2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
273 char lastMsg[MSG_SIZ];
274 ChessSquare pieceSweep = EmptySquare;
275 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
276 int promoDefaultAltered;
277 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
279 /* States for ics_getting_history */
281 #define H_REQUESTED 1
282 #define H_GOT_REQ_HEADER 2
283 #define H_GOT_UNREQ_HEADER 3
284 #define H_GETTING_MOVES 4
285 #define H_GOT_UNWANTED_HEADER 5
287 /* whosays values for GameEnds */
296 /* Maximum number of games in a cmail message */
297 #define CMAIL_MAX_GAMES 20
299 /* Different types of move when calling RegisterMove */
301 #define CMAIL_RESIGN 1
303 #define CMAIL_ACCEPT 3
305 /* Different types of result to remember for each game */
306 #define CMAIL_NOT_RESULT 0
307 #define CMAIL_OLD_RESULT 1
308 #define CMAIL_NEW_RESULT 2
310 /* Telnet protocol constants */
321 safeStrCpy (char *dst, const char *src, size_t count)
324 assert( dst != NULL );
325 assert( src != NULL );
328 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
329 if( i == count && dst[count-1] != NULLCHAR)
331 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
332 if(appData.debugMode)
333 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
339 /* Some compiler can't cast u64 to double
340 * This function do the job for us:
342 * We use the highest bit for cast, this only
343 * works if the highest bit is not
344 * in use (This should not happen)
346 * We used this for all compiler
349 u64ToDouble (u64 value)
352 u64 tmp = value & u64Const(0x7fffffffffffffff);
353 r = (double)(s64)tmp;
354 if (value & u64Const(0x8000000000000000))
355 r += 9.2233720368547758080e18; /* 2^63 */
359 /* Fake up flags for now, as we aren't keeping track of castling
360 availability yet. [HGM] Change of logic: the flag now only
361 indicates the type of castlings allowed by the rule of the game.
362 The actual rights themselves are maintained in the array
363 castlingRights, as part of the game history, and are not probed
369 int flags = F_ALL_CASTLE_OK;
370 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
371 switch (gameInfo.variant) {
373 flags &= ~F_ALL_CASTLE_OK;
374 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
375 flags |= F_IGNORE_CHECK;
377 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
380 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
382 case VariantKriegspiel:
383 flags |= F_KRIEGSPIEL_CAPTURE;
385 case VariantCapaRandom:
386 case VariantFischeRandom:
387 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
388 case VariantNoCastle:
389 case VariantShatranj:
394 flags &= ~F_ALL_CASTLE_OK;
402 FILE *gameFileFP, *debugFP, *serverFP;
403 char *currentDebugFile; // [HGM] debug split: to remember name
406 [AS] Note: sometimes, the sscanf() function is used to parse the input
407 into a fixed-size buffer. Because of this, we must be prepared to
408 receive strings as long as the size of the input buffer, which is currently
409 set to 4K for Windows and 8K for the rest.
410 So, we must either allocate sufficiently large buffers here, or
411 reduce the size of the input buffer in the input reading part.
414 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
415 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
416 char thinkOutput1[MSG_SIZ*10];
418 ChessProgramState first, second, pairing;
420 /* premove variables */
423 int premoveFromX = 0;
424 int premoveFromY = 0;
425 int premovePromoChar = 0;
427 Boolean alarmSounded;
428 /* end premove variables */
430 char *ics_prefix = "$";
431 enum ICS_TYPE ics_type = ICS_GENERIC;
433 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
434 int pauseExamForwardMostMove = 0;
435 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
436 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
437 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
438 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
439 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
440 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
441 int whiteFlag = FALSE, blackFlag = FALSE;
442 int userOfferedDraw = FALSE;
443 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
444 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
445 int cmailMoveType[CMAIL_MAX_GAMES];
446 long ics_clock_paused = 0;
447 ProcRef icsPR = NoProc, cmailPR = NoProc;
448 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
449 GameMode gameMode = BeginningOfGame;
450 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
451 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
452 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
453 int hiddenThinkOutputState = 0; /* [AS] */
454 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
455 int adjudicateLossPlies = 6;
456 char white_holding[64], black_holding[64];
457 TimeMark lastNodeCountTime;
458 long lastNodeCount=0;
459 int shiftKey, controlKey; // [HGM] set by mouse handler
461 int have_sent_ICS_logon = 0;
463 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
464 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
465 Boolean adjustedClock;
466 long timeControl_2; /* [AS] Allow separate time controls */
467 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
468 long timeRemaining[2][MAX_MOVES];
469 int matchGame = 0, nextGame = 0, roundNr = 0;
470 Boolean waitingForGame = FALSE, startingEngine = FALSE;
471 TimeMark programStartTime, pauseStart;
472 char ics_handle[MSG_SIZ];
473 int have_set_title = 0;
475 /* animateTraining preserves the state of appData.animate
476 * when Training mode is activated. This allows the
477 * response to be animated when appData.animate == TRUE and
478 * appData.animateDragging == TRUE.
480 Boolean animateTraining;
486 Board boards[MAX_MOVES];
487 /* [HGM] Following 7 needed for accurate legality tests: */
488 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
489 signed char initialRights[BOARD_FILES];
490 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
491 int initialRulePlies, FENrulePlies;
492 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
494 Boolean shuffleOpenings;
495 int mute; // mute all sounds
497 // [HGM] vari: next 12 to save and restore variations
498 #define MAX_VARIATIONS 10
499 int framePtr = MAX_MOVES-1; // points to free stack entry
501 int savedFirst[MAX_VARIATIONS];
502 int savedLast[MAX_VARIATIONS];
503 int savedFramePtr[MAX_VARIATIONS];
504 char *savedDetails[MAX_VARIATIONS];
505 ChessMove savedResult[MAX_VARIATIONS];
507 void PushTail P((int firstMove, int lastMove));
508 Boolean PopTail P((Boolean annotate));
509 void PushInner P((int firstMove, int lastMove));
510 void PopInner P((Boolean annotate));
511 void CleanupTail P((void));
513 ChessSquare FIDEArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackBishop, BlackKnight, BlackRook }
520 ChessSquare twoKingsArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
522 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
523 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
524 BlackKing, BlackKing, BlackKnight, BlackRook }
527 ChessSquare KnightmateArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
529 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
530 { BlackRook, BlackMan, BlackBishop, BlackQueen,
531 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
534 ChessSquare SpartanArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
538 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
541 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
545 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
548 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
550 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
552 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
555 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
556 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
557 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackMan, BlackFerz,
559 BlackKing, BlackMan, BlackKnight, BlackRook }
562 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
563 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
564 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
565 { BlackRook, BlackKnight, BlackMan, BlackFerz,
566 BlackKing, BlackMan, BlackKnight, BlackRook }
570 #if (BOARD_FILES>=10)
571 ChessSquare ShogiArray[2][BOARD_FILES] = {
572 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
573 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
574 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
575 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
578 ChessSquare XiangqiArray[2][BOARD_FILES] = {
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
580 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
582 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare CapablancaArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
587 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
589 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
592 ChessSquare GreatArray[2][BOARD_FILES] = {
593 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
594 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
595 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
596 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
599 ChessSquare JanusArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
601 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
602 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
603 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
606 ChessSquare GrandArray[2][BOARD_FILES] = {
607 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
608 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
609 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
610 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
614 ChessSquare GothicArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
616 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
618 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
621 #define GothicArray CapablancaArray
625 ChessSquare FalconArray[2][BOARD_FILES] = {
626 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
627 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
628 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
629 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
632 #define FalconArray CapablancaArray
635 #else // !(BOARD_FILES>=10)
636 #define XiangqiPosition FIDEArray
637 #define CapablancaArray FIDEArray
638 #define GothicArray FIDEArray
639 #define GreatArray FIDEArray
640 #endif // !(BOARD_FILES>=10)
642 #if (BOARD_FILES>=12)
643 ChessSquare CourierArray[2][BOARD_FILES] = {
644 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
645 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
646 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
647 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
649 #else // !(BOARD_FILES>=12)
650 #define CourierArray CapablancaArray
651 #endif // !(BOARD_FILES>=12)
654 Board initialPosition;
657 /* Convert str to a rating. Checks for special cases of "----",
659 "++++", etc. Also strips ()'s */
661 string_to_rating (char *str)
663 while(*str && !isdigit(*str)) ++str;
665 return 0; /* One of the special "no rating" cases */
673 /* Init programStats */
674 programStats.movelist[0] = 0;
675 programStats.depth = 0;
676 programStats.nr_moves = 0;
677 programStats.moves_left = 0;
678 programStats.nodes = 0;
679 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
680 programStats.score = 0;
681 programStats.got_only_move = 0;
682 programStats.got_fail = 0;
683 programStats.line_is_book = 0;
688 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
689 if (appData.firstPlaysBlack) {
690 first.twoMachinesColor = "black\n";
691 second.twoMachinesColor = "white\n";
693 first.twoMachinesColor = "white\n";
694 second.twoMachinesColor = "black\n";
697 first.other = &second;
698 second.other = &first;
701 if(appData.timeOddsMode) {
702 norm = appData.timeOdds[0];
703 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
705 first.timeOdds = appData.timeOdds[0]/norm;
706 second.timeOdds = appData.timeOdds[1]/norm;
709 if(programVersion) free(programVersion);
710 if (appData.noChessProgram) {
711 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
712 sprintf(programVersion, "%s", PACKAGE_STRING);
714 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
715 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
716 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
721 UnloadEngine (ChessProgramState *cps)
723 /* Kill off first chess program */
724 if (cps->isr != NULL)
725 RemoveInputSource(cps->isr);
728 if (cps->pr != NoProc) {
730 DoSleep( appData.delayBeforeQuit );
731 SendToProgram("quit\n", cps);
732 DoSleep( appData.delayAfterQuit );
733 DestroyChildProcess(cps->pr, cps->useSigterm);
736 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
740 ClearOptions (ChessProgramState *cps)
743 cps->nrOptions = cps->comboCnt = 0;
744 for(i=0; i<MAX_OPTIONS; i++) {
745 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
746 cps->option[i].textValue = 0;
750 char *engineNames[] = {
751 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
752 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
754 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
755 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
760 InitEngine (ChessProgramState *cps, int n)
761 { // [HGM] all engine initialiation put in a function that does one engine
765 cps->which = engineNames[n];
766 cps->maybeThinking = FALSE;
770 cps->sendDrawOffers = 1;
772 cps->program = appData.chessProgram[n];
773 cps->host = appData.host[n];
774 cps->dir = appData.directory[n];
775 cps->initString = appData.engInitString[n];
776 cps->computerString = appData.computerString[n];
777 cps->useSigint = TRUE;
778 cps->useSigterm = TRUE;
779 cps->reuse = appData.reuse[n];
780 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
781 cps->useSetboard = FALSE;
783 cps->usePing = FALSE;
786 cps->usePlayother = FALSE;
787 cps->useColors = TRUE;
788 cps->useUsermove = FALSE;
789 cps->sendICS = FALSE;
790 cps->sendName = appData.icsActive;
791 cps->sdKludge = FALSE;
792 cps->stKludge = FALSE;
793 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
794 TidyProgramName(cps->program, cps->host, cps->tidy);
796 ASSIGN(cps->variants, appData.variant);
797 cps->analysisSupport = 2; /* detect */
798 cps->analyzing = FALSE;
799 cps->initDone = FALSE;
802 /* New features added by Tord: */
803 cps->useFEN960 = FALSE;
804 cps->useOOCastle = TRUE;
805 /* End of new features added by Tord. */
806 cps->fenOverride = appData.fenOverride[n];
808 /* [HGM] time odds: set factor for each machine */
809 cps->timeOdds = appData.timeOdds[n];
811 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
812 cps->accumulateTC = appData.accumulateTC[n];
813 cps->maxNrOfSessions = 1;
818 cps->supportsNPS = UNKNOWN;
819 cps->memSize = FALSE;
820 cps->maxCores = FALSE;
821 ASSIGN(cps->egtFormats, "");
824 cps->optionSettings = appData.engOptions[n];
826 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
827 cps->isUCI = appData.isUCI[n]; /* [AS] */
828 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
831 if (appData.protocolVersion[n] > PROTOVER
832 || appData.protocolVersion[n] < 1)
837 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
838 appData.protocolVersion[n]);
839 if( (len >= MSG_SIZ) && appData.debugMode )
840 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
842 DisplayFatalError(buf, 0, 2);
846 cps->protocolVersion = appData.protocolVersion[n];
849 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
850 ParseFeatures(appData.featureDefaults, cps);
853 ChessProgramState *savCps;
861 if(WaitForEngine(savCps, LoadEngine)) return;
862 CommonEngineInit(); // recalculate time odds
863 if(gameInfo.variant != StringToVariant(appData.variant)) {
864 // we changed variant when loading the engine; this forces us to reset
865 Reset(TRUE, savCps != &first);
866 oldMode = BeginningOfGame; // to prevent restoring old mode
868 InitChessProgram(savCps, FALSE);
869 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
870 DisplayMessage("", "");
871 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
872 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
875 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
879 ReplaceEngine (ChessProgramState *cps, int n)
881 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
883 if(oldMode != BeginningOfGame) EditGameEvent();
886 appData.noChessProgram = FALSE;
887 appData.clockMode = TRUE;
890 if(n) return; // only startup first engine immediately; second can wait
891 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
895 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
896 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
898 static char resetOptions[] =
899 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
900 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
901 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
902 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
905 FloatToFront(char **list, char *engineLine)
907 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
909 if(appData.recentEngines <= 0) return;
910 TidyProgramName(engineLine, "localhost", tidy+1);
911 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
912 strncpy(buf+1, *list, MSG_SIZ-50);
913 if(p = strstr(buf, tidy)) { // tidy name appears in list
914 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
915 while(*p++ = *++q); // squeeze out
917 strcat(tidy, buf+1); // put list behind tidy name
918 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
919 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
920 ASSIGN(*list, tidy+1);
923 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
926 Load (ChessProgramState *cps, int i)
928 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
929 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
930 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
931 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
932 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
933 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
934 appData.firstProtocolVersion = PROTOVER;
935 ParseArgsFromString(buf);
937 ReplaceEngine(cps, i);
938 FloatToFront(&appData.recentEngineList, engineLine);
942 while(q = strchr(p, SLASH)) p = q+1;
943 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
944 if(engineDir[0] != NULLCHAR) {
945 ASSIGN(appData.directory[i], engineDir); p = engineName;
946 } else if(p != engineName) { // derive directory from engine path, when not given
948 ASSIGN(appData.directory[i], engineName);
950 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
951 } else { ASSIGN(appData.directory[i], "."); }
953 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
954 snprintf(command, MSG_SIZ, "%s %s", p, params);
957 ASSIGN(appData.chessProgram[i], p);
958 appData.isUCI[i] = isUCI;
959 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
960 appData.hasOwnBookUCI[i] = hasBook;
961 if(!nickName[0]) useNick = FALSE;
962 if(useNick) ASSIGN(appData.pgnName[i], nickName);
966 q = firstChessProgramNames;
967 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
968 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
969 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
970 quote, p, quote, appData.directory[i],
971 useNick ? " -fn \"" : "",
972 useNick ? nickName : "",
974 v1 ? " -firstProtocolVersion 1" : "",
975 hasBook ? "" : " -fNoOwnBookUCI",
976 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
977 storeVariant ? " -variant " : "",
978 storeVariant ? VariantName(gameInfo.variant) : "");
979 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
980 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
981 if(insert != q) insert[-1] = NULLCHAR;
982 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
984 FloatToFront(&appData.recentEngineList, buf);
986 ReplaceEngine(cps, i);
992 int matched, min, sec;
994 * Parse timeControl resource
996 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
997 appData.movesPerSession)) {
999 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1000 DisplayFatalError(buf, 0, 2);
1004 * Parse searchTime resource
1006 if (*appData.searchTime != NULLCHAR) {
1007 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1009 searchTime = min * 60;
1010 } else if (matched == 2) {
1011 searchTime = min * 60 + sec;
1014 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1015 DisplayFatalError(buf, 0, 2);
1024 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1025 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1027 GetTimeMark(&programStartTime);
1028 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1029 appData.seedBase = random() + (random()<<15);
1030 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1032 ClearProgramStats();
1033 programStats.ok_to_send = 1;
1034 programStats.seen_stat = 0;
1037 * Initialize game list
1043 * Internet chess server status
1045 if (appData.icsActive) {
1046 appData.matchMode = FALSE;
1047 appData.matchGames = 0;
1049 appData.noChessProgram = !appData.zippyPlay;
1051 appData.zippyPlay = FALSE;
1052 appData.zippyTalk = FALSE;
1053 appData.noChessProgram = TRUE;
1055 if (*appData.icsHelper != NULLCHAR) {
1056 appData.useTelnet = TRUE;
1057 appData.telnetProgram = appData.icsHelper;
1060 appData.zippyTalk = appData.zippyPlay = FALSE;
1063 /* [AS] Initialize pv info list [HGM] and game state */
1067 for( i=0; i<=framePtr; i++ ) {
1068 pvInfoList[i].depth = -1;
1069 boards[i][EP_STATUS] = EP_NONE;
1070 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1076 /* [AS] Adjudication threshold */
1077 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1079 InitEngine(&first, 0);
1080 InitEngine(&second, 1);
1083 pairing.which = "pairing"; // pairing engine
1084 pairing.pr = NoProc;
1086 pairing.program = appData.pairingEngine;
1087 pairing.host = "localhost";
1090 if (appData.icsActive) {
1091 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1092 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1093 appData.clockMode = FALSE;
1094 first.sendTime = second.sendTime = 0;
1098 /* Override some settings from environment variables, for backward
1099 compatibility. Unfortunately it's not feasible to have the env
1100 vars just set defaults, at least in xboard. Ugh.
1102 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1107 if (!appData.icsActive) {
1111 /* Check for variants that are supported only in ICS mode,
1112 or not at all. Some that are accepted here nevertheless
1113 have bugs; see comments below.
1115 VariantClass variant = StringToVariant(appData.variant);
1117 case VariantBughouse: /* need four players and two boards */
1118 case VariantKriegspiel: /* need to hide pieces and move details */
1119 /* case VariantFischeRandom: (Fabien: moved below) */
1120 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1121 if( (len >= MSG_SIZ) && appData.debugMode )
1122 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1124 DisplayFatalError(buf, 0, 2);
1127 case VariantUnknown:
1128 case VariantLoadable:
1138 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1139 if( (len >= MSG_SIZ) && appData.debugMode )
1140 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1142 DisplayFatalError(buf, 0, 2);
1145 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1146 case VariantFairy: /* [HGM] TestLegality definitely off! */
1147 case VariantGothic: /* [HGM] should work */
1148 case VariantCapablanca: /* [HGM] should work */
1149 case VariantCourier: /* [HGM] initial forced moves not implemented */
1150 case VariantShogi: /* [HGM] could still mate with pawn drop */
1151 case VariantKnightmate: /* [HGM] should work */
1152 case VariantCylinder: /* [HGM] untested */
1153 case VariantFalcon: /* [HGM] untested */
1154 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1155 offboard interposition not understood */
1156 case VariantNormal: /* definitely works! */
1157 case VariantWildCastle: /* pieces not automatically shuffled */
1158 case VariantNoCastle: /* pieces not automatically shuffled */
1159 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1160 case VariantLosers: /* should work except for win condition,
1161 and doesn't know captures are mandatory */
1162 case VariantSuicide: /* should work except for win condition,
1163 and doesn't know captures are mandatory */
1164 case VariantGiveaway: /* should work except for win condition,
1165 and doesn't know captures are mandatory */
1166 case VariantTwoKings: /* should work */
1167 case VariantAtomic: /* should work except for win condition */
1168 case Variant3Check: /* should work except for win condition */
1169 case VariantShatranj: /* should work except for all win conditions */
1170 case VariantMakruk: /* should work except for draw countdown */
1171 case VariantASEAN : /* should work except for draw countdown */
1172 case VariantBerolina: /* might work if TestLegality is off */
1173 case VariantCapaRandom: /* should work */
1174 case VariantJanus: /* should work */
1175 case VariantSuper: /* experimental */
1176 case VariantGreat: /* experimental, requires legality testing to be off */
1177 case VariantSChess: /* S-Chess, should work */
1178 case VariantGrand: /* should work */
1179 case VariantSpartan: /* should work */
1187 NextIntegerFromString (char ** str, long * value)
1192 while( *s == ' ' || *s == '\t' ) {
1198 if( *s >= '0' && *s <= '9' ) {
1199 while( *s >= '0' && *s <= '9' ) {
1200 *value = *value * 10 + (*s - '0');
1213 NextTimeControlFromString (char ** str, long * value)
1216 int result = NextIntegerFromString( str, &temp );
1219 *value = temp * 60; /* Minutes */
1220 if( **str == ':' ) {
1222 result = NextIntegerFromString( str, &temp );
1223 *value += temp; /* Seconds */
1231 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1232 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1233 int result = -1, type = 0; long temp, temp2;
1235 if(**str != ':') return -1; // old params remain in force!
1237 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1238 if( NextIntegerFromString( str, &temp ) ) return -1;
1239 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1242 /* time only: incremental or sudden-death time control */
1243 if(**str == '+') { /* increment follows; read it */
1245 if(**str == '!') type = *(*str)++; // Bronstein TC
1246 if(result = NextIntegerFromString( str, &temp2)) return -1;
1247 *inc = temp2 * 1000;
1248 if(**str == '.') { // read fraction of increment
1249 char *start = ++(*str);
1250 if(result = NextIntegerFromString( str, &temp2)) return -1;
1252 while(start++ < *str) temp2 /= 10;
1256 *moves = 0; *tc = temp * 1000; *incType = type;
1260 (*str)++; /* classical time control */
1261 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1273 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1274 { /* [HGM] get time to add from the multi-session time-control string */
1275 int incType, moves=1; /* kludge to force reading of first session */
1276 long time, increment;
1279 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1281 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1282 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1283 if(movenr == -1) return time; /* last move before new session */
1284 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1285 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1286 if(!moves) return increment; /* current session is incremental */
1287 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1288 } while(movenr >= -1); /* try again for next session */
1290 return 0; // no new time quota on this move
1294 ParseTimeControl (char *tc, float ti, int mps)
1298 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1301 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1302 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1303 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1307 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1309 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1312 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1314 snprintf(buf, MSG_SIZ, ":%s", mytc);
1316 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1318 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1323 /* Parse second time control */
1326 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1334 timeControl_2 = tc2 * 1000;
1344 timeControl = tc1 * 1000;
1347 timeIncrement = ti * 1000; /* convert to ms */
1348 movesPerSession = 0;
1351 movesPerSession = mps;
1359 if (appData.debugMode) {
1360 # ifdef __GIT_VERSION
1361 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1363 fprintf(debugFP, "Version: %s\n", programVersion);
1366 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1368 set_cont_sequence(appData.wrapContSeq);
1369 if (appData.matchGames > 0) {
1370 appData.matchMode = TRUE;
1371 } else if (appData.matchMode) {
1372 appData.matchGames = 1;
1374 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1375 appData.matchGames = appData.sameColorGames;
1376 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1377 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1378 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1381 if (appData.noChessProgram || first.protocolVersion == 1) {
1384 /* kludge: allow timeout for initial "feature" commands */
1386 DisplayMessage("", _("Starting chess program"));
1387 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1392 CalculateIndex (int index, int gameNr)
1393 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1395 if(index > 0) return index; // fixed nmber
1396 if(index == 0) return 1;
1397 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1398 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1403 LoadGameOrPosition (int gameNr)
1404 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1405 if (*appData.loadGameFile != NULLCHAR) {
1406 if (!LoadGameFromFile(appData.loadGameFile,
1407 CalculateIndex(appData.loadGameIndex, gameNr),
1408 appData.loadGameFile, FALSE)) {
1409 DisplayFatalError(_("Bad game file"), 0, 1);
1412 } else if (*appData.loadPositionFile != NULLCHAR) {
1413 if (!LoadPositionFromFile(appData.loadPositionFile,
1414 CalculateIndex(appData.loadPositionIndex, gameNr),
1415 appData.loadPositionFile)) {
1416 DisplayFatalError(_("Bad position file"), 0, 1);
1424 ReserveGame (int gameNr, char resChar)
1426 FILE *tf = fopen(appData.tourneyFile, "r+");
1427 char *p, *q, c, buf[MSG_SIZ];
1428 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1429 safeStrCpy(buf, lastMsg, MSG_SIZ);
1430 DisplayMessage(_("Pick new game"), "");
1431 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1432 ParseArgsFromFile(tf);
1433 p = q = appData.results;
1434 if(appData.debugMode) {
1435 char *r = appData.participants;
1436 fprintf(debugFP, "results = '%s'\n", p);
1437 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1438 fprintf(debugFP, "\n");
1440 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1442 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1443 safeStrCpy(q, p, strlen(p) + 2);
1444 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1445 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1446 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1447 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1450 fseek(tf, -(strlen(p)+4), SEEK_END);
1452 if(c != '"') // depending on DOS or Unix line endings we can be one off
1453 fseek(tf, -(strlen(p)+2), SEEK_END);
1454 else fseek(tf, -(strlen(p)+3), SEEK_END);
1455 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1456 DisplayMessage(buf, "");
1457 free(p); appData.results = q;
1458 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1459 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1460 int round = appData.defaultMatchGames * appData.tourneyType;
1461 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1462 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1463 UnloadEngine(&first); // next game belongs to other pairing;
1464 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1466 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1470 MatchEvent (int mode)
1471 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1473 if(matchMode) { // already in match mode: switch it off
1475 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1478 // if(gameMode != BeginningOfGame) {
1479 // DisplayError(_("You can only start a match from the initial position."), 0);
1483 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1484 /* Set up machine vs. machine match */
1486 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1487 if(appData.tourneyFile[0]) {
1489 if(nextGame > appData.matchGames) {
1491 if(strchr(appData.results, '*') == NULL) {
1493 appData.tourneyCycles++;
1494 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1496 NextTourneyGame(-1, &dummy);
1498 if(nextGame <= appData.matchGames) {
1499 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1501 ScheduleDelayedEvent(NextMatchGame, 10000);
1506 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1507 DisplayError(buf, 0);
1508 appData.tourneyFile[0] = 0;
1512 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1513 DisplayFatalError(_("Can't have a match with no chess programs"),
1518 matchGame = roundNr = 1;
1519 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1523 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1526 InitBackEnd3 P((void))
1528 GameMode initialMode;
1532 InitChessProgram(&first, startedFromSetupPosition);
1534 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1535 free(programVersion);
1536 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1537 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1538 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1541 if (appData.icsActive) {
1543 /* [DM] Make a console window if needed [HGM] merged ifs */
1549 if (*appData.icsCommPort != NULLCHAR)
1550 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1551 appData.icsCommPort);
1553 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1554 appData.icsHost, appData.icsPort);
1556 if( (len >= MSG_SIZ) && appData.debugMode )
1557 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1559 DisplayFatalError(buf, err, 1);
1564 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1566 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1567 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1568 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1569 } else if (appData.noChessProgram) {
1575 if (*appData.cmailGameName != NULLCHAR) {
1577 OpenLoopback(&cmailPR);
1579 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1583 DisplayMessage("", "");
1584 if (StrCaseCmp(appData.initialMode, "") == 0) {
1585 initialMode = BeginningOfGame;
1586 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1587 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1588 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1589 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1592 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1593 initialMode = TwoMachinesPlay;
1594 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1595 initialMode = AnalyzeFile;
1596 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1597 initialMode = AnalyzeMode;
1598 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1599 initialMode = MachinePlaysWhite;
1600 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1601 initialMode = MachinePlaysBlack;
1602 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1603 initialMode = EditGame;
1604 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1605 initialMode = EditPosition;
1606 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1607 initialMode = Training;
1609 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1610 if( (len >= MSG_SIZ) && appData.debugMode )
1611 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1613 DisplayFatalError(buf, 0, 2);
1617 if (appData.matchMode) {
1618 if(appData.tourneyFile[0]) { // start tourney from command line
1620 if(f = fopen(appData.tourneyFile, "r")) {
1621 ParseArgsFromFile(f); // make sure tourney parmeters re known
1623 appData.clockMode = TRUE;
1625 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1628 } else if (*appData.cmailGameName != NULLCHAR) {
1629 /* Set up cmail mode */
1630 ReloadCmailMsgEvent(TRUE);
1632 /* Set up other modes */
1633 if (initialMode == AnalyzeFile) {
1634 if (*appData.loadGameFile == NULLCHAR) {
1635 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1639 if (*appData.loadGameFile != NULLCHAR) {
1640 (void) LoadGameFromFile(appData.loadGameFile,
1641 appData.loadGameIndex,
1642 appData.loadGameFile, TRUE);
1643 } else if (*appData.loadPositionFile != NULLCHAR) {
1644 (void) LoadPositionFromFile(appData.loadPositionFile,
1645 appData.loadPositionIndex,
1646 appData.loadPositionFile);
1647 /* [HGM] try to make self-starting even after FEN load */
1648 /* to allow automatic setup of fairy variants with wtm */
1649 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1650 gameMode = BeginningOfGame;
1651 setboardSpoiledMachineBlack = 1;
1653 /* [HGM] loadPos: make that every new game uses the setup */
1654 /* from file as long as we do not switch variant */
1655 if(!blackPlaysFirst) {
1656 startedFromPositionFile = TRUE;
1657 CopyBoard(filePosition, boards[0]);
1660 if (initialMode == AnalyzeMode) {
1661 if (appData.noChessProgram) {
1662 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1665 if (appData.icsActive) {
1666 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1670 } else if (initialMode == AnalyzeFile) {
1671 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1672 ShowThinkingEvent();
1674 AnalysisPeriodicEvent(1);
1675 } else if (initialMode == MachinePlaysWhite) {
1676 if (appData.noChessProgram) {
1677 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1681 if (appData.icsActive) {
1682 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1686 MachineWhiteEvent();
1687 } else if (initialMode == MachinePlaysBlack) {
1688 if (appData.noChessProgram) {
1689 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1693 if (appData.icsActive) {
1694 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1698 MachineBlackEvent();
1699 } else if (initialMode == TwoMachinesPlay) {
1700 if (appData.noChessProgram) {
1701 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1705 if (appData.icsActive) {
1706 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1711 } else if (initialMode == EditGame) {
1713 } else if (initialMode == EditPosition) {
1714 EditPositionEvent();
1715 } else if (initialMode == Training) {
1716 if (*appData.loadGameFile == NULLCHAR) {
1717 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1726 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1728 DisplayBook(current+1);
1730 MoveHistorySet( movelist, first, last, current, pvInfoList );
1732 EvalGraphSet( first, last, current, pvInfoList );
1734 MakeEngineOutputTitle();
1738 * Establish will establish a contact to a remote host.port.
1739 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1740 * used to talk to the host.
1741 * Returns 0 if okay, error code if not.
1748 if (*appData.icsCommPort != NULLCHAR) {
1749 /* Talk to the host through a serial comm port */
1750 return OpenCommPort(appData.icsCommPort, &icsPR);
1752 } else if (*appData.gateway != NULLCHAR) {
1753 if (*appData.remoteShell == NULLCHAR) {
1754 /* Use the rcmd protocol to run telnet program on a gateway host */
1755 snprintf(buf, sizeof(buf), "%s %s %s",
1756 appData.telnetProgram, appData.icsHost, appData.icsPort);
1757 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1760 /* Use the rsh program to run telnet program on a gateway host */
1761 if (*appData.remoteUser == NULLCHAR) {
1762 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1763 appData.gateway, appData.telnetProgram,
1764 appData.icsHost, appData.icsPort);
1766 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1767 appData.remoteShell, appData.gateway,
1768 appData.remoteUser, appData.telnetProgram,
1769 appData.icsHost, appData.icsPort);
1771 return StartChildProcess(buf, "", &icsPR);
1774 } else if (appData.useTelnet) {
1775 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1778 /* TCP socket interface differs somewhat between
1779 Unix and NT; handle details in the front end.
1781 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1786 EscapeExpand (char *p, char *q)
1787 { // [HGM] initstring: routine to shape up string arguments
1788 while(*p++ = *q++) if(p[-1] == '\\')
1790 case 'n': p[-1] = '\n'; break;
1791 case 'r': p[-1] = '\r'; break;
1792 case 't': p[-1] = '\t'; break;
1793 case '\\': p[-1] = '\\'; break;
1794 case 0: *p = 0; return;
1795 default: p[-1] = q[-1]; break;
1800 show_bytes (FILE *fp, char *buf, int count)
1803 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1804 fprintf(fp, "\\%03o", *buf & 0xff);
1813 /* Returns an errno value */
1815 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1817 char buf[8192], *p, *q, *buflim;
1818 int left, newcount, outcount;
1820 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1821 *appData.gateway != NULLCHAR) {
1822 if (appData.debugMode) {
1823 fprintf(debugFP, ">ICS: ");
1824 show_bytes(debugFP, message, count);
1825 fprintf(debugFP, "\n");
1827 return OutputToProcess(pr, message, count, outError);
1830 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1837 if (appData.debugMode) {
1838 fprintf(debugFP, ">ICS: ");
1839 show_bytes(debugFP, buf, newcount);
1840 fprintf(debugFP, "\n");
1842 outcount = OutputToProcess(pr, buf, newcount, outError);
1843 if (outcount < newcount) return -1; /* to be sure */
1850 } else if (((unsigned char) *p) == TN_IAC) {
1851 *q++ = (char) TN_IAC;
1858 if (appData.debugMode) {
1859 fprintf(debugFP, ">ICS: ");
1860 show_bytes(debugFP, buf, newcount);
1861 fprintf(debugFP, "\n");
1863 outcount = OutputToProcess(pr, buf, newcount, outError);
1864 if (outcount < newcount) return -1; /* to be sure */
1869 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1871 int outError, outCount;
1872 static int gotEof = 0;
1875 /* Pass data read from player on to ICS */
1878 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1879 if (outCount < count) {
1880 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1882 if(have_sent_ICS_logon == 2) {
1883 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1884 fprintf(ini, "%s", message);
1885 have_sent_ICS_logon = 3;
1887 have_sent_ICS_logon = 1;
1888 } else if(have_sent_ICS_logon == 3) {
1889 fprintf(ini, "%s", message);
1891 have_sent_ICS_logon = 1;
1893 } else if (count < 0) {
1894 RemoveInputSource(isr);
1895 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1896 } else if (gotEof++ > 0) {
1897 RemoveInputSource(isr);
1898 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1904 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1905 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1906 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1907 SendToICS("date\n");
1908 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1911 /* added routine for printf style output to ics */
1913 ics_printf (char *format, ...)
1915 char buffer[MSG_SIZ];
1918 va_start(args, format);
1919 vsnprintf(buffer, sizeof(buffer), format, args);
1920 buffer[sizeof(buffer)-1] = '\0';
1928 int count, outCount, outError;
1930 if (icsPR == NoProc) return;
1933 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1934 if (outCount < count) {
1935 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1939 /* This is used for sending logon scripts to the ICS. Sending
1940 without a delay causes problems when using timestamp on ICC
1941 (at least on my machine). */
1943 SendToICSDelayed (char *s, long msdelay)
1945 int count, outCount, outError;
1947 if (icsPR == NoProc) return;
1950 if (appData.debugMode) {
1951 fprintf(debugFP, ">ICS: ");
1952 show_bytes(debugFP, s, count);
1953 fprintf(debugFP, "\n");
1955 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1957 if (outCount < count) {
1958 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1963 /* Remove all highlighting escape sequences in s
1964 Also deletes any suffix starting with '('
1967 StripHighlightAndTitle (char *s)
1969 static char retbuf[MSG_SIZ];
1972 while (*s != NULLCHAR) {
1973 while (*s == '\033') {
1974 while (*s != NULLCHAR && !isalpha(*s)) s++;
1975 if (*s != NULLCHAR) s++;
1977 while (*s != NULLCHAR && *s != '\033') {
1978 if (*s == '(' || *s == '[') {
1989 /* Remove all highlighting escape sequences in s */
1991 StripHighlight (char *s)
1993 static char retbuf[MSG_SIZ];
1996 while (*s != NULLCHAR) {
1997 while (*s == '\033') {
1998 while (*s != NULLCHAR && !isalpha(*s)) s++;
1999 if (*s != NULLCHAR) s++;
2001 while (*s != NULLCHAR && *s != '\033') {
2009 char *variantNames[] = VARIANT_NAMES;
2011 VariantName (VariantClass v)
2013 return variantNames[v];
2017 /* Identify a variant from the strings the chess servers use or the
2018 PGN Variant tag names we use. */
2020 StringToVariant (char *e)
2024 VariantClass v = VariantNormal;
2025 int i, found = FALSE;
2031 /* [HGM] skip over optional board-size prefixes */
2032 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2033 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2034 while( *e++ != '_');
2037 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2041 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2042 if (StrCaseStr(e, variantNames[i])) {
2043 v = (VariantClass) i;
2050 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2051 || StrCaseStr(e, "wild/fr")
2052 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2053 v = VariantFischeRandom;
2054 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2055 (i = 1, p = StrCaseStr(e, "w"))) {
2057 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2064 case 0: /* FICS only, actually */
2066 /* Castling legal even if K starts on d-file */
2067 v = VariantWildCastle;
2072 /* Castling illegal even if K & R happen to start in
2073 normal positions. */
2074 v = VariantNoCastle;
2087 /* Castling legal iff K & R start in normal positions */
2093 /* Special wilds for position setup; unclear what to do here */
2094 v = VariantLoadable;
2097 /* Bizarre ICC game */
2098 v = VariantTwoKings;
2101 v = VariantKriegspiel;
2107 v = VariantFischeRandom;
2110 v = VariantCrazyhouse;
2113 v = VariantBughouse;
2119 /* Not quite the same as FICS suicide! */
2120 v = VariantGiveaway;
2126 v = VariantShatranj;
2129 /* Temporary names for future ICC types. The name *will* change in
2130 the next xboard/WinBoard release after ICC defines it. */
2168 v = VariantCapablanca;
2171 v = VariantKnightmate;
2177 v = VariantCylinder;
2183 v = VariantCapaRandom;
2186 v = VariantBerolina;
2198 /* Found "wild" or "w" in the string but no number;
2199 must assume it's normal chess. */
2203 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2204 if( (len >= MSG_SIZ) && appData.debugMode )
2205 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2207 DisplayError(buf, 0);
2213 if (appData.debugMode) {
2214 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2215 e, wnum, VariantName(v));
2220 static int leftover_start = 0, leftover_len = 0;
2221 char star_match[STAR_MATCH_N][MSG_SIZ];
2223 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2224 advance *index beyond it, and set leftover_start to the new value of
2225 *index; else return FALSE. If pattern contains the character '*', it
2226 matches any sequence of characters not containing '\r', '\n', or the
2227 character following the '*' (if any), and the matched sequence(s) are
2228 copied into star_match.
2231 looking_at ( char *buf, int *index, char *pattern)
2233 char *bufp = &buf[*index], *patternp = pattern;
2235 char *matchp = star_match[0];
2238 if (*patternp == NULLCHAR) {
2239 *index = leftover_start = bufp - buf;
2243 if (*bufp == NULLCHAR) return FALSE;
2244 if (*patternp == '*') {
2245 if (*bufp == *(patternp + 1)) {
2247 matchp = star_match[++star_count];
2251 } else if (*bufp == '\n' || *bufp == '\r') {
2253 if (*patternp == NULLCHAR)
2258 *matchp++ = *bufp++;
2262 if (*patternp != *bufp) return FALSE;
2269 SendToPlayer (char *data, int length)
2271 int error, outCount;
2272 outCount = OutputToProcess(NoProc, data, length, &error);
2273 if (outCount < length) {
2274 DisplayFatalError(_("Error writing to display"), error, 1);
2279 PackHolding (char packed[], char *holding)
2289 switch (runlength) {
2300 sprintf(q, "%d", runlength);
2312 /* Telnet protocol requests from the front end */
2314 TelnetRequest (unsigned char ddww, unsigned char option)
2316 unsigned char msg[3];
2317 int outCount, outError;
2319 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2321 if (appData.debugMode) {
2322 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2338 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2347 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2350 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2355 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2357 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2364 if (!appData.icsActive) return;
2365 TelnetRequest(TN_DO, TN_ECHO);
2371 if (!appData.icsActive) return;
2372 TelnetRequest(TN_DONT, TN_ECHO);
2376 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2378 /* put the holdings sent to us by the server on the board holdings area */
2379 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2383 if(gameInfo.holdingsWidth < 2) return;
2384 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2385 return; // prevent overwriting by pre-board holdings
2387 if( (int)lowestPiece >= BlackPawn ) {
2390 holdingsStartRow = BOARD_HEIGHT-1;
2393 holdingsColumn = BOARD_WIDTH-1;
2394 countsColumn = BOARD_WIDTH-2;
2395 holdingsStartRow = 0;
2399 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2400 board[i][holdingsColumn] = EmptySquare;
2401 board[i][countsColumn] = (ChessSquare) 0;
2403 while( (p=*holdings++) != NULLCHAR ) {
2404 piece = CharToPiece( ToUpper(p) );
2405 if(piece == EmptySquare) continue;
2406 /*j = (int) piece - (int) WhitePawn;*/
2407 j = PieceToNumber(piece);
2408 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2409 if(j < 0) continue; /* should not happen */
2410 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2411 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2412 board[holdingsStartRow+j*direction][countsColumn]++;
2418 VariantSwitch (Board board, VariantClass newVariant)
2420 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2421 static Board oldBoard;
2423 startedFromPositionFile = FALSE;
2424 if(gameInfo.variant == newVariant) return;
2426 /* [HGM] This routine is called each time an assignment is made to
2427 * gameInfo.variant during a game, to make sure the board sizes
2428 * are set to match the new variant. If that means adding or deleting
2429 * holdings, we shift the playing board accordingly
2430 * This kludge is needed because in ICS observe mode, we get boards
2431 * of an ongoing game without knowing the variant, and learn about the
2432 * latter only later. This can be because of the move list we requested,
2433 * in which case the game history is refilled from the beginning anyway,
2434 * but also when receiving holdings of a crazyhouse game. In the latter
2435 * case we want to add those holdings to the already received position.
2439 if (appData.debugMode) {
2440 fprintf(debugFP, "Switch board from %s to %s\n",
2441 VariantName(gameInfo.variant), VariantName(newVariant));
2442 setbuf(debugFP, NULL);
2444 shuffleOpenings = 0; /* [HGM] shuffle */
2445 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2449 newWidth = 9; newHeight = 9;
2450 gameInfo.holdingsSize = 7;
2451 case VariantBughouse:
2452 case VariantCrazyhouse:
2453 newHoldingsWidth = 2; break;
2457 newHoldingsWidth = 2;
2458 gameInfo.holdingsSize = 8;
2461 case VariantCapablanca:
2462 case VariantCapaRandom:
2465 newHoldingsWidth = gameInfo.holdingsSize = 0;
2468 if(newWidth != gameInfo.boardWidth ||
2469 newHeight != gameInfo.boardHeight ||
2470 newHoldingsWidth != gameInfo.holdingsWidth ) {
2472 /* shift position to new playing area, if needed */
2473 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2474 for(i=0; i<BOARD_HEIGHT; i++)
2475 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2476 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2478 for(i=0; i<newHeight; i++) {
2479 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2480 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2482 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2483 for(i=0; i<BOARD_HEIGHT; i++)
2484 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2485 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2488 board[HOLDINGS_SET] = 0;
2489 gameInfo.boardWidth = newWidth;
2490 gameInfo.boardHeight = newHeight;
2491 gameInfo.holdingsWidth = newHoldingsWidth;
2492 gameInfo.variant = newVariant;
2493 InitDrawingSizes(-2, 0);
2494 } else gameInfo.variant = newVariant;
2495 CopyBoard(oldBoard, board); // remember correctly formatted board
2496 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2497 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2500 static int loggedOn = FALSE;
2502 /*-- Game start info cache: --*/
2504 char gs_kind[MSG_SIZ];
2505 static char player1Name[128] = "";
2506 static char player2Name[128] = "";
2507 static char cont_seq[] = "\n\\ ";
2508 static int player1Rating = -1;
2509 static int player2Rating = -1;
2510 /*----------------------------*/
2512 ColorClass curColor = ColorNormal;
2513 int suppressKibitz = 0;
2516 Boolean soughtPending = FALSE;
2517 Boolean seekGraphUp;
2518 #define MAX_SEEK_ADS 200
2520 char *seekAdList[MAX_SEEK_ADS];
2521 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2522 float tcList[MAX_SEEK_ADS];
2523 char colorList[MAX_SEEK_ADS];
2524 int nrOfSeekAds = 0;
2525 int minRating = 1010, maxRating = 2800;
2526 int hMargin = 10, vMargin = 20, h, w;
2527 extern int squareSize, lineGap;
2532 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2533 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2534 if(r < minRating+100 && r >=0 ) r = minRating+100;
2535 if(r > maxRating) r = maxRating;
2536 if(tc < 1.f) tc = 1.f;
2537 if(tc > 95.f) tc = 95.f;
2538 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2539 y = ((double)r - minRating)/(maxRating - minRating)
2540 * (h-vMargin-squareSize/8-1) + vMargin;
2541 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2542 if(strstr(seekAdList[i], " u ")) color = 1;
2543 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2544 !strstr(seekAdList[i], "bullet") &&
2545 !strstr(seekAdList[i], "blitz") &&
2546 !strstr(seekAdList[i], "standard") ) color = 2;
2547 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2548 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2552 PlotSingleSeekAd (int i)
2558 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2560 char buf[MSG_SIZ], *ext = "";
2561 VariantClass v = StringToVariant(type);
2562 if(strstr(type, "wild")) {
2563 ext = type + 4; // append wild number
2564 if(v == VariantFischeRandom) type = "chess960"; else
2565 if(v == VariantLoadable) type = "setup"; else
2566 type = VariantName(v);
2568 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2569 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2570 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2571 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2572 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2573 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2574 seekNrList[nrOfSeekAds] = nr;
2575 zList[nrOfSeekAds] = 0;
2576 seekAdList[nrOfSeekAds++] = StrSave(buf);
2577 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2582 EraseSeekDot (int i)
2584 int x = xList[i], y = yList[i], d=squareSize/4, k;
2585 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2586 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2587 // now replot every dot that overlapped
2588 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2589 int xx = xList[k], yy = yList[k];
2590 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2591 DrawSeekDot(xx, yy, colorList[k]);
2596 RemoveSeekAd (int nr)
2599 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2601 if(seekAdList[i]) free(seekAdList[i]);
2602 seekAdList[i] = seekAdList[--nrOfSeekAds];
2603 seekNrList[i] = seekNrList[nrOfSeekAds];
2604 ratingList[i] = ratingList[nrOfSeekAds];
2605 colorList[i] = colorList[nrOfSeekAds];
2606 tcList[i] = tcList[nrOfSeekAds];
2607 xList[i] = xList[nrOfSeekAds];
2608 yList[i] = yList[nrOfSeekAds];
2609 zList[i] = zList[nrOfSeekAds];
2610 seekAdList[nrOfSeekAds] = NULL;
2616 MatchSoughtLine (char *line)
2618 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2619 int nr, base, inc, u=0; char dummy;
2621 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2622 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2624 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2625 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2626 // match: compact and save the line
2627 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2637 if(!seekGraphUp) return FALSE;
2638 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2639 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2641 DrawSeekBackground(0, 0, w, h);
2642 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2643 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2644 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2645 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2647 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2650 snprintf(buf, MSG_SIZ, "%d", i);
2651 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2654 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2655 for(i=1; i<100; i+=(i<10?1:5)) {
2656 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2657 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2658 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2660 snprintf(buf, MSG_SIZ, "%d", i);
2661 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2664 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2669 SeekGraphClick (ClickType click, int x, int y, int moving)
2671 static int lastDown = 0, displayed = 0, lastSecond;
2672 if(y < 0) return FALSE;
2673 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2674 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2675 if(!seekGraphUp) return FALSE;
2676 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2677 DrawPosition(TRUE, NULL);
2680 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2681 if(click == Release || moving) return FALSE;
2683 soughtPending = TRUE;
2684 SendToICS(ics_prefix);
2685 SendToICS("sought\n"); // should this be "sought all"?
2686 } else { // issue challenge based on clicked ad
2687 int dist = 10000; int i, closest = 0, second = 0;
2688 for(i=0; i<nrOfSeekAds; i++) {
2689 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2690 if(d < dist) { dist = d; closest = i; }
2691 second += (d - zList[i] < 120); // count in-range ads
2692 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2696 second = (second > 1);
2697 if(displayed != closest || second != lastSecond) {
2698 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2699 lastSecond = second; displayed = closest;
2701 if(click == Press) {
2702 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2705 } // on press 'hit', only show info
2706 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2707 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2708 SendToICS(ics_prefix);
2710 return TRUE; // let incoming board of started game pop down the graph
2711 } else if(click == Release) { // release 'miss' is ignored
2712 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2713 if(moving == 2) { // right up-click
2714 nrOfSeekAds = 0; // refresh graph
2715 soughtPending = TRUE;
2716 SendToICS(ics_prefix);
2717 SendToICS("sought\n"); // should this be "sought all"?
2720 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2721 // press miss or release hit 'pop down' seek graph
2722 seekGraphUp = FALSE;
2723 DrawPosition(TRUE, NULL);
2729 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2731 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2732 #define STARTED_NONE 0
2733 #define STARTED_MOVES 1
2734 #define STARTED_BOARD 2
2735 #define STARTED_OBSERVE 3
2736 #define STARTED_HOLDINGS 4
2737 #define STARTED_CHATTER 5
2738 #define STARTED_COMMENT 6
2739 #define STARTED_MOVES_NOHIDE 7
2741 static int started = STARTED_NONE;
2742 static char parse[20000];
2743 static int parse_pos = 0;
2744 static char buf[BUF_SIZE + 1];
2745 static int firstTime = TRUE, intfSet = FALSE;
2746 static ColorClass prevColor = ColorNormal;
2747 static int savingComment = FALSE;
2748 static int cmatch = 0; // continuation sequence match
2755 int backup; /* [DM] For zippy color lines */
2757 char talker[MSG_SIZ]; // [HGM] chat
2760 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2762 if (appData.debugMode) {
2764 fprintf(debugFP, "<ICS: ");
2765 show_bytes(debugFP, data, count);
2766 fprintf(debugFP, "\n");
2770 if (appData.debugMode) { int f = forwardMostMove;
2771 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2772 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2773 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2776 /* If last read ended with a partial line that we couldn't parse,
2777 prepend it to the new read and try again. */
2778 if (leftover_len > 0) {
2779 for (i=0; i<leftover_len; i++)
2780 buf[i] = buf[leftover_start + i];
2783 /* copy new characters into the buffer */
2784 bp = buf + leftover_len;
2785 buf_len=leftover_len;
2786 for (i=0; i<count; i++)
2789 if (data[i] == '\r')
2792 // join lines split by ICS?
2793 if (!appData.noJoin)
2796 Joining just consists of finding matches against the
2797 continuation sequence, and discarding that sequence
2798 if found instead of copying it. So, until a match
2799 fails, there's nothing to do since it might be the
2800 complete sequence, and thus, something we don't want
2803 if (data[i] == cont_seq[cmatch])
2806 if (cmatch == strlen(cont_seq))
2808 cmatch = 0; // complete match. just reset the counter
2811 it's possible for the ICS to not include the space
2812 at the end of the last word, making our [correct]
2813 join operation fuse two separate words. the server
2814 does this when the space occurs at the width setting.
2816 if (!buf_len || buf[buf_len-1] != ' ')
2827 match failed, so we have to copy what matched before
2828 falling through and copying this character. In reality,
2829 this will only ever be just the newline character, but
2830 it doesn't hurt to be precise.
2832 strncpy(bp, cont_seq, cmatch);
2844 buf[buf_len] = NULLCHAR;
2845 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2850 while (i < buf_len) {
2851 /* Deal with part of the TELNET option negotiation
2852 protocol. We refuse to do anything beyond the
2853 defaults, except that we allow the WILL ECHO option,
2854 which ICS uses to turn off password echoing when we are
2855 directly connected to it. We reject this option
2856 if localLineEditing mode is on (always on in xboard)
2857 and we are talking to port 23, which might be a real
2858 telnet server that will try to keep WILL ECHO on permanently.
2860 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2861 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2862 unsigned char option;
2864 switch ((unsigned char) buf[++i]) {
2866 if (appData.debugMode)
2867 fprintf(debugFP, "\n<WILL ");
2868 switch (option = (unsigned char) buf[++i]) {
2870 if (appData.debugMode)
2871 fprintf(debugFP, "ECHO ");
2872 /* Reply only if this is a change, according
2873 to the protocol rules. */
2874 if (remoteEchoOption) break;
2875 if (appData.localLineEditing &&
2876 atoi(appData.icsPort) == TN_PORT) {
2877 TelnetRequest(TN_DONT, TN_ECHO);
2880 TelnetRequest(TN_DO, TN_ECHO);
2881 remoteEchoOption = TRUE;
2885 if (appData.debugMode)
2886 fprintf(debugFP, "%d ", option);
2887 /* Whatever this is, we don't want it. */
2888 TelnetRequest(TN_DONT, option);
2893 if (appData.debugMode)
2894 fprintf(debugFP, "\n<WONT ");
2895 switch (option = (unsigned char) buf[++i]) {
2897 if (appData.debugMode)
2898 fprintf(debugFP, "ECHO ");
2899 /* Reply only if this is a change, according
2900 to the protocol rules. */
2901 if (!remoteEchoOption) break;
2903 TelnetRequest(TN_DONT, TN_ECHO);
2904 remoteEchoOption = FALSE;
2907 if (appData.debugMode)
2908 fprintf(debugFP, "%d ", (unsigned char) option);
2909 /* Whatever this is, it must already be turned
2910 off, because we never agree to turn on
2911 anything non-default, so according to the
2912 protocol rules, we don't reply. */
2917 if (appData.debugMode)
2918 fprintf(debugFP, "\n<DO ");
2919 switch (option = (unsigned char) buf[++i]) {
2921 /* Whatever this is, we refuse to do it. */
2922 if (appData.debugMode)
2923 fprintf(debugFP, "%d ", option);
2924 TelnetRequest(TN_WONT, option);
2929 if (appData.debugMode)
2930 fprintf(debugFP, "\n<DONT ");
2931 switch (option = (unsigned char) buf[++i]) {
2933 if (appData.debugMode)
2934 fprintf(debugFP, "%d ", option);
2935 /* Whatever this is, we are already not doing
2936 it, because we never agree to do anything
2937 non-default, so according to the protocol
2938 rules, we don't reply. */
2943 if (appData.debugMode)
2944 fprintf(debugFP, "\n<IAC ");
2945 /* Doubled IAC; pass it through */
2949 if (appData.debugMode)
2950 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2951 /* Drop all other telnet commands on the floor */
2954 if (oldi > next_out)
2955 SendToPlayer(&buf[next_out], oldi - next_out);
2961 /* OK, this at least will *usually* work */
2962 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2966 if (loggedOn && !intfSet) {
2967 if (ics_type == ICS_ICC) {
2968 snprintf(str, MSG_SIZ,
2969 "/set-quietly interface %s\n/set-quietly style 12\n",
2971 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2972 strcat(str, "/set-2 51 1\n/set seek 1\n");
2973 } else if (ics_type == ICS_CHESSNET) {
2974 snprintf(str, MSG_SIZ, "/style 12\n");
2976 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2977 strcat(str, programVersion);
2978 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2979 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2980 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2982 strcat(str, "$iset nohighlight 1\n");
2984 strcat(str, "$iset lock 1\n$style 12\n");
2987 NotifyFrontendLogin();
2991 if (started == STARTED_COMMENT) {
2992 /* Accumulate characters in comment */
2993 parse[parse_pos++] = buf[i];
2994 if (buf[i] == '\n') {
2995 parse[parse_pos] = NULLCHAR;
2996 if(chattingPartner>=0) {
2998 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2999 OutputChatMessage(chattingPartner, mess);
3000 chattingPartner = -1;
3001 next_out = i+1; // [HGM] suppress printing in ICS window
3003 if(!suppressKibitz) // [HGM] kibitz
3004 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3005 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3006 int nrDigit = 0, nrAlph = 0, j;
3007 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3008 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3009 parse[parse_pos] = NULLCHAR;
3010 // try to be smart: if it does not look like search info, it should go to
3011 // ICS interaction window after all, not to engine-output window.
3012 for(j=0; j<parse_pos; j++) { // count letters and digits
3013 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3014 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3015 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3017 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3018 int depth=0; float score;
3019 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3020 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3021 pvInfoList[forwardMostMove-1].depth = depth;
3022 pvInfoList[forwardMostMove-1].score = 100*score;
3024 OutputKibitz(suppressKibitz, parse);
3027 if(gameMode == IcsObserving) // restore original ICS messages
3028 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3030 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3031 SendToPlayer(tmp, strlen(tmp));
3033 next_out = i+1; // [HGM] suppress printing in ICS window
3035 started = STARTED_NONE;
3037 /* Don't match patterns against characters in comment */
3042 if (started == STARTED_CHATTER) {
3043 if (buf[i] != '\n') {
3044 /* Don't match patterns against characters in chatter */
3048 started = STARTED_NONE;
3049 if(suppressKibitz) next_out = i+1;
3052 /* Kludge to deal with rcmd protocol */
3053 if (firstTime && looking_at(buf, &i, "\001*")) {
3054 DisplayFatalError(&buf[1], 0, 1);
3060 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3063 if (appData.debugMode)
3064 fprintf(debugFP, "ics_type %d\n", ics_type);
3067 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3068 ics_type = ICS_FICS;
3070 if (appData.debugMode)
3071 fprintf(debugFP, "ics_type %d\n", ics_type);
3074 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3075 ics_type = ICS_CHESSNET;
3077 if (appData.debugMode)
3078 fprintf(debugFP, "ics_type %d\n", ics_type);
3083 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3084 looking_at(buf, &i, "Logging you in as \"*\"") ||
3085 looking_at(buf, &i, "will be \"*\""))) {
3086 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3090 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3092 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3093 DisplayIcsInteractionTitle(buf);
3094 have_set_title = TRUE;
3097 /* skip finger notes */
3098 if (started == STARTED_NONE &&
3099 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3100 (buf[i] == '1' && buf[i+1] == '0')) &&
3101 buf[i+2] == ':' && buf[i+3] == ' ') {
3102 started = STARTED_CHATTER;
3108 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3109 if(appData.seekGraph) {
3110 if(soughtPending && MatchSoughtLine(buf+i)) {
3111 i = strstr(buf+i, "rated") - buf;
3112 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3113 next_out = leftover_start = i;
3114 started = STARTED_CHATTER;
3115 suppressKibitz = TRUE;
3118 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3119 && looking_at(buf, &i, "* ads displayed")) {
3120 soughtPending = FALSE;
3125 if(appData.autoRefresh) {
3126 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3127 int s = (ics_type == ICS_ICC); // ICC format differs
3129 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3130 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3131 looking_at(buf, &i, "*% "); // eat prompt
3132 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3133 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3134 next_out = i; // suppress
3137 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3138 char *p = star_match[0];
3140 if(seekGraphUp) RemoveSeekAd(atoi(p));
3141 while(*p && *p++ != ' '); // next
3143 looking_at(buf, &i, "*% "); // eat prompt
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3151 /* skip formula vars */
3152 if (started == STARTED_NONE &&
3153 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3154 started = STARTED_CHATTER;
3159 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3160 if (appData.autoKibitz && started == STARTED_NONE &&
3161 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3162 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3163 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3164 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3165 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3166 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3167 suppressKibitz = TRUE;
3168 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3170 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3171 && (gameMode == IcsPlayingWhite)) ||
3172 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3173 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3174 started = STARTED_CHATTER; // own kibitz we simply discard
3176 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3177 parse_pos = 0; parse[0] = NULLCHAR;
3178 savingComment = TRUE;
3179 suppressKibitz = gameMode != IcsObserving ? 2 :
3180 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3184 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3185 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3186 && atoi(star_match[0])) {
3187 // suppress the acknowledgements of our own autoKibitz
3189 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3190 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3191 SendToPlayer(star_match[0], strlen(star_match[0]));
3192 if(looking_at(buf, &i, "*% ")) // eat prompt
3193 suppressKibitz = FALSE;
3197 } // [HGM] kibitz: end of patch
3199 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3201 // [HGM] chat: intercept tells by users for which we have an open chat window
3203 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3204 looking_at(buf, &i, "* whispers:") ||
3205 looking_at(buf, &i, "* kibitzes:") ||
3206 looking_at(buf, &i, "* shouts:") ||
3207 looking_at(buf, &i, "* c-shouts:") ||
3208 looking_at(buf, &i, "--> * ") ||
3209 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3210 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3211 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3212 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3214 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3215 chattingPartner = -1;
3217 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3218 for(p=0; p<MAX_CHAT; p++) {
3219 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3220 talker[0] = '['; strcat(talker, "] ");
3221 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3222 chattingPartner = p; break;
3225 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3226 for(p=0; p<MAX_CHAT; p++) {
3227 if(!strcmp("kibitzes", chatPartner[p])) {
3228 talker[0] = '['; strcat(talker, "] ");
3229 chattingPartner = p; break;
3232 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3233 for(p=0; p<MAX_CHAT; p++) {
3234 if(!strcmp("whispers", chatPartner[p])) {
3235 talker[0] = '['; strcat(talker, "] ");
3236 chattingPartner = p; break;
3239 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3240 if(buf[i-8] == '-' && buf[i-3] == 't')
3241 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3242 if(!strcmp("c-shouts", chatPartner[p])) {
3243 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3244 chattingPartner = p; break;
3247 if(chattingPartner < 0)
3248 for(p=0; p<MAX_CHAT; p++) {
3249 if(!strcmp("shouts", chatPartner[p])) {
3250 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3251 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3252 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3253 chattingPartner = p; break;
3257 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3258 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3259 talker[0] = 0; Colorize(ColorTell, FALSE);
3260 chattingPartner = p; break;
3262 if(chattingPartner<0) i = oldi; else {
3263 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3264 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3265 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3266 started = STARTED_COMMENT;
3267 parse_pos = 0; parse[0] = NULLCHAR;
3268 savingComment = 3 + chattingPartner; // counts as TRUE
3269 suppressKibitz = TRUE;
3272 } // [HGM] chat: end of patch
3275 if (appData.zippyTalk || appData.zippyPlay) {
3276 /* [DM] Backup address for color zippy lines */
3278 if (loggedOn == TRUE)
3279 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3280 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3282 } // [DM] 'else { ' deleted
3284 /* Regular tells and says */
3285 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3286 looking_at(buf, &i, "* (your partner) tells you: ") ||
3287 looking_at(buf, &i, "* says: ") ||
3288 /* Don't color "message" or "messages" output */
3289 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3290 looking_at(buf, &i, "*. * at *:*: ") ||
3291 looking_at(buf, &i, "--* (*:*): ") ||
3292 /* Message notifications (same color as tells) */
3293 looking_at(buf, &i, "* has left a message ") ||
3294 looking_at(buf, &i, "* just sent you a message:\n") ||
3295 /* Whispers and kibitzes */
3296 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3297 looking_at(buf, &i, "* kibitzes: ") ||
3299 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3301 if (tkind == 1 && strchr(star_match[0], ':')) {
3302 /* Avoid "tells you:" spoofs in channels */
3305 if (star_match[0][0] == NULLCHAR ||
3306 strchr(star_match[0], ' ') ||
3307 (tkind == 3 && strchr(star_match[1], ' '))) {
3308 /* Reject bogus matches */
3311 if (appData.colorize) {
3312 if (oldi > next_out) {
3313 SendToPlayer(&buf[next_out], oldi - next_out);
3318 Colorize(ColorTell, FALSE);
3319 curColor = ColorTell;
3322 Colorize(ColorKibitz, FALSE);
3323 curColor = ColorKibitz;
3326 p = strrchr(star_match[1], '(');
3333 Colorize(ColorChannel1, FALSE);
3334 curColor = ColorChannel1;
3336 Colorize(ColorChannel, FALSE);
3337 curColor = ColorChannel;
3341 curColor = ColorNormal;
3345 if (started == STARTED_NONE && appData.autoComment &&
3346 (gameMode == IcsObserving ||
3347 gameMode == IcsPlayingWhite ||
3348 gameMode == IcsPlayingBlack)) {
3349 parse_pos = i - oldi;
3350 memcpy(parse, &buf[oldi], parse_pos);
3351 parse[parse_pos] = NULLCHAR;
3352 started = STARTED_COMMENT;
3353 savingComment = TRUE;
3355 started = STARTED_CHATTER;
3356 savingComment = FALSE;
3363 if (looking_at(buf, &i, "* s-shouts: ") ||
3364 looking_at(buf, &i, "* c-shouts: ")) {
3365 if (appData.colorize) {
3366 if (oldi > next_out) {
3367 SendToPlayer(&buf[next_out], oldi - next_out);
3370 Colorize(ColorSShout, FALSE);
3371 curColor = ColorSShout;
3374 started = STARTED_CHATTER;
3378 if (looking_at(buf, &i, "--->")) {
3383 if (looking_at(buf, &i, "* shouts: ") ||
3384 looking_at(buf, &i, "--> ")) {
3385 if (appData.colorize) {
3386 if (oldi > next_out) {
3387 SendToPlayer(&buf[next_out], oldi - next_out);
3390 Colorize(ColorShout, FALSE);
3391 curColor = ColorShout;
3394 started = STARTED_CHATTER;
3398 if (looking_at( buf, &i, "Challenge:")) {
3399 if (appData.colorize) {
3400 if (oldi > next_out) {
3401 SendToPlayer(&buf[next_out], oldi - next_out);
3404 Colorize(ColorChallenge, FALSE);
3405 curColor = ColorChallenge;
3411 if (looking_at(buf, &i, "* offers you") ||
3412 looking_at(buf, &i, "* offers to be") ||
3413 looking_at(buf, &i, "* would like to") ||
3414 looking_at(buf, &i, "* requests to") ||
3415 looking_at(buf, &i, "Your opponent offers") ||
3416 looking_at(buf, &i, "Your opponent requests")) {
3418 if (appData.colorize) {
3419 if (oldi > next_out) {
3420 SendToPlayer(&buf[next_out], oldi - next_out);
3423 Colorize(ColorRequest, FALSE);
3424 curColor = ColorRequest;
3429 if (looking_at(buf, &i, "* (*) seeking")) {
3430 if (appData.colorize) {
3431 if (oldi > next_out) {
3432 SendToPlayer(&buf[next_out], oldi - next_out);
3435 Colorize(ColorSeek, FALSE);
3436 curColor = ColorSeek;
3441 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3443 if (looking_at(buf, &i, "\\ ")) {
3444 if (prevColor != ColorNormal) {
3445 if (oldi > next_out) {
3446 SendToPlayer(&buf[next_out], oldi - next_out);
3449 Colorize(prevColor, TRUE);
3450 curColor = prevColor;
3452 if (savingComment) {
3453 parse_pos = i - oldi;
3454 memcpy(parse, &buf[oldi], parse_pos);
3455 parse[parse_pos] = NULLCHAR;
3456 started = STARTED_COMMENT;
3457 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3458 chattingPartner = savingComment - 3; // kludge to remember the box
3460 started = STARTED_CHATTER;
3465 if (looking_at(buf, &i, "Black Strength :") ||
3466 looking_at(buf, &i, "<<< style 10 board >>>") ||
3467 looking_at(buf, &i, "<10>") ||
3468 looking_at(buf, &i, "#@#")) {
3469 /* Wrong board style */
3471 SendToICS(ics_prefix);
3472 SendToICS("set style 12\n");
3473 SendToICS(ics_prefix);
3474 SendToICS("refresh\n");
3478 if (looking_at(buf, &i, "login:")) {
3479 if (!have_sent_ICS_logon) {
3481 have_sent_ICS_logon = 1;
3482 else // no init script was found
3483 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3484 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3485 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3490 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3491 (looking_at(buf, &i, "\n<12> ") ||
3492 looking_at(buf, &i, "<12> "))) {
3494 if (oldi > next_out) {
3495 SendToPlayer(&buf[next_out], oldi - next_out);
3498 started = STARTED_BOARD;
3503 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3504 looking_at(buf, &i, "<b1> ")) {
3505 if (oldi > next_out) {
3506 SendToPlayer(&buf[next_out], oldi - next_out);
3509 started = STARTED_HOLDINGS;
3514 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3516 /* Header for a move list -- first line */
3518 switch (ics_getting_history) {
3522 case BeginningOfGame:
3523 /* User typed "moves" or "oldmoves" while we
3524 were idle. Pretend we asked for these
3525 moves and soak them up so user can step
3526 through them and/or save them.
3529 gameMode = IcsObserving;
3532 ics_getting_history = H_GOT_UNREQ_HEADER;
3534 case EditGame: /*?*/
3535 case EditPosition: /*?*/
3536 /* Should above feature work in these modes too? */
3537 /* For now it doesn't */
3538 ics_getting_history = H_GOT_UNWANTED_HEADER;
3541 ics_getting_history = H_GOT_UNWANTED_HEADER;
3546 /* Is this the right one? */
3547 if (gameInfo.white && gameInfo.black &&
3548 strcmp(gameInfo.white, star_match[0]) == 0 &&
3549 strcmp(gameInfo.black, star_match[2]) == 0) {
3551 ics_getting_history = H_GOT_REQ_HEADER;
3554 case H_GOT_REQ_HEADER:
3555 case H_GOT_UNREQ_HEADER:
3556 case H_GOT_UNWANTED_HEADER:
3557 case H_GETTING_MOVES:
3558 /* Should not happen */
3559 DisplayError(_("Error gathering move list: two headers"), 0);
3560 ics_getting_history = H_FALSE;
3564 /* Save player ratings into gameInfo if needed */
3565 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3566 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3567 (gameInfo.whiteRating == -1 ||
3568 gameInfo.blackRating == -1)) {
3570 gameInfo.whiteRating = string_to_rating(star_match[1]);
3571 gameInfo.blackRating = string_to_rating(star_match[3]);
3572 if (appData.debugMode)
3573 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3574 gameInfo.whiteRating, gameInfo.blackRating);
3579 if (looking_at(buf, &i,
3580 "* * match, initial time: * minute*, increment: * second")) {
3581 /* Header for a move list -- second line */
3582 /* Initial board will follow if this is a wild game */
3583 if (gameInfo.event != NULL) free(gameInfo.event);
3584 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3585 gameInfo.event = StrSave(str);
3586 /* [HGM] we switched variant. Translate boards if needed. */
3587 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3591 if (looking_at(buf, &i, "Move ")) {
3592 /* Beginning of a move list */
3593 switch (ics_getting_history) {
3595 /* Normally should not happen */
3596 /* Maybe user hit reset while we were parsing */
3599 /* Happens if we are ignoring a move list that is not
3600 * the one we just requested. Common if the user
3601 * tries to observe two games without turning off
3604 case H_GETTING_MOVES:
3605 /* Should not happen */
3606 DisplayError(_("Error gathering move list: nested"), 0);
3607 ics_getting_history = H_FALSE;
3609 case H_GOT_REQ_HEADER:
3610 ics_getting_history = H_GETTING_MOVES;
3611 started = STARTED_MOVES;
3613 if (oldi > next_out) {
3614 SendToPlayer(&buf[next_out], oldi - next_out);
3617 case H_GOT_UNREQ_HEADER:
3618 ics_getting_history = H_GETTING_MOVES;
3619 started = STARTED_MOVES_NOHIDE;
3622 case H_GOT_UNWANTED_HEADER:
3623 ics_getting_history = H_FALSE;
3629 if (looking_at(buf, &i, "% ") ||
3630 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3631 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3632 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3633 soughtPending = FALSE;
3637 if(suppressKibitz) next_out = i;
3638 savingComment = FALSE;
3642 case STARTED_MOVES_NOHIDE:
3643 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3644 parse[parse_pos + i - oldi] = NULLCHAR;
3645 ParseGameHistory(parse);
3647 if (appData.zippyPlay && first.initDone) {
3648 FeedMovesToProgram(&first, forwardMostMove);
3649 if (gameMode == IcsPlayingWhite) {
3650 if (WhiteOnMove(forwardMostMove)) {
3651 if (first.sendTime) {
3652 if (first.useColors) {
3653 SendToProgram("black\n", &first);
3655 SendTimeRemaining(&first, TRUE);
3657 if (first.useColors) {
3658 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3660 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3661 first.maybeThinking = TRUE;
3663 if (first.usePlayother) {
3664 if (first.sendTime) {
3665 SendTimeRemaining(&first, TRUE);
3667 SendToProgram("playother\n", &first);
3673 } else if (gameMode == IcsPlayingBlack) {
3674 if (!WhiteOnMove(forwardMostMove)) {
3675 if (first.sendTime) {
3676 if (first.useColors) {
3677 SendToProgram("white\n", &first);
3679 SendTimeRemaining(&first, FALSE);
3681 if (first.useColors) {
3682 SendToProgram("black\n", &first);
3684 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3685 first.maybeThinking = TRUE;
3687 if (first.usePlayother) {
3688 if (first.sendTime) {
3689 SendTimeRemaining(&first, FALSE);
3691 SendToProgram("playother\n", &first);
3700 if (gameMode == IcsObserving && ics_gamenum == -1) {
3701 /* Moves came from oldmoves or moves command
3702 while we weren't doing anything else.
3704 currentMove = forwardMostMove;
3705 ClearHighlights();/*!!could figure this out*/
3706 flipView = appData.flipView;
3707 DrawPosition(TRUE, boards[currentMove]);
3708 DisplayBothClocks();
3709 snprintf(str, MSG_SIZ, "%s %s %s",
3710 gameInfo.white, _("vs."), gameInfo.black);
3714 /* Moves were history of an active game */
3715 if (gameInfo.resultDetails != NULL) {
3716 free(gameInfo.resultDetails);
3717 gameInfo.resultDetails = NULL;
3720 HistorySet(parseList, backwardMostMove,
3721 forwardMostMove, currentMove-1);
3722 DisplayMove(currentMove - 1);
3723 if (started == STARTED_MOVES) next_out = i;
3724 started = STARTED_NONE;
3725 ics_getting_history = H_FALSE;
3728 case STARTED_OBSERVE:
3729 started = STARTED_NONE;
3730 SendToICS(ics_prefix);
3731 SendToICS("refresh\n");
3737 if(bookHit) { // [HGM] book: simulate book reply
3738 static char bookMove[MSG_SIZ]; // a bit generous?
3740 programStats.nodes = programStats.depth = programStats.time =
3741 programStats.score = programStats.got_only_move = 0;
3742 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3744 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3745 strcat(bookMove, bookHit);
3746 HandleMachineMove(bookMove, &first);
3751 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3752 started == STARTED_HOLDINGS ||
3753 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3754 /* Accumulate characters in move list or board */
3755 parse[parse_pos++] = buf[i];
3758 /* Start of game messages. Mostly we detect start of game
3759 when the first board image arrives. On some versions
3760 of the ICS, though, we need to do a "refresh" after starting
3761 to observe in order to get the current board right away. */
3762 if (looking_at(buf, &i, "Adding game * to observation list")) {
3763 started = STARTED_OBSERVE;
3767 /* Handle auto-observe */
3768 if (appData.autoObserve &&
3769 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3770 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3772 /* Choose the player that was highlighted, if any. */
3773 if (star_match[0][0] == '\033' ||
3774 star_match[1][0] != '\033') {
3775 player = star_match[0];
3777 player = star_match[2];
3779 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3780 ics_prefix, StripHighlightAndTitle(player));
3783 /* Save ratings from notify string */
3784 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3785 player1Rating = string_to_rating(star_match[1]);
3786 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3787 player2Rating = string_to_rating(star_match[3]);
3789 if (appData.debugMode)
3791 "Ratings from 'Game notification:' %s %d, %s %d\n",
3792 player1Name, player1Rating,
3793 player2Name, player2Rating);
3798 /* Deal with automatic examine mode after a game,
3799 and with IcsObserving -> IcsExamining transition */
3800 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3801 looking_at(buf, &i, "has made you an examiner of game *")) {
3803 int gamenum = atoi(star_match[0]);
3804 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3805 gamenum == ics_gamenum) {
3806 /* We were already playing or observing this game;
3807 no need to refetch history */
3808 gameMode = IcsExamining;
3810 pauseExamForwardMostMove = forwardMostMove;
3811 } else if (currentMove < forwardMostMove) {
3812 ForwardInner(forwardMostMove);
3815 /* I don't think this case really can happen */
3816 SendToICS(ics_prefix);
3817 SendToICS("refresh\n");
3822 /* Error messages */
3823 // if (ics_user_moved) {
3824 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3825 if (looking_at(buf, &i, "Illegal move") ||
3826 looking_at(buf, &i, "Not a legal move") ||
3827 looking_at(buf, &i, "Your king is in check") ||
3828 looking_at(buf, &i, "It isn't your turn") ||
3829 looking_at(buf, &i, "It is not your move")) {
3831 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3832 currentMove = forwardMostMove-1;
3833 DisplayMove(currentMove - 1); /* before DMError */
3834 DrawPosition(FALSE, boards[currentMove]);
3835 SwitchClocks(forwardMostMove-1); // [HGM] race
3836 DisplayBothClocks();
3838 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3844 if (looking_at(buf, &i, "still have time") ||
3845 looking_at(buf, &i, "not out of time") ||
3846 looking_at(buf, &i, "either player is out of time") ||
3847 looking_at(buf, &i, "has timeseal; checking")) {
3848 /* We must have called his flag a little too soon */
3849 whiteFlag = blackFlag = FALSE;
3853 if (looking_at(buf, &i, "added * seconds to") ||
3854 looking_at(buf, &i, "seconds were added to")) {
3855 /* Update the clocks */
3856 SendToICS(ics_prefix);
3857 SendToICS("refresh\n");
3861 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3862 ics_clock_paused = TRUE;
3867 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3868 ics_clock_paused = FALSE;
3873 /* Grab player ratings from the Creating: message.
3874 Note we have to check for the special case when
3875 the ICS inserts things like [white] or [black]. */
3876 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3877 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3879 0 player 1 name (not necessarily white)
3881 2 empty, white, or black (IGNORED)
3882 3 player 2 name (not necessarily black)
3885 The names/ratings are sorted out when the game
3886 actually starts (below).
3888 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3889 player1Rating = string_to_rating(star_match[1]);
3890 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3891 player2Rating = string_to_rating(star_match[4]);
3893 if (appData.debugMode)
3895 "Ratings from 'Creating:' %s %d, %s %d\n",
3896 player1Name, player1Rating,
3897 player2Name, player2Rating);
3902 /* Improved generic start/end-of-game messages */
3903 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3904 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3905 /* If tkind == 0: */
3906 /* star_match[0] is the game number */
3907 /* [1] is the white player's name */
3908 /* [2] is the black player's name */
3909 /* For end-of-game: */
3910 /* [3] is the reason for the game end */
3911 /* [4] is a PGN end game-token, preceded by " " */
3912 /* For start-of-game: */
3913 /* [3] begins with "Creating" or "Continuing" */
3914 /* [4] is " *" or empty (don't care). */
3915 int gamenum = atoi(star_match[0]);
3916 char *whitename, *blackname, *why, *endtoken;
3917 ChessMove endtype = EndOfFile;
3920 whitename = star_match[1];
3921 blackname = star_match[2];
3922 why = star_match[3];
3923 endtoken = star_match[4];
3925 whitename = star_match[1];
3926 blackname = star_match[3];
3927 why = star_match[5];
3928 endtoken = star_match[6];
3931 /* Game start messages */
3932 if (strncmp(why, "Creating ", 9) == 0 ||
3933 strncmp(why, "Continuing ", 11) == 0) {
3934 gs_gamenum = gamenum;
3935 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3936 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3937 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3939 if (appData.zippyPlay) {
3940 ZippyGameStart(whitename, blackname);
3943 partnerBoardValid = FALSE; // [HGM] bughouse
3947 /* Game end messages */
3948 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3949 ics_gamenum != gamenum) {
3952 while (endtoken[0] == ' ') endtoken++;
3953 switch (endtoken[0]) {
3956 endtype = GameUnfinished;
3959 endtype = BlackWins;
3962 if (endtoken[1] == '/')
3963 endtype = GameIsDrawn;
3965 endtype = WhiteWins;
3968 GameEnds(endtype, why, GE_ICS);
3970 if (appData.zippyPlay && first.initDone) {
3971 ZippyGameEnd(endtype, why);
3972 if (first.pr == NoProc) {
3973 /* Start the next process early so that we'll
3974 be ready for the next challenge */
3975 StartChessProgram(&first);
3977 /* Send "new" early, in case this command takes
3978 a long time to finish, so that we'll be ready
3979 for the next challenge. */
3980 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3984 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3988 if (looking_at(buf, &i, "Removing game * from observation") ||
3989 looking_at(buf, &i, "no longer observing game *") ||
3990 looking_at(buf, &i, "Game * (*) has no examiners")) {
3991 if (gameMode == IcsObserving &&
3992 atoi(star_match[0]) == ics_gamenum)
3994 /* icsEngineAnalyze */
3995 if (appData.icsEngineAnalyze) {
4002 ics_user_moved = FALSE;
4007 if (looking_at(buf, &i, "no longer examining game *")) {
4008 if (gameMode == IcsExamining &&
4009 atoi(star_match[0]) == ics_gamenum)
4013 ics_user_moved = FALSE;
4018 /* Advance leftover_start past any newlines we find,
4019 so only partial lines can get reparsed */
4020 if (looking_at(buf, &i, "\n")) {
4021 prevColor = curColor;
4022 if (curColor != ColorNormal) {
4023 if (oldi > next_out) {
4024 SendToPlayer(&buf[next_out], oldi - next_out);
4027 Colorize(ColorNormal, FALSE);
4028 curColor = ColorNormal;
4030 if (started == STARTED_BOARD) {
4031 started = STARTED_NONE;
4032 parse[parse_pos] = NULLCHAR;
4033 ParseBoard12(parse);
4036 /* Send premove here */
4037 if (appData.premove) {
4039 if (currentMove == 0 &&
4040 gameMode == IcsPlayingWhite &&
4041 appData.premoveWhite) {
4042 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4043 if (appData.debugMode)
4044 fprintf(debugFP, "Sending premove:\n");
4046 } else if (currentMove == 1 &&
4047 gameMode == IcsPlayingBlack &&
4048 appData.premoveBlack) {
4049 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4050 if (appData.debugMode)
4051 fprintf(debugFP, "Sending premove:\n");
4053 } else if (gotPremove) {
4055 ClearPremoveHighlights();
4056 if (appData.debugMode)
4057 fprintf(debugFP, "Sending premove:\n");
4058 UserMoveEvent(premoveFromX, premoveFromY,
4059 premoveToX, premoveToY,
4064 /* Usually suppress following prompt */
4065 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4066 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4067 if (looking_at(buf, &i, "*% ")) {
4068 savingComment = FALSE;
4073 } else if (started == STARTED_HOLDINGS) {
4075 char new_piece[MSG_SIZ];
4076 started = STARTED_NONE;
4077 parse[parse_pos] = NULLCHAR;
4078 if (appData.debugMode)
4079 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4080 parse, currentMove);
4081 if (sscanf(parse, " game %d", &gamenum) == 1) {
4082 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4083 if (gameInfo.variant == VariantNormal) {
4084 /* [HGM] We seem to switch variant during a game!
4085 * Presumably no holdings were displayed, so we have
4086 * to move the position two files to the right to
4087 * create room for them!
4089 VariantClass newVariant;
4090 switch(gameInfo.boardWidth) { // base guess on board width
4091 case 9: newVariant = VariantShogi; break;
4092 case 10: newVariant = VariantGreat; break;
4093 default: newVariant = VariantCrazyhouse; break;
4095 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4096 /* Get a move list just to see the header, which
4097 will tell us whether this is really bug or zh */
4098 if (ics_getting_history == H_FALSE) {
4099 ics_getting_history = H_REQUESTED;
4100 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4104 new_piece[0] = NULLCHAR;
4105 sscanf(parse, "game %d white [%s black [%s <- %s",
4106 &gamenum, white_holding, black_holding,
4108 white_holding[strlen(white_holding)-1] = NULLCHAR;
4109 black_holding[strlen(black_holding)-1] = NULLCHAR;
4110 /* [HGM] copy holdings to board holdings area */
4111 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4112 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4113 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4115 if (appData.zippyPlay && first.initDone) {
4116 ZippyHoldings(white_holding, black_holding,
4120 if (tinyLayout || smallLayout) {
4121 char wh[16], bh[16];
4122 PackHolding(wh, white_holding);
4123 PackHolding(bh, black_holding);
4124 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4125 gameInfo.white, gameInfo.black);
4127 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4128 gameInfo.white, white_holding, _("vs."),
4129 gameInfo.black, black_holding);
4131 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4132 DrawPosition(FALSE, boards[currentMove]);
4134 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4135 sscanf(parse, "game %d white [%s black [%s <- %s",
4136 &gamenum, white_holding, black_holding,
4138 white_holding[strlen(white_holding)-1] = NULLCHAR;
4139 black_holding[strlen(black_holding)-1] = NULLCHAR;
4140 /* [HGM] copy holdings to partner-board holdings area */
4141 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4142 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4143 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4144 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4145 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4148 /* Suppress following prompt */
4149 if (looking_at(buf, &i, "*% ")) {
4150 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4151 savingComment = FALSE;
4159 i++; /* skip unparsed character and loop back */
4162 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4163 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4164 // SendToPlayer(&buf[next_out], i - next_out);
4165 started != STARTED_HOLDINGS && leftover_start > next_out) {
4166 SendToPlayer(&buf[next_out], leftover_start - next_out);
4170 leftover_len = buf_len - leftover_start;
4171 /* if buffer ends with something we couldn't parse,
4172 reparse it after appending the next read */
4174 } else if (count == 0) {
4175 RemoveInputSource(isr);
4176 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4178 DisplayFatalError(_("Error reading from ICS"), error, 1);
4183 /* Board style 12 looks like this:
4185 <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
4187 * The "<12> " is stripped before it gets to this routine. The two
4188 * trailing 0's (flip state and clock ticking) are later addition, and
4189 * some chess servers may not have them, or may have only the first.
4190 * Additional trailing fields may be added in the future.
4193 #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"
4195 #define RELATION_OBSERVING_PLAYED 0
4196 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4197 #define RELATION_PLAYING_MYMOVE 1
4198 #define RELATION_PLAYING_NOTMYMOVE -1
4199 #define RELATION_EXAMINING 2
4200 #define RELATION_ISOLATED_BOARD -3
4201 #define RELATION_STARTING_POSITION -4 /* FICS only */
4204 ParseBoard12 (char *string)
4208 char *bookHit = NULL; // [HGM] book
4210 GameMode newGameMode;
4211 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4212 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4213 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4214 char to_play, board_chars[200];
4215 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4216 char black[32], white[32];
4218 int prevMove = currentMove;
4221 int fromX, fromY, toX, toY;
4223 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4224 Boolean weird = FALSE, reqFlag = FALSE;
4226 fromX = fromY = toX = toY = -1;
4230 if (appData.debugMode)
4231 fprintf(debugFP, "Parsing board: %s\n", string);
4233 move_str[0] = NULLCHAR;
4234 elapsed_time[0] = NULLCHAR;
4235 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4237 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4238 if(string[i] == ' ') { ranks++; files = 0; }
4240 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4243 for(j = 0; j <i; j++) board_chars[j] = string[j];
4244 board_chars[i] = '\0';
4247 n = sscanf(string, PATTERN, &to_play, &double_push,
4248 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4249 &gamenum, white, black, &relation, &basetime, &increment,
4250 &white_stren, &black_stren, &white_time, &black_time,
4251 &moveNum, str, elapsed_time, move_str, &ics_flip,
4255 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4256 DisplayError(str, 0);
4260 /* Convert the move number to internal form */
4261 moveNum = (moveNum - 1) * 2;
4262 if (to_play == 'B') moveNum++;
4263 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4264 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4270 case RELATION_OBSERVING_PLAYED:
4271 case RELATION_OBSERVING_STATIC:
4272 if (gamenum == -1) {
4273 /* Old ICC buglet */
4274 relation = RELATION_OBSERVING_STATIC;
4276 newGameMode = IcsObserving;
4278 case RELATION_PLAYING_MYMOVE:
4279 case RELATION_PLAYING_NOTMYMOVE:
4281 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4282 IcsPlayingWhite : IcsPlayingBlack;
4283 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4285 case RELATION_EXAMINING:
4286 newGameMode = IcsExamining;
4288 case RELATION_ISOLATED_BOARD:
4290 /* Just display this board. If user was doing something else,
4291 we will forget about it until the next board comes. */
4292 newGameMode = IcsIdle;
4294 case RELATION_STARTING_POSITION:
4295 newGameMode = gameMode;
4299 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4300 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4301 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4302 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4303 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4304 static int lastBgGame = -1;
4306 for (k = 0; k < ranks; k++) {
4307 for (j = 0; j < files; j++)
4308 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4309 if(gameInfo.holdingsWidth > 1) {
4310 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4311 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4314 CopyBoard(partnerBoard, board);
4315 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4316 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4317 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4318 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4319 if(toSqr = strchr(str, '-')) {
4320 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4321 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4322 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4323 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4324 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4325 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4327 DisplayWhiteClock(white_time*fac, to_play == 'W');
4328 DisplayBlackClock(black_time*fac, to_play != 'W');
4329 activePartner = to_play;
4330 if(gamenum != lastBgGame) {
4332 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4335 lastBgGame = gamenum;
4336 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4337 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4338 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4339 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4340 if(!twoBoards) DisplayMessage(partnerStatus, "");
4341 partnerBoardValid = TRUE;
4345 if(appData.dualBoard && appData.bgObserve) {
4346 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4347 SendToICS(ics_prefix), SendToICS("pobserve\n");
4348 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4350 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4355 /* Modify behavior for initial board display on move listing
4358 switch (ics_getting_history) {
4362 case H_GOT_REQ_HEADER:
4363 case H_GOT_UNREQ_HEADER:
4364 /* This is the initial position of the current game */
4365 gamenum = ics_gamenum;
4366 moveNum = 0; /* old ICS bug workaround */
4367 if (to_play == 'B') {
4368 startedFromSetupPosition = TRUE;
4369 blackPlaysFirst = TRUE;
4371 if (forwardMostMove == 0) forwardMostMove = 1;
4372 if (backwardMostMove == 0) backwardMostMove = 1;
4373 if (currentMove == 0) currentMove = 1;
4375 newGameMode = gameMode;
4376 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4378 case H_GOT_UNWANTED_HEADER:
4379 /* This is an initial board that we don't want */
4381 case H_GETTING_MOVES:
4382 /* Should not happen */
4383 DisplayError(_("Error gathering move list: extra board"), 0);
4384 ics_getting_history = H_FALSE;
4388 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4389 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4390 weird && (int)gameInfo.variant < (int)VariantShogi) {
4391 /* [HGM] We seem to have switched variant unexpectedly
4392 * Try to guess new variant from board size
4394 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4395 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4396 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4397 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4398 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4399 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4400 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4401 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4402 /* Get a move list just to see the header, which
4403 will tell us whether this is really bug or zh */
4404 if (ics_getting_history == H_FALSE) {
4405 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4406 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4411 /* Take action if this is the first board of a new game, or of a
4412 different game than is currently being displayed. */
4413 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4414 relation == RELATION_ISOLATED_BOARD) {
4416 /* Forget the old game and get the history (if any) of the new one */
4417 if (gameMode != BeginningOfGame) {
4421 if (appData.autoRaiseBoard) BoardToTop();
4423 if (gamenum == -1) {
4424 newGameMode = IcsIdle;
4425 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4426 appData.getMoveList && !reqFlag) {
4427 /* Need to get game history */
4428 ics_getting_history = H_REQUESTED;
4429 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4433 /* Initially flip the board to have black on the bottom if playing
4434 black or if the ICS flip flag is set, but let the user change
4435 it with the Flip View button. */
4436 flipView = appData.autoFlipView ?
4437 (newGameMode == IcsPlayingBlack) || ics_flip :
4440 /* Done with values from previous mode; copy in new ones */
4441 gameMode = newGameMode;
4443 ics_gamenum = gamenum;
4444 if (gamenum == gs_gamenum) {
4445 int klen = strlen(gs_kind);
4446 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4447 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4448 gameInfo.event = StrSave(str);
4450 gameInfo.event = StrSave("ICS game");
4452 gameInfo.site = StrSave(appData.icsHost);
4453 gameInfo.date = PGNDate();
4454 gameInfo.round = StrSave("-");
4455 gameInfo.white = StrSave(white);
4456 gameInfo.black = StrSave(black);
4457 timeControl = basetime * 60 * 1000;
4459 timeIncrement = increment * 1000;
4460 movesPerSession = 0;
4461 gameInfo.timeControl = TimeControlTagValue();
4462 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4463 if (appData.debugMode) {
4464 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4465 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4466 setbuf(debugFP, NULL);
4469 gameInfo.outOfBook = NULL;
4471 /* Do we have the ratings? */
4472 if (strcmp(player1Name, white) == 0 &&
4473 strcmp(player2Name, black) == 0) {
4474 if (appData.debugMode)
4475 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4476 player1Rating, player2Rating);
4477 gameInfo.whiteRating = player1Rating;
4478 gameInfo.blackRating = player2Rating;
4479 } else if (strcmp(player2Name, white) == 0 &&
4480 strcmp(player1Name, black) == 0) {
4481 if (appData.debugMode)
4482 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4483 player2Rating, player1Rating);
4484 gameInfo.whiteRating = player2Rating;
4485 gameInfo.blackRating = player1Rating;
4487 player1Name[0] = player2Name[0] = NULLCHAR;
4489 /* Silence shouts if requested */
4490 if (appData.quietPlay &&
4491 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4492 SendToICS(ics_prefix);
4493 SendToICS("set shout 0\n");
4497 /* Deal with midgame name changes */
4499 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4500 if (gameInfo.white) free(gameInfo.white);
4501 gameInfo.white = StrSave(white);
4503 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4504 if (gameInfo.black) free(gameInfo.black);
4505 gameInfo.black = StrSave(black);
4509 /* Throw away game result if anything actually changes in examine mode */
4510 if (gameMode == IcsExamining && !newGame) {
4511 gameInfo.result = GameUnfinished;
4512 if (gameInfo.resultDetails != NULL) {
4513 free(gameInfo.resultDetails);
4514 gameInfo.resultDetails = NULL;
4518 /* In pausing && IcsExamining mode, we ignore boards coming
4519 in if they are in a different variation than we are. */
4520 if (pauseExamInvalid) return;
4521 if (pausing && gameMode == IcsExamining) {
4522 if (moveNum <= pauseExamForwardMostMove) {
4523 pauseExamInvalid = TRUE;
4524 forwardMostMove = pauseExamForwardMostMove;
4529 if (appData.debugMode) {
4530 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4532 /* Parse the board */
4533 for (k = 0; k < ranks; k++) {
4534 for (j = 0; j < files; j++)
4535 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4536 if(gameInfo.holdingsWidth > 1) {
4537 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4538 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4541 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4542 board[5][BOARD_RGHT+1] = WhiteAngel;
4543 board[6][BOARD_RGHT+1] = WhiteMarshall;
4544 board[1][0] = BlackMarshall;
4545 board[2][0] = BlackAngel;
4546 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4548 CopyBoard(boards[moveNum], board);
4549 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4551 startedFromSetupPosition =
4552 !CompareBoards(board, initialPosition);
4553 if(startedFromSetupPosition)
4554 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4557 /* [HGM] Set castling rights. Take the outermost Rooks,
4558 to make it also work for FRC opening positions. Note that board12
4559 is really defective for later FRC positions, as it has no way to
4560 indicate which Rook can castle if they are on the same side of King.
4561 For the initial position we grant rights to the outermost Rooks,
4562 and remember thos rights, and we then copy them on positions
4563 later in an FRC game. This means WB might not recognize castlings with
4564 Rooks that have moved back to their original position as illegal,
4565 but in ICS mode that is not its job anyway.
4567 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4568 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4570 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4571 if(board[0][i] == WhiteRook) j = i;
4572 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4573 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4574 if(board[0][i] == WhiteRook) j = i;
4575 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4576 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4577 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4578 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4579 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4580 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4581 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4583 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4584 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4585 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4586 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4587 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4588 if(board[BOARD_HEIGHT-1][k] == bKing)
4589 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4590 if(gameInfo.variant == VariantTwoKings) {
4591 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4592 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4593 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4596 r = boards[moveNum][CASTLING][0] = initialRights[0];
4597 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4598 r = boards[moveNum][CASTLING][1] = initialRights[1];
4599 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4600 r = boards[moveNum][CASTLING][3] = initialRights[3];
4601 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4602 r = boards[moveNum][CASTLING][4] = initialRights[4];
4603 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4604 /* wildcastle kludge: always assume King has rights */
4605 r = boards[moveNum][CASTLING][2] = initialRights[2];
4606 r = boards[moveNum][CASTLING][5] = initialRights[5];
4608 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4609 boards[moveNum][EP_STATUS] = EP_NONE;
4610 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4611 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4612 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4615 if (ics_getting_history == H_GOT_REQ_HEADER ||
4616 ics_getting_history == H_GOT_UNREQ_HEADER) {
4617 /* This was an initial position from a move list, not
4618 the current position */
4622 /* Update currentMove and known move number limits */
4623 newMove = newGame || moveNum > forwardMostMove;
4626 forwardMostMove = backwardMostMove = currentMove = moveNum;
4627 if (gameMode == IcsExamining && moveNum == 0) {
4628 /* Workaround for ICS limitation: we are not told the wild
4629 type when starting to examine a game. But if we ask for
4630 the move list, the move list header will tell us */
4631 ics_getting_history = H_REQUESTED;
4632 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4635 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4636 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4638 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4639 /* [HGM] applied this also to an engine that is silently watching */
4640 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4641 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4642 gameInfo.variant == currentlyInitializedVariant) {
4643 takeback = forwardMostMove - moveNum;
4644 for (i = 0; i < takeback; i++) {
4645 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4646 SendToProgram("undo\n", &first);
4651 forwardMostMove = moveNum;
4652 if (!pausing || currentMove > forwardMostMove)
4653 currentMove = forwardMostMove;
4655 /* New part of history that is not contiguous with old part */
4656 if (pausing && gameMode == IcsExamining) {
4657 pauseExamInvalid = TRUE;
4658 forwardMostMove = pauseExamForwardMostMove;
4661 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4663 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4664 // [HGM] when we will receive the move list we now request, it will be
4665 // fed to the engine from the first move on. So if the engine is not
4666 // in the initial position now, bring it there.
4667 InitChessProgram(&first, 0);
4670 ics_getting_history = H_REQUESTED;
4671 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4674 forwardMostMove = backwardMostMove = currentMove = moveNum;
4677 /* Update the clocks */
4678 if (strchr(elapsed_time, '.')) {
4680 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4681 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4683 /* Time is in seconds */
4684 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4685 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4690 if (appData.zippyPlay && newGame &&
4691 gameMode != IcsObserving && gameMode != IcsIdle &&
4692 gameMode != IcsExamining)
4693 ZippyFirstBoard(moveNum, basetime, increment);
4696 /* Put the move on the move list, first converting
4697 to canonical algebraic form. */
4699 if (appData.debugMode) {
4700 int f = forwardMostMove;
4701 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4702 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4703 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4704 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4705 fprintf(debugFP, "moveNum = %d\n", moveNum);
4706 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4707 setbuf(debugFP, NULL);
4709 if (moveNum <= backwardMostMove) {
4710 /* We don't know what the board looked like before
4712 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4713 strcat(parseList[moveNum - 1], " ");
4714 strcat(parseList[moveNum - 1], elapsed_time);
4715 moveList[moveNum - 1][0] = NULLCHAR;
4716 } else if (strcmp(move_str, "none") == 0) {
4717 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4718 /* Again, we don't know what the board looked like;
4719 this is really the start of the game. */
4720 parseList[moveNum - 1][0] = NULLCHAR;
4721 moveList[moveNum - 1][0] = NULLCHAR;
4722 backwardMostMove = moveNum;
4723 startedFromSetupPosition = TRUE;
4724 fromX = fromY = toX = toY = -1;
4726 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4727 // So we parse the long-algebraic move string in stead of the SAN move
4728 int valid; char buf[MSG_SIZ], *prom;
4730 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4731 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4732 // str looks something like "Q/a1-a2"; kill the slash
4734 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4735 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4736 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4737 strcat(buf, prom); // long move lacks promo specification!
4738 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4739 if(appData.debugMode)
4740 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4741 safeStrCpy(move_str, buf, MSG_SIZ);
4743 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4744 &fromX, &fromY, &toX, &toY, &promoChar)
4745 || ParseOneMove(buf, moveNum - 1, &moveType,
4746 &fromX, &fromY, &toX, &toY, &promoChar);
4747 // end of long SAN patch
4749 (void) CoordsToAlgebraic(boards[moveNum - 1],
4750 PosFlags(moveNum - 1),
4751 fromY, fromX, toY, toX, promoChar,
4752 parseList[moveNum-1]);
4753 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4759 if(gameInfo.variant != VariantShogi)
4760 strcat(parseList[moveNum - 1], "+");
4763 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4764 strcat(parseList[moveNum - 1], "#");
4767 strcat(parseList[moveNum - 1], " ");
4768 strcat(parseList[moveNum - 1], elapsed_time);
4769 /* currentMoveString is set as a side-effect of ParseOneMove */
4770 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4771 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4772 strcat(moveList[moveNum - 1], "\n");
4774 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4775 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4776 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4777 ChessSquare old, new = boards[moveNum][k][j];
4778 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4779 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4780 if(old == new) continue;
4781 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4782 else if(new == WhiteWazir || new == BlackWazir) {
4783 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4784 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4785 else boards[moveNum][k][j] = old; // preserve type of Gold
4786 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4787 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4790 /* Move from ICS was illegal!? Punt. */
4791 if (appData.debugMode) {
4792 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4793 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4795 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4796 strcat(parseList[moveNum - 1], " ");
4797 strcat(parseList[moveNum - 1], elapsed_time);
4798 moveList[moveNum - 1][0] = NULLCHAR;
4799 fromX = fromY = toX = toY = -1;
4802 if (appData.debugMode) {
4803 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4804 setbuf(debugFP, NULL);
4808 /* Send move to chess program (BEFORE animating it). */
4809 if (appData.zippyPlay && !newGame && newMove &&
4810 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4812 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4813 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4814 if (moveList[moveNum - 1][0] == NULLCHAR) {
4815 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4817 DisplayError(str, 0);
4819 if (first.sendTime) {
4820 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4822 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4823 if (firstMove && !bookHit) {
4825 if (first.useColors) {
4826 SendToProgram(gameMode == IcsPlayingWhite ?
4828 "black\ngo\n", &first);
4830 SendToProgram("go\n", &first);
4832 first.maybeThinking = TRUE;
4835 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4836 if (moveList[moveNum - 1][0] == NULLCHAR) {
4837 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4838 DisplayError(str, 0);
4840 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4841 SendMoveToProgram(moveNum - 1, &first);
4848 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4849 /* If move comes from a remote source, animate it. If it
4850 isn't remote, it will have already been animated. */
4851 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4852 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4854 if (!pausing && appData.highlightLastMove) {
4855 SetHighlights(fromX, fromY, toX, toY);
4859 /* Start the clocks */
4860 whiteFlag = blackFlag = FALSE;
4861 appData.clockMode = !(basetime == 0 && increment == 0);
4863 ics_clock_paused = TRUE;
4865 } else if (ticking == 1) {
4866 ics_clock_paused = FALSE;
4868 if (gameMode == IcsIdle ||
4869 relation == RELATION_OBSERVING_STATIC ||
4870 relation == RELATION_EXAMINING ||
4872 DisplayBothClocks();
4876 /* Display opponents and material strengths */
4877 if (gameInfo.variant != VariantBughouse &&
4878 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4879 if (tinyLayout || smallLayout) {
4880 if(gameInfo.variant == VariantNormal)
4881 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4882 gameInfo.white, white_stren, gameInfo.black, black_stren,
4883 basetime, increment);
4885 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4886 gameInfo.white, white_stren, gameInfo.black, black_stren,
4887 basetime, increment, (int) gameInfo.variant);
4889 if(gameInfo.variant == VariantNormal)
4890 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4891 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4892 basetime, increment);
4894 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4895 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4896 basetime, increment, VariantName(gameInfo.variant));
4899 if (appData.debugMode) {
4900 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4905 /* Display the board */
4906 if (!pausing && !appData.noGUI) {
4908 if (appData.premove)
4910 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4911 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4912 ClearPremoveHighlights();
4914 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4915 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4916 DrawPosition(j, boards[currentMove]);
4918 DisplayMove(moveNum - 1);
4919 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4920 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4921 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4922 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4926 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4928 if(bookHit) { // [HGM] book: simulate book reply
4929 static char bookMove[MSG_SIZ]; // a bit generous?
4931 programStats.nodes = programStats.depth = programStats.time =
4932 programStats.score = programStats.got_only_move = 0;
4933 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4935 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4936 strcat(bookMove, bookHit);
4937 HandleMachineMove(bookMove, &first);
4946 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4947 ics_getting_history = H_REQUESTED;
4948 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4954 SendToBoth (char *msg)
4955 { // to make it easy to keep two engines in step in dual analysis
4956 SendToProgram(msg, &first);
4957 if(second.analyzing) SendToProgram(msg, &second);
4961 AnalysisPeriodicEvent (int force)
4963 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4964 && !force) || !appData.periodicUpdates)
4967 /* Send . command to Crafty to collect stats */
4970 /* Don't send another until we get a response (this makes
4971 us stop sending to old Crafty's which don't understand
4972 the "." command (sending illegal cmds resets node count & time,
4973 which looks bad)) */
4974 programStats.ok_to_send = 0;
4978 ics_update_width (int new_width)
4980 ics_printf("set width %d\n", new_width);
4984 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4988 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4989 // null move in variant where engine does not understand it (for analysis purposes)
4990 SendBoard(cps, moveNum + 1); // send position after move in stead.
4993 if (cps->useUsermove) {
4994 SendToProgram("usermove ", cps);
4998 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4999 int len = space - parseList[moveNum];
5000 memcpy(buf, parseList[moveNum], len);
5002 buf[len] = NULLCHAR;
5004 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5006 SendToProgram(buf, cps);
5008 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5009 AlphaRank(moveList[moveNum], 4);
5010 SendToProgram(moveList[moveNum], cps);
5011 AlphaRank(moveList[moveNum], 4); // and back
5013 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5014 * the engine. It would be nice to have a better way to identify castle
5016 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5017 && cps->useOOCastle) {
5018 int fromX = moveList[moveNum][0] - AAA;
5019 int fromY = moveList[moveNum][1] - ONE;
5020 int toX = moveList[moveNum][2] - AAA;
5021 int toY = moveList[moveNum][3] - ONE;
5022 if((boards[moveNum][fromY][fromX] == WhiteKing
5023 && boards[moveNum][toY][toX] == WhiteRook)
5024 || (boards[moveNum][fromY][fromX] == BlackKing
5025 && boards[moveNum][toY][toX] == BlackRook)) {
5026 if(toX > fromX) SendToProgram("O-O\n", cps);
5027 else SendToProgram("O-O-O\n", cps);
5029 else SendToProgram(moveList[moveNum], cps);
5031 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5032 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5033 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5034 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5035 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5037 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5038 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5039 SendToProgram(buf, cps);
5041 else SendToProgram(moveList[moveNum], cps);
5042 /* End of additions by Tord */
5045 /* [HGM] setting up the opening has brought engine in force mode! */
5046 /* Send 'go' if we are in a mode where machine should play. */
5047 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5048 (gameMode == TwoMachinesPlay ||
5050 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5052 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5053 SendToProgram("go\n", cps);
5054 if (appData.debugMode) {
5055 fprintf(debugFP, "(extra)\n");
5058 setboardSpoiledMachineBlack = 0;
5062 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5064 char user_move[MSG_SIZ];
5067 if(gameInfo.variant == VariantSChess && promoChar) {
5068 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5069 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5070 } else suffix[0] = NULLCHAR;
5074 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5075 (int)moveType, fromX, fromY, toX, toY);
5076 DisplayError(user_move + strlen("say "), 0);
5078 case WhiteKingSideCastle:
5079 case BlackKingSideCastle:
5080 case WhiteQueenSideCastleWild:
5081 case BlackQueenSideCastleWild:
5083 case WhiteHSideCastleFR:
5084 case BlackHSideCastleFR:
5086 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5088 case WhiteQueenSideCastle:
5089 case BlackQueenSideCastle:
5090 case WhiteKingSideCastleWild:
5091 case BlackKingSideCastleWild:
5093 case WhiteASideCastleFR:
5094 case BlackASideCastleFR:
5096 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5098 case WhiteNonPromotion:
5099 case BlackNonPromotion:
5100 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5102 case WhitePromotion:
5103 case BlackPromotion:
5104 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5105 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5106 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5107 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5108 PieceToChar(WhiteFerz));
5109 else if(gameInfo.variant == VariantGreat)
5110 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5111 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5112 PieceToChar(WhiteMan));
5114 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5115 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5121 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5122 ToUpper(PieceToChar((ChessSquare) fromX)),
5123 AAA + toX, ONE + toY);
5125 case IllegalMove: /* could be a variant we don't quite understand */
5126 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5128 case WhiteCapturesEnPassant:
5129 case BlackCapturesEnPassant:
5130 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5131 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5134 SendToICS(user_move);
5135 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5136 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5141 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5142 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5143 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5144 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5145 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5148 if(gameMode != IcsExamining) { // is this ever not the case?
5149 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5151 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5152 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5153 } else { // on FICS we must first go to general examine mode
5154 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5156 if(gameInfo.variant != VariantNormal) {
5157 // try figure out wild number, as xboard names are not always valid on ICS
5158 for(i=1; i<=36; i++) {
5159 snprintf(buf, MSG_SIZ, "wild/%d", i);
5160 if(StringToVariant(buf) == gameInfo.variant) break;
5162 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5163 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5164 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5165 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5166 SendToICS(ics_prefix);
5168 if(startedFromSetupPosition || backwardMostMove != 0) {
5169 fen = PositionToFEN(backwardMostMove, NULL, 1);
5170 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5171 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5173 } else { // FICS: everything has to set by separate bsetup commands
5174 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5175 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5177 if(!WhiteOnMove(backwardMostMove)) {
5178 SendToICS("bsetup tomove black\n");
5180 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5181 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5183 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5184 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5186 i = boards[backwardMostMove][EP_STATUS];
5187 if(i >= 0) { // set e.p.
5188 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5194 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5195 SendToICS("bsetup done\n"); // switch to normal examining.
5197 for(i = backwardMostMove; i<last; i++) {
5199 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5200 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5201 int len = strlen(moveList[i]);
5202 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5203 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5207 SendToICS(ics_prefix);
5208 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5212 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5214 if (rf == DROP_RANK) {
5215 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5216 sprintf(move, "%c@%c%c\n",
5217 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5219 if (promoChar == 'x' || promoChar == NULLCHAR) {
5220 sprintf(move, "%c%c%c%c\n",
5221 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5223 sprintf(move, "%c%c%c%c%c\n",
5224 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5230 ProcessICSInitScript (FILE *f)
5234 while (fgets(buf, MSG_SIZ, f)) {
5235 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5242 static int lastX, lastY, selectFlag, dragging;
5247 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5248 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5249 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5250 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5251 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5252 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5255 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5256 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5257 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5258 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5259 if(!step) step = -1;
5260 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5261 appData.testLegality && (promoSweep == king ||
5262 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5264 int victim = boards[currentMove][toY][toX];
5265 boards[currentMove][toY][toX] = promoSweep;
5266 DrawPosition(FALSE, boards[currentMove]);
5267 boards[currentMove][toY][toX] = victim;
5269 ChangeDragPiece(promoSweep);
5273 PromoScroll (int x, int y)
5277 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5278 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5279 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5280 if(!step) return FALSE;
5281 lastX = x; lastY = y;
5282 if((promoSweep < BlackPawn) == flipView) step = -step;
5283 if(step > 0) selectFlag = 1;
5284 if(!selectFlag) Sweep(step);
5289 NextPiece (int step)
5291 ChessSquare piece = boards[currentMove][toY][toX];
5294 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5295 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5296 if(!step) step = -1;
5297 } while(PieceToChar(pieceSweep) == '.');
5298 boards[currentMove][toY][toX] = pieceSweep;
5299 DrawPosition(FALSE, boards[currentMove]);
5300 boards[currentMove][toY][toX] = piece;
5302 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5304 AlphaRank (char *move, int n)
5306 // char *p = move, c; int x, y;
5308 if (appData.debugMode) {
5309 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5313 move[2]>='0' && move[2]<='9' &&
5314 move[3]>='a' && move[3]<='x' ) {
5316 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5317 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5319 if(move[0]>='0' && move[0]<='9' &&
5320 move[1]>='a' && move[1]<='x' &&
5321 move[2]>='0' && move[2]<='9' &&
5322 move[3]>='a' && move[3]<='x' ) {
5323 /* input move, Shogi -> normal */
5324 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5325 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5326 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5327 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5330 move[3]>='0' && move[3]<='9' &&
5331 move[2]>='a' && move[2]<='x' ) {
5333 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5334 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5337 move[0]>='a' && move[0]<='x' &&
5338 move[3]>='0' && move[3]<='9' &&
5339 move[2]>='a' && move[2]<='x' ) {
5340 /* output move, normal -> Shogi */
5341 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5342 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5343 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5344 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5345 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5347 if (appData.debugMode) {
5348 fprintf(debugFP, " out = '%s'\n", move);
5352 char yy_textstr[8000];
5354 /* Parser for moves from gnuchess, ICS, or user typein box */
5356 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5358 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5360 switch (*moveType) {
5361 case WhitePromotion:
5362 case BlackPromotion:
5363 case WhiteNonPromotion:
5364 case BlackNonPromotion:
5366 case WhiteCapturesEnPassant:
5367 case BlackCapturesEnPassant:
5368 case WhiteKingSideCastle:
5369 case WhiteQueenSideCastle:
5370 case BlackKingSideCastle:
5371 case BlackQueenSideCastle:
5372 case WhiteKingSideCastleWild:
5373 case WhiteQueenSideCastleWild:
5374 case BlackKingSideCastleWild:
5375 case BlackQueenSideCastleWild:
5376 /* Code added by Tord: */
5377 case WhiteHSideCastleFR:
5378 case WhiteASideCastleFR:
5379 case BlackHSideCastleFR:
5380 case BlackASideCastleFR:
5381 /* End of code added by Tord */
5382 case IllegalMove: /* bug or odd chess variant */
5383 *fromX = currentMoveString[0] - AAA;
5384 *fromY = currentMoveString[1] - ONE;
5385 *toX = currentMoveString[2] - AAA;
5386 *toY = currentMoveString[3] - ONE;
5387 *promoChar = currentMoveString[4];
5388 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5389 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5390 if (appData.debugMode) {
5391 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5393 *fromX = *fromY = *toX = *toY = 0;
5396 if (appData.testLegality) {
5397 return (*moveType != IllegalMove);
5399 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5400 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5405 *fromX = *moveType == WhiteDrop ?
5406 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5407 (int) CharToPiece(ToLower(currentMoveString[0]));
5409 *toX = currentMoveString[2] - AAA;
5410 *toY = currentMoveString[3] - ONE;
5411 *promoChar = NULLCHAR;
5415 case ImpossibleMove:
5425 if (appData.debugMode) {
5426 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5429 *fromX = *fromY = *toX = *toY = 0;
5430 *promoChar = NULLCHAR;
5435 Boolean pushed = FALSE;
5436 char *lastParseAttempt;
5439 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5440 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5441 int fromX, fromY, toX, toY; char promoChar;
5446 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5447 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5448 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5451 endPV = forwardMostMove;
5453 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5454 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5455 lastParseAttempt = pv;
5456 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5457 if(!valid && nr == 0 &&
5458 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5459 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5460 // Hande case where played move is different from leading PV move
5461 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5462 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5463 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5464 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5465 endPV += 2; // if position different, keep this
5466 moveList[endPV-1][0] = fromX + AAA;
5467 moveList[endPV-1][1] = fromY + ONE;
5468 moveList[endPV-1][2] = toX + AAA;
5469 moveList[endPV-1][3] = toY + ONE;
5470 parseList[endPV-1][0] = NULLCHAR;
5471 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5474 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5475 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5476 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5477 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5478 valid++; // allow comments in PV
5482 if(endPV+1 > framePtr) break; // no space, truncate
5485 CopyBoard(boards[endPV], boards[endPV-1]);
5486 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5487 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5488 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5489 CoordsToAlgebraic(boards[endPV - 1],
5490 PosFlags(endPV - 1),
5491 fromY, fromX, toY, toX, promoChar,
5492 parseList[endPV - 1]);
5494 if(atEnd == 2) return; // used hidden, for PV conversion
5495 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5496 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5497 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5498 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5499 DrawPosition(TRUE, boards[currentMove]);
5503 MultiPV (ChessProgramState *cps)
5504 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5506 for(i=0; i<cps->nrOptions; i++)
5507 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5512 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5515 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5517 int startPV, multi, lineStart, origIndex = index;
5518 char *p, buf2[MSG_SIZ];
5519 ChessProgramState *cps = (pane ? &second : &first);
5521 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5522 lastX = x; lastY = y;
5523 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5524 lineStart = startPV = index;
5525 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5526 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5528 do{ while(buf[index] && buf[index] != '\n') index++;
5529 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5531 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5532 int n = cps->option[multi].value;
5533 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5534 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5535 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5536 cps->option[multi].value = n;
5539 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5540 ExcludeClick(origIndex - lineStart);
5543 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5544 *start = startPV; *end = index-1;
5545 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5552 static char buf[10*MSG_SIZ];
5553 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5555 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5556 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5557 for(i = forwardMostMove; i<endPV; i++){
5558 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5559 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5562 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5563 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5564 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5570 LoadPV (int x, int y)
5571 { // called on right mouse click to load PV
5572 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5573 lastX = x; lastY = y;
5574 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5582 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5583 if(endPV < 0) return;
5584 if(appData.autoCopyPV) CopyFENToClipboard();
5586 if(extendGame && currentMove > forwardMostMove) {
5587 Boolean saveAnimate = appData.animate;
5589 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5590 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5591 } else storedGames--; // abandon shelved tail of original game
5594 forwardMostMove = currentMove;
5595 currentMove = oldFMM;
5596 appData.animate = FALSE;
5597 ToNrEvent(forwardMostMove);
5598 appData.animate = saveAnimate;
5600 currentMove = forwardMostMove;
5601 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5602 ClearPremoveHighlights();
5603 DrawPosition(TRUE, boards[currentMove]);
5607 MovePV (int x, int y, int h)
5608 { // step through PV based on mouse coordinates (called on mouse move)
5609 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5611 // we must somehow check if right button is still down (might be released off board!)
5612 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5613 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5614 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5616 lastX = x; lastY = y;
5618 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5619 if(endPV < 0) return;
5620 if(y < margin) step = 1; else
5621 if(y > h - margin) step = -1;
5622 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5623 currentMove += step;
5624 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5625 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5626 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5627 DrawPosition(FALSE, boards[currentMove]);
5631 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5632 // All positions will have equal probability, but the current method will not provide a unique
5633 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5639 int piecesLeft[(int)BlackPawn];
5640 int seed, nrOfShuffles;
5643 GetPositionNumber ()
5644 { // sets global variable seed
5647 seed = appData.defaultFrcPosition;
5648 if(seed < 0) { // randomize based on time for negative FRC position numbers
5649 for(i=0; i<50; i++) seed += random();
5650 seed = random() ^ random() >> 8 ^ random() << 8;
5651 if(seed<0) seed = -seed;
5656 put (Board board, int pieceType, int rank, int n, int shade)
5657 // put the piece on the (n-1)-th empty squares of the given shade
5661 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5662 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5663 board[rank][i] = (ChessSquare) pieceType;
5664 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5666 piecesLeft[pieceType]--;
5675 AddOnePiece (Board board, int pieceType, int rank, int shade)
5676 // calculate where the next piece goes, (any empty square), and put it there
5680 i = seed % squaresLeft[shade];
5681 nrOfShuffles *= squaresLeft[shade];
5682 seed /= squaresLeft[shade];
5683 put(board, pieceType, rank, i, shade);
5687 AddTwoPieces (Board board, int pieceType, int rank)
5688 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5690 int i, n=squaresLeft[ANY], j=n-1, k;
5692 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5693 i = seed % k; // pick one
5696 while(i >= j) i -= j--;
5697 j = n - 1 - j; i += j;
5698 put(board, pieceType, rank, j, ANY);
5699 put(board, pieceType, rank, i, ANY);
5703 SetUpShuffle (Board board, int number)
5707 GetPositionNumber(); nrOfShuffles = 1;
5709 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5710 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5711 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5713 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5715 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5716 p = (int) board[0][i];
5717 if(p < (int) BlackPawn) piecesLeft[p] ++;
5718 board[0][i] = EmptySquare;
5721 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5722 // shuffles restricted to allow normal castling put KRR first
5723 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5724 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5725 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5726 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5727 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5728 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5729 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5730 put(board, WhiteRook, 0, 0, ANY);
5731 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5734 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5735 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5736 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5737 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5738 while(piecesLeft[p] >= 2) {
5739 AddOnePiece(board, p, 0, LITE);
5740 AddOnePiece(board, p, 0, DARK);
5742 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5745 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5746 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5747 // but we leave King and Rooks for last, to possibly obey FRC restriction
5748 if(p == (int)WhiteRook) continue;
5749 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5750 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5753 // now everything is placed, except perhaps King (Unicorn) and Rooks
5755 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5756 // Last King gets castling rights
5757 while(piecesLeft[(int)WhiteUnicorn]) {
5758 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5759 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5762 while(piecesLeft[(int)WhiteKing]) {
5763 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5764 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5769 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5770 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5773 // Only Rooks can be left; simply place them all
5774 while(piecesLeft[(int)WhiteRook]) {
5775 i = put(board, WhiteRook, 0, 0, ANY);
5776 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5779 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5781 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5784 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5785 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5788 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5792 SetCharTable (char *table, const char * map)
5793 /* [HGM] moved here from winboard.c because of its general usefulness */
5794 /* Basically a safe strcpy that uses the last character as King */
5796 int result = FALSE; int NrPieces;
5798 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5799 && NrPieces >= 12 && !(NrPieces&1)) {
5800 int i; /* [HGM] Accept even length from 12 to 34 */
5802 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5803 for( i=0; i<NrPieces/2-1; i++ ) {
5805 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5807 table[(int) WhiteKing] = map[NrPieces/2-1];
5808 table[(int) BlackKing] = map[NrPieces-1];
5817 Prelude (Board board)
5818 { // [HGM] superchess: random selection of exo-pieces
5819 int i, j, k; ChessSquare p;
5820 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5822 GetPositionNumber(); // use FRC position number
5824 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5825 SetCharTable(pieceToChar, appData.pieceToCharTable);
5826 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5827 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5830 j = seed%4; seed /= 4;
5831 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5832 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5833 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5834 j = seed%3 + (seed%3 >= j); seed /= 3;
5835 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5836 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5837 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5838 j = seed%3; seed /= 3;
5839 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5840 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5841 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5842 j = seed%2 + (seed%2 >= j); seed /= 2;
5843 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5844 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5845 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5846 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5847 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5848 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5849 put(board, exoPieces[0], 0, 0, ANY);
5850 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5854 InitPosition (int redraw)
5856 ChessSquare (* pieces)[BOARD_FILES];
5857 int i, j, pawnRow, overrule,
5858 oldx = gameInfo.boardWidth,
5859 oldy = gameInfo.boardHeight,
5860 oldh = gameInfo.holdingsWidth;
5863 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5865 /* [AS] Initialize pv info list [HGM] and game status */
5867 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5868 pvInfoList[i].depth = 0;
5869 boards[i][EP_STATUS] = EP_NONE;
5870 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5873 initialRulePlies = 0; /* 50-move counter start */
5875 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5876 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5880 /* [HGM] logic here is completely changed. In stead of full positions */
5881 /* the initialized data only consist of the two backranks. The switch */
5882 /* selects which one we will use, which is than copied to the Board */
5883 /* initialPosition, which for the rest is initialized by Pawns and */
5884 /* empty squares. This initial position is then copied to boards[0], */
5885 /* possibly after shuffling, so that it remains available. */
5887 gameInfo.holdingsWidth = 0; /* default board sizes */
5888 gameInfo.boardWidth = 8;
5889 gameInfo.boardHeight = 8;
5890 gameInfo.holdingsSize = 0;
5891 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5892 for(i=0; i<BOARD_FILES-2; i++)
5893 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5894 initialPosition[EP_STATUS] = EP_NONE;
5895 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5896 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5897 SetCharTable(pieceNickName, appData.pieceNickNames);
5898 else SetCharTable(pieceNickName, "............");
5901 switch (gameInfo.variant) {
5902 case VariantFischeRandom:
5903 shuffleOpenings = TRUE;
5906 case VariantShatranj:
5907 pieces = ShatranjArray;
5908 nrCastlingRights = 0;
5909 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5912 pieces = makrukArray;
5913 nrCastlingRights = 0;
5914 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5917 pieces = aseanArray;
5918 nrCastlingRights = 0;
5919 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5921 case VariantTwoKings:
5922 pieces = twoKingsArray;
5925 pieces = GrandArray;
5926 nrCastlingRights = 0;
5927 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5928 gameInfo.boardWidth = 10;
5929 gameInfo.boardHeight = 10;
5930 gameInfo.holdingsSize = 7;
5932 case VariantCapaRandom:
5933 shuffleOpenings = TRUE;
5934 case VariantCapablanca:
5935 pieces = CapablancaArray;
5936 gameInfo.boardWidth = 10;
5937 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5940 pieces = GothicArray;
5941 gameInfo.boardWidth = 10;
5942 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5945 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5946 gameInfo.holdingsSize = 7;
5947 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5950 pieces = JanusArray;
5951 gameInfo.boardWidth = 10;
5952 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5953 nrCastlingRights = 6;
5954 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5955 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5956 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5957 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5958 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5959 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5962 pieces = FalconArray;
5963 gameInfo.boardWidth = 10;
5964 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5966 case VariantXiangqi:
5967 pieces = XiangqiArray;
5968 gameInfo.boardWidth = 9;
5969 gameInfo.boardHeight = 10;
5970 nrCastlingRights = 0;
5971 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5974 pieces = ShogiArray;
5975 gameInfo.boardWidth = 9;
5976 gameInfo.boardHeight = 9;
5977 gameInfo.holdingsSize = 7;
5978 nrCastlingRights = 0;
5979 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5981 case VariantCourier:
5982 pieces = CourierArray;
5983 gameInfo.boardWidth = 12;
5984 nrCastlingRights = 0;
5985 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5987 case VariantKnightmate:
5988 pieces = KnightmateArray;
5989 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5991 case VariantSpartan:
5992 pieces = SpartanArray;
5993 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5996 pieces = fairyArray;
5997 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6000 pieces = GreatArray;
6001 gameInfo.boardWidth = 10;
6002 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6003 gameInfo.holdingsSize = 8;
6007 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6008 gameInfo.holdingsSize = 8;
6009 startedFromSetupPosition = TRUE;
6011 case VariantCrazyhouse:
6012 case VariantBughouse:
6014 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6015 gameInfo.holdingsSize = 5;
6017 case VariantWildCastle:
6019 /* !!?shuffle with kings guaranteed to be on d or e file */
6020 shuffleOpenings = 1;
6022 case VariantNoCastle:
6024 nrCastlingRights = 0;
6025 /* !!?unconstrained back-rank shuffle */
6026 shuffleOpenings = 1;
6031 if(appData.NrFiles >= 0) {
6032 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6033 gameInfo.boardWidth = appData.NrFiles;
6035 if(appData.NrRanks >= 0) {
6036 gameInfo.boardHeight = appData.NrRanks;
6038 if(appData.holdingsSize >= 0) {
6039 i = appData.holdingsSize;
6040 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6041 gameInfo.holdingsSize = i;
6043 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6044 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6045 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6047 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6048 if(pawnRow < 1) pawnRow = 1;
6049 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
6051 /* User pieceToChar list overrules defaults */
6052 if(appData.pieceToCharTable != NULL)
6053 SetCharTable(pieceToChar, appData.pieceToCharTable);
6055 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6057 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6058 s = (ChessSquare) 0; /* account holding counts in guard band */
6059 for( i=0; i<BOARD_HEIGHT; i++ )
6060 initialPosition[i][j] = s;
6062 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6063 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6064 initialPosition[pawnRow][j] = WhitePawn;
6065 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6066 if(gameInfo.variant == VariantXiangqi) {
6068 initialPosition[pawnRow][j] =
6069 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6070 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6071 initialPosition[2][j] = WhiteCannon;
6072 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6076 if(gameInfo.variant == VariantGrand) {
6077 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6078 initialPosition[0][j] = WhiteRook;
6079 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6082 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6084 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6087 initialPosition[1][j] = WhiteBishop;
6088 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6090 initialPosition[1][j] = WhiteRook;
6091 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6094 if( nrCastlingRights == -1) {
6095 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6096 /* This sets default castling rights from none to normal corners */
6097 /* Variants with other castling rights must set them themselves above */
6098 nrCastlingRights = 6;
6100 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6101 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6102 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6103 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6104 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6105 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6108 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6109 if(gameInfo.variant == VariantGreat) { // promotion commoners
6110 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6111 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6112 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6113 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6115 if( gameInfo.variant == VariantSChess ) {
6116 initialPosition[1][0] = BlackMarshall;
6117 initialPosition[2][0] = BlackAngel;
6118 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6119 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6120 initialPosition[1][1] = initialPosition[2][1] =
6121 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6123 if (appData.debugMode) {
6124 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6126 if(shuffleOpenings) {
6127 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6128 startedFromSetupPosition = TRUE;
6130 if(startedFromPositionFile) {
6131 /* [HGM] loadPos: use PositionFile for every new game */
6132 CopyBoard(initialPosition, filePosition);
6133 for(i=0; i<nrCastlingRights; i++)
6134 initialRights[i] = filePosition[CASTLING][i];
6135 startedFromSetupPosition = TRUE;
6138 CopyBoard(boards[0], initialPosition);
6140 if(oldx != gameInfo.boardWidth ||
6141 oldy != gameInfo.boardHeight ||
6142 oldv != gameInfo.variant ||
6143 oldh != gameInfo.holdingsWidth
6145 InitDrawingSizes(-2 ,0);
6147 oldv = gameInfo.variant;
6149 DrawPosition(TRUE, boards[currentMove]);
6153 SendBoard (ChessProgramState *cps, int moveNum)
6155 char message[MSG_SIZ];
6157 if (cps->useSetboard) {
6158 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6159 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6160 SendToProgram(message, cps);
6165 int i, j, left=0, right=BOARD_WIDTH;
6166 /* Kludge to set black to move, avoiding the troublesome and now
6167 * deprecated "black" command.
6169 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6170 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6172 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6174 SendToProgram("edit\n", cps);
6175 SendToProgram("#\n", cps);
6176 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6177 bp = &boards[moveNum][i][left];
6178 for (j = left; j < right; j++, bp++) {
6179 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6180 if ((int) *bp < (int) BlackPawn) {
6181 if(j == BOARD_RGHT+1)
6182 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6183 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6184 if(message[0] == '+' || message[0] == '~') {
6185 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6186 PieceToChar((ChessSquare)(DEMOTED *bp)),
6189 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6190 message[1] = BOARD_RGHT - 1 - j + '1';
6191 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6193 SendToProgram(message, cps);
6198 SendToProgram("c\n", cps);
6199 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6200 bp = &boards[moveNum][i][left];
6201 for (j = left; j < right; j++, bp++) {
6202 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6203 if (((int) *bp != (int) EmptySquare)
6204 && ((int) *bp >= (int) BlackPawn)) {
6205 if(j == BOARD_LEFT-2)
6206 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6207 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6209 if(message[0] == '+' || message[0] == '~') {
6210 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6211 PieceToChar((ChessSquare)(DEMOTED *bp)),
6214 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6215 message[1] = BOARD_RGHT - 1 - j + '1';
6216 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6218 SendToProgram(message, cps);
6223 SendToProgram(".\n", cps);
6225 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6228 char exclusionHeader[MSG_SIZ];
6229 int exCnt, excludePtr;
6230 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6231 static Exclusion excluTab[200];
6232 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6238 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6239 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6245 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6246 excludePtr = 24; exCnt = 0;
6251 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6252 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6253 char buf[2*MOVE_LEN], *p;
6254 Exclusion *e = excluTab;
6256 for(i=0; i<exCnt; i++)
6257 if(e[i].ff == fromX && e[i].fr == fromY &&
6258 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6259 if(i == exCnt) { // was not in exclude list; add it
6260 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6261 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6262 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6265 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6266 excludePtr++; e[i].mark = excludePtr++;
6267 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6270 exclusionHeader[e[i].mark] = state;
6274 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6275 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6279 if((signed char)promoChar == -1) { // kludge to indicate best move
6280 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6281 return 1; // if unparsable, abort
6283 // update exclusion map (resolving toggle by consulting existing state)
6284 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6286 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6287 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6288 excludeMap[k] |= 1<<j;
6289 else excludeMap[k] &= ~(1<<j);
6291 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6293 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6294 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6296 return (state == '+');
6300 ExcludeClick (int index)
6303 Exclusion *e = excluTab;
6304 if(index < 25) { // none, best or tail clicked
6305 if(index < 13) { // none: include all
6306 WriteMap(0); // clear map
6307 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6308 SendToBoth("include all\n"); // and inform engine
6309 } else if(index > 18) { // tail
6310 if(exclusionHeader[19] == '-') { // tail was excluded
6311 SendToBoth("include all\n");
6312 WriteMap(0); // clear map completely
6313 // now re-exclude selected moves
6314 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6315 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6316 } else { // tail was included or in mixed state
6317 SendToBoth("exclude all\n");
6318 WriteMap(0xFF); // fill map completely
6319 // now re-include selected moves
6320 j = 0; // count them
6321 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6322 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6323 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6326 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6329 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6330 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6331 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6338 DefaultPromoChoice (int white)
6341 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6342 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6343 result = WhiteFerz; // no choice
6344 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6345 result= WhiteKing; // in Suicide Q is the last thing we want
6346 else if(gameInfo.variant == VariantSpartan)
6347 result = white ? WhiteQueen : WhiteAngel;
6348 else result = WhiteQueen;
6349 if(!white) result = WHITE_TO_BLACK result;
6353 static int autoQueen; // [HGM] oneclick
6356 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6358 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6359 /* [HGM] add Shogi promotions */
6360 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6365 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6366 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6368 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6369 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6372 piece = boards[currentMove][fromY][fromX];
6373 if(gameInfo.variant == VariantShogi) {
6374 promotionZoneSize = BOARD_HEIGHT/3;
6375 highestPromotingPiece = (int)WhiteFerz;
6376 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6377 promotionZoneSize = 3;
6380 // Treat Lance as Pawn when it is not representing Amazon
6381 if(gameInfo.variant != VariantSuper) {
6382 if(piece == WhiteLance) piece = WhitePawn; else
6383 if(piece == BlackLance) piece = BlackPawn;
6386 // next weed out all moves that do not touch the promotion zone at all
6387 if((int)piece >= BlackPawn) {
6388 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6390 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6392 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6393 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6396 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6398 // weed out mandatory Shogi promotions
6399 if(gameInfo.variant == VariantShogi) {
6400 if(piece >= BlackPawn) {
6401 if(toY == 0 && piece == BlackPawn ||
6402 toY == 0 && piece == BlackQueen ||
6403 toY <= 1 && piece == BlackKnight) {
6408 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6409 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6410 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6417 // weed out obviously illegal Pawn moves
6418 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6419 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6420 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6421 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6422 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6423 // note we are not allowed to test for valid (non-)capture, due to premove
6426 // we either have a choice what to promote to, or (in Shogi) whether to promote
6427 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6428 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6429 *promoChoice = PieceToChar(BlackFerz); // no choice
6432 // no sense asking what we must promote to if it is going to explode...
6433 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6434 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6437 // give caller the default choice even if we will not make it
6438 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6439 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6440 if( sweepSelect && gameInfo.variant != VariantGreat
6441 && gameInfo.variant != VariantGrand
6442 && gameInfo.variant != VariantSuper) return FALSE;
6443 if(autoQueen) return FALSE; // predetermined
6445 // suppress promotion popup on illegal moves that are not premoves
6446 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6447 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6448 if(appData.testLegality && !premove) {
6449 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6450 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6451 if(moveType != WhitePromotion && moveType != BlackPromotion)
6459 InPalace (int row, int column)
6460 { /* [HGM] for Xiangqi */
6461 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6462 column < (BOARD_WIDTH + 4)/2 &&
6463 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6468 PieceForSquare (int x, int y)
6470 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6473 return boards[currentMove][y][x];
6477 OKToStartUserMove (int x, int y)
6479 ChessSquare from_piece;
6482 if (matchMode) return FALSE;
6483 if (gameMode == EditPosition) return TRUE;
6485 if (x >= 0 && y >= 0)
6486 from_piece = boards[currentMove][y][x];
6488 from_piece = EmptySquare;
6490 if (from_piece == EmptySquare) return FALSE;
6492 white_piece = (int)from_piece >= (int)WhitePawn &&
6493 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6497 case TwoMachinesPlay:
6505 case MachinePlaysWhite:
6506 case IcsPlayingBlack:
6507 if (appData.zippyPlay) return FALSE;
6509 DisplayMoveError(_("You are playing Black"));
6514 case MachinePlaysBlack:
6515 case IcsPlayingWhite:
6516 if (appData.zippyPlay) return FALSE;
6518 DisplayMoveError(_("You are playing White"));
6523 case PlayFromGameFile:
6524 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6526 if (!white_piece && WhiteOnMove(currentMove)) {
6527 DisplayMoveError(_("It is White's turn"));
6530 if (white_piece && !WhiteOnMove(currentMove)) {
6531 DisplayMoveError(_("It is Black's turn"));
6534 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6535 /* Editing correspondence game history */
6536 /* Could disallow this or prompt for confirmation */
6541 case BeginningOfGame:
6542 if (appData.icsActive) return FALSE;
6543 if (!appData.noChessProgram) {
6545 DisplayMoveError(_("You are playing White"));
6552 if (!white_piece && WhiteOnMove(currentMove)) {
6553 DisplayMoveError(_("It is White's turn"));
6556 if (white_piece && !WhiteOnMove(currentMove)) {
6557 DisplayMoveError(_("It is Black's turn"));
6566 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6567 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6568 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6569 && gameMode != AnalyzeFile && gameMode != Training) {
6570 DisplayMoveError(_("Displayed position is not current"));
6577 OnlyMove (int *x, int *y, Boolean captures)
6579 DisambiguateClosure cl;
6580 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6582 case MachinePlaysBlack:
6583 case IcsPlayingWhite:
6584 case BeginningOfGame:
6585 if(!WhiteOnMove(currentMove)) return FALSE;
6587 case MachinePlaysWhite:
6588 case IcsPlayingBlack:
6589 if(WhiteOnMove(currentMove)) return FALSE;
6596 cl.pieceIn = EmptySquare;
6601 cl.promoCharIn = NULLCHAR;
6602 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6603 if( cl.kind == NormalMove ||
6604 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6605 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6606 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6613 if(cl.kind != ImpossibleMove) return FALSE;
6614 cl.pieceIn = EmptySquare;
6619 cl.promoCharIn = NULLCHAR;
6620 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6621 if( cl.kind == NormalMove ||
6622 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6623 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6624 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6629 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6635 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6636 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6637 int lastLoadGameUseList = FALSE;
6638 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6639 ChessMove lastLoadGameStart = EndOfFile;
6643 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6647 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6649 /* Check if the user is playing in turn. This is complicated because we
6650 let the user "pick up" a piece before it is his turn. So the piece he
6651 tried to pick up may have been captured by the time he puts it down!
6652 Therefore we use the color the user is supposed to be playing in this
6653 test, not the color of the piece that is currently on the starting
6654 square---except in EditGame mode, where the user is playing both
6655 sides; fortunately there the capture race can't happen. (It can
6656 now happen in IcsExamining mode, but that's just too bad. The user
6657 will get a somewhat confusing message in that case.)
6662 case TwoMachinesPlay:
6666 /* We switched into a game mode where moves are not accepted,
6667 perhaps while the mouse button was down. */
6670 case MachinePlaysWhite:
6671 /* User is moving for Black */
6672 if (WhiteOnMove(currentMove)) {
6673 DisplayMoveError(_("It is White's turn"));
6678 case MachinePlaysBlack:
6679 /* User is moving for White */
6680 if (!WhiteOnMove(currentMove)) {
6681 DisplayMoveError(_("It is Black's turn"));
6686 case PlayFromGameFile:
6687 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6690 case BeginningOfGame:
6693 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6694 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6695 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6696 /* User is moving for Black */
6697 if (WhiteOnMove(currentMove)) {
6698 DisplayMoveError(_("It is White's turn"));
6702 /* User is moving for White */
6703 if (!WhiteOnMove(currentMove)) {
6704 DisplayMoveError(_("It is Black's turn"));
6710 case IcsPlayingBlack:
6711 /* User is moving for Black */
6712 if (WhiteOnMove(currentMove)) {
6713 if (!appData.premove) {
6714 DisplayMoveError(_("It is White's turn"));
6715 } else if (toX >= 0 && toY >= 0) {
6718 premoveFromX = fromX;
6719 premoveFromY = fromY;
6720 premovePromoChar = promoChar;
6722 if (appData.debugMode)
6723 fprintf(debugFP, "Got premove: fromX %d,"
6724 "fromY %d, toX %d, toY %d\n",
6725 fromX, fromY, toX, toY);
6731 case IcsPlayingWhite:
6732 /* User is moving for White */
6733 if (!WhiteOnMove(currentMove)) {
6734 if (!appData.premove) {
6735 DisplayMoveError(_("It is Black's turn"));
6736 } else if (toX >= 0 && toY >= 0) {
6739 premoveFromX = fromX;
6740 premoveFromY = fromY;
6741 premovePromoChar = promoChar;
6743 if (appData.debugMode)
6744 fprintf(debugFP, "Got premove: fromX %d,"
6745 "fromY %d, toX %d, toY %d\n",
6746 fromX, fromY, toX, toY);
6756 /* EditPosition, empty square, or different color piece;
6757 click-click move is possible */
6758 if (toX == -2 || toY == -2) {
6759 boards[0][fromY][fromX] = EmptySquare;
6760 DrawPosition(FALSE, boards[currentMove]);
6762 } else if (toX >= 0 && toY >= 0) {
6763 boards[0][toY][toX] = boards[0][fromY][fromX];
6764 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6765 if(boards[0][fromY][0] != EmptySquare) {
6766 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6767 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6770 if(fromX == BOARD_RGHT+1) {
6771 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6772 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6773 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6776 boards[0][fromY][fromX] = gatingPiece;
6777 DrawPosition(FALSE, boards[currentMove]);
6783 if(toX < 0 || toY < 0) return;
6784 pup = boards[currentMove][toY][toX];
6786 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6787 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6788 if( pup != EmptySquare ) return;
6789 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6790 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6791 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6792 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6793 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6794 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6795 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6799 /* [HGM] always test for legality, to get promotion info */
6800 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6801 fromY, fromX, toY, toX, promoChar);
6803 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6805 /* [HGM] but possibly ignore an IllegalMove result */
6806 if (appData.testLegality) {
6807 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6808 DisplayMoveError(_("Illegal move"));
6813 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6814 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6815 ClearPremoveHighlights(); // was included
6816 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6820 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6823 /* Common tail of UserMoveEvent and DropMenuEvent */
6825 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6829 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6830 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6831 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6832 if(WhiteOnMove(currentMove)) {
6833 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6835 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6839 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6840 move type in caller when we know the move is a legal promotion */
6841 if(moveType == NormalMove && promoChar)
6842 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6844 /* [HGM] <popupFix> The following if has been moved here from
6845 UserMoveEvent(). Because it seemed to belong here (why not allow
6846 piece drops in training games?), and because it can only be
6847 performed after it is known to what we promote. */
6848 if (gameMode == Training) {
6849 /* compare the move played on the board to the next move in the
6850 * game. If they match, display the move and the opponent's response.
6851 * If they don't match, display an error message.
6855 CopyBoard(testBoard, boards[currentMove]);
6856 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6858 if (CompareBoards(testBoard, boards[currentMove+1])) {
6859 ForwardInner(currentMove+1);
6861 /* Autoplay the opponent's response.
6862 * if appData.animate was TRUE when Training mode was entered,
6863 * the response will be animated.
6865 saveAnimate = appData.animate;
6866 appData.animate = animateTraining;
6867 ForwardInner(currentMove+1);
6868 appData.animate = saveAnimate;
6870 /* check for the end of the game */
6871 if (currentMove >= forwardMostMove) {
6872 gameMode = PlayFromGameFile;
6874 SetTrainingModeOff();
6875 DisplayInformation(_("End of game"));
6878 DisplayError(_("Incorrect move"), 0);
6883 /* Ok, now we know that the move is good, so we can kill
6884 the previous line in Analysis Mode */
6885 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6886 && currentMove < forwardMostMove) {
6887 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6888 else forwardMostMove = currentMove;
6893 /* If we need the chess program but it's dead, restart it */
6894 ResurrectChessProgram();
6896 /* A user move restarts a paused game*/
6900 thinkOutput[0] = NULLCHAR;
6902 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6904 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6905 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6909 if (gameMode == BeginningOfGame) {
6910 if (appData.noChessProgram) {
6911 gameMode = EditGame;
6915 gameMode = MachinePlaysBlack;
6918 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6920 if (first.sendName) {
6921 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6922 SendToProgram(buf, &first);
6929 /* Relay move to ICS or chess engine */
6930 if (appData.icsActive) {
6931 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6932 gameMode == IcsExamining) {
6933 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6934 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6936 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6938 // also send plain move, in case ICS does not understand atomic claims
6939 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6943 if (first.sendTime && (gameMode == BeginningOfGame ||
6944 gameMode == MachinePlaysWhite ||
6945 gameMode == MachinePlaysBlack)) {
6946 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6948 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6949 // [HGM] book: if program might be playing, let it use book
6950 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6951 first.maybeThinking = TRUE;
6952 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6953 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6954 SendBoard(&first, currentMove+1);
6955 if(second.analyzing) {
6956 if(!second.useSetboard) SendToProgram("undo\n", &second);
6957 SendBoard(&second, currentMove+1);
6960 SendMoveToProgram(forwardMostMove-1, &first);
6961 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6963 if (currentMove == cmailOldMove + 1) {
6964 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6968 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6972 if(appData.testLegality)
6973 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6979 if (WhiteOnMove(currentMove)) {
6980 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6982 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6986 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6991 case MachinePlaysBlack:
6992 case MachinePlaysWhite:
6993 /* disable certain menu options while machine is thinking */
6994 SetMachineThinkingEnables();
7001 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7002 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7004 if(bookHit) { // [HGM] book: simulate book reply
7005 static char bookMove[MSG_SIZ]; // a bit generous?
7007 programStats.nodes = programStats.depth = programStats.time =
7008 programStats.score = programStats.got_only_move = 0;
7009 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7011 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7012 strcat(bookMove, bookHit);
7013 HandleMachineMove(bookMove, &first);
7019 MarkByFEN(char *fen)
7022 if(!appData.markers || !appData.highlightDragging) return;
7023 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7024 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7028 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7029 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7030 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7031 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7032 if(*fen == 'T') marker[r][f++] = 0; else
7033 if(*fen == 'Y') marker[r][f++] = 1; else
7034 if(*fen == 'G') marker[r][f++] = 3; else
7035 if(*fen == 'B') marker[r][f++] = 4; else
7036 if(*fen == 'C') marker[r][f++] = 5; else
7037 if(*fen == 'M') marker[r][f++] = 6; else
7038 if(*fen == 'W') marker[r][f++] = 7; else
7039 if(*fen == 'D') marker[r][f++] = 8; else
7040 if(*fen == 'R') marker[r][f++] = 2; else {
7041 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7044 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7048 DrawPosition(TRUE, NULL);
7052 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7054 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7055 Markers *m = (Markers *) closure;
7056 if(rf == fromY && ff == fromX)
7057 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7058 || kind == WhiteCapturesEnPassant
7059 || kind == BlackCapturesEnPassant);
7060 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7064 MarkTargetSquares (int clear)
7067 if(clear) { // no reason to ever suppress clearing
7068 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7069 if(!sum) return; // nothing was cleared,no redraw needed
7072 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7073 !appData.testLegality || gameMode == EditPosition) return;
7074 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7075 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7076 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7078 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7081 DrawPosition(FALSE, NULL);
7085 Explode (Board board, int fromX, int fromY, int toX, int toY)
7087 if(gameInfo.variant == VariantAtomic &&
7088 (board[toY][toX] != EmptySquare || // capture?
7089 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7090 board[fromY][fromX] == BlackPawn )
7092 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7098 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7101 CanPromote (ChessSquare piece, int y)
7103 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7104 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7105 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7106 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7107 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7108 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7109 return (piece == BlackPawn && y == 1 ||
7110 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7111 piece == BlackLance && y == 1 ||
7112 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7116 HoverEvent (int hiX, int hiY, int x, int y)
7118 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7120 if(!first.highlight) return;
7121 if(hiX == -1 && hiY == -1 && x == fromX && y == fromY) // record markings
7122 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7123 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7124 else if(hiX != x || hiY != y) {
7125 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7126 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7127 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7128 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7130 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7131 SendToProgram(buf, &first);
7133 SetHighlights(fromX, fromY, x, y);
7137 void ReportClick(char *action, int x, int y)
7139 char buf[MSG_SIZ]; // Inform engine of what user does
7141 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7142 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7143 if(!first.highlight || gameMode == EditPosition) return;
7144 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7145 SendToProgram(buf, &first);
7149 LeftClick (ClickType clickType, int xPix, int yPix)
7152 Boolean saveAnimate;
7153 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7154 char promoChoice = NULLCHAR;
7156 static TimeMark lastClickTime, prevClickTime;
7158 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7160 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7162 if (clickType == Press) ErrorPopDown();
7164 x = EventToSquare(xPix, BOARD_WIDTH);
7165 y = EventToSquare(yPix, BOARD_HEIGHT);
7166 if (!flipView && y >= 0) {
7167 y = BOARD_HEIGHT - 1 - y;
7169 if (flipView && x >= 0) {
7170 x = BOARD_WIDTH - 1 - x;
7173 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7174 defaultPromoChoice = promoSweep;
7175 promoSweep = EmptySquare; // terminate sweep
7176 promoDefaultAltered = TRUE;
7177 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7180 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7181 if(clickType == Release) return; // ignore upclick of click-click destination
7182 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7183 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7184 if(gameInfo.holdingsWidth &&
7185 (WhiteOnMove(currentMove)
7186 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7187 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7188 // click in right holdings, for determining promotion piece
7189 ChessSquare p = boards[currentMove][y][x];
7190 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7191 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7192 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7193 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7198 DrawPosition(FALSE, boards[currentMove]);
7202 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7203 if(clickType == Press
7204 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7205 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7206 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7209 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7210 // could be static click on premove from-square: abort premove
7212 ClearPremoveHighlights();
7215 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7216 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7218 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7219 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7220 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7221 defaultPromoChoice = DefaultPromoChoice(side);
7224 autoQueen = appData.alwaysPromoteToQueen;
7228 gatingPiece = EmptySquare;
7229 if (clickType != Press) {
7230 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7231 DragPieceEnd(xPix, yPix); dragging = 0;
7232 DrawPosition(FALSE, NULL);
7236 doubleClick = FALSE;
7237 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7238 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7240 fromX = x; fromY = y; toX = toY = -1;
7241 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7242 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7243 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7245 if (OKToStartUserMove(fromX, fromY)) {
7247 ReportClick("lift", x, y);
7248 MarkTargetSquares(0);
7249 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7250 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7251 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7252 promoSweep = defaultPromoChoice;
7253 selectFlag = 0; lastX = xPix; lastY = yPix;
7254 Sweep(0); // Pawn that is going to promote: preview promotion piece
7255 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7257 if (appData.highlightDragging) {
7258 SetHighlights(fromX, fromY, -1, -1);
7262 } else fromX = fromY = -1;
7268 if (clickType == Press && gameMode != EditPosition) {
7273 // ignore off-board to clicks
7274 if(y < 0 || x < 0) return;
7276 /* Check if clicking again on the same color piece */
7277 fromP = boards[currentMove][fromY][fromX];
7278 toP = boards[currentMove][y][x];
7279 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7280 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7281 WhitePawn <= toP && toP <= WhiteKing &&
7282 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7283 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7284 (BlackPawn <= fromP && fromP <= BlackKing &&
7285 BlackPawn <= toP && toP <= BlackKing &&
7286 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7287 !(fromP == BlackKing && toP == BlackRook && frc))) {
7288 /* Clicked again on same color piece -- changed his mind */
7289 second = (x == fromX && y == fromY);
7290 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7291 second = FALSE; // first double-click rather than scond click
7292 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7294 promoDefaultAltered = FALSE;
7295 MarkTargetSquares(1);
7296 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7297 if (appData.highlightDragging) {
7298 SetHighlights(x, y, -1, -1);
7302 if (OKToStartUserMove(x, y)) {
7303 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7304 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7305 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7306 gatingPiece = boards[currentMove][fromY][fromX];
7307 else gatingPiece = doubleClick ? fromP : EmptySquare;
7309 fromY = y; dragging = 1;
7310 ReportClick("lift", x, y);
7311 MarkTargetSquares(0);
7312 DragPieceBegin(xPix, yPix, FALSE);
7313 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7314 promoSweep = defaultPromoChoice;
7315 selectFlag = 0; lastX = xPix; lastY = yPix;
7316 Sweep(0); // Pawn that is going to promote: preview promotion piece
7320 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7323 // ignore clicks on holdings
7324 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7327 if (clickType == Release && x == fromX && y == fromY) {
7328 DragPieceEnd(xPix, yPix); dragging = 0;
7330 // a deferred attempt to click-click move an empty square on top of a piece
7331 boards[currentMove][y][x] = EmptySquare;
7333 DrawPosition(FALSE, boards[currentMove]);
7334 fromX = fromY = -1; clearFlag = 0;
7337 if (appData.animateDragging) {
7338 /* Undo animation damage if any */
7339 DrawPosition(FALSE, NULL);
7341 if (second || sweepSelecting) {
7342 /* Second up/down in same square; just abort move */
7343 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7344 second = sweepSelecting = 0;
7346 gatingPiece = EmptySquare;
7347 MarkTargetSquares(1);
7350 ClearPremoveHighlights();
7352 /* First upclick in same square; start click-click mode */
7353 SetHighlights(x, y, -1, -1);
7360 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x]) {
7361 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7362 DisplayMessage(_("only marked squares are legal"),"");
7363 DrawPosition(TRUE, NULL);
7364 return; // ignore to-click
7367 /* we now have a different from- and (possibly off-board) to-square */
7368 /* Completed move */
7369 if(!sweepSelecting) {
7372 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7374 saveAnimate = appData.animate;
7375 if (clickType == Press) {
7376 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7377 // must be Edit Position mode with empty-square selected
7378 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7379 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7382 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7383 if(appData.sweepSelect) {
7384 ChessSquare piece = boards[currentMove][fromY][fromX];
7385 promoSweep = defaultPromoChoice;
7386 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7387 selectFlag = 0; lastX = xPix; lastY = yPix;
7388 Sweep(0); // Pawn that is going to promote: preview promotion piece
7390 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7391 MarkTargetSquares(1);
7393 return; // promo popup appears on up-click
7395 /* Finish clickclick move */
7396 if (appData.animate || appData.highlightLastMove) {
7397 SetHighlights(fromX, fromY, toX, toY);
7403 // [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
7404 /* Finish drag move */
7405 if (appData.highlightLastMove) {
7406 SetHighlights(fromX, fromY, toX, toY);
7411 DragPieceEnd(xPix, yPix); dragging = 0;
7412 /* Don't animate move and drag both */
7413 appData.animate = FALSE;
7416 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7417 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7418 ChessSquare piece = boards[currentMove][fromY][fromX];
7419 if(gameMode == EditPosition && piece != EmptySquare &&
7420 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7423 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7424 n = PieceToNumber(piece - (int)BlackPawn);
7425 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7426 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7427 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7429 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7430 n = PieceToNumber(piece);
7431 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7432 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7433 boards[currentMove][n][BOARD_WIDTH-2]++;
7435 boards[currentMove][fromY][fromX] = EmptySquare;
7439 MarkTargetSquares(1);
7440 DrawPosition(TRUE, boards[currentMove]);
7444 // off-board moves should not be highlighted
7445 if(x < 0 || y < 0) ClearHighlights();
7446 else ReportClick("put", x, y);
7448 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7450 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7451 SetHighlights(fromX, fromY, toX, toY);
7452 MarkTargetSquares(1);
7453 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7454 // [HGM] super: promotion to captured piece selected from holdings
7455 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7456 promotionChoice = TRUE;
7457 // kludge follows to temporarily execute move on display, without promoting yet
7458 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7459 boards[currentMove][toY][toX] = p;
7460 DrawPosition(FALSE, boards[currentMove]);
7461 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7462 boards[currentMove][toY][toX] = q;
7463 DisplayMessage("Click in holdings to choose piece", "");
7468 int oldMove = currentMove;
7469 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7470 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7471 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7472 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7473 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7474 DrawPosition(TRUE, boards[currentMove]);
7475 MarkTargetSquares(1);
7478 appData.animate = saveAnimate;
7479 if (appData.animate || appData.animateDragging) {
7480 /* Undo animation damage if needed */
7481 DrawPosition(FALSE, NULL);
7486 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7487 { // front-end-free part taken out of PieceMenuPopup
7488 int whichMenu; int xSqr, ySqr;
7490 if(seekGraphUp) { // [HGM] seekgraph
7491 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7492 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7496 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7497 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7498 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7499 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7500 if(action == Press) {
7501 originalFlip = flipView;
7502 flipView = !flipView; // temporarily flip board to see game from partners perspective
7503 DrawPosition(TRUE, partnerBoard);
7504 DisplayMessage(partnerStatus, "");
7506 } else if(action == Release) {
7507 flipView = originalFlip;
7508 DrawPosition(TRUE, boards[currentMove]);
7514 xSqr = EventToSquare(x, BOARD_WIDTH);
7515 ySqr = EventToSquare(y, BOARD_HEIGHT);
7516 if (action == Release) {
7517 if(pieceSweep != EmptySquare) {
7518 EditPositionMenuEvent(pieceSweep, toX, toY);
7519 pieceSweep = EmptySquare;
7520 } else UnLoadPV(); // [HGM] pv
7522 if (action != Press) return -2; // return code to be ignored
7525 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7527 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7528 if (xSqr < 0 || ySqr < 0) return -1;
7529 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7530 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7531 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7532 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7536 if(!appData.icsEngineAnalyze) return -1;
7537 case IcsPlayingWhite:
7538 case IcsPlayingBlack:
7539 if(!appData.zippyPlay) goto noZip;
7542 case MachinePlaysWhite:
7543 case MachinePlaysBlack:
7544 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7545 if (!appData.dropMenu) {
7547 return 2; // flag front-end to grab mouse events
7549 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7550 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7553 if (xSqr < 0 || ySqr < 0) return -1;
7554 if (!appData.dropMenu || appData.testLegality &&
7555 gameInfo.variant != VariantBughouse &&
7556 gameInfo.variant != VariantCrazyhouse) return -1;
7557 whichMenu = 1; // drop menu
7563 if (((*fromX = xSqr) < 0) ||
7564 ((*fromY = ySqr) < 0)) {
7565 *fromX = *fromY = -1;
7569 *fromX = BOARD_WIDTH - 1 - *fromX;
7571 *fromY = BOARD_HEIGHT - 1 - *fromY;
7577 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7579 // char * hint = lastHint;
7580 FrontEndProgramStats stats;
7582 stats.which = cps == &first ? 0 : 1;
7583 stats.depth = cpstats->depth;
7584 stats.nodes = cpstats->nodes;
7585 stats.score = cpstats->score;
7586 stats.time = cpstats->time;
7587 stats.pv = cpstats->movelist;
7588 stats.hint = lastHint;
7589 stats.an_move_index = 0;
7590 stats.an_move_count = 0;
7592 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7593 stats.hint = cpstats->move_name;
7594 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7595 stats.an_move_count = cpstats->nr_moves;
7598 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
7600 SetProgramStats( &stats );
7604 ClearEngineOutputPane (int which)
7606 static FrontEndProgramStats dummyStats;
7607 dummyStats.which = which;
7608 dummyStats.pv = "#";
7609 SetProgramStats( &dummyStats );
7612 #define MAXPLAYERS 500
7615 TourneyStandings (int display)
7617 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7618 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7619 char result, *p, *names[MAXPLAYERS];
7621 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7622 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7623 names[0] = p = strdup(appData.participants);
7624 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7626 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7628 while(result = appData.results[nr]) {
7629 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7630 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7631 wScore = bScore = 0;
7633 case '+': wScore = 2; break;
7634 case '-': bScore = 2; break;
7635 case '=': wScore = bScore = 1; break;
7637 case '*': return strdup("busy"); // tourney not finished
7645 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7646 for(w=0; w<nPlayers; w++) {
7648 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7649 ranking[w] = b; points[w] = bScore; score[b] = -2;
7651 p = malloc(nPlayers*34+1);
7652 for(w=0; w<nPlayers && w<display; w++)
7653 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7659 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7660 { // count all piece types
7662 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7663 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7664 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7667 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7668 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7669 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7670 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7671 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7672 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7677 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7679 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7680 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7682 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7683 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7684 if(myPawns == 2 && nMine == 3) // KPP
7685 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7686 if(myPawns == 1 && nMine == 2) // KP
7687 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7688 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7689 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7690 if(myPawns) return FALSE;
7691 if(pCnt[WhiteRook+side])
7692 return pCnt[BlackRook-side] ||
7693 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7694 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7695 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7696 if(pCnt[WhiteCannon+side]) {
7697 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7698 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7700 if(pCnt[WhiteKnight+side])
7701 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7706 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7708 VariantClass v = gameInfo.variant;
7710 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7711 if(v == VariantShatranj) return TRUE; // always winnable through baring
7712 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7713 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7715 if(v == VariantXiangqi) {
7716 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7718 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7719 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7720 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7721 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7722 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7723 if(stale) // we have at least one last-rank P plus perhaps C
7724 return majors // KPKX
7725 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7727 return pCnt[WhiteFerz+side] // KCAK
7728 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7729 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7730 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7732 } else if(v == VariantKnightmate) {
7733 if(nMine == 1) return FALSE;
7734 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7735 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7736 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7738 if(nMine == 1) return FALSE; // bare King
7739 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
7740 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7741 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7742 // by now we have King + 1 piece (or multiple Bishops on the same color)
7743 if(pCnt[WhiteKnight+side])
7744 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7745 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7746 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7748 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7749 if(pCnt[WhiteAlfil+side])
7750 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7751 if(pCnt[WhiteWazir+side])
7752 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7759 CompareWithRights (Board b1, Board b2)
7762 if(!CompareBoards(b1, b2)) return FALSE;
7763 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7764 /* compare castling rights */
7765 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7766 rights++; /* King lost rights, while rook still had them */
7767 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7768 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7769 rights++; /* but at least one rook lost them */
7771 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7773 if( b1[CASTLING][5] != NoRights ) {
7774 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7781 Adjudicate (ChessProgramState *cps)
7782 { // [HGM] some adjudications useful with buggy engines
7783 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7784 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7785 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7786 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7787 int k, drop, count = 0; static int bare = 1;
7788 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7789 Boolean canAdjudicate = !appData.icsActive;
7791 // most tests only when we understand the game, i.e. legality-checking on
7792 if( appData.testLegality )
7793 { /* [HGM] Some more adjudications for obstinate engines */
7794 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7795 static int moveCount = 6;
7797 char *reason = NULL;
7799 /* Count what is on board. */
7800 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7802 /* Some material-based adjudications that have to be made before stalemate test */
7803 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7804 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7805 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7806 if(canAdjudicate && appData.checkMates) {
7808 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7809 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7810 "Xboard adjudication: King destroyed", GE_XBOARD );
7815 /* Bare King in Shatranj (loses) or Losers (wins) */
7816 if( nrW == 1 || nrB == 1) {
7817 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7818 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7819 if(canAdjudicate && appData.checkMates) {
7821 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7822 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7823 "Xboard adjudication: Bare king", GE_XBOARD );
7827 if( gameInfo.variant == VariantShatranj && --bare < 0)
7829 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7830 if(canAdjudicate && appData.checkMates) {
7831 /* but only adjudicate if adjudication enabled */
7833 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7834 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7835 "Xboard adjudication: Bare king", GE_XBOARD );
7842 // don't wait for engine to announce game end if we can judge ourselves
7843 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7845 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7846 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7847 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7848 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7851 reason = "Xboard adjudication: 3rd check";
7852 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7862 reason = "Xboard adjudication: Stalemate";
7863 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7864 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7865 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7866 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7867 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7868 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7869 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7870 EP_CHECKMATE : EP_WINS);
7871 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7872 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7876 reason = "Xboard adjudication: Checkmate";
7877 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7878 if(gameInfo.variant == VariantShogi) {
7879 if(forwardMostMove > backwardMostMove
7880 && moveList[forwardMostMove-1][1] == '@'
7881 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7882 reason = "XBoard adjudication: pawn-drop mate";
7883 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7889 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7891 result = GameIsDrawn; break;
7893 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7895 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7899 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7901 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7902 GameEnds( result, reason, GE_XBOARD );
7906 /* Next absolutely insufficient mating material. */
7907 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7908 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7909 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7911 /* always flag draws, for judging claims */
7912 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7914 if(canAdjudicate && appData.materialDraws) {
7915 /* but only adjudicate them if adjudication enabled */
7916 if(engineOpponent) {
7917 SendToProgram("force\n", engineOpponent); // suppress reply
7918 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7920 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7925 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7926 if(gameInfo.variant == VariantXiangqi ?
7927 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7929 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7930 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7931 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7932 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7934 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7935 { /* if the first 3 moves do not show a tactical win, declare draw */
7936 if(engineOpponent) {
7937 SendToProgram("force\n", engineOpponent); // suppress reply
7938 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7940 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7943 } else moveCount = 6;
7946 // Repetition draws and 50-move rule can be applied independently of legality testing
7948 /* Check for rep-draws */
7950 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7951 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7952 for(k = forwardMostMove-2;
7953 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7954 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7955 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7958 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7959 /* compare castling rights */
7960 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7961 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7962 rights++; /* King lost rights, while rook still had them */
7963 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7964 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7965 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7966 rights++; /* but at least one rook lost them */
7968 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7969 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7971 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7972 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7973 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7976 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7977 && appData.drawRepeats > 1) {
7978 /* adjudicate after user-specified nr of repeats */
7979 int result = GameIsDrawn;
7980 char *details = "XBoard adjudication: repetition draw";
7981 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7982 // [HGM] xiangqi: check for forbidden perpetuals
7983 int m, ourPerpetual = 1, hisPerpetual = 1;
7984 for(m=forwardMostMove; m>k; m-=2) {
7985 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7986 ourPerpetual = 0; // the current mover did not always check
7987 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7988 hisPerpetual = 0; // the opponent did not always check
7990 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7991 ourPerpetual, hisPerpetual);
7992 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7993 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7994 details = "Xboard adjudication: perpetual checking";
7996 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7997 break; // (or we would have caught him before). Abort repetition-checking loop.
7999 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8000 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8002 details = "Xboard adjudication: repetition";
8004 } else // it must be XQ
8005 // Now check for perpetual chases
8006 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8007 hisPerpetual = PerpetualChase(k, forwardMostMove);
8008 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8009 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8010 static char resdet[MSG_SIZ];
8011 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8013 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8015 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8016 break; // Abort repetition-checking loop.
8018 // if neither of us is checking or chasing all the time, or both are, it is draw
8020 if(engineOpponent) {
8021 SendToProgram("force\n", engineOpponent); // suppress reply
8022 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8024 GameEnds( result, details, GE_XBOARD );
8027 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8028 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8032 /* Now we test for 50-move draws. Determine ply count */
8033 count = forwardMostMove;
8034 /* look for last irreversble move */
8035 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8037 /* if we hit starting position, add initial plies */
8038 if( count == backwardMostMove )
8039 count -= initialRulePlies;
8040 count = forwardMostMove - count;
8041 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8042 // adjust reversible move counter for checks in Xiangqi
8043 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8044 if(i < backwardMostMove) i = backwardMostMove;
8045 while(i <= forwardMostMove) {
8046 lastCheck = inCheck; // check evasion does not count
8047 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8048 if(inCheck || lastCheck) count--; // check does not count
8053 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8054 /* this is used to judge if draw claims are legal */
8055 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8056 if(engineOpponent) {
8057 SendToProgram("force\n", engineOpponent); // suppress reply
8058 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8060 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8064 /* if draw offer is pending, treat it as a draw claim
8065 * when draw condition present, to allow engines a way to
8066 * claim draws before making their move to avoid a race
8067 * condition occurring after their move
8069 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8071 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8072 p = "Draw claim: 50-move rule";
8073 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8074 p = "Draw claim: 3-fold repetition";
8075 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8076 p = "Draw claim: insufficient mating material";
8077 if( p != NULL && canAdjudicate) {
8078 if(engineOpponent) {
8079 SendToProgram("force\n", engineOpponent); // suppress reply
8080 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8082 GameEnds( GameIsDrawn, p, GE_XBOARD );
8087 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8088 if(engineOpponent) {
8089 SendToProgram("force\n", engineOpponent); // suppress reply
8090 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8092 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8099 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8100 { // [HGM] book: this routine intercepts moves to simulate book replies
8101 char *bookHit = NULL;
8103 //first determine if the incoming move brings opponent into his book
8104 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8105 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8106 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8107 if(bookHit != NULL && !cps->bookSuspend) {
8108 // make sure opponent is not going to reply after receiving move to book position
8109 SendToProgram("force\n", cps);
8110 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8112 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8113 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8114 // now arrange restart after book miss
8116 // after a book hit we never send 'go', and the code after the call to this routine
8117 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8118 char buf[MSG_SIZ], *move = bookHit;
8120 int fromX, fromY, toX, toY;
8124 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8125 &fromX, &fromY, &toX, &toY, &promoChar)) {
8126 (void) CoordsToAlgebraic(boards[forwardMostMove],
8127 PosFlags(forwardMostMove),
8128 fromY, fromX, toY, toX, promoChar, move);
8130 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8134 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8135 SendToProgram(buf, cps);
8136 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8137 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8138 SendToProgram("go\n", cps);
8139 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8140 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8141 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8142 SendToProgram("go\n", cps);
8143 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8145 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8149 LoadError (char *errmess, ChessProgramState *cps)
8150 { // unloads engine and switches back to -ncp mode if it was first
8151 if(cps->initDone) return FALSE;
8152 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8153 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8156 appData.noChessProgram = TRUE;
8157 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8158 gameMode = BeginningOfGame; ModeHighlight();
8161 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8162 DisplayMessage("", ""); // erase waiting message
8163 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8168 ChessProgramState *savedState;
8170 DeferredBookMove (void)
8172 if(savedState->lastPing != savedState->lastPong)
8173 ScheduleDelayedEvent(DeferredBookMove, 10);
8175 HandleMachineMove(savedMessage, savedState);
8178 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8179 static ChessProgramState *stalledEngine;
8180 static char stashedInputMove[MSG_SIZ];
8183 HandleMachineMove (char *message, ChessProgramState *cps)
8185 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8186 char realname[MSG_SIZ];
8187 int fromX, fromY, toX, toY;
8191 int machineWhite, oldError;
8194 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8195 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8196 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8197 DisplayError(_("Invalid pairing from pairing engine"), 0);
8200 pairingReceived = 1;
8202 return; // Skim the pairing messages here.
8205 oldError = cps->userError; cps->userError = 0;
8207 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8209 * Kludge to ignore BEL characters
8211 while (*message == '\007') message++;
8214 * [HGM] engine debug message: ignore lines starting with '#' character
8216 if(cps->debug && *message == '#') return;
8219 * Look for book output
8221 if (cps == &first && bookRequested) {
8222 if (message[0] == '\t' || message[0] == ' ') {
8223 /* Part of the book output is here; append it */
8224 strcat(bookOutput, message);
8225 strcat(bookOutput, " \n");
8227 } else if (bookOutput[0] != NULLCHAR) {
8228 /* All of book output has arrived; display it */
8229 char *p = bookOutput;
8230 while (*p != NULLCHAR) {
8231 if (*p == '\t') *p = ' ';
8234 DisplayInformation(bookOutput);
8235 bookRequested = FALSE;
8236 /* Fall through to parse the current output */
8241 * Look for machine move.
8243 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8244 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8246 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8247 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8248 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8249 stalledEngine = cps;
8250 if(appData.ponderNextMove) { // bring opponent out of ponder
8251 if(gameMode == TwoMachinesPlay) {
8252 if(cps->other->pause)
8253 PauseEngine(cps->other);
8255 SendToProgram("easy\n", cps->other);
8262 /* This method is only useful on engines that support ping */
8263 if (cps->lastPing != cps->lastPong) {
8264 if (gameMode == BeginningOfGame) {
8265 /* Extra move from before last new; ignore */
8266 if (appData.debugMode) {
8267 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8270 if (appData.debugMode) {
8271 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8272 cps->which, gameMode);
8275 SendToProgram("undo\n", cps);
8281 case BeginningOfGame:
8282 /* Extra move from before last reset; ignore */
8283 if (appData.debugMode) {
8284 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8291 /* Extra move after we tried to stop. The mode test is
8292 not a reliable way of detecting this problem, but it's
8293 the best we can do on engines that don't support ping.
8295 if (appData.debugMode) {
8296 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8297 cps->which, gameMode);
8299 SendToProgram("undo\n", cps);
8302 case MachinePlaysWhite:
8303 case IcsPlayingWhite:
8304 machineWhite = TRUE;
8307 case MachinePlaysBlack:
8308 case IcsPlayingBlack:
8309 machineWhite = FALSE;
8312 case TwoMachinesPlay:
8313 machineWhite = (cps->twoMachinesColor[0] == 'w');
8316 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8317 if (appData.debugMode) {
8319 "Ignoring move out of turn by %s, gameMode %d"
8320 ", forwardMost %d\n",
8321 cps->which, gameMode, forwardMostMove);
8326 if(cps->alphaRank) AlphaRank(machineMove, 4);
8327 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8328 &fromX, &fromY, &toX, &toY, &promoChar)) {
8329 /* Machine move could not be parsed; ignore it. */
8330 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8331 machineMove, _(cps->which));
8332 DisplayMoveError(buf1);
8333 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8334 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8335 if (gameMode == TwoMachinesPlay) {
8336 GameEnds(machineWhite ? BlackWins : WhiteWins,
8342 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8343 /* So we have to redo legality test with true e.p. status here, */
8344 /* to make sure an illegal e.p. capture does not slip through, */
8345 /* to cause a forfeit on a justified illegal-move complaint */
8346 /* of the opponent. */
8347 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8349 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8350 fromY, fromX, toY, toX, promoChar);
8351 if(moveType == IllegalMove) {
8352 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8353 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8354 GameEnds(machineWhite ? BlackWins : WhiteWins,
8357 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8358 /* [HGM] Kludge to handle engines that send FRC-style castling
8359 when they shouldn't (like TSCP-Gothic) */
8361 case WhiteASideCastleFR:
8362 case BlackASideCastleFR:
8364 currentMoveString[2]++;
8366 case WhiteHSideCastleFR:
8367 case BlackHSideCastleFR:
8369 currentMoveString[2]--;
8371 default: ; // nothing to do, but suppresses warning of pedantic compilers
8374 hintRequested = FALSE;
8375 lastHint[0] = NULLCHAR;
8376 bookRequested = FALSE;
8377 /* Program may be pondering now */
8378 cps->maybeThinking = TRUE;
8379 if (cps->sendTime == 2) cps->sendTime = 1;
8380 if (cps->offeredDraw) cps->offeredDraw--;
8382 /* [AS] Save move info*/
8383 pvInfoList[ forwardMostMove ].score = programStats.score;
8384 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8385 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8387 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8389 /* Test suites abort the 'game' after one move */
8390 if(*appData.finger) {
8392 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8393 if(!f) f = fopen(appData.finger, "w");
8394 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8395 else { DisplayFatalError("Bad output file", errno, 0); return; }
8397 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8400 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8401 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8404 while( count < adjudicateLossPlies ) {
8405 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8408 score = -score; /* Flip score for winning side */
8411 if( score > adjudicateLossThreshold ) {
8418 if( count >= adjudicateLossPlies ) {
8419 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8421 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8422 "Xboard adjudication",
8429 if(Adjudicate(cps)) {
8430 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8431 return; // [HGM] adjudicate: for all automatic game ends
8435 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8437 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8438 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8440 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8442 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8444 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8445 char buf[3*MSG_SIZ];
8447 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8448 programStats.score / 100.,
8450 programStats.time / 100.,
8451 (unsigned int)programStats.nodes,
8452 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8453 programStats.movelist);
8455 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8460 /* [AS] Clear stats for next move */
8461 ClearProgramStats();
8462 thinkOutput[0] = NULLCHAR;
8463 hiddenThinkOutputState = 0;
8466 if (gameMode == TwoMachinesPlay) {
8467 /* [HGM] relaying draw offers moved to after reception of move */
8468 /* and interpreting offer as claim if it brings draw condition */
8469 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8470 SendToProgram("draw\n", cps->other);
8472 if (cps->other->sendTime) {
8473 SendTimeRemaining(cps->other,
8474 cps->other->twoMachinesColor[0] == 'w');
8476 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8477 if (firstMove && !bookHit) {
8479 if (cps->other->useColors) {
8480 SendToProgram(cps->other->twoMachinesColor, cps->other);
8482 SendToProgram("go\n", cps->other);
8484 cps->other->maybeThinking = TRUE;
8487 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8489 if (!pausing && appData.ringBellAfterMoves) {
8494 * Reenable menu items that were disabled while
8495 * machine was thinking
8497 if (gameMode != TwoMachinesPlay)
8498 SetUserThinkingEnables();
8500 // [HGM] book: after book hit opponent has received move and is now in force mode
8501 // force the book reply into it, and then fake that it outputted this move by jumping
8502 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8504 static char bookMove[MSG_SIZ]; // a bit generous?
8506 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8507 strcat(bookMove, bookHit);
8510 programStats.nodes = programStats.depth = programStats.time =
8511 programStats.score = programStats.got_only_move = 0;
8512 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8514 if(cps->lastPing != cps->lastPong) {
8515 savedMessage = message; // args for deferred call
8517 ScheduleDelayedEvent(DeferredBookMove, 10);
8526 /* Set special modes for chess engines. Later something general
8527 * could be added here; for now there is just one kludge feature,
8528 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8529 * when "xboard" is given as an interactive command.
8531 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8532 cps->useSigint = FALSE;
8533 cps->useSigterm = FALSE;
8535 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8536 ParseFeatures(message+8, cps);
8537 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8540 if (!strncmp(message, "setup ", 6) &&
8541 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8542 ) { // [HGM] allow first engine to define opening position
8543 int dummy, s=6; char buf[MSG_SIZ];
8544 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8545 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8546 if(startedFromSetupPosition) return;
8547 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8548 ParseFEN(boards[0], &dummy, message+s);
8549 DrawPosition(TRUE, boards[0]);
8550 startedFromSetupPosition = TRUE;
8553 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8554 * want this, I was asked to put it in, and obliged.
8556 if (!strncmp(message, "setboard ", 9)) {
8557 Board initial_position;
8559 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8561 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8562 DisplayError(_("Bad FEN received from engine"), 0);
8566 CopyBoard(boards[0], initial_position);
8567 initialRulePlies = FENrulePlies;
8568 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8569 else gameMode = MachinePlaysBlack;
8570 DrawPosition(FALSE, boards[currentMove]);
8576 * Look for communication commands
8578 if (!strncmp(message, "telluser ", 9)) {
8579 if(message[9] == '\\' && message[10] == '\\')
8580 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8582 DisplayNote(message + 9);
8585 if (!strncmp(message, "tellusererror ", 14)) {
8587 if(message[14] == '\\' && message[15] == '\\')
8588 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8590 DisplayError(message + 14, 0);
8593 if (!strncmp(message, "tellopponent ", 13)) {
8594 if (appData.icsActive) {
8596 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8600 DisplayNote(message + 13);
8604 if (!strncmp(message, "tellothers ", 11)) {
8605 if (appData.icsActive) {
8607 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8610 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8613 if (!strncmp(message, "tellall ", 8)) {
8614 if (appData.icsActive) {
8616 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8620 DisplayNote(message + 8);
8624 if (strncmp(message, "warning", 7) == 0) {
8625 /* Undocumented feature, use tellusererror in new code */
8626 DisplayError(message, 0);
8629 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8630 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8631 strcat(realname, " query");
8632 AskQuestion(realname, buf2, buf1, cps->pr);
8635 /* Commands from the engine directly to ICS. We don't allow these to be
8636 * sent until we are logged on. Crafty kibitzes have been known to
8637 * interfere with the login process.
8640 if (!strncmp(message, "tellics ", 8)) {
8641 SendToICS(message + 8);
8645 if (!strncmp(message, "tellicsnoalias ", 15)) {
8646 SendToICS(ics_prefix);
8647 SendToICS(message + 15);
8651 /* The following are for backward compatibility only */
8652 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8653 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8654 SendToICS(ics_prefix);
8660 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8663 if(!strncmp(message, "highlight ", 10)) {
8664 if(appData.testLegality && appData.markers) return;
8665 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8669 * If the move is illegal, cancel it and redraw the board.
8670 * Also deal with other error cases. Matching is rather loose
8671 * here to accommodate engines written before the spec.
8673 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8674 strncmp(message, "Error", 5) == 0) {
8675 if (StrStr(message, "name") ||
8676 StrStr(message, "rating") || StrStr(message, "?") ||
8677 StrStr(message, "result") || StrStr(message, "board") ||
8678 StrStr(message, "bk") || StrStr(message, "computer") ||
8679 StrStr(message, "variant") || StrStr(message, "hint") ||
8680 StrStr(message, "random") || StrStr(message, "depth") ||
8681 StrStr(message, "accepted")) {
8684 if (StrStr(message, "protover")) {
8685 /* Program is responding to input, so it's apparently done
8686 initializing, and this error message indicates it is
8687 protocol version 1. So we don't need to wait any longer
8688 for it to initialize and send feature commands. */
8689 FeatureDone(cps, 1);
8690 cps->protocolVersion = 1;
8693 cps->maybeThinking = FALSE;
8695 if (StrStr(message, "draw")) {
8696 /* Program doesn't have "draw" command */
8697 cps->sendDrawOffers = 0;
8700 if (cps->sendTime != 1 &&
8701 (StrStr(message, "time") || StrStr(message, "otim"))) {
8702 /* Program apparently doesn't have "time" or "otim" command */
8706 if (StrStr(message, "analyze")) {
8707 cps->analysisSupport = FALSE;
8708 cps->analyzing = FALSE;
8709 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8710 EditGameEvent(); // [HGM] try to preserve loaded game
8711 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8712 DisplayError(buf2, 0);
8715 if (StrStr(message, "(no matching move)st")) {
8716 /* Special kludge for GNU Chess 4 only */
8717 cps->stKludge = TRUE;
8718 SendTimeControl(cps, movesPerSession, timeControl,
8719 timeIncrement, appData.searchDepth,
8723 if (StrStr(message, "(no matching move)sd")) {
8724 /* Special kludge for GNU Chess 4 only */
8725 cps->sdKludge = TRUE;
8726 SendTimeControl(cps, movesPerSession, timeControl,
8727 timeIncrement, appData.searchDepth,
8731 if (!StrStr(message, "llegal")) {
8734 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8735 gameMode == IcsIdle) return;
8736 if (forwardMostMove <= backwardMostMove) return;
8737 if (pausing) PauseEvent();
8738 if(appData.forceIllegal) {
8739 // [HGM] illegal: machine refused move; force position after move into it
8740 SendToProgram("force\n", cps);
8741 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8742 // we have a real problem now, as SendBoard will use the a2a3 kludge
8743 // when black is to move, while there might be nothing on a2 or black
8744 // might already have the move. So send the board as if white has the move.
8745 // But first we must change the stm of the engine, as it refused the last move
8746 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8747 if(WhiteOnMove(forwardMostMove)) {
8748 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8749 SendBoard(cps, forwardMostMove); // kludgeless board
8751 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8752 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8753 SendBoard(cps, forwardMostMove+1); // kludgeless board
8755 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8756 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8757 gameMode == TwoMachinesPlay)
8758 SendToProgram("go\n", cps);
8761 if (gameMode == PlayFromGameFile) {
8762 /* Stop reading this game file */
8763 gameMode = EditGame;
8766 /* [HGM] illegal-move claim should forfeit game when Xboard */
8767 /* only passes fully legal moves */
8768 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8769 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8770 "False illegal-move claim", GE_XBOARD );
8771 return; // do not take back move we tested as valid
8773 currentMove = forwardMostMove-1;
8774 DisplayMove(currentMove-1); /* before DisplayMoveError */
8775 SwitchClocks(forwardMostMove-1); // [HGM] race
8776 DisplayBothClocks();
8777 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8778 parseList[currentMove], _(cps->which));
8779 DisplayMoveError(buf1);
8780 DrawPosition(FALSE, boards[currentMove]);
8782 SetUserThinkingEnables();
8785 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8786 /* Program has a broken "time" command that
8787 outputs a string not ending in newline.
8793 * If chess program startup fails, exit with an error message.
8794 * Attempts to recover here are futile. [HGM] Well, we try anyway
8796 if ((StrStr(message, "unknown host") != NULL)
8797 || (StrStr(message, "No remote directory") != NULL)
8798 || (StrStr(message, "not found") != NULL)
8799 || (StrStr(message, "No such file") != NULL)
8800 || (StrStr(message, "can't alloc") != NULL)
8801 || (StrStr(message, "Permission denied") != NULL)) {
8803 cps->maybeThinking = FALSE;
8804 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8805 _(cps->which), cps->program, cps->host, message);
8806 RemoveInputSource(cps->isr);
8807 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8808 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8809 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8815 * Look for hint output
8817 if (sscanf(message, "Hint: %s", buf1) == 1) {
8818 if (cps == &first && hintRequested) {
8819 hintRequested = FALSE;
8820 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8821 &fromX, &fromY, &toX, &toY, &promoChar)) {
8822 (void) CoordsToAlgebraic(boards[forwardMostMove],
8823 PosFlags(forwardMostMove),
8824 fromY, fromX, toY, toX, promoChar, buf1);
8825 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8826 DisplayInformation(buf2);
8828 /* Hint move could not be parsed!? */
8829 snprintf(buf2, sizeof(buf2),
8830 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8831 buf1, _(cps->which));
8832 DisplayError(buf2, 0);
8835 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8841 * Ignore other messages if game is not in progress
8843 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8844 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8847 * look for win, lose, draw, or draw offer
8849 if (strncmp(message, "1-0", 3) == 0) {
8850 char *p, *q, *r = "";
8851 p = strchr(message, '{');
8859 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8861 } else if (strncmp(message, "0-1", 3) == 0) {
8862 char *p, *q, *r = "";
8863 p = strchr(message, '{');
8871 /* Kludge for Arasan 4.1 bug */
8872 if (strcmp(r, "Black resigns") == 0) {
8873 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8876 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8878 } else if (strncmp(message, "1/2", 3) == 0) {
8879 char *p, *q, *r = "";
8880 p = strchr(message, '{');
8889 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8892 } else if (strncmp(message, "White resign", 12) == 0) {
8893 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8895 } else if (strncmp(message, "Black resign", 12) == 0) {
8896 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8898 } else if (strncmp(message, "White matches", 13) == 0 ||
8899 strncmp(message, "Black matches", 13) == 0 ) {
8900 /* [HGM] ignore GNUShogi noises */
8902 } else if (strncmp(message, "White", 5) == 0 &&
8903 message[5] != '(' &&
8904 StrStr(message, "Black") == NULL) {
8905 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8907 } else if (strncmp(message, "Black", 5) == 0 &&
8908 message[5] != '(') {
8909 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8911 } else if (strcmp(message, "resign") == 0 ||
8912 strcmp(message, "computer resigns") == 0) {
8914 case MachinePlaysBlack:
8915 case IcsPlayingBlack:
8916 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8918 case MachinePlaysWhite:
8919 case IcsPlayingWhite:
8920 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8922 case TwoMachinesPlay:
8923 if (cps->twoMachinesColor[0] == 'w')
8924 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8926 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8933 } else if (strncmp(message, "opponent mates", 14) == 0) {
8935 case MachinePlaysBlack:
8936 case IcsPlayingBlack:
8937 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8939 case MachinePlaysWhite:
8940 case IcsPlayingWhite:
8941 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8943 case TwoMachinesPlay:
8944 if (cps->twoMachinesColor[0] == 'w')
8945 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8947 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8954 } else if (strncmp(message, "computer mates", 14) == 0) {
8956 case MachinePlaysBlack:
8957 case IcsPlayingBlack:
8958 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8960 case MachinePlaysWhite:
8961 case IcsPlayingWhite:
8962 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8964 case TwoMachinesPlay:
8965 if (cps->twoMachinesColor[0] == 'w')
8966 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8968 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8975 } else if (strncmp(message, "checkmate", 9) == 0) {
8976 if (WhiteOnMove(forwardMostMove)) {
8977 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8979 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8982 } else if (strstr(message, "Draw") != NULL ||
8983 strstr(message, "game is a draw") != NULL) {
8984 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8986 } else if (strstr(message, "offer") != NULL &&
8987 strstr(message, "draw") != NULL) {
8989 if (appData.zippyPlay && first.initDone) {
8990 /* Relay offer to ICS */
8991 SendToICS(ics_prefix);
8992 SendToICS("draw\n");
8995 cps->offeredDraw = 2; /* valid until this engine moves twice */
8996 if (gameMode == TwoMachinesPlay) {
8997 if (cps->other->offeredDraw) {
8998 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8999 /* [HGM] in two-machine mode we delay relaying draw offer */
9000 /* until after we also have move, to see if it is really claim */
9002 } else if (gameMode == MachinePlaysWhite ||
9003 gameMode == MachinePlaysBlack) {
9004 if (userOfferedDraw) {
9005 DisplayInformation(_("Machine accepts your draw offer"));
9006 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9008 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
9015 * Look for thinking output
9017 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9018 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9020 int plylev, mvleft, mvtot, curscore, time;
9021 char mvname[MOVE_LEN];
9025 int prefixHint = FALSE;
9026 mvname[0] = NULLCHAR;
9029 case MachinePlaysBlack:
9030 case IcsPlayingBlack:
9031 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9033 case MachinePlaysWhite:
9034 case IcsPlayingWhite:
9035 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9040 case IcsObserving: /* [DM] icsEngineAnalyze */
9041 if (!appData.icsEngineAnalyze) ignore = TRUE;
9043 case TwoMachinesPlay:
9044 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9054 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9056 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9057 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9059 if (plyext != ' ' && plyext != '\t') {
9063 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9064 if( cps->scoreIsAbsolute &&
9065 ( gameMode == MachinePlaysBlack ||
9066 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9067 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9068 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9069 !WhiteOnMove(currentMove)
9072 curscore = -curscore;
9075 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9077 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9080 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9081 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9082 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9083 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9084 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9085 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9087 } else DisplayError(_("failed writing PV"), 0);
9090 tempStats.depth = plylev;
9091 tempStats.nodes = nodes;
9092 tempStats.time = time;
9093 tempStats.score = curscore;
9094 tempStats.got_only_move = 0;
9096 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9099 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9100 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9101 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9102 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9103 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9104 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9105 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9106 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9109 /* Buffer overflow protection */
9110 if (pv[0] != NULLCHAR) {
9111 if (strlen(pv) >= sizeof(tempStats.movelist)
9112 && appData.debugMode) {
9114 "PV is too long; using the first %u bytes.\n",
9115 (unsigned) sizeof(tempStats.movelist) - 1);
9118 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9120 sprintf(tempStats.movelist, " no PV\n");
9123 if (tempStats.seen_stat) {
9124 tempStats.ok_to_send = 1;
9127 if (strchr(tempStats.movelist, '(') != NULL) {
9128 tempStats.line_is_book = 1;
9129 tempStats.nr_moves = 0;
9130 tempStats.moves_left = 0;
9132 tempStats.line_is_book = 0;
9135 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9136 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9138 SendProgramStatsToFrontend( cps, &tempStats );
9141 [AS] Protect the thinkOutput buffer from overflow... this
9142 is only useful if buf1 hasn't overflowed first!
9144 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9146 (gameMode == TwoMachinesPlay ?
9147 ToUpper(cps->twoMachinesColor[0]) : ' '),
9148 ((double) curscore) / 100.0,
9149 prefixHint ? lastHint : "",
9150 prefixHint ? " " : "" );
9152 if( buf1[0] != NULLCHAR ) {
9153 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9155 if( strlen(pv) > max_len ) {
9156 if( appData.debugMode) {
9157 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9159 pv[max_len+1] = '\0';
9162 strcat( thinkOutput, pv);
9165 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9166 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9167 DisplayMove(currentMove - 1);
9171 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9172 /* crafty (9.25+) says "(only move) <move>"
9173 * if there is only 1 legal move
9175 sscanf(p, "(only move) %s", buf1);
9176 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9177 sprintf(programStats.movelist, "%s (only move)", buf1);
9178 programStats.depth = 1;
9179 programStats.nr_moves = 1;
9180 programStats.moves_left = 1;
9181 programStats.nodes = 1;
9182 programStats.time = 1;
9183 programStats.got_only_move = 1;
9185 /* Not really, but we also use this member to
9186 mean "line isn't going to change" (Crafty
9187 isn't searching, so stats won't change) */
9188 programStats.line_is_book = 1;
9190 SendProgramStatsToFrontend( cps, &programStats );
9192 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9193 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9194 DisplayMove(currentMove - 1);
9197 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9198 &time, &nodes, &plylev, &mvleft,
9199 &mvtot, mvname) >= 5) {
9200 /* The stat01: line is from Crafty (9.29+) in response
9201 to the "." command */
9202 programStats.seen_stat = 1;
9203 cps->maybeThinking = TRUE;
9205 if (programStats.got_only_move || !appData.periodicUpdates)
9208 programStats.depth = plylev;
9209 programStats.time = time;
9210 programStats.nodes = nodes;
9211 programStats.moves_left = mvleft;
9212 programStats.nr_moves = mvtot;
9213 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9214 programStats.ok_to_send = 1;
9215 programStats.movelist[0] = '\0';
9217 SendProgramStatsToFrontend( cps, &programStats );
9221 } else if (strncmp(message,"++",2) == 0) {
9222 /* Crafty 9.29+ outputs this */
9223 programStats.got_fail = 2;
9226 } else if (strncmp(message,"--",2) == 0) {
9227 /* Crafty 9.29+ outputs this */
9228 programStats.got_fail = 1;
9231 } else if (thinkOutput[0] != NULLCHAR &&
9232 strncmp(message, " ", 4) == 0) {
9233 unsigned message_len;
9236 while (*p && *p == ' ') p++;
9238 message_len = strlen( p );
9240 /* [AS] Avoid buffer overflow */
9241 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9242 strcat(thinkOutput, " ");
9243 strcat(thinkOutput, p);
9246 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9247 strcat(programStats.movelist, " ");
9248 strcat(programStats.movelist, p);
9251 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9252 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9253 DisplayMove(currentMove - 1);
9261 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9262 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9264 ChessProgramStats cpstats;
9266 if (plyext != ' ' && plyext != '\t') {
9270 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9271 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9272 curscore = -curscore;
9275 cpstats.depth = plylev;
9276 cpstats.nodes = nodes;
9277 cpstats.time = time;
9278 cpstats.score = curscore;
9279 cpstats.got_only_move = 0;
9280 cpstats.movelist[0] = '\0';
9282 if (buf1[0] != NULLCHAR) {
9283 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9286 cpstats.ok_to_send = 0;
9287 cpstats.line_is_book = 0;
9288 cpstats.nr_moves = 0;
9289 cpstats.moves_left = 0;
9291 SendProgramStatsToFrontend( cps, &cpstats );
9298 /* Parse a game score from the character string "game", and
9299 record it as the history of the current game. The game
9300 score is NOT assumed to start from the standard position.
9301 The display is not updated in any way.
9304 ParseGameHistory (char *game)
9307 int fromX, fromY, toX, toY, boardIndex;
9312 if (appData.debugMode)
9313 fprintf(debugFP, "Parsing game history: %s\n", game);
9315 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9316 gameInfo.site = StrSave(appData.icsHost);
9317 gameInfo.date = PGNDate();
9318 gameInfo.round = StrSave("-");
9320 /* Parse out names of players */
9321 while (*game == ' ') game++;
9323 while (*game != ' ') *p++ = *game++;
9325 gameInfo.white = StrSave(buf);
9326 while (*game == ' ') game++;
9328 while (*game != ' ' && *game != '\n') *p++ = *game++;
9330 gameInfo.black = StrSave(buf);
9333 boardIndex = blackPlaysFirst ? 1 : 0;
9336 yyboardindex = boardIndex;
9337 moveType = (ChessMove) Myylex();
9339 case IllegalMove: /* maybe suicide chess, etc. */
9340 if (appData.debugMode) {
9341 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9342 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9343 setbuf(debugFP, NULL);
9345 case WhitePromotion:
9346 case BlackPromotion:
9347 case WhiteNonPromotion:
9348 case BlackNonPromotion:
9350 case WhiteCapturesEnPassant:
9351 case BlackCapturesEnPassant:
9352 case WhiteKingSideCastle:
9353 case WhiteQueenSideCastle:
9354 case BlackKingSideCastle:
9355 case BlackQueenSideCastle:
9356 case WhiteKingSideCastleWild:
9357 case WhiteQueenSideCastleWild:
9358 case BlackKingSideCastleWild:
9359 case BlackQueenSideCastleWild:
9361 case WhiteHSideCastleFR:
9362 case WhiteASideCastleFR:
9363 case BlackHSideCastleFR:
9364 case BlackASideCastleFR:
9366 fromX = currentMoveString[0] - AAA;
9367 fromY = currentMoveString[1] - ONE;
9368 toX = currentMoveString[2] - AAA;
9369 toY = currentMoveString[3] - ONE;
9370 promoChar = currentMoveString[4];
9374 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9375 fromX = moveType == WhiteDrop ?
9376 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9377 (int) CharToPiece(ToLower(currentMoveString[0]));
9379 toX = currentMoveString[2] - AAA;
9380 toY = currentMoveString[3] - ONE;
9381 promoChar = NULLCHAR;
9385 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9386 if (appData.debugMode) {
9387 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9388 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9389 setbuf(debugFP, NULL);
9391 DisplayError(buf, 0);
9393 case ImpossibleMove:
9395 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9396 if (appData.debugMode) {
9397 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9398 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9399 setbuf(debugFP, NULL);
9401 DisplayError(buf, 0);
9404 if (boardIndex < backwardMostMove) {
9405 /* Oops, gap. How did that happen? */
9406 DisplayError(_("Gap in move list"), 0);
9409 backwardMostMove = blackPlaysFirst ? 1 : 0;
9410 if (boardIndex > forwardMostMove) {
9411 forwardMostMove = boardIndex;
9415 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9416 strcat(parseList[boardIndex-1], " ");
9417 strcat(parseList[boardIndex-1], yy_text);
9429 case GameUnfinished:
9430 if (gameMode == IcsExamining) {
9431 if (boardIndex < backwardMostMove) {
9432 /* Oops, gap. How did that happen? */
9435 backwardMostMove = blackPlaysFirst ? 1 : 0;
9438 gameInfo.result = moveType;
9439 p = strchr(yy_text, '{');
9440 if (p == NULL) p = strchr(yy_text, '(');
9443 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9445 q = strchr(p, *p == '{' ? '}' : ')');
9446 if (q != NULL) *q = NULLCHAR;
9449 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9450 gameInfo.resultDetails = StrSave(p);
9453 if (boardIndex >= forwardMostMove &&
9454 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9455 backwardMostMove = blackPlaysFirst ? 1 : 0;
9458 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9459 fromY, fromX, toY, toX, promoChar,
9460 parseList[boardIndex]);
9461 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9462 /* currentMoveString is set as a side-effect of yylex */
9463 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9464 strcat(moveList[boardIndex], "\n");
9466 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9467 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9473 if(gameInfo.variant != VariantShogi)
9474 strcat(parseList[boardIndex - 1], "+");
9478 strcat(parseList[boardIndex - 1], "#");
9485 /* Apply a move to the given board */
9487 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9489 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9490 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9492 /* [HGM] compute & store e.p. status and castling rights for new position */
9493 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9495 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9496 oldEP = (signed char)board[EP_STATUS];
9497 board[EP_STATUS] = EP_NONE;
9499 if (fromY == DROP_RANK) {
9501 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9502 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9505 piece = board[toY][toX] = (ChessSquare) fromX;
9509 if( board[toY][toX] != EmptySquare )
9510 board[EP_STATUS] = EP_CAPTURE;
9512 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9513 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9514 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9516 if( board[fromY][fromX] == WhitePawn ) {
9517 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9518 board[EP_STATUS] = EP_PAWN_MOVE;
9520 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9521 gameInfo.variant != VariantBerolina || toX < fromX)
9522 board[EP_STATUS] = toX | berolina;
9523 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9524 gameInfo.variant != VariantBerolina || toX > fromX)
9525 board[EP_STATUS] = toX;
9528 if( board[fromY][fromX] == BlackPawn ) {
9529 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9530 board[EP_STATUS] = EP_PAWN_MOVE;
9531 if( toY-fromY== -2) {
9532 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9533 gameInfo.variant != VariantBerolina || toX < fromX)
9534 board[EP_STATUS] = toX | berolina;
9535 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9536 gameInfo.variant != VariantBerolina || toX > fromX)
9537 board[EP_STATUS] = toX;
9541 for(i=0; i<nrCastlingRights; i++) {
9542 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9543 board[CASTLING][i] == toX && castlingRank[i] == toY
9544 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9547 if(gameInfo.variant == VariantSChess) { // update virginity
9548 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9549 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9550 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9551 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9554 if (fromX == toX && fromY == toY) return;
9556 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9557 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9558 if(gameInfo.variant == VariantKnightmate)
9559 king += (int) WhiteUnicorn - (int) WhiteKing;
9561 /* Code added by Tord: */
9562 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9563 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9564 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9565 board[fromY][fromX] = EmptySquare;
9566 board[toY][toX] = EmptySquare;
9567 if((toX > fromX) != (piece == WhiteRook)) {
9568 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9570 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9572 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9573 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9574 board[fromY][fromX] = EmptySquare;
9575 board[toY][toX] = EmptySquare;
9576 if((toX > fromX) != (piece == BlackRook)) {
9577 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9579 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9581 /* End of code added by Tord */
9583 } else if (board[fromY][fromX] == king
9584 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9585 && toY == fromY && toX > fromX+1) {
9586 board[fromY][fromX] = EmptySquare;
9587 board[toY][toX] = king;
9588 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9589 board[fromY][BOARD_RGHT-1] = EmptySquare;
9590 } else if (board[fromY][fromX] == king
9591 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9592 && toY == fromY && toX < fromX-1) {
9593 board[fromY][fromX] = EmptySquare;
9594 board[toY][toX] = king;
9595 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9596 board[fromY][BOARD_LEFT] = EmptySquare;
9597 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9598 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9599 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9601 /* white pawn promotion */
9602 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9603 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9604 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9605 board[fromY][fromX] = EmptySquare;
9606 } else if ((fromY >= BOARD_HEIGHT>>1)
9607 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9609 && gameInfo.variant != VariantXiangqi
9610 && gameInfo.variant != VariantBerolina
9611 && (board[fromY][fromX] == WhitePawn)
9612 && (board[toY][toX] == EmptySquare)) {
9613 board[fromY][fromX] = EmptySquare;
9614 board[toY][toX] = WhitePawn;
9615 captured = board[toY - 1][toX];
9616 board[toY - 1][toX] = EmptySquare;
9617 } else if ((fromY == BOARD_HEIGHT-4)
9619 && gameInfo.variant == VariantBerolina
9620 && (board[fromY][fromX] == WhitePawn)
9621 && (board[toY][toX] == EmptySquare)) {
9622 board[fromY][fromX] = EmptySquare;
9623 board[toY][toX] = WhitePawn;
9624 if(oldEP & EP_BEROLIN_A) {
9625 captured = board[fromY][fromX-1];
9626 board[fromY][fromX-1] = EmptySquare;
9627 }else{ captured = board[fromY][fromX+1];
9628 board[fromY][fromX+1] = EmptySquare;
9630 } else if (board[fromY][fromX] == king
9631 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9632 && toY == fromY && toX > fromX+1) {
9633 board[fromY][fromX] = EmptySquare;
9634 board[toY][toX] = king;
9635 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9636 board[fromY][BOARD_RGHT-1] = EmptySquare;
9637 } else if (board[fromY][fromX] == king
9638 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9639 && toY == fromY && toX < fromX-1) {
9640 board[fromY][fromX] = EmptySquare;
9641 board[toY][toX] = king;
9642 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9643 board[fromY][BOARD_LEFT] = EmptySquare;
9644 } else if (fromY == 7 && fromX == 3
9645 && board[fromY][fromX] == BlackKing
9646 && toY == 7 && toX == 5) {
9647 board[fromY][fromX] = EmptySquare;
9648 board[toY][toX] = BlackKing;
9649 board[fromY][7] = EmptySquare;
9650 board[toY][4] = BlackRook;
9651 } else if (fromY == 7 && fromX == 3
9652 && board[fromY][fromX] == BlackKing
9653 && toY == 7 && toX == 1) {
9654 board[fromY][fromX] = EmptySquare;
9655 board[toY][toX] = BlackKing;
9656 board[fromY][0] = EmptySquare;
9657 board[toY][2] = BlackRook;
9658 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9659 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9660 && toY < promoRank && promoChar
9662 /* black pawn promotion */
9663 board[toY][toX] = CharToPiece(ToLower(promoChar));
9664 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9665 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9666 board[fromY][fromX] = EmptySquare;
9667 } else if ((fromY < BOARD_HEIGHT>>1)
9668 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9670 && gameInfo.variant != VariantXiangqi
9671 && gameInfo.variant != VariantBerolina
9672 && (board[fromY][fromX] == BlackPawn)
9673 && (board[toY][toX] == EmptySquare)) {
9674 board[fromY][fromX] = EmptySquare;
9675 board[toY][toX] = BlackPawn;
9676 captured = board[toY + 1][toX];
9677 board[toY + 1][toX] = EmptySquare;
9678 } else if ((fromY == 3)
9680 && gameInfo.variant == VariantBerolina
9681 && (board[fromY][fromX] == BlackPawn)
9682 && (board[toY][toX] == EmptySquare)) {
9683 board[fromY][fromX] = EmptySquare;
9684 board[toY][toX] = BlackPawn;
9685 if(oldEP & EP_BEROLIN_A) {
9686 captured = board[fromY][fromX-1];
9687 board[fromY][fromX-1] = EmptySquare;
9688 }else{ captured = board[fromY][fromX+1];
9689 board[fromY][fromX+1] = EmptySquare;
9692 board[toY][toX] = board[fromY][fromX];
9693 board[fromY][fromX] = EmptySquare;
9697 if (gameInfo.holdingsWidth != 0) {
9699 /* !!A lot more code needs to be written to support holdings */
9700 /* [HGM] OK, so I have written it. Holdings are stored in the */
9701 /* penultimate board files, so they are automaticlly stored */
9702 /* in the game history. */
9703 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9704 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9705 /* Delete from holdings, by decreasing count */
9706 /* and erasing image if necessary */
9707 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9708 if(p < (int) BlackPawn) { /* white drop */
9709 p -= (int)WhitePawn;
9710 p = PieceToNumber((ChessSquare)p);
9711 if(p >= gameInfo.holdingsSize) p = 0;
9712 if(--board[p][BOARD_WIDTH-2] <= 0)
9713 board[p][BOARD_WIDTH-1] = EmptySquare;
9714 if((int)board[p][BOARD_WIDTH-2] < 0)
9715 board[p][BOARD_WIDTH-2] = 0;
9716 } else { /* black drop */
9717 p -= (int)BlackPawn;
9718 p = PieceToNumber((ChessSquare)p);
9719 if(p >= gameInfo.holdingsSize) p = 0;
9720 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9721 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9722 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9723 board[BOARD_HEIGHT-1-p][1] = 0;
9726 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9727 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9728 /* [HGM] holdings: Add to holdings, if holdings exist */
9729 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9730 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9731 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9734 if (p >= (int) BlackPawn) {
9735 p -= (int)BlackPawn;
9736 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9737 /* in Shogi restore piece to its original first */
9738 captured = (ChessSquare) (DEMOTED captured);
9741 p = PieceToNumber((ChessSquare)p);
9742 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9743 board[p][BOARD_WIDTH-2]++;
9744 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9746 p -= (int)WhitePawn;
9747 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9748 captured = (ChessSquare) (DEMOTED captured);
9751 p = PieceToNumber((ChessSquare)p);
9752 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9753 board[BOARD_HEIGHT-1-p][1]++;
9754 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9757 } else if (gameInfo.variant == VariantAtomic) {
9758 if (captured != EmptySquare) {
9760 for (y = toY-1; y <= toY+1; y++) {
9761 for (x = toX-1; x <= toX+1; x++) {
9762 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9763 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9764 board[y][x] = EmptySquare;
9768 board[toY][toX] = EmptySquare;
9771 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9772 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9774 if(promoChar == '+') {
9775 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9776 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9777 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9778 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9779 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9780 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9781 board[toY][toX] = newPiece;
9783 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9784 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9785 // [HGM] superchess: take promotion piece out of holdings
9786 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9787 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9788 if(!--board[k][BOARD_WIDTH-2])
9789 board[k][BOARD_WIDTH-1] = EmptySquare;
9791 if(!--board[BOARD_HEIGHT-1-k][1])
9792 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9798 /* Updates forwardMostMove */
9800 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9802 // forwardMostMove++; // [HGM] bare: moved downstream
9804 (void) CoordsToAlgebraic(boards[forwardMostMove],
9805 PosFlags(forwardMostMove),
9806 fromY, fromX, toY, toX, promoChar,
9807 parseList[forwardMostMove]);
9809 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9810 int timeLeft; static int lastLoadFlag=0; int king, piece;
9811 piece = boards[forwardMostMove][fromY][fromX];
9812 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9813 if(gameInfo.variant == VariantKnightmate)
9814 king += (int) WhiteUnicorn - (int) WhiteKing;
9815 if(forwardMostMove == 0) {
9816 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9817 fprintf(serverMoves, "%s;", UserName());
9818 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9819 fprintf(serverMoves, "%s;", second.tidy);
9820 fprintf(serverMoves, "%s;", first.tidy);
9821 if(gameMode == MachinePlaysWhite)
9822 fprintf(serverMoves, "%s;", UserName());
9823 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9824 fprintf(serverMoves, "%s;", second.tidy);
9825 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9826 lastLoadFlag = loadFlag;
9828 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9829 // print castling suffix
9830 if( toY == fromY && piece == king ) {
9832 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9834 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9837 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9838 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9839 boards[forwardMostMove][toY][toX] == EmptySquare
9840 && fromX != toX && fromY != toY)
9841 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9843 if(promoChar != NULLCHAR) {
9844 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9845 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9846 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9847 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9850 char buf[MOVE_LEN*2], *p; int len;
9851 fprintf(serverMoves, "/%d/%d",
9852 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9853 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9854 else timeLeft = blackTimeRemaining/1000;
9855 fprintf(serverMoves, "/%d", timeLeft);
9856 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9857 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9858 if(p = strchr(buf, '=')) *p = NULLCHAR;
9859 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9860 fprintf(serverMoves, "/%s", buf);
9862 fflush(serverMoves);
9865 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9866 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9869 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9870 if (commentList[forwardMostMove+1] != NULL) {
9871 free(commentList[forwardMostMove+1]);
9872 commentList[forwardMostMove+1] = NULL;
9874 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9875 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9876 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9877 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9878 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9879 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9880 adjustedClock = FALSE;
9881 gameInfo.result = GameUnfinished;
9882 if (gameInfo.resultDetails != NULL) {
9883 free(gameInfo.resultDetails);
9884 gameInfo.resultDetails = NULL;
9886 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9887 moveList[forwardMostMove - 1]);
9888 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9894 if(gameInfo.variant != VariantShogi)
9895 strcat(parseList[forwardMostMove - 1], "+");
9899 strcat(parseList[forwardMostMove - 1], "#");
9905 /* Updates currentMove if not pausing */
9907 ShowMove (int fromX, int fromY, int toX, int toY)
9909 int instant = (gameMode == PlayFromGameFile) ?
9910 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9911 if(appData.noGUI) return;
9912 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9914 if (forwardMostMove == currentMove + 1) {
9915 AnimateMove(boards[forwardMostMove - 1],
9916 fromX, fromY, toX, toY);
9919 currentMove = forwardMostMove;
9922 if (instant) return;
9924 DisplayMove(currentMove - 1);
9925 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9926 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9927 SetHighlights(fromX, fromY, toX, toY);
9930 DrawPosition(FALSE, boards[currentMove]);
9931 DisplayBothClocks();
9932 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9936 SendEgtPath (ChessProgramState *cps)
9937 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9938 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9940 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9943 char c, *q = name+1, *r, *s;
9945 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9946 while(*p && *p != ',') *q++ = *p++;
9948 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9949 strcmp(name, ",nalimov:") == 0 ) {
9950 // take nalimov path from the menu-changeable option first, if it is defined
9951 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9952 SendToProgram(buf,cps); // send egtbpath command for nalimov
9954 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9955 (s = StrStr(appData.egtFormats, name)) != NULL) {
9956 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9957 s = r = StrStr(s, ":") + 1; // beginning of path info
9958 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9959 c = *r; *r = 0; // temporarily null-terminate path info
9960 *--q = 0; // strip of trailig ':' from name
9961 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9963 SendToProgram(buf,cps); // send egtbpath command for this format
9965 if(*p == ',') p++; // read away comma to position for next format name
9970 NonStandardBoardSize ()
9972 /* [HGM] Awkward testing. Should really be a table */
9973 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9974 if( gameInfo.variant == VariantXiangqi )
9975 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9976 if( gameInfo.variant == VariantShogi )
9977 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9978 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9979 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9980 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9981 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9982 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9983 if( gameInfo.variant == VariantCourier )
9984 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9985 if( gameInfo.variant == VariantSuper )
9986 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9987 if( gameInfo.variant == VariantGreat )
9988 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9989 if( gameInfo.variant == VariantSChess )
9990 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9991 if( gameInfo.variant == VariantGrand )
9992 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9997 InitChessProgram (ChessProgramState *cps, int setup)
9998 /* setup needed to setup FRC opening position */
10000 char buf[MSG_SIZ], b[MSG_SIZ];
10001 if (appData.noChessProgram) return;
10002 hintRequested = FALSE;
10003 bookRequested = FALSE;
10005 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10006 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10007 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10008 if(cps->memSize) { /* [HGM] memory */
10009 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10010 SendToProgram(buf, cps);
10012 SendEgtPath(cps); /* [HGM] EGT */
10013 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10014 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10015 SendToProgram(buf, cps);
10018 SendToProgram(cps->initString, cps);
10019 if (gameInfo.variant != VariantNormal &&
10020 gameInfo.variant != VariantLoadable
10021 /* [HGM] also send variant if board size non-standard */
10022 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
10024 char *v = VariantName(gameInfo.variant);
10025 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
10026 /* [HGM] in protocol 1 we have to assume all variants valid */
10027 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
10028 DisplayFatalError(buf, 0, 1);
10032 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
10033 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
10034 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
10035 /* [HGM] varsize: try first if this defiant size variant is specifically known */
10036 if(StrStr(cps->variants, b) == NULL) {
10037 // specific sized variant not known, check if general sizing allowed
10038 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
10039 if(StrStr(cps->variants, "boardsize") == NULL) {
10040 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10041 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
10042 DisplayFatalError(buf, 0, 1);
10045 /* [HGM] here we really should compare with the maximum supported board size */
10048 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
10049 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10050 SendToProgram(buf, cps);
10052 currentlyInitializedVariant = gameInfo.variant;
10054 /* [HGM] send opening position in FRC to first engine */
10056 SendToProgram("force\n", cps);
10058 /* engine is now in force mode! Set flag to wake it up after first move. */
10059 setboardSpoiledMachineBlack = 1;
10062 if (cps->sendICS) {
10063 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10064 SendToProgram(buf, cps);
10066 cps->maybeThinking = FALSE;
10067 cps->offeredDraw = 0;
10068 if (!appData.icsActive) {
10069 SendTimeControl(cps, movesPerSession, timeControl,
10070 timeIncrement, appData.searchDepth,
10073 if (appData.showThinking
10074 // [HGM] thinking: four options require thinking output to be sent
10075 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10077 SendToProgram("post\n", cps);
10079 SendToProgram("hard\n", cps);
10080 if (!appData.ponderNextMove) {
10081 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10082 it without being sure what state we are in first. "hard"
10083 is not a toggle, so that one is OK.
10085 SendToProgram("easy\n", cps);
10087 if (cps->usePing) {
10088 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10089 SendToProgram(buf, cps);
10091 cps->initDone = TRUE;
10092 ClearEngineOutputPane(cps == &second);
10097 ResendOptions (ChessProgramState *cps)
10098 { // send the stored value of the options
10101 Option *opt = cps->option;
10102 for(i=0; i<cps->nrOptions; i++, opt++) {
10103 switch(opt->type) {
10107 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10110 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10113 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10119 SendToProgram(buf, cps);
10124 StartChessProgram (ChessProgramState *cps)
10129 if (appData.noChessProgram) return;
10130 cps->initDone = FALSE;
10132 if (strcmp(cps->host, "localhost") == 0) {
10133 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10134 } else if (*appData.remoteShell == NULLCHAR) {
10135 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10137 if (*appData.remoteUser == NULLCHAR) {
10138 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10141 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10142 cps->host, appData.remoteUser, cps->program);
10144 err = StartChildProcess(buf, "", &cps->pr);
10148 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10149 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10150 if(cps != &first) return;
10151 appData.noChessProgram = TRUE;
10154 // DisplayFatalError(buf, err, 1);
10155 // cps->pr = NoProc;
10156 // cps->isr = NULL;
10160 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10161 if (cps->protocolVersion > 1) {
10162 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10163 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10164 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10165 cps->comboCnt = 0; // and values of combo boxes
10167 SendToProgram(buf, cps);
10168 if(cps->reload) ResendOptions(cps);
10170 SendToProgram("xboard\n", cps);
10175 TwoMachinesEventIfReady P((void))
10177 static int curMess = 0;
10178 if (first.lastPing != first.lastPong) {
10179 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10180 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10183 if (second.lastPing != second.lastPong) {
10184 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10185 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10188 DisplayMessage("", ""); curMess = 0;
10189 TwoMachinesEvent();
10193 MakeName (char *template)
10197 static char buf[MSG_SIZ];
10201 clock = time((time_t *)NULL);
10202 tm = localtime(&clock);
10204 while(*p++ = *template++) if(p[-1] == '%') {
10205 switch(*template++) {
10206 case 0: *p = 0; return buf;
10207 case 'Y': i = tm->tm_year+1900; break;
10208 case 'y': i = tm->tm_year-100; break;
10209 case 'M': i = tm->tm_mon+1; break;
10210 case 'd': i = tm->tm_mday; break;
10211 case 'h': i = tm->tm_hour; break;
10212 case 'm': i = tm->tm_min; break;
10213 case 's': i = tm->tm_sec; break;
10216 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10222 CountPlayers (char *p)
10225 while(p = strchr(p, '\n')) p++, n++; // count participants
10230 WriteTourneyFile (char *results, FILE *f)
10231 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10232 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10233 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10234 // create a file with tournament description
10235 fprintf(f, "-participants {%s}\n", appData.participants);
10236 fprintf(f, "-seedBase %d\n", appData.seedBase);
10237 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10238 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10239 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10240 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10241 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10242 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10243 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10244 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10245 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10246 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10247 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10248 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10249 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10250 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10251 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10252 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10253 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10254 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10255 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10256 fprintf(f, "-smpCores %d\n", appData.smpCores);
10258 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10260 fprintf(f, "-mps %d\n", appData.movesPerSession);
10261 fprintf(f, "-tc %s\n", appData.timeControl);
10262 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10264 fprintf(f, "-results \"%s\"\n", results);
10269 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10272 Substitute (char *participants, int expunge)
10274 int i, changed, changes=0, nPlayers=0;
10275 char *p, *q, *r, buf[MSG_SIZ];
10276 if(participants == NULL) return;
10277 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10278 r = p = participants; q = appData.participants;
10279 while(*p && *p == *q) {
10280 if(*p == '\n') r = p+1, nPlayers++;
10283 if(*p) { // difference
10284 while(*p && *p++ != '\n');
10285 while(*q && *q++ != '\n');
10286 changed = nPlayers;
10287 changes = 1 + (strcmp(p, q) != 0);
10289 if(changes == 1) { // a single engine mnemonic was changed
10290 q = r; while(*q) nPlayers += (*q++ == '\n');
10291 p = buf; while(*r && (*p = *r++) != '\n') p++;
10293 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10294 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10295 if(mnemonic[i]) { // The substitute is valid
10297 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10298 flock(fileno(f), LOCK_EX);
10299 ParseArgsFromFile(f);
10300 fseek(f, 0, SEEK_SET);
10301 FREE(appData.participants); appData.participants = participants;
10302 if(expunge) { // erase results of replaced engine
10303 int len = strlen(appData.results), w, b, dummy;
10304 for(i=0; i<len; i++) {
10305 Pairing(i, nPlayers, &w, &b, &dummy);
10306 if((w == changed || b == changed) && appData.results[i] == '*') {
10307 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10312 for(i=0; i<len; i++) {
10313 Pairing(i, nPlayers, &w, &b, &dummy);
10314 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10317 WriteTourneyFile(appData.results, f);
10318 fclose(f); // release lock
10321 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10323 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10324 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10325 free(participants);
10330 CheckPlayers (char *participants)
10333 char buf[MSG_SIZ], *p;
10334 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10335 while(p = strchr(participants, '\n')) {
10337 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10339 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10341 DisplayError(buf, 0);
10345 participants = p + 1;
10351 CreateTourney (char *name)
10354 if(matchMode && strcmp(name, appData.tourneyFile)) {
10355 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10357 if(name[0] == NULLCHAR) {
10358 if(appData.participants[0])
10359 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10362 f = fopen(name, "r");
10363 if(f) { // file exists
10364 ASSIGN(appData.tourneyFile, name);
10365 ParseArgsFromFile(f); // parse it
10367 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10368 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10369 DisplayError(_("Not enough participants"), 0);
10372 if(CheckPlayers(appData.participants)) return 0;
10373 ASSIGN(appData.tourneyFile, name);
10374 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10375 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10378 appData.noChessProgram = FALSE;
10379 appData.clockMode = TRUE;
10385 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10387 char buf[MSG_SIZ], *p, *q;
10388 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10389 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10390 skip = !all && group[0]; // if group requested, we start in skip mode
10391 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10392 p = names; q = buf; header = 0;
10393 while(*p && *p != '\n') *q++ = *p++;
10395 if(*p == '\n') p++;
10396 if(buf[0] == '#') {
10397 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10398 depth++; // we must be entering a new group
10399 if(all) continue; // suppress printing group headers when complete list requested
10401 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10403 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10404 if(engineList[i]) free(engineList[i]);
10405 engineList[i] = strdup(buf);
10406 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10407 if(engineMnemonic[i]) free(engineMnemonic[i]);
10408 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10410 sscanf(q + 8, "%s", buf + strlen(buf));
10413 engineMnemonic[i] = strdup(buf);
10416 engineList[i] = engineMnemonic[i] = NULL;
10420 // following implemented as macro to avoid type limitations
10421 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10424 SwapEngines (int n)
10425 { // swap settings for first engine and other engine (so far only some selected options)
10430 SWAP(chessProgram, p)
10432 SWAP(hasOwnBookUCI, h)
10433 SWAP(protocolVersion, h)
10435 SWAP(scoreIsAbsolute, h)
10440 SWAP(engOptions, p)
10441 SWAP(engInitString, p)
10442 SWAP(computerString, p)
10444 SWAP(fenOverride, p)
10446 SWAP(accumulateTC, h)
10451 GetEngineLine (char *s, int n)
10455 extern char *icsNames;
10456 if(!s || !*s) return 0;
10457 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10458 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10459 if(!mnemonic[i]) return 0;
10460 if(n == 11) return 1; // just testing if there was a match
10461 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10462 if(n == 1) SwapEngines(n);
10463 ParseArgsFromString(buf);
10464 if(n == 1) SwapEngines(n);
10465 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10466 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10467 ParseArgsFromString(buf);
10473 SetPlayer (int player, char *p)
10474 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10476 char buf[MSG_SIZ], *engineName;
10477 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10478 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10479 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10481 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10482 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10483 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10484 ParseArgsFromString(buf);
10485 } else { // no engine with this nickname is installed!
10486 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10487 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10488 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10490 DisplayError(buf, 0);
10497 char *recentEngines;
10500 RecentEngineEvent (int nr)
10503 // SwapEngines(1); // bump first to second
10504 // ReplaceEngine(&second, 1); // and load it there
10505 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10506 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10507 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10508 ReplaceEngine(&first, 0);
10509 FloatToFront(&appData.recentEngineList, command[n]);
10514 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10515 { // determine players from game number
10516 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10518 if(appData.tourneyType == 0) {
10519 roundsPerCycle = (nPlayers - 1) | 1;
10520 pairingsPerRound = nPlayers / 2;
10521 } else if(appData.tourneyType > 0) {
10522 roundsPerCycle = nPlayers - appData.tourneyType;
10523 pairingsPerRound = appData.tourneyType;
10525 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10526 gamesPerCycle = gamesPerRound * roundsPerCycle;
10527 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10528 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10529 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10530 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10531 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10532 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10534 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10535 if(appData.roundSync) *syncInterval = gamesPerRound;
10537 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10539 if(appData.tourneyType == 0) {
10540 if(curPairing == (nPlayers-1)/2 ) {
10541 *whitePlayer = curRound;
10542 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10544 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10545 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10546 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10547 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10549 } else if(appData.tourneyType > 1) {
10550 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10551 *whitePlayer = curRound + appData.tourneyType;
10552 } else if(appData.tourneyType > 0) {
10553 *whitePlayer = curPairing;
10554 *blackPlayer = curRound + appData.tourneyType;
10557 // take care of white/black alternation per round.
10558 // For cycles and games this is already taken care of by default, derived from matchGame!
10559 return curRound & 1;
10563 NextTourneyGame (int nr, int *swapColors)
10564 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10566 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10568 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10569 tf = fopen(appData.tourneyFile, "r");
10570 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10571 ParseArgsFromFile(tf); fclose(tf);
10572 InitTimeControls(); // TC might be altered from tourney file
10574 nPlayers = CountPlayers(appData.participants); // count participants
10575 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10576 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10579 p = q = appData.results;
10580 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10581 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10582 DisplayMessage(_("Waiting for other game(s)"),"");
10583 waitingForGame = TRUE;
10584 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10587 waitingForGame = FALSE;
10590 if(appData.tourneyType < 0) {
10591 if(nr>=0 && !pairingReceived) {
10593 if(pairing.pr == NoProc) {
10594 if(!appData.pairingEngine[0]) {
10595 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10598 StartChessProgram(&pairing); // starts the pairing engine
10600 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10601 SendToProgram(buf, &pairing);
10602 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10603 SendToProgram(buf, &pairing);
10604 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10606 pairingReceived = 0; // ... so we continue here
10608 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10609 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10610 matchGame = 1; roundNr = nr / syncInterval + 1;
10613 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10615 // redefine engines, engine dir, etc.
10616 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10617 if(first.pr == NoProc) {
10618 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10619 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10621 if(second.pr == NoProc) {
10623 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10624 SwapEngines(1); // and make that valid for second engine by swapping
10625 InitEngine(&second, 1);
10627 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10628 UpdateLogos(FALSE); // leave display to ModeHiglight()
10634 { // performs game initialization that does not invoke engines, and then tries to start the game
10635 int res, firstWhite, swapColors = 0;
10636 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10637 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
10639 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10640 if(strcmp(buf, currentDebugFile)) { // name has changed
10641 FILE *f = fopen(buf, "w");
10642 if(f) { // if opening the new file failed, just keep using the old one
10643 ASSIGN(currentDebugFile, buf);
10647 if(appData.serverFileName) {
10648 if(serverFP) fclose(serverFP);
10649 serverFP = fopen(appData.serverFileName, "w");
10650 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10651 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10655 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10656 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10657 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10658 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10659 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10660 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10661 Reset(FALSE, first.pr != NoProc);
10662 res = LoadGameOrPosition(matchGame); // setup game
10663 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10664 if(!res) return; // abort when bad game/pos file
10665 TwoMachinesEvent();
10669 UserAdjudicationEvent (int result)
10671 ChessMove gameResult = GameIsDrawn;
10674 gameResult = WhiteWins;
10676 else if( result < 0 ) {
10677 gameResult = BlackWins;
10680 if( gameMode == TwoMachinesPlay ) {
10681 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10686 // [HGM] save: calculate checksum of game to make games easily identifiable
10688 StringCheckSum (char *s)
10691 if(s==NULL) return 0;
10692 while(*s) i = i*259 + *s++;
10700 for(i=backwardMostMove; i<forwardMostMove; i++) {
10701 sum += pvInfoList[i].depth;
10702 sum += StringCheckSum(parseList[i]);
10703 sum += StringCheckSum(commentList[i]);
10706 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10707 return sum + StringCheckSum(commentList[i]);
10708 } // end of save patch
10711 GameEnds (ChessMove result, char *resultDetails, int whosays)
10713 GameMode nextGameMode;
10715 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10717 if(endingGame) return; /* [HGM] crash: forbid recursion */
10719 if(twoBoards) { // [HGM] dual: switch back to one board
10720 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10721 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10723 if (appData.debugMode) {
10724 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10725 result, resultDetails ? resultDetails : "(null)", whosays);
10728 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10730 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10732 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10733 /* If we are playing on ICS, the server decides when the
10734 game is over, but the engine can offer to draw, claim
10738 if (appData.zippyPlay && first.initDone) {
10739 if (result == GameIsDrawn) {
10740 /* In case draw still needs to be claimed */
10741 SendToICS(ics_prefix);
10742 SendToICS("draw\n");
10743 } else if (StrCaseStr(resultDetails, "resign")) {
10744 SendToICS(ics_prefix);
10745 SendToICS("resign\n");
10749 endingGame = 0; /* [HGM] crash */
10753 /* If we're loading the game from a file, stop */
10754 if (whosays == GE_FILE) {
10755 (void) StopLoadGameTimer();
10759 /* Cancel draw offers */
10760 first.offeredDraw = second.offeredDraw = 0;
10762 /* If this is an ICS game, only ICS can really say it's done;
10763 if not, anyone can. */
10764 isIcsGame = (gameMode == IcsPlayingWhite ||
10765 gameMode == IcsPlayingBlack ||
10766 gameMode == IcsObserving ||
10767 gameMode == IcsExamining);
10769 if (!isIcsGame || whosays == GE_ICS) {
10770 /* OK -- not an ICS game, or ICS said it was done */
10772 if (!isIcsGame && !appData.noChessProgram)
10773 SetUserThinkingEnables();
10775 /* [HGM] if a machine claims the game end we verify this claim */
10776 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10777 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10779 ChessMove trueResult = (ChessMove) -1;
10781 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10782 first.twoMachinesColor[0] :
10783 second.twoMachinesColor[0] ;
10785 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10786 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10787 /* [HGM] verify: engine mate claims accepted if they were flagged */
10788 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10790 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10791 /* [HGM] verify: engine mate claims accepted if they were flagged */
10792 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10794 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10795 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10798 // now verify win claims, but not in drop games, as we don't understand those yet
10799 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10800 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10801 (result == WhiteWins && claimer == 'w' ||
10802 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10803 if (appData.debugMode) {
10804 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10805 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10807 if(result != trueResult) {
10808 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10809 result = claimer == 'w' ? BlackWins : WhiteWins;
10810 resultDetails = buf;
10813 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10814 && (forwardMostMove <= backwardMostMove ||
10815 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10816 (claimer=='b')==(forwardMostMove&1))
10818 /* [HGM] verify: draws that were not flagged are false claims */
10819 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10820 result = claimer == 'w' ? BlackWins : WhiteWins;
10821 resultDetails = buf;
10823 /* (Claiming a loss is accepted no questions asked!) */
10824 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10825 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10826 result = GameUnfinished;
10827 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10829 /* [HGM] bare: don't allow bare King to win */
10830 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10831 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10832 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10833 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10834 && result != GameIsDrawn)
10835 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10836 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10837 int p = (signed char)boards[forwardMostMove][i][j] - color;
10838 if(p >= 0 && p <= (int)WhiteKing) k++;
10840 if (appData.debugMode) {
10841 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10842 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10845 result = GameIsDrawn;
10846 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10847 resultDetails = buf;
10853 if(serverMoves != NULL && !loadFlag) { char c = '=';
10854 if(result==WhiteWins) c = '+';
10855 if(result==BlackWins) c = '-';
10856 if(resultDetails != NULL)
10857 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10859 if (resultDetails != NULL) {
10860 gameInfo.result = result;
10861 gameInfo.resultDetails = StrSave(resultDetails);
10863 /* display last move only if game was not loaded from file */
10864 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10865 DisplayMove(currentMove - 1);
10867 if (forwardMostMove != 0) {
10868 if (gameMode != PlayFromGameFile && gameMode != EditGame
10869 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10871 if (*appData.saveGameFile != NULLCHAR) {
10872 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10873 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10875 SaveGameToFile(appData.saveGameFile, TRUE);
10876 } else if (appData.autoSaveGames) {
10877 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10879 if (*appData.savePositionFile != NULLCHAR) {
10880 SavePositionToFile(appData.savePositionFile);
10882 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10886 /* Tell program how game ended in case it is learning */
10887 /* [HGM] Moved this to after saving the PGN, just in case */
10888 /* engine died and we got here through time loss. In that */
10889 /* case we will get a fatal error writing the pipe, which */
10890 /* would otherwise lose us the PGN. */
10891 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10892 /* output during GameEnds should never be fatal anymore */
10893 if (gameMode == MachinePlaysWhite ||
10894 gameMode == MachinePlaysBlack ||
10895 gameMode == TwoMachinesPlay ||
10896 gameMode == IcsPlayingWhite ||
10897 gameMode == IcsPlayingBlack ||
10898 gameMode == BeginningOfGame) {
10900 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10902 if (first.pr != NoProc) {
10903 SendToProgram(buf, &first);
10905 if (second.pr != NoProc &&
10906 gameMode == TwoMachinesPlay) {
10907 SendToProgram(buf, &second);
10912 if (appData.icsActive) {
10913 if (appData.quietPlay &&
10914 (gameMode == IcsPlayingWhite ||
10915 gameMode == IcsPlayingBlack)) {
10916 SendToICS(ics_prefix);
10917 SendToICS("set shout 1\n");
10919 nextGameMode = IcsIdle;
10920 ics_user_moved = FALSE;
10921 /* clean up premove. It's ugly when the game has ended and the
10922 * premove highlights are still on the board.
10925 gotPremove = FALSE;
10926 ClearPremoveHighlights();
10927 DrawPosition(FALSE, boards[currentMove]);
10929 if (whosays == GE_ICS) {
10932 if (gameMode == IcsPlayingWhite)
10934 else if(gameMode == IcsPlayingBlack)
10935 PlayIcsLossSound();
10938 if (gameMode == IcsPlayingBlack)
10940 else if(gameMode == IcsPlayingWhite)
10941 PlayIcsLossSound();
10944 PlayIcsDrawSound();
10947 PlayIcsUnfinishedSound();
10950 if(appData.quitNext) { ExitEvent(0); return; }
10951 } else if (gameMode == EditGame ||
10952 gameMode == PlayFromGameFile ||
10953 gameMode == AnalyzeMode ||
10954 gameMode == AnalyzeFile) {
10955 nextGameMode = gameMode;
10957 nextGameMode = EndOfGame;
10962 nextGameMode = gameMode;
10965 if (appData.noChessProgram) {
10966 gameMode = nextGameMode;
10968 endingGame = 0; /* [HGM] crash */
10973 /* Put first chess program into idle state */
10974 if (first.pr != NoProc &&
10975 (gameMode == MachinePlaysWhite ||
10976 gameMode == MachinePlaysBlack ||
10977 gameMode == TwoMachinesPlay ||
10978 gameMode == IcsPlayingWhite ||
10979 gameMode == IcsPlayingBlack ||
10980 gameMode == BeginningOfGame)) {
10981 SendToProgram("force\n", &first);
10982 if (first.usePing) {
10984 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10985 SendToProgram(buf, &first);
10988 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10989 /* Kill off first chess program */
10990 if (first.isr != NULL)
10991 RemoveInputSource(first.isr);
10994 if (first.pr != NoProc) {
10996 DoSleep( appData.delayBeforeQuit );
10997 SendToProgram("quit\n", &first);
10998 DoSleep( appData.delayAfterQuit );
10999 DestroyChildProcess(first.pr, first.useSigterm);
11000 first.reload = TRUE;
11004 if (second.reuse) {
11005 /* Put second chess program into idle state */
11006 if (second.pr != NoProc &&
11007 gameMode == TwoMachinesPlay) {
11008 SendToProgram("force\n", &second);
11009 if (second.usePing) {
11011 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11012 SendToProgram(buf, &second);
11015 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11016 /* Kill off second chess program */
11017 if (second.isr != NULL)
11018 RemoveInputSource(second.isr);
11021 if (second.pr != NoProc) {
11022 DoSleep( appData.delayBeforeQuit );
11023 SendToProgram("quit\n", &second);
11024 DoSleep( appData.delayAfterQuit );
11025 DestroyChildProcess(second.pr, second.useSigterm);
11026 second.reload = TRUE;
11028 second.pr = NoProc;
11031 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11032 char resChar = '=';
11036 if (first.twoMachinesColor[0] == 'w') {
11039 second.matchWins++;
11044 if (first.twoMachinesColor[0] == 'b') {
11047 second.matchWins++;
11050 case GameUnfinished:
11056 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11057 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11058 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11059 ReserveGame(nextGame, resChar); // sets nextGame
11060 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11061 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11062 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11064 if (nextGame <= appData.matchGames && !abortMatch) {
11065 gameMode = nextGameMode;
11066 matchGame = nextGame; // this will be overruled in tourney mode!
11067 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11068 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11069 endingGame = 0; /* [HGM] crash */
11072 gameMode = nextGameMode;
11073 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11074 first.tidy, second.tidy,
11075 first.matchWins, second.matchWins,
11076 appData.matchGames - (first.matchWins + second.matchWins));
11077 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11078 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11079 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11080 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11081 first.twoMachinesColor = "black\n";
11082 second.twoMachinesColor = "white\n";
11084 first.twoMachinesColor = "white\n";
11085 second.twoMachinesColor = "black\n";
11089 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11090 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11092 gameMode = nextGameMode;
11094 endingGame = 0; /* [HGM] crash */
11095 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11096 if(matchMode == TRUE) { // match through command line: exit with or without popup
11098 ToNrEvent(forwardMostMove);
11099 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11101 } else DisplayFatalError(buf, 0, 0);
11102 } else { // match through menu; just stop, with or without popup
11103 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11106 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11107 } else DisplayNote(buf);
11109 if(ranking) free(ranking);
11113 /* Assumes program was just initialized (initString sent).
11114 Leaves program in force mode. */
11116 FeedMovesToProgram (ChessProgramState *cps, int upto)
11120 if (appData.debugMode)
11121 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11122 startedFromSetupPosition ? "position and " : "",
11123 backwardMostMove, upto, cps->which);
11124 if(currentlyInitializedVariant != gameInfo.variant) {
11126 // [HGM] variantswitch: make engine aware of new variant
11127 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11128 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11129 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11130 SendToProgram(buf, cps);
11131 currentlyInitializedVariant = gameInfo.variant;
11133 SendToProgram("force\n", cps);
11134 if (startedFromSetupPosition) {
11135 SendBoard(cps, backwardMostMove);
11136 if (appData.debugMode) {
11137 fprintf(debugFP, "feedMoves\n");
11140 for (i = backwardMostMove; i < upto; i++) {
11141 SendMoveToProgram(i, cps);
11147 ResurrectChessProgram ()
11149 /* The chess program may have exited.
11150 If so, restart it and feed it all the moves made so far. */
11151 static int doInit = 0;
11153 if (appData.noChessProgram) return 1;
11155 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11156 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11157 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11158 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11160 if (first.pr != NoProc) return 1;
11161 StartChessProgram(&first);
11163 InitChessProgram(&first, FALSE);
11164 FeedMovesToProgram(&first, currentMove);
11166 if (!first.sendTime) {
11167 /* can't tell gnuchess what its clock should read,
11168 so we bow to its notion. */
11170 timeRemaining[0][currentMove] = whiteTimeRemaining;
11171 timeRemaining[1][currentMove] = blackTimeRemaining;
11174 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11175 appData.icsEngineAnalyze) && first.analysisSupport) {
11176 SendToProgram("analyze\n", &first);
11177 first.analyzing = TRUE;
11183 * Button procedures
11186 Reset (int redraw, int init)
11190 if (appData.debugMode) {
11191 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11192 redraw, init, gameMode);
11194 CleanupTail(); // [HGM] vari: delete any stored variations
11195 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11196 pausing = pauseExamInvalid = FALSE;
11197 startedFromSetupPosition = blackPlaysFirst = FALSE;
11199 whiteFlag = blackFlag = FALSE;
11200 userOfferedDraw = FALSE;
11201 hintRequested = bookRequested = FALSE;
11202 first.maybeThinking = FALSE;
11203 second.maybeThinking = FALSE;
11204 first.bookSuspend = FALSE; // [HGM] book
11205 second.bookSuspend = FALSE;
11206 thinkOutput[0] = NULLCHAR;
11207 lastHint[0] = NULLCHAR;
11208 ClearGameInfo(&gameInfo);
11209 gameInfo.variant = StringToVariant(appData.variant);
11210 ics_user_moved = ics_clock_paused = FALSE;
11211 ics_getting_history = H_FALSE;
11213 white_holding[0] = black_holding[0] = NULLCHAR;
11214 ClearProgramStats();
11215 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11219 flipView = appData.flipView;
11220 ClearPremoveHighlights();
11221 gotPremove = FALSE;
11222 alarmSounded = FALSE;
11224 GameEnds(EndOfFile, NULL, GE_PLAYER);
11225 if(appData.serverMovesName != NULL) {
11226 /* [HGM] prepare to make moves file for broadcasting */
11227 clock_t t = clock();
11228 if(serverMoves != NULL) fclose(serverMoves);
11229 serverMoves = fopen(appData.serverMovesName, "r");
11230 if(serverMoves != NULL) {
11231 fclose(serverMoves);
11232 /* delay 15 sec before overwriting, so all clients can see end */
11233 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11235 serverMoves = fopen(appData.serverMovesName, "w");
11239 gameMode = BeginningOfGame;
11241 if(appData.icsActive) gameInfo.variant = VariantNormal;
11242 currentMove = forwardMostMove = backwardMostMove = 0;
11243 MarkTargetSquares(1);
11244 InitPosition(redraw);
11245 for (i = 0; i < MAX_MOVES; i++) {
11246 if (commentList[i] != NULL) {
11247 free(commentList[i]);
11248 commentList[i] = NULL;
11252 timeRemaining[0][0] = whiteTimeRemaining;
11253 timeRemaining[1][0] = blackTimeRemaining;
11255 if (first.pr == NoProc) {
11256 StartChessProgram(&first);
11259 InitChessProgram(&first, startedFromSetupPosition);
11262 DisplayMessage("", "");
11263 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11264 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11265 ClearMap(); // [HGM] exclude: invalidate map
11269 AutoPlayGameLoop ()
11272 if (!AutoPlayOneMove())
11274 if (matchMode || appData.timeDelay == 0)
11276 if (appData.timeDelay < 0)
11278 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11286 ReloadGame(1); // next game
11292 int fromX, fromY, toX, toY;
11294 if (appData.debugMode) {
11295 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11298 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11301 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11302 pvInfoList[currentMove].depth = programStats.depth;
11303 pvInfoList[currentMove].score = programStats.score;
11304 pvInfoList[currentMove].time = 0;
11305 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11306 else { // append analysis of final position as comment
11308 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11309 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11311 programStats.depth = 0;
11314 if (currentMove >= forwardMostMove) {
11315 if(gameMode == AnalyzeFile) {
11316 if(appData.loadGameIndex == -1) {
11317 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11318 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11320 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11323 // gameMode = EndOfGame;
11324 // ModeHighlight();
11326 /* [AS] Clear current move marker at the end of a game */
11327 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11332 toX = moveList[currentMove][2] - AAA;
11333 toY = moveList[currentMove][3] - ONE;
11335 if (moveList[currentMove][1] == '@') {
11336 if (appData.highlightLastMove) {
11337 SetHighlights(-1, -1, toX, toY);
11340 fromX = moveList[currentMove][0] - AAA;
11341 fromY = moveList[currentMove][1] - ONE;
11343 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11345 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11347 if (appData.highlightLastMove) {
11348 SetHighlights(fromX, fromY, toX, toY);
11351 DisplayMove(currentMove);
11352 SendMoveToProgram(currentMove++, &first);
11353 DisplayBothClocks();
11354 DrawPosition(FALSE, boards[currentMove]);
11355 // [HGM] PV info: always display, routine tests if empty
11356 DisplayComment(currentMove - 1, commentList[currentMove]);
11362 LoadGameOneMove (ChessMove readAhead)
11364 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11365 char promoChar = NULLCHAR;
11366 ChessMove moveType;
11367 char move[MSG_SIZ];
11370 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11371 gameMode != AnalyzeMode && gameMode != Training) {
11376 yyboardindex = forwardMostMove;
11377 if (readAhead != EndOfFile) {
11378 moveType = readAhead;
11380 if (gameFileFP == NULL)
11382 moveType = (ChessMove) Myylex();
11386 switch (moveType) {
11388 if (appData.debugMode)
11389 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11392 /* append the comment but don't display it */
11393 AppendComment(currentMove, p, FALSE);
11396 case WhiteCapturesEnPassant:
11397 case BlackCapturesEnPassant:
11398 case WhitePromotion:
11399 case BlackPromotion:
11400 case WhiteNonPromotion:
11401 case BlackNonPromotion:
11403 case WhiteKingSideCastle:
11404 case WhiteQueenSideCastle:
11405 case BlackKingSideCastle:
11406 case BlackQueenSideCastle:
11407 case WhiteKingSideCastleWild:
11408 case WhiteQueenSideCastleWild:
11409 case BlackKingSideCastleWild:
11410 case BlackQueenSideCastleWild:
11412 case WhiteHSideCastleFR:
11413 case WhiteASideCastleFR:
11414 case BlackHSideCastleFR:
11415 case BlackASideCastleFR:
11417 if (appData.debugMode)
11418 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11419 fromX = currentMoveString[0] - AAA;
11420 fromY = currentMoveString[1] - ONE;
11421 toX = currentMoveString[2] - AAA;
11422 toY = currentMoveString[3] - ONE;
11423 promoChar = currentMoveString[4];
11428 if (appData.debugMode)
11429 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11430 fromX = moveType == WhiteDrop ?
11431 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11432 (int) CharToPiece(ToLower(currentMoveString[0]));
11434 toX = currentMoveString[2] - AAA;
11435 toY = currentMoveString[3] - ONE;
11441 case GameUnfinished:
11442 if (appData.debugMode)
11443 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11444 p = strchr(yy_text, '{');
11445 if (p == NULL) p = strchr(yy_text, '(');
11448 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11450 q = strchr(p, *p == '{' ? '}' : ')');
11451 if (q != NULL) *q = NULLCHAR;
11454 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11455 GameEnds(moveType, p, GE_FILE);
11457 if (cmailMsgLoaded) {
11459 flipView = WhiteOnMove(currentMove);
11460 if (moveType == GameUnfinished) flipView = !flipView;
11461 if (appData.debugMode)
11462 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11467 if (appData.debugMode)
11468 fprintf(debugFP, "Parser hit end of file\n");
11469 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11475 if (WhiteOnMove(currentMove)) {
11476 GameEnds(BlackWins, "Black mates", GE_FILE);
11478 GameEnds(WhiteWins, "White mates", GE_FILE);
11482 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11488 case MoveNumberOne:
11489 if (lastLoadGameStart == GNUChessGame) {
11490 /* GNUChessGames have numbers, but they aren't move numbers */
11491 if (appData.debugMode)
11492 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11493 yy_text, (int) moveType);
11494 return LoadGameOneMove(EndOfFile); /* tail recursion */
11496 /* else fall thru */
11501 /* Reached start of next game in file */
11502 if (appData.debugMode)
11503 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11504 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11510 if (WhiteOnMove(currentMove)) {
11511 GameEnds(BlackWins, "Black mates", GE_FILE);
11513 GameEnds(WhiteWins, "White mates", GE_FILE);
11517 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11523 case PositionDiagram: /* should not happen; ignore */
11524 case ElapsedTime: /* ignore */
11525 case NAG: /* ignore */
11526 if (appData.debugMode)
11527 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11528 yy_text, (int) moveType);
11529 return LoadGameOneMove(EndOfFile); /* tail recursion */
11532 if (appData.testLegality) {
11533 if (appData.debugMode)
11534 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11535 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11536 (forwardMostMove / 2) + 1,
11537 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11538 DisplayError(move, 0);
11541 if (appData.debugMode)
11542 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11543 yy_text, currentMoveString);
11544 fromX = currentMoveString[0] - AAA;
11545 fromY = currentMoveString[1] - ONE;
11546 toX = currentMoveString[2] - AAA;
11547 toY = currentMoveString[3] - ONE;
11548 promoChar = currentMoveString[4];
11552 case AmbiguousMove:
11553 if (appData.debugMode)
11554 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11555 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11556 (forwardMostMove / 2) + 1,
11557 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11558 DisplayError(move, 0);
11563 case ImpossibleMove:
11564 if (appData.debugMode)
11565 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11566 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11567 (forwardMostMove / 2) + 1,
11568 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11569 DisplayError(move, 0);
11575 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11576 DrawPosition(FALSE, boards[currentMove]);
11577 DisplayBothClocks();
11578 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11579 DisplayComment(currentMove - 1, commentList[currentMove]);
11581 (void) StopLoadGameTimer();
11583 cmailOldMove = forwardMostMove;
11586 /* currentMoveString is set as a side-effect of yylex */
11588 thinkOutput[0] = NULLCHAR;
11589 MakeMove(fromX, fromY, toX, toY, promoChar);
11590 currentMove = forwardMostMove;
11595 /* Load the nth game from the given file */
11597 LoadGameFromFile (char *filename, int n, char *title, int useList)
11602 if (strcmp(filename, "-") == 0) {
11606 f = fopen(filename, "rb");
11608 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11609 DisplayError(buf, errno);
11613 if (fseek(f, 0, 0) == -1) {
11614 /* f is not seekable; probably a pipe */
11617 if (useList && n == 0) {
11618 int error = GameListBuild(f);
11620 DisplayError(_("Cannot build game list"), error);
11621 } else if (!ListEmpty(&gameList) &&
11622 ((ListGame *) gameList.tailPred)->number > 1) {
11623 GameListPopUp(f, title);
11630 return LoadGame(f, n, title, FALSE);
11635 MakeRegisteredMove ()
11637 int fromX, fromY, toX, toY;
11639 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11640 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11643 if (appData.debugMode)
11644 fprintf(debugFP, "Restoring %s for game %d\n",
11645 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11647 thinkOutput[0] = NULLCHAR;
11648 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11649 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11650 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11651 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11652 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11653 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11654 MakeMove(fromX, fromY, toX, toY, promoChar);
11655 ShowMove(fromX, fromY, toX, toY);
11657 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11664 if (WhiteOnMove(currentMove)) {
11665 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11667 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11672 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11679 if (WhiteOnMove(currentMove)) {
11680 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11682 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11687 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11698 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11700 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11704 if (gameNumber > nCmailGames) {
11705 DisplayError(_("No more games in this message"), 0);
11708 if (f == lastLoadGameFP) {
11709 int offset = gameNumber - lastLoadGameNumber;
11711 cmailMsg[0] = NULLCHAR;
11712 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11713 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11714 nCmailMovesRegistered--;
11716 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11717 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11718 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11721 if (! RegisterMove()) return FALSE;
11725 retVal = LoadGame(f, gameNumber, title, useList);
11727 /* Make move registered during previous look at this game, if any */
11728 MakeRegisteredMove();
11730 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11731 commentList[currentMove]
11732 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11733 DisplayComment(currentMove - 1, commentList[currentMove]);
11739 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11741 ReloadGame (int offset)
11743 int gameNumber = lastLoadGameNumber + offset;
11744 if (lastLoadGameFP == NULL) {
11745 DisplayError(_("No game has been loaded yet"), 0);
11748 if (gameNumber <= 0) {
11749 DisplayError(_("Can't back up any further"), 0);
11752 if (cmailMsgLoaded) {
11753 return CmailLoadGame(lastLoadGameFP, gameNumber,
11754 lastLoadGameTitle, lastLoadGameUseList);
11756 return LoadGame(lastLoadGameFP, gameNumber,
11757 lastLoadGameTitle, lastLoadGameUseList);
11761 int keys[EmptySquare+1];
11764 PositionMatches (Board b1, Board b2)
11767 switch(appData.searchMode) {
11768 case 1: return CompareWithRights(b1, b2);
11770 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11771 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11775 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11776 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11777 sum += keys[b1[r][f]] - keys[b2[r][f]];
11781 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11782 sum += keys[b1[r][f]] - keys[b2[r][f]];
11794 int pieceList[256], quickBoard[256];
11795 ChessSquare pieceType[256] = { EmptySquare };
11796 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11797 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11798 int soughtTotal, turn;
11799 Boolean epOK, flipSearch;
11802 unsigned char piece, to;
11805 #define DSIZE (250000)
11807 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11808 Move *moveDatabase = initialSpace;
11809 unsigned int movePtr, dataSize = DSIZE;
11812 MakePieceList (Board board, int *counts)
11814 int r, f, n=Q_PROMO, total=0;
11815 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11816 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11817 int sq = f + (r<<4);
11818 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11819 quickBoard[sq] = ++n;
11821 pieceType[n] = board[r][f];
11822 counts[board[r][f]]++;
11823 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11824 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11828 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11833 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11835 int sq = fromX + (fromY<<4);
11836 int piece = quickBoard[sq];
11837 quickBoard[sq] = 0;
11838 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11839 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11840 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11841 moveDatabase[movePtr++].piece = Q_WCASTL;
11842 quickBoard[sq] = piece;
11843 piece = quickBoard[from]; quickBoard[from] = 0;
11844 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11846 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11847 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11848 moveDatabase[movePtr++].piece = Q_BCASTL;
11849 quickBoard[sq] = piece;
11850 piece = quickBoard[from]; quickBoard[from] = 0;
11851 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11853 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11854 quickBoard[(fromY<<4)+toX] = 0;
11855 moveDatabase[movePtr].piece = Q_EP;
11856 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11857 moveDatabase[movePtr].to = sq;
11859 if(promoPiece != pieceType[piece]) {
11860 moveDatabase[movePtr++].piece = Q_PROMO;
11861 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11863 moveDatabase[movePtr].piece = piece;
11864 quickBoard[sq] = piece;
11869 PackGame (Board board)
11871 Move *newSpace = NULL;
11872 moveDatabase[movePtr].piece = 0; // terminate previous game
11873 if(movePtr > dataSize) {
11874 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11875 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11876 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11879 Move *p = moveDatabase, *q = newSpace;
11880 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11881 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11882 moveDatabase = newSpace;
11883 } else { // calloc failed, we must be out of memory. Too bad...
11884 dataSize = 0; // prevent calloc events for all subsequent games
11885 return 0; // and signal this one isn't cached
11889 MakePieceList(board, counts);
11894 QuickCompare (Board board, int *minCounts, int *maxCounts)
11895 { // compare according to search mode
11897 switch(appData.searchMode)
11899 case 1: // exact position match
11900 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11901 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11902 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11905 case 2: // can have extra material on empty squares
11906 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11907 if(board[r][f] == EmptySquare) continue;
11908 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11911 case 3: // material with exact Pawn structure
11912 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11913 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11914 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11915 } // fall through to material comparison
11916 case 4: // exact material
11917 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11919 case 6: // material range with given imbalance
11920 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11921 // fall through to range comparison
11922 case 5: // material range
11923 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11929 QuickScan (Board board, Move *move)
11930 { // reconstruct game,and compare all positions in it
11931 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11933 int piece = move->piece;
11934 int to = move->to, from = pieceList[piece];
11935 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11936 if(!piece) return -1;
11937 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11938 piece = (++move)->piece;
11939 from = pieceList[piece];
11940 counts[pieceType[piece]]--;
11941 pieceType[piece] = (ChessSquare) move->to;
11942 counts[move->to]++;
11943 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11944 counts[pieceType[quickBoard[to]]]--;
11945 quickBoard[to] = 0; total--;
11948 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11949 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11950 from = pieceList[piece]; // so this must be King
11951 quickBoard[from] = 0;
11952 pieceList[piece] = to;
11953 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11954 quickBoard[from] = 0; // rook
11955 quickBoard[to] = piece;
11956 to = move->to; piece = move->piece;
11960 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11961 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11962 quickBoard[from] = 0;
11964 quickBoard[to] = piece;
11965 pieceList[piece] = to;
11967 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11968 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11969 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11970 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11972 static int lastCounts[EmptySquare+1];
11974 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11975 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11976 } else stretch = 0;
11977 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11986 flipSearch = FALSE;
11987 CopyBoard(soughtBoard, boards[currentMove]);
11988 soughtTotal = MakePieceList(soughtBoard, maxSought);
11989 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11990 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11991 CopyBoard(reverseBoard, boards[currentMove]);
11992 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11993 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11994 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11995 reverseBoard[r][f] = piece;
11997 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11998 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11999 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12000 || (boards[currentMove][CASTLING][2] == NoRights ||
12001 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12002 && (boards[currentMove][CASTLING][5] == NoRights ||
12003 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12006 CopyBoard(flipBoard, soughtBoard);
12007 CopyBoard(rotateBoard, reverseBoard);
12008 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12009 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12010 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12013 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12014 if(appData.searchMode >= 5) {
12015 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12016 MakePieceList(soughtBoard, minSought);
12017 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12019 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12020 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12023 GameInfo dummyInfo;
12024 static int creatingBook;
12027 GameContainsPosition (FILE *f, ListGame *lg)
12029 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12030 int fromX, fromY, toX, toY;
12032 static int initDone=FALSE;
12034 // weed out games based on numerical tag comparison
12035 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12036 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12037 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12038 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12040 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12043 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
12044 else CopyBoard(boards[scratch], initialPosition); // default start position
12047 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12048 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12051 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12052 fseek(f, lg->offset, 0);
12055 yyboardindex = scratch;
12056 quickFlag = plyNr+1;
12061 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12067 if(plyNr) return -1; // after we have seen moves, this is for new game
12070 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12071 case ImpossibleMove:
12072 case WhiteWins: // game ends here with these four
12075 case GameUnfinished:
12079 if(appData.testLegality) return -1;
12080 case WhiteCapturesEnPassant:
12081 case BlackCapturesEnPassant:
12082 case WhitePromotion:
12083 case BlackPromotion:
12084 case WhiteNonPromotion:
12085 case BlackNonPromotion:
12087 case WhiteKingSideCastle:
12088 case WhiteQueenSideCastle:
12089 case BlackKingSideCastle:
12090 case BlackQueenSideCastle:
12091 case WhiteKingSideCastleWild:
12092 case WhiteQueenSideCastleWild:
12093 case BlackKingSideCastleWild:
12094 case BlackQueenSideCastleWild:
12095 case WhiteHSideCastleFR:
12096 case WhiteASideCastleFR:
12097 case BlackHSideCastleFR:
12098 case BlackASideCastleFR:
12099 fromX = currentMoveString[0] - AAA;
12100 fromY = currentMoveString[1] - ONE;
12101 toX = currentMoveString[2] - AAA;
12102 toY = currentMoveString[3] - ONE;
12103 promoChar = currentMoveString[4];
12107 fromX = next == WhiteDrop ?
12108 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12109 (int) CharToPiece(ToLower(currentMoveString[0]));
12111 toX = currentMoveString[2] - AAA;
12112 toY = currentMoveString[3] - ONE;
12116 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12118 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12119 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12120 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12121 if(appData.findMirror) {
12122 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12123 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12128 /* Load the nth game from open file f */
12130 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12134 int gn = gameNumber;
12135 ListGame *lg = NULL;
12136 int numPGNTags = 0;
12138 GameMode oldGameMode;
12139 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12141 if (appData.debugMode)
12142 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12144 if (gameMode == Training )
12145 SetTrainingModeOff();
12147 oldGameMode = gameMode;
12148 if (gameMode != BeginningOfGame) {
12149 Reset(FALSE, TRUE);
12153 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12154 fclose(lastLoadGameFP);
12158 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12161 fseek(f, lg->offset, 0);
12162 GameListHighlight(gameNumber);
12163 pos = lg->position;
12167 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12168 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12170 DisplayError(_("Game number out of range"), 0);
12175 if (fseek(f, 0, 0) == -1) {
12176 if (f == lastLoadGameFP ?
12177 gameNumber == lastLoadGameNumber + 1 :
12181 DisplayError(_("Can't seek on game file"), 0);
12186 lastLoadGameFP = f;
12187 lastLoadGameNumber = gameNumber;
12188 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12189 lastLoadGameUseList = useList;
12193 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12194 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12195 lg->gameInfo.black);
12197 } else if (*title != NULLCHAR) {
12198 if (gameNumber > 1) {
12199 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12202 DisplayTitle(title);
12206 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12207 gameMode = PlayFromGameFile;
12211 currentMove = forwardMostMove = backwardMostMove = 0;
12212 CopyBoard(boards[0], initialPosition);
12216 * Skip the first gn-1 games in the file.
12217 * Also skip over anything that precedes an identifiable
12218 * start of game marker, to avoid being confused by
12219 * garbage at the start of the file. Currently
12220 * recognized start of game markers are the move number "1",
12221 * the pattern "gnuchess .* game", the pattern
12222 * "^[#;%] [^ ]* game file", and a PGN tag block.
12223 * A game that starts with one of the latter two patterns
12224 * will also have a move number 1, possibly
12225 * following a position diagram.
12226 * 5-4-02: Let's try being more lenient and allowing a game to
12227 * start with an unnumbered move. Does that break anything?
12229 cm = lastLoadGameStart = EndOfFile;
12231 yyboardindex = forwardMostMove;
12232 cm = (ChessMove) Myylex();
12235 if (cmailMsgLoaded) {
12236 nCmailGames = CMAIL_MAX_GAMES - gn;
12239 DisplayError(_("Game not found in file"), 0);
12246 lastLoadGameStart = cm;
12249 case MoveNumberOne:
12250 switch (lastLoadGameStart) {
12255 case MoveNumberOne:
12257 gn--; /* count this game */
12258 lastLoadGameStart = cm;
12267 switch (lastLoadGameStart) {
12270 case MoveNumberOne:
12272 gn--; /* count this game */
12273 lastLoadGameStart = cm;
12276 lastLoadGameStart = cm; /* game counted already */
12284 yyboardindex = forwardMostMove;
12285 cm = (ChessMove) Myylex();
12286 } while (cm == PGNTag || cm == Comment);
12293 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12294 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12295 != CMAIL_OLD_RESULT) {
12297 cmailResult[ CMAIL_MAX_GAMES
12298 - gn - 1] = CMAIL_OLD_RESULT;
12304 /* Only a NormalMove can be at the start of a game
12305 * without a position diagram. */
12306 if (lastLoadGameStart == EndOfFile ) {
12308 lastLoadGameStart = MoveNumberOne;
12317 if (appData.debugMode)
12318 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12320 if (cm == XBoardGame) {
12321 /* Skip any header junk before position diagram and/or move 1 */
12323 yyboardindex = forwardMostMove;
12324 cm = (ChessMove) Myylex();
12326 if (cm == EndOfFile ||
12327 cm == GNUChessGame || cm == XBoardGame) {
12328 /* Empty game; pretend end-of-file and handle later */
12333 if (cm == MoveNumberOne || cm == PositionDiagram ||
12334 cm == PGNTag || cm == Comment)
12337 } else if (cm == GNUChessGame) {
12338 if (gameInfo.event != NULL) {
12339 free(gameInfo.event);
12341 gameInfo.event = StrSave(yy_text);
12344 startedFromSetupPosition = FALSE;
12345 while (cm == PGNTag) {
12346 if (appData.debugMode)
12347 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12348 err = ParsePGNTag(yy_text, &gameInfo);
12349 if (!err) numPGNTags++;
12351 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12352 if(gameInfo.variant != oldVariant) {
12353 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12354 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12355 InitPosition(TRUE);
12356 oldVariant = gameInfo.variant;
12357 if (appData.debugMode)
12358 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12362 if (gameInfo.fen != NULL) {
12363 Board initial_position;
12364 startedFromSetupPosition = TRUE;
12365 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12367 DisplayError(_("Bad FEN position in file"), 0);
12370 CopyBoard(boards[0], initial_position);
12371 if (blackPlaysFirst) {
12372 currentMove = forwardMostMove = backwardMostMove = 1;
12373 CopyBoard(boards[1], initial_position);
12374 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12375 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12376 timeRemaining[0][1] = whiteTimeRemaining;
12377 timeRemaining[1][1] = blackTimeRemaining;
12378 if (commentList[0] != NULL) {
12379 commentList[1] = commentList[0];
12380 commentList[0] = NULL;
12383 currentMove = forwardMostMove = backwardMostMove = 0;
12385 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12387 initialRulePlies = FENrulePlies;
12388 for( i=0; i< nrCastlingRights; i++ )
12389 initialRights[i] = initial_position[CASTLING][i];
12391 yyboardindex = forwardMostMove;
12392 free(gameInfo.fen);
12393 gameInfo.fen = NULL;
12396 yyboardindex = forwardMostMove;
12397 cm = (ChessMove) Myylex();
12399 /* Handle comments interspersed among the tags */
12400 while (cm == Comment) {
12402 if (appData.debugMode)
12403 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12405 AppendComment(currentMove, p, FALSE);
12406 yyboardindex = forwardMostMove;
12407 cm = (ChessMove) Myylex();
12411 /* don't rely on existence of Event tag since if game was
12412 * pasted from clipboard the Event tag may not exist
12414 if (numPGNTags > 0){
12416 if (gameInfo.variant == VariantNormal) {
12417 VariantClass v = StringToVariant(gameInfo.event);
12418 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12419 if(v < VariantShogi) gameInfo.variant = v;
12422 if( appData.autoDisplayTags ) {
12423 tags = PGNTags(&gameInfo);
12424 TagsPopUp(tags, CmailMsg());
12429 /* Make something up, but don't display it now */
12434 if (cm == PositionDiagram) {
12437 Board initial_position;
12439 if (appData.debugMode)
12440 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12442 if (!startedFromSetupPosition) {
12444 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12445 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12456 initial_position[i][j++] = CharToPiece(*p);
12459 while (*p == ' ' || *p == '\t' ||
12460 *p == '\n' || *p == '\r') p++;
12462 if (strncmp(p, "black", strlen("black"))==0)
12463 blackPlaysFirst = TRUE;
12465 blackPlaysFirst = FALSE;
12466 startedFromSetupPosition = TRUE;
12468 CopyBoard(boards[0], initial_position);
12469 if (blackPlaysFirst) {
12470 currentMove = forwardMostMove = backwardMostMove = 1;
12471 CopyBoard(boards[1], initial_position);
12472 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12473 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12474 timeRemaining[0][1] = whiteTimeRemaining;
12475 timeRemaining[1][1] = blackTimeRemaining;
12476 if (commentList[0] != NULL) {
12477 commentList[1] = commentList[0];
12478 commentList[0] = NULL;
12481 currentMove = forwardMostMove = backwardMostMove = 0;
12484 yyboardindex = forwardMostMove;
12485 cm = (ChessMove) Myylex();
12488 if(!creatingBook) {
12489 if (first.pr == NoProc) {
12490 StartChessProgram(&first);
12492 InitChessProgram(&first, FALSE);
12493 SendToProgram("force\n", &first);
12494 if (startedFromSetupPosition) {
12495 SendBoard(&first, forwardMostMove);
12496 if (appData.debugMode) {
12497 fprintf(debugFP, "Load Game\n");
12499 DisplayBothClocks();
12503 /* [HGM] server: flag to write setup moves in broadcast file as one */
12504 loadFlag = appData.suppressLoadMoves;
12506 while (cm == Comment) {
12508 if (appData.debugMode)
12509 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12511 AppendComment(currentMove, p, FALSE);
12512 yyboardindex = forwardMostMove;
12513 cm = (ChessMove) Myylex();
12516 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12517 cm == WhiteWins || cm == BlackWins ||
12518 cm == GameIsDrawn || cm == GameUnfinished) {
12519 DisplayMessage("", _("No moves in game"));
12520 if (cmailMsgLoaded) {
12521 if (appData.debugMode)
12522 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12526 DrawPosition(FALSE, boards[currentMove]);
12527 DisplayBothClocks();
12528 gameMode = EditGame;
12535 // [HGM] PV info: routine tests if comment empty
12536 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12537 DisplayComment(currentMove - 1, commentList[currentMove]);
12539 if (!matchMode && appData.timeDelay != 0)
12540 DrawPosition(FALSE, boards[currentMove]);
12542 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12543 programStats.ok_to_send = 1;
12546 /* if the first token after the PGN tags is a move
12547 * and not move number 1, retrieve it from the parser
12549 if (cm != MoveNumberOne)
12550 LoadGameOneMove(cm);
12552 /* load the remaining moves from the file */
12553 while (LoadGameOneMove(EndOfFile)) {
12554 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12555 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12558 /* rewind to the start of the game */
12559 currentMove = backwardMostMove;
12561 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12563 if (oldGameMode == AnalyzeFile) {
12564 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12565 AnalyzeFileEvent();
12567 if (oldGameMode == AnalyzeMode) {
12568 AnalyzeFileEvent();
12571 if(creatingBook) return TRUE;
12572 if (!matchMode && pos > 0) {
12573 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12575 if (matchMode || appData.timeDelay == 0) {
12577 } else if (appData.timeDelay > 0) {
12578 AutoPlayGameLoop();
12581 if (appData.debugMode)
12582 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12584 loadFlag = 0; /* [HGM] true game starts */
12588 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12590 ReloadPosition (int offset)
12592 int positionNumber = lastLoadPositionNumber + offset;
12593 if (lastLoadPositionFP == NULL) {
12594 DisplayError(_("No position has been loaded yet"), 0);
12597 if (positionNumber <= 0) {
12598 DisplayError(_("Can't back up any further"), 0);
12601 return LoadPosition(lastLoadPositionFP, positionNumber,
12602 lastLoadPositionTitle);
12605 /* Load the nth position from the given file */
12607 LoadPositionFromFile (char *filename, int n, char *title)
12612 if (strcmp(filename, "-") == 0) {
12613 return LoadPosition(stdin, n, "stdin");
12615 f = fopen(filename, "rb");
12617 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12618 DisplayError(buf, errno);
12621 return LoadPosition(f, n, title);
12626 /* Load the nth position from the given open file, and close it */
12628 LoadPosition (FILE *f, int positionNumber, char *title)
12630 char *p, line[MSG_SIZ];
12631 Board initial_position;
12632 int i, j, fenMode, pn;
12634 if (gameMode == Training )
12635 SetTrainingModeOff();
12637 if (gameMode != BeginningOfGame) {
12638 Reset(FALSE, TRUE);
12640 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12641 fclose(lastLoadPositionFP);
12643 if (positionNumber == 0) positionNumber = 1;
12644 lastLoadPositionFP = f;
12645 lastLoadPositionNumber = positionNumber;
12646 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12647 if (first.pr == NoProc && !appData.noChessProgram) {
12648 StartChessProgram(&first);
12649 InitChessProgram(&first, FALSE);
12651 pn = positionNumber;
12652 if (positionNumber < 0) {
12653 /* Negative position number means to seek to that byte offset */
12654 if (fseek(f, -positionNumber, 0) == -1) {
12655 DisplayError(_("Can't seek on position file"), 0);
12660 if (fseek(f, 0, 0) == -1) {
12661 if (f == lastLoadPositionFP ?
12662 positionNumber == lastLoadPositionNumber + 1 :
12663 positionNumber == 1) {
12666 DisplayError(_("Can't seek on position file"), 0);
12671 /* See if this file is FEN or old-style xboard */
12672 if (fgets(line, MSG_SIZ, f) == NULL) {
12673 DisplayError(_("Position not found in file"), 0);
12676 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12677 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12680 if (fenMode || line[0] == '#') pn--;
12682 /* skip positions before number pn */
12683 if (fgets(line, MSG_SIZ, f) == NULL) {
12685 DisplayError(_("Position not found in file"), 0);
12688 if (fenMode || line[0] == '#') pn--;
12693 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12694 DisplayError(_("Bad FEN position in file"), 0);
12698 (void) fgets(line, MSG_SIZ, f);
12699 (void) fgets(line, MSG_SIZ, f);
12701 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12702 (void) fgets(line, MSG_SIZ, f);
12703 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12706 initial_position[i][j++] = CharToPiece(*p);
12710 blackPlaysFirst = FALSE;
12712 (void) fgets(line, MSG_SIZ, f);
12713 if (strncmp(line, "black", strlen("black"))==0)
12714 blackPlaysFirst = TRUE;
12717 startedFromSetupPosition = TRUE;
12719 CopyBoard(boards[0], initial_position);
12720 if (blackPlaysFirst) {
12721 currentMove = forwardMostMove = backwardMostMove = 1;
12722 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12723 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12724 CopyBoard(boards[1], initial_position);
12725 DisplayMessage("", _("Black to play"));
12727 currentMove = forwardMostMove = backwardMostMove = 0;
12728 DisplayMessage("", _("White to play"));
12730 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12731 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12732 SendToProgram("force\n", &first);
12733 SendBoard(&first, forwardMostMove);
12735 if (appData.debugMode) {
12737 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12738 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12739 fprintf(debugFP, "Load Position\n");
12742 if (positionNumber > 1) {
12743 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12744 DisplayTitle(line);
12746 DisplayTitle(title);
12748 gameMode = EditGame;
12751 timeRemaining[0][1] = whiteTimeRemaining;
12752 timeRemaining[1][1] = blackTimeRemaining;
12753 DrawPosition(FALSE, boards[currentMove]);
12760 CopyPlayerNameIntoFileName (char **dest, char *src)
12762 while (*src != NULLCHAR && *src != ',') {
12767 *(*dest)++ = *src++;
12773 DefaultFileName (char *ext)
12775 static char def[MSG_SIZ];
12778 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12780 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12782 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12784 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12791 /* Save the current game to the given file */
12793 SaveGameToFile (char *filename, int append)
12797 int result, i, t,tot=0;
12799 if (strcmp(filename, "-") == 0) {
12800 return SaveGame(stdout, 0, NULL);
12802 for(i=0; i<10; i++) { // upto 10 tries
12803 f = fopen(filename, append ? "a" : "w");
12804 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12805 if(f || errno != 13) break;
12806 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12810 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12811 DisplayError(buf, errno);
12814 safeStrCpy(buf, lastMsg, MSG_SIZ);
12815 DisplayMessage(_("Waiting for access to save file"), "");
12816 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12817 DisplayMessage(_("Saving game"), "");
12818 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12819 result = SaveGame(f, 0, NULL);
12820 DisplayMessage(buf, "");
12827 SavePart (char *str)
12829 static char buf[MSG_SIZ];
12832 p = strchr(str, ' ');
12833 if (p == NULL) return str;
12834 strncpy(buf, str, p - str);
12835 buf[p - str] = NULLCHAR;
12839 #define PGN_MAX_LINE 75
12841 #define PGN_SIDE_WHITE 0
12842 #define PGN_SIDE_BLACK 1
12845 FindFirstMoveOutOfBook (int side)
12849 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12850 int index = backwardMostMove;
12851 int has_book_hit = 0;
12853 if( (index % 2) != side ) {
12857 while( index < forwardMostMove ) {
12858 /* Check to see if engine is in book */
12859 int depth = pvInfoList[index].depth;
12860 int score = pvInfoList[index].score;
12866 else if( score == 0 && depth == 63 ) {
12867 in_book = 1; /* Zappa */
12869 else if( score == 2 && depth == 99 ) {
12870 in_book = 1; /* Abrok */
12873 has_book_hit += in_book;
12889 GetOutOfBookInfo (char * buf)
12893 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12895 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12896 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12900 if( oob[0] >= 0 || oob[1] >= 0 ) {
12901 for( i=0; i<2; i++ ) {
12905 if( i > 0 && oob[0] >= 0 ) {
12906 strcat( buf, " " );
12909 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12910 sprintf( buf+strlen(buf), "%s%.2f",
12911 pvInfoList[idx].score >= 0 ? "+" : "",
12912 pvInfoList[idx].score / 100.0 );
12918 /* Save game in PGN style and close the file */
12920 SaveGamePGN (FILE *f)
12922 int i, offset, linelen, newblock;
12925 int movelen, numlen, blank;
12926 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12928 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12930 PrintPGNTags(f, &gameInfo);
12932 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12934 if (backwardMostMove > 0 || startedFromSetupPosition) {
12935 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
12936 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12937 fprintf(f, "\n{--------------\n");
12938 PrintPosition(f, backwardMostMove);
12939 fprintf(f, "--------------}\n");
12943 /* [AS] Out of book annotation */
12944 if( appData.saveOutOfBookInfo ) {
12947 GetOutOfBookInfo( buf );
12949 if( buf[0] != '\0' ) {
12950 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12957 i = backwardMostMove;
12961 while (i < forwardMostMove) {
12962 /* Print comments preceding this move */
12963 if (commentList[i] != NULL) {
12964 if (linelen > 0) fprintf(f, "\n");
12965 fprintf(f, "%s", commentList[i]);
12970 /* Format move number */
12972 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12975 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12977 numtext[0] = NULLCHAR;
12979 numlen = strlen(numtext);
12982 /* Print move number */
12983 blank = linelen > 0 && numlen > 0;
12984 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12993 fprintf(f, "%s", numtext);
12997 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12998 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13001 blank = linelen > 0 && movelen > 0;
13002 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13011 fprintf(f, "%s", move_buffer);
13012 linelen += movelen;
13014 /* [AS] Add PV info if present */
13015 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13016 /* [HGM] add time */
13017 char buf[MSG_SIZ]; int seconds;
13019 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13025 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13028 seconds = (seconds + 4)/10; // round to full seconds
13030 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13032 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13035 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13036 pvInfoList[i].score >= 0 ? "+" : "",
13037 pvInfoList[i].score / 100.0,
13038 pvInfoList[i].depth,
13041 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13043 /* Print score/depth */
13044 blank = linelen > 0 && movelen > 0;
13045 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13054 fprintf(f, "%s", move_buffer);
13055 linelen += movelen;
13061 /* Start a new line */
13062 if (linelen > 0) fprintf(f, "\n");
13064 /* Print comments after last move */
13065 if (commentList[i] != NULL) {
13066 fprintf(f, "%s\n", commentList[i]);
13070 if (gameInfo.resultDetails != NULL &&
13071 gameInfo.resultDetails[0] != NULLCHAR) {
13072 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
13073 PGNResult(gameInfo.result));
13075 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13079 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13083 /* Save game in old style and close the file */
13085 SaveGameOldStyle (FILE *f)
13090 tm = time((time_t *) NULL);
13092 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13095 if (backwardMostMove > 0 || startedFromSetupPosition) {
13096 fprintf(f, "\n[--------------\n");
13097 PrintPosition(f, backwardMostMove);
13098 fprintf(f, "--------------]\n");
13103 i = backwardMostMove;
13104 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13106 while (i < forwardMostMove) {
13107 if (commentList[i] != NULL) {
13108 fprintf(f, "[%s]\n", commentList[i]);
13111 if ((i % 2) == 1) {
13112 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13115 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13117 if (commentList[i] != NULL) {
13121 if (i >= forwardMostMove) {
13125 fprintf(f, "%s\n", parseList[i]);
13130 if (commentList[i] != NULL) {
13131 fprintf(f, "[%s]\n", commentList[i]);
13134 /* This isn't really the old style, but it's close enough */
13135 if (gameInfo.resultDetails != NULL &&
13136 gameInfo.resultDetails[0] != NULLCHAR) {
13137 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13138 gameInfo.resultDetails);
13140 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13147 /* Save the current game to open file f and close the file */
13149 SaveGame (FILE *f, int dummy, char *dummy2)
13151 if (gameMode == EditPosition) EditPositionDone(TRUE);
13152 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13153 if (appData.oldSaveStyle)
13154 return SaveGameOldStyle(f);
13156 return SaveGamePGN(f);
13159 /* Save the current position to the given file */
13161 SavePositionToFile (char *filename)
13166 if (strcmp(filename, "-") == 0) {
13167 return SavePosition(stdout, 0, NULL);
13169 f = fopen(filename, "a");
13171 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13172 DisplayError(buf, errno);
13175 safeStrCpy(buf, lastMsg, MSG_SIZ);
13176 DisplayMessage(_("Waiting for access to save file"), "");
13177 flock(fileno(f), LOCK_EX); // [HGM] lock
13178 DisplayMessage(_("Saving position"), "");
13179 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13180 SavePosition(f, 0, NULL);
13181 DisplayMessage(buf, "");
13187 /* Save the current position to the given open file and close the file */
13189 SavePosition (FILE *f, int dummy, char *dummy2)
13194 if (gameMode == EditPosition) EditPositionDone(TRUE);
13195 if (appData.oldSaveStyle) {
13196 tm = time((time_t *) NULL);
13198 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13200 fprintf(f, "[--------------\n");
13201 PrintPosition(f, currentMove);
13202 fprintf(f, "--------------]\n");
13204 fen = PositionToFEN(currentMove, NULL, 1);
13205 fprintf(f, "%s\n", fen);
13213 ReloadCmailMsgEvent (int unregister)
13216 static char *inFilename = NULL;
13217 static char *outFilename;
13219 struct stat inbuf, outbuf;
13222 /* Any registered moves are unregistered if unregister is set, */
13223 /* i.e. invoked by the signal handler */
13225 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13226 cmailMoveRegistered[i] = FALSE;
13227 if (cmailCommentList[i] != NULL) {
13228 free(cmailCommentList[i]);
13229 cmailCommentList[i] = NULL;
13232 nCmailMovesRegistered = 0;
13235 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13236 cmailResult[i] = CMAIL_NOT_RESULT;
13240 if (inFilename == NULL) {
13241 /* Because the filenames are static they only get malloced once */
13242 /* and they never get freed */
13243 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13244 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13246 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13247 sprintf(outFilename, "%s.out", appData.cmailGameName);
13250 status = stat(outFilename, &outbuf);
13252 cmailMailedMove = FALSE;
13254 status = stat(inFilename, &inbuf);
13255 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13258 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13259 counts the games, notes how each one terminated, etc.
13261 It would be nice to remove this kludge and instead gather all
13262 the information while building the game list. (And to keep it
13263 in the game list nodes instead of having a bunch of fixed-size
13264 parallel arrays.) Note this will require getting each game's
13265 termination from the PGN tags, as the game list builder does
13266 not process the game moves. --mann
13268 cmailMsgLoaded = TRUE;
13269 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13271 /* Load first game in the file or popup game menu */
13272 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13274 #endif /* !WIN32 */
13282 char string[MSG_SIZ];
13284 if ( cmailMailedMove
13285 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13286 return TRUE; /* Allow free viewing */
13289 /* Unregister move to ensure that we don't leave RegisterMove */
13290 /* with the move registered when the conditions for registering no */
13292 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13293 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13294 nCmailMovesRegistered --;
13296 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13298 free(cmailCommentList[lastLoadGameNumber - 1]);
13299 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13303 if (cmailOldMove == -1) {
13304 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13308 if (currentMove > cmailOldMove + 1) {
13309 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13313 if (currentMove < cmailOldMove) {
13314 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13318 if (forwardMostMove > currentMove) {
13319 /* Silently truncate extra moves */
13323 if ( (currentMove == cmailOldMove + 1)
13324 || ( (currentMove == cmailOldMove)
13325 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13326 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13327 if (gameInfo.result != GameUnfinished) {
13328 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13331 if (commentList[currentMove] != NULL) {
13332 cmailCommentList[lastLoadGameNumber - 1]
13333 = StrSave(commentList[currentMove]);
13335 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13337 if (appData.debugMode)
13338 fprintf(debugFP, "Saving %s for game %d\n",
13339 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13341 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13343 f = fopen(string, "w");
13344 if (appData.oldSaveStyle) {
13345 SaveGameOldStyle(f); /* also closes the file */
13347 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13348 f = fopen(string, "w");
13349 SavePosition(f, 0, NULL); /* also closes the file */
13351 fprintf(f, "{--------------\n");
13352 PrintPosition(f, currentMove);
13353 fprintf(f, "--------------}\n\n");
13355 SaveGame(f, 0, NULL); /* also closes the file*/
13358 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13359 nCmailMovesRegistered ++;
13360 } else if (nCmailGames == 1) {
13361 DisplayError(_("You have not made a move yet"), 0);
13372 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13373 FILE *commandOutput;
13374 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13375 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13381 if (! cmailMsgLoaded) {
13382 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13386 if (nCmailGames == nCmailResults) {
13387 DisplayError(_("No unfinished games"), 0);
13391 #if CMAIL_PROHIBIT_REMAIL
13392 if (cmailMailedMove) {
13393 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);
13394 DisplayError(msg, 0);
13399 if (! (cmailMailedMove || RegisterMove())) return;
13401 if ( cmailMailedMove
13402 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13403 snprintf(string, MSG_SIZ, partCommandString,
13404 appData.debugMode ? " -v" : "", appData.cmailGameName);
13405 commandOutput = popen(string, "r");
13407 if (commandOutput == NULL) {
13408 DisplayError(_("Failed to invoke cmail"), 0);
13410 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13411 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13413 if (nBuffers > 1) {
13414 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13415 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13416 nBytes = MSG_SIZ - 1;
13418 (void) memcpy(msg, buffer, nBytes);
13420 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13422 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13423 cmailMailedMove = TRUE; /* Prevent >1 moves */
13426 for (i = 0; i < nCmailGames; i ++) {
13427 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13432 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13434 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13436 appData.cmailGameName,
13438 LoadGameFromFile(buffer, 1, buffer, FALSE);
13439 cmailMsgLoaded = FALSE;
13443 DisplayInformation(msg);
13444 pclose(commandOutput);
13447 if ((*cmailMsg) != '\0') {
13448 DisplayInformation(cmailMsg);
13453 #endif /* !WIN32 */
13462 int prependComma = 0;
13464 char string[MSG_SIZ]; /* Space for game-list */
13467 if (!cmailMsgLoaded) return "";
13469 if (cmailMailedMove) {
13470 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13472 /* Create a list of games left */
13473 snprintf(string, MSG_SIZ, "[");
13474 for (i = 0; i < nCmailGames; i ++) {
13475 if (! ( cmailMoveRegistered[i]
13476 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13477 if (prependComma) {
13478 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13480 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13484 strcat(string, number);
13487 strcat(string, "]");
13489 if (nCmailMovesRegistered + nCmailResults == 0) {
13490 switch (nCmailGames) {
13492 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13496 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13500 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13505 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13507 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13512 if (nCmailResults == nCmailGames) {
13513 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13515 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13520 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13532 if (gameMode == Training)
13533 SetTrainingModeOff();
13536 cmailMsgLoaded = FALSE;
13537 if (appData.icsActive) {
13538 SendToICS(ics_prefix);
13539 SendToICS("refresh\n");
13544 ExitEvent (int status)
13548 /* Give up on clean exit */
13552 /* Keep trying for clean exit */
13556 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13558 if (telnetISR != NULL) {
13559 RemoveInputSource(telnetISR);
13561 if (icsPR != NoProc) {
13562 DestroyChildProcess(icsPR, TRUE);
13565 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13566 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13568 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13569 /* make sure this other one finishes before killing it! */
13570 if(endingGame) { int count = 0;
13571 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13572 while(endingGame && count++ < 10) DoSleep(1);
13573 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13576 /* Kill off chess programs */
13577 if (first.pr != NoProc) {
13580 DoSleep( appData.delayBeforeQuit );
13581 SendToProgram("quit\n", &first);
13582 DoSleep( appData.delayAfterQuit );
13583 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13585 if (second.pr != NoProc) {
13586 DoSleep( appData.delayBeforeQuit );
13587 SendToProgram("quit\n", &second);
13588 DoSleep( appData.delayAfterQuit );
13589 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13591 if (first.isr != NULL) {
13592 RemoveInputSource(first.isr);
13594 if (second.isr != NULL) {
13595 RemoveInputSource(second.isr);
13598 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13599 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13601 ShutDownFrontEnd();
13606 PauseEngine (ChessProgramState *cps)
13608 SendToProgram("pause\n", cps);
13613 UnPauseEngine (ChessProgramState *cps)
13615 SendToProgram("resume\n", cps);
13622 if (appData.debugMode)
13623 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13627 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13629 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13630 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13631 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13633 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13634 HandleMachineMove(stashedInputMove, stalledEngine);
13635 stalledEngine = NULL;
13638 if (gameMode == MachinePlaysWhite ||
13639 gameMode == TwoMachinesPlay ||
13640 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13641 if(first.pause) UnPauseEngine(&first);
13642 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13643 if(second.pause) UnPauseEngine(&second);
13644 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13647 DisplayBothClocks();
13649 if (gameMode == PlayFromGameFile) {
13650 if (appData.timeDelay >= 0)
13651 AutoPlayGameLoop();
13652 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13653 Reset(FALSE, TRUE);
13654 SendToICS(ics_prefix);
13655 SendToICS("refresh\n");
13656 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13657 ForwardInner(forwardMostMove);
13659 pauseExamInvalid = FALSE;
13661 switch (gameMode) {
13665 pauseExamForwardMostMove = forwardMostMove;
13666 pauseExamInvalid = FALSE;
13669 case IcsPlayingWhite:
13670 case IcsPlayingBlack:
13674 case PlayFromGameFile:
13675 (void) StopLoadGameTimer();
13679 case BeginningOfGame:
13680 if (appData.icsActive) return;
13681 /* else fall through */
13682 case MachinePlaysWhite:
13683 case MachinePlaysBlack:
13684 case TwoMachinesPlay:
13685 if (forwardMostMove == 0)
13686 return; /* don't pause if no one has moved */
13687 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13688 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13689 if(onMove->pause) { // thinking engine can be paused
13690 PauseEngine(onMove); // do it
13691 if(onMove->other->pause) // pondering opponent can always be paused immediately
13692 PauseEngine(onMove->other);
13694 SendToProgram("easy\n", onMove->other);
13696 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13697 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13699 PauseEngine(&first);
13701 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13702 } else { // human on move, pause pondering by either method
13704 PauseEngine(&first);
13705 else if(appData.ponderNextMove)
13706 SendToProgram("easy\n", &first);
13709 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13719 EditCommentEvent ()
13721 char title[MSG_SIZ];
13723 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13724 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13726 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13727 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13728 parseList[currentMove - 1]);
13731 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13738 char *tags = PGNTags(&gameInfo);
13740 EditTagsPopUp(tags, NULL);
13747 if(second.analyzing) {
13748 SendToProgram("exit\n", &second);
13749 second.analyzing = FALSE;
13751 if (second.pr == NoProc) StartChessProgram(&second);
13752 InitChessProgram(&second, FALSE);
13753 FeedMovesToProgram(&second, currentMove);
13755 SendToProgram("analyze\n", &second);
13756 second.analyzing = TRUE;
13760 /* Toggle ShowThinking */
13762 ToggleShowThinking()
13764 appData.showThinking = !appData.showThinking;
13765 ShowThinkingEvent();
13769 AnalyzeModeEvent ()
13773 if (!first.analysisSupport) {
13774 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13775 DisplayError(buf, 0);
13778 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13779 if (appData.icsActive) {
13780 if (gameMode != IcsObserving) {
13781 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13782 DisplayError(buf, 0);
13784 if (appData.icsEngineAnalyze) {
13785 if (appData.debugMode)
13786 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13792 /* if enable, user wants to disable icsEngineAnalyze */
13793 if (appData.icsEngineAnalyze) {
13798 appData.icsEngineAnalyze = TRUE;
13799 if (appData.debugMode)
13800 fprintf(debugFP, "ICS engine analyze starting... \n");
13803 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13804 if (appData.noChessProgram || gameMode == AnalyzeMode)
13807 if (gameMode != AnalyzeFile) {
13808 if (!appData.icsEngineAnalyze) {
13810 if (gameMode != EditGame) return 0;
13812 if (!appData.showThinking) ToggleShowThinking();
13813 ResurrectChessProgram();
13814 SendToProgram("analyze\n", &first);
13815 first.analyzing = TRUE;
13816 /*first.maybeThinking = TRUE;*/
13817 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13818 EngineOutputPopUp();
13820 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13825 StartAnalysisClock();
13826 GetTimeMark(&lastNodeCountTime);
13832 AnalyzeFileEvent ()
13834 if (appData.noChessProgram || gameMode == AnalyzeFile)
13837 if (!first.analysisSupport) {
13839 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13840 DisplayError(buf, 0);
13844 if (gameMode != AnalyzeMode) {
13845 keepInfo = 1; // mere annotating should not alter PGN tags
13848 if (gameMode != EditGame) return;
13849 if (!appData.showThinking) ToggleShowThinking();
13850 ResurrectChessProgram();
13851 SendToProgram("analyze\n", &first);
13852 first.analyzing = TRUE;
13853 /*first.maybeThinking = TRUE;*/
13854 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13855 EngineOutputPopUp();
13857 gameMode = AnalyzeFile;
13861 StartAnalysisClock();
13862 GetTimeMark(&lastNodeCountTime);
13864 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13865 AnalysisPeriodicEvent(1);
13869 MachineWhiteEvent ()
13872 char *bookHit = NULL;
13874 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13878 if (gameMode == PlayFromGameFile ||
13879 gameMode == TwoMachinesPlay ||
13880 gameMode == Training ||
13881 gameMode == AnalyzeMode ||
13882 gameMode == EndOfGame)
13885 if (gameMode == EditPosition)
13886 EditPositionDone(TRUE);
13888 if (!WhiteOnMove(currentMove)) {
13889 DisplayError(_("It is not White's turn"), 0);
13893 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13896 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13897 gameMode == AnalyzeFile)
13900 ResurrectChessProgram(); /* in case it isn't running */
13901 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13902 gameMode = MachinePlaysWhite;
13905 gameMode = MachinePlaysWhite;
13909 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13911 if (first.sendName) {
13912 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13913 SendToProgram(buf, &first);
13915 if (first.sendTime) {
13916 if (first.useColors) {
13917 SendToProgram("black\n", &first); /*gnu kludge*/
13919 SendTimeRemaining(&first, TRUE);
13921 if (first.useColors) {
13922 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13924 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13925 SetMachineThinkingEnables();
13926 first.maybeThinking = TRUE;
13930 if (appData.autoFlipView && !flipView) {
13931 flipView = !flipView;
13932 DrawPosition(FALSE, NULL);
13933 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13936 if(bookHit) { // [HGM] book: simulate book reply
13937 static char bookMove[MSG_SIZ]; // a bit generous?
13939 programStats.nodes = programStats.depth = programStats.time =
13940 programStats.score = programStats.got_only_move = 0;
13941 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13943 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13944 strcat(bookMove, bookHit);
13945 HandleMachineMove(bookMove, &first);
13950 MachineBlackEvent ()
13953 char *bookHit = NULL;
13955 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13959 if (gameMode == PlayFromGameFile ||
13960 gameMode == TwoMachinesPlay ||
13961 gameMode == Training ||
13962 gameMode == AnalyzeMode ||
13963 gameMode == EndOfGame)
13966 if (gameMode == EditPosition)
13967 EditPositionDone(TRUE);
13969 if (WhiteOnMove(currentMove)) {
13970 DisplayError(_("It is not Black's turn"), 0);
13974 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13977 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13978 gameMode == AnalyzeFile)
13981 ResurrectChessProgram(); /* in case it isn't running */
13982 gameMode = MachinePlaysBlack;
13986 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13988 if (first.sendName) {
13989 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13990 SendToProgram(buf, &first);
13992 if (first.sendTime) {
13993 if (first.useColors) {
13994 SendToProgram("white\n", &first); /*gnu kludge*/
13996 SendTimeRemaining(&first, FALSE);
13998 if (first.useColors) {
13999 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14001 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14002 SetMachineThinkingEnables();
14003 first.maybeThinking = TRUE;
14006 if (appData.autoFlipView && flipView) {
14007 flipView = !flipView;
14008 DrawPosition(FALSE, NULL);
14009 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14011 if(bookHit) { // [HGM] book: simulate book reply
14012 static char bookMove[MSG_SIZ]; // a bit generous?
14014 programStats.nodes = programStats.depth = programStats.time =
14015 programStats.score = programStats.got_only_move = 0;
14016 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14018 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14019 strcat(bookMove, bookHit);
14020 HandleMachineMove(bookMove, &first);
14026 DisplayTwoMachinesTitle ()
14029 if (appData.matchGames > 0) {
14030 if(appData.tourneyFile[0]) {
14031 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14032 gameInfo.white, _("vs."), gameInfo.black,
14033 nextGame+1, appData.matchGames+1,
14034 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14036 if (first.twoMachinesColor[0] == 'w') {
14037 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14038 gameInfo.white, _("vs."), gameInfo.black,
14039 first.matchWins, second.matchWins,
14040 matchGame - 1 - (first.matchWins + second.matchWins));
14042 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14043 gameInfo.white, _("vs."), gameInfo.black,
14044 second.matchWins, first.matchWins,
14045 matchGame - 1 - (first.matchWins + second.matchWins));
14048 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14054 SettingsMenuIfReady ()
14056 if (second.lastPing != second.lastPong) {
14057 DisplayMessage("", _("Waiting for second chess program"));
14058 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14062 DisplayMessage("", "");
14063 SettingsPopUp(&second);
14067 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14070 if (cps->pr == NoProc) {
14071 StartChessProgram(cps);
14072 if (cps->protocolVersion == 1) {
14074 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14076 /* kludge: allow timeout for initial "feature" command */
14077 if(retry != TwoMachinesEventIfReady) FreezeUI();
14078 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14079 DisplayMessage("", buf);
14080 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14088 TwoMachinesEvent P((void))
14092 ChessProgramState *onmove;
14093 char *bookHit = NULL;
14094 static int stalling = 0;
14098 if (appData.noChessProgram) return;
14100 switch (gameMode) {
14101 case TwoMachinesPlay:
14103 case MachinePlaysWhite:
14104 case MachinePlaysBlack:
14105 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14106 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14110 case BeginningOfGame:
14111 case PlayFromGameFile:
14114 if (gameMode != EditGame) return;
14117 EditPositionDone(TRUE);
14128 // forwardMostMove = currentMove;
14129 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14130 startingEngine = TRUE;
14132 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14134 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14135 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14136 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14139 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14141 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14142 startingEngine = FALSE;
14143 DisplayError("second engine does not play this", 0);
14148 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14149 SendToProgram("force\n", &second);
14151 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14154 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14155 if(appData.matchPause>10000 || appData.matchPause<10)
14156 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14157 wait = SubtractTimeMarks(&now, &pauseStart);
14158 if(wait < appData.matchPause) {
14159 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14162 // we are now committed to starting the game
14164 DisplayMessage("", "");
14165 if (startedFromSetupPosition) {
14166 SendBoard(&second, backwardMostMove);
14167 if (appData.debugMode) {
14168 fprintf(debugFP, "Two Machines\n");
14171 for (i = backwardMostMove; i < forwardMostMove; i++) {
14172 SendMoveToProgram(i, &second);
14175 gameMode = TwoMachinesPlay;
14176 pausing = startingEngine = FALSE;
14177 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14179 DisplayTwoMachinesTitle();
14181 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14186 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14187 SendToProgram(first.computerString, &first);
14188 if (first.sendName) {
14189 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14190 SendToProgram(buf, &first);
14192 SendToProgram(second.computerString, &second);
14193 if (second.sendName) {
14194 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14195 SendToProgram(buf, &second);
14199 if (!first.sendTime || !second.sendTime) {
14200 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14201 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14203 if (onmove->sendTime) {
14204 if (onmove->useColors) {
14205 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14207 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14209 if (onmove->useColors) {
14210 SendToProgram(onmove->twoMachinesColor, onmove);
14212 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14213 // SendToProgram("go\n", onmove);
14214 onmove->maybeThinking = TRUE;
14215 SetMachineThinkingEnables();
14219 if(bookHit) { // [HGM] book: simulate book reply
14220 static char bookMove[MSG_SIZ]; // a bit generous?
14222 programStats.nodes = programStats.depth = programStats.time =
14223 programStats.score = programStats.got_only_move = 0;
14224 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14226 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14227 strcat(bookMove, bookHit);
14228 savedMessage = bookMove; // args for deferred call
14229 savedState = onmove;
14230 ScheduleDelayedEvent(DeferredBookMove, 1);
14237 if (gameMode == Training) {
14238 SetTrainingModeOff();
14239 gameMode = PlayFromGameFile;
14240 DisplayMessage("", _("Training mode off"));
14242 gameMode = Training;
14243 animateTraining = appData.animate;
14245 /* make sure we are not already at the end of the game */
14246 if (currentMove < forwardMostMove) {
14247 SetTrainingModeOn();
14248 DisplayMessage("", _("Training mode on"));
14250 gameMode = PlayFromGameFile;
14251 DisplayError(_("Already at end of game"), 0);
14260 if (!appData.icsActive) return;
14261 switch (gameMode) {
14262 case IcsPlayingWhite:
14263 case IcsPlayingBlack:
14266 case BeginningOfGame:
14274 EditPositionDone(TRUE);
14287 gameMode = IcsIdle;
14297 switch (gameMode) {
14299 SetTrainingModeOff();
14301 case MachinePlaysWhite:
14302 case MachinePlaysBlack:
14303 case BeginningOfGame:
14304 SendToProgram("force\n", &first);
14305 SetUserThinkingEnables();
14307 case PlayFromGameFile:
14308 (void) StopLoadGameTimer();
14309 if (gameFileFP != NULL) {
14314 EditPositionDone(TRUE);
14319 SendToProgram("force\n", &first);
14321 case TwoMachinesPlay:
14322 GameEnds(EndOfFile, NULL, GE_PLAYER);
14323 ResurrectChessProgram();
14324 SetUserThinkingEnables();
14327 ResurrectChessProgram();
14329 case IcsPlayingBlack:
14330 case IcsPlayingWhite:
14331 DisplayError(_("Warning: You are still playing a game"), 0);
14334 DisplayError(_("Warning: You are still observing a game"), 0);
14337 DisplayError(_("Warning: You are still examining a game"), 0);
14348 first.offeredDraw = second.offeredDraw = 0;
14350 if (gameMode == PlayFromGameFile) {
14351 whiteTimeRemaining = timeRemaining[0][currentMove];
14352 blackTimeRemaining = timeRemaining[1][currentMove];
14356 if (gameMode == MachinePlaysWhite ||
14357 gameMode == MachinePlaysBlack ||
14358 gameMode == TwoMachinesPlay ||
14359 gameMode == EndOfGame) {
14360 i = forwardMostMove;
14361 while (i > currentMove) {
14362 SendToProgram("undo\n", &first);
14365 if(!adjustedClock) {
14366 whiteTimeRemaining = timeRemaining[0][currentMove];
14367 blackTimeRemaining = timeRemaining[1][currentMove];
14368 DisplayBothClocks();
14370 if (whiteFlag || blackFlag) {
14371 whiteFlag = blackFlag = 0;
14376 gameMode = EditGame;
14383 EditPositionEvent ()
14385 if (gameMode == EditPosition) {
14391 if (gameMode != EditGame) return;
14393 gameMode = EditPosition;
14396 if (currentMove > 0)
14397 CopyBoard(boards[0], boards[currentMove]);
14399 blackPlaysFirst = !WhiteOnMove(currentMove);
14401 currentMove = forwardMostMove = backwardMostMove = 0;
14402 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14404 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14410 /* [DM] icsEngineAnalyze - possible call from other functions */
14411 if (appData.icsEngineAnalyze) {
14412 appData.icsEngineAnalyze = FALSE;
14414 DisplayMessage("",_("Close ICS engine analyze..."));
14416 if (first.analysisSupport && first.analyzing) {
14417 SendToBoth("exit\n");
14418 first.analyzing = second.analyzing = FALSE;
14420 thinkOutput[0] = NULLCHAR;
14424 EditPositionDone (Boolean fakeRights)
14426 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14428 startedFromSetupPosition = TRUE;
14429 InitChessProgram(&first, FALSE);
14430 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14431 boards[0][EP_STATUS] = EP_NONE;
14432 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14433 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14434 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14435 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14436 } else boards[0][CASTLING][2] = NoRights;
14437 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14438 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14439 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14440 } else boards[0][CASTLING][5] = NoRights;
14441 if(gameInfo.variant == VariantSChess) {
14443 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14444 boards[0][VIRGIN][i] = 0;
14445 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14446 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14450 SendToProgram("force\n", &first);
14451 if (blackPlaysFirst) {
14452 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14453 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14454 currentMove = forwardMostMove = backwardMostMove = 1;
14455 CopyBoard(boards[1], boards[0]);
14457 currentMove = forwardMostMove = backwardMostMove = 0;
14459 SendBoard(&first, forwardMostMove);
14460 if (appData.debugMode) {
14461 fprintf(debugFP, "EditPosDone\n");
14464 DisplayMessage("", "");
14465 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14466 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14467 gameMode = EditGame;
14469 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14470 ClearHighlights(); /* [AS] */
14473 /* Pause for `ms' milliseconds */
14474 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14476 TimeDelay (long ms)
14483 } while (SubtractTimeMarks(&m2, &m1) < ms);
14486 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14488 SendMultiLineToICS (char *buf)
14490 char temp[MSG_SIZ+1], *p;
14497 strncpy(temp, buf, len);
14502 if (*p == '\n' || *p == '\r')
14507 strcat(temp, "\n");
14509 SendToPlayer(temp, strlen(temp));
14513 SetWhiteToPlayEvent ()
14515 if (gameMode == EditPosition) {
14516 blackPlaysFirst = FALSE;
14517 DisplayBothClocks(); /* works because currentMove is 0 */
14518 } else if (gameMode == IcsExamining) {
14519 SendToICS(ics_prefix);
14520 SendToICS("tomove white\n");
14525 SetBlackToPlayEvent ()
14527 if (gameMode == EditPosition) {
14528 blackPlaysFirst = TRUE;
14529 currentMove = 1; /* kludge */
14530 DisplayBothClocks();
14532 } else if (gameMode == IcsExamining) {
14533 SendToICS(ics_prefix);
14534 SendToICS("tomove black\n");
14539 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14542 ChessSquare piece = boards[0][y][x];
14544 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14546 switch (selection) {
14548 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14549 SendToICS(ics_prefix);
14550 SendToICS("bsetup clear\n");
14551 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14552 SendToICS(ics_prefix);
14553 SendToICS("clearboard\n");
14555 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14556 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14557 for (y = 0; y < BOARD_HEIGHT; y++) {
14558 if (gameMode == IcsExamining) {
14559 if (boards[currentMove][y][x] != EmptySquare) {
14560 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14565 boards[0][y][x] = p;
14570 if (gameMode == EditPosition) {
14571 DrawPosition(FALSE, boards[0]);
14576 SetWhiteToPlayEvent();
14580 SetBlackToPlayEvent();
14584 if (gameMode == IcsExamining) {
14585 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14586 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14589 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14590 if(x == BOARD_LEFT-2) {
14591 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14592 boards[0][y][1] = 0;
14594 if(x == BOARD_RGHT+1) {
14595 if(y >= gameInfo.holdingsSize) break;
14596 boards[0][y][BOARD_WIDTH-2] = 0;
14599 boards[0][y][x] = EmptySquare;
14600 DrawPosition(FALSE, boards[0]);
14605 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14606 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14607 selection = (ChessSquare) (PROMOTED piece);
14608 } else if(piece == EmptySquare) selection = WhiteSilver;
14609 else selection = (ChessSquare)((int)piece - 1);
14613 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14614 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14615 selection = (ChessSquare) (DEMOTED piece);
14616 } else if(piece == EmptySquare) selection = BlackSilver;
14617 else selection = (ChessSquare)((int)piece + 1);
14622 if(gameInfo.variant == VariantShatranj ||
14623 gameInfo.variant == VariantXiangqi ||
14624 gameInfo.variant == VariantCourier ||
14625 gameInfo.variant == VariantASEAN ||
14626 gameInfo.variant == VariantMakruk )
14627 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14632 if(gameInfo.variant == VariantXiangqi)
14633 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14634 if(gameInfo.variant == VariantKnightmate)
14635 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14638 if (gameMode == IcsExamining) {
14639 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14640 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14641 PieceToChar(selection), AAA + x, ONE + y);
14644 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14646 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14647 n = PieceToNumber(selection - BlackPawn);
14648 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14649 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14650 boards[0][BOARD_HEIGHT-1-n][1]++;
14652 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14653 n = PieceToNumber(selection);
14654 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14655 boards[0][n][BOARD_WIDTH-1] = selection;
14656 boards[0][n][BOARD_WIDTH-2]++;
14659 boards[0][y][x] = selection;
14660 DrawPosition(TRUE, boards[0]);
14662 fromX = fromY = -1;
14670 DropMenuEvent (ChessSquare selection, int x, int y)
14672 ChessMove moveType;
14674 switch (gameMode) {
14675 case IcsPlayingWhite:
14676 case MachinePlaysBlack:
14677 if (!WhiteOnMove(currentMove)) {
14678 DisplayMoveError(_("It is Black's turn"));
14681 moveType = WhiteDrop;
14683 case IcsPlayingBlack:
14684 case MachinePlaysWhite:
14685 if (WhiteOnMove(currentMove)) {
14686 DisplayMoveError(_("It is White's turn"));
14689 moveType = BlackDrop;
14692 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14698 if (moveType == BlackDrop && selection < BlackPawn) {
14699 selection = (ChessSquare) ((int) selection
14700 + (int) BlackPawn - (int) WhitePawn);
14702 if (boards[currentMove][y][x] != EmptySquare) {
14703 DisplayMoveError(_("That square is occupied"));
14707 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14713 /* Accept a pending offer of any kind from opponent */
14715 if (appData.icsActive) {
14716 SendToICS(ics_prefix);
14717 SendToICS("accept\n");
14718 } else if (cmailMsgLoaded) {
14719 if (currentMove == cmailOldMove &&
14720 commentList[cmailOldMove] != NULL &&
14721 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14722 "Black offers a draw" : "White offers a draw")) {
14724 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14725 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14727 DisplayError(_("There is no pending offer on this move"), 0);
14728 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14731 /* Not used for offers from chess program */
14738 /* Decline a pending offer of any kind from opponent */
14740 if (appData.icsActive) {
14741 SendToICS(ics_prefix);
14742 SendToICS("decline\n");
14743 } else if (cmailMsgLoaded) {
14744 if (currentMove == cmailOldMove &&
14745 commentList[cmailOldMove] != NULL &&
14746 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14747 "Black offers a draw" : "White offers a draw")) {
14749 AppendComment(cmailOldMove, "Draw declined", TRUE);
14750 DisplayComment(cmailOldMove - 1, "Draw declined");
14753 DisplayError(_("There is no pending offer on this move"), 0);
14756 /* Not used for offers from chess program */
14763 /* Issue ICS rematch command */
14764 if (appData.icsActive) {
14765 SendToICS(ics_prefix);
14766 SendToICS("rematch\n");
14773 /* Call your opponent's flag (claim a win on time) */
14774 if (appData.icsActive) {
14775 SendToICS(ics_prefix);
14776 SendToICS("flag\n");
14778 switch (gameMode) {
14781 case MachinePlaysWhite:
14784 GameEnds(GameIsDrawn, "Both players ran out of time",
14787 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14789 DisplayError(_("Your opponent is not out of time"), 0);
14792 case MachinePlaysBlack:
14795 GameEnds(GameIsDrawn, "Both players ran out of time",
14798 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14800 DisplayError(_("Your opponent is not out of time"), 0);
14808 ClockClick (int which)
14809 { // [HGM] code moved to back-end from winboard.c
14810 if(which) { // black clock
14811 if (gameMode == EditPosition || gameMode == IcsExamining) {
14812 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14813 SetBlackToPlayEvent();
14814 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14815 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14816 } else if (shiftKey) {
14817 AdjustClock(which, -1);
14818 } else if (gameMode == IcsPlayingWhite ||
14819 gameMode == MachinePlaysBlack) {
14822 } else { // white clock
14823 if (gameMode == EditPosition || gameMode == IcsExamining) {
14824 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14825 SetWhiteToPlayEvent();
14826 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14827 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14828 } else if (shiftKey) {
14829 AdjustClock(which, -1);
14830 } else if (gameMode == IcsPlayingBlack ||
14831 gameMode == MachinePlaysWhite) {
14840 /* Offer draw or accept pending draw offer from opponent */
14842 if (appData.icsActive) {
14843 /* Note: tournament rules require draw offers to be
14844 made after you make your move but before you punch
14845 your clock. Currently ICS doesn't let you do that;
14846 instead, you immediately punch your clock after making
14847 a move, but you can offer a draw at any time. */
14849 SendToICS(ics_prefix);
14850 SendToICS("draw\n");
14851 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14852 } else if (cmailMsgLoaded) {
14853 if (currentMove == cmailOldMove &&
14854 commentList[cmailOldMove] != NULL &&
14855 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14856 "Black offers a draw" : "White offers a draw")) {
14857 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14858 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14859 } else if (currentMove == cmailOldMove + 1) {
14860 char *offer = WhiteOnMove(cmailOldMove) ?
14861 "White offers a draw" : "Black offers a draw";
14862 AppendComment(currentMove, offer, TRUE);
14863 DisplayComment(currentMove - 1, offer);
14864 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14866 DisplayError(_("You must make your move before offering a draw"), 0);
14867 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14869 } else if (first.offeredDraw) {
14870 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14872 if (first.sendDrawOffers) {
14873 SendToProgram("draw\n", &first);
14874 userOfferedDraw = TRUE;
14882 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14884 if (appData.icsActive) {
14885 SendToICS(ics_prefix);
14886 SendToICS("adjourn\n");
14888 /* Currently GNU Chess doesn't offer or accept Adjourns */
14896 /* Offer Abort or accept pending Abort offer from opponent */
14898 if (appData.icsActive) {
14899 SendToICS(ics_prefix);
14900 SendToICS("abort\n");
14902 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14909 /* Resign. You can do this even if it's not your turn. */
14911 if (appData.icsActive) {
14912 SendToICS(ics_prefix);
14913 SendToICS("resign\n");
14915 switch (gameMode) {
14916 case MachinePlaysWhite:
14917 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14919 case MachinePlaysBlack:
14920 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14923 if (cmailMsgLoaded) {
14925 if (WhiteOnMove(cmailOldMove)) {
14926 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14928 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14930 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14941 StopObservingEvent ()
14943 /* Stop observing current games */
14944 SendToICS(ics_prefix);
14945 SendToICS("unobserve\n");
14949 StopExaminingEvent ()
14951 /* Stop observing current game */
14952 SendToICS(ics_prefix);
14953 SendToICS("unexamine\n");
14957 ForwardInner (int target)
14959 int limit; int oldSeekGraphUp = seekGraphUp;
14961 if (appData.debugMode)
14962 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14963 target, currentMove, forwardMostMove);
14965 if (gameMode == EditPosition)
14968 seekGraphUp = FALSE;
14969 MarkTargetSquares(1);
14971 if (gameMode == PlayFromGameFile && !pausing)
14974 if (gameMode == IcsExamining && pausing)
14975 limit = pauseExamForwardMostMove;
14977 limit = forwardMostMove;
14979 if (target > limit) target = limit;
14981 if (target > 0 && moveList[target - 1][0]) {
14982 int fromX, fromY, toX, toY;
14983 toX = moveList[target - 1][2] - AAA;
14984 toY = moveList[target - 1][3] - ONE;
14985 if (moveList[target - 1][1] == '@') {
14986 if (appData.highlightLastMove) {
14987 SetHighlights(-1, -1, toX, toY);
14990 fromX = moveList[target - 1][0] - AAA;
14991 fromY = moveList[target - 1][1] - ONE;
14992 if (target == currentMove + 1) {
14993 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14995 if (appData.highlightLastMove) {
14996 SetHighlights(fromX, fromY, toX, toY);
15000 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15001 gameMode == Training || gameMode == PlayFromGameFile ||
15002 gameMode == AnalyzeFile) {
15003 while (currentMove < target) {
15004 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15005 SendMoveToProgram(currentMove++, &first);
15008 currentMove = target;
15011 if (gameMode == EditGame || gameMode == EndOfGame) {
15012 whiteTimeRemaining = timeRemaining[0][currentMove];
15013 blackTimeRemaining = timeRemaining[1][currentMove];
15015 DisplayBothClocks();
15016 DisplayMove(currentMove - 1);
15017 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15018 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15019 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15020 DisplayComment(currentMove - 1, commentList[currentMove]);
15022 ClearMap(); // [HGM] exclude: invalidate map
15029 if (gameMode == IcsExamining && !pausing) {
15030 SendToICS(ics_prefix);
15031 SendToICS("forward\n");
15033 ForwardInner(currentMove + 1);
15040 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15041 /* to optimze, we temporarily turn off analysis mode while we feed
15042 * the remaining moves to the engine. Otherwise we get analysis output
15045 if (first.analysisSupport) {
15046 SendToProgram("exit\nforce\n", &first);
15047 first.analyzing = FALSE;
15051 if (gameMode == IcsExamining && !pausing) {
15052 SendToICS(ics_prefix);
15053 SendToICS("forward 999999\n");
15055 ForwardInner(forwardMostMove);
15058 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15059 /* we have fed all the moves, so reactivate analysis mode */
15060 SendToProgram("analyze\n", &first);
15061 first.analyzing = TRUE;
15062 /*first.maybeThinking = TRUE;*/
15063 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15068 BackwardInner (int target)
15070 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15072 if (appData.debugMode)
15073 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15074 target, currentMove, forwardMostMove);
15076 if (gameMode == EditPosition) return;
15077 seekGraphUp = FALSE;
15078 MarkTargetSquares(1);
15079 if (currentMove <= backwardMostMove) {
15081 DrawPosition(full_redraw, boards[currentMove]);
15084 if (gameMode == PlayFromGameFile && !pausing)
15087 if (moveList[target][0]) {
15088 int fromX, fromY, toX, toY;
15089 toX = moveList[target][2] - AAA;
15090 toY = moveList[target][3] - ONE;
15091 if (moveList[target][1] == '@') {
15092 if (appData.highlightLastMove) {
15093 SetHighlights(-1, -1, toX, toY);
15096 fromX = moveList[target][0] - AAA;
15097 fromY = moveList[target][1] - ONE;
15098 if (target == currentMove - 1) {
15099 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15101 if (appData.highlightLastMove) {
15102 SetHighlights(fromX, fromY, toX, toY);
15106 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15107 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15108 while (currentMove > target) {
15109 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15110 // null move cannot be undone. Reload program with move history before it.
15112 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15113 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15115 SendBoard(&first, i);
15116 if(second.analyzing) SendBoard(&second, i);
15117 for(currentMove=i; currentMove<target; currentMove++) {
15118 SendMoveToProgram(currentMove, &first);
15119 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15123 SendToBoth("undo\n");
15127 currentMove = target;
15130 if (gameMode == EditGame || gameMode == EndOfGame) {
15131 whiteTimeRemaining = timeRemaining[0][currentMove];
15132 blackTimeRemaining = timeRemaining[1][currentMove];
15134 DisplayBothClocks();
15135 DisplayMove(currentMove - 1);
15136 DrawPosition(full_redraw, boards[currentMove]);
15137 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15138 // [HGM] PV info: routine tests if comment empty
15139 DisplayComment(currentMove - 1, commentList[currentMove]);
15140 ClearMap(); // [HGM] exclude: invalidate map
15146 if (gameMode == IcsExamining && !pausing) {
15147 SendToICS(ics_prefix);
15148 SendToICS("backward\n");
15150 BackwardInner(currentMove - 1);
15157 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15158 /* to optimize, we temporarily turn off analysis mode while we undo
15159 * all the moves. Otherwise we get analysis output after each undo.
15161 if (first.analysisSupport) {
15162 SendToProgram("exit\nforce\n", &first);
15163 first.analyzing = FALSE;
15167 if (gameMode == IcsExamining && !pausing) {
15168 SendToICS(ics_prefix);
15169 SendToICS("backward 999999\n");
15171 BackwardInner(backwardMostMove);
15174 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15175 /* we have fed all the moves, so reactivate analysis mode */
15176 SendToProgram("analyze\n", &first);
15177 first.analyzing = TRUE;
15178 /*first.maybeThinking = TRUE;*/
15179 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15186 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15187 if (to >= forwardMostMove) to = forwardMostMove;
15188 if (to <= backwardMostMove) to = backwardMostMove;
15189 if (to < currentMove) {
15197 RevertEvent (Boolean annotate)
15199 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15202 if (gameMode != IcsExamining) {
15203 DisplayError(_("You are not examining a game"), 0);
15207 DisplayError(_("You can't revert while pausing"), 0);
15210 SendToICS(ics_prefix);
15211 SendToICS("revert\n");
15215 RetractMoveEvent ()
15217 switch (gameMode) {
15218 case MachinePlaysWhite:
15219 case MachinePlaysBlack:
15220 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15221 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15224 if (forwardMostMove < 2) return;
15225 currentMove = forwardMostMove = forwardMostMove - 2;
15226 whiteTimeRemaining = timeRemaining[0][currentMove];
15227 blackTimeRemaining = timeRemaining[1][currentMove];
15228 DisplayBothClocks();
15229 DisplayMove(currentMove - 1);
15230 ClearHighlights();/*!! could figure this out*/
15231 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15232 SendToProgram("remove\n", &first);
15233 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15236 case BeginningOfGame:
15240 case IcsPlayingWhite:
15241 case IcsPlayingBlack:
15242 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15243 SendToICS(ics_prefix);
15244 SendToICS("takeback 2\n");
15246 SendToICS(ics_prefix);
15247 SendToICS("takeback 1\n");
15256 ChessProgramState *cps;
15258 switch (gameMode) {
15259 case MachinePlaysWhite:
15260 if (!WhiteOnMove(forwardMostMove)) {
15261 DisplayError(_("It is your turn"), 0);
15266 case MachinePlaysBlack:
15267 if (WhiteOnMove(forwardMostMove)) {
15268 DisplayError(_("It is your turn"), 0);
15273 case TwoMachinesPlay:
15274 if (WhiteOnMove(forwardMostMove) ==
15275 (first.twoMachinesColor[0] == 'w')) {
15281 case BeginningOfGame:
15285 SendToProgram("?\n", cps);
15289 TruncateGameEvent ()
15292 if (gameMode != EditGame) return;
15299 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15300 if (forwardMostMove > currentMove) {
15301 if (gameInfo.resultDetails != NULL) {
15302 free(gameInfo.resultDetails);
15303 gameInfo.resultDetails = NULL;
15304 gameInfo.result = GameUnfinished;
15306 forwardMostMove = currentMove;
15307 HistorySet(parseList, backwardMostMove, forwardMostMove,
15315 if (appData.noChessProgram) return;
15316 switch (gameMode) {
15317 case MachinePlaysWhite:
15318 if (WhiteOnMove(forwardMostMove)) {
15319 DisplayError(_("Wait until your turn"), 0);
15323 case BeginningOfGame:
15324 case MachinePlaysBlack:
15325 if (!WhiteOnMove(forwardMostMove)) {
15326 DisplayError(_("Wait until your turn"), 0);
15331 DisplayError(_("No hint available"), 0);
15334 SendToProgram("hint\n", &first);
15335 hintRequested = TRUE;
15341 ListGame * lg = (ListGame *) gameList.head;
15344 static int secondTime = FALSE;
15346 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15347 DisplayError(_("Game list not loaded or empty"), 0);
15351 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15354 DisplayNote(_("Book file exists! Try again for overwrite."));
15358 creatingBook = TRUE;
15359 secondTime = FALSE;
15361 /* Get list size */
15362 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15363 LoadGame(f, nItem, "", TRUE);
15364 AddGameToBook(TRUE);
15365 lg = (ListGame *) lg->node.succ;
15368 creatingBook = FALSE;
15375 if (appData.noChessProgram) return;
15376 switch (gameMode) {
15377 case MachinePlaysWhite:
15378 if (WhiteOnMove(forwardMostMove)) {
15379 DisplayError(_("Wait until your turn"), 0);
15383 case BeginningOfGame:
15384 case MachinePlaysBlack:
15385 if (!WhiteOnMove(forwardMostMove)) {
15386 DisplayError(_("Wait until your turn"), 0);
15391 EditPositionDone(TRUE);
15393 case TwoMachinesPlay:
15398 SendToProgram("bk\n", &first);
15399 bookOutput[0] = NULLCHAR;
15400 bookRequested = TRUE;
15406 char *tags = PGNTags(&gameInfo);
15407 TagsPopUp(tags, CmailMsg());
15411 /* end button procedures */
15414 PrintPosition (FILE *fp, int move)
15418 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15419 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15420 char c = PieceToChar(boards[move][i][j]);
15421 fputc(c == 'x' ? '.' : c, fp);
15422 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15425 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15426 fprintf(fp, "white to play\n");
15428 fprintf(fp, "black to play\n");
15432 PrintOpponents (FILE *fp)
15434 if (gameInfo.white != NULL) {
15435 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15441 /* Find last component of program's own name, using some heuristics */
15443 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15446 int local = (strcmp(host, "localhost") == 0);
15447 while (!local && (p = strchr(prog, ';')) != NULL) {
15449 while (*p == ' ') p++;
15452 if (*prog == '"' || *prog == '\'') {
15453 q = strchr(prog + 1, *prog);
15455 q = strchr(prog, ' ');
15457 if (q == NULL) q = prog + strlen(prog);
15459 while (p >= prog && *p != '/' && *p != '\\') p--;
15461 if(p == prog && *p == '"') p++;
15463 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15464 memcpy(buf, p, q - p);
15465 buf[q - p] = NULLCHAR;
15473 TimeControlTagValue ()
15476 if (!appData.clockMode) {
15477 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15478 } else if (movesPerSession > 0) {
15479 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15480 } else if (timeIncrement == 0) {
15481 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15483 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15485 return StrSave(buf);
15491 /* This routine is used only for certain modes */
15492 VariantClass v = gameInfo.variant;
15493 ChessMove r = GameUnfinished;
15496 if(keepInfo) return;
15498 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15499 r = gameInfo.result;
15500 p = gameInfo.resultDetails;
15501 gameInfo.resultDetails = NULL;
15503 ClearGameInfo(&gameInfo);
15504 gameInfo.variant = v;
15506 switch (gameMode) {
15507 case MachinePlaysWhite:
15508 gameInfo.event = StrSave( appData.pgnEventHeader );
15509 gameInfo.site = StrSave(HostName());
15510 gameInfo.date = PGNDate();
15511 gameInfo.round = StrSave("-");
15512 gameInfo.white = StrSave(first.tidy);
15513 gameInfo.black = StrSave(UserName());
15514 gameInfo.timeControl = TimeControlTagValue();
15517 case MachinePlaysBlack:
15518 gameInfo.event = StrSave( appData.pgnEventHeader );
15519 gameInfo.site = StrSave(HostName());
15520 gameInfo.date = PGNDate();
15521 gameInfo.round = StrSave("-");
15522 gameInfo.white = StrSave(UserName());
15523 gameInfo.black = StrSave(first.tidy);
15524 gameInfo.timeControl = TimeControlTagValue();
15527 case TwoMachinesPlay:
15528 gameInfo.event = StrSave( appData.pgnEventHeader );
15529 gameInfo.site = StrSave(HostName());
15530 gameInfo.date = PGNDate();
15533 snprintf(buf, MSG_SIZ, "%d", roundNr);
15534 gameInfo.round = StrSave(buf);
15536 gameInfo.round = StrSave("-");
15538 if (first.twoMachinesColor[0] == 'w') {
15539 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15540 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15542 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15543 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15545 gameInfo.timeControl = TimeControlTagValue();
15549 gameInfo.event = StrSave("Edited game");
15550 gameInfo.site = StrSave(HostName());
15551 gameInfo.date = PGNDate();
15552 gameInfo.round = StrSave("-");
15553 gameInfo.white = StrSave("-");
15554 gameInfo.black = StrSave("-");
15555 gameInfo.result = r;
15556 gameInfo.resultDetails = p;
15560 gameInfo.event = StrSave("Edited position");
15561 gameInfo.site = StrSave(HostName());
15562 gameInfo.date = PGNDate();
15563 gameInfo.round = StrSave("-");
15564 gameInfo.white = StrSave("-");
15565 gameInfo.black = StrSave("-");
15568 case IcsPlayingWhite:
15569 case IcsPlayingBlack:
15574 case PlayFromGameFile:
15575 gameInfo.event = StrSave("Game from non-PGN file");
15576 gameInfo.site = StrSave(HostName());
15577 gameInfo.date = PGNDate();
15578 gameInfo.round = StrSave("-");
15579 gameInfo.white = StrSave("?");
15580 gameInfo.black = StrSave("?");
15589 ReplaceComment (int index, char *text)
15595 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15596 pvInfoList[index-1].depth == len &&
15597 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15598 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15599 while (*text == '\n') text++;
15600 len = strlen(text);
15601 while (len > 0 && text[len - 1] == '\n') len--;
15603 if (commentList[index] != NULL)
15604 free(commentList[index]);
15607 commentList[index] = NULL;
15610 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15611 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15612 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15613 commentList[index] = (char *) malloc(len + 2);
15614 strncpy(commentList[index], text, len);
15615 commentList[index][len] = '\n';
15616 commentList[index][len + 1] = NULLCHAR;
15618 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15620 commentList[index] = (char *) malloc(len + 7);
15621 safeStrCpy(commentList[index], "{\n", 3);
15622 safeStrCpy(commentList[index]+2, text, len+1);
15623 commentList[index][len+2] = NULLCHAR;
15624 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15625 strcat(commentList[index], "\n}\n");
15630 CrushCRs (char *text)
15638 if (ch == '\r') continue;
15640 } while (ch != '\0');
15644 AppendComment (int index, char *text, Boolean addBraces)
15645 /* addBraces tells if we should add {} */
15650 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15651 if(addBraces == 3) addBraces = 0; else // force appending literally
15652 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15655 while (*text == '\n') text++;
15656 len = strlen(text);
15657 while (len > 0 && text[len - 1] == '\n') len--;
15658 text[len] = NULLCHAR;
15660 if (len == 0) return;
15662 if (commentList[index] != NULL) {
15663 Boolean addClosingBrace = addBraces;
15664 old = commentList[index];
15665 oldlen = strlen(old);
15666 while(commentList[index][oldlen-1] == '\n')
15667 commentList[index][--oldlen] = NULLCHAR;
15668 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15669 safeStrCpy(commentList[index], old, oldlen + len + 6);
15671 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15672 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15673 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15674 while (*text == '\n') { text++; len--; }
15675 commentList[index][--oldlen] = NULLCHAR;
15677 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15678 else strcat(commentList[index], "\n");
15679 strcat(commentList[index], text);
15680 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15681 else strcat(commentList[index], "\n");
15683 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15685 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15686 else commentList[index][0] = NULLCHAR;
15687 strcat(commentList[index], text);
15688 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15689 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15694 FindStr (char * text, char * sub_text)
15696 char * result = strstr( text, sub_text );
15698 if( result != NULL ) {
15699 result += strlen( sub_text );
15705 /* [AS] Try to extract PV info from PGN comment */
15706 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15708 GetInfoFromComment (int index, char * text)
15710 char * sep = text, *p;
15712 if( text != NULL && index > 0 ) {
15715 int time = -1, sec = 0, deci;
15716 char * s_eval = FindStr( text, "[%eval " );
15717 char * s_emt = FindStr( text, "[%emt " );
15719 if( s_eval != NULL || s_emt != NULL ) {
15721 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15726 if( s_eval != NULL ) {
15727 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15731 if( delim != ']' ) {
15736 if( s_emt != NULL ) {
15741 /* We expect something like: [+|-]nnn.nn/dd */
15744 if(*text != '{') return text; // [HGM] braces: must be normal comment
15746 sep = strchr( text, '/' );
15747 if( sep == NULL || sep < (text+4) ) {
15752 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15753 if(p[1] == '(') { // comment starts with PV
15754 p = strchr(p, ')'); // locate end of PV
15755 if(p == NULL || sep < p+5) return text;
15756 // at this point we have something like "{(.*) +0.23/6 ..."
15757 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15758 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15759 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15761 time = -1; sec = -1; deci = -1;
15762 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15763 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15764 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15765 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15769 if( score_lo < 0 || score_lo >= 100 ) {
15773 if(sec >= 0) time = 600*time + 10*sec; else
15774 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15776 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15778 /* [HGM] PV time: now locate end of PV info */
15779 while( *++sep >= '0' && *sep <= '9'); // strip depth
15781 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15783 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15785 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15786 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15797 pvInfoList[index-1].depth = depth;
15798 pvInfoList[index-1].score = score;
15799 pvInfoList[index-1].time = 10*time; // centi-sec
15800 if(*sep == '}') *sep = 0; else *--sep = '{';
15801 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15807 SendToProgram (char *message, ChessProgramState *cps)
15809 int count, outCount, error;
15812 if (cps->pr == NoProc) return;
15815 if (appData.debugMode) {
15818 fprintf(debugFP, "%ld >%-6s: %s",
15819 SubtractTimeMarks(&now, &programStartTime),
15820 cps->which, message);
15822 fprintf(serverFP, "%ld >%-6s: %s",
15823 SubtractTimeMarks(&now, &programStartTime),
15824 cps->which, message), fflush(serverFP);
15827 count = strlen(message);
15828 outCount = OutputToProcess(cps->pr, message, count, &error);
15829 if (outCount < count && !exiting
15830 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15831 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15832 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15833 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15834 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15835 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15836 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15837 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15839 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15840 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15841 gameInfo.result = res;
15843 gameInfo.resultDetails = StrSave(buf);
15845 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15846 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15851 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15855 ChessProgramState *cps = (ChessProgramState *)closure;
15857 if (isr != cps->isr) return; /* Killed intentionally */
15860 RemoveInputSource(cps->isr);
15861 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15862 _(cps->which), cps->program);
15863 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15864 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15865 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15866 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15867 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15868 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15870 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15871 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15872 gameInfo.result = res;
15874 gameInfo.resultDetails = StrSave(buf);
15876 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15877 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15879 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15880 _(cps->which), cps->program);
15881 RemoveInputSource(cps->isr);
15883 /* [AS] Program is misbehaving badly... kill it */
15884 if( count == -2 ) {
15885 DestroyChildProcess( cps->pr, 9 );
15889 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15894 if ((end_str = strchr(message, '\r')) != NULL)
15895 *end_str = NULLCHAR;
15896 if ((end_str = strchr(message, '\n')) != NULL)
15897 *end_str = NULLCHAR;
15899 if (appData.debugMode) {
15900 TimeMark now; int print = 1;
15901 char *quote = ""; char c; int i;
15903 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15904 char start = message[0];
15905 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15906 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15907 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15908 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15909 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15910 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15911 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15912 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15913 sscanf(message, "hint: %c", &c)!=1 &&
15914 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15915 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15916 print = (appData.engineComments >= 2);
15918 message[0] = start; // restore original message
15922 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15923 SubtractTimeMarks(&now, &programStartTime), cps->which,
15927 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15928 SubtractTimeMarks(&now, &programStartTime), cps->which,
15930 message), fflush(serverFP);
15934 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15935 if (appData.icsEngineAnalyze) {
15936 if (strstr(message, "whisper") != NULL ||
15937 strstr(message, "kibitz") != NULL ||
15938 strstr(message, "tellics") != NULL) return;
15941 HandleMachineMove(message, cps);
15946 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15951 if( timeControl_2 > 0 ) {
15952 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15953 tc = timeControl_2;
15956 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15957 inc /= cps->timeOdds;
15958 st /= cps->timeOdds;
15960 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15963 /* Set exact time per move, normally using st command */
15964 if (cps->stKludge) {
15965 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15967 if (seconds == 0) {
15968 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15970 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15973 snprintf(buf, MSG_SIZ, "st %d\n", st);
15976 /* Set conventional or incremental time control, using level command */
15977 if (seconds == 0) {
15978 /* Note old gnuchess bug -- minutes:seconds used to not work.
15979 Fixed in later versions, but still avoid :seconds
15980 when seconds is 0. */
15981 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15983 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15984 seconds, inc/1000.);
15987 SendToProgram(buf, cps);
15989 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15990 /* Orthogonally, limit search to given depth */
15992 if (cps->sdKludge) {
15993 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15995 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15997 SendToProgram(buf, cps);
16000 if(cps->nps >= 0) { /* [HGM] nps */
16001 if(cps->supportsNPS == FALSE)
16002 cps->nps = -1; // don't use if engine explicitly says not supported!
16004 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16005 SendToProgram(buf, cps);
16010 ChessProgramState *
16012 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16014 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16015 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16021 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16023 char message[MSG_SIZ];
16026 /* Note: this routine must be called when the clocks are stopped
16027 or when they have *just* been set or switched; otherwise
16028 it will be off by the time since the current tick started.
16030 if (machineWhite) {
16031 time = whiteTimeRemaining / 10;
16032 otime = blackTimeRemaining / 10;
16034 time = blackTimeRemaining / 10;
16035 otime = whiteTimeRemaining / 10;
16037 /* [HGM] translate opponent's time by time-odds factor */
16038 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16040 if (time <= 0) time = 1;
16041 if (otime <= 0) otime = 1;
16043 snprintf(message, MSG_SIZ, "time %ld\n", time);
16044 SendToProgram(message, cps);
16046 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16047 SendToProgram(message, cps);
16051 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16054 int len = strlen(name);
16057 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16059 sscanf(*p, "%d", &val);
16061 while (**p && **p != ' ')
16063 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16064 SendToProgram(buf, cps);
16071 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16074 int len = strlen(name);
16075 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16077 sscanf(*p, "%d", loc);
16078 while (**p && **p != ' ') (*p)++;
16079 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16080 SendToProgram(buf, cps);
16087 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16090 int len = strlen(name);
16091 if (strncmp((*p), name, len) == 0
16092 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16094 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16095 sscanf(*p, "%[^\"]", *loc);
16096 while (**p && **p != '\"') (*p)++;
16097 if (**p == '\"') (*p)++;
16098 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16099 SendToProgram(buf, cps);
16106 ParseOption (Option *opt, ChessProgramState *cps)
16107 // [HGM] options: process the string that defines an engine option, and determine
16108 // name, type, default value, and allowed value range
16110 char *p, *q, buf[MSG_SIZ];
16111 int n, min = (-1)<<31, max = 1<<31, def;
16113 if(p = strstr(opt->name, " -spin ")) {
16114 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16115 if(max < min) max = min; // enforce consistency
16116 if(def < min) def = min;
16117 if(def > max) def = max;
16122 } else if((p = strstr(opt->name, " -slider "))) {
16123 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16124 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16125 if(max < min) max = min; // enforce consistency
16126 if(def < min) def = min;
16127 if(def > max) def = max;
16131 opt->type = Spin; // Slider;
16132 } else if((p = strstr(opt->name, " -string "))) {
16133 opt->textValue = p+9;
16134 opt->type = TextBox;
16135 } else if((p = strstr(opt->name, " -file "))) {
16136 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16137 opt->textValue = p+7;
16138 opt->type = FileName; // FileName;
16139 } else if((p = strstr(opt->name, " -path "))) {
16140 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16141 opt->textValue = p+7;
16142 opt->type = PathName; // PathName;
16143 } else if(p = strstr(opt->name, " -check ")) {
16144 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16145 opt->value = (def != 0);
16146 opt->type = CheckBox;
16147 } else if(p = strstr(opt->name, " -combo ")) {
16148 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16149 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16150 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16151 opt->value = n = 0;
16152 while(q = StrStr(q, " /// ")) {
16153 n++; *q = 0; // count choices, and null-terminate each of them
16155 if(*q == '*') { // remember default, which is marked with * prefix
16159 cps->comboList[cps->comboCnt++] = q;
16161 cps->comboList[cps->comboCnt++] = NULL;
16163 opt->type = ComboBox;
16164 } else if(p = strstr(opt->name, " -button")) {
16165 opt->type = Button;
16166 } else if(p = strstr(opt->name, " -save")) {
16167 opt->type = SaveButton;
16168 } else return FALSE;
16169 *p = 0; // terminate option name
16170 // now look if the command-line options define a setting for this engine option.
16171 if(cps->optionSettings && cps->optionSettings[0])
16172 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16173 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16174 snprintf(buf, MSG_SIZ, "option %s", p);
16175 if(p = strstr(buf, ",")) *p = 0;
16176 if(q = strchr(buf, '=')) switch(opt->type) {
16178 for(n=0; n<opt->max; n++)
16179 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16182 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16186 opt->value = atoi(q+1);
16191 SendToProgram(buf, cps);
16197 FeatureDone (ChessProgramState *cps, int val)
16199 DelayedEventCallback cb = GetDelayedEvent();
16200 if ((cb == InitBackEnd3 && cps == &first) ||
16201 (cb == SettingsMenuIfReady && cps == &second) ||
16202 (cb == LoadEngine) ||
16203 (cb == TwoMachinesEventIfReady)) {
16204 CancelDelayedEvent();
16205 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16207 cps->initDone = val;
16208 if(val) cps->reload = FALSE;
16211 /* Parse feature command from engine */
16213 ParseFeatures (char *args, ChessProgramState *cps)
16221 while (*p == ' ') p++;
16222 if (*p == NULLCHAR) return;
16224 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16225 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16226 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16227 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16228 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16229 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16230 if (BoolFeature(&p, "reuse", &val, cps)) {
16231 /* Engine can disable reuse, but can't enable it if user said no */
16232 if (!val) cps->reuse = FALSE;
16235 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16236 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16237 if (gameMode == TwoMachinesPlay) {
16238 DisplayTwoMachinesTitle();
16244 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16245 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16246 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16247 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16248 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16249 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16250 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16251 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16252 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16253 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16254 if (IntFeature(&p, "done", &val, cps)) {
16255 FeatureDone(cps, val);
16258 /* Added by Tord: */
16259 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16260 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16261 /* End of additions by Tord */
16263 /* [HGM] added features: */
16264 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16265 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16266 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16267 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16268 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16269 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16270 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16271 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16272 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16273 FREE(cps->option[cps->nrOptions].name);
16274 cps->option[cps->nrOptions].name = q; q = NULL;
16275 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16276 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16277 SendToProgram(buf, cps);
16280 if(cps->nrOptions >= MAX_OPTIONS) {
16282 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16283 DisplayError(buf, 0);
16287 /* End of additions by HGM */
16289 /* unknown feature: complain and skip */
16291 while (*q && *q != '=') q++;
16292 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16293 SendToProgram(buf, cps);
16299 while (*p && *p != '\"') p++;
16300 if (*p == '\"') p++;
16302 while (*p && *p != ' ') p++;
16310 PeriodicUpdatesEvent (int newState)
16312 if (newState == appData.periodicUpdates)
16315 appData.periodicUpdates=newState;
16317 /* Display type changes, so update it now */
16318 // DisplayAnalysis();
16320 /* Get the ball rolling again... */
16322 AnalysisPeriodicEvent(1);
16323 StartAnalysisClock();
16328 PonderNextMoveEvent (int newState)
16330 if (newState == appData.ponderNextMove) return;
16331 if (gameMode == EditPosition) EditPositionDone(TRUE);
16333 SendToProgram("hard\n", &first);
16334 if (gameMode == TwoMachinesPlay) {
16335 SendToProgram("hard\n", &second);
16338 SendToProgram("easy\n", &first);
16339 thinkOutput[0] = NULLCHAR;
16340 if (gameMode == TwoMachinesPlay) {
16341 SendToProgram("easy\n", &second);
16344 appData.ponderNextMove = newState;
16348 NewSettingEvent (int option, int *feature, char *command, int value)
16352 if (gameMode == EditPosition) EditPositionDone(TRUE);
16353 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16354 if(feature == NULL || *feature) SendToProgram(buf, &first);
16355 if (gameMode == TwoMachinesPlay) {
16356 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16361 ShowThinkingEvent ()
16362 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16364 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16365 int newState = appData.showThinking
16366 // [HGM] thinking: other features now need thinking output as well
16367 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16369 if (oldState == newState) return;
16370 oldState = newState;
16371 if (gameMode == EditPosition) EditPositionDone(TRUE);
16373 SendToProgram("post\n", &first);
16374 if (gameMode == TwoMachinesPlay) {
16375 SendToProgram("post\n", &second);
16378 SendToProgram("nopost\n", &first);
16379 thinkOutput[0] = NULLCHAR;
16380 if (gameMode == TwoMachinesPlay) {
16381 SendToProgram("nopost\n", &second);
16384 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16388 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16390 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16391 if (pr == NoProc) return;
16392 AskQuestion(title, question, replyPrefix, pr);
16396 TypeInEvent (char firstChar)
16398 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16399 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16400 gameMode == AnalyzeMode || gameMode == EditGame ||
16401 gameMode == EditPosition || gameMode == IcsExamining ||
16402 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16403 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16404 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16405 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16406 gameMode == Training) PopUpMoveDialog(firstChar);
16410 TypeInDoneEvent (char *move)
16413 int n, fromX, fromY, toX, toY;
16415 ChessMove moveType;
16418 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16419 EditPositionPasteFEN(move);
16422 // [HGM] movenum: allow move number to be typed in any mode
16423 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16427 // undocumented kludge: allow command-line option to be typed in!
16428 // (potentially fatal, and does not implement the effect of the option.)
16429 // should only be used for options that are values on which future decisions will be made,
16430 // and definitely not on options that would be used during initialization.
16431 if(strstr(move, "!!! -") == move) {
16432 ParseArgsFromString(move+4);
16436 if (gameMode != EditGame && currentMove != forwardMostMove &&
16437 gameMode != Training) {
16438 DisplayMoveError(_("Displayed move is not current"));
16440 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16441 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16442 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16443 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16444 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16445 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16447 DisplayMoveError(_("Could not parse move"));
16453 DisplayMove (int moveNumber)
16455 char message[MSG_SIZ];
16457 char cpThinkOutput[MSG_SIZ];
16459 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16461 if (moveNumber == forwardMostMove - 1 ||
16462 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16464 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16466 if (strchr(cpThinkOutput, '\n')) {
16467 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16470 *cpThinkOutput = NULLCHAR;
16473 /* [AS] Hide thinking from human user */
16474 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16475 *cpThinkOutput = NULLCHAR;
16476 if( thinkOutput[0] != NULLCHAR ) {
16479 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16480 cpThinkOutput[i] = '.';
16482 cpThinkOutput[i] = NULLCHAR;
16483 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16487 if (moveNumber == forwardMostMove - 1 &&
16488 gameInfo.resultDetails != NULL) {
16489 if (gameInfo.resultDetails[0] == NULLCHAR) {
16490 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16492 snprintf(res, MSG_SIZ, " {%s} %s",
16493 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16499 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16500 DisplayMessage(res, cpThinkOutput);
16502 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16503 WhiteOnMove(moveNumber) ? " " : ".. ",
16504 parseList[moveNumber], res);
16505 DisplayMessage(message, cpThinkOutput);
16510 DisplayComment (int moveNumber, char *text)
16512 char title[MSG_SIZ];
16514 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16515 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16517 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16518 WhiteOnMove(moveNumber) ? " " : ".. ",
16519 parseList[moveNumber]);
16521 if (text != NULL && (appData.autoDisplayComment || commentUp))
16522 CommentPopUp(title, text);
16525 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16526 * might be busy thinking or pondering. It can be omitted if your
16527 * gnuchess is configured to stop thinking immediately on any user
16528 * input. However, that gnuchess feature depends on the FIONREAD
16529 * ioctl, which does not work properly on some flavors of Unix.
16532 Attention (ChessProgramState *cps)
16535 if (!cps->useSigint) return;
16536 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16537 switch (gameMode) {
16538 case MachinePlaysWhite:
16539 case MachinePlaysBlack:
16540 case TwoMachinesPlay:
16541 case IcsPlayingWhite:
16542 case IcsPlayingBlack:
16545 /* Skip if we know it isn't thinking */
16546 if (!cps->maybeThinking) return;
16547 if (appData.debugMode)
16548 fprintf(debugFP, "Interrupting %s\n", cps->which);
16549 InterruptChildProcess(cps->pr);
16550 cps->maybeThinking = FALSE;
16555 #endif /*ATTENTION*/
16561 if (whiteTimeRemaining <= 0) {
16564 if (appData.icsActive) {
16565 if (appData.autoCallFlag &&
16566 gameMode == IcsPlayingBlack && !blackFlag) {
16567 SendToICS(ics_prefix);
16568 SendToICS("flag\n");
16572 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16574 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16575 if (appData.autoCallFlag) {
16576 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16583 if (blackTimeRemaining <= 0) {
16586 if (appData.icsActive) {
16587 if (appData.autoCallFlag &&
16588 gameMode == IcsPlayingWhite && !whiteFlag) {
16589 SendToICS(ics_prefix);
16590 SendToICS("flag\n");
16594 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16596 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16597 if (appData.autoCallFlag) {
16598 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16609 CheckTimeControl ()
16611 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16612 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16615 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16617 if ( !WhiteOnMove(forwardMostMove) ) {
16618 /* White made time control */
16619 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16620 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16621 /* [HGM] time odds: correct new time quota for time odds! */
16622 / WhitePlayer()->timeOdds;
16623 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16625 lastBlack -= blackTimeRemaining;
16626 /* Black made time control */
16627 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16628 / WhitePlayer()->other->timeOdds;
16629 lastWhite = whiteTimeRemaining;
16634 DisplayBothClocks ()
16636 int wom = gameMode == EditPosition ?
16637 !blackPlaysFirst : WhiteOnMove(currentMove);
16638 DisplayWhiteClock(whiteTimeRemaining, wom);
16639 DisplayBlackClock(blackTimeRemaining, !wom);
16643 /* Timekeeping seems to be a portability nightmare. I think everyone
16644 has ftime(), but I'm really not sure, so I'm including some ifdefs
16645 to use other calls if you don't. Clocks will be less accurate if
16646 you have neither ftime nor gettimeofday.
16649 /* VS 2008 requires the #include outside of the function */
16650 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16651 #include <sys/timeb.h>
16654 /* Get the current time as a TimeMark */
16656 GetTimeMark (TimeMark *tm)
16658 #if HAVE_GETTIMEOFDAY
16660 struct timeval timeVal;
16661 struct timezone timeZone;
16663 gettimeofday(&timeVal, &timeZone);
16664 tm->sec = (long) timeVal.tv_sec;
16665 tm->ms = (int) (timeVal.tv_usec / 1000L);
16667 #else /*!HAVE_GETTIMEOFDAY*/
16670 // include <sys/timeb.h> / moved to just above start of function
16671 struct timeb timeB;
16674 tm->sec = (long) timeB.time;
16675 tm->ms = (int) timeB.millitm;
16677 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16678 tm->sec = (long) time(NULL);
16684 /* Return the difference in milliseconds between two
16685 time marks. We assume the difference will fit in a long!
16688 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16690 return 1000L*(tm2->sec - tm1->sec) +
16691 (long) (tm2->ms - tm1->ms);
16696 * Code to manage the game clocks.
16698 * In tournament play, black starts the clock and then white makes a move.
16699 * We give the human user a slight advantage if he is playing white---the
16700 * clocks don't run until he makes his first move, so it takes zero time.
16701 * Also, we don't account for network lag, so we could get out of sync
16702 * with GNU Chess's clock -- but then, referees are always right.
16705 static TimeMark tickStartTM;
16706 static long intendedTickLength;
16709 NextTickLength (long timeRemaining)
16711 long nominalTickLength, nextTickLength;
16713 if (timeRemaining > 0L && timeRemaining <= 10000L)
16714 nominalTickLength = 100L;
16716 nominalTickLength = 1000L;
16717 nextTickLength = timeRemaining % nominalTickLength;
16718 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16720 return nextTickLength;
16723 /* Adjust clock one minute up or down */
16725 AdjustClock (Boolean which, int dir)
16727 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16728 if(which) blackTimeRemaining += 60000*dir;
16729 else whiteTimeRemaining += 60000*dir;
16730 DisplayBothClocks();
16731 adjustedClock = TRUE;
16734 /* Stop clocks and reset to a fresh time control */
16738 (void) StopClockTimer();
16739 if (appData.icsActive) {
16740 whiteTimeRemaining = blackTimeRemaining = 0;
16741 } else if (searchTime) {
16742 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16743 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16744 } else { /* [HGM] correct new time quote for time odds */
16745 whiteTC = blackTC = fullTimeControlString;
16746 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16747 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16749 if (whiteFlag || blackFlag) {
16751 whiteFlag = blackFlag = FALSE;
16753 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16754 DisplayBothClocks();
16755 adjustedClock = FALSE;
16758 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16760 /* Decrement running clock by amount of time that has passed */
16764 long timeRemaining;
16765 long lastTickLength, fudge;
16768 if (!appData.clockMode) return;
16769 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16773 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16775 /* Fudge if we woke up a little too soon */
16776 fudge = intendedTickLength - lastTickLength;
16777 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16779 if (WhiteOnMove(forwardMostMove)) {
16780 if(whiteNPS >= 0) lastTickLength = 0;
16781 timeRemaining = whiteTimeRemaining -= lastTickLength;
16782 if(timeRemaining < 0 && !appData.icsActive) {
16783 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16784 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16785 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16786 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16789 DisplayWhiteClock(whiteTimeRemaining - fudge,
16790 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16792 if(blackNPS >= 0) lastTickLength = 0;
16793 timeRemaining = blackTimeRemaining -= lastTickLength;
16794 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16795 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16797 blackStartMove = forwardMostMove;
16798 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16801 DisplayBlackClock(blackTimeRemaining - fudge,
16802 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16804 if (CheckFlags()) return;
16806 if(twoBoards) { // count down secondary board's clocks as well
16807 activePartnerTime -= lastTickLength;
16809 if(activePartner == 'W')
16810 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16812 DisplayBlackClock(activePartnerTime, TRUE);
16817 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16818 StartClockTimer(intendedTickLength);
16820 /* if the time remaining has fallen below the alarm threshold, sound the
16821 * alarm. if the alarm has sounded and (due to a takeback or time control
16822 * with increment) the time remaining has increased to a level above the
16823 * threshold, reset the alarm so it can sound again.
16826 if (appData.icsActive && appData.icsAlarm) {
16828 /* make sure we are dealing with the user's clock */
16829 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16830 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16833 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16834 alarmSounded = FALSE;
16835 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16837 alarmSounded = TRUE;
16843 /* A player has just moved, so stop the previously running
16844 clock and (if in clock mode) start the other one.
16845 We redisplay both clocks in case we're in ICS mode, because
16846 ICS gives us an update to both clocks after every move.
16847 Note that this routine is called *after* forwardMostMove
16848 is updated, so the last fractional tick must be subtracted
16849 from the color that is *not* on move now.
16852 SwitchClocks (int newMoveNr)
16854 long lastTickLength;
16856 int flagged = FALSE;
16860 if (StopClockTimer() && appData.clockMode) {
16861 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16862 if (!WhiteOnMove(forwardMostMove)) {
16863 if(blackNPS >= 0) lastTickLength = 0;
16864 blackTimeRemaining -= lastTickLength;
16865 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16866 // if(pvInfoList[forwardMostMove].time == -1)
16867 pvInfoList[forwardMostMove].time = // use GUI time
16868 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16870 if(whiteNPS >= 0) lastTickLength = 0;
16871 whiteTimeRemaining -= lastTickLength;
16872 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16873 // if(pvInfoList[forwardMostMove].time == -1)
16874 pvInfoList[forwardMostMove].time =
16875 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16877 flagged = CheckFlags();
16879 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16880 CheckTimeControl();
16882 if (flagged || !appData.clockMode) return;
16884 switch (gameMode) {
16885 case MachinePlaysBlack:
16886 case MachinePlaysWhite:
16887 case BeginningOfGame:
16888 if (pausing) return;
16892 case PlayFromGameFile:
16900 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16901 if(WhiteOnMove(forwardMostMove))
16902 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16903 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16907 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16908 whiteTimeRemaining : blackTimeRemaining);
16909 StartClockTimer(intendedTickLength);
16913 /* Stop both clocks */
16917 long lastTickLength;
16920 if (!StopClockTimer()) return;
16921 if (!appData.clockMode) return;
16925 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16926 if (WhiteOnMove(forwardMostMove)) {
16927 if(whiteNPS >= 0) lastTickLength = 0;
16928 whiteTimeRemaining -= lastTickLength;
16929 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16931 if(blackNPS >= 0) lastTickLength = 0;
16932 blackTimeRemaining -= lastTickLength;
16933 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16938 /* Start clock of player on move. Time may have been reset, so
16939 if clock is already running, stop and restart it. */
16943 (void) StopClockTimer(); /* in case it was running already */
16944 DisplayBothClocks();
16945 if (CheckFlags()) return;
16947 if (!appData.clockMode) return;
16948 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16950 GetTimeMark(&tickStartTM);
16951 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16952 whiteTimeRemaining : blackTimeRemaining);
16954 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16955 whiteNPS = blackNPS = -1;
16956 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16957 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16958 whiteNPS = first.nps;
16959 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16960 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16961 blackNPS = first.nps;
16962 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16963 whiteNPS = second.nps;
16964 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16965 blackNPS = second.nps;
16966 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16968 StartClockTimer(intendedTickLength);
16972 TimeString (long ms)
16974 long second, minute, hour, day;
16976 static char buf[32];
16978 if (ms > 0 && ms <= 9900) {
16979 /* convert milliseconds to tenths, rounding up */
16980 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16982 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16986 /* convert milliseconds to seconds, rounding up */
16987 /* use floating point to avoid strangeness of integer division
16988 with negative dividends on many machines */
16989 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16996 day = second / (60 * 60 * 24);
16997 second = second % (60 * 60 * 24);
16998 hour = second / (60 * 60);
16999 second = second % (60 * 60);
17000 minute = second / 60;
17001 second = second % 60;
17004 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17005 sign, day, hour, minute, second);
17007 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17009 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17016 * This is necessary because some C libraries aren't ANSI C compliant yet.
17019 StrStr (char *string, char *match)
17023 length = strlen(match);
17025 for (i = strlen(string) - length; i >= 0; i--, string++)
17026 if (!strncmp(match, string, length))
17033 StrCaseStr (char *string, char *match)
17037 length = strlen(match);
17039 for (i = strlen(string) - length; i >= 0; i--, string++) {
17040 for (j = 0; j < length; j++) {
17041 if (ToLower(match[j]) != ToLower(string[j]))
17044 if (j == length) return string;
17052 StrCaseCmp (char *s1, char *s2)
17057 c1 = ToLower(*s1++);
17058 c2 = ToLower(*s2++);
17059 if (c1 > c2) return 1;
17060 if (c1 < c2) return -1;
17061 if (c1 == NULLCHAR) return 0;
17069 return isupper(c) ? tolower(c) : c;
17076 return islower(c) ? toupper(c) : c;
17078 #endif /* !_amigados */
17085 if ((ret = (char *) malloc(strlen(s) + 1)))
17087 safeStrCpy(ret, s, strlen(s)+1);
17093 StrSavePtr (char *s, char **savePtr)
17098 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17099 safeStrCpy(*savePtr, s, strlen(s)+1);
17111 clock = time((time_t *)NULL);
17112 tm = localtime(&clock);
17113 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17114 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17115 return StrSave(buf);
17120 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17122 int i, j, fromX, fromY, toX, toY;
17129 whiteToPlay = (gameMode == EditPosition) ?
17130 !blackPlaysFirst : (move % 2 == 0);
17133 /* Piece placement data */
17134 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17135 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17137 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17138 if (boards[move][i][j] == EmptySquare) {
17140 } else { ChessSquare piece = boards[move][i][j];
17141 if (emptycount > 0) {
17142 if(emptycount<10) /* [HGM] can be >= 10 */
17143 *p++ = '0' + emptycount;
17144 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17147 if(PieceToChar(piece) == '+') {
17148 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17150 piece = (ChessSquare)(DEMOTED piece);
17152 *p++ = PieceToChar(piece);
17154 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17155 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17160 if (emptycount > 0) {
17161 if(emptycount<10) /* [HGM] can be >= 10 */
17162 *p++ = '0' + emptycount;
17163 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17170 /* [HGM] print Crazyhouse or Shogi holdings */
17171 if( gameInfo.holdingsWidth ) {
17172 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17174 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17175 piece = boards[move][i][BOARD_WIDTH-1];
17176 if( piece != EmptySquare )
17177 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17178 *p++ = PieceToChar(piece);
17180 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17181 piece = boards[move][BOARD_HEIGHT-i-1][0];
17182 if( piece != EmptySquare )
17183 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17184 *p++ = PieceToChar(piece);
17187 if( q == p ) *p++ = '-';
17193 *p++ = whiteToPlay ? 'w' : 'b';
17196 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17197 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17199 if(nrCastlingRights) {
17201 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17202 /* [HGM] write directly from rights */
17203 if(boards[move][CASTLING][2] != NoRights &&
17204 boards[move][CASTLING][0] != NoRights )
17205 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17206 if(boards[move][CASTLING][2] != NoRights &&
17207 boards[move][CASTLING][1] != NoRights )
17208 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17209 if(boards[move][CASTLING][5] != NoRights &&
17210 boards[move][CASTLING][3] != NoRights )
17211 *p++ = boards[move][CASTLING][3] + AAA;
17212 if(boards[move][CASTLING][5] != NoRights &&
17213 boards[move][CASTLING][4] != NoRights )
17214 *p++ = boards[move][CASTLING][4] + AAA;
17217 /* [HGM] write true castling rights */
17218 if( nrCastlingRights == 6 ) {
17220 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17221 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17222 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17223 boards[move][CASTLING][2] != NoRights );
17224 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17225 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17226 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17227 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17228 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17232 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17233 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17234 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17235 boards[move][CASTLING][5] != NoRights );
17236 if(gameInfo.variant == VariantSChess) {
17237 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17238 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17239 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17240 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17245 if (q == p) *p++ = '-'; /* No castling rights */
17249 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17250 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17251 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17252 /* En passant target square */
17253 if (move > backwardMostMove) {
17254 fromX = moveList[move - 1][0] - AAA;
17255 fromY = moveList[move - 1][1] - ONE;
17256 toX = moveList[move - 1][2] - AAA;
17257 toY = moveList[move - 1][3] - ONE;
17258 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17259 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17260 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17262 /* 2-square pawn move just happened */
17264 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17268 } else if(move == backwardMostMove) {
17269 // [HGM] perhaps we should always do it like this, and forget the above?
17270 if((signed char)boards[move][EP_STATUS] >= 0) {
17271 *p++ = boards[move][EP_STATUS] + AAA;
17272 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17284 { int i = 0, j=move;
17286 /* [HGM] find reversible plies */
17287 if (appData.debugMode) { int k;
17288 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17289 for(k=backwardMostMove; k<=forwardMostMove; k++)
17290 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17294 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17295 if( j == backwardMostMove ) i += initialRulePlies;
17296 sprintf(p, "%d ", i);
17297 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17299 /* Fullmove number */
17300 sprintf(p, "%d", (move / 2) + 1);
17301 } else *--p = NULLCHAR;
17303 return StrSave(buf);
17307 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17311 int emptycount, virgin[BOARD_FILES];
17316 /* [HGM] by default clear Crazyhouse holdings, if present */
17317 if(gameInfo.holdingsWidth) {
17318 for(i=0; i<BOARD_HEIGHT; i++) {
17319 board[i][0] = EmptySquare; /* black holdings */
17320 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17321 board[i][1] = (ChessSquare) 0; /* black counts */
17322 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17326 /* Piece placement data */
17327 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17330 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17331 if (*p == '/') p++;
17332 emptycount = gameInfo.boardWidth - j;
17333 while (emptycount--)
17334 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17336 #if(BOARD_FILES >= 10)
17337 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17338 p++; emptycount=10;
17339 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17340 while (emptycount--)
17341 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17343 } else if (isdigit(*p)) {
17344 emptycount = *p++ - '0';
17345 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17346 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17347 while (emptycount--)
17348 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17349 } else if (*p == '+' || isalpha(*p)) {
17350 if (j >= gameInfo.boardWidth) return FALSE;
17352 piece = CharToPiece(*++p);
17353 if(piece == EmptySquare) return FALSE; /* unknown piece */
17354 piece = (ChessSquare) (PROMOTED piece ); p++;
17355 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17356 } else piece = CharToPiece(*p++);
17358 if(piece==EmptySquare) return FALSE; /* unknown piece */
17359 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17360 piece = (ChessSquare) (PROMOTED piece);
17361 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17364 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17370 while (*p == '/' || *p == ' ') p++;
17372 /* [HGM] look for Crazyhouse holdings here */
17373 while(*p==' ') p++;
17374 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17376 if(*p == '-' ) p++; /* empty holdings */ else {
17377 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17378 /* if we would allow FEN reading to set board size, we would */
17379 /* have to add holdings and shift the board read so far here */
17380 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17382 if((int) piece >= (int) BlackPawn ) {
17383 i = (int)piece - (int)BlackPawn;
17384 i = PieceToNumber((ChessSquare)i);
17385 if( i >= gameInfo.holdingsSize ) return FALSE;
17386 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17387 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17389 i = (int)piece - (int)WhitePawn;
17390 i = PieceToNumber((ChessSquare)i);
17391 if( i >= gameInfo.holdingsSize ) return FALSE;
17392 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17393 board[i][BOARD_WIDTH-2]++; /* black holdings */
17400 while(*p == ' ') p++;
17404 if(appData.colorNickNames) {
17405 if( c == appData.colorNickNames[0] ) c = 'w'; else
17406 if( c == appData.colorNickNames[1] ) c = 'b';
17410 *blackPlaysFirst = FALSE;
17413 *blackPlaysFirst = TRUE;
17419 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17420 /* return the extra info in global variiables */
17422 /* set defaults in case FEN is incomplete */
17423 board[EP_STATUS] = EP_UNKNOWN;
17424 for(i=0; i<nrCastlingRights; i++ ) {
17425 board[CASTLING][i] =
17426 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17427 } /* assume possible unless obviously impossible */
17428 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17429 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17430 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17431 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17432 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17433 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17434 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17435 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17438 while(*p==' ') p++;
17439 if(nrCastlingRights) {
17440 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17441 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17442 /* castling indicator present, so default becomes no castlings */
17443 for(i=0; i<nrCastlingRights; i++ ) {
17444 board[CASTLING][i] = NoRights;
17447 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17448 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17449 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17450 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17451 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17453 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17454 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17455 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17457 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17458 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17459 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17460 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17461 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17462 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17465 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17466 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17467 board[CASTLING][2] = whiteKingFile;
17468 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17469 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17472 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17473 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17474 board[CASTLING][2] = whiteKingFile;
17475 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17476 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17479 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17480 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17481 board[CASTLING][5] = blackKingFile;
17482 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17483 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17486 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17487 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17488 board[CASTLING][5] = blackKingFile;
17489 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17490 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17493 default: /* FRC castlings */
17494 if(c >= 'a') { /* black rights */
17495 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17496 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17497 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17498 if(i == BOARD_RGHT) break;
17499 board[CASTLING][5] = i;
17501 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17502 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17504 board[CASTLING][3] = c;
17506 board[CASTLING][4] = c;
17507 } else { /* white rights */
17508 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17509 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17510 if(board[0][i] == WhiteKing) break;
17511 if(i == BOARD_RGHT) break;
17512 board[CASTLING][2] = i;
17513 c -= AAA - 'a' + 'A';
17514 if(board[0][c] >= WhiteKing) break;
17516 board[CASTLING][0] = c;
17518 board[CASTLING][1] = c;
17522 for(i=0; i<nrCastlingRights; i++)
17523 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17524 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17525 if (appData.debugMode) {
17526 fprintf(debugFP, "FEN castling rights:");
17527 for(i=0; i<nrCastlingRights; i++)
17528 fprintf(debugFP, " %d", board[CASTLING][i]);
17529 fprintf(debugFP, "\n");
17532 while(*p==' ') p++;
17535 /* read e.p. field in games that know e.p. capture */
17536 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17537 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17538 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17540 p++; board[EP_STATUS] = EP_NONE;
17542 char c = *p++ - AAA;
17544 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17545 if(*p >= '0' && *p <='9') p++;
17546 board[EP_STATUS] = c;
17551 if(sscanf(p, "%d", &i) == 1) {
17552 FENrulePlies = i; /* 50-move ply counter */
17553 /* (The move number is still ignored) */
17560 EditPositionPasteFEN (char *fen)
17563 Board initial_position;
17565 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17566 DisplayError(_("Bad FEN position in clipboard"), 0);
17569 int savedBlackPlaysFirst = blackPlaysFirst;
17570 EditPositionEvent();
17571 blackPlaysFirst = savedBlackPlaysFirst;
17572 CopyBoard(boards[0], initial_position);
17573 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17574 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17575 DisplayBothClocks();
17576 DrawPosition(FALSE, boards[currentMove]);
17581 static char cseq[12] = "\\ ";
17584 set_cont_sequence (char *new_seq)
17589 // handle bad attempts to set the sequence
17591 return 0; // acceptable error - no debug
17593 len = strlen(new_seq);
17594 ret = (len > 0) && (len < sizeof(cseq));
17596 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17597 else if (appData.debugMode)
17598 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17603 reformat a source message so words don't cross the width boundary. internal
17604 newlines are not removed. returns the wrapped size (no null character unless
17605 included in source message). If dest is NULL, only calculate the size required
17606 for the dest buffer. lp argument indicats line position upon entry, and it's
17607 passed back upon exit.
17610 wrap (char *dest, char *src, int count, int width, int *lp)
17612 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17614 cseq_len = strlen(cseq);
17615 old_line = line = *lp;
17616 ansi = len = clen = 0;
17618 for (i=0; i < count; i++)
17620 if (src[i] == '\033')
17623 // if we hit the width, back up
17624 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17626 // store i & len in case the word is too long
17627 old_i = i, old_len = len;
17629 // find the end of the last word
17630 while (i && src[i] != ' ' && src[i] != '\n')
17636 // word too long? restore i & len before splitting it
17637 if ((old_i-i+clen) >= width)
17644 if (i && src[i-1] == ' ')
17647 if (src[i] != ' ' && src[i] != '\n')
17654 // now append the newline and continuation sequence
17659 strncpy(dest+len, cseq, cseq_len);
17667 dest[len] = src[i];
17671 if (src[i] == '\n')
17676 if (dest && appData.debugMode)
17678 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17679 count, width, line, len, *lp);
17680 show_bytes(debugFP, src, count);
17681 fprintf(debugFP, "\ndest: ");
17682 show_bytes(debugFP, dest, len);
17683 fprintf(debugFP, "\n");
17685 *lp = dest ? line : old_line;
17690 // [HGM] vari: routines for shelving variations
17691 Boolean modeRestore = FALSE;
17694 PushInner (int firstMove, int lastMove)
17696 int i, j, nrMoves = lastMove - firstMove;
17698 // push current tail of game on stack
17699 savedResult[storedGames] = gameInfo.result;
17700 savedDetails[storedGames] = gameInfo.resultDetails;
17701 gameInfo.resultDetails = NULL;
17702 savedFirst[storedGames] = firstMove;
17703 savedLast [storedGames] = lastMove;
17704 savedFramePtr[storedGames] = framePtr;
17705 framePtr -= nrMoves; // reserve space for the boards
17706 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17707 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17708 for(j=0; j<MOVE_LEN; j++)
17709 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17710 for(j=0; j<2*MOVE_LEN; j++)
17711 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17712 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17713 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17714 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17715 pvInfoList[firstMove+i-1].depth = 0;
17716 commentList[framePtr+i] = commentList[firstMove+i];
17717 commentList[firstMove+i] = NULL;
17721 forwardMostMove = firstMove; // truncate game so we can start variation
17725 PushTail (int firstMove, int lastMove)
17727 if(appData.icsActive) { // only in local mode
17728 forwardMostMove = currentMove; // mimic old ICS behavior
17731 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17733 PushInner(firstMove, lastMove);
17734 if(storedGames == 1) GreyRevert(FALSE);
17735 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17739 PopInner (Boolean annotate)
17742 char buf[8000], moveBuf[20];
17744 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17745 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17746 nrMoves = savedLast[storedGames] - currentMove;
17749 if(!WhiteOnMove(currentMove))
17750 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17751 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17752 for(i=currentMove; i<forwardMostMove; i++) {
17754 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17755 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17756 strcat(buf, moveBuf);
17757 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17758 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17762 for(i=1; i<=nrMoves; i++) { // copy last variation back
17763 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17764 for(j=0; j<MOVE_LEN; j++)
17765 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17766 for(j=0; j<2*MOVE_LEN; j++)
17767 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17768 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17769 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17770 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17771 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17772 commentList[currentMove+i] = commentList[framePtr+i];
17773 commentList[framePtr+i] = NULL;
17775 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17776 framePtr = savedFramePtr[storedGames];
17777 gameInfo.result = savedResult[storedGames];
17778 if(gameInfo.resultDetails != NULL) {
17779 free(gameInfo.resultDetails);
17781 gameInfo.resultDetails = savedDetails[storedGames];
17782 forwardMostMove = currentMove + nrMoves;
17786 PopTail (Boolean annotate)
17788 if(appData.icsActive) return FALSE; // only in local mode
17789 if(!storedGames) return FALSE; // sanity
17790 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17792 PopInner(annotate);
17793 if(currentMove < forwardMostMove) ForwardEvent(); else
17794 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17796 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17802 { // remove all shelved variations
17804 for(i=0; i<storedGames; i++) {
17805 if(savedDetails[i])
17806 free(savedDetails[i]);
17807 savedDetails[i] = NULL;
17809 for(i=framePtr; i<MAX_MOVES; i++) {
17810 if(commentList[i]) free(commentList[i]);
17811 commentList[i] = NULL;
17813 framePtr = MAX_MOVES-1;
17818 LoadVariation (int index, char *text)
17819 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17820 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17821 int level = 0, move;
17823 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17824 // first find outermost bracketing variation
17825 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17826 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17827 if(*p == '{') wait = '}'; else
17828 if(*p == '[') wait = ']'; else
17829 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17830 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17832 if(*p == wait) wait = NULLCHAR; // closing ]} found
17835 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17836 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17837 end[1] = NULLCHAR; // clip off comment beyond variation
17838 ToNrEvent(currentMove-1);
17839 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17840 // kludge: use ParsePV() to append variation to game
17841 move = currentMove;
17842 ParsePV(start, TRUE, TRUE);
17843 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17844 ClearPremoveHighlights();
17846 ToNrEvent(currentMove+1);
17852 char *p, *q, buf[MSG_SIZ];
17853 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17854 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17855 ParseArgsFromString(buf);
17856 ActivateTheme(TRUE); // also redo colors
17860 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17863 q = appData.themeNames;
17864 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17865 if(appData.useBitmaps) {
17866 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17867 appData.liteBackTextureFile, appData.darkBackTextureFile,
17868 appData.liteBackTextureMode,
17869 appData.darkBackTextureMode );
17871 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17872 Col2Text(2), // lightSquareColor
17873 Col2Text(3) ); // darkSquareColor
17875 if(appData.useBorder) {
17876 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17879 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17881 if(appData.useFont) {
17882 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17883 appData.renderPiecesWithFont,
17884 appData.fontToPieceTable,
17885 Col2Text(9), // appData.fontBackColorWhite
17886 Col2Text(10) ); // appData.fontForeColorBlack
17888 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17889 appData.pieceDirectory);
17890 if(!appData.pieceDirectory[0])
17891 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17892 Col2Text(0), // whitePieceColor
17893 Col2Text(1) ); // blackPieceColor
17895 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17896 Col2Text(4), // highlightSquareColor
17897 Col2Text(5) ); // premoveHighlightColor
17898 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17899 if(insert != q) insert[-1] = NULLCHAR;
17900 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17903 ActivateTheme(FALSE);