats.time / 100.,
8620 (unsigned int)programStats.nodes,
8621 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8622 programStats.movelist);
8624 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8629 /* [AS] Clear stats for next move */
8630 ClearProgramStats();
8631 thinkOutput[0] = NULLCHAR;
8632 hiddenThinkOutputState = 0;
8635 if (gameMode == TwoMachinesPlay) {
8636 /* [HGM] relaying draw offers moved to after reception of move */
8637 /* and interpreting offer as claim if it brings draw condition */
8638 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8639 SendToProgram("draw\n", cps->other);
8641 if (cps->other->sendTime) {
8642 SendTimeRemaining(cps->other,
8643 cps->other->twoMachinesColor[0] == 'w');
8645 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8646 if (firstMove && !bookHit) {
8648 if (cps->other->useColors) {
8649 SendToProgram(cps->other->twoMachinesColor, cps->other);
8651 SendToProgram("go\n", cps->other);
8653 cps->other->maybeThinking = TRUE;
8656 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8658 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8660 if (!pausing && appData.ringBellAfterMoves) {
8661 if(!roar) RingBell();
8665 * Reenable menu items that were disabled while
8666 * machine was thinking
8668 if (gameMode != TwoMachinesPlay)
8669 SetUserThinkingEnables();
8671 // [HGM] book: after book hit opponent has received move and is now in force mode
8672 // force the book reply into it, and then fake that it outputted this move by jumping
8673 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8675 static char bookMove[MSG_SIZ]; // a bit generous?
8677 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8678 strcat(bookMove, bookHit);
8681 programStats.nodes = programStats.depth = programStats.time =
8682 programStats.score = programStats.got_only_move = 0;
8683 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8685 if(cps->lastPing != cps->lastPong) {
8686 savedMessage = message; // args for deferred call
8688 ScheduleDelayedEvent(DeferredBookMove, 10);
8697 /* Set special modes for chess engines. Later something general
8698 * could be added here; for now there is just one kludge feature,
8699 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8700 * when "xboard" is given as an interactive command.
8702 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8703 cps->useSigint = FALSE;
8704 cps->useSigterm = FALSE;
8706 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8707 ParseFeatures(message+8, cps);
8708 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8711 if (!strncmp(message, "setup ", 6) &&
8712 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8713 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8714 ) { // [HGM] allow first engine to define opening position
8715 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8716 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8718 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8719 if(startedFromSetupPosition) return;
8720 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8722 while(message[s] && message[s++] != ' ');
8723 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8724 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8725 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8726 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8727 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8728 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8731 ParseFEN(boards[0], &dummy, message+s, FALSE);
8732 DrawPosition(TRUE, boards[0]);
8733 startedFromSetupPosition = TRUE;
8736 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8737 * want this, I was asked to put it in, and obliged.
8739 if (!strncmp(message, "setboard ", 9)) {
8740 Board initial_position;
8742 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8744 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8745 DisplayError(_("Bad FEN received from engine"), 0);
8749 CopyBoard(boards[0], initial_position);
8750 initialRulePlies = FENrulePlies;
8751 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8752 else gameMode = MachinePlaysBlack;
8753 DrawPosition(FALSE, boards[currentMove]);
8759 * Look for communication commands
8761 if (!strncmp(message, "telluser ", 9)) {
8762 if(message[9] == '\\' && message[10] == '\\')
8763 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8765 DisplayNote(message + 9);
8768 if (!strncmp(message, "tellusererror ", 14)) {
8770 if(message[14] == '\\' && message[15] == '\\')
8771 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8773 DisplayError(message + 14, 0);
8776 if (!strncmp(message, "tellopponent ", 13)) {
8777 if (appData.icsActive) {
8779 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8783 DisplayNote(message + 13);
8787 if (!strncmp(message, "tellothers ", 11)) {
8788 if (appData.icsActive) {
8790 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8793 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8796 if (!strncmp(message, "tellall ", 8)) {
8797 if (appData.icsActive) {
8799 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8803 DisplayNote(message + 8);
8807 if (strncmp(message, "warning", 7) == 0) {
8808 /* Undocumented feature, use tellusererror in new code */
8809 DisplayError(message, 0);
8812 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8813 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8814 strcat(realname, " query");
8815 AskQuestion(realname, buf2, buf1, cps->pr);
8818 /* Commands from the engine directly to ICS. We don't allow these to be
8819 * sent until we are logged on. Crafty kibitzes have been known to
8820 * interfere with the login process.
8823 if (!strncmp(message, "tellics ", 8)) {
8824 SendToICS(message + 8);
8828 if (!strncmp(message, "tellicsnoalias ", 15)) {
8829 SendToICS(ics_prefix);
8830 SendToICS(message + 15);
8834 /* The following are for backward compatibility only */
8835 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8836 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8837 SendToICS(ics_prefix);
8843 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8844 if(initPing == cps->lastPong) {
8845 if(gameInfo.variant == VariantUnknown) {
8846 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
8847 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
8848 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8854 if(!strncmp(message, "highlight ", 10)) {
8855 if(appData.testLegality && appData.markers) return;
8856 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8859 if(!strncmp(message, "click ", 6)) {
8860 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8861 if(appData.testLegality || !appData.oneClick) return;
8862 sscanf(message+6, "%c%d%c", &f, &y, &c);
8863 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8864 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8865 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8866 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8867 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8868 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8869 LeftClick(Release, lastLeftX, lastLeftY);
8870 controlKey = (c == ',');
8871 LeftClick(Press, x, y);
8872 LeftClick(Release, x, y);
8873 first.highlight = f;
8877 * If the move is illegal, cancel it and redraw the board.
8878 * Also deal with other error cases. Matching is rather loose
8879 * here to accommodate engines written before the spec.
8881 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8882 strncmp(message, "Error", 5) == 0) {
8883 if (StrStr(message, "name") ||
8884 StrStr(message, "rating") || StrStr(message, "?") ||
8885 StrStr(message, "result") || StrStr(message, "board") ||
8886 StrStr(message, "bk") || StrStr(message, "computer") ||
8887 StrStr(message, "variant") || StrStr(message, "hint") ||
8888 StrStr(message, "random") || StrStr(message, "depth") ||
8889 StrStr(message, "accepted")) {
8892 if (StrStr(message, "protover")) {
8893 /* Program is responding to input, so it's apparently done
8894 initializing, and this error message indicates it is
8895 protocol version 1. So we don't need to wait any longer
8896 for it to initialize and send feature commands. */
8897 FeatureDone(cps, 1);
8898 cps->protocolVersion = 1;
8901 cps->maybeThinking = FALSE;
8903 if (StrStr(message, "draw")) {
8904 /* Program doesn't have "draw" command */
8905 cps->sendDrawOffers = 0;
8908 if (cps->sendTime != 1 &&
8909 (StrStr(message, "time") || StrStr(message, "otim"))) {
8910 /* Program apparently doesn't have "time" or "otim" command */
8914 if (StrStr(message, "analyze")) {
8915 cps->analysisSupport = FALSE;
8916 cps->analyzing = FALSE;
8917 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8918 EditGameEvent(); // [HGM] try to preserve loaded game
8919 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8920 DisplayError(buf2, 0);
8923 if (StrStr(message, "(no matching move)st")) {
8924 /* Special kludge for GNU Chess 4 only */
8925 cps->stKludge = TRUE;
8926 SendTimeControl(cps, movesPerSession, timeControl,
8927 timeIncrement, appData.searchDepth,
8931 if (StrStr(message, "(no matching move)sd")) {
8932 /* Special kludge for GNU Chess 4 only */
8933 cps->sdKludge = TRUE;
8934 SendTimeControl(cps, movesPerSession, timeControl,
8935 timeIncrement, appData.searchDepth,
8939 if (!StrStr(message, "llegal")) {
8942 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8943 gameMode == IcsIdle) return;
8944 if (forwardMostMove <= backwardMostMove) return;
8945 if (pausing) PauseEvent();
8946 if(appData.forceIllegal) {
8947 // [HGM] illegal: machine refused move; force position after move into it
8948 SendToProgram("force\n", cps);
8949 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8950 // we have a real problem now, as SendBoard will use the a2a3 kludge
8951 // when black is to move, while there might be nothing on a2 or black
8952 // might already have the move. So send the board as if white has the move.
8953 // But first we must change the stm of the engine, as it refused the last move
8954 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8955 if(WhiteOnMove(forwardMostMove)) {
8956 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8957 SendBoard(cps, forwardMostMove); // kludgeless board
8959 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8960 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8961 SendBoard(cps, forwardMostMove+1); // kludgeless board
8963 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8964 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8965 gameMode == TwoMachinesPlay)
8966 SendToProgram("go\n", cps);
8969 if (gameMode == PlayFromGameFile) {
8970 /* Stop reading this game file */
8971 gameMode = EditGame;
8974 /* [HGM] illegal-move claim should forfeit game when Xboard */
8975 /* only passes fully legal moves */
8976 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8977 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8978 "False illegal-move claim", GE_XBOARD );
8979 return; // do not take back move we tested as valid
8981 currentMove = forwardMostMove-1;
8982 DisplayMove(currentMove-1); /* before DisplayMoveError */
8983 SwitchClocks(forwardMostMove-1); // [HGM] race
8984 DisplayBothClocks();
8985 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8986 parseList[currentMove], _(cps->which));
8987 DisplayMoveError(buf1);
8988 DrawPosition(FALSE, boards[currentMove]);
8990 SetUserThinkingEnables();
8993 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8994 /* Program has a broken "time" command that
8995 outputs a string not ending in newline.
9001 * If chess program startup fails, exit with an error message.
9002 * Attempts to recover here are futile. [HGM] Well, we try anyway
9004 if ((StrStr(message, "unknown host") != NULL)
9005 || (StrStr(message, "No remote directory") != NULL)
9006 || (StrStr(message, "not found") != NULL)
9007 || (StrStr(message, "No such file") != NULL)
9008 || (StrStr(message, "can't alloc") != NULL)
9009 || (StrStr(message, "Permission denied") != NULL)) {
9011 cps->maybeThinking = FALSE;
9012 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9013 _(cps->which), cps->program, cps->host, message);
9014 RemoveInputSource(cps->isr);
9015 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9016 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9017 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9023 * Look for hint output
9025 if (sscanf(message, "Hint: %s", buf1) == 1) {
9026 if (cps == &first && hintRequested) {
9027 hintRequested = FALSE;
9028 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9029 &fromX, &fromY, &toX, &toY, &promoChar)) {
9030 (void) CoordsToAlgebraic(boards[forwardMostMove],
9031 PosFlags(forwardMostMove),
9032 fromY, fromX, toY, toX, promoChar, buf1);
9033 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9034 DisplayInformation(buf2);
9036 /* Hint move could not be parsed!? */
9037 snprintf(buf2, sizeof(buf2),
9038 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9039 buf1, _(cps->which));
9040 DisplayError(buf2, 0);
9043 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9049 * Ignore other messages if game is not in progress
9051 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9052 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9055 * look for win, lose, draw, or draw offer
9057 if (strncmp(message, "1-0", 3) == 0) {
9058 char *p, *q, *r = "";
9059 p = strchr(message, '{');
9067 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9069 } else if (strncmp(message, "0-1", 3) == 0) {
9070 char *p, *q, *r = "";
9071 p = strchr(message, '{');
9079 /* Kludge for Arasan 4.1 bug */
9080 if (strcmp(r, "Black resigns") == 0) {
9081 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9084 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9086 } else if (strncmp(message, "1/2", 3) == 0) {
9087 char *p, *q, *r = "";
9088 p = strchr(message, '{');
9097 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9100 } else if (strncmp(message, "White resign", 12) == 0) {
9101 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9103 } else if (strncmp(message, "Black resign", 12) == 0) {
9104 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9106 } else if (strncmp(message, "White matches", 13) == 0 ||
9107 strncmp(message, "Black matches", 13) == 0 ) {
9108 /* [HGM] ignore GNUShogi noises */
9110 } else if (strncmp(message, "White", 5) == 0 &&
9111 message[5] != '(' &&
9112 StrStr(message, "Black") == NULL) {
9113 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9115 } else if (strncmp(message, "Black", 5) == 0 &&
9116 message[5] != '(') {
9117 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9119 } else if (strcmp(message, "resign") == 0 ||
9120 strcmp(message, "computer resigns") == 0) {
9122 case MachinePlaysBlack:
9123 case IcsPlayingBlack:
9124 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9126 case MachinePlaysWhite:
9127 case IcsPlayingWhite:
9128 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9130 case TwoMachinesPlay:
9131 if (cps->twoMachinesColor[0] == 'w')
9132 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9134 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9141 } else if (strncmp(message, "opponent mates", 14) == 0) {
9143 case MachinePlaysBlack:
9144 case IcsPlayingBlack:
9145 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9147 case MachinePlaysWhite:
9148 case IcsPlayingWhite:
9149 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9151 case TwoMachinesPlay:
9152 if (cps->twoMachinesColor[0] == 'w')
9153 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9155 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9162 } else if (strncmp(message, "computer mates", 14) == 0) {
9164 case MachinePlaysBlack:
9165 case IcsPlayingBlack:
9166 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9168 case MachinePlaysWhite:
9169 case IcsPlayingWhite:
9170 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9172 case TwoMachinesPlay:
9173 if (cps->twoMachinesColor[0] == 'w')
9174 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9176 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9183 } else if (strncmp(message, "checkmate", 9) == 0) {
9184 if (WhiteOnMove(forwardMostMove)) {
9185 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9187 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9190 } else if (strstr(message, "Draw") != NULL ||
9191 strstr(message, "game is a draw") != NULL) {
9192 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9194 } else if (strstr(message, "offer") != NULL &&
9195 strstr(message, "draw") != NULL) {
9197 if (appData.zippyPlay && first.initDone) {
9198 /* Relay offer to ICS */
9199 SendToICS(ics_prefix);
9200 SendToICS("draw\n");
9203 cps->offeredDraw = 2; /* valid until this engine moves twice */
9204 if (gameMode == TwoMachinesPlay) {
9205 if (cps->other->offeredDraw) {
9206 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9207 /* [HGM] in two-machine mode we delay relaying draw offer */
9208 /* until after we also have move, to see if it is really claim */
9210 } else if (gameMode == MachinePlaysWhite ||
9211 gameMode == MachinePlaysBlack) {
9212 if (userOfferedDraw) {
9213 DisplayInformation(_("Machine accepts your draw offer"));
9214 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9216 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9223 * Look for thinking output
9225 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9226 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9228 int plylev, mvleft, mvtot, curscore, time;
9229 char mvname[MOVE_LEN];
9233 int prefixHint = FALSE;
9234 mvname[0] = NULLCHAR;
9237 case MachinePlaysBlack:
9238 case IcsPlayingBlack:
9239 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9241 case MachinePlaysWhite:
9242 case IcsPlayingWhite:
9243 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9248 case IcsObserving: /* [DM] icsEngineAnalyze */
9249 if (!appData.icsEngineAnalyze) ignore = TRUE;
9251 case TwoMachinesPlay:
9252 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9262 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9264 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9265 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9267 if (plyext != ' ' && plyext != '\t') {
9271 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9272 if( cps->scoreIsAbsolute &&
9273 ( gameMode == MachinePlaysBlack ||
9274 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9275 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9276 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9277 !WhiteOnMove(currentMove)
9280 curscore = -curscore;
9283 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9285 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9288 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9289 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9290 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9291 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9292 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9293 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9297 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9298 DisplayError(_("failed writing PV"), 0);
9301 tempStats.depth = plylev;
9302 tempStats.nodes = nodes;
9303 tempStats.time = time;
9304 tempStats.score = curscore;
9305 tempStats.got_only_move = 0;
9307 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9310 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9311 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9312 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9313 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9314 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9315 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9316 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9317 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9320 /* Buffer overflow protection */
9321 if (pv[0] != NULLCHAR) {
9322 if (strlen(pv) >= sizeof(tempStats.movelist)
9323 && appData.debugMode) {
9325 "PV is too long; using the first %u bytes.\n",
9326 (unsigned) sizeof(tempStats.movelist) - 1);
9329 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9331 sprintf(tempStats.movelist, " no PV\n");
9334 if (tempStats.seen_stat) {
9335 tempStats.ok_to_send = 1;
9338 if (strchr(tempStats.movelist, '(') != NULL) {
9339 tempStats.line_is_book = 1;
9340 tempStats.nr_moves = 0;
9341 tempStats.moves_left = 0;
9343 tempStats.line_is_book = 0;
9346 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9347 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9349 SendProgramStatsToFrontend( cps, &tempStats );
9352 [AS] Protect the thinkOutput buffer from overflow... this
9353 is only useful if buf1 hasn't overflowed first!
9355 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9357 (gameMode == TwoMachinesPlay ?
9358 ToUpper(cps->twoMachinesColor[0]) : ' '),
9359 ((double) curscore) / 100.0,
9360 prefixHint ? lastHint : "",
9361 prefixHint ? " " : "" );
9363 if( buf1[0] != NULLCHAR ) {
9364 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9366 if( strlen(pv) > max_len ) {
9367 if( appData.debugMode) {
9368 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9370 pv[max_len+1] = '\0';
9373 strcat( thinkOutput, pv);
9376 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9377 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9378 DisplayMove(currentMove - 1);
9382 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9383 /* crafty (9.25+) says "(only move) <move>"
9384 * if there is only 1 legal move
9386 sscanf(p, "(only move) %s", buf1);
9387 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9388 sprintf(programStats.movelist, "%s (only move)", buf1);
9389 programStats.depth = 1;
9390 programStats.nr_moves = 1;
9391 programStats.moves_left = 1;
9392 programStats.nodes = 1;
9393 programStats.time = 1;
9394 programStats.got_only_move = 1;
9396 /* Not really, but we also use this member to
9397 mean "line isn't going to change" (Crafty
9398 isn't searching, so stats won't change) */
9399 programStats.line_is_book = 1;
9401 SendProgramStatsToFrontend( cps, &programStats );
9403 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9404 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9405 DisplayMove(currentMove - 1);
9408 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9409 &time, &nodes, &plylev, &mvleft,
9410 &mvtot, mvname) >= 5) {
9411 /* The stat01: line is from Crafty (9.29+) in response
9412 to the "." command */
9413 programStats.seen_stat = 1;
9414 cps->maybeThinking = TRUE;
9416 if (programStats.got_only_move || !appData.periodicUpdates)
9419 programStats.depth = plylev;
9420 programStats.time = time;
9421 programStats.nodes = nodes;
9422 programStats.moves_left = mvleft;
9423 programStats.nr_moves = mvtot;
9424 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9425 programStats.ok_to_send = 1;
9426 programStats.movelist[0] = '\0';
9428 SendProgramStatsToFrontend( cps, &programStats );
9432 } else if (strncmp(message,"++",2) == 0) {
9433 /* Crafty 9.29+ outputs this */
9434 programStats.got_fail = 2;
9437 } else if (strncmp(message,"--",2) == 0) {
9438 /* Crafty 9.29+ outputs this */
9439 programStats.got_fail = 1;
9442 } else if (thinkOutput[0] != NULLCHAR &&
9443 strncmp(message, " ", 4) == 0) {
9444 unsigned message_len;
9447 while (*p && *p == ' ') p++;
9449 message_len = strlen( p );
9451 /* [AS] Avoid buffer overflow */
9452 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9453 strcat(thinkOutput, " ");
9454 strcat(thinkOutput, p);
9457 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9458 strcat(programStats.movelist, " ");
9459 strcat(programStats.movelist, p);
9462 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9463 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9464 DisplayMove(currentMove - 1);
9472 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9473 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9475 ChessProgramStats cpstats;
9477 if (plyext != ' ' && plyext != '\t') {
9481 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9482 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9483 curscore = -curscore;
9486 cpstats.depth = plylev;
9487 cpstats.nodes = nodes;
9488 cpstats.time = time;
9489 cpstats.score = curscore;
9490 cpstats.got_only_move = 0;
9491 cpstats.movelist[0] = '\0';
9493 if (buf1[0] != NULLCHAR) {
9494 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9497 cpstats.ok_to_send = 0;
9498 cpstats.line_is_book = 0;
9499 cpstats.nr_moves = 0;
9500 cpstats.moves_left = 0;
9502 SendProgramStatsToFrontend( cps, &cpstats );
9509 /* Parse a game score from the character string "game", and
9510 record it as the history of the current game. The game
9511 score is NOT assumed to start from the standard position.
9512 The display is not updated in any way.
9515 ParseGameHistory (char *game)
9518 int fromX, fromY, toX, toY, boardIndex;
9523 if (appData.debugMode)
9524 fprintf(debugFP, "Parsing game history: %s\n", game);
9526 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9527 gameInfo.site = StrSave(appData.icsHost);
9528 gameInfo.date = PGNDate();
9529 gameInfo.round = StrSave("-");
9531 /* Parse out names of players */
9532 while (*game == ' ') game++;
9534 while (*game != ' ') *p++ = *game++;
9536 gameInfo.white = StrSave(buf);
9537 while (*game == ' ') game++;
9539 while (*game != ' ' && *game != '\n') *p++ = *game++;
9541 gameInfo.black = StrSave(buf);
9544 boardIndex = blackPlaysFirst ? 1 : 0;
9547 yyboardindex = boardIndex;
9548 moveType = (ChessMove) Myylex();
9550 case IllegalMove: /* maybe suicide chess, etc. */
9551 if (appData.debugMode) {
9552 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9553 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9554 setbuf(debugFP, NULL);
9556 case WhitePromotion:
9557 case BlackPromotion:
9558 case WhiteNonPromotion:
9559 case BlackNonPromotion:
9562 case WhiteCapturesEnPassant:
9563 case BlackCapturesEnPassant:
9564 case WhiteKingSideCastle:
9565 case WhiteQueenSideCastle:
9566 case BlackKingSideCastle:
9567 case BlackQueenSideCastle:
9568 case WhiteKingSideCastleWild:
9569 case WhiteQueenSideCastleWild:
9570 case BlackKingSideCastleWild:
9571 case BlackQueenSideCastleWild:
9573 case WhiteHSideCastleFR:
9574 case WhiteASideCastleFR:
9575 case BlackHSideCastleFR:
9576 case BlackASideCastleFR:
9578 fromX = currentMoveString[0] - AAA;
9579 fromY = currentMoveString[1] - ONE;
9580 toX = currentMoveString[2] - AAA;
9581 toY = currentMoveString[3] - ONE;
9582 promoChar = currentMoveString[4];
9586 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9587 fromX = moveType == WhiteDrop ?
9588 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9589 (int) CharToPiece(ToLower(currentMoveString[0]));
9591 toX = currentMoveString[2] - AAA;
9592 toY = currentMoveString[3] - ONE;
9593 promoChar = NULLCHAR;
9597 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9598 if (appData.debugMode) {
9599 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9600 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9601 setbuf(debugFP, NULL);
9603 DisplayError(buf, 0);
9605 case ImpossibleMove:
9607 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9608 if (appData.debugMode) {
9609 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9610 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9611 setbuf(debugFP, NULL);
9613 DisplayError(buf, 0);
9616 if (boardIndex < backwardMostMove) {
9617 /* Oops, gap. How did that happen? */
9618 DisplayError(_("Gap in move list"), 0);
9621 backwardMostMove = blackPlaysFirst ? 1 : 0;
9622 if (boardIndex > forwardMostMove) {
9623 forwardMostMove = boardIndex;
9627 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9628 strcat(parseList[boardIndex-1], " ");
9629 strcat(parseList[boardIndex-1], yy_text);
9641 case GameUnfinished:
9642 if (gameMode == IcsExamining) {
9643 if (boardIndex < backwardMostMove) {
9644 /* Oops, gap. How did that happen? */
9647 backwardMostMove = blackPlaysFirst ? 1 : 0;
9650 gameInfo.result = moveType;
9651 p = strchr(yy_text, '{');
9652 if (p == NULL) p = strchr(yy_text, '(');
9655 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9657 q = strchr(p, *p == '{' ? '}' : ')');
9658 if (q != NULL) *q = NULLCHAR;
9661 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9662 gameInfo.resultDetails = StrSave(p);
9665 if (boardIndex >= forwardMostMove &&
9666 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9667 backwardMostMove = blackPlaysFirst ? 1 : 0;
9670 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9671 fromY, fromX, toY, toX, promoChar,
9672 parseList[boardIndex]);
9673 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9674 /* currentMoveString is set as a side-effect of yylex */
9675 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9676 strcat(moveList[boardIndex], "\n");
9678 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9679 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9685 if(gameInfo.variant != VariantShogi)
9686 strcat(parseList[boardIndex - 1], "+");
9690 strcat(parseList[boardIndex - 1], "#");
9697 /* Apply a move to the given board */
9699 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9701 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9702 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9704 /* [HGM] compute & store e.p. status and castling rights for new position */
9705 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9707 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9708 oldEP = (signed char)board[EP_STATUS];
9709 board[EP_STATUS] = EP_NONE;
9711 if (fromY == DROP_RANK) {
9713 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9714 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9717 piece = board[toY][toX] = (ChessSquare) fromX;
9722 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9723 victim = board[killY][killX],
9724 board[killY][killX] = EmptySquare,
9725 board[EP_STATUS] = EP_CAPTURE;
9727 if( board[toY][toX] != EmptySquare ) {
9728 board[EP_STATUS] = EP_CAPTURE;
9729 if( (fromX != toX || fromY != toY) && // not igui!
9730 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9731 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9732 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9736 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9737 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9738 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9740 if( board[fromY][fromX] == WhitePawn ) {
9741 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9742 board[EP_STATUS] = EP_PAWN_MOVE;
9744 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9745 gameInfo.variant != VariantBerolina || toX < fromX)
9746 board[EP_STATUS] = toX | berolina;
9747 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9748 gameInfo.variant != VariantBerolina || toX > fromX)
9749 board[EP_STATUS] = toX;
9752 if( board[fromY][fromX] == BlackPawn ) {
9753 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9754 board[EP_STATUS] = EP_PAWN_MOVE;
9755 if( toY-fromY== -2) {
9756 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9757 gameInfo.variant != VariantBerolina || toX < fromX)
9758 board[EP_STATUS] = toX | berolina;
9759 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9760 gameInfo.variant != VariantBerolina || toX > fromX)
9761 board[EP_STATUS] = toX;
9765 for(i=0; i<nrCastlingRights; i++) {
9766 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9767 board[CASTLING][i] == toX && castlingRank[i] == toY
9768 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9771 if(gameInfo.variant == VariantSChess) { // update virginity
9772 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9773 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9774 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9775 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9778 if (fromX == toX && fromY == toY) return;
9780 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9781 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9782 if(gameInfo.variant == VariantKnightmate)
9783 king += (int) WhiteUnicorn - (int) WhiteKing;
9785 /* Code added by Tord: */
9786 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9787 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9788 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9789 board[fromY][fromX] = EmptySquare;
9790 board[toY][toX] = EmptySquare;
9791 if((toX > fromX) != (piece == WhiteRook)) {
9792 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9794 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9796 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9797 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9798 board[fromY][fromX] = EmptySquare;
9799 board[toY][toX] = EmptySquare;
9800 if((toX > fromX) != (piece == BlackRook)) {
9801 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9803 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9805 /* End of code added by Tord */
9807 } else if (board[fromY][fromX] == king
9808 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9809 && toY == fromY && toX > fromX+1) {
9810 board[fromY][fromX] = EmptySquare;
9811 board[toY][toX] = king;
9812 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9813 board[fromY][BOARD_RGHT-1] = EmptySquare;
9814 } else if (board[fromY][fromX] == king
9815 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9816 && toY == fromY && toX < fromX-1) {
9817 board[fromY][fromX] = EmptySquare;
9818 board[toY][toX] = king;
9819 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9820 board[fromY][BOARD_LEFT] = EmptySquare;
9821 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9822 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9823 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9825 /* white pawn promotion */
9826 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9827 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9828 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9829 board[fromY][fromX] = EmptySquare;
9830 } else if ((fromY >= BOARD_HEIGHT>>1)
9831 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9833 && gameInfo.variant != VariantXiangqi
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 captured = board[toY - 1][toX];
9840 board[toY - 1][toX] = EmptySquare;
9841 } else if ((fromY == BOARD_HEIGHT-4)
9843 && gameInfo.variant == VariantBerolina
9844 && (board[fromY][fromX] == WhitePawn)
9845 && (board[toY][toX] == EmptySquare)) {
9846 board[fromY][fromX] = EmptySquare;
9847 board[toY][toX] = WhitePawn;
9848 if(oldEP & EP_BEROLIN_A) {
9849 captured = board[fromY][fromX-1];
9850 board[fromY][fromX-1] = EmptySquare;
9851 }else{ captured = board[fromY][fromX+1];
9852 board[fromY][fromX+1] = EmptySquare;
9854 } else if (board[fromY][fromX] == king
9855 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9856 && toY == fromY && toX > fromX+1) {
9857 board[fromY][fromX] = EmptySquare;
9858 board[toY][toX] = king;
9859 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9860 board[fromY][BOARD_RGHT-1] = EmptySquare;
9861 } else if (board[fromY][fromX] == king
9862 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9863 && toY == fromY && toX < fromX-1) {
9864 board[fromY][fromX] = EmptySquare;
9865 board[toY][toX] = king;
9866 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9867 board[fromY][BOARD_LEFT] = EmptySquare;
9868 } else if (fromY == 7 && fromX == 3
9869 && board[fromY][fromX] == BlackKing
9870 && toY == 7 && toX == 5) {
9871 board[fromY][fromX] = EmptySquare;
9872 board[toY][toX] = BlackKing;
9873 board[fromY][7] = EmptySquare;
9874 board[toY][4] = BlackRook;
9875 } else if (fromY == 7 && fromX == 3
9876 && board[fromY][fromX] == BlackKing
9877 && toY == 7 && toX == 1) {
9878 board[fromY][fromX] = EmptySquare;
9879 board[toY][toX] = BlackKing;
9880 board[fromY][0] = EmptySquare;
9881 board[toY][2] = BlackRook;
9882 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9883 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9884 && toY < promoRank && promoChar
9886 /* black pawn promotion */
9887 board[toY][toX] = CharToPiece(ToLower(promoChar));
9888 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9889 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9890 board[fromY][fromX] = EmptySquare;
9891 } else if ((fromY < BOARD_HEIGHT>>1)
9892 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9894 && gameInfo.variant != VariantXiangqi
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 captured = board[toY + 1][toX];
9901 board[toY + 1][toX] = EmptySquare;
9902 } else if ((fromY == 3)
9904 && gameInfo.variant == VariantBerolina
9905 && (board[fromY][fromX] == BlackPawn)
9906 && (board[toY][toX] == EmptySquare)) {
9907 board[fromY][fromX] = EmptySquare;
9908 board[toY][toX] = BlackPawn;
9909 if(oldEP & EP_BEROLIN_A) {
9910 captured = board[fromY][fromX-1];
9911 board[fromY][fromX-1] = EmptySquare;
9912 }else{ captured = board[fromY][fromX+1];
9913 board[fromY][fromX+1] = EmptySquare;
9916 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
9917 board[fromY][fromX] = EmptySquare;
9918 board[toY][toX] = piece;
9922 if (gameInfo.holdingsWidth != 0) {
9924 /* !!A lot more code needs to be written to support holdings */
9925 /* [HGM] OK, so I have written it. Holdings are stored in the */
9926 /* penultimate board files, so they are automaticlly stored */
9927 /* in the game history. */
9928 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9929 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9930 /* Delete from holdings, by decreasing count */
9931 /* and erasing image if necessary */
9932 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9933 if(p < (int) BlackPawn) { /* white drop */
9934 p -= (int)WhitePawn;
9935 p = PieceToNumber((ChessSquare)p);
9936 if(p >= gameInfo.holdingsSize) p = 0;
9937 if(--board[p][BOARD_WIDTH-2] <= 0)
9938 board[p][BOARD_WIDTH-1] = EmptySquare;
9939 if((int)board[p][BOARD_WIDTH-2] < 0)
9940 board[p][BOARD_WIDTH-2] = 0;
9941 } else { /* black drop */
9942 p -= (int)BlackPawn;
9943 p = PieceToNumber((ChessSquare)p);
9944 if(p >= gameInfo.holdingsSize) p = 0;
9945 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9946 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9947 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9948 board[BOARD_HEIGHT-1-p][1] = 0;
9951 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9952 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9953 /* [HGM] holdings: Add to holdings, if holdings exist */
9954 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9955 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9956 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9959 if (p >= (int) BlackPawn) {
9960 p -= (int)BlackPawn;
9961 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9962 /* in Shogi restore piece to its original first */
9963 captured = (ChessSquare) (DEMOTED captured);
9966 p = PieceToNumber((ChessSquare)p);
9967 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9968 board[p][BOARD_WIDTH-2]++;
9969 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9971 p -= (int)WhitePawn;
9972 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9973 captured = (ChessSquare) (DEMOTED captured);
9976 p = PieceToNumber((ChessSquare)p);
9977 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9978 board[BOARD_HEIGHT-1-p][1]++;
9979 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9982 } else if (gameInfo.variant == VariantAtomic) {
9983 if (captured != EmptySquare) {
9985 for (y = toY-1; y <= toY+1; y++) {
9986 for (x = toX-1; x <= toX+1; x++) {
9987 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9988 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9989 board[y][x] = EmptySquare;
9993 board[toY][toX] = EmptySquare;
9996 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9997 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9999 if(promoChar == '+') {
10000 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10001 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10002 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10003 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10004 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10005 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10006 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10007 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10008 board[toY][toX] = newPiece;
10010 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10011 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10012 // [HGM] superchess: take promotion piece out of holdings
10013 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10014 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10015 if(!--board[k][BOARD_WIDTH-2])
10016 board[k][BOARD_WIDTH-1] = EmptySquare;
10018 if(!--board[BOARD_HEIGHT-1-k][1])
10019 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10024 /* Updates forwardMostMove */
10026 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10028 int x = toX, y = toY;
10029 char *s = parseList[forwardMostMove];
10030 ChessSquare p = boards[forwardMostMove][toY][toX];
10031 // forwardMostMove++; // [HGM] bare: moved downstream
10033 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10034 (void) CoordsToAlgebraic(boards[forwardMostMove],
10035 PosFlags(forwardMostMove),
10036 fromY, fromX, y, x, promoChar,
10038 if(killX >= 0 && killY >= 0)
10039 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10041 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10042 int timeLeft; static int lastLoadFlag=0; int king, piece;
10043 piece = boards[forwardMostMove][fromY][fromX];
10044 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10045 if(gameInfo.variant == VariantKnightmate)
10046 king += (int) WhiteUnicorn - (int) WhiteKing;
10047 if(forwardMostMove == 0) {
10048 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10049 fprintf(serverMoves, "%s;", UserName());
10050 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10051 fprintf(serverMoves, "%s;", second.tidy);
10052 fprintf(serverMoves, "%s;", first.tidy);
10053 if(gameMode == MachinePlaysWhite)
10054 fprintf(serverMoves, "%s;", UserName());
10055 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10056 fprintf(serverMoves, "%s;", second.tidy);
10057 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10058 lastLoadFlag = loadFlag;
10060 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10061 // print castling suffix
10062 if( toY == fromY && piece == king ) {
10064 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10066 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10069 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10070 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10071 boards[forwardMostMove][toY][toX] == EmptySquare
10072 && fromX != toX && fromY != toY)
10073 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10074 // promotion suffix
10075 if(promoChar != NULLCHAR) {
10076 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10077 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10078 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10079 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10082 char buf[MOVE_LEN*2], *p; int len;
10083 fprintf(serverMoves, "/%d/%d",
10084 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10085 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10086 else timeLeft = blackTimeRemaining/1000;
10087 fprintf(serverMoves, "/%d", timeLeft);
10088 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10089 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10090 if(p = strchr(buf, '=')) *p = NULLCHAR;
10091 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10092 fprintf(serverMoves, "/%s", buf);
10094 fflush(serverMoves);
10097 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10098 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10101 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10102 if (commentList[forwardMostMove+1] != NULL) {
10103 free(commentList[forwardMostMove+1]);
10104 commentList[forwardMostMove+1] = NULL;
10106 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10107 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10108 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10109 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10110 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10111 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10112 adjustedClock = FALSE;
10113 gameInfo.result = GameUnfinished;
10114 if (gameInfo.resultDetails != NULL) {
10115 free(gameInfo.resultDetails);
10116 gameInfo.resultDetails = NULL;
10118 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10119 moveList[forwardMostMove - 1]);
10120 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10126 if(gameInfo.variant != VariantShogi)
10127 strcat(parseList[forwardMostMove - 1], "+");
10131 strcat(parseList[forwardMostMove - 1], "#");
10136 /* Updates currentMove if not pausing */
10138 ShowMove (int fromX, int fromY, int toX, int toY)
10140 int instant = (gameMode == PlayFromGameFile) ?
10141 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10142 if(appData.noGUI) return;
10143 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10145 if (forwardMostMove == currentMove + 1) {
10146 AnimateMove(boards[forwardMostMove - 1],
10147 fromX, fromY, toX, toY);
10150 currentMove = forwardMostMove;
10153 killX = killY = -1; // [HGM] lion: used up
10155 if (instant) return;
10157 DisplayMove(currentMove - 1);
10158 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10159 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10160 SetHighlights(fromX, fromY, toX, toY);
10163 DrawPosition(FALSE, boards[currentMove]);
10164 DisplayBothClocks();
10165 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10169 SendEgtPath (ChessProgramState *cps)
10170 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10171 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10173 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10176 char c, *q = name+1, *r, *s;
10178 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10179 while(*p && *p != ',') *q++ = *p++;
10180 *q++ = ':'; *q = 0;
10181 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10182 strcmp(name, ",nalimov:") == 0 ) {
10183 // take nalimov path from the menu-changeable option first, if it is defined
10184 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10185 SendToProgram(buf,cps); // send egtbpath command for nalimov
10187 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10188 (s = StrStr(appData.egtFormats, name)) != NULL) {
10189 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10190 s = r = StrStr(s, ":") + 1; // beginning of path info
10191 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10192 c = *r; *r = 0; // temporarily null-terminate path info
10193 *--q = 0; // strip of trailig ':' from name
10194 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10196 SendToProgram(buf,cps); // send egtbpath command for this format
10198 if(*p == ',') p++; // read away comma to position for next format name
10203 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10205 int width = 8, height = 8, holdings = 0; // most common sizes
10206 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10207 // correct the deviations default for each variant
10208 if( v == VariantXiangqi ) width = 9, height = 10;
10209 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10210 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10211 if( v == VariantCapablanca || v == VariantCapaRandom ||
10212 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10214 if( v == VariantCourier ) width = 12;
10215 if( v == VariantSuper ) holdings = 8;
10216 if( v == VariantGreat ) width = 10, holdings = 8;
10217 if( v == VariantSChess ) holdings = 7;
10218 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10219 if( v == VariantChuChess) width = 10, height = 10;
10220 if( v == VariantChu ) width = 12, height = 12;
10221 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10222 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10223 holdingsSize >= 0 && holdingsSize != holdings;
10226 char variantError[MSG_SIZ];
10229 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10230 { // returns error message (recognizable by upper-case) if engine does not support the variant
10231 char *p, *variant = VariantName(v);
10232 static char b[MSG_SIZ];
10233 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10234 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10235 holdingsSize, variant); // cook up sized variant name
10236 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10237 if(StrStr(list, b) == NULL) {
10238 // specific sized variant not known, check if general sizing allowed
10239 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10240 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10241 boardWidth, boardHeight, holdingsSize, engine);
10244 /* [HGM] here we really should compare with the maximum supported board size */
10246 } else snprintf(b, MSG_SIZ,"%s", variant);
10247 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10248 p = StrStr(list, b);
10249 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10251 // occurs not at all in list, or only as sub-string
10252 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10253 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10254 int l = strlen(variantError);
10256 while(p != list && p[-1] != ',') p--;
10257 q = strchr(p, ',');
10258 if(q) *q = NULLCHAR;
10259 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10268 InitChessProgram (ChessProgramState *cps, int setup)
10269 /* setup needed to setup FRC opening position */
10271 char buf[MSG_SIZ], *b;
10272 if (appData.noChessProgram) return;
10273 hintRequested = FALSE;
10274 bookRequested = FALSE;
10276 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10277 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10278 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10279 if(cps->memSize) { /* [HGM] memory */
10280 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10281 SendToProgram(buf, cps);
10283 SendEgtPath(cps); /* [HGM] EGT */
10284 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10285 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10286 SendToProgram(buf, cps);
10289 SendToProgram(cps->initString, cps);
10290 if (gameInfo.variant != VariantNormal &&
10291 gameInfo.variant != VariantLoadable
10292 /* [HGM] also send variant if board size non-standard */
10293 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10295 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10296 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10298 DisplayFatalError(variantError, 0, 1);
10302 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10303 SendToProgram(buf, cps);
10305 currentlyInitializedVariant = gameInfo.variant;
10307 /* [HGM] send opening position in FRC to first engine */
10309 SendToProgram("force\n", cps);
10311 /* engine is now in force mode! Set flag to wake it up after first move. */
10312 setboardSpoiledMachineBlack = 1;
10315 if (cps->sendICS) {
10316 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10317 SendToProgram(buf, cps);
10319 cps->maybeThinking = FALSE;
10320 cps->offeredDraw = 0;
10321 if (!appData.icsActive) {
10322 SendTimeControl(cps, movesPerSession, timeControl,
10323 timeIncrement, appData.searchDepth,
10326 if (appData.showThinking
10327 // [HGM] thinking: four options require thinking output to be sent
10328 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10330 SendToProgram("post\n", cps);
10332 SendToProgram("hard\n", cps);
10333 if (!appData.ponderNextMove) {
10334 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10335 it without being sure what state we are in first. "hard"
10336 is not a toggle, so that one is OK.
10338 SendToProgram("easy\n", cps);
10340 if (cps->usePing) {
10341 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10342 SendToProgram(buf, cps);
10344 cps->initDone = TRUE;
10345 ClearEngineOutputPane(cps == &second);
10350 ResendOptions (ChessProgramState *cps)
10351 { // send the stored value of the options
10354 Option *opt = cps->option;
10355 for(i=0; i<cps->nrOptions; i++, opt++) {
10356 switch(opt->type) {
10360 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10363 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10366 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10372 SendToProgram(buf, cps);
10377 StartChessProgram (ChessProgramState *cps)
10382 if (appData.noChessProgram) return;
10383 cps->initDone = FALSE;
10385 if (strcmp(cps->host, "localhost") == 0) {
10386 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10387 } else if (*appData.remoteShell == NULLCHAR) {
10388 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10390 if (*appData.remoteUser == NULLCHAR) {
10391 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10394 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10395 cps->host, appData.remoteUser, cps->program);
10397 err = StartChildProcess(buf, "", &cps->pr);
10401 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10402 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10403 if(cps != &first) return;
10404 appData.noChessProgram = TRUE;
10407 // DisplayFatalError(buf, err, 1);
10408 // cps->pr = NoProc;
10409 // cps->isr = NULL;
10413 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10414 if (cps->protocolVersion > 1) {
10415 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10416 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10417 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10418 cps->comboCnt = 0; // and values of combo boxes
10420 SendToProgram(buf, cps);
10421 if(cps->reload) ResendOptions(cps);
10423 SendToProgram("xboard\n", cps);
10428 TwoMachinesEventIfReady P((void))
10430 static int curMess = 0;
10431 if (first.lastPing != first.lastPong) {
10432 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10433 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10436 if (second.lastPing != second.lastPong) {
10437 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10438 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10441 DisplayMessage("", ""); curMess = 0;
10442 TwoMachinesEvent();
10446 MakeName (char *template)
10450 static char buf[MSG_SIZ];
10454 clock = time((time_t *)NULL);
10455 tm = localtime(&clock);
10457 while(*p++ = *template++) if(p[-1] == '%') {
10458 switch(*template++) {
10459 case 0: *p = 0; return buf;
10460 case 'Y': i = tm->tm_year+1900; break;
10461 case 'y': i = tm->tm_year-100; break;
10462 case 'M': i = tm->tm_mon+1; break;
10463 case 'd': i = tm->tm_mday; break;
10464 case 'h': i = tm->tm_hour; break;
10465 case 'm': i = tm->tm_min; break;
10466 case 's': i = tm->tm_sec; break;
10469 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10475 CountPlayers (char *p)
10478 while(p = strchr(p, '\n')) p++, n++; // count participants
10483 WriteTourneyFile (char *results, FILE *f)
10484 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10485 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10486 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10487 // create a file with tournament description
10488 fprintf(f, "-participants {%s}\n", appData.participants);
10489 fprintf(f, "-seedBase %d\n", appData.seedBase);
10490 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10491 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10492 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10493 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10494 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10495 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10496 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10497 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10498 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10499 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10500 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10501 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10502 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10503 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10504 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10505 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10506 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10507 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10508 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10509 fprintf(f, "-smpCores %d\n", appData.smpCores);
10511 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10513 fprintf(f, "-mps %d\n", appData.movesPerSession);
10514 fprintf(f, "-tc %s\n", appData.timeControl);
10515 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10517 fprintf(f, "-results \"%s\"\n", results);
10522 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10525 Substitute (char *participants, int expunge)
10527 int i, changed, changes=0, nPlayers=0;
10528 char *p, *q, *r, buf[MSG_SIZ];
10529 if(participants == NULL) return;
10530 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10531 r = p = participants; q = appData.participants;
10532 while(*p && *p == *q) {
10533 if(*p == '\n') r = p+1, nPlayers++;
10536 if(*p) { // difference
10537 while(*p && *p++ != '\n');
10538 while(*q && *q++ != '\n');
10539 changed = nPlayers;
10540 changes = 1 + (strcmp(p, q) != 0);
10542 if(changes == 1) { // a single engine mnemonic was changed
10543 q = r; while(*q) nPlayers += (*q++ == '\n');
10544 p = buf; while(*r && (*p = *r++) != '\n') p++;
10546 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10547 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10548 if(mnemonic[i]) { // The substitute is valid
10550 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10551 flock(fileno(f), LOCK_EX);
10552 ParseArgsFromFile(f);
10553 fseek(f, 0, SEEK_SET);
10554 FREE(appData.participants); appData.participants = participants;
10555 if(expunge) { // erase results of replaced engine
10556 int len = strlen(appData.results), w, b, dummy;
10557 for(i=0; i<len; i++) {
10558 Pairing(i, nPlayers, &w, &b, &dummy);
10559 if((w == changed || b == changed) && appData.results[i] == '*') {
10560 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10565 for(i=0; i<len; i++) {
10566 Pairing(i, nPlayers, &w, &b, &dummy);
10567 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10570 WriteTourneyFile(appData.results, f);
10571 fclose(f); // release lock
10574 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10576 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10577 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10578 free(participants);
10583 CheckPlayers (char *participants)
10586 char buf[MSG_SIZ], *p;
10587 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10588 while(p = strchr(participants, '\n')) {
10590 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10592 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10594 DisplayError(buf, 0);
10598 participants = p + 1;
10604 CreateTourney (char *name)
10607 if(matchMode && strcmp(name, appData.tourneyFile)) {
10608 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10610 if(name[0] == NULLCHAR) {
10611 if(appData.participants[0])
10612 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10615 f = fopen(name, "r");
10616 if(f) { // file exists
10617 ASSIGN(appData.tourneyFile, name);
10618 ParseArgsFromFile(f); // parse it
10620 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10621 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10622 DisplayError(_("Not enough participants"), 0);
10625 if(CheckPlayers(appData.participants)) return 0;
10626 ASSIGN(appData.tourneyFile, name);
10627 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10628 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10631 appData.noChessProgram = FALSE;
10632 appData.clockMode = TRUE;
10638 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10640 char buf[MSG_SIZ], *p, *q;
10641 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10642 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10643 skip = !all && group[0]; // if group requested, we start in skip mode
10644 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10645 p = names; q = buf; header = 0;
10646 while(*p && *p != '\n') *q++ = *p++;
10648 if(*p == '\n') p++;
10649 if(buf[0] == '#') {
10650 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10651 depth++; // we must be entering a new group
10652 if(all) continue; // suppress printing group headers when complete list requested
10654 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10656 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10657 if(engineList[i]) free(engineList[i]);
10658 engineList[i] = strdup(buf);
10659 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10660 if(engineMnemonic[i]) free(engineMnemonic[i]);
10661 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10663 sscanf(q + 8, "%s", buf + strlen(buf));
10666 engineMnemonic[i] = strdup(buf);
10669 engineList[i] = engineMnemonic[i] = NULL;
10673 // following implemented as macro to avoid type limitations
10674 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10677 SwapEngines (int n)
10678 { // swap settings for first engine and other engine (so far only some selected options)
10683 SWAP(chessProgram, p)
10685 SWAP(hasOwnBookUCI, h)
10686 SWAP(protocolVersion, h)
10688 SWAP(scoreIsAbsolute, h)
10693 SWAP(engOptions, p)
10694 SWAP(engInitString, p)
10695 SWAP(computerString, p)
10697 SWAP(fenOverride, p)
10699 SWAP(accumulateTC, h)
10704 GetEngineLine (char *s, int n)
10708 extern char *icsNames;
10709 if(!s || !*s) return 0;
10710 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10711 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10712 if(!mnemonic[i]) return 0;
10713 if(n == 11) return 1; // just testing if there was a match
10714 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10715 if(n == 1) SwapEngines(n);
10716 ParseArgsFromString(buf);
10717 if(n == 1) SwapEngines(n);
10718 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10719 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10720 ParseArgsFromString(buf);
10726 SetPlayer (int player, char *p)
10727 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10729 char buf[MSG_SIZ], *engineName;
10730 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10731 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10732 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10734 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10735 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10736 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10737 ParseArgsFromString(buf);
10738 } else { // no engine with this nickname is installed!
10739 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10740 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10741 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10743 DisplayError(buf, 0);
10750 char *recentEngines;
10753 RecentEngineEvent (int nr)
10756 // SwapEngines(1); // bump first to second
10757 // ReplaceEngine(&second, 1); // and load it there
10758 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10759 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10760 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10761 ReplaceEngine(&first, 0);
10762 FloatToFront(&appData.recentEngineList, command[n]);
10767 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10768 { // determine players from game number
10769 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10771 if(appData.tourneyType == 0) {
10772 roundsPerCycle = (nPlayers - 1) | 1;
10773 pairingsPerRound = nPlayers / 2;
10774 } else if(appData.tourneyType > 0) {
10775 roundsPerCycle = nPlayers - appData.tourneyType;
10776 pairingsPerRound = appData.tourneyType;
10778 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10779 gamesPerCycle = gamesPerRound * roundsPerCycle;
10780 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10781 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10782 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10783 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10784 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10785 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10787 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10788 if(appData.roundSync) *syncInterval = gamesPerRound;
10790 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10792 if(appData.tourneyType == 0) {
10793 if(curPairing == (nPlayers-1)/2 ) {
10794 *whitePlayer = curRound;
10795 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10797 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10798 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10799 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10800 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10802 } else if(appData.tourneyType > 1) {
10803 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10804 *whitePlayer = curRound + appData.tourneyType;
10805 } else if(appData.tourneyType > 0) {
10806 *whitePlayer = curPairing;
10807 *blackPlayer = curRound + appData.tourneyType;
10810 // take care of white/black alternation per round.
10811 // For cycles and games this is already taken care of by default, derived from matchGame!
10812 return curRound & 1;
10816 NextTourneyGame (int nr, int *swapColors)
10817 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10819 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10821 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10822 tf = fopen(appData.tourneyFile, "r");
10823 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10824 ParseArgsFromFile(tf); fclose(tf);
10825 InitTimeControls(); // TC might be altered from tourney file
10827 nPlayers = CountPlayers(appData.participants); // count participants
10828 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10829 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10832 p = q = appData.results;
10833 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10834 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10835 DisplayMessage(_("Waiting for other game(s)"),"");
10836 waitingForGame = TRUE;
10837 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10840 waitingForGame = FALSE;
10843 if(appData.tourneyType < 0) {
10844 if(nr>=0 && !pairingReceived) {
10846 if(pairing.pr == NoProc) {
10847 if(!appData.pairingEngine[0]) {
10848 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10851 StartChessProgram(&pairing); // starts the pairing engine
10853 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10854 SendToProgram(buf, &pairing);
10855 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10856 SendToProgram(buf, &pairing);
10857 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10859 pairingReceived = 0; // ... so we continue here
10861 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10862 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10863 matchGame = 1; roundNr = nr / syncInterval + 1;
10866 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10868 // redefine engines, engine dir, etc.
10869 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10870 if(first.pr == NoProc) {
10871 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10872 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10874 if(second.pr == NoProc) {
10876 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10877 SwapEngines(1); // and make that valid for second engine by swapping
10878 InitEngine(&second, 1);
10880 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10881 UpdateLogos(FALSE); // leave display to ModeHiglight()
10887 { // performs game initialization that does not invoke engines, and then tries to start the game
10888 int res, firstWhite, swapColors = 0;
10889 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10890 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
10892 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10893 if(strcmp(buf, currentDebugFile)) { // name has changed
10894 FILE *f = fopen(buf, "w");
10895 if(f) { // if opening the new file failed, just keep using the old one
10896 ASSIGN(currentDebugFile, buf);
10900 if(appData.serverFileName) {
10901 if(serverFP) fclose(serverFP);
10902 serverFP = fopen(appData.serverFileName, "w");
10903 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10904 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10908 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10909 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10910 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10911 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10912 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10913 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10914 Reset(FALSE, first.pr != NoProc);
10915 res = LoadGameOrPosition(matchGame); // setup game
10916 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10917 if(!res) return; // abort when bad game/pos file
10918 TwoMachinesEvent();
10922 UserAdjudicationEvent (int result)
10924 ChessMove gameResult = GameIsDrawn;
10927 gameResult = WhiteWins;
10929 else if( result < 0 ) {
10930 gameResult = BlackWins;
10933 if( gameMode == TwoMachinesPlay ) {
10934 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10939 // [HGM] save: calculate checksum of game to make games easily identifiable
10941 StringCheckSum (char *s)
10944 if(s==NULL) return 0;
10945 while(*s) i = i*259 + *s++;
10953 for(i=backwardMostMove; i<forwardMostMove; i++) {
10954 sum += pvInfoList[i].depth;
10955 sum += StringCheckSum(parseList[i]);
10956 sum += StringCheckSum(commentList[i]);
10959 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10960 return sum + StringCheckSum(commentList[i]);
10961 } // end of save patch
10964 GameEnds (ChessMove result, char *resultDetails, int whosays)
10966 GameMode nextGameMode;
10968 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10970 if(endingGame) return; /* [HGM] crash: forbid recursion */
10972 if(twoBoards) { // [HGM] dual: switch back to one board
10973 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10974 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10976 if (appData.debugMode) {
10977 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10978 result, resultDetails ? resultDetails : "(null)", whosays);
10981 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
10983 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10985 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10986 /* If we are playing on ICS, the server decides when the
10987 game is over, but the engine can offer to draw, claim
10991 if (appData.zippyPlay && first.initDone) {
10992 if (result == GameIsDrawn) {
10993 /* In case draw still needs to be claimed */
10994 SendToICS(ics_prefix);
10995 SendToICS("draw\n");
10996 } else if (StrCaseStr(resultDetails, "resign")) {
10997 SendToICS(ics_prefix);
10998 SendToICS("resign\n");
11002 endingGame = 0; /* [HGM] crash */
11006 /* If we're loading the game from a file, stop */
11007 if (whosays == GE_FILE) {
11008 (void) StopLoadGameTimer();
11012 /* Cancel draw offers */
11013 first.offeredDraw = second.offeredDraw = 0;
11015 /* If this is an ICS game, only ICS can really say it's done;
11016 if not, anyone can. */
11017 isIcsGame = (gameMode == IcsPlayingWhite ||
11018 gameMode == IcsPlayingBlack ||
11019 gameMode == IcsObserving ||
11020 gameMode == IcsExamining);
11022 if (!isIcsGame || whosays == GE_ICS) {
11023 /* OK -- not an ICS game, or ICS said it was done */
11025 if (!isIcsGame && !appData.noChessProgram)
11026 SetUserThinkingEnables();
11028 /* [HGM] if a machine claims the game end we verify this claim */
11029 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11030 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11032 ChessMove trueResult = (ChessMove) -1;
11034 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11035 first.twoMachinesColor[0] :
11036 second.twoMachinesColor[0] ;
11038 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11039 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11040 /* [HGM] verify: engine mate claims accepted if they were flagged */
11041 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11043 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11044 /* [HGM] verify: engine mate claims accepted if they were flagged */
11045 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11047 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11048 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11051 // now verify win claims, but not in drop games, as we don't understand those yet
11052 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11053 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11054 (result == WhiteWins && claimer == 'w' ||
11055 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11056 if (appData.debugMode) {
11057 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11058 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11060 if(result != trueResult) {
11061 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11062 result = claimer == 'w' ? BlackWins : WhiteWins;
11063 resultDetails = buf;
11066 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11067 && (forwardMostMove <= backwardMostMove ||
11068 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11069 (claimer=='b')==(forwardMostMove&1))
11071 /* [HGM] verify: draws that were not flagged are false claims */
11072 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11073 result = claimer == 'w' ? BlackWins : WhiteWins;
11074 resultDetails = buf;
11076 /* (Claiming a loss is accepted no questions asked!) */
11077 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11078 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11079 result = GameUnfinished;
11080 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11082 /* [HGM] bare: don't allow bare King to win */
11083 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11084 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11085 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11086 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11087 && result != GameIsDrawn)
11088 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11089 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11090 int p = (signed char)boards[forwardMostMove][i][j] - color;
11091 if(p >= 0 && p <= (int)WhiteKing) k++;
11093 if (appData.debugMode) {
11094 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11095 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11098 result = GameIsDrawn;
11099 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11100 resultDetails = buf;
11106 if(serverMoves != NULL && !loadFlag) { char c = '=';
11107 if(result==WhiteWins) c = '+';
11108 if(result==BlackWins) c = '-';
11109 if(resultDetails != NULL)
11110 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11112 if (resultDetails != NULL) {
11113 gameInfo.result = result;
11114 gameInfo.resultDetails = StrSave(resultDetails);
11116 /* display last move only if game was not loaded from file */
11117 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11118 DisplayMove(currentMove - 1);
11120 if (forwardMostMove != 0) {
11121 if (gameMode != PlayFromGameFile && gameMode != EditGame
11122 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11124 if (*appData.saveGameFile != NULLCHAR) {
11125 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11126 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11128 SaveGameToFile(appData.saveGameFile, TRUE);
11129 } else if (appData.autoSaveGames) {
11130 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11132 if (*appData.savePositionFile != NULLCHAR) {
11133 SavePositionToFile(appData.savePositionFile);
11135 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11139 /* Tell program how game ended in case it is learning */
11140 /* [HGM] Moved this to after saving the PGN, just in case */
11141 /* engine died and we got here through time loss. In that */
11142 /* case we will get a fatal error writing the pipe, which */
11143 /* would otherwise lose us the PGN. */
11144 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11145 /* output during GameEnds should never be fatal anymore */
11146 if (gameMode == MachinePlaysWhite ||
11147 gameMode == MachinePlaysBlack ||
11148 gameMode == TwoMachinesPlay ||
11149 gameMode == IcsPlayingWhite ||
11150 gameMode == IcsPlayingBlack ||
11151 gameMode == BeginningOfGame) {
11153 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11155 if (first.pr != NoProc) {
11156 SendToProgram(buf, &first);
11158 if (second.pr != NoProc &&
11159 gameMode == TwoMachinesPlay) {
11160 SendToProgram(buf, &second);
11165 if (appData.icsActive) {
11166 if (appData.quietPlay &&
11167 (gameMode == IcsPlayingWhite ||
11168 gameMode == IcsPlayingBlack)) {
11169 SendToICS(ics_prefix);
11170 SendToICS("set shout 1\n");
11172 nextGameMode = IcsIdle;
11173 ics_user_moved = FALSE;
11174 /* clean up premove. It's ugly when the game has ended and the
11175 * premove highlights are still on the board.
11178 gotPremove = FALSE;
11179 ClearPremoveHighlights();
11180 DrawPosition(FALSE, boards[currentMove]);
11182 if (whosays == GE_ICS) {
11185 if (gameMode == IcsPlayingWhite)
11187 else if(gameMode == IcsPlayingBlack)
11188 PlayIcsLossSound();
11191 if (gameMode == IcsPlayingBlack)
11193 else if(gameMode == IcsPlayingWhite)
11194 PlayIcsLossSound();
11197 PlayIcsDrawSound();
11200 PlayIcsUnfinishedSound();
11203 if(appData.quitNext) { ExitEvent(0); return; }
11204 } else if (gameMode == EditGame ||
11205 gameMode == PlayFromGameFile ||
11206 gameMode == AnalyzeMode ||
11207 gameMode == AnalyzeFile) {
11208 nextGameMode = gameMode;
11210 nextGameMode = EndOfGame;
11215 nextGameMode = gameMode;
11218 if (appData.noChessProgram) {
11219 gameMode = nextGameMode;
11221 endingGame = 0; /* [HGM] crash */
11226 /* Put first chess program into idle state */
11227 if (first.pr != NoProc &&
11228 (gameMode == MachinePlaysWhite ||
11229 gameMode == MachinePlaysBlack ||
11230 gameMode == TwoMachinesPlay ||
11231 gameMode == IcsPlayingWhite ||
11232 gameMode == IcsPlayingBlack ||
11233 gameMode == BeginningOfGame)) {
11234 SendToProgram("force\n", &first);
11235 if (first.usePing) {
11237 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11238 SendToProgram(buf, &first);
11241 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11242 /* Kill off first chess program */
11243 if (first.isr != NULL)
11244 RemoveInputSource(first.isr);
11247 if (first.pr != NoProc) {
11249 DoSleep( appData.delayBeforeQuit );
11250 SendToProgram("quit\n", &first);
11251 DoSleep( appData.delayAfterQuit );
11252 DestroyChildProcess(first.pr, first.useSigterm);
11253 first.reload = TRUE;
11257 if (second.reuse) {
11258 /* Put second chess program into idle state */
11259 if (second.pr != NoProc &&
11260 gameMode == TwoMachinesPlay) {
11261 SendToProgram("force\n", &second);
11262 if (second.usePing) {
11264 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11265 SendToProgram(buf, &second);
11268 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11269 /* Kill off second chess program */
11270 if (second.isr != NULL)
11271 RemoveInputSource(second.isr);
11274 if (second.pr != NoProc) {
11275 DoSleep( appData.delayBeforeQuit );
11276 SendToProgram("quit\n", &second);
11277 DoSleep( appData.delayAfterQuit );
11278 DestroyChildProcess(second.pr, second.useSigterm);
11279 second.reload = TRUE;
11281 second.pr = NoProc;
11284 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11285 char resChar = '=';
11289 if (first.twoMachinesColor[0] == 'w') {
11292 second.matchWins++;
11297 if (first.twoMachinesColor[0] == 'b') {
11300 second.matchWins++;
11303 case GameUnfinished:
11309 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11310 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11311 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11312 ReserveGame(nextGame, resChar); // sets nextGame
11313 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11314 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11315 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11317 if (nextGame <= appData.matchGames && !abortMatch) {
11318 gameMode = nextGameMode;
11319 matchGame = nextGame; // this will be overruled in tourney mode!
11320 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11321 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11322 endingGame = 0; /* [HGM] crash */
11325 gameMode = nextGameMode;
11326 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11327 first.tidy, second.tidy,
11328 first.matchWins, second.matchWins,
11329 appData.matchGames - (first.matchWins + second.matchWins));
11330 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11331 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11332 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11333 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11334 first.twoMachinesColor = "black\n";
11335 second.twoMachinesColor = "white\n";
11337 first.twoMachinesColor = "white\n";
11338 second.twoMachinesColor = "black\n";
11342 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11343 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11345 gameMode = nextGameMode;
11347 endingGame = 0; /* [HGM] crash */
11348 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11349 if(matchMode == TRUE) { // match through command line: exit with or without popup
11351 ToNrEvent(forwardMostMove);
11352 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11354 } else DisplayFatalError(buf, 0, 0);
11355 } else { // match through menu; just stop, with or without popup
11356 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11359 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11360 } else DisplayNote(buf);
11362 if(ranking) free(ranking);
11366 /* Assumes program was just initialized (initString sent).
11367 Leaves program in force mode. */
11369 FeedMovesToProgram (ChessProgramState *cps, int upto)
11373 if (appData.debugMode)
11374 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11375 startedFromSetupPosition ? "position and " : "",
11376 backwardMostMove, upto, cps->which);
11377 if(currentlyInitializedVariant != gameInfo.variant) {
11379 // [HGM] variantswitch: make engine aware of new variant
11380 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11381 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11382 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11383 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11384 SendToProgram(buf, cps);
11385 currentlyInitializedVariant = gameInfo.variant;
11387 SendToProgram("force\n", cps);
11388 if (startedFromSetupPosition) {
11389 SendBoard(cps, backwardMostMove);
11390 if (appData.debugMode) {
11391 fprintf(debugFP, "feedMoves\n");
11394 for (i = backwardMostMove; i < upto; i++) {
11395 SendMoveToProgram(i, cps);
11401 ResurrectChessProgram ()
11403 /* The chess program may have exited.
11404 If so, restart it and feed it all the moves made so far. */
11405 static int doInit = 0;
11407 if (appData.noChessProgram) return 1;
11409 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11410 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11411 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11412 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11414 if (first.pr != NoProc) return 1;
11415 StartChessProgram(&first);
11417 InitChessProgram(&first, FALSE);
11418 FeedMovesToProgram(&first, currentMove);
11420 if (!first.sendTime) {
11421 /* can't tell gnuchess what its clock should read,
11422 so we bow to its notion. */
11424 timeRemaining[0][currentMove] = whiteTimeRemaining;
11425 timeRemaining[1][currentMove] = blackTimeRemaining;
11428 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11429 appData.icsEngineAnalyze) && first.analysisSupport) {
11430 SendToProgram("analyze\n", &first);
11431 first.analyzing = TRUE;
11437 * Button procedures
11440 Reset (int redraw, int init)
11444 if (appData.debugMode) {
11445 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11446 redraw, init, gameMode);
11448 CleanupTail(); // [HGM] vari: delete any stored variations
11449 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11450 pausing = pauseExamInvalid = FALSE;
11451 startedFromSetupPosition = blackPlaysFirst = FALSE;
11453 whiteFlag = blackFlag = FALSE;
11454 userOfferedDraw = FALSE;
11455 hintRequested = bookRequested = FALSE;
11456 first.maybeThinking = FALSE;
11457 second.maybeThinking = FALSE;
11458 first.bookSuspend = FALSE; // [HGM] book
11459 second.bookSuspend = FALSE;
11460 thinkOutput[0] = NULLCHAR;
11461 lastHint[0] = NULLCHAR;
11462 ClearGameInfo(&gameInfo);
11463 gameInfo.variant = StringToVariant(appData.variant);
11464 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11465 ics_user_moved = ics_clock_paused = FALSE;
11466 ics_getting_history = H_FALSE;
11468 white_holding[0] = black_holding[0] = NULLCHAR;
11469 ClearProgramStats();
11470 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11474 flipView = appData.flipView;
11475 ClearPremoveHighlights();
11476 gotPremove = FALSE;
11477 alarmSounded = FALSE;
11478 killX = killY = -1; // [HGM] lion
11480 GameEnds(EndOfFile, NULL, GE_PLAYER);
11481 if(appData.serverMovesName != NULL) {
11482 /* [HGM] prepare to make moves file for broadcasting */
11483 clock_t t = clock();
11484 if(serverMoves != NULL) fclose(serverMoves);
11485 serverMoves = fopen(appData.serverMovesName, "r");
11486 if(serverMoves != NULL) {
11487 fclose(serverMoves);
11488 /* delay 15 sec before overwriting, so all clients can see end */
11489 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11491 serverMoves = fopen(appData.serverMovesName, "w");
11495 gameMode = BeginningOfGame;
11497 if(appData.icsActive) gameInfo.variant = VariantNormal;
11498 currentMove = forwardMostMove = backwardMostMove = 0;
11499 MarkTargetSquares(1);
11500 InitPosition(redraw);
11501 for (i = 0; i < MAX_MOVES; i++) {
11502 if (commentList[i] != NULL) {
11503 free(commentList[i]);
11504 commentList[i] = NULL;
11508 timeRemaining[0][0] = whiteTimeRemaining;
11509 timeRemaining[1][0] = blackTimeRemaining;
11511 if (first.pr == NoProc) {
11512 StartChessProgram(&first);
11515 InitChessProgram(&first, startedFromSetupPosition);
11518 DisplayMessage("", "");
11519 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11520 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11521 ClearMap(); // [HGM] exclude: invalidate map
11525 AutoPlayGameLoop ()
11528 if (!AutoPlayOneMove())
11530 if (matchMode || appData.timeDelay == 0)
11532 if (appData.timeDelay < 0)
11534 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11542 ReloadGame(1); // next game
11548 int fromX, fromY, toX, toY;
11550 if (appData.debugMode) {
11551 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11554 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11557 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11558 pvInfoList[currentMove].depth = programStats.depth;
11559 pvInfoList[currentMove].score = programStats.score;
11560 pvInfoList[currentMove].time = 0;
11561 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11562 else { // append analysis of final position as comment
11564 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11565 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11567 programStats.depth = 0;
11570 if (currentMove >= forwardMostMove) {
11571 if(gameMode == AnalyzeFile) {
11572 if(appData.loadGameIndex == -1) {
11573 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11574 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11576 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11579 // gameMode = EndOfGame;
11580 // ModeHighlight();
11582 /* [AS] Clear current move marker at the end of a game */
11583 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11588 toX = moveList[currentMove][2] - AAA;
11589 toY = moveList[currentMove][3] - ONE;
11591 if (moveList[currentMove][1] == '@') {
11592 if (appData.highlightLastMove) {
11593 SetHighlights(-1, -1, toX, toY);
11596 fromX = moveList[currentMove][0] - AAA;
11597 fromY = moveList[currentMove][1] - ONE;
11599 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11601 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11603 if (appData.highlightLastMove) {
11604 SetHighlights(fromX, fromY, toX, toY);
11607 DisplayMove(currentMove);
11608 SendMoveToProgram(currentMove++, &first);
11609 DisplayBothClocks();
11610 DrawPosition(FALSE, boards[currentMove]);
11611 // [HGM] PV info: always display, routine tests if empty
11612 DisplayComment(currentMove - 1, commentList[currentMove]);
11618 LoadGameOneMove (ChessMove readAhead)
11620 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11621 char promoChar = NULLCHAR;
11622 ChessMove moveType;
11623 char move[MSG_SIZ];
11626 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11627 gameMode != AnalyzeMode && gameMode != Training) {
11632 yyboardindex = forwardMostMove;
11633 if (readAhead != EndOfFile) {
11634 moveType = readAhead;
11636 if (gameFileFP == NULL)
11638 moveType = (ChessMove) Myylex();
11642 switch (moveType) {
11644 if (appData.debugMode)
11645 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11648 /* append the comment but don't display it */
11649 AppendComment(currentMove, p, FALSE);
11652 case WhiteCapturesEnPassant:
11653 case BlackCapturesEnPassant:
11654 case WhitePromotion:
11655 case BlackPromotion:
11656 case WhiteNonPromotion:
11657 case BlackNonPromotion:
11660 case WhiteKingSideCastle:
11661 case WhiteQueenSideCastle:
11662 case BlackKingSideCastle:
11663 case BlackQueenSideCastle:
11664 case WhiteKingSideCastleWild:
11665 case WhiteQueenSideCastleWild:
11666 case BlackKingSideCastleWild:
11667 case BlackQueenSideCastleWild:
11669 case WhiteHSideCastleFR:
11670 case WhiteASideCastleFR:
11671 case BlackHSideCastleFR:
11672 case BlackASideCastleFR:
11674 if (appData.debugMode)
11675 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11676 fromX = currentMoveString[0] - AAA;
11677 fromY = currentMoveString[1] - ONE;
11678 toX = currentMoveString[2] - AAA;
11679 toY = currentMoveString[3] - ONE;
11680 promoChar = currentMoveString[4];
11681 if(promoChar == ';') promoChar = NULLCHAR;
11686 if (appData.debugMode)
11687 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11688 fromX = moveType == WhiteDrop ?
11689 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11690 (int) CharToPiece(ToLower(currentMoveString[0]));
11692 toX = currentMoveString[2] - AAA;
11693 toY = currentMoveString[3] - ONE;
11699 case GameUnfinished:
11700 if (appData.debugMode)
11701 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11702 p = strchr(yy_text, '{');
11703 if (p == NULL) p = strchr(yy_text, '(');
11706 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11708 q = strchr(p, *p == '{' ? '}' : ')');
11709 if (q != NULL) *q = NULLCHAR;
11712 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11713 GameEnds(moveType, p, GE_FILE);
11715 if (cmailMsgLoaded) {
11717 flipView = WhiteOnMove(currentMove);
11718 if (moveType == GameUnfinished) flipView = !flipView;
11719 if (appData.debugMode)
11720 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11725 if (appData.debugMode)
11726 fprintf(debugFP, "Parser hit end of file\n");
11727 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11733 if (WhiteOnMove(currentMove)) {
11734 GameEnds(BlackWins, "Black mates", GE_FILE);
11736 GameEnds(WhiteWins, "White mates", GE_FILE);
11740 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11746 case MoveNumberOne:
11747 if (lastLoadGameStart == GNUChessGame) {
11748 /* GNUChessGames have numbers, but they aren't move numbers */
11749 if (appData.debugMode)
11750 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11751 yy_text, (int) moveType);
11752 return LoadGameOneMove(EndOfFile); /* tail recursion */
11754 /* else fall thru */
11759 /* Reached start of next game in file */
11760 if (appData.debugMode)
11761 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11762 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11768 if (WhiteOnMove(currentMove)) {
11769 GameEnds(BlackWins, "Black mates", GE_FILE);
11771 GameEnds(WhiteWins, "White mates", GE_FILE);
11775 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11781 case PositionDiagram: /* should not happen; ignore */
11782 case ElapsedTime: /* ignore */
11783 case NAG: /* ignore */
11784 if (appData.debugMode)
11785 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11786 yy_text, (int) moveType);
11787 return LoadGameOneMove(EndOfFile); /* tail recursion */
11790 if (appData.testLegality) {
11791 if (appData.debugMode)
11792 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11793 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11794 (forwardMostMove / 2) + 1,
11795 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11796 DisplayError(move, 0);
11799 if (appData.debugMode)
11800 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11801 yy_text, currentMoveString);
11802 fromX = currentMoveString[0] - AAA;
11803 fromY = currentMoveString[1] - ONE;
11804 toX = currentMoveString[2] - AAA;
11805 toY = currentMoveString[3] - ONE;
11806 promoChar = currentMoveString[4];
11810 case AmbiguousMove:
11811 if (appData.debugMode)
11812 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11813 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11814 (forwardMostMove / 2) + 1,
11815 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11816 DisplayError(move, 0);
11821 case ImpossibleMove:
11822 if (appData.debugMode)
11823 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11824 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11825 (forwardMostMove / 2) + 1,
11826 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11827 DisplayError(move, 0);
11833 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11834 DrawPosition(FALSE, boards[currentMove]);
11835 DisplayBothClocks();
11836 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11837 DisplayComment(currentMove - 1, commentList[currentMove]);
11839 (void) StopLoadGameTimer();
11841 cmailOldMove = forwardMostMove;
11844 /* currentMoveString is set as a side-effect of yylex */
11846 thinkOutput[0] = NULLCHAR;
11847 MakeMove(fromX, fromY, toX, toY, promoChar);
11848 killX = killY = -1; // [HGM] lion: used up
11849 currentMove = forwardMostMove;
11854 /* Load the nth game from the given file */
11856 LoadGameFromFile (char *filename, int n, char *title, int useList)
11861 if (strcmp(filename, "-") == 0) {
11865 f = fopen(filename, "rb");
11867 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11868 DisplayError(buf, errno);
11872 if (fseek(f, 0, 0) == -1) {
11873 /* f is not seekable; probably a pipe */
11876 if (useList && n == 0) {
11877 int error = GameListBuild(f);
11879 DisplayError(_("Cannot build game list"), error);
11880 } else if (!ListEmpty(&gameList) &&
11881 ((ListGame *) gameList.tailPred)->number > 1) {
11882 GameListPopUp(f, title);
11889 return LoadGame(f, n, title, FALSE);
11894 MakeRegisteredMove ()
11896 int fromX, fromY, toX, toY;
11898 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11899 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11902 if (appData.debugMode)
11903 fprintf(debugFP, "Restoring %s for game %d\n",
11904 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11906 thinkOutput[0] = NULLCHAR;
11907 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11908 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11909 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11910 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11911 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11912 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11913 MakeMove(fromX, fromY, toX, toY, promoChar);
11914 ShowMove(fromX, fromY, toX, toY);
11916 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11923 if (WhiteOnMove(currentMove)) {
11924 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11926 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11931 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11938 if (WhiteOnMove(currentMove)) {
11939 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11941 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11946 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11957 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11959 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11963 if (gameNumber > nCmailGames) {
11964 DisplayError(_("No more games in this message"), 0);
11967 if (f == lastLoadGameFP) {
11968 int offset = gameNumber - lastLoadGameNumber;
11970 cmailMsg[0] = NULLCHAR;
11971 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11972 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11973 nCmailMovesRegistered--;
11975 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11976 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11977 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11980 if (! RegisterMove()) return FALSE;
11984 retVal = LoadGame(f, gameNumber, title, useList);
11986 /* Make move registered during previous look at this game, if any */
11987 MakeRegisteredMove();
11989 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11990 commentList[currentMove]
11991 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11992 DisplayComment(currentMove - 1, commentList[currentMove]);
11998 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12000 ReloadGame (int offset)
12002 int gameNumber = lastLoadGameNumber + offset;
12003 if (lastLoadGameFP == NULL) {
12004 DisplayError(_("No game has been loaded yet"), 0);
12007 if (gameNumber <= 0) {
12008 DisplayError(_("Can't back up any further"), 0);
12011 if (cmailMsgLoaded) {
12012 return CmailLoadGame(lastLoadGameFP, gameNumber,
12013 lastLoadGameTitle, lastLoadGameUseList);
12015 return LoadGame(lastLoadGameFP, gameNumber,
12016 lastLoadGameTitle, lastLoadGameUseList);
12020 int keys[EmptySquare+1];
12023 PositionMatches (Board b1, Board b2)
12026 switch(appData.searchMode) {
12027 case 1: return CompareWithRights(b1, b2);
12029 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12030 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12034 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12035 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12036 sum += keys[b1[r][f]] - keys[b2[r][f]];
12040 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12041 sum += keys[b1[r][f]] - keys[b2[r][f]];
12053 int pieceList[256], quickBoard[256];
12054 ChessSquare pieceType[256] = { EmptySquare };
12055 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12056 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12057 int soughtTotal, turn;
12058 Boolean epOK, flipSearch;
12061 unsigned char piece, to;
12064 #define DSIZE (250000)
12066 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12067 Move *moveDatabase = initialSpace;
12068 unsigned int movePtr, dataSize = DSIZE;
12071 MakePieceList (Board board, int *counts)
12073 int r, f, n=Q_PROMO, total=0;
12074 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12075 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12076 int sq = f + (r<<4);
12077 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12078 quickBoard[sq] = ++n;
12080 pieceType[n] = board[r][f];
12081 counts[board[r][f]]++;
12082 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12083 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12087 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12092 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12094 int sq = fromX + (fromY<<4);
12095 int piece = quickBoard[sq];
12096 quickBoard[sq] = 0;
12097 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12098 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12099 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12100 moveDatabase[movePtr++].piece = Q_WCASTL;
12101 quickBoard[sq] = piece;
12102 piece = quickBoard[from]; quickBoard[from] = 0;
12103 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12105 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12106 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12107 moveDatabase[movePtr++].piece = Q_BCASTL;
12108 quickBoard[sq] = piece;
12109 piece = quickBoard[from]; quickBoard[from] = 0;
12110 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12112 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12113 quickBoard[(fromY<<4)+toX] = 0;
12114 moveDatabase[movePtr].piece = Q_EP;
12115 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12116 moveDatabase[movePtr].to = sq;
12118 if(promoPiece != pieceType[piece]) {
12119 moveDatabase[movePtr++].piece = Q_PROMO;
12120 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12122 moveDatabase[movePtr].piece = piece;
12123 quickBoard[sq] = piece;
12128 PackGame (Board board)
12130 Move *newSpace = NULL;
12131 moveDatabase[movePtr].piece = 0; // terminate previous game
12132 if(movePtr > dataSize) {
12133 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12134 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12135 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12138 Move *p = moveDatabase, *q = newSpace;
12139 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12140 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12141 moveDatabase = newSpace;
12142 } else { // calloc failed, we must be out of memory. Too bad...
12143 dataSize = 0; // prevent calloc events for all subsequent games
12144 return 0; // and signal this one isn't cached
12148 MakePieceList(board, counts);
12153 QuickCompare (Board board, int *minCounts, int *maxCounts)
12154 { // compare according to search mode
12156 switch(appData.searchMode)
12158 case 1: // exact position match
12159 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12160 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12161 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12164 case 2: // can have extra material on empty squares
12165 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12166 if(board[r][f] == EmptySquare) continue;
12167 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12170 case 3: // material with exact Pawn structure
12171 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12172 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12173 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12174 } // fall through to material comparison
12175 case 4: // exact material
12176 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12178 case 6: // material range with given imbalance
12179 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12180 // fall through to range comparison
12181 case 5: // material range
12182 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12188 QuickScan (Board board, Move *move)
12189 { // reconstruct game,and compare all positions in it
12190 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12192 int piece = move->piece;
12193 int to = move->to, from = pieceList[piece];
12194 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12195 if(!piece) return -1;
12196 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12197 piece = (++move)->piece;
12198 from = pieceList[piece];
12199 counts[pieceType[piece]]--;
12200 pieceType[piece] = (ChessSquare) move->to;
12201 counts[move->to]++;
12202 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12203 counts[pieceType[quickBoard[to]]]--;
12204 quickBoard[to] = 0; total--;
12207 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12208 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12209 from = pieceList[piece]; // so this must be King
12210 quickBoard[from] = 0;
12211 pieceList[piece] = to;
12212 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12213 quickBoard[from] = 0; // rook
12214 quickBoard[to] = piece;
12215 to = move->to; piece = move->piece;
12219 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12220 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12221 quickBoard[from] = 0;
12223 quickBoard[to] = piece;
12224 pieceList[piece] = to;
12226 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12227 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12228 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12229 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12231 static int lastCounts[EmptySquare+1];
12233 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12234 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12235 } else stretch = 0;
12236 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12245 flipSearch = FALSE;
12246 CopyBoard(soughtBoard, boards[currentMove]);
12247 soughtTotal = MakePieceList(soughtBoard, maxSought);
12248 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12249 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12250 CopyBoard(reverseBoard, boards[currentMove]);
12251 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12252 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12253 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12254 reverseBoard[r][f] = piece;
12256 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12257 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12258 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12259 || (boards[currentMove][CASTLING][2] == NoRights ||
12260 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12261 && (boards[currentMove][CASTLING][5] == NoRights ||
12262 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12265 CopyBoard(flipBoard, soughtBoard);
12266 CopyBoard(rotateBoard, reverseBoard);
12267 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12268 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12269 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12272 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12273 if(appData.searchMode >= 5) {
12274 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12275 MakePieceList(soughtBoard, minSought);
12276 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12278 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12279 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12282 GameInfo dummyInfo;
12283 static int creatingBook;
12286 GameContainsPosition (FILE *f, ListGame *lg)
12288 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12289 int fromX, fromY, toX, toY;
12291 static int initDone=FALSE;
12293 // weed out games based on numerical tag comparison
12294 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12295 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12296 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12297 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12299 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12302 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12303 else CopyBoard(boards[scratch], initialPosition); // default start position
12306 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12307 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12310 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12311 fseek(f, lg->offset, 0);
12314 yyboardindex = scratch;
12315 quickFlag = plyNr+1;
12320 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12326 if(plyNr) return -1; // after we have seen moves, this is for new game
12329 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12330 case ImpossibleMove:
12331 case WhiteWins: // game ends here with these four
12334 case GameUnfinished:
12338 if(appData.testLegality) return -1;
12339 case WhiteCapturesEnPassant:
12340 case BlackCapturesEnPassant:
12341 case WhitePromotion:
12342 case BlackPromotion:
12343 case WhiteNonPromotion:
12344 case BlackNonPromotion:
12347 case WhiteKingSideCastle:
12348 case WhiteQueenSideCastle:
12349 case BlackKingSideCastle:
12350 case BlackQueenSideCastle:
12351 case WhiteKingSideCastleWild:
12352 case WhiteQueenSideCastleWild:
12353 case BlackKingSideCastleWild:
12354 case BlackQueenSideCastleWild:
12355 case WhiteHSideCastleFR:
12356 case WhiteASideCastleFR:
12357 case BlackHSideCastleFR:
12358 case BlackASideCastleFR:
12359 fromX = currentMoveString[0] - AAA;
12360 fromY = currentMoveString[1] - ONE;
12361 toX = currentMoveString[2] - AAA;
12362 toY = currentMoveString[3] - ONE;
12363 promoChar = currentMoveString[4];
12367 fromX = next == WhiteDrop ?
12368 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12369 (int) CharToPiece(ToLower(currentMoveString[0]));
12371 toX = currentMoveString[2] - AAA;
12372 toY = currentMoveString[3] - ONE;
12376 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12378 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12379 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12380 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12381 if(appData.findMirror) {
12382 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12383 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12388 /* Load the nth game from open file f */
12390 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12394 int gn = gameNumber;
12395 ListGame *lg = NULL;
12396 int numPGNTags = 0;
12398 GameMode oldGameMode;
12399 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12401 if (appData.debugMode)
12402 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12404 if (gameMode == Training )
12405 SetTrainingModeOff();
12407 oldGameMode = gameMode;
12408 if (gameMode != BeginningOfGame) {
12409 Reset(FALSE, TRUE);
12411 killX = killY = -1; // [HGM] lion: in case we did not Reset
12414 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12415 fclose(lastLoadGameFP);
12419 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12422 fseek(f, lg->offset, 0);
12423 GameListHighlight(gameNumber);
12424 pos = lg->position;
12428 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12429 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12431 DisplayError(_("Game number out of range"), 0);
12436 if (fseek(f, 0, 0) == -1) {
12437 if (f == lastLoadGameFP ?
12438 gameNumber == lastLoadGameNumber + 1 :
12442 DisplayError(_("Can't seek on game file"), 0);
12447 lastLoadGameFP = f;
12448 lastLoadGameNumber = gameNumber;
12449 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12450 lastLoadGameUseList = useList;
12454 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12455 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12456 lg->gameInfo.black);
12458 } else if (*title != NULLCHAR) {
12459 if (gameNumber > 1) {
12460 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12463 DisplayTitle(title);
12467 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12468 gameMode = PlayFromGameFile;
12472 currentMove = forwardMostMove = backwardMostMove = 0;
12473 CopyBoard(boards[0], initialPosition);
12477 * Skip the first gn-1 games in the file.
12478 * Also skip over anything that precedes an identifiable
12479 * start of game marker, to avoid being confused by
12480 * garbage at the start of the file. Currently
12481 * recognized start of game markers are the move number "1",
12482 * the pattern "gnuchess .* game", the pattern
12483 * "^[#;%] [^ ]* game file", and a PGN tag block.
12484 * A game that starts with one of the latter two patterns
12485 * will also have a move number 1, possibly
12486 * following a position diagram.
12487 * 5-4-02: Let's try being more lenient and allowing a game to
12488 * start with an unnumbered move. Does that break anything?
12490 cm = lastLoadGameStart = EndOfFile;
12492 yyboardindex = forwardMostMove;
12493 cm = (ChessMove) Myylex();
12496 if (cmailMsgLoaded) {
12497 nCmailGames = CMAIL_MAX_GAMES - gn;
12500 DisplayError(_("Game not found in file"), 0);
12507 lastLoadGameStart = cm;
12510 case MoveNumberOne:
12511 switch (lastLoadGameStart) {
12516 case MoveNumberOne:
12518 gn--; /* count this game */
12519 lastLoadGameStart = cm;
12528 switch (lastLoadGameStart) {
12531 case MoveNumberOne:
12533 gn--; /* count this game */
12534 lastLoadGameStart = cm;
12537 lastLoadGameStart = cm; /* game counted already */
12545 yyboardindex = forwardMostMove;
12546 cm = (ChessMove) Myylex();
12547 } while (cm == PGNTag || cm == Comment);
12554 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12555 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12556 != CMAIL_OLD_RESULT) {
12558 cmailResult[ CMAIL_MAX_GAMES
12559 - gn - 1] = CMAIL_OLD_RESULT;
12566 /* Only a NormalMove can be at the start of a game
12567 * without a position diagram. */
12568 if (lastLoadGameStart == EndOfFile ) {
12570 lastLoadGameStart = MoveNumberOne;
12579 if (appData.debugMode)
12580 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12582 if (cm == XBoardGame) {
12583 /* Skip any header junk before position diagram and/or move 1 */
12585 yyboardindex = forwardMostMove;
12586 cm = (ChessMove) Myylex();
12588 if (cm == EndOfFile ||
12589 cm == GNUChessGame || cm == XBoardGame) {
12590 /* Empty game; pretend end-of-file and handle later */
12595 if (cm == MoveNumberOne || cm == PositionDiagram ||
12596 cm == PGNTag || cm == Comment)
12599 } else if (cm == GNUChessGame) {
12600 if (gameInfo.event != NULL) {
12601 free(gameInfo.event);
12603 gameInfo.event = StrSave(yy_text);
12606 startedFromSetupPosition = FALSE;
12607 while (cm == PGNTag) {
12608 if (appData.debugMode)
12609 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12610 err = ParsePGNTag(yy_text, &gameInfo);
12611 if (!err) numPGNTags++;
12613 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12614 if(gameInfo.variant != oldVariant) {
12615 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12616 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12617 InitPosition(TRUE);
12618 oldVariant = gameInfo.variant;
12619 if (appData.debugMode)
12620 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12624 if (gameInfo.fen != NULL) {
12625 Board initial_position;
12626 startedFromSetupPosition = TRUE;
12627 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12629 DisplayError(_("Bad FEN position in file"), 0);
12632 CopyBoard(boards[0], initial_position);
12633 if (blackPlaysFirst) {
12634 currentMove = forwardMostMove = backwardMostMove = 1;
12635 CopyBoard(boards[1], initial_position);
12636 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12637 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12638 timeRemaining[0][1] = whiteTimeRemaining;
12639 timeRemaining[1][1] = blackTimeRemaining;
12640 if (commentList[0] != NULL) {
12641 commentList[1] = commentList[0];
12642 commentList[0] = NULL;
12645 currentMove = forwardMostMove = backwardMostMove = 0;
12647 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12649 initialRulePlies = FENrulePlies;
12650 for( i=0; i< nrCastlingRights; i++ )
12651 initialRights[i] = initial_position[CASTLING][i];
12653 yyboardindex = forwardMostMove;
12654 free(gameInfo.fen);
12655 gameInfo.fen = NULL;
12658 yyboardindex = forwardMostMove;
12659 cm = (ChessMove) Myylex();
12661 /* Handle comments interspersed among the tags */
12662 while (cm == Comment) {
12664 if (appData.debugMode)
12665 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12667 AppendComment(currentMove, p, FALSE);
12668 yyboardindex = forwardMostMove;
12669 cm = (ChessMove) Myylex();
12673 /* don't rely on existence of Event tag since if game was
12674 * pasted from clipboard the Event tag may not exist
12676 if (numPGNTags > 0){
12678 if (gameInfo.variant == VariantNormal) {
12679 VariantClass v = StringToVariant(gameInfo.event);
12680 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12681 if(v < VariantShogi) gameInfo.variant = v;
12684 if( appData.autoDisplayTags ) {
12685 tags = PGNTags(&gameInfo);
12686 TagsPopUp(tags, CmailMsg());
12691 /* Make something up, but don't display it now */
12696 if (cm == PositionDiagram) {
12699 Board initial_position;
12701 if (appData.debugMode)
12702 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12704 if (!startedFromSetupPosition) {
12706 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12707 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12718 initial_position[i][j++] = CharToPiece(*p);
12721 while (*p == ' ' || *p == '\t' ||
12722 *p == '\n' || *p == '\r') p++;
12724 if (strncmp(p, "black", strlen("black"))==0)
12725 blackPlaysFirst = TRUE;
12727 blackPlaysFirst = FALSE;
12728 startedFromSetupPosition = TRUE;
12730 CopyBoard(boards[0], initial_position);
12731 if (blackPlaysFirst) {
12732 currentMove = forwardMostMove = backwardMostMove = 1;
12733 CopyBoard(boards[1], initial_position);
12734 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12735 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12736 timeRemaining[0][1] = whiteTimeRemaining;
12737 timeRemaining[1][1] = blackTimeRemaining;
12738 if (commentList[0] != NULL) {
12739 commentList[1] = commentList[0];
12740 commentList[0] = NULL;
12743 currentMove = forwardMostMove = backwardMostMove = 0;
12746 yyboardindex = forwardMostMove;
12747 cm = (ChessMove) Myylex();
12750 if(!creatingBook) {
12751 if (first.pr == NoProc) {
12752 StartChessProgram(&first);
12754 InitChessProgram(&first, FALSE);
12755 SendToProgram("force\n", &first);
12756 if (startedFromSetupPosition) {
12757 SendBoard(&first, forwardMostMove);
12758 if (appData.debugMode) {
12759 fprintf(debugFP, "Load Game\n");
12761 DisplayBothClocks();
12765 /* [HGM] server: flag to write setup moves in broadcast file as one */
12766 loadFlag = appData.suppressLoadMoves;
12768 while (cm == Comment) {
12770 if (appData.debugMode)
12771 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12773 AppendComment(currentMove, p, FALSE);
12774 yyboardindex = forwardMostMove;
12775 cm = (ChessMove) Myylex();
12778 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12779 cm == WhiteWins || cm == BlackWins ||
12780 cm == GameIsDrawn || cm == GameUnfinished) {
12781 DisplayMessage("", _("No moves in game"));
12782 if (cmailMsgLoaded) {
12783 if (appData.debugMode)
12784 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12788 DrawPosition(FALSE, boards[currentMove]);
12789 DisplayBothClocks();
12790 gameMode = EditGame;
12797 // [HGM] PV info: routine tests if comment empty
12798 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12799 DisplayComment(currentMove - 1, commentList[currentMove]);
12801 if (!matchMode && appData.timeDelay != 0)
12802 DrawPosition(FALSE, boards[currentMove]);
12804 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12805 programStats.ok_to_send = 1;
12808 /* if the first token after the PGN tags is a move
12809 * and not move number 1, retrieve it from the parser
12811 if (cm != MoveNumberOne)
12812 LoadGameOneMove(cm);
12814 /* load the remaining moves from the file */
12815 while (LoadGameOneMove(EndOfFile)) {
12816 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12817 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12820 /* rewind to the start of the game */
12821 currentMove = backwardMostMove;
12823 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12825 if (oldGameMode == AnalyzeFile) {
12826 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12827 AnalyzeFileEvent();
12829 if (oldGameMode == AnalyzeMode) {
12830 AnalyzeFileEvent();
12833 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12834 long int w, b; // [HGM] adjourn: restore saved clock times
12835 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12836 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12837 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12838 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12842 if(creatingBook) return TRUE;
12843 if (!matchMode && pos > 0) {
12844 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12846 if (matchMode || appData.timeDelay == 0) {
12848 } else if (appData.timeDelay > 0) {
12849 AutoPlayGameLoop();
12852 if (appData.debugMode)
12853 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12855 loadFlag = 0; /* [HGM] true game starts */
12859 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12861 ReloadPosition (int offset)
12863 int positionNumber = lastLoadPositionNumber + offset;
12864 if (lastLoadPositionFP == NULL) {
12865 DisplayError(_("No position has been loaded yet"), 0);
12868 if (positionNumber <= 0) {
12869 DisplayError(_("Can't back up any further"), 0);
12872 return LoadPosition(lastLoadPositionFP, positionNumber,
12873 lastLoadPositionTitle);
12876 /* Load the nth position from the given file */
12878 LoadPositionFromFile (char *filename, int n, char *title)
12883 if (strcmp(filename, "-") == 0) {
12884 return LoadPosition(stdin, n, "stdin");
12886 f = fopen(filename, "rb");
12888 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12889 DisplayError(buf, errno);
12892 return LoadPosition(f, n, title);
12897 /* Load the nth position from the given open file, and close it */
12899 LoadPosition (FILE *f, int positionNumber, char *title)
12901 char *p, line[MSG_SIZ];
12902 Board initial_position;
12903 int i, j, fenMode, pn;
12905 if (gameMode == Training )
12906 SetTrainingModeOff();
12908 if (gameMode != BeginningOfGame) {
12909 Reset(FALSE, TRUE);
12911 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12912 fclose(lastLoadPositionFP);
12914 if (positionNumber == 0) positionNumber = 1;
12915 lastLoadPositionFP = f;
12916 lastLoadPositionNumber = positionNumber;
12917 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12918 if (first.pr == NoProc && !appData.noChessProgram) {
12919 StartChessProgram(&first);
12920 InitChessProgram(&first, FALSE);
12922 pn = positionNumber;
12923 if (positionNumber < 0) {
12924 /* Negative position number means to seek to that byte offset */
12925 if (fseek(f, -positionNumber, 0) == -1) {
12926 DisplayError(_("Can't seek on position file"), 0);
12931 if (fseek(f, 0, 0) == -1) {
12932 if (f == lastLoadPositionFP ?
12933 positionNumber == lastLoadPositionNumber + 1 :
12934 positionNumber == 1) {
12937 DisplayError(_("Can't seek on position file"), 0);
12942 /* See if this file is FEN or old-style xboard */
12943 if (fgets(line, MSG_SIZ, f) == NULL) {
12944 DisplayError(_("Position not found in file"), 0);
12947 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12948 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12951 if (fenMode || line[0] == '#') pn--;
12953 /* skip positions before number pn */
12954 if (fgets(line, MSG_SIZ, f) == NULL) {
12956 DisplayError(_("Position not found in file"), 0);
12959 if (fenMode || line[0] == '#') pn--;
12964 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
12965 DisplayError(_("Bad FEN position in file"), 0);
12969 (void) fgets(line, MSG_SIZ, f);
12970 (void) fgets(line, MSG_SIZ, f);
12972 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12973 (void) fgets(line, MSG_SIZ, f);
12974 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12977 initial_position[i][j++] = CharToPiece(*p);
12981 blackPlaysFirst = FALSE;
12983 (void) fgets(line, MSG_SIZ, f);
12984 if (strncmp(line, "black", strlen("black"))==0)
12985 blackPlaysFirst = TRUE;
12988 startedFromSetupPosition = TRUE;
12990 CopyBoard(boards[0], initial_position);
12991 if (blackPlaysFirst) {
12992 currentMove = forwardMostMove = backwardMostMove = 1;
12993 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12994 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12995 CopyBoard(boards[1], initial_position);
12996 DisplayMessage("", _("Black to play"));
12998 currentMove = forwardMostMove = backwardMostMove = 0;
12999 DisplayMessage("", _("White to play"));
13001 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13002 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13003 SendToProgram("force\n", &first);
13004 SendBoard(&first, forwardMostMove);
13006 if (appData.debugMode) {
13008 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13009 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13010 fprintf(debugFP, "Load Position\n");
13013 if (positionNumber > 1) {
13014 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13015 DisplayTitle(line);
13017 DisplayTitle(title);
13019 gameMode = EditGame;
13022 timeRemaining[0][1] = whiteTimeRemaining;
13023 timeRemaining[1][1] = blackTimeRemaining;
13024 DrawPosition(FALSE, boards[currentMove]);
13031 CopyPlayerNameIntoFileName (char **dest, char *src)
13033 while (*src != NULLCHAR && *src != ',') {
13038 *(*dest)++ = *src++;
13044 DefaultFileName (char *ext)
13046 static char def[MSG_SIZ];
13049 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13051 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13053 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13055 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13062 /* Save the current game to the given file */
13064 SaveGameToFile (char *filename, int append)
13068 int result, i, t,tot=0;
13070 if (strcmp(filename, "-") == 0) {
13071 return SaveGame(stdout, 0, NULL);
13073 for(i=0; i<10; i++) { // upto 10 tries
13074 f = fopen(filename, append ? "a" : "w");
13075 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13076 if(f || errno != 13) break;
13077 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13081 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13082 DisplayError(buf, errno);
13085 safeStrCpy(buf, lastMsg, MSG_SIZ);
13086 DisplayMessage(_("Waiting for access to save file"), "");
13087 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13088 DisplayMessage(_("Saving game"), "");
13089 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13090 result = SaveGame(f, 0, NULL);
13091 DisplayMessage(buf, "");
13098 SavePart (char *str)
13100 static char buf[MSG_SIZ];
13103 p = strchr(str, ' ');
13104 if (p == NULL) return str;
13105 strncpy(buf, str, p - str);
13106 buf[p - str] = NULLCHAR;
13110 #define PGN_MAX_LINE 75
13112 #define PGN_SIDE_WHITE 0
13113 #define PGN_SIDE_BLACK 1
13116 FindFirstMoveOutOfBook (int side)
13120 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13121 int index = backwardMostMove;
13122 int has_book_hit = 0;
13124 if( (index % 2) != side ) {
13128 while( index < forwardMostMove ) {
13129 /* Check to see if engine is in book */
13130 int depth = pvInfoList[index].depth;
13131 int score = pvInfoList[index].score;
13137 else if( score == 0 && depth == 63 ) {
13138 in_book = 1; /* Zappa */
13140 else if( score == 2 && depth == 99 ) {
13141 in_book = 1; /* Abrok */
13144 has_book_hit += in_book;
13160 GetOutOfBookInfo (char * buf)
13164 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13166 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13167 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13171 if( oob[0] >= 0 || oob[1] >= 0 ) {
13172 for( i=0; i<2; i++ ) {
13176 if( i > 0 && oob[0] >= 0 ) {
13177 strcat( buf, " " );
13180 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13181 sprintf( buf+strlen(buf), "%s%.2f",
13182 pvInfoList[idx].score >= 0 ? "+" : "",
13183 pvInfoList[idx].score / 100.0 );
13189 /* Save game in PGN style and close the file */
13191 SaveGamePGN (FILE *f)
13193 int i, offset, linelen, newblock;
13196 int movelen, numlen, blank;
13197 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13199 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13201 PrintPGNTags(f, &gameInfo);
13203 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13205 if (backwardMostMove > 0 || startedFromSetupPosition) {
13206 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13207 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13208 fprintf(f, "\n{--------------\n");
13209 PrintPosition(f, backwardMostMove);
13210 fprintf(f, "--------------}\n");
13214 /* [AS] Out of book annotation */
13215 if( appData.saveOutOfBookInfo ) {
13218 GetOutOfBookInfo( buf );
13220 if( buf[0] != '\0' ) {
13221 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13228 i = backwardMostMove;
13232 while (i < forwardMostMove) {
13233 /* Print comments preceding this move */
13234 if (commentList[i] != NULL) {
13235 if (linelen > 0) fprintf(f, "\n");
13236 fprintf(f, "%s", commentList[i]);
13241 /* Format move number */
13243 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13246 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13248 numtext[0] = NULLCHAR;
13250 numlen = strlen(numtext);
13253 /* Print move number */
13254 blank = linelen > 0 && numlen > 0;
13255 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13264 fprintf(f, "%s", numtext);
13268 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13269 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13272 blank = linelen > 0 && movelen > 0;
13273 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13282 fprintf(f, "%s", move_buffer);
13283 linelen += movelen;
13285 /* [AS] Add PV info if present */
13286 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13287 /* [HGM] add time */
13288 char buf[MSG_SIZ]; int seconds;
13290 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13296 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13299 seconds = (seconds + 4)/10; // round to full seconds
13301 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13303 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13306 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13307 pvInfoList[i].score >= 0 ? "+" : "",
13308 pvInfoList[i].score / 100.0,
13309 pvInfoList[i].depth,
13312 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13314 /* Print score/depth */
13315 blank = linelen > 0 && movelen > 0;
13316 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13325 fprintf(f, "%s", move_buffer);
13326 linelen += movelen;
13332 /* Start a new line */
13333 if (linelen > 0) fprintf(f, "\n");
13335 /* Print comments after last move */
13336 if (commentList[i] != NULL) {
13337 fprintf(f, "%s\n", commentList[i]);
13341 if (gameInfo.resultDetails != NULL &&
13342 gameInfo.resultDetails[0] != NULLCHAR) {
13343 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13344 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13345 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13346 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13347 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13349 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13353 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13357 /* Save game in old style and close the file */
13359 SaveGameOldStyle (FILE *f)
13364 tm = time((time_t *) NULL);
13366 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13369 if (backwardMostMove > 0 || startedFromSetupPosition) {
13370 fprintf(f, "\n[--------------\n");
13371 PrintPosition(f, backwardMostMove);
13372 fprintf(f, "--------------]\n");
13377 i = backwardMostMove;
13378 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13380 while (i < forwardMostMove) {
13381 if (commentList[i] != NULL) {
13382 fprintf(f, "[%s]\n", commentList[i]);
13385 if ((i % 2) == 1) {
13386 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13389 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13391 if (commentList[i] != NULL) {
13395 if (i >= forwardMostMove) {
13399 fprintf(f, "%s\n", parseList[i]);
13404 if (commentList[i] != NULL) {
13405 fprintf(f, "[%s]\n", commentList[i]);
13408 /* This isn't really the old style, but it's close enough */
13409 if (gameInfo.resultDetails != NULL &&
13410 gameInfo.resultDetails[0] != NULLCHAR) {
13411 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13412 gameInfo.resultDetails);
13414 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13421 /* Save the current game to open file f and close the file */
13423 SaveGame (FILE *f, int dummy, char *dummy2)
13425 if (gameMode == EditPosition) EditPositionDone(TRUE);
13426 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13427 if (appData.oldSaveStyle)
13428 return SaveGameOldStyle(f);
13430 return SaveGamePGN(f);
13433 /* Save the current position to the given file */
13435 SavePositionToFile (char *filename)
13440 if (strcmp(filename, "-") == 0) {
13441 return SavePosition(stdout, 0, NULL);
13443 f = fopen(filename, "a");
13445 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13446 DisplayError(buf, errno);
13449 safeStrCpy(buf, lastMsg, MSG_SIZ);
13450 DisplayMessage(_("Waiting for access to save file"), "");
13451 flock(fileno(f), LOCK_EX); // [HGM] lock
13452 DisplayMessage(_("Saving position"), "");
13453 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13454 SavePosition(f, 0, NULL);
13455 DisplayMessage(buf, "");
13461 /* Save the current position to the given open file and close the file */
13463 SavePosition (FILE *f, int dummy, char *dummy2)
13468 if (gameMode == EditPosition) EditPositionDone(TRUE);
13469 if (appData.oldSaveStyle) {
13470 tm = time((time_t *) NULL);
13472 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13474 fprintf(f, "[--------------\n");
13475 PrintPosition(f, currentMove);
13476 fprintf(f, "--------------]\n");
13478 fen = PositionToFEN(currentMove, NULL, 1);
13479 fprintf(f, "%s\n", fen);
13487 ReloadCmailMsgEvent (int unregister)
13490 static char *inFilename = NULL;
13491 static char *outFilename;
13493 struct stat inbuf, outbuf;
13496 /* Any registered moves are unregistered if unregister is set, */
13497 /* i.e. invoked by the signal handler */
13499 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13500 cmailMoveRegistered[i] = FALSE;
13501 if (cmailCommentList[i] != NULL) {
13502 free(cmailCommentList[i]);
13503 cmailCommentList[i] = NULL;
13506 nCmailMovesRegistered = 0;
13509 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13510 cmailResult[i] = CMAIL_NOT_RESULT;
13514 if (inFilename == NULL) {
13515 /* Because the filenames are static they only get malloced once */
13516 /* and they never get freed */
13517 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13518 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13520 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13521 sprintf(outFilename, "%s.out", appData.cmailGameName);
13524 status = stat(outFilename, &outbuf);
13526 cmailMailedMove = FALSE;
13528 status = stat(inFilename, &inbuf);
13529 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13532 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13533 counts the games, notes how each one terminated, etc.
13535 It would be nice to remove this kludge and instead gather all
13536 the information while building the game list. (And to keep it
13537 in the game list nodes instead of having a bunch of fixed-size
13538 parallel arrays.) Note this will require getting each game's
13539 termination from the PGN tags, as the game list builder does
13540 not process the game moves. --mann
13542 cmailMsgLoaded = TRUE;
13543 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13545 /* Load first game in the file or popup game menu */
13546 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13548 #endif /* !WIN32 */
13556 char string[MSG_SIZ];
13558 if ( cmailMailedMove
13559 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13560 return TRUE; /* Allow free viewing */
13563 /* Unregister move to ensure that we don't leave RegisterMove */
13564 /* with the move registered when the conditions for registering no */
13566 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13567 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13568 nCmailMovesRegistered --;
13570 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13572 free(cmailCommentList[lastLoadGameNumber - 1]);
13573 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13577 if (cmailOldMove == -1) {
13578 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13582 if (currentMove > cmailOldMove + 1) {
13583 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13587 if (currentMove < cmailOldMove) {
13588 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13592 if (forwardMostMove > currentMove) {
13593 /* Silently truncate extra moves */
13597 if ( (currentMove == cmailOldMove + 1)
13598 || ( (currentMove == cmailOldMove)
13599 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13600 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13601 if (gameInfo.result != GameUnfinished) {
13602 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13605 if (commentList[currentMove] != NULL) {
13606 cmailCommentList[lastLoadGameNumber - 1]
13607 = StrSave(commentList[currentMove]);
13609 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13611 if (appData.debugMode)
13612 fprintf(debugFP, "Saving %s for game %d\n",
13613 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13615 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13617 f = fopen(string, "w");
13618 if (appData.oldSaveStyle) {
13619 SaveGameOldStyle(f); /* also closes the file */
13621 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13622 f = fopen(string, "w");
13623 SavePosition(f, 0, NULL); /* also closes the file */
13625 fprintf(f, "{--------------\n");
13626 PrintPosition(f, currentMove);
13627 fprintf(f, "--------------}\n\n");
13629 SaveGame(f, 0, NULL); /* also closes the file*/
13632 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13633 nCmailMovesRegistered ++;
13634 } else if (nCmailGames == 1) {
13635 DisplayError(_("You have not made a move yet"), 0);
13646 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13647 FILE *commandOutput;
13648 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13649 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13655 if (! cmailMsgLoaded) {
13656 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13660 if (nCmailGames == nCmailResults) {
13661 DisplayError(_("No unfinished games"), 0);
13665 #if CMAIL_PROHIBIT_REMAIL
13666 if (cmailMailedMove) {
13667 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);
13668 DisplayError(msg, 0);
13673 if (! (cmailMailedMove || RegisterMove())) return;
13675 if ( cmailMailedMove
13676 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13677 snprintf(string, MSG_SIZ, partCommandString,
13678 appData.debugMode ? " -v" : "", appData.cmailGameName);
13679 commandOutput = popen(string, "r");
13681 if (commandOutput == NULL) {
13682 DisplayError(_("Failed to invoke cmail"), 0);
13684 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13685 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13687 if (nBuffers > 1) {
13688 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13689 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13690 nBytes = MSG_SIZ - 1;
13692 (void) memcpy(msg, buffer, nBytes);
13694 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13696 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13697 cmailMailedMove = TRUE; /* Prevent >1 moves */
13700 for (i = 0; i < nCmailGames; i ++) {
13701 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13706 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13708 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13710 appData.cmailGameName,
13712 LoadGameFromFile(buffer, 1, buffer, FALSE);
13713 cmailMsgLoaded = FALSE;
13717 DisplayInformation(msg);
13718 pclose(commandOutput);
13721 if ((*cmailMsg) != '\0') {
13722 DisplayInformation(cmailMsg);
13727 #endif /* !WIN32 */
13736 int prependComma = 0;
13738 char string[MSG_SIZ]; /* Space for game-list */
13741 if (!cmailMsgLoaded) return "";
13743 if (cmailMailedMove) {
13744 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13746 /* Create a list of games left */
13747 snprintf(string, MSG_SIZ, "[");
13748 for (i = 0; i < nCmailGames; i ++) {
13749 if (! ( cmailMoveRegistered[i]
13750 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13751 if (prependComma) {
13752 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13754 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13758 strcat(string, number);
13761 strcat(string, "]");
13763 if (nCmailMovesRegistered + nCmailResults == 0) {
13764 switch (nCmailGames) {
13766 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13770 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13774 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13779 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13781 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13786 if (nCmailResults == nCmailGames) {
13787 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13789 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13794 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13806 if (gameMode == Training)
13807 SetTrainingModeOff();
13810 cmailMsgLoaded = FALSE;
13811 if (appData.icsActive) {
13812 SendToICS(ics_prefix);
13813 SendToICS("refresh\n");
13818 ExitEvent (int status)
13822 /* Give up on clean exit */
13826 /* Keep trying for clean exit */
13830 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13832 if (telnetISR != NULL) {
13833 RemoveInputSource(telnetISR);
13835 if (icsPR != NoProc) {
13836 DestroyChildProcess(icsPR, TRUE);
13839 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13840 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13842 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13843 /* make sure this other one finishes before killing it! */
13844 if(endingGame) { int count = 0;
13845 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13846 while(endingGame && count++ < 10) DoSleep(1);
13847 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13850 /* Kill off chess programs */
13851 if (first.pr != NoProc) {
13854 DoSleep( appData.delayBeforeQuit );
13855 SendToProgram("quit\n", &first);
13856 DoSleep( appData.delayAfterQuit );
13857 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13859 if (second.pr != NoProc) {
13860 DoSleep( appData.delayBeforeQuit );
13861 SendToProgram("quit\n", &second);
13862 DoSleep( appData.delayAfterQuit );
13863 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13865 if (first.isr != NULL) {
13866 RemoveInputSource(first.isr);
13868 if (second.isr != NULL) {
13869 RemoveInputSource(second.isr);
13872 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13873 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13875 ShutDownFrontEnd();
13880 PauseEngine (ChessProgramState *cps)
13882 SendToProgram("pause\n", cps);
13887 UnPauseEngine (ChessProgramState *cps)
13889 SendToProgram("resume\n", cps);
13896 if (appData.debugMode)
13897 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13901 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13903 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13904 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13905 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13907 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13908 HandleMachineMove(stashedInputMove, stalledEngine);
13909 stalledEngine = NULL;
13912 if (gameMode == MachinePlaysWhite ||
13913 gameMode == TwoMachinesPlay ||
13914 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13915 if(first.pause) UnPauseEngine(&first);
13916 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13917 if(second.pause) UnPauseEngine(&second);
13918 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13921 DisplayBothClocks();
13923 if (gameMode == PlayFromGameFile) {
13924 if (appData.timeDelay >= 0)
13925 AutoPlayGameLoop();
13926 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13927 Reset(FALSE, TRUE);
13928 SendToICS(ics_prefix);
13929 SendToICS("refresh\n");
13930 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13931 ForwardInner(forwardMostMove);
13933 pauseExamInvalid = FALSE;
13935 switch (gameMode) {
13939 pauseExamForwardMostMove = forwardMostMove;
13940 pauseExamInvalid = FALSE;
13943 case IcsPlayingWhite:
13944 case IcsPlayingBlack:
13948 case PlayFromGameFile:
13949 (void) StopLoadGameTimer();
13953 case BeginningOfGame:
13954 if (appData.icsActive) return;
13955 /* else fall through */
13956 case MachinePlaysWhite:
13957 case MachinePlaysBlack:
13958 case TwoMachinesPlay:
13959 if (forwardMostMove == 0)
13960 return; /* don't pause if no one has moved */
13961 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13962 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13963 if(onMove->pause) { // thinking engine can be paused
13964 PauseEngine(onMove); // do it
13965 if(onMove->other->pause) // pondering opponent can always be paused immediately
13966 PauseEngine(onMove->other);
13968 SendToProgram("easy\n", onMove->other);
13970 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13971 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13973 PauseEngine(&first);
13975 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13976 } else { // human on move, pause pondering by either method
13978 PauseEngine(&first);
13979 else if(appData.ponderNextMove)
13980 SendToProgram("easy\n", &first);
13983 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13993 EditCommentEvent ()
13995 char title[MSG_SIZ];
13997 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13998 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14000 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14001 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14002 parseList[currentMove - 1]);
14005 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14012 char *tags = PGNTags(&gameInfo);
14014 EditTagsPopUp(tags, NULL);
14021 if(second.analyzing) {
14022 SendToProgram("exit\n", &second);
14023 second.analyzing = FALSE;
14025 if (second.pr == NoProc) StartChessProgram(&second);
14026 InitChessProgram(&second, FALSE);
14027 FeedMovesToProgram(&second, currentMove);
14029 SendToProgram("analyze\n", &second);
14030 second.analyzing = TRUE;
14034 /* Toggle ShowThinking */
14036 ToggleShowThinking()
14038 appData.showThinking = !appData.showThinking;
14039 ShowThinkingEvent();
14043 AnalyzeModeEvent ()
14047 if (!first.analysisSupport) {
14048 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14049 DisplayError(buf, 0);
14052 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14053 if (appData.icsActive) {
14054 if (gameMode != IcsObserving) {
14055 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14056 DisplayError(buf, 0);
14058 if (appData.icsEngineAnalyze) {
14059 if (appData.debugMode)
14060 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14066 /* if enable, user wants to disable icsEngineAnalyze */
14067 if (appData.icsEngineAnalyze) {
14072 appData.icsEngineAnalyze = TRUE;
14073 if (appData.debugMode)
14074 fprintf(debugFP, "ICS engine analyze starting... \n");
14077 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14078 if (appData.noChessProgram || gameMode == AnalyzeMode)
14081 if (gameMode != AnalyzeFile) {
14082 if (!appData.icsEngineAnalyze) {
14084 if (gameMode != EditGame) return 0;
14086 if (!appData.showThinking) ToggleShowThinking();
14087 ResurrectChessProgram();
14088 SendToProgram("analyze\n", &first);
14089 first.analyzing = TRUE;
14090 /*first.maybeThinking = TRUE;*/
14091 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14092 EngineOutputPopUp();
14094 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
14099 StartAnalysisClock();
14100 GetTimeMark(&lastNodeCountTime);
14106 AnalyzeFileEvent ()
14108 if (appData.noChessProgram || gameMode == AnalyzeFile)
14111 if (!first.analysisSupport) {
14113 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14114 DisplayError(buf, 0);
14118 if (gameMode != AnalyzeMode) {
14119 keepInfo = 1; // mere annotating should not alter PGN tags
14122 if (gameMode != EditGame) return;
14123 if (!appData.showThinking) ToggleShowThinking();
14124 ResurrectChessProgram();
14125 SendToProgram("analyze\n", &first);
14126 first.analyzing = TRUE;
14127 /*first.maybeThinking = TRUE;*/
14128 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14129 EngineOutputPopUp();
14131 gameMode = AnalyzeFile;
14135 StartAnalysisClock();
14136 GetTimeMark(&lastNodeCountTime);
14138 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14139 AnalysisPeriodicEvent(1);
14143 MachineWhiteEvent ()
14146 char *bookHit = NULL;
14148 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14152 if (gameMode == PlayFromGameFile ||
14153 gameMode == TwoMachinesPlay ||
14154 gameMode == Training ||
14155 gameMode == AnalyzeMode ||
14156 gameMode == EndOfGame)
14159 if (gameMode == EditPosition)
14160 EditPositionDone(TRUE);
14162 if (!WhiteOnMove(currentMove)) {
14163 DisplayError(_("It is not White's turn"), 0);
14167 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14170 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14171 gameMode == AnalyzeFile)
14174 ResurrectChessProgram(); /* in case it isn't running */
14175 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14176 gameMode = MachinePlaysWhite;
14179 gameMode = MachinePlaysWhite;
14183 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14185 if (first.sendName) {
14186 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14187 SendToProgram(buf, &first);
14189 if (first.sendTime) {
14190 if (first.useColors) {
14191 SendToProgram("black\n", &first); /*gnu kludge*/
14193 SendTimeRemaining(&first, TRUE);
14195 if (first.useColors) {
14196 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14198 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14199 SetMachineThinkingEnables();
14200 first.maybeThinking = TRUE;
14204 if (appData.autoFlipView && !flipView) {
14205 flipView = !flipView;
14206 DrawPosition(FALSE, NULL);
14207 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14210 if(bookHit) { // [HGM] book: simulate book reply
14211 static char bookMove[MSG_SIZ]; // a bit generous?
14213 programStats.nodes = programStats.depth = programStats.time =
14214 programStats.score = programStats.got_only_move = 0;
14215 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14217 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14218 strcat(bookMove, bookHit);
14219 HandleMachineMove(bookMove, &first);
14224 MachineBlackEvent ()
14227 char *bookHit = NULL;
14229 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14233 if (gameMode == PlayFromGameFile ||
14234 gameMode == TwoMachinesPlay ||
14235 gameMode == Training ||
14236 gameMode == AnalyzeMode ||
14237 gameMode == EndOfGame)
14240 if (gameMode == EditPosition)
14241 EditPositionDone(TRUE);
14243 if (WhiteOnMove(currentMove)) {
14244 DisplayError(_("It is not Black's turn"), 0);
14248 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14251 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14252 gameMode == AnalyzeFile)
14255 ResurrectChessProgram(); /* in case it isn't running */
14256 gameMode = MachinePlaysBlack;
14260 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14262 if (first.sendName) {
14263 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14264 SendToProgram(buf, &first);
14266 if (first.sendTime) {
14267 if (first.useColors) {
14268 SendToProgram("white\n", &first); /*gnu kludge*/
14270 SendTimeRemaining(&first, FALSE);
14272 if (first.useColors) {
14273 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14275 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14276 SetMachineThinkingEnables();
14277 first.maybeThinking = TRUE;
14280 if (appData.autoFlipView && flipView) {
14281 flipView = !flipView;
14282 DrawPosition(FALSE, NULL);
14283 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14285 if(bookHit) { // [HGM] book: simulate book reply
14286 static char bookMove[MSG_SIZ]; // a bit generous?
14288 programStats.nodes = programStats.depth = programStats.time =
14289 programStats.score = programStats.got_only_move = 0;
14290 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14292 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14293 strcat(bookMove, bookHit);
14294 HandleMachineMove(bookMove, &first);
14300 DisplayTwoMachinesTitle ()
14303 if (appData.matchGames > 0) {
14304 if(appData.tourneyFile[0]) {
14305 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14306 gameInfo.white, _("vs."), gameInfo.black,
14307 nextGame+1, appData.matchGames+1,
14308 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14310 if (first.twoMachinesColor[0] == 'w') {
14311 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14312 gameInfo.white, _("vs."), gameInfo.black,
14313 first.matchWins, second.matchWins,
14314 matchGame - 1 - (first.matchWins + second.matchWins));
14316 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14317 gameInfo.white, _("vs."), gameInfo.black,
14318 second.matchWins, first.matchWins,
14319 matchGame - 1 - (first.matchWins + second.matchWins));
14322 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14328 SettingsMenuIfReady ()
14330 if (second.lastPing != second.lastPong) {
14331 DisplayMessage("", _("Waiting for second chess program"));
14332 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14336 DisplayMessage("", "");
14337 SettingsPopUp(&second);
14341 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14344 if (cps->pr == NoProc) {
14345 StartChessProgram(cps);
14346 if (cps->protocolVersion == 1) {
14348 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14350 /* kludge: allow timeout for initial "feature" command */
14351 if(retry != TwoMachinesEventIfReady) FreezeUI();
14352 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14353 DisplayMessage("", buf);
14354 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14362 TwoMachinesEvent P((void))
14366 ChessProgramState *onmove;
14367 char *bookHit = NULL;
14368 static int stalling = 0;
14372 if (appData.noChessProgram) return;
14374 switch (gameMode) {
14375 case TwoMachinesPlay:
14377 case MachinePlaysWhite:
14378 case MachinePlaysBlack:
14379 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14380 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14384 case BeginningOfGame:
14385 case PlayFromGameFile:
14388 if (gameMode != EditGame) return;
14391 EditPositionDone(TRUE);
14402 // forwardMostMove = currentMove;
14403 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14404 startingEngine = TRUE;
14406 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14408 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14409 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14410 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14413 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14415 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14416 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14417 startingEngine = FALSE;
14418 DisplayError("second engine does not play this", 0);
14423 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14424 SendToProgram("force\n", &second);
14426 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14429 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14430 if(appData.matchPause>10000 || appData.matchPause<10)
14431 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14432 wait = SubtractTimeMarks(&now, &pauseStart);
14433 if(wait < appData.matchPause) {
14434 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14437 // we are now committed to starting the game
14439 DisplayMessage("", "");
14440 if (startedFromSetupPosition) {
14441 SendBoard(&second, backwardMostMove);
14442 if (appData.debugMode) {
14443 fprintf(debugFP, "Two Machines\n");
14446 for (i = backwardMostMove; i < forwardMostMove; i++) {
14447 SendMoveToProgram(i, &second);
14450 gameMode = TwoMachinesPlay;
14451 pausing = startingEngine = FALSE;
14452 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14454 DisplayTwoMachinesTitle();
14456 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14461 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14462 SendToProgram(first.computerString, &first);
14463 if (first.sendName) {
14464 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14465 SendToProgram(buf, &first);
14467 SendToProgram(second.computerString, &second);
14468 if (second.sendName) {
14469 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14470 SendToProgram(buf, &second);
14474 if (!first.sendTime || !second.sendTime) {
14475 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14476 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14478 if (onmove->sendTime) {
14479 if (onmove->useColors) {
14480 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14482 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14484 if (onmove->useColors) {
14485 SendToProgram(onmove->twoMachinesColor, onmove);
14487 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14488 // SendToProgram("go\n", onmove);
14489 onmove->maybeThinking = TRUE;
14490 SetMachineThinkingEnables();
14494 if(bookHit) { // [HGM] book: simulate book reply
14495 static char bookMove[MSG_SIZ]; // a bit generous?
14497 programStats.nodes = programStats.depth = programStats.time =
14498 programStats.score = programStats.got_only_move = 0;
14499 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14501 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14502 strcat(bookMove, bookHit);
14503 savedMessage = bookMove; // args for deferred call
14504 savedState = onmove;
14505 ScheduleDelayedEvent(DeferredBookMove, 1);
14512 if (gameMode == Training) {
14513 SetTrainingModeOff();
14514 gameMode = PlayFromGameFile;
14515 DisplayMessage("", _("Training mode off"));
14517 gameMode = Training;
14518 animateTraining = appData.animate;
14520 /* make sure we are not already at the end of the game */
14521 if (currentMove < forwardMostMove) {
14522 SetTrainingModeOn();
14523 DisplayMessage("", _("Training mode on"));
14525 gameMode = PlayFromGameFile;
14526 DisplayError(_("Already at end of game"), 0);
14535 if (!appData.icsActive) return;
14536 switch (gameMode) {
14537 case IcsPlayingWhite:
14538 case IcsPlayingBlack:
14541 case BeginningOfGame:
14549 EditPositionDone(TRUE);
14562 gameMode = IcsIdle;
14572 switch (gameMode) {
14574 SetTrainingModeOff();
14576 case MachinePlaysWhite:
14577 case MachinePlaysBlack:
14578 case BeginningOfGame:
14579 SendToProgram("force\n", &first);
14580 SetUserThinkingEnables();
14582 case PlayFromGameFile:
14583 (void) StopLoadGameTimer();
14584 if (gameFileFP != NULL) {
14589 EditPositionDone(TRUE);
14594 SendToProgram("force\n", &first);
14596 case TwoMachinesPlay:
14597 GameEnds(EndOfFile, NULL, GE_PLAYER);
14598 ResurrectChessProgram();
14599 SetUserThinkingEnables();
14602 ResurrectChessProgram();
14604 case IcsPlayingBlack:
14605 case IcsPlayingWhite:
14606 DisplayError(_("Warning: You are still playing a game"), 0);
14609 DisplayError(_("Warning: You are still observing a game"), 0);
14612 DisplayError(_("Warning: You are still examining a game"), 0);
14623 first.offeredDraw = second.offeredDraw = 0;
14625 if (gameMode == PlayFromGameFile) {
14626 whiteTimeRemaining = timeRemaining[0][currentMove];
14627 blackTimeRemaining = timeRemaining[1][currentMove];
14631 if (gameMode == MachinePlaysWhite ||
14632 gameMode == MachinePlaysBlack ||
14633 gameMode == TwoMachinesPlay ||
14634 gameMode == EndOfGame) {
14635 i = forwardMostMove;
14636 while (i > currentMove) {
14637 SendToProgram("undo\n", &first);
14640 if(!adjustedClock) {
14641 whiteTimeRemaining = timeRemaining[0][currentMove];
14642 blackTimeRemaining = timeRemaining[1][currentMove];
14643 DisplayBothClocks();
14645 if (whiteFlag || blackFlag) {
14646 whiteFlag = blackFlag = 0;
14651 gameMode = EditGame;
14658 EditPositionEvent ()
14660 if (gameMode == EditPosition) {
14666 if (gameMode != EditGame) return;
14668 gameMode = EditPosition;
14671 if (currentMove > 0)
14672 CopyBoard(boards[0], boards[currentMove]);
14674 blackPlaysFirst = !WhiteOnMove(currentMove);
14676 currentMove = forwardMostMove = backwardMostMove = 0;
14677 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14679 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14685 /* [DM] icsEngineAnalyze - possible call from other functions */
14686 if (appData.icsEngineAnalyze) {
14687 appData.icsEngineAnalyze = FALSE;
14689 DisplayMessage("",_("Close ICS engine analyze..."));
14691 if (first.analysisSupport && first.analyzing) {
14692 SendToBoth("exit\n");
14693 first.analyzing = second.analyzing = FALSE;
14695 thinkOutput[0] = NULLCHAR;
14699 EditPositionDone (Boolean fakeRights)
14701 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14703 startedFromSetupPosition = TRUE;
14704 InitChessProgram(&first, FALSE);
14705 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14706 boards[0][EP_STATUS] = EP_NONE;
14707 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14708 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14709 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14710 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14711 } else boards[0][CASTLING][2] = NoRights;
14712 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14713 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14714 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14715 } else boards[0][CASTLING][5] = NoRights;
14716 if(gameInfo.variant == VariantSChess) {
14718 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14719 boards[0][VIRGIN][i] = 0;
14720 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14721 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14725 SendToProgram("force\n", &first);
14726 if (blackPlaysFirst) {
14727 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14728 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14729 currentMove = forwardMostMove = backwardMostMove = 1;
14730 CopyBoard(boards[1], boards[0]);
14732 currentMove = forwardMostMove = backwardMostMove = 0;
14734 SendBoard(&first, forwardMostMove);
14735 if (appData.debugMode) {
14736 fprintf(debugFP, "EditPosDone\n");
14739 DisplayMessage("", "");
14740 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14741 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14742 gameMode = EditGame;
14744 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14745 ClearHighlights(); /* [AS] */
14748 /* Pause for `ms' milliseconds */
14749 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14751 TimeDelay (long ms)
14758 } while (SubtractTimeMarks(&m2, &m1) < ms);
14761 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14763 SendMultiLineToICS (char *buf)
14765 char temp[MSG_SIZ+1], *p;
14772 strncpy(temp, buf, len);
14777 if (*p == '\n' || *p == '\r')
14782 strcat(temp, "\n");
14784 SendToPlayer(temp, strlen(temp));
14788 SetWhiteToPlayEvent ()
14790 if (gameMode == EditPosition) {
14791 blackPlaysFirst = FALSE;
14792 DisplayBothClocks(); /* works because currentMove is 0 */
14793 } else if (gameMode == IcsExamining) {
14794 SendToICS(ics_prefix);
14795 SendToICS("tomove white\n");
14800 SetBlackToPlayEvent ()
14802 if (gameMode == EditPosition) {
14803 blackPlaysFirst = TRUE;
14804 currentMove = 1; /* kludge */
14805 DisplayBothClocks();
14807 } else if (gameMode == IcsExamining) {
14808 SendToICS(ics_prefix);
14809 SendToICS("tomove black\n");
14814 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14817 ChessSquare piece = boards[0][y][x];
14818 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14819 static int lastVariant;
14821 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14823 switch (selection) {
14825 CopyBoard(currentBoard, boards[0]);
14826 CopyBoard(menuBoard, initialPosition);
14827 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14828 SendToICS(ics_prefix);
14829 SendToICS("bsetup clear\n");
14830 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14831 SendToICS(ics_prefix);
14832 SendToICS("clearboard\n");
14835 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14836 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14837 for (y = 0; y < BOARD_HEIGHT; y++) {
14838 if (gameMode == IcsExamining) {
14839 if (boards[currentMove][y][x] != EmptySquare) {
14840 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14845 if(boards[0][y][x] != p) nonEmpty++;
14846 boards[0][y][x] = p;
14849 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14851 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14852 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14853 ChessSquare p = menuBoard[0][x];
14854 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
14855 p = menuBoard[BOARD_HEIGHT-1][x];
14856 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
14858 DisplayMessage("Clicking clock again restores position", "");
14859 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
14860 if(!nonEmpty) { // asked to clear an empty board
14861 CopyBoard(boards[0], menuBoard);
14863 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
14864 CopyBoard(boards[0], initialPosition);
14866 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
14867 && !CompareBoards(nullBoard, erasedBoard)) {
14868 CopyBoard(boards[0], erasedBoard);
14870 CopyBoard(erasedBoard, currentBoard);
14874 if (gameMode == EditPosition) {
14875 DrawPosition(FALSE, boards[0]);
14880 SetWhiteToPlayEvent();
14884 SetBlackToPlayEvent();
14888 if (gameMode == IcsExamining) {
14889 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14890 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14893 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14894 if(x == BOARD_LEFT-2) {
14895 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14896 boards[0][y][1] = 0;
14898 if(x == BOARD_RGHT+1) {
14899 if(y >= gameInfo.holdingsSize) break;
14900 boards[0][y][BOARD_WIDTH-2] = 0;
14903 boards[0][y][x] = EmptySquare;
14904 DrawPosition(FALSE, boards[0]);
14909 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14910 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14911 selection = (ChessSquare) (PROMOTED piece);
14912 } else if(piece == EmptySquare) selection = WhiteSilver;
14913 else selection = (ChessSquare)((int)piece - 1);
14917 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14918 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14919 selection = (ChessSquare) (DEMOTED piece);
14920 } else if(piece == EmptySquare) selection = BlackSilver;
14921 else selection = (ChessSquare)((int)piece + 1);
14926 if(gameInfo.variant == VariantShatranj ||
14927 gameInfo.variant == VariantXiangqi ||
14928 gameInfo.variant == VariantCourier ||
14929 gameInfo.variant == VariantASEAN ||
14930 gameInfo.variant == VariantMakruk )
14931 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14936 if(gameInfo.variant == VariantXiangqi)
14937 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14938 if(gameInfo.variant == VariantKnightmate)
14939 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14942 if (gameMode == IcsExamining) {
14943 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14944 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14945 PieceToChar(selection), AAA + x, ONE + y);
14948 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14950 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14951 n = PieceToNumber(selection - BlackPawn);
14952 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14953 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14954 boards[0][BOARD_HEIGHT-1-n][1]++;
14956 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14957 n = PieceToNumber(selection);
14958 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14959 boards[0][n][BOARD_WIDTH-1] = selection;
14960 boards[0][n][BOARD_WIDTH-2]++;
14963 boards[0][y][x] = selection;
14964 DrawPosition(TRUE, boards[0]);
14966 fromX = fromY = -1;
14974 DropMenuEvent (ChessSquare selection, int x, int y)
14976 ChessMove moveType;
14978 switch (gameMode) {
14979 case IcsPlayingWhite:
14980 case MachinePlaysBlack:
14981 if (!WhiteOnMove(currentMove)) {
14982 DisplayMoveError(_("It is Black's turn"));
14985 moveType = WhiteDrop;
14987 case IcsPlayingBlack:
14988 case MachinePlaysWhite:
14989 if (WhiteOnMove(currentMove)) {
14990 DisplayMoveError(_("It is White's turn"));
14993 moveType = BlackDrop;
14996 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15002 if (moveType == BlackDrop && selection < BlackPawn) {
15003 selection = (ChessSquare) ((int) selection
15004 + (int) BlackPawn - (int) WhitePawn);
15006 if (boards[currentMove][y][x] != EmptySquare) {
15007 DisplayMoveError(_("That square is occupied"));
15011 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15017 /* Accept a pending offer of any kind from opponent */
15019 if (appData.icsActive) {
15020 SendToICS(ics_prefix);
15021 SendToICS("accept\n");
15022 } else if (cmailMsgLoaded) {
15023 if (currentMove == cmailOldMove &&
15024 commentList[cmailOldMove] != NULL &&
15025 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15026 "Black offers a draw" : "White offers a draw")) {
15028 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15029 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15031 DisplayError(_("There is no pending offer on this move"), 0);
15032 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15035 /* Not used for offers from chess program */
15042 /* Decline a pending offer of any kind from opponent */
15044 if (appData.icsActive) {
15045 SendToICS(ics_prefix);
15046 SendToICS("decline\n");
15047 } else if (cmailMsgLoaded) {
15048 if (currentMove == cmailOldMove &&
15049 commentList[cmailOldMove] != NULL &&
15050 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15051 "Black offers a draw" : "White offers a draw")) {
15053 AppendComment(cmailOldMove, "Draw declined", TRUE);
15054 DisplayComment(cmailOldMove - 1, "Draw declined");
15057 DisplayError(_("There is no pending offer on this move"), 0);
15060 /* Not used for offers from chess program */
15067 /* Issue ICS rematch command */
15068 if (appData.icsActive) {
15069 SendToICS(ics_prefix);
15070 SendToICS("rematch\n");
15077 /* Call your opponent's flag (claim a win on time) */
15078 if (appData.icsActive) {
15079 SendToICS(ics_prefix);
15080 SendToICS("flag\n");
15082 switch (gameMode) {
15085 case MachinePlaysWhite:
15088 GameEnds(GameIsDrawn, "Both players ran out of time",
15091 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15093 DisplayError(_("Your opponent is not out of time"), 0);
15096 case MachinePlaysBlack:
15099 GameEnds(GameIsDrawn, "Both players ran out of time",
15102 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15104 DisplayError(_("Your opponent is not out of time"), 0);
15112 ClockClick (int which)
15113 { // [HGM] code moved to back-end from winboard.c
15114 if(which) { // black clock
15115 if (gameMode == EditPosition || gameMode == IcsExamining) {
15116 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15117 SetBlackToPlayEvent();
15118 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15119 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15120 } else if (shiftKey) {
15121 AdjustClock(which, -1);
15122 } else if (gameMode == IcsPlayingWhite ||
15123 gameMode == MachinePlaysBlack) {
15126 } else { // white clock
15127 if (gameMode == EditPosition || gameMode == IcsExamining) {
15128 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15129 SetWhiteToPlayEvent();
15130 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15131 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15132 } else if (shiftKey) {
15133 AdjustClock(which, -1);
15134 } else if (gameMode == IcsPlayingBlack ||
15135 gameMode == MachinePlaysWhite) {
15144 /* Offer draw or accept pending draw offer from opponent */
15146 if (appData.icsActive) {
15147 /* Note: tournament rules require draw offers to be
15148 made after you make your move but before you punch
15149 your clock. Currently ICS doesn't let you do that;
15150 instead, you immediately punch your clock after making
15151 a move, but you can offer a draw at any time. */
15153 SendToICS(ics_prefix);
15154 SendToICS("draw\n");
15155 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15156 } else if (cmailMsgLoaded) {
15157 if (currentMove == cmailOldMove &&
15158 commentList[cmailOldMove] != NULL &&
15159 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15160 "Black offers a draw" : "White offers a draw")) {
15161 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15162 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15163 } else if (currentMove == cmailOldMove + 1) {
15164 char *offer = WhiteOnMove(cmailOldMove) ?
15165 "White offers a draw" : "Black offers a draw";
15166 AppendComment(currentMove, offer, TRUE);
15167 DisplayComment(currentMove - 1, offer);
15168 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15170 DisplayError(_("You must make your move before offering a draw"), 0);
15171 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15173 } else if (first.offeredDraw) {
15174 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15176 if (first.sendDrawOffers) {
15177 SendToProgram("draw\n", &first);
15178 userOfferedDraw = TRUE;
15186 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15188 if (appData.icsActive) {
15189 SendToICS(ics_prefix);
15190 SendToICS("adjourn\n");
15192 /* Currently GNU Chess doesn't offer or accept Adjourns */
15200 /* Offer Abort or accept pending Abort offer from opponent */
15202 if (appData.icsActive) {
15203 SendToICS(ics_prefix);
15204 SendToICS("abort\n");
15206 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15213 /* Resign. You can do this even if it's not your turn. */
15215 if (appData.icsActive) {
15216 SendToICS(ics_prefix);
15217 SendToICS("resign\n");
15219 switch (gameMode) {
15220 case MachinePlaysWhite:
15221 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15223 case MachinePlaysBlack:
15224 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15227 if (cmailMsgLoaded) {
15229 if (WhiteOnMove(cmailOldMove)) {
15230 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15232 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15234 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15245 StopObservingEvent ()
15247 /* Stop observing current games */
15248 SendToICS(ics_prefix);
15249 SendToICS("unobserve\n");
15253 StopExaminingEvent ()
15255 /* Stop observing current game */
15256 SendToICS(ics_prefix);
15257 SendToICS("unexamine\n");
15261 ForwardInner (int target)
15263 int limit; int oldSeekGraphUp = seekGraphUp;
15265 if (appData.debugMode)
15266 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15267 target, currentMove, forwardMostMove);
15269 if (gameMode == EditPosition)
15272 seekGraphUp = FALSE;
15273 MarkTargetSquares(1);
15275 if (gameMode == PlayFromGameFile && !pausing)
15278 if (gameMode == IcsExamining && pausing)
15279 limit = pauseExamForwardMostMove;
15281 limit = forwardMostMove;
15283 if (target > limit) target = limit;
15285 if (target > 0 && moveList[target - 1][0]) {
15286 int fromX, fromY, toX, toY;
15287 toX = moveList[target - 1][2] - AAA;
15288 toY = moveList[target - 1][3] - ONE;
15289 if (moveList[target - 1][1] == '@') {
15290 if (appData.highlightLastMove) {
15291 SetHighlights(-1, -1, toX, toY);
15294 fromX = moveList[target - 1][0] - AAA;
15295 fromY = moveList[target - 1][1] - ONE;
15296 if (target == currentMove + 1) {
15297 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15299 if (appData.highlightLastMove) {
15300 SetHighlights(fromX, fromY, toX, toY);
15304 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15305 gameMode == Training || gameMode == PlayFromGameFile ||
15306 gameMode == AnalyzeFile) {
15307 while (currentMove < target) {
15308 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15309 SendMoveToProgram(currentMove++, &first);
15312 currentMove = target;
15315 if (gameMode == EditGame || gameMode == EndOfGame) {
15316 whiteTimeRemaining = timeRemaining[0][currentMove];
15317 blackTimeRemaining = timeRemaining[1][currentMove];
15319 DisplayBothClocks();
15320 DisplayMove(currentMove - 1);
15321 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15322 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15323 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15324 DisplayComment(currentMove - 1, commentList[currentMove]);
15326 ClearMap(); // [HGM] exclude: invalidate map
15333 if (gameMode == IcsExamining && !pausing) {
15334 SendToICS(ics_prefix);
15335 SendToICS("forward\n");
15337 ForwardInner(currentMove + 1);
15344 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15345 /* to optimze, we temporarily turn off analysis mode while we feed
15346 * the remaining moves to the engine. Otherwise we get analysis output
15349 if (first.analysisSupport) {
15350 SendToProgram("exit\nforce\n", &first);
15351 first.analyzing = FALSE;
15355 if (gameMode == IcsExamining && !pausing) {
15356 SendToICS(ics_prefix);
15357 SendToICS("forward 999999\n");
15359 ForwardInner(forwardMostMove);
15362 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15363 /* we have fed all the moves, so reactivate analysis mode */
15364 SendToProgram("analyze\n", &first);
15365 first.analyzing = TRUE;
15366 /*first.maybeThinking = TRUE;*/
15367 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15372 BackwardInner (int target)
15374 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15376 if (appData.debugMode)
15377 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15378 target, currentMove, forwardMostMove);
15380 if (gameMode == EditPosition) return;
15381 seekGraphUp = FALSE;
15382 MarkTargetSquares(1);
15383 if (currentMove <= backwardMostMove) {
15385 DrawPosition(full_redraw, boards[currentMove]);
15388 if (gameMode == PlayFromGameFile && !pausing)
15391 if (moveList[target][0]) {
15392 int fromX, fromY, toX, toY;
15393 toX = moveList[target][2] - AAA;
15394 toY = moveList[target][3] - ONE;
15395 if (moveList[target][1] == '@') {
15396 if (appData.highlightLastMove) {
15397 SetHighlights(-1, -1, toX, toY);
15400 fromX = moveList[target][0] - AAA;
15401 fromY = moveList[target][1] - ONE;
15402 if (target == currentMove - 1) {
15403 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15405 if (appData.highlightLastMove) {
15406 SetHighlights(fromX, fromY, toX, toY);
15410 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15411 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15412 while (currentMove > target) {
15413 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15414 // null move cannot be undone. Reload program with move history before it.
15416 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15417 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15419 SendBoard(&first, i);
15420 if(second.analyzing) SendBoard(&second, i);
15421 for(currentMove=i; currentMove<target; currentMove++) {
15422 SendMoveToProgram(currentMove, &first);
15423 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15427 SendToBoth("undo\n");
15431 currentMove = target;
15434 if (gameMode == EditGame || gameMode == EndOfGame) {
15435 whiteTimeRemaining = timeRemaining[0][currentMove];
15436 blackTimeRemaining = timeRemaining[1][currentMove];
15438 DisplayBothClocks();
15439 DisplayMove(currentMove - 1);
15440 DrawPosition(full_redraw, boards[currentMove]);
15441 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15442 // [HGM] PV info: routine tests if comment empty
15443 DisplayComment(currentMove - 1, commentList[currentMove]);
15444 ClearMap(); // [HGM] exclude: invalidate map
15450 if (gameMode == IcsExamining && !pausing) {
15451 SendToICS(ics_prefix);
15452 SendToICS("backward\n");
15454 BackwardInner(currentMove - 1);
15461 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15462 /* to optimize, we temporarily turn off analysis mode while we undo
15463 * all the moves. Otherwise we get analysis output after each undo.
15465 if (first.analysisSupport) {
15466 SendToProgram("exit\nforce\n", &first);
15467 first.analyzing = FALSE;
15471 if (gameMode == IcsExamining && !pausing) {
15472 SendToICS(ics_prefix);
15473 SendToICS("backward 999999\n");
15475 BackwardInner(backwardMostMove);
15478 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15479 /* we have fed all the moves, so reactivate analysis mode */
15480 SendToProgram("analyze\n", &first);
15481 first.analyzing = TRUE;
15482 /*first.maybeThinking = TRUE;*/
15483 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15490 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15491 if (to >= forwardMostMove) to = forwardMostMove;
15492 if (to <= backwardMostMove) to = backwardMostMove;
15493 if (to < currentMove) {
15501 RevertEvent (Boolean annotate)
15503 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15506 if (gameMode != IcsExamining) {
15507 DisplayError(_("You are not examining a game"), 0);
15511 DisplayError(_("You can't revert while pausing"), 0);
15514 SendToICS(ics_prefix);
15515 SendToICS("revert\n");
15519 RetractMoveEvent ()
15521 switch (gameMode) {
15522 case MachinePlaysWhite:
15523 case MachinePlaysBlack:
15524 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15525 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15528 if (forwardMostMove < 2) return;
15529 currentMove = forwardMostMove = forwardMostMove - 2;
15530 whiteTimeRemaining = timeRemaining[0][currentMove];
15531 blackTimeRemaining = timeRemaining[1][currentMove];
15532 DisplayBothClocks();
15533 DisplayMove(currentMove - 1);
15534 ClearHighlights();/*!! could figure this out*/
15535 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15536 SendToProgram("remove\n", &first);
15537 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15540 case BeginningOfGame:
15544 case IcsPlayingWhite:
15545 case IcsPlayingBlack:
15546 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15547 SendToICS(ics_prefix);
15548 SendToICS("takeback 2\n");
15550 SendToICS(ics_prefix);
15551 SendToICS("takeback 1\n");
15560 ChessProgramState *cps;
15562 switch (gameMode) {
15563 case MachinePlaysWhite:
15564 if (!WhiteOnMove(forwardMostMove)) {
15565 DisplayError(_("It is your turn"), 0);
15570 case MachinePlaysBlack:
15571 if (WhiteOnMove(forwardMostMove)) {
15572 DisplayError(_("It is your turn"), 0);
15577 case TwoMachinesPlay:
15578 if (WhiteOnMove(forwardMostMove) ==
15579 (first.twoMachinesColor[0] == 'w')) {
15585 case BeginningOfGame:
15589 SendToProgram("?\n", cps);
15593 TruncateGameEvent ()
15596 if (gameMode != EditGame) return;
15603 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15604 if (forwardMostMove > currentMove) {
15605 if (gameInfo.resultDetails != NULL) {
15606 free(gameInfo.resultDetails);
15607 gameInfo.resultDetails = NULL;
15608 gameInfo.result = GameUnfinished;
15610 forwardMostMove = currentMove;
15611 HistorySet(parseList, backwardMostMove, forwardMostMove,
15619 if (appData.noChessProgram) return;
15620 switch (gameMode) {
15621 case MachinePlaysWhite:
15622 if (WhiteOnMove(forwardMostMove)) {
15623 DisplayError(_("Wait until your turn."), 0);
15627 case BeginningOfGame:
15628 case MachinePlaysBlack:
15629 if (!WhiteOnMove(forwardMostMove)) {
15630 DisplayError(_("Wait until your turn."), 0);
15635 DisplayError(_("No hint available"), 0);
15638 SendToProgram("hint\n", &first);
15639 hintRequested = TRUE;
15645 ListGame * lg = (ListGame *) gameList.head;
15648 static int secondTime = FALSE;
15650 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15651 DisplayError(_("Game list not loaded or empty"), 0);
15655 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15658 DisplayNote(_("Book file exists! Try again for overwrite."));
15662 creatingBook = TRUE;
15663 secondTime = FALSE;
15665 /* Get list size */
15666 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15667 LoadGame(f, nItem, "", TRUE);
15668 AddGameToBook(TRUE);
15669 lg = (ListGame *) lg->node.succ;
15672 creatingBook = FALSE;
15679 if (appData.noChessProgram) return;
15680 switch (gameMode) {
15681 case MachinePlaysWhite:
15682 if (WhiteOnMove(forwardMostMove)) {
15683 DisplayError(_("Wait until your turn."), 0);
15687 case BeginningOfGame:
15688 case MachinePlaysBlack:
15689 if (!WhiteOnMove(forwardMostMove)) {
15690 DisplayError(_("Wait until your turn."), 0);
15695 EditPositionDone(TRUE);
15697 case TwoMachinesPlay:
15702 SendToProgram("bk\n", &first);
15703 bookOutput[0] = NULLCHAR;
15704 bookRequested = TRUE;
15710 char *tags = PGNTags(&gameInfo);
15711 TagsPopUp(tags, CmailMsg());
15715 /* end button procedures */
15718 PrintPosition (FILE *fp, int move)
15722 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15723 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15724 char c = PieceToChar(boards[move][i][j]);
15725 fputc(c == 'x' ? '.' : c, fp);
15726 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15729 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15730 fprintf(fp, "white to play\n");
15732 fprintf(fp, "black to play\n");
15736 PrintOpponents (FILE *fp)
15738 if (gameInfo.white != NULL) {
15739 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15745 /* Find last component of program's own name, using some heuristics */
15747 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15750 int local = (strcmp(host, "localhost") == 0);
15751 while (!local && (p = strchr(prog, ';')) != NULL) {
15753 while (*p == ' ') p++;
15756 if (*prog == '"' || *prog == '\'') {
15757 q = strchr(prog + 1, *prog);
15759 q = strchr(prog, ' ');
15761 if (q == NULL) q = prog + strlen(prog);
15763 while (p >= prog && *p != '/' && *p != '\\') p--;
15765 if(p == prog && *p == '"') p++;
15767 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15768 memcpy(buf, p, q - p);
15769 buf[q - p] = NULLCHAR;
15777 TimeControlTagValue ()
15780 if (!appData.clockMode) {
15781 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15782 } else if (movesPerSession > 0) {
15783 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15784 } else if (timeIncrement == 0) {
15785 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15787 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15789 return StrSave(buf);
15795 /* This routine is used only for certain modes */
15796 VariantClass v = gameInfo.variant;
15797 ChessMove r = GameUnfinished;
15800 if(keepInfo) return;
15802 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15803 r = gameInfo.result;
15804 p = gameInfo.resultDetails;
15805 gameInfo.resultDetails = NULL;
15807 ClearGameInfo(&gameInfo);
15808 gameInfo.variant = v;
15810 switch (gameMode) {
15811 case MachinePlaysWhite:
15812 gameInfo.event = StrSave( appData.pgnEventHeader );
15813 gameInfo.site = StrSave(HostName());
15814 gameInfo.date = PGNDate();
15815 gameInfo.round = StrSave("-");
15816 gameInfo.white = StrSave(first.tidy);
15817 gameInfo.black = StrSave(UserName());
15818 gameInfo.timeControl = TimeControlTagValue();
15821 case MachinePlaysBlack:
15822 gameInfo.event = StrSave( appData.pgnEventHeader );
15823 gameInfo.site = StrSave(HostName());
15824 gameInfo.date = PGNDate();
15825 gameInfo.round = StrSave("-");
15826 gameInfo.white = StrSave(UserName());
15827 gameInfo.black = StrSave(first.tidy);
15828 gameInfo.timeControl = TimeControlTagValue();
15831 case TwoMachinesPlay:
15832 gameInfo.event = StrSave( appData.pgnEventHeader );
15833 gameInfo.site = StrSave(HostName());
15834 gameInfo.date = PGNDate();
15837 snprintf(buf, MSG_SIZ, "%d", roundNr);
15838 gameInfo.round = StrSave(buf);
15840 gameInfo.round = StrSave("-");
15842 if (first.twoMachinesColor[0] == 'w') {
15843 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15844 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15846 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15847 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15849 gameInfo.timeControl = TimeControlTagValue();
15853 gameInfo.event = StrSave("Edited game");
15854 gameInfo.site = StrSave(HostName());
15855 gameInfo.date = PGNDate();
15856 gameInfo.round = StrSave("-");
15857 gameInfo.white = StrSave("-");
15858 gameInfo.black = StrSave("-");
15859 gameInfo.result = r;
15860 gameInfo.resultDetails = p;
15864 gameInfo.event = StrSave("Edited position");
15865 gameInfo.site = StrSave(HostName());
15866 gameInfo.date = PGNDate();
15867 gameInfo.round = StrSave("-");
15868 gameInfo.white = StrSave("-");
15869 gameInfo.black = StrSave("-");
15872 case IcsPlayingWhite:
15873 case IcsPlayingBlack:
15878 case PlayFromGameFile:
15879 gameInfo.event = StrSave("Game from non-PGN file");
15880 gameInfo.site = StrSave(HostName());
15881 gameInfo.date = PGNDate();
15882 gameInfo.round = StrSave("-");
15883 gameInfo.white = StrSave("?");
15884 gameInfo.black = StrSave("?");
15893 ReplaceComment (int index, char *text)
15899 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15900 pvInfoList[index-1].depth == len &&
15901 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15902 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15903 while (*text == '\n') text++;
15904 len = strlen(text);
15905 while (len > 0 && text[len - 1] == '\n') len--;
15907 if (commentList[index] != NULL)
15908 free(commentList[index]);
15911 commentList[index] = NULL;
15914 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15915 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15916 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15917 commentList[index] = (char *) malloc(len + 2);
15918 strncpy(commentList[index], text, len);
15919 commentList[index][len] = '\n';
15920 commentList[index][len + 1] = NULLCHAR;
15922 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15924 commentList[index] = (char *) malloc(len + 7);
15925 safeStrCpy(commentList[index], "{\n", 3);
15926 safeStrCpy(commentList[index]+2, text, len+1);
15927 commentList[index][len+2] = NULLCHAR;
15928 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15929 strcat(commentList[index], "\n}\n");
15934 CrushCRs (char *text)
15942 if (ch == '\r') continue;
15944 } while (ch != '\0');
15948 AppendComment (int index, char *text, Boolean addBraces)
15949 /* addBraces tells if we should add {} */
15954 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15955 if(addBraces == 3) addBraces = 0; else // force appending literally
15956 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15959 while (*text == '\n') text++;
15960 len = strlen(text);
15961 while (len > 0 && text[len - 1] == '\n') len--;
15962 text[len] = NULLCHAR;
15964 if (len == 0) return;
15966 if (commentList[index] != NULL) {
15967 Boolean addClosingBrace = addBraces;
15968 old = commentList[index];
15969 oldlen = strlen(old);
15970 while(commentList[index][oldlen-1] == '\n')
15971 commentList[index][--oldlen] = NULLCHAR;
15972 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15973 safeStrCpy(commentList[index], old, oldlen + len + 6);
15975 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15976 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15977 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15978 while (*text == '\n') { text++; len--; }
15979 commentList[index][--oldlen] = NULLCHAR;
15981 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15982 else strcat(commentList[index], "\n");
15983 strcat(commentList[index], text);
15984 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15985 else strcat(commentList[index], "\n");
15987 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15989 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15990 else commentList[index][0] = NULLCHAR;
15991 strcat(commentList[index], text);
15992 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15993 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15998 FindStr (char * text, char * sub_text)
16000 char * result = strstr( text, sub_text );
16002 if( result != NULL ) {
16003 result += strlen( sub_text );
16009 /* [AS] Try to extract PV info from PGN comment */
16010 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16012 GetInfoFromComment (int index, char * text)
16014 char * sep = text, *p;
16016 if( text != NULL && index > 0 ) {
16019 int time = -1, sec = 0, deci;
16020 char * s_eval = FindStr( text, "[%eval " );
16021 char * s_emt = FindStr( text, "[%emt " );
16023 if( s_eval != NULL || s_emt != NULL ) {
16025 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16030 if( s_eval != NULL ) {
16031 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16035 if( delim != ']' ) {
16040 if( s_emt != NULL ) {
16045 /* We expect something like: [+|-]nnn.nn/dd */
16048 if(*text != '{') return text; // [HGM] braces: must be normal comment
16050 sep = strchr( text, '/' );
16051 if( sep == NULL || sep < (text+4) ) {
16056 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16057 if(p[1] == '(') { // comment starts with PV
16058 p = strchr(p, ')'); // locate end of PV
16059 if(p == NULL || sep < p+5) return text;
16060 // at this point we have something like "{(.*) +0.23/6 ..."
16061 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16062 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16063 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16065 time = -1; sec = -1; deci = -1;
16066 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16067 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16068 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16069 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16073 if( score_lo < 0 || score_lo >= 100 ) {
16077 if(sec >= 0) time = 600*time + 10*sec; else
16078 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16080 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16082 /* [HGM] PV time: now locate end of PV info */
16083 while( *++sep >= '0' && *sep <= '9'); // strip depth
16085 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16087 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16089 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16090 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16101 pvInfoList[index-1].depth = depth;
16102 pvInfoList[index-1].score = score;
16103 pvInfoList[index-1].time = 10*time; // centi-sec
16104 if(*sep == '}') *sep = 0; else *--sep = '{';
16105 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16111 SendToProgram (char *message, ChessProgramState *cps)
16113 int count, outCount, error;
16116 if (cps->pr == NoProc) return;
16119 if (appData.debugMode) {
16122 fprintf(debugFP, "%ld >%-6s: %s",
16123 SubtractTimeMarks(&now, &programStartTime),
16124 cps->which, message);
16126 fprintf(serverFP, "%ld >%-6s: %s",
16127 SubtractTimeMarks(&now, &programStartTime),
16128 cps->which, message), fflush(serverFP);
16131 count = strlen(message);
16132 outCount = OutputToProcess(cps->pr, message, count, &error);
16133 if (outCount < count && !exiting
16134 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16135 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16136 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16137 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16138 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16139 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16140 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16141 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16143 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16144 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16145 gameInfo.result = res;
16147 gameInfo.resultDetails = StrSave(buf);
16149 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16150 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16155 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16159 ChessProgramState *cps = (ChessProgramState *)closure;
16161 if (isr != cps->isr) return; /* Killed intentionally */
16164 RemoveInputSource(cps->isr);
16165 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16166 _(cps->which), cps->program);
16167 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16168 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16169 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16170 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16171 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16172 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16174 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16175 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16176 gameInfo.result = res;
16178 gameInfo.resultDetails = StrSave(buf);
16180 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16181 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16183 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16184 _(cps->which), cps->program);
16185 RemoveInputSource(cps->isr);
16187 /* [AS] Program is misbehaving badly... kill it */
16188 if( count == -2 ) {
16189 DestroyChildProcess( cps->pr, 9 );
16193 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16198 if ((end_str = strchr(message, '\r')) != NULL)
16199 *end_str = NULLCHAR;
16200 if ((end_str = strchr(message, '\n')) != NULL)
16201 *end_str = NULLCHAR;
16203 if (appData.debugMode) {
16204 TimeMark now; int print = 1;
16205 char *quote = ""; char c; int i;
16207 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16208 char start = message[0];
16209 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16210 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16211 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16212 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16213 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16214 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16215 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16216 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16217 sscanf(message, "hint: %c", &c)!=1 &&
16218 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16219 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16220 print = (appData.engineComments >= 2);
16222 message[0] = start; // restore original message
16226 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16227 SubtractTimeMarks(&now, &programStartTime), cps->which,
16231 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16232 SubtractTimeMarks(&now, &programStartTime), cps->which,
16234 message), fflush(serverFP);
16238 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16239 if (appData.icsEngineAnalyze) {
16240 if (strstr(message, "whisper") != NULL ||
16241 strstr(message, "kibitz") != NULL ||
16242 strstr(message, "tellics") != NULL) return;
16245 HandleMachineMove(message, cps);
16250 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16255 if( timeControl_2 > 0 ) {
16256 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16257 tc = timeControl_2;
16260 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16261 inc /= cps->timeOdds;
16262 st /= cps->timeOdds;
16264 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16267 /* Set exact time per move, normally using st command */
16268 if (cps->stKludge) {
16269 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16271 if (seconds == 0) {
16272 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16274 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16277 snprintf(buf, MSG_SIZ, "st %d\n", st);
16280 /* Set conventional or incremental time control, using level command */
16281 if (seconds == 0) {
16282 /* Note old gnuchess bug -- minutes:seconds used to not work.
16283 Fixed in later versions, but still avoid :seconds
16284 when seconds is 0. */
16285 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16287 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16288 seconds, inc/1000.);
16291 SendToProgram(buf, cps);
16293 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16294 /* Orthogonally, limit search to given depth */
16296 if (cps->sdKludge) {
16297 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16299 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16301 SendToProgram(buf, cps);
16304 if(cps->nps >= 0) { /* [HGM] nps */
16305 if(cps->supportsNPS == FALSE)
16306 cps->nps = -1; // don't use if engine explicitly says not supported!
16308 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16309 SendToProgram(buf, cps);
16314 ChessProgramState *
16316 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16318 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16319 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16325 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16327 char message[MSG_SIZ];
16330 /* Note: this routine must be called when the clocks are stopped
16331 or when they have *just* been set or switched; otherwise
16332 it will be off by the time since the current tick started.
16334 if (machineWhite) {
16335 time = whiteTimeRemaining / 10;
16336 otime = blackTimeRemaining / 10;
16338 time = blackTimeRemaining / 10;
16339 otime = whiteTimeRemaining / 10;
16341 /* [HGM] translate opponent's time by time-odds factor */
16342 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16344 if (time <= 0) time = 1;
16345 if (otime <= 0) otime = 1;
16347 snprintf(message, MSG_SIZ, "time %ld\n", time);
16348 SendToProgram(message, cps);
16350 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16351 SendToProgram(message, cps);
16355 EngineDefinedVariant (ChessProgramState *cps, int n)
16356 { // return name of n-th unknown variant that engine supports
16357 static char buf[MSG_SIZ];
16358 char *p, *s = cps->variants;
16359 if(!s) return NULL;
16360 do { // parse string from variants feature
16362 p = strchr(s, ',');
16363 if(p) *p = NULLCHAR;
16364 v = StringToVariant(s);
16365 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16366 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16367 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16370 if(n < 0) return buf;
16376 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16379 int len = strlen(name);
16382 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16384 sscanf(*p, "%d", &val);
16386 while (**p && **p != ' ')
16388 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16389 SendToProgram(buf, cps);
16396 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16399 int len = strlen(name);
16400 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16402 sscanf(*p, "%d", loc);
16403 while (**p && **p != ' ') (*p)++;
16404 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16405 SendToProgram(buf, cps);
16412 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16415 int len = strlen(name);
16416 if (strncmp((*p), name, len) == 0
16417 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16419 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16420 sscanf(*p, "%[^\"]", *loc);
16421 while (**p && **p != '\"') (*p)++;
16422 if (**p == '\"') (*p)++;
16423 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16424 SendToProgram(buf, cps);
16431 ParseOption (Option *opt, ChessProgramState *cps)
16432 // [HGM] options: process the string that defines an engine option, and determine
16433 // name, type, default value, and allowed value range
16435 char *p, *q, buf[MSG_SIZ];
16436 int n, min = (-1)<<31, max = 1<<31, def;
16438 if(p = strstr(opt->name, " -spin ")) {
16439 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16440 if(max < min) max = min; // enforce consistency
16441 if(def < min) def = min;
16442 if(def > max) def = max;
16447 } else if((p = strstr(opt->name, " -slider "))) {
16448 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16449 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16450 if(max < min) max = min; // enforce consistency
16451 if(def < min) def = min;
16452 if(def > max) def = max;
16456 opt->type = Spin; // Slider;
16457 } else if((p = strstr(opt->name, " -string "))) {
16458 opt->textValue = p+9;
16459 opt->type = TextBox;
16460 } else if((p = strstr(opt->name, " -file "))) {
16461 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16462 opt->textValue = p+7;
16463 opt->type = FileName; // FileName;
16464 } else if((p = strstr(opt->name, " -path "))) {
16465 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16466 opt->textValue = p+7;
16467 opt->type = PathName; // PathName;
16468 } else if(p = strstr(opt->name, " -check ")) {
16469 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16470 opt->value = (def != 0);
16471 opt->type = CheckBox;
16472 } else if(p = strstr(opt->name, " -combo ")) {
16473 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16474 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16475 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16476 opt->value = n = 0;
16477 while(q = StrStr(q, " /// ")) {
16478 n++; *q = 0; // count choices, and null-terminate each of them
16480 if(*q == '*') { // remember default, which is marked with * prefix
16484 cps->comboList[cps->comboCnt++] = q;
16486 cps->comboList[cps->comboCnt++] = NULL;
16488 opt->type = ComboBox;
16489 } else if(p = strstr(opt->name, " -button")) {
16490 opt->type = Button;
16491 } else if(p = strstr(opt->name, " -save")) {
16492 opt->type = SaveButton;
16493 } else return FALSE;
16494 *p = 0; // terminate option name
16495 // now look if the command-line options define a setting for this engine option.
16496 if(cps->optionSettings && cps->optionSettings[0])
16497 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16498 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16499 snprintf(buf, MSG_SIZ, "option %s", p);
16500 if(p = strstr(buf, ",")) *p = 0;
16501 if(q = strchr(buf, '=')) switch(opt->type) {
16503 for(n=0; n<opt->max; n++)
16504 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16507 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16511 opt->value = atoi(q+1);
16516 SendToProgram(buf, cps);
16522 FeatureDone (ChessProgramState *cps, int val)
16524 DelayedEventCallback cb = GetDelayedEvent();
16525 if ((cb == InitBackEnd3 && cps == &first) ||
16526 (cb == SettingsMenuIfReady && cps == &second) ||
16527 (cb == LoadEngine) ||
16528 (cb == TwoMachinesEventIfReady)) {
16529 CancelDelayedEvent();
16530 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16532 cps->initDone = val;
16533 if(val) cps->reload = FALSE;
16536 /* Parse feature command from engine */
16538 ParseFeatures (char *args, ChessProgramState *cps)
16546 while (*p == ' ') p++;
16547 if (*p == NULLCHAR) return;
16549 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16550 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16551 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16552 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16553 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16554 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16555 if (BoolFeature(&p, "reuse", &val, cps)) {
16556 /* Engine can disable reuse, but can't enable it if user said no */
16557 if (!val) cps->reuse = FALSE;
16560 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16561 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16562 if (gameMode == TwoMachinesPlay) {
16563 DisplayTwoMachinesTitle();
16569 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16570 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16571 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16572 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16573 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16574 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16575 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16576 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16577 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16578 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16579 if (IntFeature(&p, "done", &val, cps)) {
16580 FeatureDone(cps, val);
16583 /* Added by Tord: */
16584 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16585 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16586 /* End of additions by Tord */
16588 /* [HGM] added features: */
16589 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16590 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16591 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16592 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16593 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16594 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16595 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16596 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16597 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16598 FREE(cps->option[cps->nrOptions].name);
16599 cps->option[cps->nrOptions].name = q; q = NULL;
16600 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16601 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16602 SendToProgram(buf, cps);
16605 if(cps->nrOptions >= MAX_OPTIONS) {
16607 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16608 DisplayError(buf, 0);
16612 /* End of additions by HGM */
16614 /* unknown feature: complain and skip */
16616 while (*q && *q != '=') q++;
16617 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16618 SendToProgram(buf, cps);
16624 while (*p && *p != '\"') p++;
16625 if (*p == '\"') p++;
16627 while (*p && *p != ' ') p++;
16635 PeriodicUpdatesEvent (int newState)
16637 if (newState == appData.periodicUpdates)
16640 appData.periodicUpdates=newState;
16642 /* Display type changes, so update it now */
16643 // DisplayAnalysis();
16645 /* Get the ball rolling again... */
16647 AnalysisPeriodicEvent(1);
16648 StartAnalysisClock();
16653 PonderNextMoveEvent (int newState)
16655 if (newState == appData.ponderNextMove) return;
16656 if (gameMode == EditPosition) EditPositionDone(TRUE);
16658 SendToProgram("hard\n", &first);
16659 if (gameMode == TwoMachinesPlay) {
16660 SendToProgram("hard\n", &second);
16663 SendToProgram("easy\n", &first);
16664 thinkOutput[0] = NULLCHAR;
16665 if (gameMode == TwoMachinesPlay) {
16666 SendToProgram("easy\n", &second);
16669 appData.ponderNextMove = newState;
16673 NewSettingEvent (int option, int *feature, char *command, int value)
16677 if (gameMode == EditPosition) EditPositionDone(TRUE);
16678 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16679 if(feature == NULL || *feature) SendToProgram(buf, &first);
16680 if (gameMode == TwoMachinesPlay) {
16681 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16686 ShowThinkingEvent ()
16687 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16689 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16690 int newState = appData.showThinking
16691 // [HGM] thinking: other features now need thinking output as well
16692 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16694 if (oldState == newState) return;
16695 oldState = newState;
16696 if (gameMode == EditPosition) EditPositionDone(TRUE);
16698 SendToProgram("post\n", &first);
16699 if (gameMode == TwoMachinesPlay) {
16700 SendToProgram("post\n", &second);
16703 SendToProgram("nopost\n", &first);
16704 thinkOutput[0] = NULLCHAR;
16705 if (gameMode == TwoMachinesPlay) {
16706 SendToProgram("nopost\n", &second);
16709 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16713 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16715 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16716 if (pr == NoProc) return;
16717 AskQuestion(title, question, replyPrefix, pr);
16721 TypeInEvent (char firstChar)
16723 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16724 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16725 gameMode == AnalyzeMode || gameMode == EditGame ||
16726 gameMode == EditPosition || gameMode == IcsExamining ||
16727 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16728 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16729 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16730 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16731 gameMode == Training) PopUpMoveDialog(firstChar);
16735 TypeInDoneEvent (char *move)
16738 int n, fromX, fromY, toX, toY;
16740 ChessMove moveType;
16743 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16744 EditPositionPasteFEN(move);
16747 // [HGM] movenum: allow move number to be typed in any mode
16748 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16752 // undocumented kludge: allow command-line option to be typed in!
16753 // (potentially fatal, and does not implement the effect of the option.)
16754 // should only be used for options that are values on which future decisions will be made,
16755 // and definitely not on options that would be used during initialization.
16756 if(strstr(move, "!!! -") == move) {
16757 ParseArgsFromString(move+4);
16761 if (gameMode != EditGame && currentMove != forwardMostMove &&
16762 gameMode != Training) {
16763 DisplayMoveError(_("Displayed move is not current"));
16765 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16766 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16767 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16768 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16769 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16770 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16772 DisplayMoveError(_("Could not parse move"));
16778 DisplayMove (int moveNumber)
16780 char message[MSG_SIZ];
16782 char cpThinkOutput[MSG_SIZ];
16784 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16786 if (moveNumber == forwardMostMove - 1 ||
16787 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16789 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16791 if (strchr(cpThinkOutput, '\n')) {
16792 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16795 *cpThinkOutput = NULLCHAR;
16798 /* [AS] Hide thinking from human user */
16799 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16800 *cpThinkOutput = NULLCHAR;
16801 if( thinkOutput[0] != NULLCHAR ) {
16804 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16805 cpThinkOutput[i] = '.';
16807 cpThinkOutput[i] = NULLCHAR;
16808 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16812 if (moveNumber == forwardMostMove - 1 &&
16813 gameInfo.resultDetails != NULL) {
16814 if (gameInfo.resultDetails[0] == NULLCHAR) {
16815 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16817 snprintf(res, MSG_SIZ, " {%s} %s",
16818 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16824 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16825 DisplayMessage(res, cpThinkOutput);
16827 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16828 WhiteOnMove(moveNumber) ? " " : ".. ",
16829 parseList[moveNumber], res);
16830 DisplayMessage(message, cpThinkOutput);
16835 DisplayComment (int moveNumber, char *text)
16837 char title[MSG_SIZ];
16839 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16840 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16842 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16843 WhiteOnMove(moveNumber) ? " " : ".. ",
16844 parseList[moveNumber]);
16846 if (text != NULL && (appData.autoDisplayComment || commentUp))
16847 CommentPopUp(title, text);
16850 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16851 * might be busy thinking or pondering. It can be omitted if your
16852 * gnuchess is configured to stop thinking immediately on any user
16853 * input. However, that gnuchess feature depends on the FIONREAD
16854 * ioctl, which does not work properly on some flavors of Unix.
16857 Attention (ChessProgramState *cps)
16860 if (!cps->useSigint) return;
16861 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16862 switch (gameMode) {
16863 case MachinePlaysWhite:
16864 case MachinePlaysBlack:
16865 case TwoMachinesPlay:
16866 case IcsPlayingWhite:
16867 case IcsPlayingBlack:
16870 /* Skip if we know it isn't thinking */
16871 if (!cps->maybeThinking) return;
16872 if (appData.debugMode)
16873 fprintf(debugFP, "Interrupting %s\n", cps->which);
16874 InterruptChildProcess(cps->pr);
16875 cps->maybeThinking = FALSE;
16880 #endif /*ATTENTION*/
16886 if (whiteTimeRemaining <= 0) {
16889 if (appData.icsActive) {
16890 if (appData.autoCallFlag &&
16891 gameMode == IcsPlayingBlack && !blackFlag) {
16892 SendToICS(ics_prefix);
16893 SendToICS("flag\n");
16897 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16899 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16900 if (appData.autoCallFlag) {
16901 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16908 if (blackTimeRemaining <= 0) {
16911 if (appData.icsActive) {
16912 if (appData.autoCallFlag &&
16913 gameMode == IcsPlayingWhite && !whiteFlag) {
16914 SendToICS(ics_prefix);
16915 SendToICS("flag\n");
16919 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16921 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16922 if (appData.autoCallFlag) {
16923 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16934 CheckTimeControl ()
16936 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16937 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16940 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16942 if ( !WhiteOnMove(forwardMostMove) ) {
16943 /* White made time control */
16944 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16945 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16946 /* [HGM] time odds: correct new time quota for time odds! */
16947 / WhitePlayer()->timeOdds;
16948 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16950 lastBlack -= blackTimeRemaining;
16951 /* Black made time control */
16952 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16953 / WhitePlayer()->other->timeOdds;
16954 lastWhite = whiteTimeRemaining;
16959 DisplayBothClocks ()
16961 int wom = gameMode == EditPosition ?
16962 !blackPlaysFirst : WhiteOnMove(currentMove);
16963 DisplayWhiteClock(whiteTimeRemaining, wom);
16964 DisplayBlackClock(blackTimeRemaining, !wom);
16968 /* Timekeeping seems to be a portability nightmare. I think everyone
16969 has ftime(), but I'm really not sure, so I'm including some ifdefs
16970 to use other calls if you don't. Clocks will be less accurate if
16971 you have neither ftime nor gettimeofday.
16974 /* VS 2008 requires the #include outside of the function */
16975 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16976 #include <sys/timeb.h>
16979 /* Get the current time as a TimeMark */
16981 GetTimeMark (TimeMark *tm)
16983 #if HAVE_GETTIMEOFDAY
16985 struct timeval timeVal;
16986 struct timezone timeZone;
16988 gettimeofday(&timeVal, &timeZone);
16989 tm->sec = (long) timeVal.tv_sec;
16990 tm->ms = (int) (timeVal.tv_usec / 1000L);
16992 #else /*!HAVE_GETTIMEOFDAY*/
16995 // include <sys/timeb.h> / moved to just above start of function
16996 struct timeb timeB;
16999 tm->sec = (long) timeB.time;
17000 tm->ms = (int) timeB.millitm;
17002 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17003 tm->sec = (long) time(NULL);
17009 /* Return the difference in milliseconds between two
17010 time marks. We assume the difference will fit in a long!
17013 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17015 return 1000L*(tm2->sec - tm1->sec) +
17016 (long) (tm2->ms - tm1->ms);
17021 * Code to manage the game clocks.
17023 * In tournament play, black starts the clock and then white makes a move.
17024 * We give the human user a slight advantage if he is playing white---the
17025 * clocks don't run until he makes his first move, so it takes zero time.
17026 * Also, we don't account for network lag, so we could get out of sync
17027 * with GNU Chess's clock -- but then, referees are always right.
17030 static TimeMark tickStartTM;
17031 static long intendedTickLength;
17034 NextTickLength (long timeRemaining)
17036 long nominalTickLength, nextTickLength;
17038 if (timeRemaining > 0L && timeRemaining <= 10000L)
17039 nominalTickLength = 100L;
17041 nominalTickLength = 1000L;
17042 nextTickLength = timeRemaining % nominalTickLength;
17043 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17045 return nextTickLength;
17048 /* Adjust clock one minute up or down */
17050 AdjustClock (Boolean which, int dir)
17052 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17053 if(which) blackTimeRemaining += 60000*dir;
17054 else whiteTimeRemaining += 60000*dir;
17055 DisplayBothClocks();
17056 adjustedClock = TRUE;
17059 /* Stop clocks and reset to a fresh time control */
17063 (void) StopClockTimer();
17064 if (appData.icsActive) {
17065 whiteTimeRemaining = blackTimeRemaining = 0;
17066 } else if (searchTime) {
17067 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17068 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17069 } else { /* [HGM] correct new time quote for time odds */
17070 whiteTC = blackTC = fullTimeControlString;
17071 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17072 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17074 if (whiteFlag || blackFlag) {
17076 whiteFlag = blackFlag = FALSE;
17078 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17079 DisplayBothClocks();
17080 adjustedClock = FALSE;
17083 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17085 /* Decrement running clock by amount of time that has passed */
17089 long timeRemaining;
17090 long lastTickLength, fudge;
17093 if (!appData.clockMode) return;
17094 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17098 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17100 /* Fudge if we woke up a little too soon */
17101 fudge = intendedTickLength - lastTickLength;
17102 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17104 if (WhiteOnMove(forwardMostMove)) {
17105 if(whiteNPS >= 0) lastTickLength = 0;
17106 timeRemaining = whiteTimeRemaining -= lastTickLength;
17107 if(timeRemaining < 0 && !appData.icsActive) {
17108 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17109 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17110 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17111 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17114 DisplayWhiteClock(whiteTimeRemaining - fudge,
17115 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17117 if(blackNPS >= 0) lastTickLength = 0;
17118 timeRemaining = blackTimeRemaining -= lastTickLength;
17119 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17120 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17122 blackStartMove = forwardMostMove;
17123 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17126 DisplayBlackClock(blackTimeRemaining - fudge,
17127 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17129 if (CheckFlags()) return;
17131 if(twoBoards) { // count down secondary board's clocks as well
17132 activePartnerTime -= lastTickLength;
17134 if(activePartner == 'W')
17135 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17137 DisplayBlackClock(activePartnerTime, TRUE);
17142 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17143 StartClockTimer(intendedTickLength);
17145 /* if the time remaining has fallen below the alarm threshold, sound the
17146 * alarm. if the alarm has sounded and (due to a takeback or time control
17147 * with increment) the time remaining has increased to a level above the
17148 * threshold, reset the alarm so it can sound again.
17151 if (appData.icsActive && appData.icsAlarm) {
17153 /* make sure we are dealing with the user's clock */
17154 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17155 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17158 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17159 alarmSounded = FALSE;
17160 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17162 alarmSounded = TRUE;
17168 /* A player has just moved, so stop the previously running
17169 clock and (if in clock mode) start the other one.
17170 We redisplay both clocks in case we're in ICS mode, because
17171 ICS gives us an update to both clocks after every move.
17172 Note that this routine is called *after* forwardMostMove
17173 is updated, so the last fractional tick must be subtracted
17174 from the color that is *not* on move now.
17177 SwitchClocks (int newMoveNr)
17179 long lastTickLength;
17181 int flagged = FALSE;
17185 if (StopClockTimer() && appData.clockMode) {
17186 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17187 if (!WhiteOnMove(forwardMostMove)) {
17188 if(blackNPS >= 0) lastTickLength = 0;
17189 blackTimeRemaining -= lastTickLength;
17190 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17191 // if(pvInfoList[forwardMostMove].time == -1)
17192 pvInfoList[forwardMostMove].time = // use GUI time
17193 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17195 if(whiteNPS >= 0) lastTickLength = 0;
17196 whiteTimeRemaining -= lastTickLength;
17197 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17198 // if(pvInfoList[forwardMostMove].time == -1)
17199 pvInfoList[forwardMostMove].time =
17200 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17202 flagged = CheckFlags();
17204 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17205 CheckTimeControl();
17207 if (flagged || !appData.clockMode) return;
17209 switch (gameMode) {
17210 case MachinePlaysBlack:
17211 case MachinePlaysWhite:
17212 case BeginningOfGame:
17213 if (pausing) return;
17217 case PlayFromGameFile:
17225 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17226 if(WhiteOnMove(forwardMostMove))
17227 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17228 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17232 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17233 whiteTimeRemaining : blackTimeRemaining);
17234 StartClockTimer(intendedTickLength);
17238 /* Stop both clocks */
17242 long lastTickLength;
17245 if (!StopClockTimer()) return;
17246 if (!appData.clockMode) return;
17250 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17251 if (WhiteOnMove(forwardMostMove)) {
17252 if(whiteNPS >= 0) lastTickLength = 0;
17253 whiteTimeRemaining -= lastTickLength;
17254 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17256 if(blackNPS >= 0) lastTickLength = 0;
17257 blackTimeRemaining -= lastTickLength;
17258 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17263 /* Start clock of player on move. Time may have been reset, so
17264 if clock is already running, stop and restart it. */
17268 (void) StopClockTimer(); /* in case it was running already */
17269 DisplayBothClocks();
17270 if (CheckFlags()) return;
17272 if (!appData.clockMode) return;
17273 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17275 GetTimeMark(&tickStartTM);
17276 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17277 whiteTimeRemaining : blackTimeRemaining);
17279 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17280 whiteNPS = blackNPS = -1;
17281 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17282 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17283 whiteNPS = first.nps;
17284 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17285 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17286 blackNPS = first.nps;
17287 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17288 whiteNPS = second.nps;
17289 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17290 blackNPS = second.nps;
17291 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17293 StartClockTimer(intendedTickLength);
17297 TimeString (long ms)
17299 long second, minute, hour, day;
17301 static char buf[32];
17303 if (ms > 0 && ms <= 9900) {
17304 /* convert milliseconds to tenths, rounding up */
17305 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17307 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17311 /* convert milliseconds to seconds, rounding up */
17312 /* use floating point to avoid strangeness of integer division
17313 with negative dividends on many machines */
17314 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17321 day = second / (60 * 60 * 24);
17322 second = second % (60 * 60 * 24);
17323 hour = second / (60 * 60);
17324 second = second % (60 * 60);
17325 minute = second / 60;
17326 second = second % 60;
17329 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17330 sign, day, hour, minute, second);
17332 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17334 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17341 * This is necessary because some C libraries aren't ANSI C compliant yet.
17344 StrStr (char *string, char *match)
17348 length = strlen(match);
17350 for (i = strlen(string) - length; i >= 0; i--, string++)
17351 if (!strncmp(match, string, length))
17358 StrCaseStr (char *string, char *match)
17362 length = strlen(match);
17364 for (i = strlen(string) - length; i >= 0; i--, string++) {
17365 for (j = 0; j < length; j++) {
17366 if (ToLower(match[j]) != ToLower(string[j]))
17369 if (j == length) return string;
17377 StrCaseCmp (char *s1, char *s2)
17382 c1 = ToLower(*s1++);
17383 c2 = ToLower(*s2++);
17384 if (c1 > c2) return 1;
17385 if (c1 < c2) return -1;
17386 if (c1 == NULLCHAR) return 0;
17394 return isupper(c) ? tolower(c) : c;
17401 return islower(c) ? toupper(c) : c;
17403 #endif /* !_amigados */
17410 if ((ret = (char *) malloc(strlen(s) + 1)))
17412 safeStrCpy(ret, s, strlen(s)+1);
17418 StrSavePtr (char *s, char **savePtr)
17423 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17424 safeStrCpy(*savePtr, s, strlen(s)+1);
17436 clock = time((time_t *)NULL);
17437 tm = localtime(&clock);
17438 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17439 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17440 return StrSave(buf);
17445 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17447 int i, j, fromX, fromY, toX, toY;
17454 whiteToPlay = (gameMode == EditPosition) ?
17455 !blackPlaysFirst : (move % 2 == 0);
17458 /* Piece placement data */
17459 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17460 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17462 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17463 if (boards[move][i][j] == EmptySquare) {
17465 } else { ChessSquare piece = boards[move][i][j];
17466 if (emptycount > 0) {
17467 if(emptycount<10) /* [HGM] can be >= 10 */
17468 *p++ = '0' + emptycount;
17469 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17472 if(PieceToChar(piece) == '+') {
17473 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17475 piece = (ChessSquare)(DEMOTED piece);
17477 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17479 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17480 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17485 if (emptycount > 0) {
17486 if(emptycount<10) /* [HGM] can be >= 10 */
17487 *p++ = '0' + emptycount;
17488 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17495 /* [HGM] print Crazyhouse or Shogi holdings */
17496 if( gameInfo.holdingsWidth ) {
17497 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17499 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17500 piece = boards[move][i][BOARD_WIDTH-1];
17501 if( piece != EmptySquare )
17502 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17503 *p++ = PieceToChar(piece);
17505 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17506 piece = boards[move][BOARD_HEIGHT-i-1][0];
17507 if( piece != EmptySquare )
17508 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17509 *p++ = PieceToChar(piece);
17512 if( q == p ) *p++ = '-';
17518 *p++ = whiteToPlay ? 'w' : 'b';
17521 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17522 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17524 if(nrCastlingRights) {
17526 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17527 /* [HGM] write directly from rights */
17528 if(boards[move][CASTLING][2] != NoRights &&
17529 boards[move][CASTLING][0] != NoRights )
17530 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17531 if(boards[move][CASTLING][2] != NoRights &&
17532 boards[move][CASTLING][1] != NoRights )
17533 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17534 if(boards[move][CASTLING][5] != NoRights &&
17535 boards[move][CASTLING][3] != NoRights )
17536 *p++ = boards[move][CASTLING][3] + AAA;
17537 if(boards[move][CASTLING][5] != NoRights &&
17538 boards[move][CASTLING][4] != NoRights )
17539 *p++ = boards[move][CASTLING][4] + AAA;
17542 /* [HGM] write true castling rights */
17543 if( nrCastlingRights == 6 ) {
17545 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17546 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17547 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17548 boards[move][CASTLING][2] != NoRights );
17549 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17550 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17551 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17552 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17553 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17557 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17558 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17559 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17560 boards[move][CASTLING][5] != NoRights );
17561 if(gameInfo.variant == VariantSChess) {
17562 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17563 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17564 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17565 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17570 if (q == p) *p++ = '-'; /* No castling rights */
17574 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17575 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17576 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17577 /* En passant target square */
17578 if (move > backwardMostMove) {
17579 fromX = moveList[move - 1][0] - AAA;
17580 fromY = moveList[move - 1][1] - ONE;
17581 toX = moveList[move - 1][2] - AAA;
17582 toY = moveList[move - 1][3] - ONE;
17583 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17584 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17585 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17587 /* 2-square pawn move just happened */
17589 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17593 } else if(move == backwardMostMove) {
17594 // [HGM] perhaps we should always do it like this, and forget the above?
17595 if((signed char)boards[move][EP_STATUS] >= 0) {
17596 *p++ = boards[move][EP_STATUS] + AAA;
17597 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17609 { int i = 0, j=move;
17611 /* [HGM] find reversible plies */
17612 if (appData.debugMode) { int k;
17613 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17614 for(k=backwardMostMove; k<=forwardMostMove; k++)
17615 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17619 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17620 if( j == backwardMostMove ) i += initialRulePlies;
17621 sprintf(p, "%d ", i);
17622 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17624 /* Fullmove number */
17625 sprintf(p, "%d", (move / 2) + 1);
17626 } else *--p = NULLCHAR;
17628 return StrSave(buf);
17632 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17636 int emptycount, virgin[BOARD_FILES];
17641 /* Piece placement data */
17642 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17645 if (*p == '/' || *p == ' ' || *p == '[' ) {
17647 emptycount = gameInfo.boardWidth - j;
17648 while (emptycount--)
17649 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17650 if (*p == '/') p++;
17651 else if(autoSize) { // we stumbled unexpectedly into end of board
17652 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17653 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17655 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17658 #if(BOARD_FILES >= 10)
17659 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17660 p++; emptycount=10;
17661 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17662 while (emptycount--)
17663 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17665 } else if (*p == '*') {
17666 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17667 } else if (isdigit(*p)) {
17668 emptycount = *p++ - '0';
17669 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17670 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17671 while (emptycount--)
17672 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17673 } else if (*p == '+' || isalpha(*p)) {
17674 if (j >= gameInfo.boardWidth) return FALSE;
17676 piece = CharToPiece(*++p);
17677 if(piece == EmptySquare) return FALSE; /* unknown piece */
17678 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17679 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17680 } else piece = CharToPiece(*p++);
17682 if(piece==EmptySquare) return FALSE; /* unknown piece */
17683 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17684 piece = (ChessSquare) (PROMOTED piece);
17685 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17688 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17694 while (*p == '/' || *p == ' ') p++;
17696 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17698 /* [HGM] by default clear Crazyhouse holdings, if present */
17699 if(gameInfo.holdingsWidth) {
17700 for(i=0; i<BOARD_HEIGHT; i++) {
17701 board[i][0] = EmptySquare; /* black holdings */
17702 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17703 board[i][1] = (ChessSquare) 0; /* black counts */
17704 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17708 /* [HGM] look for Crazyhouse holdings here */
17709 while(*p==' ') p++;
17710 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17712 if(*p == '-' ) p++; /* empty holdings */ else {
17713 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17714 /* if we would allow FEN reading to set board size, we would */
17715 /* have to add holdings and shift the board read so far here */
17716 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17718 if((int) piece >= (int) BlackPawn ) {
17719 i = (int)piece - (int)BlackPawn;
17720 i = PieceToNumber((ChessSquare)i);
17721 if( i >= gameInfo.holdingsSize ) return FALSE;
17722 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17723 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17725 i = (int)piece - (int)WhitePawn;
17726 i = PieceToNumber((ChessSquare)i);
17727 if( i >= gameInfo.holdingsSize ) return FALSE;
17728 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17729 board[i][BOARD_WIDTH-2]++; /* black holdings */
17736 while(*p == ' ') p++;
17740 if(appData.colorNickNames) {
17741 if( c == appData.colorNickNames[0] ) c = 'w'; else
17742 if( c == appData.colorNickNames[1] ) c = 'b';
17746 *blackPlaysFirst = FALSE;
17749 *blackPlaysFirst = TRUE;
17755 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17756 /* return the extra info in global variiables */
17758 /* set defaults in case FEN is incomplete */
17759 board[EP_STATUS] = EP_UNKNOWN;
17760 for(i=0; i<nrCastlingRights; i++ ) {
17761 board[CASTLING][i] =
17762 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17763 } /* assume possible unless obviously impossible */
17764 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17765 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17766 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17767 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17768 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17769 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17770 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17771 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17774 while(*p==' ') p++;
17775 if(nrCastlingRights) {
17776 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17777 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17778 /* castling indicator present, so default becomes no castlings */
17779 for(i=0; i<nrCastlingRights; i++ ) {
17780 board[CASTLING][i] = NoRights;
17783 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17784 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17785 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17786 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17787 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17789 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17790 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17791 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17793 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17794 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17795 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17796 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17797 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17798 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17801 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17802 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17803 board[CASTLING][2] = whiteKingFile;
17804 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17805 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17808 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17809 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17810 board[CASTLING][2] = whiteKingFile;
17811 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17812 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17815 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17816 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17817 board[CASTLING][5] = blackKingFile;
17818 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17819 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17822 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17823 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17824 board[CASTLING][5] = blackKingFile;
17825 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17826 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17829 default: /* FRC castlings */
17830 if(c >= 'a') { /* black rights */
17831 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17832 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17833 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17834 if(i == BOARD_RGHT) break;
17835 board[CASTLING][5] = i;
17837 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17838 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17840 board[CASTLING][3] = c;
17842 board[CASTLING][4] = c;
17843 } else { /* white rights */
17844 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17845 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17846 if(board[0][i] == WhiteKing) break;
17847 if(i == BOARD_RGHT) break;
17848 board[CASTLING][2] = i;
17849 c -= AAA - 'a' + 'A';
17850 if(board[0][c] >= WhiteKing) break;
17852 board[CASTLING][0] = c;
17854 board[CASTLING][1] = c;
17858 for(i=0; i<nrCastlingRights; i++)
17859 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17860 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17861 if (appData.debugMode) {
17862 fprintf(debugFP, "FEN castling rights:");
17863 for(i=0; i<nrCastlingRights; i++)
17864 fprintf(debugFP, " %d", board[CASTLING][i]);
17865 fprintf(debugFP, "\n");
17868 while(*p==' ') p++;
17871 /* read e.p. field in games that know e.p. capture */
17872 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17873 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17874 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17876 p++; board[EP_STATUS] = EP_NONE;
17878 char c = *p++ - AAA;
17880 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17881 if(*p >= '0' && *p <='9') p++;
17882 board[EP_STATUS] = c;
17887 if(sscanf(p, "%d", &i) == 1) {
17888 FENrulePlies = i; /* 50-move ply counter */
17889 /* (The move number is still ignored) */
17896 EditPositionPasteFEN (char *fen)
17899 Board initial_position;
17901 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
17902 DisplayError(_("Bad FEN position in clipboard"), 0);
17905 int savedBlackPlaysFirst = blackPlaysFirst;
17906 EditPositionEvent();
17907 blackPlaysFirst = savedBlackPlaysFirst;
17908 CopyBoard(boards[0], initial_position);
17909 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17910 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17911 DisplayBothClocks();
17912 DrawPosition(FALSE, boards[currentMove]);
17917 static char cseq[12] = "\\ ";
17920 set_cont_sequence (char *new_seq)
17925 // handle bad attempts to set the sequence
17927 return 0; // acceptable error - no debug
17929 len = strlen(new_seq);
17930 ret = (len > 0) && (len < sizeof(cseq));
17932 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17933 else if (appData.debugMode)
17934 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17939 reformat a source message so words don't cross the width boundary. internal
17940 newlines are not removed. returns the wrapped size (no null character unless
17941 included in source message). If dest is NULL, only calculate the size required
17942 for the dest buffer. lp argument indicats line position upon entry, and it's
17943 passed back upon exit.
17946 wrap (char *dest, char *src, int count, int width, int *lp)
17948 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17950 cseq_len = strlen(cseq);
17951 old_line = line = *lp;
17952 ansi = len = clen = 0;
17954 for (i=0; i < count; i++)
17956 if (src[i] == '\033')
17959 // if we hit the width, back up
17960 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17962 // store i & len in case the word is too long
17963 old_i = i, old_len = len;
17965 // find the end of the last word
17966 while (i && src[i] != ' ' && src[i] != '\n')
17972 // word too long? restore i & len before splitting it
17973 if ((old_i-i+clen) >= width)
17980 if (i && src[i-1] == ' ')
17983 if (src[i] != ' ' && src[i] != '\n')
17990 // now append the newline and continuation sequence
17995 strncpy(dest+len, cseq, cseq_len);
18003 dest[len] = src[i];
18007 if (src[i] == '\n')
18012 if (dest && appData.debugMode)
18014 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18015 count, width, line, len, *lp);
18016 show_bytes(debugFP, src, count);
18017 fprintf(debugFP, "\ndest: ");
18018 show_bytes(debugFP, dest, len);
18019 fprintf(debugFP, "\n");
18021 *lp = dest ? line : old_line;
18026 // [HGM] vari: routines for shelving variations
18027 Boolean modeRestore = FALSE;
18030 PushInner (int firstMove, int lastMove)
18032 int i, j, nrMoves = lastMove - firstMove;
18034 // push current tail of game on stack
18035 savedResult[storedGames] = gameInfo.result;
18036 savedDetails[storedGames] = gameInfo.resultDetails;
18037 gameInfo.resultDetails = NULL;
18038 savedFirst[storedGames] = firstMove;
18039 savedLast [storedGames] = lastMove;
18040 savedFramePtr[storedGames] = framePtr;
18041 framePtr -= nrMoves; // reserve space for the boards
18042 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18043 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18044 for(j=0; j<MOVE_LEN; j++)
18045 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18046 for(j=0; j<2*MOVE_LEN; j++)
18047 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18048 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18049 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18050 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18051 pvInfoList[firstMove+i-1].depth = 0;
18052 commentList[framePtr+i] = commentList[firstMove+i];
18053 commentList[firstMove+i] = NULL;
18057 forwardMostMove = firstMove; // truncate game so we can start variation
18061 PushTail (int firstMove, int lastMove)
18063 if(appData.icsActive) { // only in local mode
18064 forwardMostMove = currentMove; // mimic old ICS behavior
18067 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18069 PushInner(firstMove, lastMove);
18070 if(storedGames == 1) GreyRevert(FALSE);
18071 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18075 PopInner (Boolean annotate)
18078 char buf[8000], moveBuf[20];
18080 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18081 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18082 nrMoves = savedLast[storedGames] - currentMove;
18085 if(!WhiteOnMove(currentMove))
18086 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18087 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18088 for(i=currentMove; i<forwardMostMove; i++) {
18090 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18091 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18092 strcat(buf, moveBuf);
18093 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18094 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18098 for(i=1; i<=nrMoves; i++) { // copy last variation back
18099 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18100 for(j=0; j<MOVE_LEN; j++)
18101 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18102 for(j=0; j<2*MOVE_LEN; j++)
18103 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18104 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18105 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18106 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18107 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18108 commentList[currentMove+i] = commentList[framePtr+i];
18109 commentList[framePtr+i] = NULL;
18111 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18112 framePtr = savedFramePtr[storedGames];
18113 gameInfo.result = savedResult[storedGames];
18114 if(gameInfo.resultDetails != NULL) {
18115 free(gameInfo.resultDetails);
18117 gameInfo.resultDetails = savedDetails[storedGames];
18118 forwardMostMove = currentMove + nrMoves;
18122 PopTail (Boolean annotate)
18124 if(appData.icsActive) return FALSE; // only in local mode
18125 if(!storedGames) return FALSE; // sanity
18126 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18128 PopInner(annotate);
18129 if(currentMove < forwardMostMove) ForwardEvent(); else
18130 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18132 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18138 { // remove all shelved variations
18140 for(i=0; i<storedGames; i++) {
18141 if(savedDetails[i])
18142 free(savedDetails[i]);
18143 savedDetails[i] = NULL;
18145 for(i=framePtr; i<MAX_MOVES; i++) {
18146 if(commentList[i]) free(commentList[i]);
18147 commentList[i] = NULL;
18149 framePtr = MAX_MOVES-1;
18154 LoadVariation (int index, char *text)
18155 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18156 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18157 int level = 0, move;
18159 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18160 // first find outermost bracketing variation
18161 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18162 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18163 if(*p == '{') wait = '}'; else
18164 if(*p == '[') wait = ']'; else
18165 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18166 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18168 if(*p == wait) wait = NULLCHAR; // closing ]} found
18171 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18172 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18173 end[1] = NULLCHAR; // clip off comment beyond variation
18174 ToNrEvent(currentMove-1);
18175 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18176 // kludge: use ParsePV() to append variation to game
18177 move = currentMove;
18178 ParsePV(start, TRUE, TRUE);
18179 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18180 ClearPremoveHighlights();
18182 ToNrEvent(currentMove+1);
18188 char *p, *q, buf[MSG_SIZ];
18189 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18190 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18191 ParseArgsFromString(buf);
18192 ActivateTheme(TRUE); // also redo colors
18196 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18199 q = appData.themeNames;
18200 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18201 if(appData.useBitmaps) {
18202 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18203 appData.liteBackTextureFile, appData.darkBackTextureFile,
18204 appData.liteBackTextureMode,
18205 appData.darkBackTextureMode );
18207 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18208 Col2Text(2), // lightSquareColor
18209 Col2Text(3) ); // darkSquareColor
18211 if(appData.useBorder) {
18212 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18215 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18217 if(appData.useFont) {
18218 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18219 appData.renderPiecesWithFont,
18220 appData.fontToPieceTable,
18221 Col2Text(9), // appData.fontBackColorWhite
18222 Col2Text(10) ); // appData.fontForeColorBlack
18224 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18225 appData.pieceDirectory);
18226 if(!appData.pieceDirectory[0])
18227 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18228 Col2Text(0), // whitePieceColor
18229 Col2Text(1) ); // blackPieceColor
18231 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18232 Col2Text(4), // highlightSquareColor
18233 Col2Text(5) ); // premoveHighlightColor
18234 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18235 if(insert != q) insert[-1] = NULLCHAR;
18236 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18239 ActivateTheme(FALSE);