2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
266 extern int tinyLayout, smallLayout;
267 ChessProgramStats programStats;
268 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
270 static int exiting = 0; /* [HGM] moved to top */
271 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
272 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
273 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
274 int partnerHighlight[2];
275 Boolean partnerBoardValid = 0;
276 char partnerStatus[MSG_SIZ];
278 Boolean originalFlip;
279 Boolean twoBoards = 0;
280 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
281 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
282 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
283 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
284 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
285 int opponentKibitzes;
286 int lastSavedGame; /* [HGM] save: ID of game */
287 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
288 extern int chatCount;
290 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
291 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
292 char lastMsg[MSG_SIZ];
293 char lastTalker[MSG_SIZ];
294 ChessSquare pieceSweep = EmptySquare;
295 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
296 int promoDefaultAltered;
297 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
298 static int initPing = -1;
299 int border; /* [HGM] width of board rim, needed to size seek graph */
300 char bestMove[MSG_SIZ], avoidMove[MSG_SIZ];
301 int solvingTime, totalTime;
303 /* States for ics_getting_history */
305 #define H_REQUESTED 1
306 #define H_GOT_REQ_HEADER 2
307 #define H_GOT_UNREQ_HEADER 3
308 #define H_GETTING_MOVES 4
309 #define H_GOT_UNWANTED_HEADER 5
311 /* whosays values for GameEnds */
320 /* Maximum number of games in a cmail message */
321 #define CMAIL_MAX_GAMES 20
323 /* Different types of move when calling RegisterMove */
325 #define CMAIL_RESIGN 1
327 #define CMAIL_ACCEPT 3
329 /* Different types of result to remember for each game */
330 #define CMAIL_NOT_RESULT 0
331 #define CMAIL_OLD_RESULT 1
332 #define CMAIL_NEW_RESULT 2
334 /* Telnet protocol constants */
345 safeStrCpy (char *dst, const char *src, size_t count)
348 assert( dst != NULL );
349 assert( src != NULL );
352 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
353 if( i == count && dst[count-1] != NULLCHAR)
355 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
356 if(appData.debugMode)
357 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
363 /* Some compiler can't cast u64 to double
364 * This function do the job for us:
366 * We use the highest bit for cast, this only
367 * works if the highest bit is not
368 * in use (This should not happen)
370 * We used this for all compiler
373 u64ToDouble (u64 value)
376 u64 tmp = value & u64Const(0x7fffffffffffffff);
377 r = (double)(s64)tmp;
378 if (value & u64Const(0x8000000000000000))
379 r += 9.2233720368547758080e18; /* 2^63 */
383 /* Fake up flags for now, as we aren't keeping track of castling
384 availability yet. [HGM] Change of logic: the flag now only
385 indicates the type of castlings allowed by the rule of the game.
386 The actual rights themselves are maintained in the array
387 castlingRights, as part of the game history, and are not probed
393 int flags = F_ALL_CASTLE_OK;
394 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
395 switch (gameInfo.variant) {
397 flags &= ~F_ALL_CASTLE_OK;
398 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
399 flags |= F_IGNORE_CHECK;
401 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
404 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
406 case VariantKriegspiel:
407 flags |= F_KRIEGSPIEL_CAPTURE;
409 case VariantCapaRandom:
410 case VariantFischeRandom:
411 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
412 case VariantNoCastle:
413 case VariantShatranj:
418 flags &= ~F_ALL_CASTLE_OK;
421 case VariantChuChess:
423 flags |= F_NULL_MOVE;
428 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
432 FILE *gameFileFP, *debugFP, *serverFP;
433 char *currentDebugFile; // [HGM] debug split: to remember name
436 [AS] Note: sometimes, the sscanf() function is used to parse the input
437 into a fixed-size buffer. Because of this, we must be prepared to
438 receive strings as long as the size of the input buffer, which is currently
439 set to 4K for Windows and 8K for the rest.
440 So, we must either allocate sufficiently large buffers here, or
441 reduce the size of the input buffer in the input reading part.
444 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
445 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
446 char thinkOutput1[MSG_SIZ*10];
447 char promoRestrict[MSG_SIZ];
449 ChessProgramState first, second, pairing;
451 /* premove variables */
454 int premoveFromX = 0;
455 int premoveFromY = 0;
456 int premovePromoChar = 0;
458 Boolean alarmSounded;
459 /* end premove variables */
461 char *ics_prefix = "$";
462 enum ICS_TYPE ics_type = ICS_GENERIC;
464 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
465 int pauseExamForwardMostMove = 0;
466 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
467 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
468 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
469 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
470 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
471 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
472 int whiteFlag = FALSE, blackFlag = FALSE;
473 int userOfferedDraw = FALSE;
474 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
475 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
476 int cmailMoveType[CMAIL_MAX_GAMES];
477 long ics_clock_paused = 0;
478 ProcRef icsPR = NoProc, cmailPR = NoProc;
479 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
480 GameMode gameMode = BeginningOfGame;
481 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
482 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
483 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
484 int hiddenThinkOutputState = 0; /* [AS] */
485 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
486 int adjudicateLossPlies = 6;
487 char white_holding[64], black_holding[64];
488 TimeMark lastNodeCountTime;
489 long lastNodeCount=0;
490 int shiftKey, controlKey; // [HGM] set by mouse handler
492 int have_sent_ICS_logon = 0;
494 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
495 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
496 Boolean adjustedClock;
497 long timeControl_2; /* [AS] Allow separate time controls */
498 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
499 long timeRemaining[2][MAX_MOVES];
500 int matchGame = 0, nextGame = 0, roundNr = 0;
501 Boolean waitingForGame = FALSE, startingEngine = FALSE;
502 TimeMark programStartTime, pauseStart;
503 char ics_handle[MSG_SIZ];
504 int have_set_title = 0;
506 /* animateTraining preserves the state of appData.animate
507 * when Training mode is activated. This allows the
508 * response to be animated when appData.animate == TRUE and
509 * appData.animateDragging == TRUE.
511 Boolean animateTraining;
517 Board boards[MAX_MOVES];
518 /* [HGM] Following 7 needed for accurate legality tests: */
519 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
520 unsigned char initialRights[BOARD_FILES];
521 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
522 int initialRulePlies, FENrulePlies;
523 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
525 Boolean shuffleOpenings;
526 int mute; // mute all sounds
528 // [HGM] vari: next 12 to save and restore variations
529 #define MAX_VARIATIONS 10
530 int framePtr = MAX_MOVES-1; // points to free stack entry
532 int savedFirst[MAX_VARIATIONS];
533 int savedLast[MAX_VARIATIONS];
534 int savedFramePtr[MAX_VARIATIONS];
535 char *savedDetails[MAX_VARIATIONS];
536 ChessMove savedResult[MAX_VARIATIONS];
538 void PushTail P((int firstMove, int lastMove));
539 Boolean PopTail P((Boolean annotate));
540 void PushInner P((int firstMove, int lastMove));
541 void PopInner P((Boolean annotate));
542 void CleanupTail P((void));
544 ChessSquare FIDEArray[2][BOARD_FILES] = {
545 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
546 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
547 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
548 BlackKing, BlackBishop, BlackKnight, BlackRook }
551 ChessSquare twoKingsArray[2][BOARD_FILES] = {
552 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
553 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
555 BlackKing, BlackKing, BlackKnight, BlackRook }
558 ChessSquare KnightmateArray[2][BOARD_FILES] = {
559 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
560 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
561 { BlackRook, BlackMan, BlackBishop, BlackQueen,
562 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
565 ChessSquare SpartanArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
567 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
568 { BlackAlfil, BlackDragon, BlackKing, BlackTower,
569 BlackTower, BlackKing, BlackAngel, BlackAlfil }
572 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
576 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
579 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
580 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
581 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
582 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
583 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
586 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
587 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
588 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
589 { BlackRook, BlackKnight, BlackMan, BlackFerz,
590 BlackKing, BlackMan, BlackKnight, BlackRook }
593 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
594 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
595 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
596 { BlackRook, BlackKnight, BlackMan, BlackFerz,
597 BlackKing, BlackMan, BlackKnight, BlackRook }
600 ChessSquare lionArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
602 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackLion, BlackBishop, BlackQueen,
604 BlackKing, BlackBishop, BlackKnight, BlackRook }
608 #if (BOARD_FILES>=10)
609 ChessSquare ShogiArray[2][BOARD_FILES] = {
610 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
611 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
612 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
613 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
616 ChessSquare XiangqiArray[2][BOARD_FILES] = {
617 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
618 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
619 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
620 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
623 ChessSquare CapablancaArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
625 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
627 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
630 ChessSquare GreatArray[2][BOARD_FILES] = {
631 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
632 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
633 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
634 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
637 ChessSquare JanusArray[2][BOARD_FILES] = {
638 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
639 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
640 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
641 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
644 ChessSquare GrandArray[2][BOARD_FILES] = {
645 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
646 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
647 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
648 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
651 ChessSquare ChuChessArray[2][BOARD_FILES] = {
652 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
653 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
654 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
655 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
659 ChessSquare GothicArray[2][BOARD_FILES] = {
660 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
661 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
662 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
663 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
666 #define GothicArray CapablancaArray
670 ChessSquare FalconArray[2][BOARD_FILES] = {
671 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
672 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
673 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
674 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
677 #define FalconArray CapablancaArray
680 #else // !(BOARD_FILES>=10)
681 #define XiangqiPosition FIDEArray
682 #define CapablancaArray FIDEArray
683 #define GothicArray FIDEArray
684 #define GreatArray FIDEArray
685 #endif // !(BOARD_FILES>=10)
687 #if (BOARD_FILES>=12)
688 ChessSquare CourierArray[2][BOARD_FILES] = {
689 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
690 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
691 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
692 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
694 ChessSquare ChuArray[6][BOARD_FILES] = {
695 { WhiteLance, WhiteCat, WhiteCopper, WhiteFerz, WhiteWazir, WhiteKing,
696 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteCopper, WhiteCat, WhiteLance },
697 { BlackLance, BlackCat, BlackCopper, BlackFerz, BlackWazir, BlackAlfil,
698 BlackKing, BlackWazir, BlackFerz, BlackCopper, BlackCat, BlackLance },
699 { WhiteAxe, EmptySquare, WhiteBishop, EmptySquare, WhiteClaw, WhiteMarshall,
700 WhiteAngel, WhiteClaw, EmptySquare, WhiteBishop, EmptySquare, WhiteAxe },
701 { BlackAxe, EmptySquare, BlackBishop, EmptySquare, BlackClaw, BlackAngel,
702 BlackMarshall, BlackClaw, EmptySquare, BlackBishop, EmptySquare, BlackAxe },
703 { WhiteDagger, WhiteSword, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
704 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSword, WhiteDagger },
705 { BlackDagger, BlackSword, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
706 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSword, BlackDagger }
708 #else // !(BOARD_FILES>=12)
709 #define CourierArray CapablancaArray
710 #define ChuArray CapablancaArray
711 #endif // !(BOARD_FILES>=12)
714 Board initialPosition;
717 /* Convert str to a rating. Checks for special cases of "----",
719 "++++", etc. Also strips ()'s */
721 string_to_rating (char *str)
723 while(*str && !isdigit(*str)) ++str;
725 return 0; /* One of the special "no rating" cases */
733 /* Init programStats */
734 programStats.movelist[0] = 0;
735 programStats.depth = 0;
736 programStats.nr_moves = 0;
737 programStats.moves_left = 0;
738 programStats.nodes = 0;
739 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
740 programStats.score = 0;
741 programStats.got_only_move = 0;
742 programStats.got_fail = 0;
743 programStats.line_is_book = 0;
748 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
749 if (appData.firstPlaysBlack) {
750 first.twoMachinesColor = "black\n";
751 second.twoMachinesColor = "white\n";
753 first.twoMachinesColor = "white\n";
754 second.twoMachinesColor = "black\n";
757 first.other = &second;
758 second.other = &first;
761 if(appData.timeOddsMode) {
762 norm = appData.timeOdds[0];
763 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
765 first.timeOdds = appData.timeOdds[0]/norm;
766 second.timeOdds = appData.timeOdds[1]/norm;
769 if(programVersion) free(programVersion);
770 if (appData.noChessProgram) {
771 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
772 sprintf(programVersion, "%s", PACKAGE_STRING);
774 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
775 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
776 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
781 UnloadEngine (ChessProgramState *cps)
783 /* Kill off first chess program */
784 if (cps->isr != NULL)
785 RemoveInputSource(cps->isr);
788 if (cps->pr != NoProc) {
790 DoSleep( appData.delayBeforeQuit );
791 SendToProgram("quit\n", cps);
792 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
795 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
799 ClearOptions (ChessProgramState *cps)
802 cps->nrOptions = cps->comboCnt = 0;
803 for(i=0; i<MAX_OPTIONS; i++) {
804 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
805 cps->option[i].textValue = 0;
809 char *engineNames[] = {
810 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
811 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
813 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
814 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
819 InitEngine (ChessProgramState *cps, int n)
820 { // [HGM] all engine initialiation put in a function that does one engine
824 cps->which = engineNames[n];
825 cps->maybeThinking = FALSE;
829 cps->sendDrawOffers = 1;
831 cps->program = appData.chessProgram[n];
832 cps->host = appData.host[n];
833 cps->dir = appData.directory[n];
834 cps->initString = appData.engInitString[n];
835 cps->computerString = appData.computerString[n];
836 cps->useSigint = TRUE;
837 cps->useSigterm = TRUE;
838 cps->reuse = appData.reuse[n];
839 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
840 cps->useSetboard = FALSE;
842 cps->usePing = FALSE;
845 cps->usePlayother = FALSE;
846 cps->useColors = TRUE;
847 cps->useUsermove = FALSE;
848 cps->sendICS = FALSE;
849 cps->sendName = appData.icsActive;
850 cps->sdKludge = FALSE;
851 cps->stKludge = FALSE;
852 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
853 TidyProgramName(cps->program, cps->host, cps->tidy);
855 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
856 cps->analysisSupport = 2; /* detect */
857 cps->analyzing = FALSE;
858 cps->initDone = FALSE;
860 cps->pseudo = appData.pseudo[n];
862 /* New features added by Tord: */
863 cps->useFEN960 = FALSE;
864 cps->useOOCastle = TRUE;
865 /* End of new features added by Tord. */
866 cps->fenOverride = appData.fenOverride[n];
868 /* [HGM] time odds: set factor for each machine */
869 cps->timeOdds = appData.timeOdds[n];
871 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
872 cps->accumulateTC = appData.accumulateTC[n];
873 cps->maxNrOfSessions = 1;
878 cps->drawDepth = appData.drawDepth[n];
879 cps->supportsNPS = UNKNOWN;
880 cps->memSize = FALSE;
881 cps->maxCores = FALSE;
882 ASSIGN(cps->egtFormats, "");
885 cps->optionSettings = appData.engOptions[n];
887 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
888 cps->isUCI = appData.isUCI[n]; /* [AS] */
889 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
892 if (appData.protocolVersion[n] > PROTOVER
893 || appData.protocolVersion[n] < 1)
898 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
899 appData.protocolVersion[n]);
900 if( (len >= MSG_SIZ) && appData.debugMode )
901 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
903 DisplayFatalError(buf, 0, 2);
907 cps->protocolVersion = appData.protocolVersion[n];
910 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
911 ParseFeatures(appData.featureDefaults, cps);
914 ChessProgramState *savCps;
922 if(WaitForEngine(savCps, LoadEngine)) return;
923 CommonEngineInit(); // recalculate time odds
924 if(gameInfo.variant != StringToVariant(appData.variant)) {
925 // we changed variant when loading the engine; this forces us to reset
926 Reset(TRUE, savCps != &first);
927 oldMode = BeginningOfGame; // to prevent restoring old mode
929 InitChessProgram(savCps, FALSE);
930 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
931 DisplayMessage("", "");
932 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
933 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
936 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
940 ReplaceEngine (ChessProgramState *cps, int n)
942 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
944 if(oldMode != BeginningOfGame) EditGameEvent();
947 appData.noChessProgram = FALSE;
948 appData.clockMode = TRUE;
951 if(n) return; // only startup first engine immediately; second can wait
952 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
956 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
957 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
959 static char resetOptions[] =
960 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
961 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
962 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
963 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
966 FloatToFront(char **list, char *engineLine)
968 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
970 if(appData.recentEngines <= 0) return;
971 TidyProgramName(engineLine, "localhost", tidy+1);
972 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
973 strncpy(buf+1, *list, MSG_SIZ-50);
974 if(p = strstr(buf, tidy)) { // tidy name appears in list
975 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
976 while(*p++ = *++q); // squeeze out
978 strcat(tidy, buf+1); // put list behind tidy name
979 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
980 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
981 ASSIGN(*list, tidy+1);
984 char *insert, *wbOptions, *currentEngine[2]; // point in ChessProgramNames were we should insert new engine
987 Load (ChessProgramState *cps, int i)
989 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
990 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
991 ASSIGN(currentEngine[i], engineLine);
992 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
993 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
994 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
995 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
996 appData.firstProtocolVersion = PROTOVER;
997 ParseArgsFromString(buf);
999 ReplaceEngine(cps, i);
1000 FloatToFront(&appData.recentEngineList, engineLine);
1001 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1005 while(q = strchr(p, SLASH)) p = q+1;
1006 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1007 if(engineDir[0] != NULLCHAR) {
1008 ASSIGN(appData.directory[i], engineDir); p = engineName;
1009 } else if(p != engineName) { // derive directory from engine path, when not given
1011 ASSIGN(appData.directory[i], engineName);
1013 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1014 } else { ASSIGN(appData.directory[i], "."); }
1015 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1017 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1018 snprintf(command, MSG_SIZ, "%s %s", p, params);
1021 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1022 ASSIGN(appData.chessProgram[i], p);
1023 appData.isUCI[i] = isUCI;
1024 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1025 appData.hasOwnBookUCI[i] = hasBook;
1026 if(!nickName[0]) useNick = FALSE;
1027 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1031 q = firstChessProgramNames;
1032 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1033 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1034 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s",
1035 quote, p, quote, appData.directory[i],
1036 useNick ? " -fn \"" : "",
1037 useNick ? nickName : "",
1038 useNick ? "\"" : "",
1039 v1 ? " -firstProtocolVersion 1" : "",
1040 hasBook ? "" : " -fNoOwnBookUCI",
1041 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1042 storeVariant ? " -variant " : "",
1043 storeVariant ? VariantName(gameInfo.variant) : "");
1044 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " %s", wbOptions);
1045 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 2);
1046 if(insert != q) insert[-1] = NULLCHAR;
1047 snprintf(firstChessProgramNames, len, "%s\n%s\n%s", q, buf, insert);
1049 FloatToFront(&appData.recentEngineList, buf);
1050 ASSIGN(currentEngine[i], buf);
1052 ReplaceEngine(cps, i);
1058 int matched, min, sec;
1060 * Parse timeControl resource
1062 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1063 appData.movesPerSession)) {
1065 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1066 DisplayFatalError(buf, 0, 2);
1070 * Parse searchTime resource
1072 if (*appData.searchTime != NULLCHAR) {
1073 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1075 searchTime = min * 60;
1076 } else if (matched == 2) {
1077 searchTime = min * 60 + sec;
1080 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1081 DisplayFatalError(buf, 0, 2);
1090 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1091 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1093 GetTimeMark(&programStartTime);
1094 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1095 appData.seedBase = random() + (random()<<15);
1096 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1098 ClearProgramStats();
1099 programStats.ok_to_send = 1;
1100 programStats.seen_stat = 0;
1103 * Initialize game list
1109 * Internet chess server status
1111 if (appData.icsActive) {
1112 appData.matchMode = FALSE;
1113 appData.matchGames = 0;
1115 appData.noChessProgram = !appData.zippyPlay;
1117 appData.zippyPlay = FALSE;
1118 appData.zippyTalk = FALSE;
1119 appData.noChessProgram = TRUE;
1121 if (*appData.icsHelper != NULLCHAR) {
1122 appData.useTelnet = TRUE;
1123 appData.telnetProgram = appData.icsHelper;
1126 appData.zippyTalk = appData.zippyPlay = FALSE;
1129 /* [AS] Initialize pv info list [HGM] and game state */
1133 for( i=0; i<=framePtr; i++ ) {
1134 pvInfoList[i].depth = -1;
1135 boards[i][EP_STATUS] = EP_NONE;
1136 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1142 /* [AS] Adjudication threshold */
1143 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1145 InitEngine(&first, 0);
1146 InitEngine(&second, 1);
1149 pairing.which = "pairing"; // pairing engine
1150 pairing.pr = NoProc;
1152 pairing.program = appData.pairingEngine;
1153 pairing.host = "localhost";
1156 if (appData.icsActive) {
1157 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1158 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1159 appData.clockMode = FALSE;
1160 first.sendTime = second.sendTime = 0;
1164 /* Override some settings from environment variables, for backward
1165 compatibility. Unfortunately it's not feasible to have the env
1166 vars just set defaults, at least in xboard. Ugh.
1168 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1173 if (!appData.icsActive) {
1177 /* Check for variants that are supported only in ICS mode,
1178 or not at all. Some that are accepted here nevertheless
1179 have bugs; see comments below.
1181 VariantClass variant = StringToVariant(appData.variant);
1183 case VariantBughouse: /* need four players and two boards */
1184 case VariantKriegspiel: /* need to hide pieces and move details */
1185 /* case VariantFischeRandom: (Fabien: moved below) */
1186 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1187 if( (len >= MSG_SIZ) && appData.debugMode )
1188 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1190 DisplayFatalError(buf, 0, 2);
1193 case VariantUnknown:
1194 case VariantLoadable:
1204 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1205 if( (len >= MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1208 DisplayFatalError(buf, 0, 2);
1211 case VariantNormal: /* definitely works! */
1212 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1213 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1216 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1217 case VariantFairy: /* [HGM] TestLegality definitely off! */
1218 case VariantGothic: /* [HGM] should work */
1219 case VariantCapablanca: /* [HGM] should work */
1220 case VariantCourier: /* [HGM] initial forced moves not implemented */
1221 case VariantShogi: /* [HGM] could still mate with pawn drop */
1222 case VariantChu: /* [HGM] experimental */
1223 case VariantKnightmate: /* [HGM] should work */
1224 case VariantCylinder: /* [HGM] untested */
1225 case VariantFalcon: /* [HGM] untested */
1226 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1227 offboard interposition not understood */
1228 case VariantWildCastle: /* pieces not automatically shuffled */
1229 case VariantNoCastle: /* pieces not automatically shuffled */
1230 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1231 case VariantLosers: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantSuicide: /* should work except for win condition,
1234 and doesn't know captures are mandatory */
1235 case VariantGiveaway: /* should work except for win condition,
1236 and doesn't know captures are mandatory */
1237 case VariantTwoKings: /* should work */
1238 case VariantAtomic: /* should work except for win condition */
1239 case Variant3Check: /* should work except for win condition */
1240 case VariantShatranj: /* should work except for all win conditions */
1241 case VariantMakruk: /* should work except for draw countdown */
1242 case VariantASEAN : /* should work except for draw countdown */
1243 case VariantBerolina: /* might work if TestLegality is off */
1244 case VariantCapaRandom: /* should work */
1245 case VariantJanus: /* should work */
1246 case VariantSuper: /* experimental */
1247 case VariantGreat: /* experimental, requires legality testing to be off */
1248 case VariantSChess: /* S-Chess, should work */
1249 case VariantGrand: /* should work */
1250 case VariantSpartan: /* should work */
1251 case VariantLion: /* should work */
1252 case VariantChuChess: /* should work */
1260 NextIntegerFromString (char ** str, long * value)
1265 while( *s == ' ' || *s == '\t' ) {
1271 if( *s >= '0' && *s <= '9' ) {
1272 while( *s >= '0' && *s <= '9' ) {
1273 *value = *value * 10 + (*s - '0');
1286 NextTimeControlFromString (char ** str, long * value)
1289 int result = NextIntegerFromString( str, &temp );
1292 *value = temp * 60; /* Minutes */
1293 if( **str == ':' ) {
1295 result = NextIntegerFromString( str, &temp );
1296 *value += temp; /* Seconds */
1304 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1305 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1306 int result = -1, type = 0; long temp, temp2;
1308 if(**str != ':') return -1; // old params remain in force!
1310 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1311 if( NextIntegerFromString( str, &temp ) ) return -1;
1312 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1315 /* time only: incremental or sudden-death time control */
1316 if(**str == '+') { /* increment follows; read it */
1318 if(**str == '!') type = *(*str)++; // Bronstein TC
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1320 *inc = temp2 * 1000;
1321 if(**str == '.') { // read fraction of increment
1322 char *start = ++(*str);
1323 if(result = NextIntegerFromString( str, &temp2)) return -1;
1325 while(start++ < *str) temp2 /= 10;
1329 *moves = 0; *tc = temp * 1000; *incType = type;
1333 (*str)++; /* classical time control */
1334 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1346 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1347 { /* [HGM] get time to add from the multi-session time-control string */
1348 int incType, moves=1; /* kludge to force reading of first session */
1349 long time, increment;
1352 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1354 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1355 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1356 if(movenr == -1) return time; /* last move before new session */
1357 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1358 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1359 if(!moves) return increment; /* current session is incremental */
1360 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1361 } while(movenr >= -1); /* try again for next session */
1363 return 0; // no new time quota on this move
1367 ParseTimeControl (char *tc, float ti, int mps)
1371 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1374 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1375 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1376 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1380 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1382 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1385 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1387 snprintf(buf, MSG_SIZ, ":%s", mytc);
1389 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1391 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1396 /* Parse second time control */
1399 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1407 timeControl_2 = tc2 * 1000;
1417 timeControl = tc1 * 1000;
1420 timeIncrement = ti * 1000; /* convert to ms */
1421 movesPerSession = 0;
1424 movesPerSession = mps;
1432 if (appData.debugMode) {
1433 # ifdef __GIT_VERSION
1434 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1436 fprintf(debugFP, "Version: %s\n", programVersion);
1439 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1441 set_cont_sequence(appData.wrapContSeq);
1442 if (appData.matchGames > 0) {
1443 appData.matchMode = TRUE;
1444 } else if (appData.matchMode) {
1445 appData.matchGames = 1;
1447 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1448 appData.matchGames = appData.sameColorGames;
1449 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1450 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1451 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1454 if (appData.noChessProgram || first.protocolVersion == 1) {
1457 /* kludge: allow timeout for initial "feature" commands */
1459 DisplayMessage("", _("Starting chess program"));
1460 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1465 CalculateIndex (int index, int gameNr)
1466 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1468 if(index > 0) return index; // fixed nmber
1469 if(index == 0) return 1;
1470 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1471 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1476 LoadGameOrPosition (int gameNr)
1477 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1478 if (*appData.loadGameFile != NULLCHAR) {
1479 if (!LoadGameFromFile(appData.loadGameFile,
1480 CalculateIndex(appData.loadGameIndex, gameNr),
1481 appData.loadGameFile, FALSE)) {
1482 DisplayFatalError(_("Bad game file"), 0, 1);
1485 } else if (*appData.loadPositionFile != NULLCHAR) {
1486 if (!LoadPositionFromFile(appData.loadPositionFile,
1487 CalculateIndex(appData.loadPositionIndex, gameNr),
1488 appData.loadPositionFile)) {
1489 DisplayFatalError(_("Bad position file"), 0, 1);
1497 ReserveGame (int gameNr, char resChar)
1499 FILE *tf = fopen(appData.tourneyFile, "r+");
1500 char *p, *q, c, buf[MSG_SIZ];
1501 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1502 safeStrCpy(buf, lastMsg, MSG_SIZ);
1503 DisplayMessage(_("Pick new game"), "");
1504 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1505 ParseArgsFromFile(tf);
1506 p = q = appData.results;
1507 if(appData.debugMode) {
1508 char *r = appData.participants;
1509 fprintf(debugFP, "results = '%s'\n", p);
1510 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1511 fprintf(debugFP, "\n");
1513 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1515 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1516 safeStrCpy(q, p, strlen(p) + 2);
1517 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1518 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1519 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1520 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1523 fseek(tf, -(strlen(p)+4), SEEK_END);
1525 if(c != '"') // depending on DOS or Unix line endings we can be one off
1526 fseek(tf, -(strlen(p)+2), SEEK_END);
1527 else fseek(tf, -(strlen(p)+3), SEEK_END);
1528 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1529 DisplayMessage(buf, "");
1530 free(p); appData.results = q;
1531 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1532 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1533 int round = appData.defaultMatchGames * appData.tourneyType;
1534 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1535 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1536 UnloadEngine(&first); // next game belongs to other pairing;
1537 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1539 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1543 MatchEvent (int mode)
1544 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1546 if(matchMode) { // already in match mode: switch it off
1548 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1551 // if(gameMode != BeginningOfGame) {
1552 // DisplayError(_("You can only start a match from the initial position."), 0);
1556 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1557 /* Set up machine vs. machine match */
1559 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1560 if(appData.tourneyFile[0]) {
1562 if(nextGame > appData.matchGames) {
1564 if(strchr(appData.results, '*') == NULL) {
1566 appData.tourneyCycles++;
1567 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1569 NextTourneyGame(-1, &dummy);
1571 if(nextGame <= appData.matchGames) {
1572 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1574 ScheduleDelayedEvent(NextMatchGame, 10000);
1579 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1580 DisplayError(buf, 0);
1581 appData.tourneyFile[0] = 0;
1585 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1586 DisplayFatalError(_("Can't have a match with no chess programs"),
1591 matchGame = roundNr = 1;
1592 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1597 InitBackEnd3 P((void))
1599 GameMode initialMode;
1603 ParseFeatures(appData.features[0], &first);
1604 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1605 !strcmp(appData.variant, "normal") && // no explicit variant request
1606 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1607 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1608 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1609 char c, *q = first.variants, *p = strchr(q, ',');
1610 if(p) *p = NULLCHAR;
1611 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1613 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1614 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1615 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1616 Reset(TRUE, FALSE); // and re-initialize
1621 InitChessProgram(&first, startedFromSetupPosition);
1623 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1624 free(programVersion);
1625 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1626 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1627 FloatToFront(&appData.recentEngineList, currentEngine[0] ? currentEngine[0] : appData.firstChessProgram);
1630 if (appData.icsActive) {
1632 /* [DM] Make a console window if needed [HGM] merged ifs */
1638 if (*appData.icsCommPort != NULLCHAR)
1639 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1640 appData.icsCommPort);
1642 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1643 appData.icsHost, appData.icsPort);
1645 if( (len >= MSG_SIZ) && appData.debugMode )
1646 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1648 DisplayFatalError(buf, err, 1);
1653 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1655 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1656 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1657 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1658 } else if (appData.noChessProgram) {
1664 if (*appData.cmailGameName != NULLCHAR) {
1666 OpenLoopback(&cmailPR);
1668 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1672 DisplayMessage("", "");
1673 if (StrCaseCmp(appData.initialMode, "") == 0) {
1674 initialMode = BeginningOfGame;
1675 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1676 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1677 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1678 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1681 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1682 initialMode = TwoMachinesPlay;
1683 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1684 initialMode = AnalyzeFile;
1685 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1686 initialMode = AnalyzeMode;
1687 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1688 initialMode = MachinePlaysWhite;
1689 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1690 initialMode = MachinePlaysBlack;
1691 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1692 initialMode = EditGame;
1693 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1694 initialMode = EditPosition;
1695 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1696 initialMode = Training;
1698 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1699 if( (len >= MSG_SIZ) && appData.debugMode )
1700 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1702 DisplayFatalError(buf, 0, 2);
1706 if (appData.matchMode) {
1707 if(appData.tourneyFile[0]) { // start tourney from command line
1709 if(f = fopen(appData.tourneyFile, "r")) {
1710 ParseArgsFromFile(f); // make sure tourney parmeters re known
1712 appData.clockMode = TRUE;
1714 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1717 } else if (*appData.cmailGameName != NULLCHAR) {
1718 /* Set up cmail mode */
1719 ReloadCmailMsgEvent(TRUE);
1721 /* Set up other modes */
1722 if (initialMode == AnalyzeFile) {
1723 if (*appData.loadGameFile == NULLCHAR) {
1724 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1728 if (*appData.loadGameFile != NULLCHAR) {
1729 (void) LoadGameFromFile(appData.loadGameFile,
1730 appData.loadGameIndex,
1731 appData.loadGameFile, TRUE);
1732 } else if (*appData.loadPositionFile != NULLCHAR) {
1733 (void) LoadPositionFromFile(appData.loadPositionFile,
1734 appData.loadPositionIndex,
1735 appData.loadPositionFile);
1736 /* [HGM] try to make self-starting even after FEN load */
1737 /* to allow automatic setup of fairy variants with wtm */
1738 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1739 gameMode = BeginningOfGame;
1740 setboardSpoiledMachineBlack = 1;
1742 /* [HGM] loadPos: make that every new game uses the setup */
1743 /* from file as long as we do not switch variant */
1744 if(!blackPlaysFirst) {
1745 startedFromPositionFile = TRUE;
1746 CopyBoard(filePosition, boards[0]);
1747 CopyBoard(initialPosition, boards[0]);
1749 } else if(*appData.fen != NULLCHAR) {
1750 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1751 startedFromPositionFile = TRUE;
1755 if (initialMode == AnalyzeMode) {
1756 if (appData.noChessProgram) {
1757 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1760 if (appData.icsActive) {
1761 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1765 } else if (initialMode == AnalyzeFile) {
1766 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1767 ShowThinkingEvent();
1769 AnalysisPeriodicEvent(1);
1770 } else if (initialMode == MachinePlaysWhite) {
1771 if (appData.noChessProgram) {
1772 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1776 if (appData.icsActive) {
1777 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1781 MachineWhiteEvent();
1782 } else if (initialMode == MachinePlaysBlack) {
1783 if (appData.noChessProgram) {
1784 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1788 if (appData.icsActive) {
1789 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1793 MachineBlackEvent();
1794 } else if (initialMode == TwoMachinesPlay) {
1795 if (appData.noChessProgram) {
1796 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1800 if (appData.icsActive) {
1801 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1806 } else if (initialMode == EditGame) {
1808 } else if (initialMode == EditPosition) {
1809 EditPositionEvent();
1810 } else if (initialMode == Training) {
1811 if (*appData.loadGameFile == NULLCHAR) {
1812 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1821 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1823 DisplayBook(current+1);
1825 MoveHistorySet( movelist, first, last, current, pvInfoList );
1827 EvalGraphSet( first, last, current, pvInfoList );
1829 MakeEngineOutputTitle();
1833 * Establish will establish a contact to a remote host.port.
1834 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1835 * used to talk to the host.
1836 * Returns 0 if okay, error code if not.
1843 if (*appData.icsCommPort != NULLCHAR) {
1844 /* Talk to the host through a serial comm port */
1845 return OpenCommPort(appData.icsCommPort, &icsPR);
1847 } else if (*appData.gateway != NULLCHAR) {
1848 if (*appData.remoteShell == NULLCHAR) {
1849 /* Use the rcmd protocol to run telnet program on a gateway host */
1850 snprintf(buf, sizeof(buf), "%s %s %s",
1851 appData.telnetProgram, appData.icsHost, appData.icsPort);
1852 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1855 /* Use the rsh program to run telnet program on a gateway host */
1856 if (*appData.remoteUser == NULLCHAR) {
1857 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1858 appData.gateway, appData.telnetProgram,
1859 appData.icsHost, appData.icsPort);
1861 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1862 appData.remoteShell, appData.gateway,
1863 appData.remoteUser, appData.telnetProgram,
1864 appData.icsHost, appData.icsPort);
1866 return StartChildProcess(buf, "", &icsPR);
1869 } else if (appData.useTelnet) {
1870 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1873 /* TCP socket interface differs somewhat between
1874 Unix and NT; handle details in the front end.
1876 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1881 EscapeExpand (char *p, char *q)
1882 { // [HGM] initstring: routine to shape up string arguments
1883 while(*p++ = *q++) if(p[-1] == '\\')
1885 case 'n': p[-1] = '\n'; break;
1886 case 'r': p[-1] = '\r'; break;
1887 case 't': p[-1] = '\t'; break;
1888 case '\\': p[-1] = '\\'; break;
1889 case 0: *p = 0; return;
1890 default: p[-1] = q[-1]; break;
1895 show_bytes (FILE *fp, char *buf, int count)
1898 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1899 fprintf(fp, "\\%03o", *buf & 0xff);
1908 /* Returns an errno value */
1910 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1912 char buf[8192], *p, *q, *buflim;
1913 int left, newcount, outcount;
1915 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1916 *appData.gateway != NULLCHAR) {
1917 if (appData.debugMode) {
1918 fprintf(debugFP, ">ICS: ");
1919 show_bytes(debugFP, message, count);
1920 fprintf(debugFP, "\n");
1922 return OutputToProcess(pr, message, count, outError);
1925 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1932 if (appData.debugMode) {
1933 fprintf(debugFP, ">ICS: ");
1934 show_bytes(debugFP, buf, newcount);
1935 fprintf(debugFP, "\n");
1937 outcount = OutputToProcess(pr, buf, newcount, outError);
1938 if (outcount < newcount) return -1; /* to be sure */
1945 } else if (((unsigned char) *p) == TN_IAC) {
1946 *q++ = (char) TN_IAC;
1953 if (appData.debugMode) {
1954 fprintf(debugFP, ">ICS: ");
1955 show_bytes(debugFP, buf, newcount);
1956 fprintf(debugFP, "\n");
1958 outcount = OutputToProcess(pr, buf, newcount, outError);
1959 if (outcount < newcount) return -1; /* to be sure */
1964 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1966 int outError, outCount;
1967 static int gotEof = 0;
1970 /* Pass data read from player on to ICS */
1973 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1974 if (outCount < count) {
1975 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1977 if(have_sent_ICS_logon == 2) {
1978 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1979 fprintf(ini, "%s", message);
1980 have_sent_ICS_logon = 3;
1982 have_sent_ICS_logon = 1;
1983 } else if(have_sent_ICS_logon == 3) {
1984 fprintf(ini, "%s", message);
1986 have_sent_ICS_logon = 1;
1988 } else if (count < 0) {
1989 RemoveInputSource(isr);
1990 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1991 } else if (gotEof++ > 0) {
1992 RemoveInputSource(isr);
1993 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1999 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
2000 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
2001 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2002 SendToICS("date\n");
2003 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2006 /* added routine for printf style output to ics */
2008 ics_printf (char *format, ...)
2010 char buffer[MSG_SIZ];
2013 va_start(args, format);
2014 vsnprintf(buffer, sizeof(buffer), format, args);
2015 buffer[sizeof(buffer)-1] = '\0';
2023 int count, outCount, outError;
2025 if (icsPR == NoProc) return;
2028 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2029 if (outCount < count) {
2030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2034 /* This is used for sending logon scripts to the ICS. Sending
2035 without a delay causes problems when using timestamp on ICC
2036 (at least on my machine). */
2038 SendToICSDelayed (char *s, long msdelay)
2040 int count, outCount, outError;
2042 if (icsPR == NoProc) return;
2045 if (appData.debugMode) {
2046 fprintf(debugFP, ">ICS: ");
2047 show_bytes(debugFP, s, count);
2048 fprintf(debugFP, "\n");
2050 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2052 if (outCount < count) {
2053 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2058 /* Remove all highlighting escape sequences in s
2059 Also deletes any suffix starting with '('
2062 StripHighlightAndTitle (char *s)
2064 static char retbuf[MSG_SIZ];
2067 while (*s != NULLCHAR) {
2068 while (*s == '\033') {
2069 while (*s != NULLCHAR && !isalpha(*s)) s++;
2070 if (*s != NULLCHAR) s++;
2072 while (*s != NULLCHAR && *s != '\033') {
2073 if (*s == '(' || *s == '[') {
2084 /* Remove all highlighting escape sequences in s */
2086 StripHighlight (char *s)
2088 static char retbuf[MSG_SIZ];
2091 while (*s != NULLCHAR) {
2092 while (*s == '\033') {
2093 while (*s != NULLCHAR && !isalpha(*s)) s++;
2094 if (*s != NULLCHAR) s++;
2096 while (*s != NULLCHAR && *s != '\033') {
2104 char engineVariant[MSG_SIZ];
2105 char *variantNames[] = VARIANT_NAMES;
2107 VariantName (VariantClass v)
2109 if(v == VariantUnknown || *engineVariant) return engineVariant;
2110 return variantNames[v];
2114 /* Identify a variant from the strings the chess servers use or the
2115 PGN Variant tag names we use. */
2117 StringToVariant (char *e)
2121 VariantClass v = VariantNormal;
2122 int i, found = FALSE;
2123 char buf[MSG_SIZ], c;
2128 /* [HGM] skip over optional board-size prefixes */
2129 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2130 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2131 while( *e++ != '_');
2134 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2138 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2139 if (p = StrCaseStr(e, variantNames[i])) {
2140 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2141 v = (VariantClass) i;
2148 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2149 || StrCaseStr(e, "wild/fr")
2150 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2151 v = VariantFischeRandom;
2152 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2153 (i = 1, p = StrCaseStr(e, "w"))) {
2155 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2162 case 0: /* FICS only, actually */
2164 /* Castling legal even if K starts on d-file */
2165 v = VariantWildCastle;
2170 /* Castling illegal even if K & R happen to start in
2171 normal positions. */
2172 v = VariantNoCastle;
2185 /* Castling legal iff K & R start in normal positions */
2191 /* Special wilds for position setup; unclear what to do here */
2192 v = VariantLoadable;
2195 /* Bizarre ICC game */
2196 v = VariantTwoKings;
2199 v = VariantKriegspiel;
2205 v = VariantFischeRandom;
2208 v = VariantCrazyhouse;
2211 v = VariantBughouse;
2217 /* Not quite the same as FICS suicide! */
2218 v = VariantGiveaway;
2224 v = VariantShatranj;
2227 /* Temporary names for future ICC types. The name *will* change in
2228 the next xboard/WinBoard release after ICC defines it. */
2266 v = VariantCapablanca;
2269 v = VariantKnightmate;
2275 v = VariantCylinder;
2281 v = VariantCapaRandom;
2284 v = VariantBerolina;
2296 /* Found "wild" or "w" in the string but no number;
2297 must assume it's normal chess. */
2301 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2302 if( (len >= MSG_SIZ) && appData.debugMode )
2303 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2305 DisplayError(buf, 0);
2311 if (appData.debugMode) {
2312 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2313 e, wnum, VariantName(v));
2318 static int leftover_start = 0, leftover_len = 0;
2319 char star_match[STAR_MATCH_N][MSG_SIZ];
2321 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2322 advance *index beyond it, and set leftover_start to the new value of
2323 *index; else return FALSE. If pattern contains the character '*', it
2324 matches any sequence of characters not containing '\r', '\n', or the
2325 character following the '*' (if any), and the matched sequence(s) are
2326 copied into star_match.
2329 looking_at ( char *buf, int *index, char *pattern)
2331 char *bufp = &buf[*index], *patternp = pattern;
2333 char *matchp = star_match[0];
2336 if (*patternp == NULLCHAR) {
2337 *index = leftover_start = bufp - buf;
2341 if (*bufp == NULLCHAR) return FALSE;
2342 if (*patternp == '*') {
2343 if (*bufp == *(patternp + 1)) {
2345 matchp = star_match[++star_count];
2349 } else if (*bufp == '\n' || *bufp == '\r') {
2351 if (*patternp == NULLCHAR)
2356 *matchp++ = *bufp++;
2360 if (*patternp != *bufp) return FALSE;
2367 SendToPlayer (char *data, int length)
2369 int error, outCount;
2370 outCount = OutputToProcess(NoProc, data, length, &error);
2371 if (outCount < length) {
2372 DisplayFatalError(_("Error writing to display"), error, 1);
2377 PackHolding (char packed[], char *holding)
2387 switch (runlength) {
2398 sprintf(q, "%d", runlength);
2410 /* Telnet protocol requests from the front end */
2412 TelnetRequest (unsigned char ddww, unsigned char option)
2414 unsigned char msg[3];
2415 int outCount, outError;
2417 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2419 if (appData.debugMode) {
2420 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2436 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2445 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2448 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2453 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2455 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2462 if (!appData.icsActive) return;
2463 TelnetRequest(TN_DO, TN_ECHO);
2469 if (!appData.icsActive) return;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2474 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2476 /* put the holdings sent to us by the server on the board holdings area */
2477 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2481 if(gameInfo.holdingsWidth < 2) return;
2482 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2483 return; // prevent overwriting by pre-board holdings
2485 if( (int)lowestPiece >= BlackPawn ) {
2488 holdingsStartRow = BOARD_HEIGHT-1;
2491 holdingsColumn = BOARD_WIDTH-1;
2492 countsColumn = BOARD_WIDTH-2;
2493 holdingsStartRow = 0;
2497 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2498 board[i][holdingsColumn] = EmptySquare;
2499 board[i][countsColumn] = (ChessSquare) 0;
2501 while( (p=*holdings++) != NULLCHAR ) {
2502 piece = CharToPiece( ToUpper(p) );
2503 if(piece == EmptySquare) continue;
2504 /*j = (int) piece - (int) WhitePawn;*/
2505 j = PieceToNumber(piece);
2506 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2507 if(j < 0) continue; /* should not happen */
2508 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2509 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2510 board[holdingsStartRow+j*direction][countsColumn]++;
2516 VariantSwitch (Board board, VariantClass newVariant)
2518 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2519 static Board oldBoard;
2521 startedFromPositionFile = FALSE;
2522 if(gameInfo.variant == newVariant) return;
2524 /* [HGM] This routine is called each time an assignment is made to
2525 * gameInfo.variant during a game, to make sure the board sizes
2526 * are set to match the new variant. If that means adding or deleting
2527 * holdings, we shift the playing board accordingly
2528 * This kludge is needed because in ICS observe mode, we get boards
2529 * of an ongoing game without knowing the variant, and learn about the
2530 * latter only later. This can be because of the move list we requested,
2531 * in which case the game history is refilled from the beginning anyway,
2532 * but also when receiving holdings of a crazyhouse game. In the latter
2533 * case we want to add those holdings to the already received position.
2537 if (appData.debugMode) {
2538 fprintf(debugFP, "Switch board from %s to %s\n",
2539 VariantName(gameInfo.variant), VariantName(newVariant));
2540 setbuf(debugFP, NULL);
2542 shuffleOpenings = 0; /* [HGM] shuffle */
2543 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2547 newWidth = 9; newHeight = 9;
2548 gameInfo.holdingsSize = 7;
2549 case VariantBughouse:
2550 case VariantCrazyhouse:
2551 newHoldingsWidth = 2; break;
2555 newHoldingsWidth = 2;
2556 gameInfo.holdingsSize = 8;
2559 case VariantCapablanca:
2560 case VariantCapaRandom:
2563 newHoldingsWidth = gameInfo.holdingsSize = 0;
2566 if(newWidth != gameInfo.boardWidth ||
2567 newHeight != gameInfo.boardHeight ||
2568 newHoldingsWidth != gameInfo.holdingsWidth ) {
2570 /* shift position to new playing area, if needed */
2571 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2572 for(i=0; i<BOARD_HEIGHT; i++)
2573 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2574 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2576 for(i=0; i<newHeight; i++) {
2577 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2578 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2580 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2581 for(i=0; i<BOARD_HEIGHT; i++)
2582 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2583 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2586 board[HOLDINGS_SET] = 0;
2587 gameInfo.boardWidth = newWidth;
2588 gameInfo.boardHeight = newHeight;
2589 gameInfo.holdingsWidth = newHoldingsWidth;
2590 gameInfo.variant = newVariant;
2591 InitDrawingSizes(-2, 0);
2592 } else gameInfo.variant = newVariant;
2593 CopyBoard(oldBoard, board); // remember correctly formatted board
2594 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2595 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2598 static int loggedOn = FALSE;
2600 /*-- Game start info cache: --*/
2602 char gs_kind[MSG_SIZ];
2603 static char player1Name[128] = "";
2604 static char player2Name[128] = "";
2605 static char cont_seq[] = "\n\\ ";
2606 static int player1Rating = -1;
2607 static int player2Rating = -1;
2608 /*----------------------------*/
2610 ColorClass curColor = ColorNormal;
2611 int suppressKibitz = 0;
2614 Boolean soughtPending = FALSE;
2615 Boolean seekGraphUp;
2616 #define MAX_SEEK_ADS 200
2618 char *seekAdList[MAX_SEEK_ADS];
2619 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2620 float tcList[MAX_SEEK_ADS];
2621 char colorList[MAX_SEEK_ADS];
2622 int nrOfSeekAds = 0;
2623 int minRating = 1010, maxRating = 2800;
2624 int hMargin = 10, vMargin = 20, h, w;
2625 extern int squareSize, lineGap;
2630 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2631 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2632 if(r < minRating+100 && r >=0 ) r = minRating+100;
2633 if(r > maxRating) r = maxRating;
2634 if(tc < 1.f) tc = 1.f;
2635 if(tc > 95.f) tc = 95.f;
2636 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2637 y = ((double)r - minRating)/(maxRating - minRating)
2638 * (h-vMargin-squareSize/8-1) + vMargin;
2639 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2640 if(strstr(seekAdList[i], " u ")) color = 1;
2641 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2642 !strstr(seekAdList[i], "bullet") &&
2643 !strstr(seekAdList[i], "blitz") &&
2644 !strstr(seekAdList[i], "standard") ) color = 2;
2645 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2646 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2650 PlotSingleSeekAd (int i)
2656 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2658 char buf[MSG_SIZ], *ext = "";
2659 VariantClass v = StringToVariant(type);
2660 if(strstr(type, "wild")) {
2661 ext = type + 4; // append wild number
2662 if(v == VariantFischeRandom) type = "chess960"; else
2663 if(v == VariantLoadable) type = "setup"; else
2664 type = VariantName(v);
2666 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2667 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2668 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2669 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2670 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2671 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2672 seekNrList[nrOfSeekAds] = nr;
2673 zList[nrOfSeekAds] = 0;
2674 seekAdList[nrOfSeekAds++] = StrSave(buf);
2675 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2680 EraseSeekDot (int i)
2682 int x = xList[i], y = yList[i], d=squareSize/4, k;
2683 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2684 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2685 // now replot every dot that overlapped
2686 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2687 int xx = xList[k], yy = yList[k];
2688 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2689 DrawSeekDot(xx, yy, colorList[k]);
2694 RemoveSeekAd (int nr)
2697 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2699 if(seekAdList[i]) free(seekAdList[i]);
2700 seekAdList[i] = seekAdList[--nrOfSeekAds];
2701 seekNrList[i] = seekNrList[nrOfSeekAds];
2702 ratingList[i] = ratingList[nrOfSeekAds];
2703 colorList[i] = colorList[nrOfSeekAds];
2704 tcList[i] = tcList[nrOfSeekAds];
2705 xList[i] = xList[nrOfSeekAds];
2706 yList[i] = yList[nrOfSeekAds];
2707 zList[i] = zList[nrOfSeekAds];
2708 seekAdList[nrOfSeekAds] = NULL;
2714 MatchSoughtLine (char *line)
2716 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2717 int nr, base, inc, u=0; char dummy;
2719 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2720 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2722 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2723 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2724 // match: compact and save the line
2725 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2735 if(!seekGraphUp) return FALSE;
2736 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2737 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2739 DrawSeekBackground(0, 0, w, h);
2740 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2741 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2742 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2743 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2745 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2748 snprintf(buf, MSG_SIZ, "%d", i);
2749 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2752 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2753 for(i=1; i<100; i+=(i<10?1:5)) {
2754 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2755 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2756 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2758 snprintf(buf, MSG_SIZ, "%d", i);
2759 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2762 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2767 SeekGraphClick (ClickType click, int x, int y, int moving)
2769 static int lastDown = 0, displayed = 0, lastSecond;
2770 if(y < 0) return FALSE;
2771 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2772 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2773 if(!seekGraphUp) return FALSE;
2774 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2775 DrawPosition(TRUE, NULL);
2778 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2779 if(click == Release || moving) return FALSE;
2781 soughtPending = TRUE;
2782 SendToICS(ics_prefix);
2783 SendToICS("sought\n"); // should this be "sought all"?
2784 } else { // issue challenge based on clicked ad
2785 int dist = 10000; int i, closest = 0, second = 0;
2786 for(i=0; i<nrOfSeekAds; i++) {
2787 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2788 if(d < dist) { dist = d; closest = i; }
2789 second += (d - zList[i] < 120); // count in-range ads
2790 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2794 second = (second > 1);
2795 if(displayed != closest || second != lastSecond) {
2796 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2797 lastSecond = second; displayed = closest;
2799 if(click == Press) {
2800 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2803 } // on press 'hit', only show info
2804 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2805 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2806 SendToICS(ics_prefix);
2808 return TRUE; // let incoming board of started game pop down the graph
2809 } else if(click == Release) { // release 'miss' is ignored
2810 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2811 if(moving == 2) { // right up-click
2812 nrOfSeekAds = 0; // refresh graph
2813 soughtPending = TRUE;
2814 SendToICS(ics_prefix);
2815 SendToICS("sought\n"); // should this be "sought all"?
2818 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2819 // press miss or release hit 'pop down' seek graph
2820 seekGraphUp = FALSE;
2821 DrawPosition(TRUE, NULL);
2827 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2829 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2830 #define STARTED_NONE 0
2831 #define STARTED_MOVES 1
2832 #define STARTED_BOARD 2
2833 #define STARTED_OBSERVE 3
2834 #define STARTED_HOLDINGS 4
2835 #define STARTED_CHATTER 5
2836 #define STARTED_COMMENT 6
2837 #define STARTED_MOVES_NOHIDE 7
2839 static int started = STARTED_NONE;
2840 static char parse[20000];
2841 static int parse_pos = 0;
2842 static char buf[BUF_SIZE + 1];
2843 static int firstTime = TRUE, intfSet = FALSE;
2844 static ColorClass prevColor = ColorNormal;
2845 static int savingComment = FALSE;
2846 static int cmatch = 0; // continuation sequence match
2853 int backup; /* [DM] For zippy color lines */
2855 char talker[MSG_SIZ]; // [HGM] chat
2856 int channel, collective=0;
2858 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2860 if (appData.debugMode) {
2862 fprintf(debugFP, "<ICS: ");
2863 show_bytes(debugFP, data, count);
2864 fprintf(debugFP, "\n");
2868 if (appData.debugMode) { int f = forwardMostMove;
2869 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2870 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2871 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2874 /* If last read ended with a partial line that we couldn't parse,
2875 prepend it to the new read and try again. */
2876 if (leftover_len > 0) {
2877 for (i=0; i<leftover_len; i++)
2878 buf[i] = buf[leftover_start + i];
2881 /* copy new characters into the buffer */
2882 bp = buf + leftover_len;
2883 buf_len=leftover_len;
2884 for (i=0; i<count; i++)
2887 if (data[i] == '\r')
2890 // join lines split by ICS?
2891 if (!appData.noJoin)
2894 Joining just consists of finding matches against the
2895 continuation sequence, and discarding that sequence
2896 if found instead of copying it. So, until a match
2897 fails, there's nothing to do since it might be the
2898 complete sequence, and thus, something we don't want
2901 if (data[i] == cont_seq[cmatch])
2904 if (cmatch == strlen(cont_seq))
2906 cmatch = 0; // complete match. just reset the counter
2909 it's possible for the ICS to not include the space
2910 at the end of the last word, making our [correct]
2911 join operation fuse two separate words. the server
2912 does this when the space occurs at the width setting.
2914 if (!buf_len || buf[buf_len-1] != ' ')
2925 match failed, so we have to copy what matched before
2926 falling through and copying this character. In reality,
2927 this will only ever be just the newline character, but
2928 it doesn't hurt to be precise.
2930 strncpy(bp, cont_seq, cmatch);
2942 buf[buf_len] = NULLCHAR;
2943 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2948 while (i < buf_len) {
2949 /* Deal with part of the TELNET option negotiation
2950 protocol. We refuse to do anything beyond the
2951 defaults, except that we allow the WILL ECHO option,
2952 which ICS uses to turn off password echoing when we are
2953 directly connected to it. We reject this option
2954 if localLineEditing mode is on (always on in xboard)
2955 and we are talking to port 23, which might be a real
2956 telnet server that will try to keep WILL ECHO on permanently.
2958 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2959 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2960 unsigned char option;
2962 switch ((unsigned char) buf[++i]) {
2964 if (appData.debugMode)
2965 fprintf(debugFP, "\n<WILL ");
2966 switch (option = (unsigned char) buf[++i]) {
2968 if (appData.debugMode)
2969 fprintf(debugFP, "ECHO ");
2970 /* Reply only if this is a change, according
2971 to the protocol rules. */
2972 if (remoteEchoOption) break;
2973 if (appData.localLineEditing &&
2974 atoi(appData.icsPort) == TN_PORT) {
2975 TelnetRequest(TN_DONT, TN_ECHO);
2978 TelnetRequest(TN_DO, TN_ECHO);
2979 remoteEchoOption = TRUE;
2983 if (appData.debugMode)
2984 fprintf(debugFP, "%d ", option);
2985 /* Whatever this is, we don't want it. */
2986 TelnetRequest(TN_DONT, option);
2991 if (appData.debugMode)
2992 fprintf(debugFP, "\n<WONT ");
2993 switch (option = (unsigned char) buf[++i]) {
2995 if (appData.debugMode)
2996 fprintf(debugFP, "ECHO ");
2997 /* Reply only if this is a change, according
2998 to the protocol rules. */
2999 if (!remoteEchoOption) break;
3001 TelnetRequest(TN_DONT, TN_ECHO);
3002 remoteEchoOption = FALSE;
3005 if (appData.debugMode)
3006 fprintf(debugFP, "%d ", (unsigned char) option);
3007 /* Whatever this is, it must already be turned
3008 off, because we never agree to turn on
3009 anything non-default, so according to the
3010 protocol rules, we don't reply. */
3015 if (appData.debugMode)
3016 fprintf(debugFP, "\n<DO ");
3017 switch (option = (unsigned char) buf[++i]) {
3019 /* Whatever this is, we refuse to do it. */
3020 if (appData.debugMode)
3021 fprintf(debugFP, "%d ", option);
3022 TelnetRequest(TN_WONT, option);
3027 if (appData.debugMode)
3028 fprintf(debugFP, "\n<DONT ");
3029 switch (option = (unsigned char) buf[++i]) {
3031 if (appData.debugMode)
3032 fprintf(debugFP, "%d ", option);
3033 /* Whatever this is, we are already not doing
3034 it, because we never agree to do anything
3035 non-default, so according to the protocol
3036 rules, we don't reply. */
3041 if (appData.debugMode)
3042 fprintf(debugFP, "\n<IAC ");
3043 /* Doubled IAC; pass it through */
3047 if (appData.debugMode)
3048 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3049 /* Drop all other telnet commands on the floor */
3052 if (oldi > next_out)
3053 SendToPlayer(&buf[next_out], oldi - next_out);
3059 /* OK, this at least will *usually* work */
3060 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3064 if (loggedOn && !intfSet) {
3065 if (ics_type == ICS_ICC) {
3066 snprintf(str, MSG_SIZ,
3067 "/set-quietly interface %s\n/set-quietly style 12\n",
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "/set-2 51 1\n/set seek 1\n");
3071 } else if (ics_type == ICS_CHESSNET) {
3072 snprintf(str, MSG_SIZ, "/style 12\n");
3074 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3075 strcat(str, programVersion);
3076 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3077 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3078 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3080 strcat(str, "$iset nohighlight 1\n");
3082 strcat(str, "$iset lock 1\n$style 12\n");
3085 NotifyFrontendLogin();
3089 if (started == STARTED_COMMENT) {
3090 /* Accumulate characters in comment */
3091 parse[parse_pos++] = buf[i];
3092 if (buf[i] == '\n') {
3093 parse[parse_pos] = NULLCHAR;
3094 if(chattingPartner>=0) {
3096 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3097 OutputChatMessage(chattingPartner, mess);
3098 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3100 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3101 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3102 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3103 OutputChatMessage(p, mess);
3107 chattingPartner = -1;
3108 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3111 if(!suppressKibitz) // [HGM] kibitz
3112 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3113 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3114 int nrDigit = 0, nrAlph = 0, j;
3115 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3116 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3117 parse[parse_pos] = NULLCHAR;
3118 // try to be smart: if it does not look like search info, it should go to
3119 // ICS interaction window after all, not to engine-output window.
3120 for(j=0; j<parse_pos; j++) { // count letters and digits
3121 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3122 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3123 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3125 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3126 int depth=0; float score;
3127 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3128 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3129 pvInfoList[forwardMostMove-1].depth = depth;
3130 pvInfoList[forwardMostMove-1].score = 100*score;
3132 OutputKibitz(suppressKibitz, parse);
3135 if(gameMode == IcsObserving) // restore original ICS messages
3136 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3137 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3139 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3140 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3141 SendToPlayer(tmp, strlen(tmp));
3143 next_out = i+1; // [HGM] suppress printing in ICS window
3145 started = STARTED_NONE;
3147 /* Don't match patterns against characters in comment */
3152 if (started == STARTED_CHATTER) {
3153 if (buf[i] != '\n') {
3154 /* Don't match patterns against characters in chatter */
3158 started = STARTED_NONE;
3159 if(suppressKibitz) next_out = i+1;
3162 /* Kludge to deal with rcmd protocol */
3163 if (firstTime && looking_at(buf, &i, "\001*")) {
3164 DisplayFatalError(&buf[1], 0, 1);
3170 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3173 if (appData.debugMode)
3174 fprintf(debugFP, "ics_type %d\n", ics_type);
3177 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3178 ics_type = ICS_FICS;
3180 if (appData.debugMode)
3181 fprintf(debugFP, "ics_type %d\n", ics_type);
3184 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3185 ics_type = ICS_CHESSNET;
3187 if (appData.debugMode)
3188 fprintf(debugFP, "ics_type %d\n", ics_type);
3193 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3194 looking_at(buf, &i, "Logging you in as \"*\"") ||
3195 looking_at(buf, &i, "will be \"*\""))) {
3196 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3200 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3202 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3203 DisplayIcsInteractionTitle(buf);
3204 have_set_title = TRUE;
3207 /* skip finger notes */
3208 if (started == STARTED_NONE &&
3209 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3210 (buf[i] == '1' && buf[i+1] == '0')) &&
3211 buf[i+2] == ':' && buf[i+3] == ' ') {
3212 started = STARTED_CHATTER;
3218 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3219 if(appData.seekGraph) {
3220 if(soughtPending && MatchSoughtLine(buf+i)) {
3221 i = strstr(buf+i, "rated") - buf;
3222 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3223 next_out = leftover_start = i;
3224 started = STARTED_CHATTER;
3225 suppressKibitz = TRUE;
3228 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3229 && looking_at(buf, &i, "* ads displayed")) {
3230 soughtPending = FALSE;
3235 if(appData.autoRefresh) {
3236 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3237 int s = (ics_type == ICS_ICC); // ICC format differs
3239 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3240 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3241 looking_at(buf, &i, "*% "); // eat prompt
3242 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3243 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3244 next_out = i; // suppress
3247 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3248 char *p = star_match[0];
3250 if(seekGraphUp) RemoveSeekAd(atoi(p));
3251 while(*p && *p++ != ' '); // next
3253 looking_at(buf, &i, "*% "); // eat prompt
3254 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3261 /* skip formula vars */
3262 if (started == STARTED_NONE &&
3263 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3264 started = STARTED_CHATTER;
3269 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3270 if (appData.autoKibitz && started == STARTED_NONE &&
3271 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3272 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3273 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3274 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3275 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3276 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3277 suppressKibitz = TRUE;
3278 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3280 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3281 && (gameMode == IcsPlayingWhite)) ||
3282 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3283 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3284 started = STARTED_CHATTER; // own kibitz we simply discard
3286 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3287 parse_pos = 0; parse[0] = NULLCHAR;
3288 savingComment = TRUE;
3289 suppressKibitz = gameMode != IcsObserving ? 2 :
3290 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3294 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3295 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3296 && atoi(star_match[0])) {
3297 // suppress the acknowledgements of our own autoKibitz
3299 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3300 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3301 SendToPlayer(star_match[0], strlen(star_match[0]));
3302 if(looking_at(buf, &i, "*% ")) // eat prompt
3303 suppressKibitz = FALSE;
3307 } // [HGM] kibitz: end of patch
3309 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3311 // [HGM] chat: intercept tells by users for which we have an open chat window
3313 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3314 looking_at(buf, &i, "* whispers:") ||
3315 looking_at(buf, &i, "* kibitzes:") ||
3316 looking_at(buf, &i, "* shouts:") ||
3317 looking_at(buf, &i, "* c-shouts:") ||
3318 looking_at(buf, &i, "--> * ") ||
3319 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3321 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3322 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3324 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3325 chattingPartner = -1; collective = 0;
3327 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3328 for(p=0; p<MAX_CHAT; p++) {
3330 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3331 talker[0] = '['; strcat(talker, "] ");
3332 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("kibitzes", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3345 for(p=0; p<MAX_CHAT; p++) {
3347 if(!strcmp("whispers", chatPartner[p])) {
3348 talker[0] = '['; strcat(talker, "] ");
3349 chattingPartner = p; break;
3352 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3353 if(buf[i-8] == '-' && buf[i-3] == 't')
3354 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3356 if(!strcmp("c-shouts", chatPartner[p])) {
3357 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3358 chattingPartner = p; break;
3361 if(chattingPartner < 0)
3362 for(p=0; p<MAX_CHAT; p++) {
3364 if(!strcmp("shouts", chatPartner[p])) {
3365 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3366 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3367 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3368 chattingPartner = p; break;
3372 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3373 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3375 Colorize(ColorTell, FALSE);
3376 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3378 chattingPartner = p; break;
3380 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3381 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3382 started = STARTED_COMMENT;
3383 parse_pos = 0; parse[0] = NULLCHAR;
3384 savingComment = 3 + chattingPartner; // counts as TRUE
3385 if(collective == 3) i = oldi; else {
3386 suppressKibitz = TRUE;
3387 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3388 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3392 } // [HGM] chat: end of patch
3395 if (appData.zippyTalk || appData.zippyPlay) {
3396 /* [DM] Backup address for color zippy lines */
3398 if (loggedOn == TRUE)
3399 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3400 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3403 } // [DM] 'else { ' deleted
3405 /* Regular tells and says */
3406 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3407 looking_at(buf, &i, "* (your partner) tells you: ") ||
3408 looking_at(buf, &i, "* says: ") ||
3409 /* Don't color "message" or "messages" output */
3410 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3411 looking_at(buf, &i, "*. * at *:*: ") ||
3412 looking_at(buf, &i, "--* (*:*): ") ||
3413 /* Message notifications (same color as tells) */
3414 looking_at(buf, &i, "* has left a message ") ||
3415 looking_at(buf, &i, "* just sent you a message:\n") ||
3416 /* Whispers and kibitzes */
3417 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3418 looking_at(buf, &i, "* kibitzes: ") ||
3420 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3422 if (tkind == 1 && strchr(star_match[0], ':')) {
3423 /* Avoid "tells you:" spoofs in channels */
3426 if (star_match[0][0] == NULLCHAR ||
3427 strchr(star_match[0], ' ') ||
3428 (tkind == 3 && strchr(star_match[1], ' '))) {
3429 /* Reject bogus matches */
3432 if (appData.colorize) {
3433 if (oldi > next_out) {
3434 SendToPlayer(&buf[next_out], oldi - next_out);
3439 Colorize(ColorTell, FALSE);
3440 curColor = ColorTell;
3443 Colorize(ColorKibitz, FALSE);
3444 curColor = ColorKibitz;
3447 p = strrchr(star_match[1], '(');
3454 Colorize(ColorChannel1, FALSE);
3455 curColor = ColorChannel1;
3457 Colorize(ColorChannel, FALSE);
3458 curColor = ColorChannel;
3462 curColor = ColorNormal;
3466 if (started == STARTED_NONE && appData.autoComment &&
3467 (gameMode == IcsObserving ||
3468 gameMode == IcsPlayingWhite ||
3469 gameMode == IcsPlayingBlack)) {
3470 parse_pos = i - oldi;
3471 memcpy(parse, &buf[oldi], parse_pos);
3472 parse[parse_pos] = NULLCHAR;
3473 started = STARTED_COMMENT;
3474 savingComment = TRUE;
3475 } else if(collective != 3) {
3476 started = STARTED_CHATTER;
3477 savingComment = FALSE;
3484 if (looking_at(buf, &i, "* s-shouts: ") ||
3485 looking_at(buf, &i, "* c-shouts: ")) {
3486 if (appData.colorize) {
3487 if (oldi > next_out) {
3488 SendToPlayer(&buf[next_out], oldi - next_out);
3491 Colorize(ColorSShout, FALSE);
3492 curColor = ColorSShout;
3495 started = STARTED_CHATTER;
3499 if (looking_at(buf, &i, "--->")) {
3504 if (looking_at(buf, &i, "* shouts: ") ||
3505 looking_at(buf, &i, "--> ")) {
3506 if (appData.colorize) {
3507 if (oldi > next_out) {
3508 SendToPlayer(&buf[next_out], oldi - next_out);
3511 Colorize(ColorShout, FALSE);
3512 curColor = ColorShout;
3515 started = STARTED_CHATTER;
3519 if (looking_at( buf, &i, "Challenge:")) {
3520 if (appData.colorize) {
3521 if (oldi > next_out) {
3522 SendToPlayer(&buf[next_out], oldi - next_out);
3525 Colorize(ColorChallenge, FALSE);
3526 curColor = ColorChallenge;
3532 if (looking_at(buf, &i, "* offers you") ||
3533 looking_at(buf, &i, "* offers to be") ||
3534 looking_at(buf, &i, "* would like to") ||
3535 looking_at(buf, &i, "* requests to") ||
3536 looking_at(buf, &i, "Your opponent offers") ||
3537 looking_at(buf, &i, "Your opponent requests")) {
3539 if (appData.colorize) {
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 Colorize(ColorRequest, FALSE);
3545 curColor = ColorRequest;
3550 if (looking_at(buf, &i, "* (*) seeking")) {
3551 if (appData.colorize) {
3552 if (oldi > next_out) {
3553 SendToPlayer(&buf[next_out], oldi - next_out);
3556 Colorize(ColorSeek, FALSE);
3557 curColor = ColorSeek;
3562 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3564 if (looking_at(buf, &i, "\\ ")) {
3565 if (prevColor != ColorNormal) {
3566 if (oldi > next_out) {
3567 SendToPlayer(&buf[next_out], oldi - next_out);
3570 Colorize(prevColor, TRUE);
3571 curColor = prevColor;
3573 if (savingComment) {
3574 parse_pos = i - oldi;
3575 memcpy(parse, &buf[oldi], parse_pos);
3576 parse[parse_pos] = NULLCHAR;
3577 started = STARTED_COMMENT;
3578 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3579 chattingPartner = savingComment - 3; // kludge to remember the box
3581 started = STARTED_CHATTER;
3586 if (looking_at(buf, &i, "Black Strength :") ||
3587 looking_at(buf, &i, "<<< style 10 board >>>") ||
3588 looking_at(buf, &i, "<10>") ||
3589 looking_at(buf, &i, "#@#")) {
3590 /* Wrong board style */
3592 SendToICS(ics_prefix);
3593 SendToICS("set style 12\n");
3594 SendToICS(ics_prefix);
3595 SendToICS("refresh\n");
3599 if (looking_at(buf, &i, "login:")) {
3600 if (!have_sent_ICS_logon) {
3602 have_sent_ICS_logon = 1;
3603 else // no init script was found
3604 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3605 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3606 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3611 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3612 (looking_at(buf, &i, "\n<12> ") ||
3613 looking_at(buf, &i, "<12> "))) {
3615 if (oldi > next_out) {
3616 SendToPlayer(&buf[next_out], oldi - next_out);
3619 started = STARTED_BOARD;
3624 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3625 looking_at(buf, &i, "<b1> ")) {
3626 if (oldi > next_out) {
3627 SendToPlayer(&buf[next_out], oldi - next_out);
3630 started = STARTED_HOLDINGS;
3635 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3637 /* Header for a move list -- first line */
3639 switch (ics_getting_history) {
3643 case BeginningOfGame:
3644 /* User typed "moves" or "oldmoves" while we
3645 were idle. Pretend we asked for these
3646 moves and soak them up so user can step
3647 through them and/or save them.
3650 gameMode = IcsObserving;
3653 ics_getting_history = H_GOT_UNREQ_HEADER;
3655 case EditGame: /*?*/
3656 case EditPosition: /*?*/
3657 /* Should above feature work in these modes too? */
3658 /* For now it doesn't */
3659 ics_getting_history = H_GOT_UNWANTED_HEADER;
3662 ics_getting_history = H_GOT_UNWANTED_HEADER;
3667 /* Is this the right one? */
3668 if (gameInfo.white && gameInfo.black &&
3669 strcmp(gameInfo.white, star_match[0]) == 0 &&
3670 strcmp(gameInfo.black, star_match[2]) == 0) {
3672 ics_getting_history = H_GOT_REQ_HEADER;
3675 case H_GOT_REQ_HEADER:
3676 case H_GOT_UNREQ_HEADER:
3677 case H_GOT_UNWANTED_HEADER:
3678 case H_GETTING_MOVES:
3679 /* Should not happen */
3680 DisplayError(_("Error gathering move list: two headers"), 0);
3681 ics_getting_history = H_FALSE;
3685 /* Save player ratings into gameInfo if needed */
3686 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3687 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3688 (gameInfo.whiteRating == -1 ||
3689 gameInfo.blackRating == -1)) {
3691 gameInfo.whiteRating = string_to_rating(star_match[1]);
3692 gameInfo.blackRating = string_to_rating(star_match[3]);
3693 if (appData.debugMode)
3694 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3695 gameInfo.whiteRating, gameInfo.blackRating);
3700 if (looking_at(buf, &i,
3701 "* * match, initial time: * minute*, increment: * second")) {
3702 /* Header for a move list -- second line */
3703 /* Initial board will follow if this is a wild game */
3704 if (gameInfo.event != NULL) free(gameInfo.event);
3705 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3706 gameInfo.event = StrSave(str);
3707 /* [HGM] we switched variant. Translate boards if needed. */
3708 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3712 if (looking_at(buf, &i, "Move ")) {
3713 /* Beginning of a move list */
3714 switch (ics_getting_history) {
3716 /* Normally should not happen */
3717 /* Maybe user hit reset while we were parsing */
3720 /* Happens if we are ignoring a move list that is not
3721 * the one we just requested. Common if the user
3722 * tries to observe two games without turning off
3725 case H_GETTING_MOVES:
3726 /* Should not happen */
3727 DisplayError(_("Error gathering move list: nested"), 0);
3728 ics_getting_history = H_FALSE;
3730 case H_GOT_REQ_HEADER:
3731 ics_getting_history = H_GETTING_MOVES;
3732 started = STARTED_MOVES;
3734 if (oldi > next_out) {
3735 SendToPlayer(&buf[next_out], oldi - next_out);
3738 case H_GOT_UNREQ_HEADER:
3739 ics_getting_history = H_GETTING_MOVES;
3740 started = STARTED_MOVES_NOHIDE;
3743 case H_GOT_UNWANTED_HEADER:
3744 ics_getting_history = H_FALSE;
3750 if (looking_at(buf, &i, "% ") ||
3751 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3752 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3753 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3754 soughtPending = FALSE;
3758 if(suppressKibitz) next_out = i;
3759 savingComment = FALSE;
3763 case STARTED_MOVES_NOHIDE:
3764 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3765 parse[parse_pos + i - oldi] = NULLCHAR;
3766 ParseGameHistory(parse);
3768 if (appData.zippyPlay && first.initDone) {
3769 FeedMovesToProgram(&first, forwardMostMove);
3770 if (gameMode == IcsPlayingWhite) {
3771 if (WhiteOnMove(forwardMostMove)) {
3772 if (first.sendTime) {
3773 if (first.useColors) {
3774 SendToProgram("black\n", &first);
3776 SendTimeRemaining(&first, TRUE);
3778 if (first.useColors) {
3779 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3782 first.maybeThinking = TRUE;
3784 if (first.usePlayother) {
3785 if (first.sendTime) {
3786 SendTimeRemaining(&first, TRUE);
3788 SendToProgram("playother\n", &first);
3794 } else if (gameMode == IcsPlayingBlack) {
3795 if (!WhiteOnMove(forwardMostMove)) {
3796 if (first.sendTime) {
3797 if (first.useColors) {
3798 SendToProgram("white\n", &first);
3800 SendTimeRemaining(&first, FALSE);
3802 if (first.useColors) {
3803 SendToProgram("black\n", &first);
3805 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3806 first.maybeThinking = TRUE;
3808 if (first.usePlayother) {
3809 if (first.sendTime) {
3810 SendTimeRemaining(&first, FALSE);
3812 SendToProgram("playother\n", &first);
3821 if (gameMode == IcsObserving && ics_gamenum == -1) {
3822 /* Moves came from oldmoves or moves command
3823 while we weren't doing anything else.
3825 currentMove = forwardMostMove;
3826 ClearHighlights();/*!!could figure this out*/
3827 flipView = appData.flipView;
3828 DrawPosition(TRUE, boards[currentMove]);
3829 DisplayBothClocks();
3830 snprintf(str, MSG_SIZ, "%s %s %s",
3831 gameInfo.white, _("vs."), gameInfo.black);
3835 /* Moves were history of an active game */
3836 if (gameInfo.resultDetails != NULL) {
3837 free(gameInfo.resultDetails);
3838 gameInfo.resultDetails = NULL;
3841 HistorySet(parseList, backwardMostMove,
3842 forwardMostMove, currentMove-1);
3843 DisplayMove(currentMove - 1);
3844 if (started == STARTED_MOVES) next_out = i;
3845 started = STARTED_NONE;
3846 ics_getting_history = H_FALSE;
3849 case STARTED_OBSERVE:
3850 started = STARTED_NONE;
3851 SendToICS(ics_prefix);
3852 SendToICS("refresh\n");
3858 if(bookHit) { // [HGM] book: simulate book reply
3859 static char bookMove[MSG_SIZ]; // a bit generous?
3861 programStats.nodes = programStats.depth = programStats.time =
3862 programStats.score = programStats.got_only_move = 0;
3863 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3865 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3866 strcat(bookMove, bookHit);
3867 HandleMachineMove(bookMove, &first);
3872 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3873 started == STARTED_HOLDINGS ||
3874 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3875 /* Accumulate characters in move list or board */
3876 parse[parse_pos++] = buf[i];
3879 /* Start of game messages. Mostly we detect start of game
3880 when the first board image arrives. On some versions
3881 of the ICS, though, we need to do a "refresh" after starting
3882 to observe in order to get the current board right away. */
3883 if (looking_at(buf, &i, "Adding game * to observation list")) {
3884 started = STARTED_OBSERVE;
3888 /* Handle auto-observe */
3889 if (appData.autoObserve &&
3890 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3891 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3893 /* Choose the player that was highlighted, if any. */
3894 if (star_match[0][0] == '\033' ||
3895 star_match[1][0] != '\033') {
3896 player = star_match[0];
3898 player = star_match[2];
3900 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3901 ics_prefix, StripHighlightAndTitle(player));
3904 /* Save ratings from notify string */
3905 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3906 player1Rating = string_to_rating(star_match[1]);
3907 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3908 player2Rating = string_to_rating(star_match[3]);
3910 if (appData.debugMode)
3912 "Ratings from 'Game notification:' %s %d, %s %d\n",
3913 player1Name, player1Rating,
3914 player2Name, player2Rating);
3919 /* Deal with automatic examine mode after a game,
3920 and with IcsObserving -> IcsExamining transition */
3921 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3922 looking_at(buf, &i, "has made you an examiner of game *")) {
3924 int gamenum = atoi(star_match[0]);
3925 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3926 gamenum == ics_gamenum) {
3927 /* We were already playing or observing this game;
3928 no need to refetch history */
3929 gameMode = IcsExamining;
3931 pauseExamForwardMostMove = forwardMostMove;
3932 } else if (currentMove < forwardMostMove) {
3933 ForwardInner(forwardMostMove);
3936 /* I don't think this case really can happen */
3937 SendToICS(ics_prefix);
3938 SendToICS("refresh\n");
3943 /* Error messages */
3944 // if (ics_user_moved) {
3945 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3946 if (looking_at(buf, &i, "Illegal move") ||
3947 looking_at(buf, &i, "Not a legal move") ||
3948 looking_at(buf, &i, "Your king is in check") ||
3949 looking_at(buf, &i, "It isn't your turn") ||
3950 looking_at(buf, &i, "It is not your move")) {
3952 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3953 currentMove = forwardMostMove-1;
3954 DisplayMove(currentMove - 1); /* before DMError */
3955 DrawPosition(FALSE, boards[currentMove]);
3956 SwitchClocks(forwardMostMove-1); // [HGM] race
3957 DisplayBothClocks();
3959 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3965 if (looking_at(buf, &i, "still have time") ||
3966 looking_at(buf, &i, "not out of time") ||
3967 looking_at(buf, &i, "either player is out of time") ||
3968 looking_at(buf, &i, "has timeseal; checking")) {
3969 /* We must have called his flag a little too soon */
3970 whiteFlag = blackFlag = FALSE;
3974 if (looking_at(buf, &i, "added * seconds to") ||
3975 looking_at(buf, &i, "seconds were added to")) {
3976 /* Update the clocks */
3977 SendToICS(ics_prefix);
3978 SendToICS("refresh\n");
3982 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3983 ics_clock_paused = TRUE;
3988 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3989 ics_clock_paused = FALSE;
3994 /* Grab player ratings from the Creating: message.
3995 Note we have to check for the special case when
3996 the ICS inserts things like [white] or [black]. */
3997 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3998 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
4000 0 player 1 name (not necessarily white)
4002 2 empty, white, or black (IGNORED)
4003 3 player 2 name (not necessarily black)
4006 The names/ratings are sorted out when the game
4007 actually starts (below).
4009 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4010 player1Rating = string_to_rating(star_match[1]);
4011 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4012 player2Rating = string_to_rating(star_match[4]);
4014 if (appData.debugMode)
4016 "Ratings from 'Creating:' %s %d, %s %d\n",
4017 player1Name, player1Rating,
4018 player2Name, player2Rating);
4023 /* Improved generic start/end-of-game messages */
4024 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4025 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4026 /* If tkind == 0: */
4027 /* star_match[0] is the game number */
4028 /* [1] is the white player's name */
4029 /* [2] is the black player's name */
4030 /* For end-of-game: */
4031 /* [3] is the reason for the game end */
4032 /* [4] is a PGN end game-token, preceded by " " */
4033 /* For start-of-game: */
4034 /* [3] begins with "Creating" or "Continuing" */
4035 /* [4] is " *" or empty (don't care). */
4036 int gamenum = atoi(star_match[0]);
4037 char *whitename, *blackname, *why, *endtoken;
4038 ChessMove endtype = EndOfFile;
4041 whitename = star_match[1];
4042 blackname = star_match[2];
4043 why = star_match[3];
4044 endtoken = star_match[4];
4046 whitename = star_match[1];
4047 blackname = star_match[3];
4048 why = star_match[5];
4049 endtoken = star_match[6];
4052 /* Game start messages */
4053 if (strncmp(why, "Creating ", 9) == 0 ||
4054 strncmp(why, "Continuing ", 11) == 0) {
4055 gs_gamenum = gamenum;
4056 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4057 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4058 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4060 if (appData.zippyPlay) {
4061 ZippyGameStart(whitename, blackname);
4064 partnerBoardValid = FALSE; // [HGM] bughouse
4068 /* Game end messages */
4069 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4070 ics_gamenum != gamenum) {
4073 while (endtoken[0] == ' ') endtoken++;
4074 switch (endtoken[0]) {
4077 endtype = GameUnfinished;
4080 endtype = BlackWins;
4083 if (endtoken[1] == '/')
4084 endtype = GameIsDrawn;
4086 endtype = WhiteWins;
4089 GameEnds(endtype, why, GE_ICS);
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyGameEnd(endtype, why);
4093 if (first.pr == NoProc) {
4094 /* Start the next process early so that we'll
4095 be ready for the next challenge */
4096 StartChessProgram(&first);
4098 /* Send "new" early, in case this command takes
4099 a long time to finish, so that we'll be ready
4100 for the next challenge. */
4101 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4105 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4109 if (looking_at(buf, &i, "Removing game * from observation") ||
4110 looking_at(buf, &i, "no longer observing game *") ||
4111 looking_at(buf, &i, "Game * (*) has no examiners")) {
4112 if (gameMode == IcsObserving &&
4113 atoi(star_match[0]) == ics_gamenum)
4115 /* icsEngineAnalyze */
4116 if (appData.icsEngineAnalyze) {
4123 ics_user_moved = FALSE;
4128 if (looking_at(buf, &i, "no longer examining game *")) {
4129 if (gameMode == IcsExamining &&
4130 atoi(star_match[0]) == ics_gamenum)
4134 ics_user_moved = FALSE;
4139 /* Advance leftover_start past any newlines we find,
4140 so only partial lines can get reparsed */
4141 if (looking_at(buf, &i, "\n")) {
4142 prevColor = curColor;
4143 if (curColor != ColorNormal) {
4144 if (oldi > next_out) {
4145 SendToPlayer(&buf[next_out], oldi - next_out);
4148 Colorize(ColorNormal, FALSE);
4149 curColor = ColorNormal;
4151 if (started == STARTED_BOARD) {
4152 started = STARTED_NONE;
4153 parse[parse_pos] = NULLCHAR;
4154 ParseBoard12(parse);
4157 /* Send premove here */
4158 if (appData.premove) {
4160 if (currentMove == 0 &&
4161 gameMode == IcsPlayingWhite &&
4162 appData.premoveWhite) {
4163 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4164 if (appData.debugMode)
4165 fprintf(debugFP, "Sending premove:\n");
4167 } else if (currentMove == 1 &&
4168 gameMode == IcsPlayingBlack &&
4169 appData.premoveBlack) {
4170 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4171 if (appData.debugMode)
4172 fprintf(debugFP, "Sending premove:\n");
4174 } else if (gotPremove) {
4175 int oldFMM = forwardMostMove;
4177 ClearPremoveHighlights();
4178 if (appData.debugMode)
4179 fprintf(debugFP, "Sending premove:\n");
4180 UserMoveEvent(premoveFromX, premoveFromY,
4181 premoveToX, premoveToY,
4183 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4184 if(moveList[oldFMM-1][1] != '@')
4185 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4186 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4188 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4193 /* Usually suppress following prompt */
4194 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4195 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4196 if (looking_at(buf, &i, "*% ")) {
4197 savingComment = FALSE;
4202 } else if (started == STARTED_HOLDINGS) {
4204 char new_piece[MSG_SIZ];
4205 started = STARTED_NONE;
4206 parse[parse_pos] = NULLCHAR;
4207 if (appData.debugMode)
4208 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4209 parse, currentMove);
4210 if (sscanf(parse, " game %d", &gamenum) == 1) {
4211 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4212 if (gameInfo.variant == VariantNormal) {
4213 /* [HGM] We seem to switch variant during a game!
4214 * Presumably no holdings were displayed, so we have
4215 * to move the position two files to the right to
4216 * create room for them!
4218 VariantClass newVariant;
4219 switch(gameInfo.boardWidth) { // base guess on board width
4220 case 9: newVariant = VariantShogi; break;
4221 case 10: newVariant = VariantGreat; break;
4222 default: newVariant = VariantCrazyhouse; break;
4224 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4225 /* Get a move list just to see the header, which
4226 will tell us whether this is really bug or zh */
4227 if (ics_getting_history == H_FALSE) {
4228 ics_getting_history = H_REQUESTED;
4229 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4233 new_piece[0] = NULLCHAR;
4234 sscanf(parse, "game %d white [%s black [%s <- %s",
4235 &gamenum, white_holding, black_holding,
4237 white_holding[strlen(white_holding)-1] = NULLCHAR;
4238 black_holding[strlen(black_holding)-1] = NULLCHAR;
4239 /* [HGM] copy holdings to board holdings area */
4240 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4241 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4242 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4244 if (appData.zippyPlay && first.initDone) {
4245 ZippyHoldings(white_holding, black_holding,
4249 if (tinyLayout || smallLayout) {
4250 char wh[16], bh[16];
4251 PackHolding(wh, white_holding);
4252 PackHolding(bh, black_holding);
4253 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4254 gameInfo.white, gameInfo.black);
4256 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4257 gameInfo.white, white_holding, _("vs."),
4258 gameInfo.black, black_holding);
4260 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4261 DrawPosition(FALSE, boards[currentMove]);
4263 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4264 sscanf(parse, "game %d white [%s black [%s <- %s",
4265 &gamenum, white_holding, black_holding,
4267 white_holding[strlen(white_holding)-1] = NULLCHAR;
4268 black_holding[strlen(black_holding)-1] = NULLCHAR;
4269 /* [HGM] copy holdings to partner-board holdings area */
4270 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4271 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4272 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4273 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4274 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4277 /* Suppress following prompt */
4278 if (looking_at(buf, &i, "*% ")) {
4279 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4280 savingComment = FALSE;
4288 i++; /* skip unparsed character and loop back */
4291 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4292 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4293 // SendToPlayer(&buf[next_out], i - next_out);
4294 started != STARTED_HOLDINGS && leftover_start > next_out) {
4295 SendToPlayer(&buf[next_out], leftover_start - next_out);
4299 leftover_len = buf_len - leftover_start;
4300 /* if buffer ends with something we couldn't parse,
4301 reparse it after appending the next read */
4303 } else if (count == 0) {
4304 RemoveInputSource(isr);
4305 DisplayFatalError(_("Connection closed by ICS"), 0, 6666);
4307 DisplayFatalError(_("Error reading from ICS"), error, 1);
4312 /* Board style 12 looks like this:
4314 <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
4316 * The "<12> " is stripped before it gets to this routine. The two
4317 * trailing 0's (flip state and clock ticking) are later addition, and
4318 * some chess servers may not have them, or may have only the first.
4319 * Additional trailing fields may be added in the future.
4322 #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"
4324 #define RELATION_OBSERVING_PLAYED 0
4325 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4326 #define RELATION_PLAYING_MYMOVE 1
4327 #define RELATION_PLAYING_NOTMYMOVE -1
4328 #define RELATION_EXAMINING 2
4329 #define RELATION_ISOLATED_BOARD -3
4330 #define RELATION_STARTING_POSITION -4 /* FICS only */
4333 ParseBoard12 (char *string)
4337 char *bookHit = NULL; // [HGM] book
4339 GameMode newGameMode;
4340 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4341 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4342 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4343 char to_play, board_chars[200];
4344 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4345 char black[32], white[32];
4347 int prevMove = currentMove;
4350 int fromX, fromY, toX, toY;
4352 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4353 Boolean weird = FALSE, reqFlag = FALSE;
4355 fromX = fromY = toX = toY = -1;
4359 if (appData.debugMode)
4360 fprintf(debugFP, "Parsing board: %s\n", string);
4362 move_str[0] = NULLCHAR;
4363 elapsed_time[0] = NULLCHAR;
4364 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4366 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4367 if(string[i] == ' ') { ranks++; files = 0; }
4369 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4372 for(j = 0; j <i; j++) board_chars[j] = string[j];
4373 board_chars[i] = '\0';
4376 n = sscanf(string, PATTERN, &to_play, &double_push,
4377 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4378 &gamenum, white, black, &relation, &basetime, &increment,
4379 &white_stren, &black_stren, &white_time, &black_time,
4380 &moveNum, str, elapsed_time, move_str, &ics_flip,
4384 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4385 DisplayError(str, 0);
4389 /* Convert the move number to internal form */
4390 moveNum = (moveNum - 1) * 2;
4391 if (to_play == 'B') moveNum++;
4392 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4393 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4399 case RELATION_OBSERVING_PLAYED:
4400 case RELATION_OBSERVING_STATIC:
4401 if (gamenum == -1) {
4402 /* Old ICC buglet */
4403 relation = RELATION_OBSERVING_STATIC;
4405 newGameMode = IcsObserving;
4407 case RELATION_PLAYING_MYMOVE:
4408 case RELATION_PLAYING_NOTMYMOVE:
4410 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4411 IcsPlayingWhite : IcsPlayingBlack;
4412 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4414 case RELATION_EXAMINING:
4415 newGameMode = IcsExamining;
4417 case RELATION_ISOLATED_BOARD:
4419 /* Just display this board. If user was doing something else,
4420 we will forget about it until the next board comes. */
4421 newGameMode = IcsIdle;
4423 case RELATION_STARTING_POSITION:
4424 newGameMode = gameMode;
4428 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4429 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4430 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4431 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4432 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4433 static int lastBgGame = -1;
4435 for (k = 0; k < ranks; k++) {
4436 for (j = 0; j < files; j++)
4437 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4438 if(gameInfo.holdingsWidth > 1) {
4439 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4440 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4443 CopyBoard(partnerBoard, board);
4444 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4445 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4446 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4447 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4448 if(toSqr = strchr(str, '-')) {
4449 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4450 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4451 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4452 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4453 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4454 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4456 DisplayWhiteClock(white_time*fac, to_play == 'W');
4457 DisplayBlackClock(black_time*fac, to_play != 'W');
4458 activePartner = to_play;
4459 if(gamenum != lastBgGame) {
4461 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4464 lastBgGame = gamenum;
4465 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4466 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4467 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4468 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4469 if(!twoBoards) DisplayMessage(partnerStatus, "");
4470 partnerBoardValid = TRUE;
4474 if(appData.dualBoard && appData.bgObserve) {
4475 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4476 SendToICS(ics_prefix), SendToICS("pobserve\n");
4477 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4479 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4484 /* Modify behavior for initial board display on move listing
4487 switch (ics_getting_history) {
4491 case H_GOT_REQ_HEADER:
4492 case H_GOT_UNREQ_HEADER:
4493 /* This is the initial position of the current game */
4494 gamenum = ics_gamenum;
4495 moveNum = 0; /* old ICS bug workaround */
4496 if (to_play == 'B') {
4497 startedFromSetupPosition = TRUE;
4498 blackPlaysFirst = TRUE;
4500 if (forwardMostMove == 0) forwardMostMove = 1;
4501 if (backwardMostMove == 0) backwardMostMove = 1;
4502 if (currentMove == 0) currentMove = 1;
4504 newGameMode = gameMode;
4505 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4507 case H_GOT_UNWANTED_HEADER:
4508 /* This is an initial board that we don't want */
4510 case H_GETTING_MOVES:
4511 /* Should not happen */
4512 DisplayError(_("Error gathering move list: extra board"), 0);
4513 ics_getting_history = H_FALSE;
4517 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4518 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4519 weird && (int)gameInfo.variant < (int)VariantShogi) {
4520 /* [HGM] We seem to have switched variant unexpectedly
4521 * Try to guess new variant from board size
4523 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4524 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4525 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4526 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4527 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4528 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4529 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4530 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4531 /* Get a move list just to see the header, which
4532 will tell us whether this is really bug or zh */
4533 if (ics_getting_history == H_FALSE) {
4534 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4535 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4540 /* Take action if this is the first board of a new game, or of a
4541 different game than is currently being displayed. */
4542 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4543 relation == RELATION_ISOLATED_BOARD) {
4545 /* Forget the old game and get the history (if any) of the new one */
4546 if (gameMode != BeginningOfGame) {
4550 if (appData.autoRaiseBoard) BoardToTop();
4552 if (gamenum == -1) {
4553 newGameMode = IcsIdle;
4554 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4555 appData.getMoveList && !reqFlag) {
4556 /* Need to get game history */
4557 ics_getting_history = H_REQUESTED;
4558 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4562 /* Initially flip the board to have black on the bottom if playing
4563 black or if the ICS flip flag is set, but let the user change
4564 it with the Flip View button. */
4565 flipView = appData.autoFlipView ?
4566 (newGameMode == IcsPlayingBlack) || ics_flip :
4569 /* Done with values from previous mode; copy in new ones */
4570 gameMode = newGameMode;
4572 ics_gamenum = gamenum;
4573 if (gamenum == gs_gamenum) {
4574 int klen = strlen(gs_kind);
4575 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4576 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4577 gameInfo.event = StrSave(str);
4579 gameInfo.event = StrSave("ICS game");
4581 gameInfo.site = StrSave(appData.icsHost);
4582 gameInfo.date = PGNDate();
4583 gameInfo.round = StrSave("-");
4584 gameInfo.white = StrSave(white);
4585 gameInfo.black = StrSave(black);
4586 timeControl = basetime * 60 * 1000;
4588 timeIncrement = increment * 1000;
4589 movesPerSession = 0;
4590 gameInfo.timeControl = TimeControlTagValue();
4591 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4592 if (appData.debugMode) {
4593 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4594 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4595 setbuf(debugFP, NULL);
4598 gameInfo.outOfBook = NULL;
4600 /* Do we have the ratings? */
4601 if (strcmp(player1Name, white) == 0 &&
4602 strcmp(player2Name, black) == 0) {
4603 if (appData.debugMode)
4604 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4605 player1Rating, player2Rating);
4606 gameInfo.whiteRating = player1Rating;
4607 gameInfo.blackRating = player2Rating;
4608 } else if (strcmp(player2Name, white) == 0 &&
4609 strcmp(player1Name, black) == 0) {
4610 if (appData.debugMode)
4611 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4612 player2Rating, player1Rating);
4613 gameInfo.whiteRating = player2Rating;
4614 gameInfo.blackRating = player1Rating;
4616 player1Name[0] = player2Name[0] = NULLCHAR;
4618 /* Silence shouts if requested */
4619 if (appData.quietPlay &&
4620 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4621 SendToICS(ics_prefix);
4622 SendToICS("set shout 0\n");
4626 /* Deal with midgame name changes */
4628 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4629 if (gameInfo.white) free(gameInfo.white);
4630 gameInfo.white = StrSave(white);
4632 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4633 if (gameInfo.black) free(gameInfo.black);
4634 gameInfo.black = StrSave(black);
4638 /* Throw away game result if anything actually changes in examine mode */
4639 if (gameMode == IcsExamining && !newGame) {
4640 gameInfo.result = GameUnfinished;
4641 if (gameInfo.resultDetails != NULL) {
4642 free(gameInfo.resultDetails);
4643 gameInfo.resultDetails = NULL;
4647 /* In pausing && IcsExamining mode, we ignore boards coming
4648 in if they are in a different variation than we are. */
4649 if (pauseExamInvalid) return;
4650 if (pausing && gameMode == IcsExamining) {
4651 if (moveNum <= pauseExamForwardMostMove) {
4652 pauseExamInvalid = TRUE;
4653 forwardMostMove = pauseExamForwardMostMove;
4658 if (appData.debugMode) {
4659 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4661 /* Parse the board */
4662 for (k = 0; k < ranks; k++) {
4663 for (j = 0; j < files; j++)
4664 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4665 if(gameInfo.holdingsWidth > 1) {
4666 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4667 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4670 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4671 board[5][BOARD_RGHT+1] = WhiteAngel;
4672 board[6][BOARD_RGHT+1] = WhiteMarshall;
4673 board[1][0] = BlackMarshall;
4674 board[2][0] = BlackAngel;
4675 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4677 CopyBoard(boards[moveNum], board);
4678 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4680 startedFromSetupPosition =
4681 !CompareBoards(board, initialPosition);
4682 if(startedFromSetupPosition)
4683 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4686 /* [HGM] Set castling rights. Take the outermost Rooks,
4687 to make it also work for FRC opening positions. Note that board12
4688 is really defective for later FRC positions, as it has no way to
4689 indicate which Rook can castle if they are on the same side of King.
4690 For the initial position we grant rights to the outermost Rooks,
4691 and remember thos rights, and we then copy them on positions
4692 later in an FRC game. This means WB might not recognize castlings with
4693 Rooks that have moved back to their original position as illegal,
4694 but in ICS mode that is not its job anyway.
4696 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4697 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4699 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4700 if(board[0][i] == WhiteRook) j = i;
4701 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4702 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4703 if(board[0][i] == WhiteRook) j = i;
4704 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4705 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4706 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4707 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4708 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4709 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4710 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4712 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4713 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4714 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4715 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4716 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4717 if(board[BOARD_HEIGHT-1][k] == bKing)
4718 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4719 if(gameInfo.variant == VariantTwoKings) {
4720 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4721 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4722 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4725 r = boards[moveNum][CASTLING][0] = initialRights[0];
4726 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4727 r = boards[moveNum][CASTLING][1] = initialRights[1];
4728 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4729 r = boards[moveNum][CASTLING][3] = initialRights[3];
4730 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4731 r = boards[moveNum][CASTLING][4] = initialRights[4];
4732 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4733 /* wildcastle kludge: always assume King has rights */
4734 r = boards[moveNum][CASTLING][2] = initialRights[2];
4735 r = boards[moveNum][CASTLING][5] = initialRights[5];
4737 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4738 boards[moveNum][EP_STATUS] = EP_NONE;
4739 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4740 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4741 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4744 if (ics_getting_history == H_GOT_REQ_HEADER ||
4745 ics_getting_history == H_GOT_UNREQ_HEADER) {
4746 /* This was an initial position from a move list, not
4747 the current position */
4751 /* Update currentMove and known move number limits */
4752 newMove = newGame || moveNum > forwardMostMove;
4755 forwardMostMove = backwardMostMove = currentMove = moveNum;
4756 if (gameMode == IcsExamining && moveNum == 0) {
4757 /* Workaround for ICS limitation: we are not told the wild
4758 type when starting to examine a game. But if we ask for
4759 the move list, the move list header will tell us */
4760 ics_getting_history = H_REQUESTED;
4761 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4764 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4765 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4767 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4768 /* [HGM] applied this also to an engine that is silently watching */
4769 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4770 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4771 gameInfo.variant == currentlyInitializedVariant) {
4772 takeback = forwardMostMove - moveNum;
4773 for (i = 0; i < takeback; i++) {
4774 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4775 SendToProgram("undo\n", &first);
4780 forwardMostMove = moveNum;
4781 if (!pausing || currentMove > forwardMostMove)
4782 currentMove = forwardMostMove;
4784 /* New part of history that is not contiguous with old part */
4785 if (pausing && gameMode == IcsExamining) {
4786 pauseExamInvalid = TRUE;
4787 forwardMostMove = pauseExamForwardMostMove;
4790 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4792 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4793 // [HGM] when we will receive the move list we now request, it will be
4794 // fed to the engine from the first move on. So if the engine is not
4795 // in the initial position now, bring it there.
4796 InitChessProgram(&first, 0);
4799 ics_getting_history = H_REQUESTED;
4800 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4803 forwardMostMove = backwardMostMove = currentMove = moveNum;
4806 /* Update the clocks */
4807 if (strchr(elapsed_time, '.')) {
4809 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4810 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4812 /* Time is in seconds */
4813 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4814 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4819 if (appData.zippyPlay && newGame &&
4820 gameMode != IcsObserving && gameMode != IcsIdle &&
4821 gameMode != IcsExamining)
4822 ZippyFirstBoard(moveNum, basetime, increment);
4825 /* Put the move on the move list, first converting
4826 to canonical algebraic form. */
4828 if (appData.debugMode) {
4829 int f = forwardMostMove;
4830 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4831 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4832 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4833 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4834 fprintf(debugFP, "moveNum = %d\n", moveNum);
4835 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4836 setbuf(debugFP, NULL);
4838 if (moveNum <= backwardMostMove) {
4839 /* We don't know what the board looked like before
4841 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4842 strcat(parseList[moveNum - 1], " ");
4843 strcat(parseList[moveNum - 1], elapsed_time);
4844 moveList[moveNum - 1][0] = NULLCHAR;
4845 } else if (strcmp(move_str, "none") == 0) {
4846 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4847 /* Again, we don't know what the board looked like;
4848 this is really the start of the game. */
4849 parseList[moveNum - 1][0] = NULLCHAR;
4850 moveList[moveNum - 1][0] = NULLCHAR;
4851 backwardMostMove = moveNum;
4852 startedFromSetupPosition = TRUE;
4853 fromX = fromY = toX = toY = -1;
4855 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4856 // So we parse the long-algebraic move string in stead of the SAN move
4857 int valid; char buf[MSG_SIZ], *prom;
4859 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4860 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4861 // str looks something like "Q/a1-a2"; kill the slash
4863 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4864 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4865 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4866 strcat(buf, prom); // long move lacks promo specification!
4867 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4868 if(appData.debugMode)
4869 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4870 safeStrCpy(move_str, buf, MSG_SIZ);
4872 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4873 &fromX, &fromY, &toX, &toY, &promoChar)
4874 || ParseOneMove(buf, moveNum - 1, &moveType,
4875 &fromX, &fromY, &toX, &toY, &promoChar);
4876 // end of long SAN patch
4878 (void) CoordsToAlgebraic(boards[moveNum - 1],
4879 PosFlags(moveNum - 1),
4880 fromY, fromX, toY, toX, promoChar,
4881 parseList[moveNum-1]);
4882 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4888 if(!IS_SHOGI(gameInfo.variant))
4889 strcat(parseList[moveNum - 1], "+");
4892 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4893 strcat(parseList[moveNum - 1], "#");
4896 strcat(parseList[moveNum - 1], " ");
4897 strcat(parseList[moveNum - 1], elapsed_time);
4898 /* currentMoveString is set as a side-effect of ParseOneMove */
4899 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4900 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4901 strcat(moveList[moveNum - 1], "\n");
4903 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4904 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4905 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4906 ChessSquare old, new = boards[moveNum][k][j];
4907 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4908 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4909 if(old == new) continue;
4910 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4911 else if(new == WhiteWazir || new == BlackWazir) {
4912 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4913 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4914 else boards[moveNum][k][j] = old; // preserve type of Gold
4915 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4916 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4919 /* Move from ICS was illegal!? Punt. */
4920 if (appData.debugMode) {
4921 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4922 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4924 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4925 strcat(parseList[moveNum - 1], " ");
4926 strcat(parseList[moveNum - 1], elapsed_time);
4927 moveList[moveNum - 1][0] = NULLCHAR;
4928 fromX = fromY = toX = toY = -1;
4931 if (appData.debugMode) {
4932 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4933 setbuf(debugFP, NULL);
4937 /* Send move to chess program (BEFORE animating it). */
4938 if (appData.zippyPlay && !newGame && newMove &&
4939 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4941 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4942 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4943 if (moveList[moveNum - 1][0] == NULLCHAR) {
4944 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4946 DisplayError(str, 0);
4948 if (first.sendTime) {
4949 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4951 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4952 if (firstMove && !bookHit) {
4954 if (first.useColors) {
4955 SendToProgram(gameMode == IcsPlayingWhite ?
4957 "black\ngo\n", &first);
4959 SendToProgram("go\n", &first);
4961 first.maybeThinking = TRUE;
4964 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4965 if (moveList[moveNum - 1][0] == NULLCHAR) {
4966 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4967 DisplayError(str, 0);
4969 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4970 SendMoveToProgram(moveNum - 1, &first);
4977 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4978 /* If move comes from a remote source, animate it. If it
4979 isn't remote, it will have already been animated. */
4980 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4981 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4983 if (!pausing && appData.highlightLastMove) {
4984 SetHighlights(fromX, fromY, toX, toY);
4988 /* Start the clocks */
4989 whiteFlag = blackFlag = FALSE;
4990 appData.clockMode = !(basetime == 0 && increment == 0);
4992 ics_clock_paused = TRUE;
4994 } else if (ticking == 1) {
4995 ics_clock_paused = FALSE;
4997 if (gameMode == IcsIdle ||
4998 relation == RELATION_OBSERVING_STATIC ||
4999 relation == RELATION_EXAMINING ||
5001 DisplayBothClocks();
5005 /* Display opponents and material strengths */
5006 if (gameInfo.variant != VariantBughouse &&
5007 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5008 if (tinyLayout || smallLayout) {
5009 if(gameInfo.variant == VariantNormal)
5010 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5011 gameInfo.white, white_stren, gameInfo.black, black_stren,
5012 basetime, increment);
5014 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5015 gameInfo.white, white_stren, gameInfo.black, black_stren,
5016 basetime, increment, (int) gameInfo.variant);
5018 if(gameInfo.variant == VariantNormal)
5019 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5020 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5021 basetime, increment);
5023 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5024 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5025 basetime, increment, VariantName(gameInfo.variant));
5028 if (appData.debugMode) {
5029 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5034 /* Display the board */
5035 if (!pausing && !appData.noGUI) {
5037 if (appData.premove)
5039 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5040 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5041 ClearPremoveHighlights();
5043 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5044 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5045 DrawPosition(j, boards[currentMove]);
5047 DisplayMove(moveNum - 1);
5048 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5049 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5050 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5051 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5055 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5057 if(bookHit) { // [HGM] book: simulate book reply
5058 static char bookMove[MSG_SIZ]; // a bit generous?
5060 programStats.nodes = programStats.depth = programStats.time =
5061 programStats.score = programStats.got_only_move = 0;
5062 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5064 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5065 strcat(bookMove, bookHit);
5066 HandleMachineMove(bookMove, &first);
5075 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5076 ics_getting_history = H_REQUESTED;
5077 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5083 SendToBoth (char *msg)
5084 { // to make it easy to keep two engines in step in dual analysis
5085 SendToProgram(msg, &first);
5086 if(second.analyzing) SendToProgram(msg, &second);
5090 AnalysisPeriodicEvent (int force)
5092 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5093 && !force) || !appData.periodicUpdates)
5096 /* Send . command to Crafty to collect stats */
5099 /* Don't send another until we get a response (this makes
5100 us stop sending to old Crafty's which don't understand
5101 the "." command (sending illegal cmds resets node count & time,
5102 which looks bad)) */
5103 programStats.ok_to_send = 0;
5107 ics_update_width (int new_width)
5109 ics_printf("set width %d\n", new_width);
5113 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5117 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5118 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5119 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5120 SendToProgram(buf, cps);
5123 // null move in variant where engine does not understand it (for analysis purposes)
5124 SendBoard(cps, moveNum + 1); // send position after move in stead.
5127 if (cps->useUsermove) {
5128 SendToProgram("usermove ", cps);
5132 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5133 int len = space - parseList[moveNum];
5134 memcpy(buf, parseList[moveNum], len);
5136 buf[len] = NULLCHAR;
5138 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5140 SendToProgram(buf, cps);
5142 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5143 AlphaRank(moveList[moveNum], 4);
5144 SendToProgram(moveList[moveNum], cps);
5145 AlphaRank(moveList[moveNum], 4); // and back
5147 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5148 * the engine. It would be nice to have a better way to identify castle
5150 if(appData.fischerCastling && cps->useOOCastle) {
5151 int fromX = moveList[moveNum][0] - AAA;
5152 int fromY = moveList[moveNum][1] - ONE;
5153 int toX = moveList[moveNum][2] - AAA;
5154 int toY = moveList[moveNum][3] - ONE;
5155 if((boards[moveNum][fromY][fromX] == WhiteKing
5156 && boards[moveNum][toY][toX] == WhiteRook)
5157 || (boards[moveNum][fromY][fromX] == BlackKing
5158 && boards[moveNum][toY][toX] == BlackRook)) {
5159 if(toX > fromX) SendToProgram("O-O\n", cps);
5160 else SendToProgram("O-O-O\n", cps);
5162 else SendToProgram(moveList[moveNum], cps);
5164 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5165 char *m = moveList[moveNum];
5167 *c = m[7]; if(*c == '\n') *c = NULLCHAR; // promoChar
5168 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5169 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5172 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5173 else if(*c && m[8] != '\n') { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5174 *c = m[9]; if(*c == '\n') *c = NULLCHAR;
5175 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to three moves
5180 m[2], m[3] - '0', c);
5182 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5185 m[2], m[3] - '0', c);
5186 SendToProgram(buf, cps);
5188 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5189 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5190 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5191 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5192 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5194 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5195 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5196 SendToProgram(buf, cps);
5198 else SendToProgram(moveList[moveNum], cps);
5199 /* End of additions by Tord */
5202 /* [HGM] setting up the opening has brought engine in force mode! */
5203 /* Send 'go' if we are in a mode where machine should play. */
5204 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5205 (gameMode == TwoMachinesPlay ||
5207 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5209 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5210 SendToProgram("go\n", cps);
5211 if (appData.debugMode) {
5212 fprintf(debugFP, "(extra)\n");
5215 setboardSpoiledMachineBlack = 0;
5219 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5221 char user_move[MSG_SIZ];
5224 if(gameInfo.variant == VariantSChess && promoChar) {
5225 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5226 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5227 } else suffix[0] = NULLCHAR;
5231 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5232 (int)moveType, fromX, fromY, toX, toY);
5233 DisplayError(user_move + strlen("say "), 0);
5235 case WhiteKingSideCastle:
5236 case BlackKingSideCastle:
5237 case WhiteQueenSideCastleWild:
5238 case BlackQueenSideCastleWild:
5240 case WhiteHSideCastleFR:
5241 case BlackHSideCastleFR:
5243 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5245 case WhiteQueenSideCastle:
5246 case BlackQueenSideCastle:
5247 case WhiteKingSideCastleWild:
5248 case BlackKingSideCastleWild:
5250 case WhiteASideCastleFR:
5251 case BlackASideCastleFR:
5253 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5255 case WhiteNonPromotion:
5256 case BlackNonPromotion:
5257 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5259 case WhitePromotion:
5260 case BlackPromotion:
5261 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5262 gameInfo.variant == VariantMakruk)
5263 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5264 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5265 PieceToChar(WhiteFerz));
5266 else if(gameInfo.variant == VariantGreat)
5267 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5268 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5269 PieceToChar(WhiteMan));
5271 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5272 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5278 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5279 ToUpper(PieceToChar((ChessSquare) fromX)),
5280 AAA + toX, ONE + toY);
5282 case IllegalMove: /* could be a variant we don't quite understand */
5283 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5285 case WhiteCapturesEnPassant:
5286 case BlackCapturesEnPassant:
5287 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5288 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5291 SendToICS(user_move);
5292 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5293 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5298 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5299 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5300 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5301 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5302 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5305 if(gameMode != IcsExamining) { // is this ever not the case?
5306 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5308 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5309 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5310 } else { // on FICS we must first go to general examine mode
5311 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5313 if(gameInfo.variant != VariantNormal) {
5314 // try figure out wild number, as xboard names are not always valid on ICS
5315 for(i=1; i<=36; i++) {
5316 snprintf(buf, MSG_SIZ, "wild/%d", i);
5317 if(StringToVariant(buf) == gameInfo.variant) break;
5319 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5320 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5321 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5322 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5323 SendToICS(ics_prefix);
5325 if(startedFromSetupPosition || backwardMostMove != 0) {
5326 fen = PositionToFEN(backwardMostMove, NULL, 1);
5327 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5328 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5330 } else { // FICS: everything has to set by separate bsetup commands
5331 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5332 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5334 if(!WhiteOnMove(backwardMostMove)) {
5335 SendToICS("bsetup tomove black\n");
5337 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5338 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5340 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5341 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5343 i = boards[backwardMostMove][EP_STATUS];
5344 if(i >= 0) { // set e.p.
5345 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5351 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5352 SendToICS("bsetup done\n"); // switch to normal examining.
5354 for(i = backwardMostMove; i<last; i++) {
5356 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5357 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5358 int len = strlen(moveList[i]);
5359 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5360 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5364 SendToICS(ics_prefix);
5365 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5368 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5372 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5374 if (rf == DROP_RANK) {
5375 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5376 sprintf(move, "%c@%c%c\n",
5377 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5379 if (promoChar == 'x' || promoChar == NULLCHAR) {
5380 sprintf(move, "%c%c%c%c\n",
5381 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5382 if(killX >= 0 && killY >= 0) {
5383 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5384 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5387 sprintf(move, "%c%c%c%c%c\n",
5388 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5389 if(killX >= 0 && killY >= 0) {
5390 sprintf(move+4, ";%c%c%c\n", AAA + killX, ONE + killY, promoChar);
5391 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5398 ProcessICSInitScript (FILE *f)
5402 while (fgets(buf, MSG_SIZ, f)) {
5403 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5410 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5412 static ClickType lastClickType;
5415 PieceInString (char *s, ChessSquare piece)
5417 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5418 while((p = strchr(s, ID))) {
5419 if(!suffix || p[1] == suffix) return TRUE;
5426 Partner (ChessSquare *p)
5427 { // change piece into promotion partner if one shogi-promotes to the other
5428 ChessSquare partner = promoPartner[*p];
5429 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5430 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5438 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5439 static int toggleFlag;
5440 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5441 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5442 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5443 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5444 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5445 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5447 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5448 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5449 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5450 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5451 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5452 if(!step) step = -1;
5453 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5454 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5455 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5456 promoSweep == pawn ||
5457 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5458 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5460 int victim = boards[currentMove][toY][toX];
5461 boards[currentMove][toY][toX] = promoSweep;
5462 DrawPosition(FALSE, boards[currentMove]);
5463 boards[currentMove][toY][toX] = victim;
5465 ChangeDragPiece(promoSweep);
5469 PromoScroll (int x, int y)
5473 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5474 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5475 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5476 if(!step) return FALSE;
5477 lastX = x; lastY = y;
5478 if((promoSweep < BlackPawn) == flipView) step = -step;
5479 if(step > 0) selectFlag = 1;
5480 if(!selectFlag) Sweep(step);
5485 NextPiece (int step)
5487 ChessSquare piece = boards[currentMove][toY][toX];
5490 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5491 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5492 if(!step) step = -1;
5493 } while(PieceToChar(pieceSweep) == '.');
5494 boards[currentMove][toY][toX] = pieceSweep;
5495 DrawPosition(FALSE, boards[currentMove]);
5496 boards[currentMove][toY][toX] = piece;
5498 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5500 AlphaRank (char *move, int n)
5502 // char *p = move, c; int x, y;
5504 if (appData.debugMode) {
5505 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5509 move[2]>='0' && move[2]<='9' &&
5510 move[3]>='a' && move[3]<='x' ) {
5512 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5513 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5515 if(move[0]>='0' && move[0]<='9' &&
5516 move[1]>='a' && move[1]<='x' &&
5517 move[2]>='0' && move[2]<='9' &&
5518 move[3]>='a' && move[3]<='x' ) {
5519 /* input move, Shogi -> normal */
5520 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5521 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5522 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5523 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5526 move[3]>='0' && move[3]<='9' &&
5527 move[2]>='a' && move[2]<='x' ) {
5529 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5530 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5533 move[0]>='a' && move[0]<='x' &&
5534 move[3]>='0' && move[3]<='9' &&
5535 move[2]>='a' && move[2]<='x' ) {
5536 /* output move, normal -> Shogi */
5537 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5538 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5539 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5540 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5541 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5543 if (appData.debugMode) {
5544 fprintf(debugFP, " out = '%s'\n", move);
5548 char yy_textstr[8000];
5550 /* Parser for moves from gnuchess, ICS, or user typein box */
5552 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5554 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5556 switch (*moveType) {
5557 case WhitePromotion:
5558 case BlackPromotion:
5559 case WhiteNonPromotion:
5560 case BlackNonPromotion:
5563 case WhiteCapturesEnPassant:
5564 case BlackCapturesEnPassant:
5565 case WhiteKingSideCastle:
5566 case WhiteQueenSideCastle:
5567 case BlackKingSideCastle:
5568 case BlackQueenSideCastle:
5569 case WhiteKingSideCastleWild:
5570 case WhiteQueenSideCastleWild:
5571 case BlackKingSideCastleWild:
5572 case BlackQueenSideCastleWild:
5573 /* Code added by Tord: */
5574 case WhiteHSideCastleFR:
5575 case WhiteASideCastleFR:
5576 case BlackHSideCastleFR:
5577 case BlackASideCastleFR:
5578 /* End of code added by Tord */
5579 case IllegalMove: /* bug or odd chess variant */
5580 if(currentMoveString[1] == '@') { // illegal drop
5581 *fromX = WhiteOnMove(moveNum) ?
5582 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5583 (int) CharToPiece(ToLower(currentMoveString[0]));
5586 *fromX = currentMoveString[0] - AAA;
5587 *fromY = currentMoveString[1] - ONE;
5588 *toX = currentMoveString[2] - AAA;
5589 *toY = currentMoveString[3] - ONE;
5590 *promoChar = currentMoveString[4];
5591 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5592 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5593 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5594 if (appData.debugMode) {
5595 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5597 *fromX = *fromY = *toX = *toY = 0;
5600 if (appData.testLegality) {
5601 return (*moveType != IllegalMove);
5603 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5604 // [HGM] lion: if this is a double move we are less critical
5605 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5610 *fromX = *moveType == WhiteDrop ?
5611 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5612 (int) CharToPiece(ToLower(currentMoveString[0]));
5615 *toX = currentMoveString[2] - AAA;
5616 *toY = currentMoveString[3] - ONE;
5617 *promoChar = NULLCHAR;
5621 case ImpossibleMove:
5631 if (appData.debugMode) {
5632 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5635 *fromX = *fromY = *toX = *toY = 0;
5636 *promoChar = NULLCHAR;
5641 Boolean pushed = FALSE;
5642 char *lastParseAttempt;
5645 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5646 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5647 int fromX, fromY, toX, toY; char promoChar;
5652 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5653 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5654 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5657 endPV = forwardMostMove;
5659 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5660 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5661 lastParseAttempt = pv;
5662 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5663 if(!valid && nr == 0 &&
5664 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5665 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5666 // Hande case where played move is different from leading PV move
5667 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5668 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5669 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5670 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5671 endPV += 2; // if position different, keep this
5672 moveList[endPV-1][0] = fromX + AAA;
5673 moveList[endPV-1][1] = fromY + ONE;
5674 moveList[endPV-1][2] = toX + AAA;
5675 moveList[endPV-1][3] = toY + ONE;
5676 parseList[endPV-1][0] = NULLCHAR;
5677 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5680 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5681 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5682 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5683 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5684 valid++; // allow comments in PV
5688 if(endPV+1 > framePtr) break; // no space, truncate
5691 CopyBoard(boards[endPV], boards[endPV-1]);
5692 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5693 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5694 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5695 CoordsToAlgebraic(boards[endPV - 1],
5696 PosFlags(endPV - 1),
5697 fromY, fromX, toY, toX, promoChar,
5698 parseList[endPV - 1]);
5700 if(atEnd == 2) return; // used hidden, for PV conversion
5701 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5702 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5703 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5704 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5705 DrawPosition(TRUE, boards[currentMove]);
5709 MultiPV (ChessProgramState *cps, int kind)
5710 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5712 for(i=0; i<cps->nrOptions; i++) {
5713 char *s = cps->option[i].name;
5714 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5715 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5716 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5721 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5722 static int multi, pv_margin;
5723 static ChessProgramState *activeCps;
5726 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5728 int startPV, lineStart, origIndex = index;
5729 char *p, buf2[MSG_SIZ];
5730 ChessProgramState *cps = (pane ? &second : &first);
5732 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5733 lastX = x; lastY = y;
5734 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5735 lineStart = startPV = index;
5736 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5737 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5739 do{ while(buf[index] && buf[index] != '\n') index++;
5740 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5742 if(lineStart == 0 && gameMode == AnalyzeMode) {
5744 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5745 if(n == 0) { // click not on "fewer" or "more"
5746 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5747 pv_margin = cps->option[multi].value;
5748 activeCps = cps; // non-null signals margin adjustment
5750 } else if((multi = MultiPV(cps, 1)) >= 0) {
5751 n += cps->option[multi].value; if(n < 1) n = 1;
5752 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5753 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5754 cps->option[multi].value = n;
5758 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5759 ExcludeClick(origIndex - lineStart);
5761 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5762 Collapse(origIndex - lineStart);
5765 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5766 *start = startPV; *end = index-1;
5767 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5774 static char buf[10*MSG_SIZ];
5775 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5777 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5778 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5779 for(i = forwardMostMove; i<endPV; i++){
5780 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5781 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5784 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5785 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5786 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5792 LoadPV (int x, int y)
5793 { // called on right mouse click to load PV
5794 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5795 lastX = x; lastY = y;
5796 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5804 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5806 if(pv_margin != activeCps->option[multi].value) {
5808 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5809 SendToProgram(buf, activeCps);
5810 activeCps->option[multi].value = pv_margin;
5815 if(endPV < 0) return;
5816 if(appData.autoCopyPV) CopyFENToClipboard();
5818 if(extendGame && currentMove > forwardMostMove) {
5819 Boolean saveAnimate = appData.animate;
5821 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5822 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5823 } else storedGames--; // abandon shelved tail of original game
5826 forwardMostMove = currentMove;
5827 currentMove = oldFMM;
5828 appData.animate = FALSE;
5829 ToNrEvent(forwardMostMove);
5830 appData.animate = saveAnimate;
5832 currentMove = forwardMostMove;
5833 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5834 ClearPremoveHighlights();
5835 DrawPosition(TRUE, boards[currentMove]);
5839 MovePV (int x, int y, int h)
5840 { // step through PV based on mouse coordinates (called on mouse move)
5841 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5843 if(activeCps) { // adjusting engine's multi-pv margin
5844 if(x > lastX) pv_margin++; else
5845 if(x < lastX) pv_margin -= (pv_margin > 0);
5848 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5849 DisplayMessage(buf, "");
5854 // we must somehow check if right button is still down (might be released off board!)
5855 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5856 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5857 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5859 lastX = x; lastY = y;
5861 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5862 if(endPV < 0) return;
5863 if(y < margin) step = 1; else
5864 if(y > h - margin) step = -1;
5865 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5866 currentMove += step;
5867 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5868 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5869 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5870 DrawPosition(FALSE, boards[currentMove]);
5874 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5875 // All positions will have equal probability, but the current method will not provide a unique
5876 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5882 int piecesLeft[(int)BlackPawn];
5883 int seed, nrOfShuffles;
5886 GetPositionNumber ()
5887 { // sets global variable seed
5890 seed = appData.defaultFrcPosition;
5891 if(seed < 0) { // randomize based on time for negative FRC position numbers
5892 for(i=0; i<50; i++) seed += random();
5893 seed = random() ^ random() >> 8 ^ random() << 8;
5894 if(seed<0) seed = -seed;
5899 put (Board board, int pieceType, int rank, int n, int shade)
5900 // put the piece on the (n-1)-th empty squares of the given shade
5904 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5905 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5906 board[rank][i] = (ChessSquare) pieceType;
5907 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5909 piecesLeft[pieceType]--;
5918 AddOnePiece (Board board, int pieceType, int rank, int shade)
5919 // calculate where the next piece goes, (any empty square), and put it there
5923 i = seed % squaresLeft[shade];
5924 nrOfShuffles *= squaresLeft[shade];
5925 seed /= squaresLeft[shade];
5926 put(board, pieceType, rank, i, shade);
5930 AddTwoPieces (Board board, int pieceType, int rank)
5931 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5933 int i, n=squaresLeft[ANY], j=n-1, k;
5935 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5936 i = seed % k; // pick one
5939 while(i >= j) i -= j--;
5940 j = n - 1 - j; i += j;
5941 put(board, pieceType, rank, j, ANY);
5942 put(board, pieceType, rank, i, ANY);
5946 SetUpShuffle (Board board, int number)
5950 GetPositionNumber(); nrOfShuffles = 1;
5952 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5953 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5954 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5956 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5958 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5959 p = (int) board[0][i];
5960 if(p < (int) BlackPawn) piecesLeft[p] ++;
5961 board[0][i] = EmptySquare;
5964 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5965 // shuffles restricted to allow normal castling put KRR first
5966 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5967 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5968 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5969 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5970 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5971 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5972 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5973 put(board, WhiteRook, 0, 0, ANY);
5974 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5977 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5978 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5979 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5980 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5981 while(piecesLeft[p] >= 2) {
5982 AddOnePiece(board, p, 0, LITE);
5983 AddOnePiece(board, p, 0, DARK);
5985 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5988 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5989 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5990 // but we leave King and Rooks for last, to possibly obey FRC restriction
5991 if(p == (int)WhiteRook) continue;
5992 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5993 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5996 // now everything is placed, except perhaps King (Unicorn) and Rooks
5998 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5999 // Last King gets castling rights
6000 while(piecesLeft[(int)WhiteUnicorn]) {
6001 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6002 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6005 while(piecesLeft[(int)WhiteKing]) {
6006 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6007 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6012 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6013 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6016 // Only Rooks can be left; simply place them all
6017 while(piecesLeft[(int)WhiteRook]) {
6018 i = put(board, WhiteRook, 0, 0, ANY);
6019 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6022 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6024 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6027 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6028 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6031 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6035 ptclen (const char *s, char *escapes)
6038 if(!*escapes) return strlen(s);
6039 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6044 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6045 /* [HGM] moved here from winboard.c because of its general usefulness */
6046 /* Basically a safe strcpy that uses the last character as King */
6048 int result = FALSE; int NrPieces;
6049 unsigned char partner[EmptySquare];
6051 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6052 && NrPieces >= 12 && !(NrPieces&1)) {
6053 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6055 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6056 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6058 if(map[j] == '/') offs = WhitePBishop - i, j++;
6059 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6060 table[i+offs] = map[j++];
6061 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6062 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6063 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6065 table[(int) WhiteKing] = map[j++];
6066 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6068 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6069 i = WHITE_TO_BLACK ii;
6070 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6071 table[i+offs] = map[j++];
6072 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6073 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6074 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6076 table[(int) BlackKing] = map[j++];
6079 if(*escapes) { // set up promotion pairing
6080 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6081 // pieceToChar entirely filled, so we can look up specified partners
6082 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6084 if(c == '^' || c == '-') { // has specified partner
6086 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6087 if(c == '^') table[i] = '+';
6088 if(p < EmptySquare) {
6089 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6090 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6091 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6093 } else if(c == '*') {
6094 table[i] = partner[i];
6095 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6107 SetCharTable (unsigned char *table, const char * map)
6109 return SetCharTableEsc(table, map, "");
6113 Prelude (Board board)
6114 { // [HGM] superchess: random selection of exo-pieces
6115 int i, j, k; ChessSquare p;
6116 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6118 GetPositionNumber(); // use FRC position number
6120 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6121 SetCharTable(pieceToChar, appData.pieceToCharTable);
6122 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6123 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6126 j = seed%4; seed /= 4;
6127 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6128 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6129 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6130 j = seed%3 + (seed%3 >= j); seed /= 3;
6131 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6132 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6133 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6134 j = seed%3; seed /= 3;
6135 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6136 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6137 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6138 j = seed%2 + (seed%2 >= j); seed /= 2;
6139 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6140 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6141 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6142 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6143 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6144 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6145 put(board, exoPieces[0], 0, 0, ANY);
6146 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6150 InitPosition (int redraw)
6152 ChessSquare (* pieces)[BOARD_FILES];
6153 int i, j, pawnRow=1, pieceRows=1, overrule,
6154 oldx = gameInfo.boardWidth,
6155 oldy = gameInfo.boardHeight,
6156 oldh = gameInfo.holdingsWidth;
6159 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6161 /* [AS] Initialize pv info list [HGM] and game status */
6163 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6164 pvInfoList[i].depth = 0;
6165 boards[i][EP_STATUS] = EP_NONE;
6166 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6169 initialRulePlies = 0; /* 50-move counter start */
6171 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6172 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6176 /* [HGM] logic here is completely changed. In stead of full positions */
6177 /* the initialized data only consist of the two backranks. The switch */
6178 /* selects which one we will use, which is than copied to the Board */
6179 /* initialPosition, which for the rest is initialized by Pawns and */
6180 /* empty squares. This initial position is then copied to boards[0], */
6181 /* possibly after shuffling, so that it remains available. */
6183 gameInfo.holdingsWidth = 0; /* default board sizes */
6184 gameInfo.boardWidth = 8;
6185 gameInfo.boardHeight = 8;
6186 gameInfo.holdingsSize = 0;
6187 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6188 for(i=0; i<BOARD_FILES-6; i++)
6189 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6190 initialPosition[EP_STATUS] = EP_NONE;
6191 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6192 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6193 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6194 SetCharTable(pieceNickName, appData.pieceNickNames);
6195 else SetCharTable(pieceNickName, "............");
6198 switch (gameInfo.variant) {
6199 case VariantFischeRandom:
6200 shuffleOpenings = TRUE;
6201 appData.fischerCastling = TRUE;
6204 case VariantShatranj:
6205 pieces = ShatranjArray;
6206 nrCastlingRights = 0;
6207 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6210 pieces = makrukArray;
6211 nrCastlingRights = 0;
6212 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6215 pieces = aseanArray;
6216 nrCastlingRights = 0;
6217 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6219 case VariantTwoKings:
6220 pieces = twoKingsArray;
6223 pieces = GrandArray;
6224 nrCastlingRights = 0;
6225 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6226 gameInfo.boardWidth = 10;
6227 gameInfo.boardHeight = 10;
6228 gameInfo.holdingsSize = 7;
6230 case VariantCapaRandom:
6231 shuffleOpenings = TRUE;
6232 appData.fischerCastling = TRUE;
6233 case VariantCapablanca:
6234 pieces = CapablancaArray;
6235 gameInfo.boardWidth = 10;
6236 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6239 pieces = GothicArray;
6240 gameInfo.boardWidth = 10;
6241 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6244 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6245 gameInfo.holdingsSize = 7;
6246 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6249 pieces = JanusArray;
6250 gameInfo.boardWidth = 10;
6251 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6252 nrCastlingRights = 6;
6253 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6254 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6255 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6256 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6257 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6258 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6261 pieces = FalconArray;
6262 gameInfo.boardWidth = 10;
6263 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6265 case VariantXiangqi:
6266 pieces = XiangqiArray;
6267 gameInfo.boardWidth = 9;
6268 gameInfo.boardHeight = 10;
6269 nrCastlingRights = 0;
6270 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6273 pieces = ShogiArray;
6274 gameInfo.boardWidth = 9;
6275 gameInfo.boardHeight = 9;
6276 gameInfo.holdingsSize = 7;
6277 nrCastlingRights = 0;
6278 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6281 pieces = ChuArray; pieceRows = 3;
6282 gameInfo.boardWidth = 12;
6283 gameInfo.boardHeight = 12;
6284 nrCastlingRights = 0;
6285 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6286 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6287 SetCharTableEsc(pieceToChar, "P.BRQSEXOG...HD..^DLI^HNV........^T..^L.C...A^AFT/^F^G^M.^E^X^O^I.^P.^B^R..M^S^C^VK"
6288 "p.brqsexog...hd..^dli^hnv........^t..^l.c...a^aft/^f^g^m.^e^x^o^i.^p.^b^r..m^s^c^vk", SUFFIXES);
6290 case VariantCourier:
6291 pieces = CourierArray;
6292 gameInfo.boardWidth = 12;
6293 nrCastlingRights = 0;
6294 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6296 case VariantKnightmate:
6297 pieces = KnightmateArray;
6298 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6300 case VariantSpartan:
6301 pieces = SpartanArray;
6302 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6306 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6308 case VariantChuChess:
6309 pieces = ChuChessArray;
6310 gameInfo.boardWidth = 10;
6311 gameInfo.boardHeight = 10;
6312 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6315 pieces = fairyArray;
6316 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6319 pieces = GreatArray;
6320 gameInfo.boardWidth = 10;
6321 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6322 gameInfo.holdingsSize = 8;
6326 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6327 gameInfo.holdingsSize = 8;
6328 startedFromSetupPosition = TRUE;
6330 case VariantCrazyhouse:
6331 case VariantBughouse:
6333 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6334 gameInfo.holdingsSize = 5;
6336 case VariantWildCastle:
6338 /* !!?shuffle with kings guaranteed to be on d or e file */
6339 shuffleOpenings = 1;
6341 case VariantNoCastle:
6343 nrCastlingRights = 0;
6344 /* !!?unconstrained back-rank shuffle */
6345 shuffleOpenings = 1;
6350 if(appData.NrFiles >= 0) {
6351 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6352 gameInfo.boardWidth = appData.NrFiles;
6354 if(appData.NrRanks >= 0) {
6355 gameInfo.boardHeight = appData.NrRanks;
6357 if(appData.holdingsSize >= 0) {
6358 i = appData.holdingsSize;
6359 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6360 gameInfo.holdingsSize = i;
6362 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6363 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6364 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6366 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6367 if(pawnRow < 1) pawnRow = 1;
6368 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6369 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6370 if(gameInfo.variant == VariantChu) pawnRow = 3;
6372 /* User pieceToChar list overrules defaults */
6373 if(appData.pieceToCharTable != NULL)
6374 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6376 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6378 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6379 s = (ChessSquare) 0; /* account holding counts in guard band */
6380 for( i=0; i<BOARD_HEIGHT; i++ )
6381 initialPosition[i][j] = s;
6383 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6384 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6385 initialPosition[pawnRow][j] = WhitePawn;
6386 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6387 if(gameInfo.variant == VariantXiangqi) {
6389 initialPosition[pawnRow][j] =
6390 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6391 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6392 initialPosition[2][j] = WhiteCannon;
6393 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6397 if(gameInfo.variant == VariantChu) {
6398 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6399 initialPosition[pawnRow+1][j] = WhiteCobra,
6400 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6401 for(i=1; i<pieceRows; i++) {
6402 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6403 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6406 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6407 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6408 initialPosition[0][j] = WhiteRook;
6409 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6412 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6414 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6415 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6418 initialPosition[1][j] = WhiteBishop;
6419 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6421 initialPosition[1][j] = WhiteRook;
6422 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6425 if( nrCastlingRights == -1) {
6426 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6427 /* This sets default castling rights from none to normal corners */
6428 /* Variants with other castling rights must set them themselves above */
6429 nrCastlingRights = 6;
6431 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6432 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6433 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6434 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6435 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6436 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6439 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6440 if(gameInfo.variant == VariantGreat) { // promotion commoners
6441 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6442 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6443 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6444 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6446 if( gameInfo.variant == VariantSChess ) {
6447 initialPosition[1][0] = BlackMarshall;
6448 initialPosition[2][0] = BlackAngel;
6449 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6450 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6451 initialPosition[1][1] = initialPosition[2][1] =
6452 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6454 initialPosition[CHECK_COUNT] = (gameInfo.variant == Variant3Check ? 0x303 : 0);
6455 if (appData.debugMode) {
6456 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6458 if(shuffleOpenings) {
6459 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6460 startedFromSetupPosition = TRUE;
6462 if(startedFromPositionFile) {
6463 /* [HGM] loadPos: use PositionFile for every new game */
6464 CopyBoard(initialPosition, filePosition);
6465 for(i=0; i<nrCastlingRights; i++)
6466 initialRights[i] = filePosition[CASTLING][i];
6467 startedFromSetupPosition = TRUE;
6469 if(*appData.men) LoadPieceDesc(appData.men);
6471 CopyBoard(boards[0], initialPosition);
6473 if(oldx != gameInfo.boardWidth ||
6474 oldy != gameInfo.boardHeight ||
6475 oldv != gameInfo.variant ||
6476 oldh != gameInfo.holdingsWidth
6478 InitDrawingSizes(-2 ,0);
6480 oldv = gameInfo.variant;
6482 DrawPosition(TRUE, boards[currentMove]);
6486 SendBoard (ChessProgramState *cps, int moveNum)
6488 char message[MSG_SIZ];
6490 if (cps->useSetboard) {
6491 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6492 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6493 SendToProgram(message, cps);
6498 int i, j, left=0, right=BOARD_WIDTH;
6499 /* Kludge to set black to move, avoiding the troublesome and now
6500 * deprecated "black" command.
6502 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6503 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn && !pieceDesc[WhitePawn] ? "a2a3\n" : "black\nforce\n", cps);
6505 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6507 SendToProgram("edit\n", cps);
6508 SendToProgram("#\n", cps);
6509 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6510 bp = &boards[moveNum][i][left];
6511 for (j = left; j < right; j++, bp++) {
6512 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6513 if ((int) *bp < (int) BlackPawn) {
6514 if(j == BOARD_RGHT+1)
6515 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6516 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6517 if(message[0] == '+' || message[0] == '~') {
6518 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6519 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6520 AAA + j, ONE + i - '0');
6522 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6523 message[1] = BOARD_RGHT - 1 - j + '1';
6524 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6526 SendToProgram(message, cps);
6531 SendToProgram("c\n", cps);
6532 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6533 bp = &boards[moveNum][i][left];
6534 for (j = left; j < right; j++, bp++) {
6535 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6536 if (((int) *bp != (int) EmptySquare)
6537 && ((int) *bp >= (int) BlackPawn)) {
6538 if(j == BOARD_LEFT-2)
6539 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6540 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6541 AAA + j, ONE + i - '0');
6542 if(message[0] == '+' || message[0] == '~') {
6543 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6544 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6545 AAA + j, ONE + i - '0');
6547 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6548 message[1] = BOARD_RGHT - 1 - j + '1';
6549 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6551 SendToProgram(message, cps);
6556 SendToProgram(".\n", cps);
6558 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6561 char exclusionHeader[MSG_SIZ];
6562 int exCnt, excludePtr;
6563 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6564 static Exclusion excluTab[200];
6565 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6571 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6572 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6578 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6579 excludePtr = 24; exCnt = 0;
6584 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6585 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6586 char buf[2*MOVE_LEN], *p;
6587 Exclusion *e = excluTab;
6589 for(i=0; i<exCnt; i++)
6590 if(e[i].ff == fromX && e[i].fr == fromY &&
6591 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6592 if(i == exCnt) { // was not in exclude list; add it
6593 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6594 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6595 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6598 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6599 excludePtr++; e[i].mark = excludePtr++;
6600 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6603 exclusionHeader[e[i].mark] = state;
6607 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6608 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6612 if((signed char)promoChar == -1) { // kludge to indicate best move
6613 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6614 return 1; // if unparsable, abort
6616 // update exclusion map (resolving toggle by consulting existing state)
6617 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6619 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6620 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6621 excludeMap[k] |= 1<<j;
6622 else excludeMap[k] &= ~(1<<j);
6624 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6626 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6627 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6629 return (state == '+');
6633 ExcludeClick (int index)
6636 Exclusion *e = excluTab;
6637 if(index < 25) { // none, best or tail clicked
6638 if(index < 13) { // none: include all
6639 WriteMap(0); // clear map
6640 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6641 SendToBoth("include all\n"); // and inform engine
6642 } else if(index > 18) { // tail
6643 if(exclusionHeader[19] == '-') { // tail was excluded
6644 SendToBoth("include all\n");
6645 WriteMap(0); // clear map completely
6646 // now re-exclude selected moves
6647 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6648 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6649 } else { // tail was included or in mixed state
6650 SendToBoth("exclude all\n");
6651 WriteMap(0xFF); // fill map completely
6652 // now re-include selected moves
6653 j = 0; // count them
6654 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6655 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6656 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6659 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6662 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6663 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6664 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6671 DefaultPromoChoice (int white)
6674 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6675 gameInfo.variant == VariantMakruk)
6676 result = WhiteFerz; // no choice
6677 else if(gameInfo.variant == VariantASEAN)
6678 result = WhiteRook; // no choice
6679 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6680 result= WhiteKing; // in Suicide Q is the last thing we want
6681 else if(gameInfo.variant == VariantSpartan)
6682 result = white ? WhiteQueen : WhiteAngel;
6683 else result = WhiteQueen;
6684 if(!white) result = WHITE_TO_BLACK result;
6688 static int autoQueen; // [HGM] oneclick
6691 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6693 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6694 /* [HGM] add Shogi promotions */
6695 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6696 ChessSquare piece, partner;
6700 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6701 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6703 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6704 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6707 if(legal[toY][toX] == 4) return FALSE;
6709 piece = boards[currentMove][fromY][fromX];
6710 if(gameInfo.variant == VariantChu) {
6711 promotionZoneSize = BOARD_HEIGHT/3;
6712 if(legal[toY][toX] == 6) return FALSE; // no promotion if highlights deny it
6713 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6714 } else if(gameInfo.variant == VariantShogi) {
6715 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6716 highestPromotingPiece = (int)WhiteAlfil;
6717 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6718 promotionZoneSize = 3;
6721 // Treat Lance as Pawn when it is not representing Amazon or Lance
6722 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6723 if(piece == WhiteLance) piece = WhitePawn; else
6724 if(piece == BlackLance) piece = BlackPawn;
6727 // next weed out all moves that do not touch the promotion zone at all
6728 if((int)piece >= BlackPawn) {
6729 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6731 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6732 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6734 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6735 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6736 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6740 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6742 // weed out mandatory Shogi promotions
6743 if(gameInfo.variant == VariantShogi) {
6744 if(piece >= BlackPawn) {
6745 if(toY == 0 && piece == BlackPawn ||
6746 toY == 0 && piece == BlackQueen ||
6747 toY <= 1 && piece == BlackKnight) {
6752 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6753 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6754 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6761 // weed out obviously illegal Pawn moves
6762 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6763 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6764 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6765 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6766 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6767 // note we are not allowed to test for valid (non-)capture, due to premove
6770 // we either have a choice what to promote to, or (in Shogi) whether to promote
6771 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6772 gameInfo.variant == VariantMakruk) {
6773 ChessSquare p=BlackFerz; // no choice
6774 while(p < EmptySquare) { //but make sure we use piece that exists
6775 *promoChoice = PieceToChar(p++);
6776 if(*promoChoice != '.') break;
6778 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6780 // no sense asking what we must promote to if it is going to explode...
6781 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6782 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6785 // give caller the default choice even if we will not make it
6786 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6787 partner = piece; // pieces can promote if the pieceToCharTable says so
6788 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6789 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6790 if( sweepSelect && gameInfo.variant != VariantGreat
6791 && gameInfo.variant != VariantGrand
6792 && gameInfo.variant != VariantSuper) return FALSE;
6793 if(autoQueen) return FALSE; // predetermined
6795 // suppress promotion popup on illegal moves that are not premoves
6796 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6797 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6798 if(appData.testLegality && !premove) {
6799 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6800 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6801 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6802 if(moveType != WhitePromotion && moveType != BlackPromotion)
6810 InPalace (int row, int column)
6811 { /* [HGM] for Xiangqi */
6812 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6813 column < (BOARD_WIDTH + 4)/2 &&
6814 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6819 PieceForSquare (int x, int y)
6821 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6824 return boards[currentMove][y][x];
6828 OKToStartUserMove (int x, int y)
6830 ChessSquare from_piece;
6833 if (matchMode) return FALSE;
6834 if (gameMode == EditPosition) return TRUE;
6836 if (x >= 0 && y >= 0)
6837 from_piece = boards[currentMove][y][x];
6839 from_piece = EmptySquare;
6841 if (from_piece == EmptySquare) return FALSE;
6843 white_piece = (int)from_piece >= (int)WhitePawn &&
6844 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6848 case TwoMachinesPlay:
6856 case MachinePlaysWhite:
6857 case IcsPlayingBlack:
6858 if (appData.zippyPlay) return FALSE;
6860 DisplayMoveError(_("You are playing Black"));
6865 case MachinePlaysBlack:
6866 case IcsPlayingWhite:
6867 if (appData.zippyPlay) return FALSE;
6869 DisplayMoveError(_("You are playing White"));
6874 case PlayFromGameFile:
6875 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6878 if (!white_piece && WhiteOnMove(currentMove)) {
6879 DisplayMoveError(_("It is White's turn"));
6882 if (white_piece && !WhiteOnMove(currentMove)) {
6883 DisplayMoveError(_("It is Black's turn"));
6886 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6887 /* Editing correspondence game history */
6888 /* Could disallow this or prompt for confirmation */
6893 case BeginningOfGame:
6894 if (appData.icsActive) return FALSE;
6895 if (!appData.noChessProgram) {
6897 DisplayMoveError(_("You are playing White"));
6904 if (!white_piece && WhiteOnMove(currentMove)) {
6905 DisplayMoveError(_("It is White's turn"));
6908 if (white_piece && !WhiteOnMove(currentMove)) {
6909 DisplayMoveError(_("It is Black's turn"));
6918 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6919 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6920 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6921 && gameMode != AnalyzeFile && gameMode != Training) {
6922 DisplayMoveError(_("Displayed position is not current"));
6929 OnlyMove (int *x, int *y, Boolean captures)
6931 DisambiguateClosure cl;
6932 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6934 case MachinePlaysBlack:
6935 case IcsPlayingWhite:
6936 case BeginningOfGame:
6937 if(!WhiteOnMove(currentMove)) return FALSE;
6939 case MachinePlaysWhite:
6940 case IcsPlayingBlack:
6941 if(WhiteOnMove(currentMove)) return FALSE;
6948 cl.pieceIn = EmptySquare;
6953 cl.promoCharIn = NULLCHAR;
6954 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6955 if( cl.kind == NormalMove ||
6956 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6957 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6958 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6965 if(cl.kind != ImpossibleMove) return FALSE;
6966 cl.pieceIn = EmptySquare;
6971 cl.promoCharIn = NULLCHAR;
6972 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6973 if( cl.kind == NormalMove ||
6974 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6975 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6976 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6981 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6987 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6988 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6989 int lastLoadGameUseList = FALSE;
6990 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6991 ChessMove lastLoadGameStart = EndOfFile;
6993 Boolean addToBookFlag;
6994 static Board rightsBoard, nullBoard;
6997 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
7001 int ff=fromX, rf=fromY, ft=toX, rt=toY;
7003 /* Check if the user is playing in turn. This is complicated because we
7004 let the user "pick up" a piece before it is his turn. So the piece he
7005 tried to pick up may have been captured by the time he puts it down!
7006 Therefore we use the color the user is supposed to be playing in this
7007 test, not the color of the piece that is currently on the starting
7008 square---except in EditGame mode, where the user is playing both
7009 sides; fortunately there the capture race can't happen. (It can
7010 now happen in IcsExamining mode, but that's just too bad. The user
7011 will get a somewhat confusing message in that case.)
7016 case TwoMachinesPlay:
7020 /* We switched into a game mode where moves are not accepted,
7021 perhaps while the mouse button was down. */
7024 case MachinePlaysWhite:
7025 /* User is moving for Black */
7026 if (WhiteOnMove(currentMove)) {
7027 DisplayMoveError(_("It is White's turn"));
7032 case MachinePlaysBlack:
7033 /* User is moving for White */
7034 if (!WhiteOnMove(currentMove)) {
7035 DisplayMoveError(_("It is Black's turn"));
7040 case PlayFromGameFile:
7041 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7044 case BeginningOfGame:
7047 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7048 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7049 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7050 /* User is moving for Black */
7051 if (WhiteOnMove(currentMove)) {
7052 DisplayMoveError(_("It is White's turn"));
7056 /* User is moving for White */
7057 if (!WhiteOnMove(currentMove)) {
7058 DisplayMoveError(_("It is Black's turn"));
7064 case IcsPlayingBlack:
7065 /* User is moving for Black */
7066 if (WhiteOnMove(currentMove)) {
7067 if (!appData.premove) {
7068 DisplayMoveError(_("It is White's turn"));
7069 } else if (toX >= 0 && toY >= 0) {
7072 premoveFromX = fromX;
7073 premoveFromY = fromY;
7074 premovePromoChar = promoChar;
7076 if (appData.debugMode)
7077 fprintf(debugFP, "Got premove: fromX %d,"
7078 "fromY %d, toX %d, toY %d\n",
7079 fromX, fromY, toX, toY);
7081 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7086 case IcsPlayingWhite:
7087 /* User is moving for White */
7088 if (!WhiteOnMove(currentMove)) {
7089 if (!appData.premove) {
7090 DisplayMoveError(_("It is Black's turn"));
7091 } else if (toX >= 0 && toY >= 0) {
7094 premoveFromX = fromX;
7095 premoveFromY = fromY;
7096 premovePromoChar = promoChar;
7098 if (appData.debugMode)
7099 fprintf(debugFP, "Got premove: fromX %d,"
7100 "fromY %d, toX %d, toY %d\n",
7101 fromX, fromY, toX, toY);
7103 DrawPosition(TRUE, boards[currentMove]);
7112 /* EditPosition, empty square, or different color piece;
7113 click-click move is possible */
7114 if (toX == -2 || toY == -2) {
7115 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7116 DrawPosition(FALSE, boards[currentMove]);
7118 } else if (toX >= 0 && toY >= 0) {
7119 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7120 ChessSquare p = boards[0][rf][ff];
7121 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7122 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7123 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7124 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7125 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7128 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7129 boards[0][toY][toX] = boards[0][fromY][fromX];
7130 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7131 if(boards[0][fromY][0] != EmptySquare) {
7132 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7133 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7136 if(fromX == BOARD_RGHT+1) {
7137 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7138 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7139 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7142 boards[0][fromY][fromX] = gatingPiece;
7144 DrawPosition(FALSE, boards[currentMove]);
7150 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7151 pup = boards[currentMove][toY][toX];
7153 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7154 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7155 if( pup != EmptySquare ) return;
7156 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7157 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7158 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7159 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7160 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7161 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7162 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7166 /* [HGM] always test for legality, to get promotion info */
7167 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7168 fromY, fromX, toY, toX, promoChar);
7170 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7172 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7174 /* [HGM] but possibly ignore an IllegalMove result */
7175 if (appData.testLegality) {
7176 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7177 DisplayMoveError(_("Illegal move"));
7182 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7183 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7184 ClearPremoveHighlights(); // was included
7185 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7186 DrawPosition(FALSE, NULL);
7190 if(addToBookFlag) { // adding moves to book
7191 char buf[MSG_SIZ], move[MSG_SIZ];
7192 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7193 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7194 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7195 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7197 addToBookFlag = FALSE;
7202 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7205 /* Common tail of UserMoveEvent and DropMenuEvent */
7207 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7211 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7212 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7213 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7214 if(WhiteOnMove(currentMove)) {
7215 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7217 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7221 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7222 move type in caller when we know the move is a legal promotion */
7223 if(moveType == NormalMove && promoChar)
7224 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7226 /* [HGM] <popupFix> The following if has been moved here from
7227 UserMoveEvent(). Because it seemed to belong here (why not allow
7228 piece drops in training games?), and because it can only be
7229 performed after it is known to what we promote. */
7230 if (gameMode == Training) {
7231 /* compare the move played on the board to the next move in the
7232 * game. If they match, display the move and the opponent's response.
7233 * If they don't match, display an error message.
7237 CopyBoard(testBoard, boards[currentMove]);
7238 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7240 if (CompareBoards(testBoard, boards[currentMove+1])) {
7241 ForwardInner(currentMove+1);
7243 /* Autoplay the opponent's response.
7244 * if appData.animate was TRUE when Training mode was entered,
7245 * the response will be animated.
7247 saveAnimate = appData.animate;
7248 appData.animate = animateTraining;
7249 ForwardInner(currentMove+1);
7250 appData.animate = saveAnimate;
7252 /* check for the end of the game */
7253 if (currentMove >= forwardMostMove) {
7254 gameMode = PlayFromGameFile;
7256 SetTrainingModeOff();
7257 DisplayInformation(_("End of game"));
7260 DisplayError(_("Incorrect move"), 0);
7265 /* Ok, now we know that the move is good, so we can kill
7266 the previous line in Analysis Mode */
7267 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7268 && currentMove < forwardMostMove) {
7269 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7270 else forwardMostMove = currentMove;
7275 /* If we need the chess program but it's dead, restart it */
7276 ResurrectChessProgram();
7278 /* A user move restarts a paused game*/
7282 thinkOutput[0] = NULLCHAR;
7284 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7286 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7287 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7291 if (gameMode == BeginningOfGame) {
7292 if (appData.noChessProgram) {
7293 gameMode = EditGame;
7297 gameMode = MachinePlaysBlack;
7300 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7302 if (first.sendName) {
7303 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7304 SendToProgram(buf, &first);
7311 /* Relay move to ICS or chess engine */
7312 if (appData.icsActive) {
7313 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7314 gameMode == IcsExamining) {
7315 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7316 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7318 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7320 // also send plain move, in case ICS does not understand atomic claims
7321 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7325 if (first.sendTime && (gameMode == BeginningOfGame ||
7326 gameMode == MachinePlaysWhite ||
7327 gameMode == MachinePlaysBlack)) {
7328 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7330 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7331 // [HGM] book: if program might be playing, let it use book
7332 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7333 first.maybeThinking = TRUE;
7334 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7335 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7336 SendBoard(&first, currentMove+1);
7337 if(second.analyzing) {
7338 if(!second.useSetboard) SendToProgram("undo\n", &second);
7339 SendBoard(&second, currentMove+1);
7342 SendMoveToProgram(forwardMostMove-1, &first);
7343 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7345 if (currentMove == cmailOldMove + 1) {
7346 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7350 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7354 if(appData.testLegality)
7355 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7361 if (WhiteOnMove(currentMove)) {
7362 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7364 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7368 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7373 case MachinePlaysBlack:
7374 case MachinePlaysWhite:
7375 /* disable certain menu options while machine is thinking */
7376 SetMachineThinkingEnables();
7383 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7384 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7386 if(bookHit) { // [HGM] book: simulate book reply
7387 static char bookMove[MSG_SIZ]; // a bit generous?
7389 programStats.nodes = programStats.depth = programStats.time =
7390 programStats.score = programStats.got_only_move = 0;
7391 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7393 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7394 strcat(bookMove, bookHit);
7395 HandleMachineMove(bookMove, &first);
7401 MarkByFEN(char *fen)
7404 if(!appData.markers || !appData.highlightDragging) return;
7405 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = marker[r][f] = 0;
7406 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7409 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7410 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7411 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 6; else
7412 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7413 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7414 if(*fen == 'T') marker[r][f++] = 0; else
7415 if(*fen == 'Y') marker[r][f++] = 1; else
7416 if(*fen == 'G') marker[r][f++] = 3; else
7417 if(*fen == 'B') marker[r][f++] = 4; else
7418 if(*fen == 'C') marker[r][f++] = 5; else
7419 if(*fen == 'M') marker[r][f++] = 6; else
7420 if(*fen == 'W') marker[r][f++] = 7; else
7421 if(*fen == 'D') marker[r][f++] = 8; else
7422 if(*fen == 'R') marker[r][f++] = 2; else {
7423 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7426 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7430 DrawPosition(TRUE, NULL);
7433 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7436 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7438 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7439 Markers *m = (Markers *) closure;
7440 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7441 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7442 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7443 || kind == WhiteCapturesEnPassant
7444 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7445 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7448 static int hoverSavedValid;
7451 MarkTargetSquares (int clear)
7454 if(clear) { // no reason to ever suppress clearing
7455 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7456 hoverSavedValid = 0;
7457 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7460 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7461 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7462 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7463 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7464 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7466 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = legal[y][x] = 0;
7469 DrawPosition(FALSE, NULL);
7473 Explode (Board board, int fromX, int fromY, int toX, int toY)
7475 if(gameInfo.variant == VariantAtomic &&
7476 (board[toY][toX] != EmptySquare || // capture?
7477 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7478 board[fromY][fromX] == BlackPawn )
7480 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7486 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7489 CanPromote (ChessSquare piece, int y)
7491 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7492 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7493 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7494 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7495 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7496 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7497 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7498 return (piece == BlackPawn && y <= zone ||
7499 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7500 piece == BlackLance && y <= zone ||
7501 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7505 HoverEvent (int xPix, int yPix, int x, int y)
7507 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7509 if(!first.highlight) return;
7510 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7511 if(x == oldX && y == oldY) return; // only do something if we enter new square
7512 oldFromX = fromX; oldFromY = fromY;
7513 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7514 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7515 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7516 hoverSavedValid = 1;
7517 } else if(oldX != x || oldY != y) {
7518 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7519 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7520 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7521 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7522 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7524 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7525 SendToProgram(buf, &first);
7528 // SetHighlights(fromX, fromY, x, y);
7532 void ReportClick(char *action, int x, int y)
7534 char buf[MSG_SIZ]; // Inform engine of what user does
7536 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7537 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7538 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7539 if(!first.highlight || gameMode == EditPosition) return;
7540 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7541 SendToProgram(buf, &first);
7544 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7545 Boolean deferChoice;
7548 LeftClick (ClickType clickType, int xPix, int yPix)
7551 static Boolean saveAnimate;
7552 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7553 char promoChoice = NULLCHAR;
7555 static TimeMark lastClickTime, prevClickTime;
7557 if(flashing) return;
7559 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7560 x = EventToSquare(xPix, BOARD_WIDTH);
7561 y = EventToSquare(yPix, BOARD_HEIGHT);
7562 if (!flipView && y >= 0) {
7563 y = BOARD_HEIGHT - 1 - y;
7565 if (flipView && x >= 0) {
7566 x = BOARD_WIDTH - 1 - x;
7569 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7571 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7576 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7578 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7580 if (clickType == Press) ErrorPopDown();
7581 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7583 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7584 defaultPromoChoice = promoSweep;
7585 promoSweep = EmptySquare; // terminate sweep
7586 promoDefaultAltered = TRUE;
7587 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7590 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7591 if(clickType == Release) return; // ignore upclick of click-click destination
7592 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7593 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7594 if(gameInfo.holdingsWidth &&
7595 (WhiteOnMove(currentMove)
7596 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7597 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7598 // click in right holdings, for determining promotion piece
7599 ChessSquare p = boards[currentMove][y][x];
7600 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7601 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7602 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7603 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7608 DrawPosition(FALSE, boards[currentMove]);
7612 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7613 if(clickType == Press
7614 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7615 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7616 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7619 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7620 // could be static click on premove from-square: abort premove
7622 ClearPremoveHighlights();
7625 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7626 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7628 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7629 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7630 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7631 defaultPromoChoice = DefaultPromoChoice(side);
7634 autoQueen = appData.alwaysPromoteToQueen;
7638 gatingPiece = EmptySquare;
7639 if (clickType != Press) {
7640 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7641 DragPieceEnd(xPix, yPix); dragging = 0;
7642 DrawPosition(FALSE, NULL);
7646 doubleClick = FALSE;
7647 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7648 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7650 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7651 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7652 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7653 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7655 if (OKToStartUserMove(fromX, fromY)) {
7657 ReportClick("lift", x, y);
7658 MarkTargetSquares(0);
7659 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7660 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7661 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7662 promoSweep = defaultPromoChoice;
7663 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7664 Sweep(0); // Pawn that is going to promote: preview promotion piece
7665 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7667 if (appData.highlightDragging) {
7668 SetHighlights(fromX, fromY, -1, -1);
7672 } else fromX = fromY = -1;
7678 if (clickType == Press && gameMode != EditPosition) {
7683 // ignore off-board to clicks
7684 if(y < 0 || x < 0) return;
7686 /* Check if clicking again on the same color piece */
7687 fromP = boards[currentMove][fromY][fromX];
7688 toP = boards[currentMove][y][x];
7689 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7690 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7691 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7692 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7693 WhitePawn <= toP && toP <= WhiteKing &&
7694 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7695 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7696 (BlackPawn <= fromP && fromP <= BlackKing &&
7697 BlackPawn <= toP && toP <= BlackKing &&
7698 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7699 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7700 /* Clicked again on same color piece -- changed his mind */
7701 second = (x == fromX && y == fromY);
7702 killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7703 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7704 second = FALSE; // first double-click rather than scond click
7705 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7707 promoDefaultAltered = FALSE;
7708 if(!second) MarkTargetSquares(1);
7709 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7710 if (appData.highlightDragging) {
7711 SetHighlights(x, y, -1, -1);
7715 if (OKToStartUserMove(x, y)) {
7716 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7717 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7718 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7719 gatingPiece = boards[currentMove][fromY][fromX];
7720 else gatingPiece = doubleClick ? fromP : EmptySquare;
7722 fromY = y; dragging = 1;
7723 if(!second) ReportClick("lift", x, y);
7724 MarkTargetSquares(0);
7725 DragPieceBegin(xPix, yPix, FALSE);
7726 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7727 promoSweep = defaultPromoChoice;
7728 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7729 Sweep(0); // Pawn that is going to promote: preview promotion piece
7733 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7736 // ignore clicks on holdings
7737 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7740 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7741 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7742 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7746 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7747 DragPieceEnd(xPix, yPix); dragging = 0;
7749 // a deferred attempt to click-click move an empty square on top of a piece
7750 boards[currentMove][y][x] = EmptySquare;
7752 DrawPosition(FALSE, boards[currentMove]);
7753 fromX = fromY = -1; clearFlag = 0;
7756 if (appData.animateDragging) {
7757 /* Undo animation damage if any */
7758 DrawPosition(FALSE, NULL);
7761 /* Second up/down in same square; just abort move */
7764 gatingPiece = EmptySquare;
7767 ClearPremoveHighlights();
7768 MarkTargetSquares(-1);
7769 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7771 /* First upclick in same square; start click-click mode */
7772 SetHighlights(x, y, -1, -1);
7779 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7780 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7781 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7782 DisplayMessage(_("only marked squares are legal"),"");
7783 DrawPosition(TRUE, NULL);
7784 return; // ignore to-click
7787 /* we now have a different from- and (possibly off-board) to-square */
7788 /* Completed move */
7789 if(!sweepSelecting) {
7794 piece = boards[currentMove][fromY][fromX];
7796 saveAnimate = appData.animate;
7797 if (clickType == Press) {
7798 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7799 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7800 // must be Edit Position mode with empty-square selected
7801 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7802 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7805 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7808 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7809 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7811 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7812 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7813 if(appData.sweepSelect) {
7814 promoSweep = defaultPromoChoice;
7815 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7816 selectFlag = 0; lastX = xPix; lastY = yPix;
7817 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7818 saveFlash = appData.flashCount; appData.flashCount = 0;
7819 Sweep(0); // Pawn that is going to promote: preview promotion piece
7821 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7822 MarkTargetSquares(1);
7824 return; // promo popup appears on up-click
7826 /* Finish clickclick move */
7827 if (appData.animate || appData.highlightLastMove) {
7828 SetHighlights(fromX, fromY, toX, toY);
7832 MarkTargetSquares(1);
7833 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7834 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7835 *promoRestrict = 0; appData.flashCount = saveFlash;
7836 if (appData.animate || appData.highlightLastMove) {
7837 SetHighlights(fromX, fromY, toX, toY);
7841 MarkTargetSquares(1);
7844 // [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
7845 /* Finish drag move */
7846 if (appData.highlightLastMove) {
7847 SetHighlights(fromX, fromY, toX, toY);
7852 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7853 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7854 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7855 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7856 dragging *= 2; // flag button-less dragging if we are dragging
7857 MarkTargetSquares(1);
7858 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7860 kill2X = killX; kill2Y = killY;
7861 killX = x; killY = y; // remember this square as intermediate
7862 ReportClick("put", x, y); // and inform engine
7863 ReportClick("lift", x, y);
7864 MarkTargetSquares(0);
7868 DragPieceEnd(xPix, yPix); dragging = 0;
7869 /* Don't animate move and drag both */
7870 appData.animate = FALSE;
7871 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7874 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7875 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7876 ChessSquare piece = boards[currentMove][fromY][fromX];
7877 if(gameMode == EditPosition && piece != EmptySquare &&
7878 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7881 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7882 n = PieceToNumber(piece - (int)BlackPawn);
7883 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7884 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7885 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7887 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7888 n = PieceToNumber(piece);
7889 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7890 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7891 boards[currentMove][n][BOARD_WIDTH-2]++;
7893 boards[currentMove][fromY][fromX] = EmptySquare;
7897 MarkTargetSquares(1);
7898 DrawPosition(TRUE, boards[currentMove]);
7902 // off-board moves should not be highlighted
7903 if(x < 0 || y < 0) {
7905 DrawPosition(FALSE, NULL);
7906 } else ReportClick("put", x, y);
7908 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7911 if(legal[toY][toX] == 2) { // highlight-induced promotion
7912 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7913 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7914 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7915 if(!*promoRestrict) { // but has not done that yet
7916 deferChoice = TRUE; // set up retry for when it does
7917 return; // and wait for that
7919 promoChoice = ToLower(*promoRestrict); // force engine's choice
7920 deferChoice = FALSE;
7923 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7924 SetHighlights(fromX, fromY, toX, toY);
7925 MarkTargetSquares(1);
7926 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7927 // [HGM] super: promotion to captured piece selected from holdings
7928 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7929 promotionChoice = TRUE;
7930 // kludge follows to temporarily execute move on display, without promoting yet
7931 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7932 boards[currentMove][toY][toX] = p;
7933 DrawPosition(FALSE, boards[currentMove]);
7934 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7935 boards[currentMove][toY][toX] = q;
7936 DisplayMessage("Click in holdings to choose piece", "");
7939 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7940 PromotionPopUp(promoChoice);
7942 int oldMove = currentMove;
7943 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7944 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7945 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7946 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7947 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7948 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7949 DrawPosition(TRUE, boards[currentMove]);
7950 else DrawPosition(FALSE, NULL);
7954 appData.animate = saveAnimate;
7955 if (appData.animate || appData.animateDragging) {
7956 /* Undo animation damage if needed */
7957 // DrawPosition(FALSE, NULL);
7962 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7963 { // front-end-free part taken out of PieceMenuPopup
7964 int whichMenu; int xSqr, ySqr;
7966 if(seekGraphUp) { // [HGM] seekgraph
7967 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7968 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7972 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7973 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7974 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7975 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7976 if(action == Press) {
7977 originalFlip = flipView;
7978 flipView = !flipView; // temporarily flip board to see game from partners perspective
7979 DrawPosition(TRUE, partnerBoard);
7980 DisplayMessage(partnerStatus, "");
7982 } else if(action == Release) {
7983 flipView = originalFlip;
7984 DrawPosition(TRUE, boards[currentMove]);
7990 xSqr = EventToSquare(x, BOARD_WIDTH);
7991 ySqr = EventToSquare(y, BOARD_HEIGHT);
7992 if (action == Release) {
7993 if(pieceSweep != EmptySquare) {
7994 EditPositionMenuEvent(pieceSweep, toX, toY);
7995 pieceSweep = EmptySquare;
7996 } else UnLoadPV(); // [HGM] pv
7998 if (action != Press) return -2; // return code to be ignored
8001 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
8003 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
8004 if (xSqr < 0 || ySqr < 0) return -1;
8005 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8006 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8007 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
8008 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
8012 if(!appData.icsEngineAnalyze) return -1;
8013 case IcsPlayingWhite:
8014 case IcsPlayingBlack:
8015 if(!appData.zippyPlay) goto noZip;
8018 case MachinePlaysWhite:
8019 case MachinePlaysBlack:
8020 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8021 if (!appData.dropMenu) {
8023 return 2; // flag front-end to grab mouse events
8025 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8026 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8029 if (xSqr < 0 || ySqr < 0) return -1;
8030 if (!appData.dropMenu || appData.testLegality &&
8031 gameInfo.variant != VariantBughouse &&
8032 gameInfo.variant != VariantCrazyhouse) return -1;
8033 whichMenu = 1; // drop menu
8039 if (((*fromX = xSqr) < 0) ||
8040 ((*fromY = ySqr) < 0)) {
8041 *fromX = *fromY = -1;
8045 *fromX = BOARD_WIDTH - 1 - *fromX;
8047 *fromY = BOARD_HEIGHT - 1 - *fromY;
8053 Wheel (int dir, int x, int y)
8055 if(gameMode == EditPosition) {
8056 int xSqr = EventToSquare(x, BOARD_WIDTH);
8057 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8058 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8059 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8061 boards[currentMove][ySqr][xSqr] += dir;
8062 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8063 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8064 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8065 DrawPosition(FALSE, boards[currentMove]);
8066 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8070 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8072 // char * hint = lastHint;
8073 FrontEndProgramStats stats;
8075 stats.which = cps == &first ? 0 : 1;
8076 stats.depth = cpstats->depth;
8077 stats.nodes = cpstats->nodes;
8078 stats.score = cpstats->score;
8079 stats.time = cpstats->time;
8080 stats.pv = cpstats->movelist;
8081 stats.hint = lastHint;
8082 stats.an_move_index = 0;
8083 stats.an_move_count = 0;
8085 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8086 stats.hint = cpstats->move_name;
8087 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8088 stats.an_move_count = cpstats->nr_moves;
8091 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
8093 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8094 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8096 SetProgramStats( &stats );
8100 ClearEngineOutputPane (int which)
8102 static FrontEndProgramStats dummyStats;
8103 dummyStats.which = which;
8104 dummyStats.pv = "#";
8105 SetProgramStats( &dummyStats );
8108 #define MAXPLAYERS 500
8111 TourneyStandings (int display)
8113 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8114 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8115 char result, *p, *names[MAXPLAYERS];
8117 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8118 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8119 names[0] = p = strdup(appData.participants);
8120 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8122 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8124 while(result = appData.results[nr]) {
8125 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8126 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8127 wScore = bScore = 0;
8129 case '+': wScore = 2; break;
8130 case '-': bScore = 2; break;
8131 case '=': wScore = bScore = 1; break;
8133 case '*': return strdup("busy"); // tourney not finished
8141 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8142 for(w=0; w<nPlayers; w++) {
8144 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8145 ranking[w] = b; points[w] = bScore; score[b] = -2;
8147 p = malloc(nPlayers*34+1);
8148 for(w=0; w<nPlayers && w<display; w++)
8149 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8155 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8156 { // count all piece types
8158 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8159 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8160 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8163 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8164 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8165 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8166 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8167 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8168 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8173 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8175 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8176 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8178 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8179 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8180 if(myPawns == 2 && nMine == 3) // KPP
8181 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8182 if(myPawns == 1 && nMine == 2) // KP
8183 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8184 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8185 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8186 if(myPawns) return FALSE;
8187 if(pCnt[WhiteRook+side])
8188 return pCnt[BlackRook-side] ||
8189 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8190 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8191 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8192 if(pCnt[WhiteCannon+side]) {
8193 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8194 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8196 if(pCnt[WhiteKnight+side])
8197 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8202 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8204 VariantClass v = gameInfo.variant;
8206 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8207 if(v == VariantShatranj) return TRUE; // always winnable through baring
8208 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8209 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8211 if(v == VariantXiangqi) {
8212 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8214 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8215 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8216 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8217 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8218 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8219 if(stale) // we have at least one last-rank P plus perhaps C
8220 return majors // KPKX
8221 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8223 return pCnt[WhiteFerz+side] // KCAK
8224 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8225 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8226 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8228 } else if(v == VariantKnightmate) {
8229 if(nMine == 1) return FALSE;
8230 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8231 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8232 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8234 if(nMine == 1) return FALSE; // bare King
8235 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
8236 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8237 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8238 // by now we have King + 1 piece (or multiple Bishops on the same color)
8239 if(pCnt[WhiteKnight+side])
8240 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8241 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8242 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8244 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8245 if(pCnt[WhiteAlfil+side])
8246 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8247 if(pCnt[WhiteWazir+side])
8248 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8255 CompareWithRights (Board b1, Board b2)
8258 if(!CompareBoards(b1, b2)) return FALSE;
8259 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8260 /* compare castling rights */
8261 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8262 rights++; /* King lost rights, while rook still had them */
8263 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8264 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8265 rights++; /* but at least one rook lost them */
8267 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8269 if( b1[CASTLING][5] != NoRights ) {
8270 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8277 Adjudicate (ChessProgramState *cps)
8278 { // [HGM] some adjudications useful with buggy engines
8279 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8280 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8281 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8282 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8283 int k, drop, count = 0; static int bare = 1;
8284 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8285 Boolean canAdjudicate = !appData.icsActive;
8287 // most tests only when we understand the game, i.e. legality-checking on
8288 if( appData.testLegality )
8289 { /* [HGM] Some more adjudications for obstinate engines */
8290 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8291 static int moveCount = 6;
8293 char *reason = NULL;
8295 /* Count what is on board. */
8296 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8298 /* Some material-based adjudications that have to be made before stalemate test */
8299 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8300 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8301 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8302 if(canAdjudicate && appData.checkMates) {
8304 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8305 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8306 "Xboard adjudication: King destroyed", GE_XBOARD );
8311 /* Bare King in Shatranj (loses) or Losers (wins) */
8312 if( nrW == 1 || nrB == 1) {
8313 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8314 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8315 if(canAdjudicate && appData.checkMates) {
8317 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8318 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8319 "Xboard adjudication: Bare king", GE_XBOARD );
8323 if( gameInfo.variant == VariantShatranj && --bare < 0)
8325 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8326 if(canAdjudicate && appData.checkMates) {
8327 /* but only adjudicate if adjudication enabled */
8329 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8330 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8331 "Xboard adjudication: Bare king", GE_XBOARD );
8338 // don't wait for engine to announce game end if we can judge ourselves
8339 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8341 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8342 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8343 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8344 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8347 reason = "Xboard adjudication: 3rd check";
8348 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8359 reason = "Xboard adjudication: Stalemate";
8360 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8361 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8362 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8363 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8364 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8365 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8366 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8367 EP_CHECKMATE : EP_WINS);
8368 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8369 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8373 reason = "Xboard adjudication: Checkmate";
8374 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8375 if(gameInfo.variant == VariantShogi) {
8376 if(forwardMostMove > backwardMostMove
8377 && moveList[forwardMostMove-1][1] == '@'
8378 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8379 reason = "XBoard adjudication: pawn-drop mate";
8380 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8386 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8388 result = GameIsDrawn; break;
8390 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8392 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8396 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8398 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8399 GameEnds( result, reason, GE_XBOARD );
8403 /* Next absolutely insufficient mating material. */
8404 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8405 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8406 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8408 /* always flag draws, for judging claims */
8409 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8411 if(canAdjudicate && appData.materialDraws) {
8412 /* but only adjudicate them if adjudication enabled */
8413 if(engineOpponent) {
8414 SendToProgram("force\n", engineOpponent); // suppress reply
8415 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8417 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8422 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8423 if(gameInfo.variant == VariantXiangqi ?
8424 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8426 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8427 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8428 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8429 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8431 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8432 { /* if the first 3 moves do not show a tactical win, declare draw */
8433 if(engineOpponent) {
8434 SendToProgram("force\n", engineOpponent); // suppress reply
8435 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8437 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8440 } else moveCount = 6;
8443 // Repetition draws and 50-move rule can be applied independently of legality testing
8445 /* Check for rep-draws */
8447 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8448 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8449 for(k = forwardMostMove-2;
8450 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8451 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8452 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8455 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8456 /* compare castling rights */
8457 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8458 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8459 rights++; /* King lost rights, while rook still had them */
8460 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8461 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8462 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8463 rights++; /* but at least one rook lost them */
8465 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8466 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8468 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8469 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8470 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8473 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8474 && appData.drawRepeats > 1) {
8475 /* adjudicate after user-specified nr of repeats */
8476 int result = GameIsDrawn;
8477 char *details = "XBoard adjudication: repetition draw";
8478 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8479 // [HGM] xiangqi: check for forbidden perpetuals
8480 int m, ourPerpetual = 1, hisPerpetual = 1;
8481 for(m=forwardMostMove; m>k; m-=2) {
8482 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8483 ourPerpetual = 0; // the current mover did not always check
8484 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8485 hisPerpetual = 0; // the opponent did not always check
8487 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8488 ourPerpetual, hisPerpetual);
8489 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8490 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8491 details = "Xboard adjudication: perpetual checking";
8493 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8494 break; // (or we would have caught him before). Abort repetition-checking loop.
8496 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8497 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8499 details = "Xboard adjudication: repetition";
8501 } else // it must be XQ
8502 // Now check for perpetual chases
8503 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8504 hisPerpetual = PerpetualChase(k, forwardMostMove);
8505 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8506 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8507 static char resdet[MSG_SIZ];
8508 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8510 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8512 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8513 break; // Abort repetition-checking loop.
8515 // if neither of us is checking or chasing all the time, or both are, it is draw
8517 if(engineOpponent) {
8518 SendToProgram("force\n", engineOpponent); // suppress reply
8519 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8521 GameEnds( result, details, GE_XBOARD );
8524 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8525 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8529 /* Now we test for 50-move draws. Determine ply count */
8530 count = forwardMostMove;
8531 /* look for last irreversble move */
8532 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8534 /* if we hit starting position, add initial plies */
8535 if( count == backwardMostMove )
8536 count -= initialRulePlies;
8537 count = forwardMostMove - count;
8538 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8539 // adjust reversible move counter for checks in Xiangqi
8540 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8541 if(i < backwardMostMove) i = backwardMostMove;
8542 while(i <= forwardMostMove) {
8543 lastCheck = inCheck; // check evasion does not count
8544 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8545 if(inCheck || lastCheck) count--; // check does not count
8550 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8551 /* this is used to judge if draw claims are legal */
8552 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8553 if(engineOpponent) {
8554 SendToProgram("force\n", engineOpponent); // suppress reply
8555 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8557 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8561 /* if draw offer is pending, treat it as a draw claim
8562 * when draw condition present, to allow engines a way to
8563 * claim draws before making their move to avoid a race
8564 * condition occurring after their move
8566 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8568 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8569 p = "Draw claim: 50-move rule";
8570 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8571 p = "Draw claim: 3-fold repetition";
8572 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8573 p = "Draw claim: insufficient mating material";
8574 if( p != NULL && canAdjudicate) {
8575 if(engineOpponent) {
8576 SendToProgram("force\n", engineOpponent); // suppress reply
8577 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8579 GameEnds( GameIsDrawn, p, GE_XBOARD );
8584 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8585 if(engineOpponent) {
8586 SendToProgram("force\n", engineOpponent); // suppress reply
8587 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8589 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8595 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8596 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8597 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8602 int pieces[10], squares[10], cnt=0, r, f, res;
8604 static PPROBE_EGBB probeBB;
8605 if(!appData.testLegality) return 10;
8606 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8607 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8608 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8609 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8610 ChessSquare piece = boards[forwardMostMove][r][f];
8611 int black = (piece >= BlackPawn);
8612 int type = piece - black*BlackPawn;
8613 if(piece == EmptySquare) continue;
8614 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8615 if(type == WhiteKing) type = WhiteQueen + 1;
8616 type = egbbCode[type];
8617 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8618 pieces[cnt] = type + black*6;
8619 if(++cnt > 5) return 11;
8621 pieces[cnt] = squares[cnt] = 0;
8623 if(loaded == 2) return 13; // loading failed before
8625 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8628 loaded = 2; // prepare for failure
8629 if(!path) return 13; // no egbb installed
8630 strncpy(buf, path + 8, MSG_SIZ);
8631 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8632 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8633 lib = LoadLibrary(buf);
8634 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8635 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8636 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8637 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8638 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8639 loaded = 1; // success!
8641 res = probeBB(forwardMostMove & 1, pieces, squares);
8642 return res > 0 ? 1 : res < 0 ? -1 : 0;
8646 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8647 { // [HGM] book: this routine intercepts moves to simulate book replies
8648 char *bookHit = NULL;
8650 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8652 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8653 SendToProgram(buf, cps);
8655 //first determine if the incoming move brings opponent into his book
8656 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8657 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8658 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8659 if(bookHit != NULL && !cps->bookSuspend) {
8660 // make sure opponent is not going to reply after receiving move to book position
8661 SendToProgram("force\n", cps);
8662 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8664 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8665 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8666 // now arrange restart after book miss
8668 // after a book hit we never send 'go', and the code after the call to this routine
8669 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8670 char buf[MSG_SIZ], *move = bookHit;
8672 int fromX, fromY, toX, toY;
8676 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8677 &fromX, &fromY, &toX, &toY, &promoChar)) {
8678 (void) CoordsToAlgebraic(boards[forwardMostMove],
8679 PosFlags(forwardMostMove),
8680 fromY, fromX, toY, toX, promoChar, move);
8682 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8686 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8687 SendToProgram(buf, cps);
8688 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8689 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8690 SendToProgram("go\n", cps);
8691 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8692 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8693 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8694 SendToProgram("go\n", cps);
8695 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8697 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8701 LoadError (char *errmess, ChessProgramState *cps)
8702 { // unloads engine and switches back to -ncp mode if it was first
8703 if(cps->initDone) return FALSE;
8704 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8705 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8708 appData.noChessProgram = TRUE;
8709 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8710 gameMode = BeginningOfGame; ModeHighlight();
8713 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8714 DisplayMessage("", ""); // erase waiting message
8715 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8720 ChessProgramState *savedState;
8722 DeferredBookMove (void)
8724 if(savedState->lastPing != savedState->lastPong)
8725 ScheduleDelayedEvent(DeferredBookMove, 10);
8727 HandleMachineMove(savedMessage, savedState);
8730 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8731 static ChessProgramState *stalledEngine;
8732 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8735 HandleMachineMove (char *message, ChessProgramState *cps)
8737 static char firstLeg[20], legs;
8738 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8739 char realname[MSG_SIZ];
8740 int fromX, fromY, toX, toY;
8742 char promoChar, roar;
8747 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8748 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8749 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8750 DisplayError(_("Invalid pairing from pairing engine"), 0);
8753 pairingReceived = 1;
8755 return; // Skim the pairing messages here.
8758 oldError = cps->userError; cps->userError = 0;
8760 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8762 * Kludge to ignore BEL characters
8764 while (*message == '\007') message++;
8767 * [HGM] engine debug message: ignore lines starting with '#' character
8769 if(cps->debug && *message == '#') return;
8772 * Look for book output
8774 if (cps == &first && bookRequested) {
8775 if (message[0] == '\t' || message[0] == ' ') {
8776 /* Part of the book output is here; append it */
8777 strcat(bookOutput, message);
8778 strcat(bookOutput, " \n");
8780 } else if (bookOutput[0] != NULLCHAR) {
8781 /* All of book output has arrived; display it */
8782 char *p = bookOutput;
8783 while (*p != NULLCHAR) {
8784 if (*p == '\t') *p = ' ';
8787 DisplayInformation(bookOutput);
8788 bookRequested = FALSE;
8789 /* Fall through to parse the current output */
8794 * Look for machine move.
8796 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8797 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8799 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8800 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8801 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8802 stalledEngine = cps;
8803 if(appData.ponderNextMove) { // bring opponent out of ponder
8804 if(gameMode == TwoMachinesPlay) {
8805 if(cps->other->pause)
8806 PauseEngine(cps->other);
8808 SendToProgram("easy\n", cps->other);
8817 /* This method is only useful on engines that support ping */
8818 if(abortEngineThink) {
8819 if (appData.debugMode) {
8820 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8822 SendToProgram("undo\n", cps);
8826 if (cps->lastPing != cps->lastPong) {
8827 /* Extra move from before last new; ignore */
8828 if (appData.debugMode) {
8829 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8836 int machineWhite = FALSE;
8839 case BeginningOfGame:
8840 /* Extra move from before last reset; ignore */
8841 if (appData.debugMode) {
8842 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8849 /* Extra move after we tried to stop. The mode test is
8850 not a reliable way of detecting this problem, but it's
8851 the best we can do on engines that don't support ping.
8853 if (appData.debugMode) {
8854 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8855 cps->which, gameMode);
8857 SendToProgram("undo\n", cps);
8860 case MachinePlaysWhite:
8861 case IcsPlayingWhite:
8862 machineWhite = TRUE;
8865 case MachinePlaysBlack:
8866 case IcsPlayingBlack:
8867 machineWhite = FALSE;
8870 case TwoMachinesPlay:
8871 machineWhite = (cps->twoMachinesColor[0] == 'w');
8874 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8875 if (appData.debugMode) {
8877 "Ignoring move out of turn by %s, gameMode %d"
8878 ", forwardMost %d\n",
8879 cps->which, gameMode, forwardMostMove);
8885 if(cps->alphaRank) AlphaRank(machineMove, 4);
8887 // [HGM] lion: (some very limited) support for Alien protocol
8888 killX = killY = kill2X = kill2Y = -1;
8889 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8890 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8891 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8894 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8895 char *q = strchr(p+1, ','); // second comma?
8896 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8897 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8898 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8900 if(firstLeg[0]) { // there was a previous leg;
8901 // only support case where same piece makes two step
8902 char buf[20], *p = machineMove+1, *q = buf+1, f;
8903 safeStrCpy(buf, machineMove, 20);
8904 while(isdigit(*q)) q++; // find start of to-square
8905 safeStrCpy(machineMove, firstLeg, 20);
8906 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8907 if(legs == 2) sscanf(p, "%c%d", &f, &kill2Y), kill2X = f - AAA, kill2Y -= ONE - '0'; // in 3-leg move 2nd kill is to-sqr of 1st leg
8908 else if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it is King move of castling)
8909 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8910 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8911 firstLeg[0] = NULLCHAR; legs = 0;
8914 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8915 &fromX, &fromY, &toX, &toY, &promoChar)) {
8916 /* Machine move could not be parsed; ignore it. */
8917 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8918 machineMove, _(cps->which));
8919 DisplayMoveError(buf1);
8920 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8921 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8922 if (gameMode == TwoMachinesPlay) {
8923 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8929 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8930 /* So we have to redo legality test with true e.p. status here, */
8931 /* to make sure an illegal e.p. capture does not slip through, */
8932 /* to cause a forfeit on a justified illegal-move complaint */
8933 /* of the opponent. */
8934 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8936 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8937 fromY, fromX, toY, toX, promoChar);
8938 if(moveType == IllegalMove) {
8939 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8940 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8941 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8944 } else if(!appData.fischerCastling)
8945 /* [HGM] Kludge to handle engines that send FRC-style castling
8946 when they shouldn't (like TSCP-Gothic) */
8948 case WhiteASideCastleFR:
8949 case BlackASideCastleFR:
8951 currentMoveString[2]++;
8953 case WhiteHSideCastleFR:
8954 case BlackHSideCastleFR:
8956 currentMoveString[2]--;
8958 default: ; // nothing to do, but suppresses warning of pedantic compilers
8961 hintRequested = FALSE;
8962 lastHint[0] = NULLCHAR;
8963 bookRequested = FALSE;
8964 /* Program may be pondering now */
8965 cps->maybeThinking = TRUE;
8966 if (cps->sendTime == 2) cps->sendTime = 1;
8967 if (cps->offeredDraw) cps->offeredDraw--;
8969 /* [AS] Save move info*/
8970 pvInfoList[ forwardMostMove ].score = programStats.score;
8971 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8972 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8974 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8976 /* Test suites abort the 'game' after one move */
8977 if(*appData.finger) {
8979 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8980 if(!f) f = fopen(appData.finger, "w");
8981 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8982 else { DisplayFatalError("Bad output file", errno, 0); return; }
8984 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8987 if(solvingTime >= 0) {
8988 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8989 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8991 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8992 if(solvingTime == -2) second.matchWins++;
8994 OutputKibitz(2, buf1);
8995 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8998 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8999 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
9002 while( count < adjudicateLossPlies ) {
9003 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9006 score = -score; /* Flip score for winning side */
9009 if( score > appData.adjudicateLossThreshold ) {
9016 if( count >= adjudicateLossPlies ) {
9017 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9019 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9020 "Xboard adjudication",
9027 if(Adjudicate(cps)) {
9028 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9029 return; // [HGM] adjudicate: for all automatic game ends
9033 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9035 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9036 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9038 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9040 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9042 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9043 char buf[3*MSG_SIZ];
9045 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9046 programStats.score / 100.,
9048 programStats.time / 100.,
9049 (unsigned int)programStats.nodes,
9050 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9051 programStats.movelist);
9057 /* [AS] Clear stats for next move */
9058 ClearProgramStats();
9059 thinkOutput[0] = NULLCHAR;
9060 hiddenThinkOutputState = 0;
9063 if (gameMode == TwoMachinesPlay) {
9064 /* [HGM] relaying draw offers moved to after reception of move */
9065 /* and interpreting offer as claim if it brings draw condition */
9066 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9067 SendToProgram("draw\n", cps->other);
9069 if (cps->other->sendTime) {
9070 SendTimeRemaining(cps->other,
9071 cps->other->twoMachinesColor[0] == 'w');
9073 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9074 if (firstMove && !bookHit) {
9076 if (cps->other->useColors) {
9077 SendToProgram(cps->other->twoMachinesColor, cps->other);
9079 SendToProgram("go\n", cps->other);
9081 cps->other->maybeThinking = TRUE;
9084 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9086 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9088 if (!pausing && appData.ringBellAfterMoves) {
9089 if(!roar) RingBell();
9093 * Reenable menu items that were disabled while
9094 * machine was thinking
9096 if (gameMode != TwoMachinesPlay)
9097 SetUserThinkingEnables();
9099 // [HGM] book: after book hit opponent has received move and is now in force mode
9100 // force the book reply into it, and then fake that it outputted this move by jumping
9101 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9103 static char bookMove[MSG_SIZ]; // a bit generous?
9105 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9106 strcat(bookMove, bookHit);
9109 programStats.nodes = programStats.depth = programStats.time =
9110 programStats.score = programStats.got_only_move = 0;
9111 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9113 if(cps->lastPing != cps->lastPong) {
9114 savedMessage = message; // args for deferred call
9116 ScheduleDelayedEvent(DeferredBookMove, 10);
9125 /* Set special modes for chess engines. Later something general
9126 * could be added here; for now there is just one kludge feature,
9127 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9128 * when "xboard" is given as an interactive command.
9130 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9131 cps->useSigint = FALSE;
9132 cps->useSigterm = FALSE;
9134 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9135 ParseFeatures(message+8, cps);
9136 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9139 if (!strncmp(message, "setup ", 6) &&
9140 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9141 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9142 ) { // [HGM] allow first engine to define opening position
9143 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9144 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9146 if(sscanf(message, "setup (%s", buf) == 1) {
9147 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9148 ASSIGN(appData.pieceToCharTable, buf);
9150 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9152 while(message[s] && message[s++] != ' ');
9153 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9154 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9155 if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9156 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9157 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9158 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9159 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9160 startedFromSetupPosition = FALSE;
9163 if(startedFromSetupPosition) return;
9164 ParseFEN(boards[0], &dummy, message+s, FALSE);
9165 DrawPosition(TRUE, boards[0]);
9166 CopyBoard(initialPosition, boards[0]);
9167 startedFromSetupPosition = TRUE;
9170 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9171 ChessSquare piece = WhitePawn;
9172 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9173 if(*p == '+') promoted++, ID = *++p;
9174 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9175 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9176 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9177 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9178 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9179 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9180 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9181 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9182 && gameInfo.variant != VariantGreat
9183 && gameInfo.variant != VariantFairy ) return;
9184 if(piece < EmptySquare) {
9186 ASSIGN(pieceDesc[piece], buf1);
9187 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9191 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9193 LeftClick(Press, 0, 0); // finish the click that was interrupted
9194 } else if(promoSweep != EmptySquare) {
9195 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9196 if(strlen(promoRestrict) > 1) Sweep(0);
9200 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9201 * want this, I was asked to put it in, and obliged.
9203 if (!strncmp(message, "setboard ", 9)) {
9204 Board initial_position;
9206 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9208 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9209 DisplayError(_("Bad FEN received from engine"), 0);
9213 CopyBoard(boards[0], initial_position);
9214 initialRulePlies = FENrulePlies;
9215 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9216 else gameMode = MachinePlaysBlack;
9217 DrawPosition(FALSE, boards[currentMove]);
9223 * Look for communication commands
9225 if (!strncmp(message, "telluser ", 9)) {
9226 if(message[9] == '\\' && message[10] == '\\')
9227 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9229 DisplayNote(message + 9);
9232 if (!strncmp(message, "tellusererror ", 14)) {
9234 if(message[14] == '\\' && message[15] == '\\')
9235 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9237 DisplayError(message + 14, 0);
9240 if (!strncmp(message, "tellopponent ", 13)) {
9241 if (appData.icsActive) {
9243 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9247 DisplayNote(message + 13);
9251 if (!strncmp(message, "tellothers ", 11)) {
9252 if (appData.icsActive) {
9254 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9257 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9260 if (!strncmp(message, "tellall ", 8)) {
9261 if (appData.icsActive) {
9263 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9267 DisplayNote(message + 8);
9271 if (strncmp(message, "warning", 7) == 0) {
9272 /* Undocumented feature, use tellusererror in new code */
9273 DisplayError(message, 0);
9276 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9277 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9278 strcat(realname, " query");
9279 AskQuestion(realname, buf2, buf1, cps->pr);
9282 /* Commands from the engine directly to ICS. We don't allow these to be
9283 * sent until we are logged on. Crafty kibitzes have been known to
9284 * interfere with the login process.
9287 if (!strncmp(message, "tellics ", 8)) {
9288 SendToICS(message + 8);
9292 if (!strncmp(message, "tellicsnoalias ", 15)) {
9293 SendToICS(ics_prefix);
9294 SendToICS(message + 15);
9298 /* The following are for backward compatibility only */
9299 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9300 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9301 SendToICS(ics_prefix);
9307 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9308 if(initPing == cps->lastPong) {
9309 if(gameInfo.variant == VariantUnknown) {
9310 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9311 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9312 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9316 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9317 abortEngineThink = FALSE;
9318 DisplayMessage("", "");
9323 if(!strncmp(message, "highlight ", 10)) {
9324 if(appData.testLegality && !*engineVariant && appData.markers) return;
9325 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9328 if(!strncmp(message, "click ", 6)) {
9329 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9330 if(appData.testLegality || !appData.oneClick) return;
9331 sscanf(message+6, "%c%d%c", &f, &y, &c);
9332 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9333 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9334 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9335 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9336 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9337 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9338 LeftClick(Release, lastLeftX, lastLeftY);
9339 controlKey = (c == ',');
9340 LeftClick(Press, x, y);
9341 LeftClick(Release, x, y);
9342 first.highlight = f;
9346 * If the move is illegal, cancel it and redraw the board.
9347 * Also deal with other error cases. Matching is rather loose
9348 * here to accommodate engines written before the spec.
9350 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9351 strncmp(message, "Error", 5) == 0) {
9352 if (StrStr(message, "name") ||
9353 StrStr(message, "rating") || StrStr(message, "?") ||
9354 StrStr(message, "result") || StrStr(message, "board") ||
9355 StrStr(message, "bk") || StrStr(message, "computer") ||
9356 StrStr(message, "variant") || StrStr(message, "hint") ||
9357 StrStr(message, "random") || StrStr(message, "depth") ||
9358 StrStr(message, "accepted")) {
9361 if (StrStr(message, "protover")) {
9362 /* Program is responding to input, so it's apparently done
9363 initializing, and this error message indicates it is
9364 protocol version 1. So we don't need to wait any longer
9365 for it to initialize and send feature commands. */
9366 FeatureDone(cps, 1);
9367 cps->protocolVersion = 1;
9370 cps->maybeThinking = FALSE;
9372 if (StrStr(message, "draw")) {
9373 /* Program doesn't have "draw" command */
9374 cps->sendDrawOffers = 0;
9377 if (cps->sendTime != 1 &&
9378 (StrStr(message, "time") || StrStr(message, "otim"))) {
9379 /* Program apparently doesn't have "time" or "otim" command */
9383 if (StrStr(message, "analyze")) {
9384 cps->analysisSupport = FALSE;
9385 cps->analyzing = FALSE;
9386 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9387 EditGameEvent(); // [HGM] try to preserve loaded game
9388 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9389 DisplayError(buf2, 0);
9392 if (StrStr(message, "(no matching move)st")) {
9393 /* Special kludge for GNU Chess 4 only */
9394 cps->stKludge = TRUE;
9395 SendTimeControl(cps, movesPerSession, timeControl,
9396 timeIncrement, appData.searchDepth,
9400 if (StrStr(message, "(no matching move)sd")) {
9401 /* Special kludge for GNU Chess 4 only */
9402 cps->sdKludge = TRUE;
9403 SendTimeControl(cps, movesPerSession, timeControl,
9404 timeIncrement, appData.searchDepth,
9408 if (!StrStr(message, "llegal")) {
9411 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9412 gameMode == IcsIdle) return;
9413 if (forwardMostMove <= backwardMostMove) return;
9414 if (pausing) PauseEvent();
9415 if(appData.forceIllegal) {
9416 // [HGM] illegal: machine refused move; force position after move into it
9417 SendToProgram("force\n", cps);
9418 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9419 // we have a real problem now, as SendBoard will use the a2a3 kludge
9420 // when black is to move, while there might be nothing on a2 or black
9421 // might already have the move. So send the board as if white has the move.
9422 // But first we must change the stm of the engine, as it refused the last move
9423 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9424 if(WhiteOnMove(forwardMostMove)) {
9425 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9426 SendBoard(cps, forwardMostMove); // kludgeless board
9428 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9429 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9430 SendBoard(cps, forwardMostMove+1); // kludgeless board
9432 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9433 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9434 gameMode == TwoMachinesPlay)
9435 SendToProgram("go\n", cps);
9438 if (gameMode == PlayFromGameFile) {
9439 /* Stop reading this game file */
9440 gameMode = EditGame;
9443 /* [HGM] illegal-move claim should forfeit game when Xboard */
9444 /* only passes fully legal moves */
9445 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9446 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9447 "False illegal-move claim", GE_XBOARD );
9448 return; // do not take back move we tested as valid
9450 currentMove = forwardMostMove-1;
9451 DisplayMove(currentMove-1); /* before DisplayMoveError */
9452 SwitchClocks(forwardMostMove-1); // [HGM] race
9453 DisplayBothClocks();
9454 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9455 parseList[currentMove], _(cps->which));
9456 DisplayMoveError(buf1);
9457 DrawPosition(FALSE, boards[currentMove]);
9459 SetUserThinkingEnables();
9462 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9463 /* Program has a broken "time" command that
9464 outputs a string not ending in newline.
9468 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9469 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9470 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9474 * If chess program startup fails, exit with an error message.
9475 * Attempts to recover here are futile. [HGM] Well, we try anyway
9477 if ((StrStr(message, "unknown host") != NULL)
9478 || (StrStr(message, "No remote directory") != NULL)
9479 || (StrStr(message, "not found") != NULL)
9480 || (StrStr(message, "No such file") != NULL)
9481 || (StrStr(message, "can't alloc") != NULL)
9482 || (StrStr(message, "Permission denied") != NULL)) {
9484 cps->maybeThinking = FALSE;
9485 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9486 _(cps->which), cps->program, cps->host, message);
9487 RemoveInputSource(cps->isr);
9488 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9489 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9490 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9496 * Look for hint output
9498 if (sscanf(message, "Hint: %s", buf1) == 1) {
9499 if (cps == &first && hintRequested) {
9500 hintRequested = FALSE;
9501 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9502 &fromX, &fromY, &toX, &toY, &promoChar)) {
9503 (void) CoordsToAlgebraic(boards[forwardMostMove],
9504 PosFlags(forwardMostMove),
9505 fromY, fromX, toY, toX, promoChar, buf1);
9506 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9507 DisplayInformation(buf2);
9509 /* Hint move could not be parsed!? */
9510 snprintf(buf2, sizeof(buf2),
9511 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9512 buf1, _(cps->which));
9513 DisplayError(buf2, 0);
9516 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9522 * Ignore other messages if game is not in progress
9524 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9525 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9528 * look for win, lose, draw, or draw offer
9530 if (strncmp(message, "1-0", 3) == 0) {
9531 char *p, *q, *r = "";
9532 p = strchr(message, '{');
9540 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9542 } else if (strncmp(message, "0-1", 3) == 0) {
9543 char *p, *q, *r = "";
9544 p = strchr(message, '{');
9552 /* Kludge for Arasan 4.1 bug */
9553 if (strcmp(r, "Black resigns") == 0) {
9554 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9557 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9559 } else if (strncmp(message, "1/2", 3) == 0) {
9560 char *p, *q, *r = "";
9561 p = strchr(message, '{');
9570 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9573 } else if (strncmp(message, "White resign", 12) == 0) {
9574 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9576 } else if (strncmp(message, "Black resign", 12) == 0) {
9577 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9579 } else if (strncmp(message, "White matches", 13) == 0 ||
9580 strncmp(message, "Black matches", 13) == 0 ) {
9581 /* [HGM] ignore GNUShogi noises */
9583 } else if (strncmp(message, "White", 5) == 0 &&
9584 message[5] != '(' &&
9585 StrStr(message, "Black") == NULL) {
9586 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9588 } else if (strncmp(message, "Black", 5) == 0 &&
9589 message[5] != '(') {
9590 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9592 } else if (strcmp(message, "resign") == 0 ||
9593 strcmp(message, "computer resigns") == 0) {
9595 case MachinePlaysBlack:
9596 case IcsPlayingBlack:
9597 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9599 case MachinePlaysWhite:
9600 case IcsPlayingWhite:
9601 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9603 case TwoMachinesPlay:
9604 if (cps->twoMachinesColor[0] == 'w')
9605 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9607 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9614 } else if (strncmp(message, "opponent mates", 14) == 0) {
9616 case MachinePlaysBlack:
9617 case IcsPlayingBlack:
9618 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9620 case MachinePlaysWhite:
9621 case IcsPlayingWhite:
9622 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9624 case TwoMachinesPlay:
9625 if (cps->twoMachinesColor[0] == 'w')
9626 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9628 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9635 } else if (strncmp(message, "computer mates", 14) == 0) {
9637 case MachinePlaysBlack:
9638 case IcsPlayingBlack:
9639 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9641 case MachinePlaysWhite:
9642 case IcsPlayingWhite:
9643 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9645 case TwoMachinesPlay:
9646 if (cps->twoMachinesColor[0] == 'w')
9647 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9649 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9656 } else if (strncmp(message, "checkmate", 9) == 0) {
9657 if (WhiteOnMove(forwardMostMove)) {
9658 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9660 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9663 } else if (strstr(message, "Draw") != NULL ||
9664 strstr(message, "game is a draw") != NULL) {
9665 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9667 } else if (strstr(message, "offer") != NULL &&
9668 strstr(message, "draw") != NULL) {
9670 if (appData.zippyPlay && first.initDone) {
9671 /* Relay offer to ICS */
9672 SendToICS(ics_prefix);
9673 SendToICS("draw\n");
9676 cps->offeredDraw = 2; /* valid until this engine moves twice */
9677 if (gameMode == TwoMachinesPlay) {
9678 if (cps->other->offeredDraw) {
9679 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9680 /* [HGM] in two-machine mode we delay relaying draw offer */
9681 /* until after we also have move, to see if it is really claim */
9683 } else if (gameMode == MachinePlaysWhite ||
9684 gameMode == MachinePlaysBlack) {
9685 if (userOfferedDraw) {
9686 DisplayInformation(_("Machine accepts your draw offer"));
9687 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9689 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9696 * Look for thinking output
9698 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9699 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9701 int plylev, mvleft, mvtot, curscore, time;
9702 char mvname[MOVE_LEN];
9706 int prefixHint = FALSE;
9707 mvname[0] = NULLCHAR;
9710 case MachinePlaysBlack:
9711 case IcsPlayingBlack:
9712 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9714 case MachinePlaysWhite:
9715 case IcsPlayingWhite:
9716 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9721 case IcsObserving: /* [DM] icsEngineAnalyze */
9722 if (!appData.icsEngineAnalyze) ignore = TRUE;
9724 case TwoMachinesPlay:
9725 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9735 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9738 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9739 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9740 char score_buf[MSG_SIZ];
9742 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9743 nodes += u64Const(0x100000000);
9745 if (plyext != ' ' && plyext != '\t') {
9749 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9750 if( cps->scoreIsAbsolute &&
9751 ( gameMode == MachinePlaysBlack ||
9752 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9753 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9754 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9755 !WhiteOnMove(currentMove)
9758 curscore = -curscore;
9761 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9763 if(*bestMove) { // rememer time best EPD move was first found
9764 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9765 ChessMove mt; char *p = bestMove;
9766 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9768 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9769 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9770 solvingTime = (solvingTime < 0 ? time : solvingTime);
9774 while(*p && *p != ' ') p++;
9775 while(*p == ' ') p++;
9777 if(!solved) solvingTime = -1;
9779 if(*avoidMove && !solved) {
9780 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9781 ChessMove mt; char *p = avoidMove, solved = 1;
9782 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9783 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9784 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9785 solved = 0; solvingTime = -2;
9788 while(*p && *p != ' ') p++;
9789 while(*p == ' ') p++;
9791 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9794 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9797 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9798 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9799 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9800 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9801 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9802 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9806 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9807 DisplayError(_("failed writing PV"), 0);
9810 tempStats.depth = plylev;
9811 tempStats.nodes = nodes;
9812 tempStats.time = time;
9813 tempStats.score = curscore;
9814 tempStats.got_only_move = 0;
9816 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9819 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9820 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9821 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9822 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9823 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9824 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9825 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9826 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9829 /* Buffer overflow protection */
9830 if (pv[0] != NULLCHAR) {
9831 if (strlen(pv) >= sizeof(tempStats.movelist)
9832 && appData.debugMode) {
9834 "PV is too long; using the first %u bytes.\n",
9835 (unsigned) sizeof(tempStats.movelist) - 1);
9838 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9840 sprintf(tempStats.movelist, " no PV\n");
9843 if (tempStats.seen_stat) {
9844 tempStats.ok_to_send = 1;
9847 if (strchr(tempStats.movelist, '(') != NULL) {
9848 tempStats.line_is_book = 1;
9849 tempStats.nr_moves = 0;
9850 tempStats.moves_left = 0;
9852 tempStats.line_is_book = 0;
9855 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9856 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9858 SendProgramStatsToFrontend( cps, &tempStats );
9861 [AS] Protect the thinkOutput buffer from overflow... this
9862 is only useful if buf1 hasn't overflowed first!
9864 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9865 if(curscore >= MATE_SCORE)
9866 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9867 else if(curscore <= -MATE_SCORE)
9868 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9870 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9871 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9873 (gameMode == TwoMachinesPlay ?
9874 ToUpper(cps->twoMachinesColor[0]) : ' '),
9876 prefixHint ? lastHint : "",
9877 prefixHint ? " " : "" );
9879 if( buf1[0] != NULLCHAR ) {
9880 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9882 if( strlen(pv) > max_len ) {
9883 if( appData.debugMode) {
9884 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9886 pv[max_len+1] = '\0';
9889 strcat( thinkOutput, pv);
9892 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9893 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9894 DisplayMove(currentMove - 1);
9898 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9899 /* crafty (9.25+) says "(only move) <move>"
9900 * if there is only 1 legal move
9902 sscanf(p, "(only move) %s", buf1);
9903 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9904 sprintf(programStats.movelist, "%s (only move)", buf1);
9905 programStats.depth = 1;
9906 programStats.nr_moves = 1;
9907 programStats.moves_left = 1;
9908 programStats.nodes = 1;
9909 programStats.time = 1;
9910 programStats.got_only_move = 1;
9912 /* Not really, but we also use this member to
9913 mean "line isn't going to change" (Crafty
9914 isn't searching, so stats won't change) */
9915 programStats.line_is_book = 1;
9917 SendProgramStatsToFrontend( cps, &programStats );
9919 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9920 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9921 DisplayMove(currentMove - 1);
9924 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9925 &time, &nodes, &plylev, &mvleft,
9926 &mvtot, mvname) >= 5) {
9927 /* The stat01: line is from Crafty (9.29+) in response
9928 to the "." command */
9929 programStats.seen_stat = 1;
9930 cps->maybeThinking = TRUE;
9932 if (programStats.got_only_move || !appData.periodicUpdates)
9935 programStats.depth = plylev;
9936 programStats.time = time;
9937 programStats.nodes = nodes;
9938 programStats.moves_left = mvleft;
9939 programStats.nr_moves = mvtot;
9940 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9941 programStats.ok_to_send = 1;
9942 programStats.movelist[0] = '\0';
9944 SendProgramStatsToFrontend( cps, &programStats );
9948 } else if (strncmp(message,"++",2) == 0) {
9949 /* Crafty 9.29+ outputs this */
9950 programStats.got_fail = 2;
9953 } else if (strncmp(message,"--",2) == 0) {
9954 /* Crafty 9.29+ outputs this */
9955 programStats.got_fail = 1;
9958 } else if (thinkOutput[0] != NULLCHAR &&
9959 strncmp(message, " ", 4) == 0) {
9960 unsigned message_len;
9963 while (*p && *p == ' ') p++;
9965 message_len = strlen( p );
9967 /* [AS] Avoid buffer overflow */
9968 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9969 strcat(thinkOutput, " ");
9970 strcat(thinkOutput, p);
9973 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9974 strcat(programStats.movelist, " ");
9975 strcat(programStats.movelist, p);
9978 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9979 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9980 DisplayMove(currentMove - 1);
9988 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9989 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9991 ChessProgramStats cpstats;
9993 if (plyext != ' ' && plyext != '\t') {
9997 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9998 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9999 curscore = -curscore;
10002 cpstats.depth = plylev;
10003 cpstats.nodes = nodes;
10004 cpstats.time = time;
10005 cpstats.score = curscore;
10006 cpstats.got_only_move = 0;
10007 cpstats.movelist[0] = '\0';
10009 if (buf1[0] != NULLCHAR) {
10010 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10013 cpstats.ok_to_send = 0;
10014 cpstats.line_is_book = 0;
10015 cpstats.nr_moves = 0;
10016 cpstats.moves_left = 0;
10018 SendProgramStatsToFrontend( cps, &cpstats );
10025 /* Parse a game score from the character string "game", and
10026 record it as the history of the current game. The game
10027 score is NOT assumed to start from the standard position.
10028 The display is not updated in any way.
10031 ParseGameHistory (char *game)
10033 ChessMove moveType;
10034 int fromX, fromY, toX, toY, boardIndex, mask;
10039 if (appData.debugMode)
10040 fprintf(debugFP, "Parsing game history: %s\n", game);
10042 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10043 gameInfo.site = StrSave(appData.icsHost);
10044 gameInfo.date = PGNDate();
10045 gameInfo.round = StrSave("-");
10047 /* Parse out names of players */
10048 while (*game == ' ') game++;
10050 while (*game != ' ') *p++ = *game++;
10052 gameInfo.white = StrSave(buf);
10053 while (*game == ' ') game++;
10055 while (*game != ' ' && *game != '\n') *p++ = *game++;
10057 gameInfo.black = StrSave(buf);
10060 boardIndex = blackPlaysFirst ? 1 : 0;
10063 yyboardindex = boardIndex;
10064 moveType = (ChessMove) Myylex();
10065 switch (moveType) {
10066 case IllegalMove: /* maybe suicide chess, etc. */
10067 if (appData.debugMode) {
10068 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10069 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10070 setbuf(debugFP, NULL);
10072 case WhitePromotion:
10073 case BlackPromotion:
10074 case WhiteNonPromotion:
10075 case BlackNonPromotion:
10078 case WhiteCapturesEnPassant:
10079 case BlackCapturesEnPassant:
10080 case WhiteKingSideCastle:
10081 case WhiteQueenSideCastle:
10082 case BlackKingSideCastle:
10083 case BlackQueenSideCastle:
10084 case WhiteKingSideCastleWild:
10085 case WhiteQueenSideCastleWild:
10086 case BlackKingSideCastleWild:
10087 case BlackQueenSideCastleWild:
10089 case WhiteHSideCastleFR:
10090 case WhiteASideCastleFR:
10091 case BlackHSideCastleFR:
10092 case BlackASideCastleFR:
10094 fromX = currentMoveString[0] - AAA;
10095 fromY = currentMoveString[1] - ONE;
10096 toX = currentMoveString[2] - AAA;
10097 toY = currentMoveString[3] - ONE;
10098 promoChar = currentMoveString[4];
10102 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10103 fromX = moveType == WhiteDrop ?
10104 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10105 (int) CharToPiece(ToLower(currentMoveString[0]));
10107 toX = currentMoveString[2] - AAA;
10108 toY = currentMoveString[3] - ONE;
10109 promoChar = NULLCHAR;
10111 case AmbiguousMove:
10113 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10114 if (appData.debugMode) {
10115 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10116 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10117 setbuf(debugFP, NULL);
10119 DisplayError(buf, 0);
10121 case ImpossibleMove:
10123 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10124 if (appData.debugMode) {
10125 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10126 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10127 setbuf(debugFP, NULL);
10129 DisplayError(buf, 0);
10132 if (boardIndex < backwardMostMove) {
10133 /* Oops, gap. How did that happen? */
10134 DisplayError(_("Gap in move list"), 0);
10137 backwardMostMove = blackPlaysFirst ? 1 : 0;
10138 if (boardIndex > forwardMostMove) {
10139 forwardMostMove = boardIndex;
10143 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10144 strcat(parseList[boardIndex-1], " ");
10145 strcat(parseList[boardIndex-1], yy_text);
10157 case GameUnfinished:
10158 if (gameMode == IcsExamining) {
10159 if (boardIndex < backwardMostMove) {
10160 /* Oops, gap. How did that happen? */
10163 backwardMostMove = blackPlaysFirst ? 1 : 0;
10166 gameInfo.result = moveType;
10167 p = strchr(yy_text, '{');
10168 if (p == NULL) p = strchr(yy_text, '(');
10171 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10173 q = strchr(p, *p == '{' ? '}' : ')');
10174 if (q != NULL) *q = NULLCHAR;
10177 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10178 gameInfo.resultDetails = StrSave(p);
10181 if (boardIndex >= forwardMostMove &&
10182 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10183 backwardMostMove = blackPlaysFirst ? 1 : 0;
10186 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10187 fromY, fromX, toY, toX, promoChar,
10188 parseList[boardIndex]);
10189 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10190 /* currentMoveString is set as a side-effect of yylex */
10191 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10192 strcat(moveList[boardIndex], "\n");
10194 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10195 mask = (WhiteOnMove(boardIndex) ? 0xFF : 0xFF00);
10196 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10202 if(boards[boardIndex][CHECK_COUNT]) boards[boardIndex][CHECK_COUNT] -= mask & 0x101;
10203 if(!boards[boardIndex][CHECK_COUNT] || boards[boardIndex][CHECK_COUNT] & mask) {
10204 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[boardIndex - 1], "+");
10209 strcat(parseList[boardIndex - 1], "#");
10216 /* Apply a move to the given board */
10218 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10220 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, epFile, lastFile, lastRank, berolina = 0;
10221 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10223 /* [HGM] compute & store e.p. status and castling rights for new position */
10224 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10226 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10227 oldEP = (signed char)board[EP_STATUS]; epRank = board[EP_RANK]; epFile = board[EP_FILE]; lastFile = board[LAST_TO] & 255,lastRank = board[LAST_TO] >> 8;
10228 board[EP_STATUS] = EP_NONE;
10229 board[EP_FILE] = board[EP_RANK] = 100, board[LAST_TO] = 0x4040;
10231 if (fromY == DROP_RANK) {
10232 /* must be first */
10233 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10234 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10237 piece = board[toY][toX] = (ChessSquare) fromX;
10239 // ChessSquare victim;
10242 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10243 // victim = board[killY][killX],
10244 killed = board[killY][killX],
10245 board[killY][killX] = EmptySquare,
10246 board[EP_STATUS] = EP_CAPTURE;
10247 if( kill2X >= 0 && kill2Y >= 0)
10248 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10251 if( board[toY][toX] != EmptySquare ) {
10252 board[EP_STATUS] = EP_CAPTURE;
10253 if( (fromX != toX || fromY != toY) && // not igui!
10254 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10255 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10256 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10260 pawn = board[fromY][fromX];
10261 if(pieceDesc[pawn] && strchr(pieceDesc[pawn], 'e')) { // piece with user-defined e.p. capture
10262 if(captured == EmptySquare && toX == epFile && (toY == (epRank & 127) || toY + (pawn < BlackPawn ? -1 : 1) == epRank - 128)) {
10263 captured = board[lastRank][lastFile]; // remove victim
10264 board[lastRank][lastFile] = EmptySquare;
10265 pawn = EmptySquare; // kludge to suppress old e.p. code
10268 if( pawn == WhiteLance || pawn == BlackLance ) {
10269 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10270 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10271 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10274 if( pawn == WhitePawn ) {
10275 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10276 board[EP_STATUS] = EP_PAWN_MOVE;
10277 if( toY-fromY>=2) {
10278 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10279 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10280 gameInfo.variant != VariantBerolina || toX < fromX)
10281 board[EP_STATUS] = toX | berolina;
10282 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10283 gameInfo.variant != VariantBerolina || toX > fromX)
10284 board[EP_STATUS] = toX;
10285 board[LAST_TO] = toX + 256*toY;
10288 if( pawn == BlackPawn ) {
10289 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10290 board[EP_STATUS] = EP_PAWN_MOVE;
10291 if( toY-fromY<= -2) {
10292 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10293 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10294 gameInfo.variant != VariantBerolina || toX < fromX)
10295 board[EP_STATUS] = toX | berolina;
10296 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10297 gameInfo.variant != VariantBerolina || toX > fromX)
10298 board[EP_STATUS] = toX;
10299 board[LAST_TO] = toX + 256*toY;
10303 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10304 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10305 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10306 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10308 for(i=0; i<nrCastlingRights; i++) {
10309 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10310 board[CASTLING][i] == toX && castlingRank[i] == toY
10311 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10314 if(gameInfo.variant == VariantSChess) { // update virginity
10315 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10316 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10317 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10318 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10321 if (fromX == toX && fromY == toY && killX < 0) return;
10323 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10324 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10325 if(gameInfo.variant == VariantKnightmate)
10326 king += (int) WhiteUnicorn - (int) WhiteKing;
10328 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10329 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10330 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10331 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10332 board[EP_STATUS] = EP_NONE; // capture was fake!
10334 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10335 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10336 board[toY][toX] = piece;
10337 board[EP_STATUS] = EP_NONE; // capture was fake!
10339 /* Code added by Tord: */
10340 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10341 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10342 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10343 board[EP_STATUS] = EP_NONE; // capture was fake!
10344 board[fromY][fromX] = EmptySquare;
10345 board[toY][toX] = EmptySquare;
10346 if((toX > fromX) != (piece == WhiteRook)) {
10347 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10349 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10351 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10352 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10353 board[EP_STATUS] = EP_NONE;
10354 board[fromY][fromX] = EmptySquare;
10355 board[toY][toX] = EmptySquare;
10356 if((toX > fromX) != (piece == BlackRook)) {
10357 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10359 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10361 /* End of code added by Tord */
10363 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10364 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10365 board[toY][toX] = piece;
10366 } else if (board[fromY][fromX] == king
10367 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10368 && toY == fromY && toX > fromX+1) {
10369 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10370 ; // castle with nearest piece
10371 board[fromY][toX-1] = board[fromY][rookX];
10372 board[fromY][rookX] = EmptySquare;
10373 board[fromY][fromX] = EmptySquare;
10374 board[toY][toX] = king;
10375 } else if (board[fromY][fromX] == king
10376 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10377 && toY == fromY && toX < fromX-1) {
10378 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10379 ; // castle with nearest piece
10380 board[fromY][toX+1] = board[fromY][rookX];
10381 board[fromY][rookX] = EmptySquare;
10382 board[fromY][fromX] = EmptySquare;
10383 board[toY][toX] = king;
10384 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10385 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10386 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10388 /* white pawn promotion */
10389 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10390 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10391 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10392 board[fromY][fromX] = EmptySquare;
10393 } else if ((fromY >= BOARD_HEIGHT>>1)
10394 && (epFile == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10396 && gameInfo.variant != VariantXiangqi
10397 && gameInfo.variant != VariantBerolina
10398 && (pawn == WhitePawn)
10399 && (board[toY][toX] == EmptySquare)) {
10400 if(lastFile == 100) lastFile = (board[fromY][toX] == BlackPawn ? toX : fromX), lastRank = fromY; // assume FIDE e.p. if victim present
10401 board[fromY][fromX] = EmptySquare;
10402 board[toY][toX] = piece;
10403 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10404 } else if ((fromY == BOARD_HEIGHT-4)
10406 && gameInfo.variant == VariantBerolina
10407 && (board[fromY][fromX] == WhitePawn)
10408 && (board[toY][toX] == EmptySquare)) {
10409 board[fromY][fromX] = EmptySquare;
10410 board[toY][toX] = WhitePawn;
10411 if(oldEP & EP_BEROLIN_A) {
10412 captured = board[fromY][fromX-1];
10413 board[fromY][fromX-1] = EmptySquare;
10414 }else{ captured = board[fromY][fromX+1];
10415 board[fromY][fromX+1] = EmptySquare;
10417 } else if (board[fromY][fromX] == king
10418 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10419 && toY == fromY && toX > fromX+1) {
10420 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10422 board[fromY][toX-1] = board[fromY][rookX];
10423 board[fromY][rookX] = EmptySquare;
10424 board[fromY][fromX] = EmptySquare;
10425 board[toY][toX] = king;
10426 } else if (board[fromY][fromX] == king
10427 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10428 && toY == fromY && toX < fromX-1) {
10429 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10431 board[fromY][toX+1] = board[fromY][rookX];
10432 board[fromY][rookX] = EmptySquare;
10433 board[fromY][fromX] = EmptySquare;
10434 board[toY][toX] = king;
10435 } else if (fromY == 7 && fromX == 3
10436 && board[fromY][fromX] == BlackKing
10437 && toY == 7 && toX == 5) {
10438 board[fromY][fromX] = EmptySquare;
10439 board[toY][toX] = BlackKing;
10440 board[fromY][7] = EmptySquare;
10441 board[toY][4] = BlackRook;
10442 } else if (fromY == 7 && fromX == 3
10443 && board[fromY][fromX] == BlackKing
10444 && toY == 7 && toX == 1) {
10445 board[fromY][fromX] = EmptySquare;
10446 board[toY][toX] = BlackKing;
10447 board[fromY][0] = EmptySquare;
10448 board[toY][2] = BlackRook;
10449 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10450 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10451 && toY < promoRank && promoChar
10453 /* black pawn promotion */
10454 board[toY][toX] = CharToPiece(ToLower(promoChar));
10455 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10456 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10457 board[fromY][fromX] = EmptySquare;
10458 } else if ((fromY < BOARD_HEIGHT>>1)
10459 && (epFile == toX && epRank == toY || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10461 && gameInfo.variant != VariantXiangqi
10462 && gameInfo.variant != VariantBerolina
10463 && (pawn == BlackPawn)
10464 && (board[toY][toX] == EmptySquare)) {
10465 if(lastFile == 100) lastFile = (board[fromY][toX] == WhitePawn ? toX : fromX), lastRank = fromY;
10466 board[fromY][fromX] = EmptySquare;
10467 board[toY][toX] = piece;
10468 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10469 } else if ((fromY == 3)
10471 && gameInfo.variant == VariantBerolina
10472 && (board[fromY][fromX] == BlackPawn)
10473 && (board[toY][toX] == EmptySquare)) {
10474 board[fromY][fromX] = EmptySquare;
10475 board[toY][toX] = BlackPawn;
10476 if(oldEP & EP_BEROLIN_A) {
10477 captured = board[fromY][fromX-1];
10478 board[fromY][fromX-1] = EmptySquare;
10479 }else{ captured = board[fromY][fromX+1];
10480 board[fromY][fromX+1] = EmptySquare;
10483 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10484 board[fromY][fromX] = EmptySquare;
10485 board[toY][toX] = piece;
10489 if (gameInfo.holdingsWidth != 0) {
10491 /* !!A lot more code needs to be written to support holdings */
10492 /* [HGM] OK, so I have written it. Holdings are stored in the */
10493 /* penultimate board files, so they are automaticlly stored */
10494 /* in the game history. */
10495 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10496 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10497 /* Delete from holdings, by decreasing count */
10498 /* and erasing image if necessary */
10499 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10500 if(p < (int) BlackPawn) { /* white drop */
10501 p -= (int)WhitePawn;
10502 p = PieceToNumber((ChessSquare)p);
10503 if(p >= gameInfo.holdingsSize) p = 0;
10504 if(--board[p][BOARD_WIDTH-2] <= 0)
10505 board[p][BOARD_WIDTH-1] = EmptySquare;
10506 if((int)board[p][BOARD_WIDTH-2] < 0)
10507 board[p][BOARD_WIDTH-2] = 0;
10508 } else { /* black drop */
10509 p -= (int)BlackPawn;
10510 p = PieceToNumber((ChessSquare)p);
10511 if(p >= gameInfo.holdingsSize) p = 0;
10512 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10513 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10514 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10515 board[BOARD_HEIGHT-1-p][1] = 0;
10518 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10519 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10520 /* [HGM] holdings: Add to holdings, if holdings exist */
10521 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10522 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10523 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10525 p = (int) captured;
10526 if (p >= (int) BlackPawn) {
10527 p -= (int)BlackPawn;
10528 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10529 /* Restore shogi-promoted piece to its original first */
10530 captured = (ChessSquare) (DEMOTED(captured));
10533 p = PieceToNumber((ChessSquare)p);
10534 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10535 board[p][BOARD_WIDTH-2]++;
10536 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10538 p -= (int)WhitePawn;
10539 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10540 captured = (ChessSquare) (DEMOTED(captured));
10543 p = PieceToNumber((ChessSquare)p);
10544 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10545 board[BOARD_HEIGHT-1-p][1]++;
10546 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10549 } else if (gameInfo.variant == VariantAtomic) {
10550 if (captured != EmptySquare) {
10552 for (y = toY-1; y <= toY+1; y++) {
10553 for (x = toX-1; x <= toX+1; x++) {
10554 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10555 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10556 board[y][x] = EmptySquare;
10560 board[toY][toX] = EmptySquare;
10564 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10565 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10567 if(promoChar == '+') {
10568 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10569 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10570 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10571 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10572 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10573 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10574 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10575 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10576 board[toY][toX] = newPiece;
10578 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10579 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10580 // [HGM] superchess: take promotion piece out of holdings
10581 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10582 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10583 if(!--board[k][BOARD_WIDTH-2])
10584 board[k][BOARD_WIDTH-1] = EmptySquare;
10586 if(!--board[BOARD_HEIGHT-1-k][1])
10587 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10592 /* Updates forwardMostMove */
10594 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10596 int x = toX, y = toY, mask;
10597 char *s = parseList[forwardMostMove];
10598 ChessSquare p = boards[forwardMostMove][toY][toX];
10599 // forwardMostMove++; // [HGM] bare: moved downstream
10601 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10602 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10603 (void) CoordsToAlgebraic(boards[forwardMostMove],
10604 PosFlags(forwardMostMove),
10605 fromY, fromX, y, x, (killX < 0)*promoChar,
10607 if(kill2X >= 0 && kill2Y >= 0)
10608 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10609 if(killX >= 0 && killY >= 0)
10610 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10611 toX + AAA, toY + ONE - '0', promoChar);
10613 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10614 int timeLeft; static int lastLoadFlag=0; int king, piece;
10615 piece = boards[forwardMostMove][fromY][fromX];
10616 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10617 if(gameInfo.variant == VariantKnightmate)
10618 king += (int) WhiteUnicorn - (int) WhiteKing;
10619 if(forwardMostMove == 0) {
10620 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10621 fprintf(serverMoves, "%s;", UserName());
10622 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10623 fprintf(serverMoves, "%s;", second.tidy);
10624 fprintf(serverMoves, "%s;", first.tidy);
10625 if(gameMode == MachinePlaysWhite)
10626 fprintf(serverMoves, "%s;", UserName());
10627 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10628 fprintf(serverMoves, "%s;", second.tidy);
10629 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10630 lastLoadFlag = loadFlag;
10632 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10633 // print castling suffix
10634 if( toY == fromY && piece == king ) {
10636 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10638 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10641 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10642 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10643 boards[forwardMostMove][toY][toX] == EmptySquare
10644 && fromX != toX && fromY != toY)
10645 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10646 // promotion suffix
10647 if(promoChar != NULLCHAR) {
10648 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10649 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10650 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10651 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10654 char buf[MOVE_LEN*2], *p; int len;
10655 fprintf(serverMoves, "/%d/%d",
10656 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10657 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10658 else timeLeft = blackTimeRemaining/1000;
10659 fprintf(serverMoves, "/%d", timeLeft);
10660 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10661 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10662 if(p = strchr(buf, '=')) *p = NULLCHAR;
10663 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10664 fprintf(serverMoves, "/%s", buf);
10666 fflush(serverMoves);
10669 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10670 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10673 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10674 if (commentList[forwardMostMove+1] != NULL) {
10675 free(commentList[forwardMostMove+1]);
10676 commentList[forwardMostMove+1] = NULL;
10678 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10679 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10680 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10681 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10682 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10683 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10684 adjustedClock = FALSE;
10685 gameInfo.result = GameUnfinished;
10686 if (gameInfo.resultDetails != NULL) {
10687 free(gameInfo.resultDetails);
10688 gameInfo.resultDetails = NULL;
10690 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10691 moveList[forwardMostMove - 1]);
10692 mask = (WhiteOnMove(forwardMostMove) ? 0xFF : 0xFF00);
10693 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10699 if(boards[forwardMostMove][CHECK_COUNT]) boards[forwardMostMove][CHECK_COUNT] -= mask & 0x101;
10700 if(!boards[forwardMostMove][CHECK_COUNT] || boards[forwardMostMove][CHECK_COUNT] & mask) {
10701 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[forwardMostMove - 1], "+");
10706 strcat(parseList[forwardMostMove - 1], "#");
10711 /* Updates currentMove if not pausing */
10713 ShowMove (int fromX, int fromY, int toX, int toY)
10715 int instant = (gameMode == PlayFromGameFile) ?
10716 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10717 if(appData.noGUI) return;
10718 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10720 if (forwardMostMove == currentMove + 1) {
10721 AnimateMove(boards[forwardMostMove - 1],
10722 fromX, fromY, toX, toY);
10725 currentMove = forwardMostMove;
10728 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10730 if (instant) return;
10732 DisplayMove(currentMove - 1);
10733 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10734 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10735 SetHighlights(fromX, fromY, toX, toY);
10738 DrawPosition(FALSE, boards[currentMove]);
10739 DisplayBothClocks();
10740 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10744 SendEgtPath (ChessProgramState *cps)
10745 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10746 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10748 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10751 char c, *q = name+1, *r, *s;
10753 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10754 while(*p && *p != ',') *q++ = *p++;
10755 *q++ = ':'; *q = 0;
10756 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10757 strcmp(name, ",nalimov:") == 0 ) {
10758 // take nalimov path from the menu-changeable option first, if it is defined
10759 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10760 SendToProgram(buf,cps); // send egtbpath command for nalimov
10762 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10763 (s = StrStr(appData.egtFormats, name)) != NULL) {
10764 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10765 s = r = StrStr(s, ":") + 1; // beginning of path info
10766 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10767 c = *r; *r = 0; // temporarily null-terminate path info
10768 *--q = 0; // strip of trailig ':' from name
10769 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10771 SendToProgram(buf,cps); // send egtbpath command for this format
10773 if(*p == ',') p++; // read away comma to position for next format name
10778 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10780 int width = 8, height = 8, holdings = 0; // most common sizes
10781 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10782 // correct the deviations default for each variant
10783 if( v == VariantXiangqi ) width = 9, height = 10;
10784 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10785 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10786 if( v == VariantCapablanca || v == VariantCapaRandom ||
10787 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10789 if( v == VariantCourier ) width = 12;
10790 if( v == VariantSuper ) holdings = 8;
10791 if( v == VariantGreat ) width = 10, holdings = 8;
10792 if( v == VariantSChess ) holdings = 7;
10793 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10794 if( v == VariantChuChess) width = 10, height = 10;
10795 if( v == VariantChu ) width = 12, height = 12;
10796 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10797 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10798 holdingsSize >= 0 && holdingsSize != holdings;
10801 char variantError[MSG_SIZ];
10804 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10805 { // returns error message (recognizable by upper-case) if engine does not support the variant
10806 char *p, *variant = VariantName(v);
10807 static char b[MSG_SIZ];
10808 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10809 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10810 holdingsSize, variant); // cook up sized variant name
10811 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10812 if(StrStr(list, b) == NULL) {
10813 // specific sized variant not known, check if general sizing allowed
10814 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10815 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10816 boardWidth, boardHeight, holdingsSize, engine);
10819 /* [HGM] here we really should compare with the maximum supported board size */
10821 } else snprintf(b, MSG_SIZ,"%s", variant);
10822 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10823 p = StrStr(list, b);
10824 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10826 // occurs not at all in list, or only as sub-string
10827 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10828 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10829 int l = strlen(variantError);
10831 while(p != list && p[-1] != ',') p--;
10832 q = strchr(p, ',');
10833 if(q) *q = NULLCHAR;
10834 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10843 InitChessProgram (ChessProgramState *cps, int setup)
10844 /* setup needed to setup FRC opening position */
10846 char buf[MSG_SIZ], *b;
10847 if (appData.noChessProgram) return;
10848 hintRequested = FALSE;
10849 bookRequested = FALSE;
10851 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10852 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10853 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10854 if(cps->memSize) { /* [HGM] memory */
10855 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10856 SendToProgram(buf, cps);
10858 SendEgtPath(cps); /* [HGM] EGT */
10859 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10860 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10861 SendToProgram(buf, cps);
10864 setboardSpoiledMachineBlack = FALSE;
10865 SendToProgram(cps->initString, cps);
10866 if (gameInfo.variant != VariantNormal &&
10867 gameInfo.variant != VariantLoadable
10868 /* [HGM] also send variant if board size non-standard */
10869 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10871 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10872 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10876 char c, *q = cps->variants, *p = strchr(q, ',');
10877 if(p) *p = NULLCHAR;
10878 v = StringToVariant(q);
10879 DisplayError(variantError, 0);
10880 if(v != VariantUnknown && cps == &first) {
10882 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10883 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10884 ASSIGN(appData.variant, q);
10885 Reset(TRUE, FALSE);
10891 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10892 SendToProgram(buf, cps);
10894 currentlyInitializedVariant = gameInfo.variant;
10896 /* [HGM] send opening position in FRC to first engine */
10898 SendToProgram("force\n", cps);
10900 /* engine is now in force mode! Set flag to wake it up after first move. */
10901 setboardSpoiledMachineBlack = 1;
10904 if (cps->sendICS) {
10905 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10906 SendToProgram(buf, cps);
10908 cps->maybeThinking = FALSE;
10909 cps->offeredDraw = 0;
10910 if (!appData.icsActive) {
10911 SendTimeControl(cps, movesPerSession, timeControl,
10912 timeIncrement, appData.searchDepth,
10915 if (appData.showThinking
10916 // [HGM] thinking: four options require thinking output to be sent
10917 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10919 SendToProgram("post\n", cps);
10921 SendToProgram("hard\n", cps);
10922 if (!appData.ponderNextMove) {
10923 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10924 it without being sure what state we are in first. "hard"
10925 is not a toggle, so that one is OK.
10927 SendToProgram("easy\n", cps);
10929 if (cps->usePing) {
10930 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10931 SendToProgram(buf, cps);
10933 cps->initDone = TRUE;
10934 ClearEngineOutputPane(cps == &second);
10939 ResendOptions (ChessProgramState *cps, int toEngine)
10940 { // send the stored value of the options
10942 static char buf2[MSG_SIZ*10];
10943 char buf[MSG_SIZ], *p = buf2;
10944 Option *opt = cps->option;
10946 for(i=0; i<cps->nrOptions; i++, opt++) {
10948 switch(opt->type) {
10952 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
10953 snprintf(buf, MSG_SIZ, "%s=%d", opt->name, opt->value);
10956 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
10957 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->choice[opt->value]);
10960 if(strcmp(opt->textValue, opt->name + MSG_SIZ - 100))
10961 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->textValue);
10969 snprintf(buf2, MSG_SIZ, "option %s\n", buf);
10970 SendToProgram(buf2, cps);
10972 if(p != buf2) *p++ = ',';
10973 strncpy(p, buf, 10*MSG_SIZ-1 - (p - buf2));
10982 StartChessProgram (ChessProgramState *cps)
10987 if (appData.noChessProgram) return;
10988 cps->initDone = FALSE;
10990 if (strcmp(cps->host, "localhost") == 0) {
10991 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10992 } else if (*appData.remoteShell == NULLCHAR) {
10993 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10995 if (*appData.remoteUser == NULLCHAR) {
10996 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10999 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
11000 cps->host, appData.remoteUser, cps->program);
11002 err = StartChildProcess(buf, "", &cps->pr);
11006 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
11007 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
11008 if(cps != &first) return;
11009 appData.noChessProgram = TRUE;
11012 // DisplayFatalError(buf, err, 1);
11013 // cps->pr = NoProc;
11014 // cps->isr = NULL;
11018 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
11019 if (cps->protocolVersion > 1) {
11020 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
11021 if(!cps->reload) { // do not clear options when reloading because of -xreuse
11022 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
11023 cps->comboCnt = 0; // and values of combo boxes
11025 SendToProgram(buf, cps);
11026 if(cps->reload) ResendOptions(cps, TRUE);
11028 SendToProgram("xboard\n", cps);
11033 TwoMachinesEventIfReady P((void))
11035 static int curMess = 0;
11036 if (first.lastPing != first.lastPong) {
11037 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11038 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11041 if (second.lastPing != second.lastPong) {
11042 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11043 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11046 DisplayMessage("", ""); curMess = 0;
11047 TwoMachinesEvent();
11051 MakeName (char *template)
11055 static char buf[MSG_SIZ];
11059 clock = time((time_t *)NULL);
11060 tm = localtime(&clock);
11062 while(*p++ = *template++) if(p[-1] == '%') {
11063 switch(*template++) {
11064 case 0: *p = 0; return buf;
11065 case 'Y': i = tm->tm_year+1900; break;
11066 case 'y': i = tm->tm_year-100; break;
11067 case 'M': i = tm->tm_mon+1; break;
11068 case 'd': i = tm->tm_mday; break;
11069 case 'h': i = tm->tm_hour; break;
11070 case 'm': i = tm->tm_min; break;
11071 case 's': i = tm->tm_sec; break;
11074 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11080 CountPlayers (char *p)
11083 while(p = strchr(p, '\n')) p++, n++; // count participants
11088 WriteTourneyFile (char *results, FILE *f)
11089 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11090 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11091 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11092 // create a file with tournament description
11093 fprintf(f, "-participants {%s}\n", appData.participants);
11094 fprintf(f, "-seedBase %d\n", appData.seedBase);
11095 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11096 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11097 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11098 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11099 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11100 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11101 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11102 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11103 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11104 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11105 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11106 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11107 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11108 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11109 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11110 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11111 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11112 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11113 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11114 fprintf(f, "-smpCores %d\n", appData.smpCores);
11116 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11118 fprintf(f, "-mps %d\n", appData.movesPerSession);
11119 fprintf(f, "-tc %s\n", appData.timeControl);
11120 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11122 fprintf(f, "-results \"%s\"\n", results);
11127 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11130 Substitute (char *participants, int expunge)
11132 int i, changed, changes=0, nPlayers=0;
11133 char *p, *q, *r, buf[MSG_SIZ];
11134 if(participants == NULL) return;
11135 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11136 r = p = participants; q = appData.participants;
11137 while(*p && *p == *q) {
11138 if(*p == '\n') r = p+1, nPlayers++;
11141 if(*p) { // difference
11142 while(*p && *p++ != '\n')
11144 while(*q && *q++ != '\n')
11146 changed = nPlayers;
11147 changes = 1 + (strcmp(p, q) != 0);
11149 if(changes == 1) { // a single engine mnemonic was changed
11150 q = r; while(*q) nPlayers += (*q++ == '\n');
11151 p = buf; while(*r && (*p = *r++) != '\n') p++;
11153 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11154 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11155 if(mnemonic[i]) { // The substitute is valid
11157 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11158 flock(fileno(f), LOCK_EX);
11159 ParseArgsFromFile(f);
11160 fseek(f, 0, SEEK_SET);
11161 FREE(appData.participants); appData.participants = participants;
11162 if(expunge) { // erase results of replaced engine
11163 int len = strlen(appData.results), w, b, dummy;
11164 for(i=0; i<len; i++) {
11165 Pairing(i, nPlayers, &w, &b, &dummy);
11166 if((w == changed || b == changed) && appData.results[i] == '*') {
11167 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11172 for(i=0; i<len; i++) {
11173 Pairing(i, nPlayers, &w, &b, &dummy);
11174 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11177 WriteTourneyFile(appData.results, f);
11178 fclose(f); // release lock
11181 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11183 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11184 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11185 free(participants);
11190 CheckPlayers (char *participants)
11193 char buf[MSG_SIZ], *p;
11194 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11195 while(p = strchr(participants, '\n')) {
11197 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11199 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11201 DisplayError(buf, 0);
11205 participants = p + 1;
11211 CreateTourney (char *name)
11214 if(matchMode && strcmp(name, appData.tourneyFile)) {
11215 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11217 if(name[0] == NULLCHAR) {
11218 if(appData.participants[0])
11219 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11222 f = fopen(name, "r");
11223 if(f) { // file exists
11224 ASSIGN(appData.tourneyFile, name);
11225 ParseArgsFromFile(f); // parse it
11227 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11228 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11229 DisplayError(_("Not enough participants"), 0);
11232 if(CheckPlayers(appData.participants)) return 0;
11233 ASSIGN(appData.tourneyFile, name);
11234 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11235 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11238 appData.noChessProgram = FALSE;
11239 appData.clockMode = TRUE;
11245 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11247 char buf[2*MSG_SIZ], *p, *q;
11248 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11249 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11250 skip = !all && group[0]; // if group requested, we start in skip mode
11251 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11252 p = names; q = buf; header = 0;
11253 while(*p && *p != '\n') *q++ = *p++;
11255 if(*p == '\n') p++;
11256 if(buf[0] == '#') {
11257 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11258 depth++; // we must be entering a new group
11259 if(all) continue; // suppress printing group headers when complete list requested
11261 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11263 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11264 if(engineList[i]) free(engineList[i]);
11265 engineList[i] = strdup(buf);
11266 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11267 if(engineMnemonic[i]) free(engineMnemonic[i]);
11268 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11270 sscanf(q + 8, "%s", buf + strlen(buf));
11273 engineMnemonic[i] = strdup(buf);
11276 engineList[i] = engineMnemonic[i] = NULL;
11281 SaveEngineSettings (int n)
11283 int len; char *p, *q, *s, buf[MSG_SIZ], *optionSettings;
11284 if(!currentEngine[n] || !currentEngine[n][0]) { DisplayMessage("saving failed: engine not from list", ""); return; } // no engine from list is loaded
11285 p = strstr(firstChessProgramNames, currentEngine[n]);
11286 if(!p) { DisplayMessage("saving failed: engine not found in list", ""); return; } // sanity check; engine could be deleted from list after loading
11287 optionSettings = ResendOptions(n ? &second : &first, FALSE);
11288 len = strlen(currentEngine[n]);
11289 q = p + len; *p = 0; // cut list into head and tail piece
11290 s = strstr(currentEngine[n], "firstOptions");
11291 if(s && (s[-1] == '-' || s[-1] == '/') && (s[12] == ' ' || s[12] == '=') && (s[13] == '"' || s[13] == '\'')) {
11293 while(*r && *r != s[13]) r++;
11294 s[14] = 0; // cut currentEngine into head and tail part, removing old settings
11295 snprintf(buf, MSG_SIZ, "%s%s%s", currentEngine[n], optionSettings, *r ? r : "\""); // synthesize new engine line
11296 } else if(*optionSettings) {
11297 snprintf(buf, MSG_SIZ, "%s -firstOptions \"%s\"", currentEngine[n], optionSettings);
11299 ASSIGN(currentEngine[n], buf); // updated engine line
11300 len = p - firstChessProgramNames + strlen(q) + strlen(currentEngine[n]) + 1;
11302 snprintf(s, len, "%s%s%s", firstChessProgramNames, currentEngine[n], q);
11303 FREE(firstChessProgramNames); firstChessProgramNames = s; // new list
11306 // following implemented as macro to avoid type limitations
11307 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11310 SwapEngines (int n)
11311 { // swap settings for first engine and other engine (so far only some selected options)
11316 SWAP(chessProgram, p)
11318 SWAP(hasOwnBookUCI, h)
11319 SWAP(protocolVersion, h)
11321 SWAP(scoreIsAbsolute, h)
11326 SWAP(engOptions, p)
11327 SWAP(engInitString, p)
11328 SWAP(computerString, p)
11330 SWAP(fenOverride, p)
11332 SWAP(accumulateTC, h)
11339 GetEngineLine (char *s, int n)
11343 extern char *icsNames;
11344 if(!s || !*s) return 0;
11345 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11346 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11347 if(!mnemonic[i]) return 0;
11348 if(n == 11) return 1; // just testing if there was a match
11349 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11350 if(n == 1) SwapEngines(n);
11351 ParseArgsFromString(buf);
11352 if(n == 1) SwapEngines(n);
11353 if(n < 2) { ASSIGN(currentEngine[n], command[i]); }
11354 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11355 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11356 ParseArgsFromString(buf);
11362 SetPlayer (int player, char *p)
11363 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11365 char buf[MSG_SIZ], *engineName;
11366 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11367 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11368 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11370 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11371 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11372 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11373 ParseArgsFromString(buf);
11374 } else { // no engine with this nickname is installed!
11375 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11376 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11377 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11379 DisplayError(buf, 0);
11386 char *recentEngines;
11389 RecentEngineEvent (int nr)
11392 // SwapEngines(1); // bump first to second
11393 // ReplaceEngine(&second, 1); // and load it there
11394 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11395 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11396 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11397 ReplaceEngine(&first, 0);
11398 FloatToFront(&appData.recentEngineList, command[n]);
11403 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11404 { // determine players from game number
11405 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11407 if(appData.tourneyType == 0) {
11408 roundsPerCycle = (nPlayers - 1) | 1;
11409 pairingsPerRound = nPlayers / 2;
11410 } else if(appData.tourneyType > 0) {
11411 roundsPerCycle = nPlayers - appData.tourneyType;
11412 pairingsPerRound = appData.tourneyType;
11414 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11415 gamesPerCycle = gamesPerRound * roundsPerCycle;
11416 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11417 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11418 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11419 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11420 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11421 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11423 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11424 if(appData.roundSync) *syncInterval = gamesPerRound;
11426 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11428 if(appData.tourneyType == 0) {
11429 if(curPairing == (nPlayers-1)/2 ) {
11430 *whitePlayer = curRound;
11431 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11433 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11434 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11435 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11436 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11438 } else if(appData.tourneyType > 1) {
11439 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11440 *whitePlayer = curRound + appData.tourneyType;
11441 } else if(appData.tourneyType > 0) {
11442 *whitePlayer = curPairing;
11443 *blackPlayer = curRound + appData.tourneyType;
11446 // take care of white/black alternation per round.
11447 // For cycles and games this is already taken care of by default, derived from matchGame!
11448 return curRound & 1;
11452 NextTourneyGame (int nr, int *swapColors)
11453 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11455 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11457 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11458 tf = fopen(appData.tourneyFile, "r");
11459 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11460 ParseArgsFromFile(tf); fclose(tf);
11461 InitTimeControls(); // TC might be altered from tourney file
11463 nPlayers = CountPlayers(appData.participants); // count participants
11464 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11465 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11468 p = q = appData.results;
11469 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11470 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11471 DisplayMessage(_("Waiting for other game(s)"),"");
11472 waitingForGame = TRUE;
11473 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11476 waitingForGame = FALSE;
11479 if(appData.tourneyType < 0) {
11480 if(nr>=0 && !pairingReceived) {
11482 if(pairing.pr == NoProc) {
11483 if(!appData.pairingEngine[0]) {
11484 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11487 StartChessProgram(&pairing); // starts the pairing engine
11489 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11490 SendToProgram(buf, &pairing);
11491 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11492 SendToProgram(buf, &pairing);
11493 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11495 pairingReceived = 0; // ... so we continue here
11497 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11498 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11499 matchGame = 1; roundNr = nr / syncInterval + 1;
11502 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11504 // redefine engines, engine dir, etc.
11505 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11506 if(first.pr == NoProc) {
11507 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11508 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11510 if(second.pr == NoProc) {
11512 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11513 SwapEngines(1); // and make that valid for second engine by swapping
11514 InitEngine(&second, 1);
11516 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11517 UpdateLogos(FALSE); // leave display to ModeHiglight()
11523 { // performs game initialization that does not invoke engines, and then tries to start the game
11524 int res, firstWhite, swapColors = 0;
11525 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11526 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
11528 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11529 if(strcmp(buf, currentDebugFile)) { // name has changed
11530 FILE *f = fopen(buf, "w");
11531 if(f) { // if opening the new file failed, just keep using the old one
11532 ASSIGN(currentDebugFile, buf);
11536 if(appData.serverFileName) {
11537 if(serverFP) fclose(serverFP);
11538 serverFP = fopen(appData.serverFileName, "w");
11539 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11540 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11544 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11545 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11546 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11547 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11548 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11549 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11550 Reset(FALSE, first.pr != NoProc);
11551 res = LoadGameOrPosition(matchGame); // setup game
11552 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11553 if(!res) return; // abort when bad game/pos file
11554 if(appData.epd) {// in EPD mode we make sure first engine is to move
11555 firstWhite = !(forwardMostMove & 1);
11556 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11557 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11559 TwoMachinesEvent();
11563 UserAdjudicationEvent (int result)
11565 ChessMove gameResult = GameIsDrawn;
11568 gameResult = WhiteWins;
11570 else if( result < 0 ) {
11571 gameResult = BlackWins;
11574 if( gameMode == TwoMachinesPlay ) {
11575 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11580 // [HGM] save: calculate checksum of game to make games easily identifiable
11582 StringCheckSum (char *s)
11585 if(s==NULL) return 0;
11586 while(*s) i = i*259 + *s++;
11594 for(i=backwardMostMove; i<forwardMostMove; i++) {
11595 sum += pvInfoList[i].depth;
11596 sum += StringCheckSum(parseList[i]);
11597 sum += StringCheckSum(commentList[i]);
11600 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11601 return sum + StringCheckSum(commentList[i]);
11602 } // end of save patch
11605 GameEnds (ChessMove result, char *resultDetails, int whosays)
11607 GameMode nextGameMode;
11609 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11611 if(endingGame) return; /* [HGM] crash: forbid recursion */
11613 if(twoBoards) { // [HGM] dual: switch back to one board
11614 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11615 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11617 if (appData.debugMode) {
11618 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11619 result, resultDetails ? resultDetails : "(null)", whosays);
11622 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11624 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11626 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11627 /* If we are playing on ICS, the server decides when the
11628 game is over, but the engine can offer to draw, claim
11632 if (appData.zippyPlay && first.initDone) {
11633 if (result == GameIsDrawn) {
11634 /* In case draw still needs to be claimed */
11635 SendToICS(ics_prefix);
11636 SendToICS("draw\n");
11637 } else if (StrCaseStr(resultDetails, "resign")) {
11638 SendToICS(ics_prefix);
11639 SendToICS("resign\n");
11643 endingGame = 0; /* [HGM] crash */
11647 /* If we're loading the game from a file, stop */
11648 if (whosays == GE_FILE) {
11649 (void) StopLoadGameTimer();
11653 /* Cancel draw offers */
11654 first.offeredDraw = second.offeredDraw = 0;
11656 /* If this is an ICS game, only ICS can really say it's done;
11657 if not, anyone can. */
11658 isIcsGame = (gameMode == IcsPlayingWhite ||
11659 gameMode == IcsPlayingBlack ||
11660 gameMode == IcsObserving ||
11661 gameMode == IcsExamining);
11663 if (!isIcsGame || whosays == GE_ICS) {
11664 /* OK -- not an ICS game, or ICS said it was done */
11666 if (!isIcsGame && !appData.noChessProgram)
11667 SetUserThinkingEnables();
11669 /* [HGM] if a machine claims the game end we verify this claim */
11670 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11671 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11673 ChessMove trueResult = (ChessMove) -1;
11675 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11676 first.twoMachinesColor[0] :
11677 second.twoMachinesColor[0] ;
11679 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11680 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11681 /* [HGM] verify: engine mate claims accepted if they were flagged */
11682 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11684 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11685 /* [HGM] verify: engine mate claims accepted if they were flagged */
11686 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11688 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11689 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11692 // now verify win claims, but not in drop games, as we don't understand those yet
11693 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11694 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11695 (result == WhiteWins && claimer == 'w' ||
11696 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11697 if (appData.debugMode) {
11698 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11699 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11701 if(result != trueResult) {
11702 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11703 result = claimer == 'w' ? BlackWins : WhiteWins;
11704 resultDetails = buf;
11707 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11708 && (forwardMostMove <= backwardMostMove ||
11709 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11710 (claimer=='b')==(forwardMostMove&1))
11712 /* [HGM] verify: draws that were not flagged are false claims */
11713 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11714 result = claimer == 'w' ? BlackWins : WhiteWins;
11715 resultDetails = buf;
11717 /* (Claiming a loss is accepted no questions asked!) */
11718 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11719 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11720 result = GameUnfinished;
11721 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11723 /* [HGM] bare: don't allow bare King to win */
11724 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11725 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11726 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11727 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11728 && result != GameIsDrawn)
11729 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11730 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11731 int p = (int)boards[forwardMostMove][i][j] - color;
11732 if(p >= 0 && p <= (int)WhiteKing) k++;
11733 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11735 if (appData.debugMode) {
11736 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11737 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11739 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11740 result = GameIsDrawn;
11741 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11742 resultDetails = buf;
11748 if(serverMoves != NULL && !loadFlag) { char c = '=';
11749 if(result==WhiteWins) c = '+';
11750 if(result==BlackWins) c = '-';
11751 if(resultDetails != NULL)
11752 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11754 if (resultDetails != NULL) {
11755 gameInfo.result = result;
11756 gameInfo.resultDetails = StrSave(resultDetails);
11758 /* display last move only if game was not loaded from file */
11759 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11760 DisplayMove(currentMove - 1);
11762 if (forwardMostMove != 0) {
11763 if (gameMode != PlayFromGameFile && gameMode != EditGame
11764 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11766 if (*appData.saveGameFile != NULLCHAR) {
11767 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11768 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11770 SaveGameToFile(appData.saveGameFile, TRUE);
11771 } else if (appData.autoSaveGames) {
11772 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11774 if (*appData.savePositionFile != NULLCHAR) {
11775 SavePositionToFile(appData.savePositionFile);
11777 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11781 /* Tell program how game ended in case it is learning */
11782 /* [HGM] Moved this to after saving the PGN, just in case */
11783 /* engine died and we got here through time loss. In that */
11784 /* case we will get a fatal error writing the pipe, which */
11785 /* would otherwise lose us the PGN. */
11786 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11787 /* output during GameEnds should never be fatal anymore */
11788 if (gameMode == MachinePlaysWhite ||
11789 gameMode == MachinePlaysBlack ||
11790 gameMode == TwoMachinesPlay ||
11791 gameMode == IcsPlayingWhite ||
11792 gameMode == IcsPlayingBlack ||
11793 gameMode == BeginningOfGame) {
11795 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11797 if (first.pr != NoProc) {
11798 SendToProgram(buf, &first);
11800 if (second.pr != NoProc &&
11801 gameMode == TwoMachinesPlay) {
11802 SendToProgram(buf, &second);
11807 if (appData.icsActive) {
11808 if (appData.quietPlay &&
11809 (gameMode == IcsPlayingWhite ||
11810 gameMode == IcsPlayingBlack)) {
11811 SendToICS(ics_prefix);
11812 SendToICS("set shout 1\n");
11814 nextGameMode = IcsIdle;
11815 ics_user_moved = FALSE;
11816 /* clean up premove. It's ugly when the game has ended and the
11817 * premove highlights are still on the board.
11820 gotPremove = FALSE;
11821 ClearPremoveHighlights();
11822 DrawPosition(FALSE, boards[currentMove]);
11824 if (whosays == GE_ICS) {
11827 if (gameMode == IcsPlayingWhite)
11829 else if(gameMode == IcsPlayingBlack)
11830 PlayIcsLossSound();
11833 if (gameMode == IcsPlayingBlack)
11835 else if(gameMode == IcsPlayingWhite)
11836 PlayIcsLossSound();
11839 PlayIcsDrawSound();
11842 PlayIcsUnfinishedSound();
11845 if(appData.quitNext) { ExitEvent(0); return; }
11846 } else if (gameMode == EditGame ||
11847 gameMode == PlayFromGameFile ||
11848 gameMode == AnalyzeMode ||
11849 gameMode == AnalyzeFile) {
11850 nextGameMode = gameMode;
11852 nextGameMode = EndOfGame;
11857 nextGameMode = gameMode;
11860 if (appData.noChessProgram) {
11861 gameMode = nextGameMode;
11863 endingGame = 0; /* [HGM] crash */
11868 /* Put first chess program into idle state */
11869 if (first.pr != NoProc &&
11870 (gameMode == MachinePlaysWhite ||
11871 gameMode == MachinePlaysBlack ||
11872 gameMode == TwoMachinesPlay ||
11873 gameMode == IcsPlayingWhite ||
11874 gameMode == IcsPlayingBlack ||
11875 gameMode == BeginningOfGame)) {
11876 SendToProgram("force\n", &first);
11877 if (first.usePing) {
11879 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11880 SendToProgram(buf, &first);
11883 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11884 /* Kill off first chess program */
11885 if (first.isr != NULL)
11886 RemoveInputSource(first.isr);
11889 if (first.pr != NoProc) {
11891 DoSleep( appData.delayBeforeQuit );
11892 SendToProgram("quit\n", &first);
11893 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11894 first.reload = TRUE;
11898 if (second.reuse) {
11899 /* Put second chess program into idle state */
11900 if (second.pr != NoProc &&
11901 gameMode == TwoMachinesPlay) {
11902 SendToProgram("force\n", &second);
11903 if (second.usePing) {
11905 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11906 SendToProgram(buf, &second);
11909 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11910 /* Kill off second chess program */
11911 if (second.isr != NULL)
11912 RemoveInputSource(second.isr);
11915 if (second.pr != NoProc) {
11916 DoSleep( appData.delayBeforeQuit );
11917 SendToProgram("quit\n", &second);
11918 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11919 second.reload = TRUE;
11921 second.pr = NoProc;
11924 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11925 char resChar = '=';
11929 if (first.twoMachinesColor[0] == 'w') {
11932 second.matchWins++;
11937 if (first.twoMachinesColor[0] == 'b') {
11940 second.matchWins++;
11943 case GameUnfinished:
11949 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11950 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11951 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11952 ReserveGame(nextGame, resChar); // sets nextGame
11953 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11954 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11955 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11957 if (nextGame <= appData.matchGames && !abortMatch) {
11958 gameMode = nextGameMode;
11959 matchGame = nextGame; // this will be overruled in tourney mode!
11960 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11961 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11962 endingGame = 0; /* [HGM] crash */
11965 gameMode = nextGameMode;
11967 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11968 OutputKibitz(2, buf);
11969 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11970 OutputKibitz(2, buf);
11971 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11972 if(second.matchWins) OutputKibitz(2, buf);
11973 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11974 OutputKibitz(2, buf);
11976 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11977 first.tidy, second.tidy,
11978 first.matchWins, second.matchWins,
11979 appData.matchGames - (first.matchWins + second.matchWins));
11980 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11981 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11982 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11983 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11984 first.twoMachinesColor = "black\n";
11985 second.twoMachinesColor = "white\n";
11987 first.twoMachinesColor = "white\n";
11988 second.twoMachinesColor = "black\n";
11992 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11993 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11995 gameMode = nextGameMode;
11997 endingGame = 0; /* [HGM] crash */
11998 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11999 if(matchMode == TRUE) { // match through command line: exit with or without popup
12001 ToNrEvent(forwardMostMove);
12002 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
12004 } else DisplayFatalError(buf, 0, 0);
12005 } else { // match through menu; just stop, with or without popup
12006 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
12009 if(strcmp(ranking, "busy")) DisplayNote(ranking);
12010 } else DisplayNote(buf);
12012 if(ranking) free(ranking);
12016 /* Assumes program was just initialized (initString sent).
12017 Leaves program in force mode. */
12019 FeedMovesToProgram (ChessProgramState *cps, int upto)
12023 if (appData.debugMode)
12024 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
12025 startedFromSetupPosition ? "position and " : "",
12026 backwardMostMove, upto, cps->which);
12027 if(currentlyInitializedVariant != gameInfo.variant) {
12029 // [HGM] variantswitch: make engine aware of new variant
12030 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
12031 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
12032 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
12033 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
12034 SendToProgram(buf, cps);
12035 currentlyInitializedVariant = gameInfo.variant;
12037 SendToProgram("force\n", cps);
12038 if (startedFromSetupPosition) {
12039 SendBoard(cps, backwardMostMove);
12040 if (appData.debugMode) {
12041 fprintf(debugFP, "feedMoves\n");
12044 for (i = backwardMostMove; i < upto; i++) {
12045 SendMoveToProgram(i, cps);
12051 ResurrectChessProgram ()
12053 /* The chess program may have exited.
12054 If so, restart it and feed it all the moves made so far. */
12055 static int doInit = 0;
12057 if (appData.noChessProgram) return 1;
12059 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12060 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12061 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12062 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12064 if (first.pr != NoProc) return 1;
12065 StartChessProgram(&first);
12067 InitChessProgram(&first, FALSE);
12068 FeedMovesToProgram(&first, currentMove);
12070 if (!first.sendTime) {
12071 /* can't tell gnuchess what its clock should read,
12072 so we bow to its notion. */
12074 timeRemaining[0][currentMove] = whiteTimeRemaining;
12075 timeRemaining[1][currentMove] = blackTimeRemaining;
12078 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12079 appData.icsEngineAnalyze) && first.analysisSupport) {
12080 SendToProgram("analyze\n", &first);
12081 first.analyzing = TRUE;
12087 * Button procedures
12090 Reset (int redraw, int init)
12094 if (appData.debugMode) {
12095 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12096 redraw, init, gameMode);
12098 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12099 deadRanks = 0; // assume entire board is used
12100 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12101 CleanupTail(); // [HGM] vari: delete any stored variations
12102 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12103 pausing = pauseExamInvalid = FALSE;
12104 startedFromSetupPosition = blackPlaysFirst = FALSE;
12106 whiteFlag = blackFlag = FALSE;
12107 userOfferedDraw = FALSE;
12108 hintRequested = bookRequested = FALSE;
12109 first.maybeThinking = FALSE;
12110 second.maybeThinking = FALSE;
12111 first.bookSuspend = FALSE; // [HGM] book
12112 second.bookSuspend = FALSE;
12113 thinkOutput[0] = NULLCHAR;
12114 lastHint[0] = NULLCHAR;
12115 ClearGameInfo(&gameInfo);
12116 gameInfo.variant = StringToVariant(appData.variant);
12117 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12118 gameInfo.variant = VariantUnknown;
12119 strncpy(engineVariant, appData.variant, MSG_SIZ);
12121 ics_user_moved = ics_clock_paused = FALSE;
12122 ics_getting_history = H_FALSE;
12124 white_holding[0] = black_holding[0] = NULLCHAR;
12125 ClearProgramStats();
12126 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12130 flipView = appData.flipView;
12131 ClearPremoveHighlights();
12132 gotPremove = FALSE;
12133 alarmSounded = FALSE;
12134 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12136 GameEnds(EndOfFile, NULL, GE_PLAYER);
12137 if(appData.serverMovesName != NULL) {
12138 /* [HGM] prepare to make moves file for broadcasting */
12139 clock_t t = clock();
12140 if(serverMoves != NULL) fclose(serverMoves);
12141 serverMoves = fopen(appData.serverMovesName, "r");
12142 if(serverMoves != NULL) {
12143 fclose(serverMoves);
12144 /* delay 15 sec before overwriting, so all clients can see end */
12145 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12147 serverMoves = fopen(appData.serverMovesName, "w");
12151 gameMode = BeginningOfGame;
12153 if(appData.icsActive) gameInfo.variant = VariantNormal;
12154 currentMove = forwardMostMove = backwardMostMove = 0;
12155 MarkTargetSquares(1);
12156 InitPosition(redraw);
12157 for (i = 0; i < MAX_MOVES; i++) {
12158 if (commentList[i] != NULL) {
12159 free(commentList[i]);
12160 commentList[i] = NULL;
12164 timeRemaining[0][0] = whiteTimeRemaining;
12165 timeRemaining[1][0] = blackTimeRemaining;
12167 if (first.pr == NoProc) {
12168 StartChessProgram(&first);
12171 InitChessProgram(&first, startedFromSetupPosition);
12174 DisplayMessage("", "");
12175 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12176 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12177 ClearMap(); // [HGM] exclude: invalidate map
12181 AutoPlayGameLoop ()
12184 if (!AutoPlayOneMove())
12186 if (matchMode || appData.timeDelay == 0)
12188 if (appData.timeDelay < 0)
12190 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12198 ReloadGame(1); // next game
12204 int fromX, fromY, toX, toY;
12206 if (appData.debugMode) {
12207 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12210 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12213 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12214 pvInfoList[currentMove].depth = programStats.depth;
12215 pvInfoList[currentMove].score = programStats.score;
12216 pvInfoList[currentMove].time = 0;
12217 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12218 else { // append analysis of final position as comment
12220 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12221 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12223 programStats.depth = 0;
12226 if (currentMove >= forwardMostMove) {
12227 if(gameMode == AnalyzeFile) {
12228 if(appData.loadGameIndex == -1) {
12229 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12230 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12232 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12235 // gameMode = EndOfGame;
12236 // ModeHighlight();
12238 /* [AS] Clear current move marker at the end of a game */
12239 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12244 toX = moveList[currentMove][2] - AAA;
12245 toY = moveList[currentMove][3] - ONE;
12247 if (moveList[currentMove][1] == '@') {
12248 if (appData.highlightLastMove) {
12249 SetHighlights(-1, -1, toX, toY);
12252 fromX = moveList[currentMove][0] - AAA;
12253 fromY = moveList[currentMove][1] - ONE;
12255 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12257 if(moveList[currentMove][4] == ';') { // multi-leg
12258 killX = moveList[currentMove][5] - AAA;
12259 killY = moveList[currentMove][6] - ONE;
12261 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12262 killX = killY = -1;
12264 if (appData.highlightLastMove) {
12265 SetHighlights(fromX, fromY, toX, toY);
12268 DisplayMove(currentMove);
12269 SendMoveToProgram(currentMove++, &first);
12270 DisplayBothClocks();
12271 DrawPosition(FALSE, boards[currentMove]);
12272 // [HGM] PV info: always display, routine tests if empty
12273 DisplayComment(currentMove - 1, commentList[currentMove]);
12279 LoadGameOneMove (ChessMove readAhead)
12281 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12282 char promoChar = NULLCHAR;
12283 ChessMove moveType;
12284 char move[MSG_SIZ];
12287 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12288 gameMode != AnalyzeMode && gameMode != Training) {
12293 yyboardindex = forwardMostMove;
12294 if (readAhead != EndOfFile) {
12295 moveType = readAhead;
12297 if (gameFileFP == NULL)
12299 moveType = (ChessMove) Myylex();
12303 switch (moveType) {
12305 if (appData.debugMode)
12306 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12309 /* append the comment but don't display it */
12310 AppendComment(currentMove, p, FALSE);
12313 case WhiteCapturesEnPassant:
12314 case BlackCapturesEnPassant:
12315 case WhitePromotion:
12316 case BlackPromotion:
12317 case WhiteNonPromotion:
12318 case BlackNonPromotion:
12321 case WhiteKingSideCastle:
12322 case WhiteQueenSideCastle:
12323 case BlackKingSideCastle:
12324 case BlackQueenSideCastle:
12325 case WhiteKingSideCastleWild:
12326 case WhiteQueenSideCastleWild:
12327 case BlackKingSideCastleWild:
12328 case BlackQueenSideCastleWild:
12330 case WhiteHSideCastleFR:
12331 case WhiteASideCastleFR:
12332 case BlackHSideCastleFR:
12333 case BlackASideCastleFR:
12335 if (appData.debugMode)
12336 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12337 fromX = currentMoveString[0] - AAA;
12338 fromY = currentMoveString[1] - ONE;
12339 toX = currentMoveString[2] - AAA;
12340 toY = currentMoveString[3] - ONE;
12341 promoChar = currentMoveString[4];
12342 if(promoChar == ';') promoChar = currentMoveString[7];
12347 if (appData.debugMode)
12348 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12349 fromX = moveType == WhiteDrop ?
12350 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12351 (int) CharToPiece(ToLower(currentMoveString[0]));
12353 toX = currentMoveString[2] - AAA;
12354 toY = currentMoveString[3] - ONE;
12360 case GameUnfinished:
12361 if (appData.debugMode)
12362 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12363 p = strchr(yy_text, '{');
12364 if (p == NULL) p = strchr(yy_text, '(');
12367 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12369 q = strchr(p, *p == '{' ? '}' : ')');
12370 if (q != NULL) *q = NULLCHAR;
12373 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12374 GameEnds(moveType, p, GE_FILE);
12376 if (cmailMsgLoaded) {
12378 flipView = WhiteOnMove(currentMove);
12379 if (moveType == GameUnfinished) flipView = !flipView;
12380 if (appData.debugMode)
12381 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12386 if (appData.debugMode)
12387 fprintf(debugFP, "Parser hit end of file\n");
12388 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12394 if (WhiteOnMove(currentMove)) {
12395 GameEnds(BlackWins, "Black mates", GE_FILE);
12397 GameEnds(WhiteWins, "White mates", GE_FILE);
12401 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12407 case MoveNumberOne:
12408 if (lastLoadGameStart == GNUChessGame) {
12409 /* GNUChessGames have numbers, but they aren't move numbers */
12410 if (appData.debugMode)
12411 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12412 yy_text, (int) moveType);
12413 return LoadGameOneMove(EndOfFile); /* tail recursion */
12415 /* else fall thru */
12420 /* Reached start of next game in file */
12421 if (appData.debugMode)
12422 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12423 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12429 if (WhiteOnMove(currentMove)) {
12430 GameEnds(BlackWins, "Black mates", GE_FILE);
12432 GameEnds(WhiteWins, "White mates", GE_FILE);
12436 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12442 case PositionDiagram: /* should not happen; ignore */
12443 case ElapsedTime: /* ignore */
12444 case NAG: /* ignore */
12445 if (appData.debugMode)
12446 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12447 yy_text, (int) moveType);
12448 return LoadGameOneMove(EndOfFile); /* tail recursion */
12451 if (appData.testLegality) {
12452 if (appData.debugMode)
12453 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12454 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12455 (forwardMostMove / 2) + 1,
12456 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12457 DisplayError(move, 0);
12460 if (appData.debugMode)
12461 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12462 yy_text, currentMoveString);
12463 if(currentMoveString[1] == '@') {
12464 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12467 fromX = currentMoveString[0] - AAA;
12468 fromY = currentMoveString[1] - ONE;
12470 toX = currentMoveString[2] - AAA;
12471 toY = currentMoveString[3] - ONE;
12472 promoChar = currentMoveString[4];
12476 case AmbiguousMove:
12477 if (appData.debugMode)
12478 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12479 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12480 (forwardMostMove / 2) + 1,
12481 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12482 DisplayError(move, 0);
12487 case ImpossibleMove:
12488 if (appData.debugMode)
12489 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12490 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12491 (forwardMostMove / 2) + 1,
12492 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12493 DisplayError(move, 0);
12499 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12500 DrawPosition(FALSE, boards[currentMove]);
12501 DisplayBothClocks();
12502 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12503 DisplayComment(currentMove - 1, commentList[currentMove]);
12505 (void) StopLoadGameTimer();
12507 cmailOldMove = forwardMostMove;
12510 /* currentMoveString is set as a side-effect of yylex */
12512 thinkOutput[0] = NULLCHAR;
12513 MakeMove(fromX, fromY, toX, toY, promoChar);
12514 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12515 currentMove = forwardMostMove;
12520 /* Load the nth game from the given file */
12522 LoadGameFromFile (char *filename, int n, char *title, int useList)
12527 if (strcmp(filename, "-") == 0) {
12531 f = fopen(filename, "rb");
12533 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12534 DisplayError(buf, errno);
12538 if (fseek(f, 0, 0) == -1) {
12539 /* f is not seekable; probably a pipe */
12542 if (useList && n == 0) {
12543 int error = GameListBuild(f);
12545 DisplayError(_("Cannot build game list"), error);
12546 } else if (!ListEmpty(&gameList) &&
12547 ((ListGame *) gameList.tailPred)->number > 1) {
12548 GameListPopUp(f, title);
12555 return LoadGame(f, n, title, FALSE);
12560 MakeRegisteredMove ()
12562 int fromX, fromY, toX, toY;
12564 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12565 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12568 if (appData.debugMode)
12569 fprintf(debugFP, "Restoring %s for game %d\n",
12570 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12572 thinkOutput[0] = NULLCHAR;
12573 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12574 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12575 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12576 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12577 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12578 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12579 MakeMove(fromX, fromY, toX, toY, promoChar);
12580 ShowMove(fromX, fromY, toX, toY);
12582 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12589 if (WhiteOnMove(currentMove)) {
12590 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12592 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12597 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12604 if (WhiteOnMove(currentMove)) {
12605 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12607 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12612 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12623 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12625 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12629 if (gameNumber > nCmailGames) {
12630 DisplayError(_("No more games in this message"), 0);
12633 if (f == lastLoadGameFP) {
12634 int offset = gameNumber - lastLoadGameNumber;
12636 cmailMsg[0] = NULLCHAR;
12637 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12638 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12639 nCmailMovesRegistered--;
12641 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12642 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12643 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12646 if (! RegisterMove()) return FALSE;
12650 retVal = LoadGame(f, gameNumber, title, useList);
12652 /* Make move registered during previous look at this game, if any */
12653 MakeRegisteredMove();
12655 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12656 commentList[currentMove]
12657 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12658 DisplayComment(currentMove - 1, commentList[currentMove]);
12664 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12666 ReloadGame (int offset)
12668 int gameNumber = lastLoadGameNumber + offset;
12669 if (lastLoadGameFP == NULL) {
12670 DisplayError(_("No game has been loaded yet"), 0);
12673 if (gameNumber <= 0) {
12674 DisplayError(_("Can't back up any further"), 0);
12677 if (cmailMsgLoaded) {
12678 return CmailLoadGame(lastLoadGameFP, gameNumber,
12679 lastLoadGameTitle, lastLoadGameUseList);
12681 return LoadGame(lastLoadGameFP, gameNumber,
12682 lastLoadGameTitle, lastLoadGameUseList);
12686 int keys[EmptySquare+1];
12689 PositionMatches (Board b1, Board b2)
12692 switch(appData.searchMode) {
12693 case 1: return CompareWithRights(b1, b2);
12695 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12696 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12700 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12701 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12702 sum += keys[b1[r][f]] - keys[b2[r][f]];
12706 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12707 sum += keys[b1[r][f]] - keys[b2[r][f]];
12719 int pieceList[256], quickBoard[256];
12720 ChessSquare pieceType[256] = { EmptySquare };
12721 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12722 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12723 int soughtTotal, turn;
12724 Boolean epOK, flipSearch;
12727 unsigned char piece, to;
12730 #define DSIZE (250000)
12732 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12733 Move *moveDatabase = initialSpace;
12734 unsigned int movePtr, dataSize = DSIZE;
12737 MakePieceList (Board board, int *counts)
12739 int r, f, n=Q_PROMO, total=0;
12740 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12741 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12742 int sq = f + (r<<4);
12743 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12744 quickBoard[sq] = ++n;
12746 pieceType[n] = board[r][f];
12747 counts[board[r][f]]++;
12748 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12749 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12753 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12758 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12760 int sq = fromX + (fromY<<4);
12761 int piece = quickBoard[sq], rook;
12762 quickBoard[sq] = 0;
12763 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12764 if(piece == pieceList[1] && fromY == toY) {
12765 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12766 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12767 moveDatabase[movePtr++].piece = Q_WCASTL;
12768 quickBoard[sq] = piece;
12769 piece = quickBoard[from]; quickBoard[from] = 0;
12770 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12771 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12772 quickBoard[sq] = 0; // remove Rook
12773 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12774 moveDatabase[movePtr++].piece = Q_WCASTL;
12775 quickBoard[sq] = pieceList[1]; // put King
12777 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12780 if(piece == pieceList[2] && fromY == toY) {
12781 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12782 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12783 moveDatabase[movePtr++].piece = Q_BCASTL;
12784 quickBoard[sq] = piece;
12785 piece = quickBoard[from]; quickBoard[from] = 0;
12786 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12787 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12788 quickBoard[sq] = 0; // remove Rook
12789 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12790 moveDatabase[movePtr++].piece = Q_BCASTL;
12791 quickBoard[sq] = pieceList[2]; // put King
12793 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12796 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12797 quickBoard[(fromY<<4)+toX] = 0;
12798 moveDatabase[movePtr].piece = Q_EP;
12799 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12800 moveDatabase[movePtr].to = sq;
12802 if(promoPiece != pieceType[piece]) {
12803 moveDatabase[movePtr++].piece = Q_PROMO;
12804 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12806 moveDatabase[movePtr].piece = piece;
12807 quickBoard[sq] = piece;
12812 PackGame (Board board)
12814 Move *newSpace = NULL;
12815 moveDatabase[movePtr].piece = 0; // terminate previous game
12816 if(movePtr > dataSize) {
12817 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12818 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12819 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12822 Move *p = moveDatabase, *q = newSpace;
12823 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12824 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12825 moveDatabase = newSpace;
12826 } else { // calloc failed, we must be out of memory. Too bad...
12827 dataSize = 0; // prevent calloc events for all subsequent games
12828 return 0; // and signal this one isn't cached
12832 MakePieceList(board, counts);
12837 QuickCompare (Board board, int *minCounts, int *maxCounts)
12838 { // compare according to search mode
12840 switch(appData.searchMode)
12842 case 1: // exact position match
12843 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12844 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12845 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12848 case 2: // can have extra material on empty squares
12849 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12850 if(board[r][f] == EmptySquare) continue;
12851 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12854 case 3: // material with exact Pawn structure
12855 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12856 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12857 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12858 } // fall through to material comparison
12859 case 4: // exact material
12860 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12862 case 6: // material range with given imbalance
12863 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12864 // fall through to range comparison
12865 case 5: // material range
12866 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12872 QuickScan (Board board, Move *move)
12873 { // reconstruct game,and compare all positions in it
12874 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12876 int piece = move->piece;
12877 int to = move->to, from = pieceList[piece];
12878 if(found < 0) { // if already found just scan to game end for final piece count
12879 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12880 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12881 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12882 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12884 static int lastCounts[EmptySquare+1];
12886 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12887 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12888 } else stretch = 0;
12889 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12890 if(found >= 0 && !appData.minPieces) return found;
12892 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12893 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12894 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12895 piece = (++move)->piece;
12896 from = pieceList[piece];
12897 counts[pieceType[piece]]--;
12898 pieceType[piece] = (ChessSquare) move->to;
12899 counts[move->to]++;
12900 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12901 counts[pieceType[quickBoard[to]]]--;
12902 quickBoard[to] = 0; total--;
12905 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12906 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12907 from = pieceList[piece]; // so this must be King
12908 quickBoard[from] = 0;
12909 pieceList[piece] = to;
12910 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12911 quickBoard[from] = 0; // rook
12912 quickBoard[to] = piece;
12913 to = move->to; piece = move->piece;
12917 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12918 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12919 quickBoard[from] = 0;
12921 quickBoard[to] = piece;
12922 pieceList[piece] = to;
12932 flipSearch = FALSE;
12933 CopyBoard(soughtBoard, boards[currentMove]);
12934 soughtTotal = MakePieceList(soughtBoard, maxSought);
12935 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12936 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12937 CopyBoard(reverseBoard, boards[currentMove]);
12938 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12939 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12940 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12941 reverseBoard[r][f] = piece;
12943 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12944 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12945 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12946 || (boards[currentMove][CASTLING][2] == NoRights ||
12947 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12948 && (boards[currentMove][CASTLING][5] == NoRights ||
12949 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12952 CopyBoard(flipBoard, soughtBoard);
12953 CopyBoard(rotateBoard, reverseBoard);
12954 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12955 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12956 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12959 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12960 if(appData.searchMode >= 5) {
12961 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12962 MakePieceList(soughtBoard, minSought);
12963 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12965 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12966 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12969 GameInfo dummyInfo;
12970 static int creatingBook;
12973 GameContainsPosition (FILE *f, ListGame *lg)
12975 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12976 int fromX, fromY, toX, toY;
12978 static int initDone=FALSE;
12980 // weed out games based on numerical tag comparison
12981 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12982 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12983 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12984 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12986 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12989 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12990 else CopyBoard(boards[scratch], initialPosition); // default start position
12993 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12994 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12997 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12998 fseek(f, lg->offset, 0);
13001 yyboardindex = scratch;
13002 quickFlag = plyNr+1;
13007 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
13013 if(plyNr) return -1; // after we have seen moves, this is for new game
13016 case AmbiguousMove: // we cannot reconstruct the game beyond these two
13017 case ImpossibleMove:
13018 case WhiteWins: // game ends here with these four
13021 case GameUnfinished:
13025 if(appData.testLegality) return -1;
13026 case WhiteCapturesEnPassant:
13027 case BlackCapturesEnPassant:
13028 case WhitePromotion:
13029 case BlackPromotion:
13030 case WhiteNonPromotion:
13031 case BlackNonPromotion:
13034 case WhiteKingSideCastle:
13035 case WhiteQueenSideCastle:
13036 case BlackKingSideCastle:
13037 case BlackQueenSideCastle:
13038 case WhiteKingSideCastleWild:
13039 case WhiteQueenSideCastleWild:
13040 case BlackKingSideCastleWild:
13041 case BlackQueenSideCastleWild:
13042 case WhiteHSideCastleFR:
13043 case WhiteASideCastleFR:
13044 case BlackHSideCastleFR:
13045 case BlackASideCastleFR:
13046 fromX = currentMoveString[0] - AAA;
13047 fromY = currentMoveString[1] - ONE;
13048 toX = currentMoveString[2] - AAA;
13049 toY = currentMoveString[3] - ONE;
13050 promoChar = currentMoveString[4];
13054 fromX = next == WhiteDrop ?
13055 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13056 (int) CharToPiece(ToLower(currentMoveString[0]));
13058 toX = currentMoveString[2] - AAA;
13059 toY = currentMoveString[3] - ONE;
13063 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13065 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13066 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13067 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13068 if(appData.findMirror) {
13069 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13070 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13075 /* Load the nth game from open file f */
13077 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13081 int gn = gameNumber;
13082 ListGame *lg = NULL;
13083 int numPGNTags = 0, i;
13085 GameMode oldGameMode;
13086 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13087 char oldName[MSG_SIZ];
13089 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13091 if (appData.debugMode)
13092 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13094 if (gameMode == Training )
13095 SetTrainingModeOff();
13097 oldGameMode = gameMode;
13098 if (gameMode != BeginningOfGame) {
13099 Reset(FALSE, TRUE);
13101 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13104 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13105 fclose(lastLoadGameFP);
13109 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13112 fseek(f, lg->offset, 0);
13113 GameListHighlight(gameNumber);
13114 pos = lg->position;
13118 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13119 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13121 DisplayError(_("Game number out of range"), 0);
13126 if (fseek(f, 0, 0) == -1) {
13127 if (f == lastLoadGameFP ?
13128 gameNumber == lastLoadGameNumber + 1 :
13132 DisplayError(_("Can't seek on game file"), 0);
13137 lastLoadGameFP = f;
13138 lastLoadGameNumber = gameNumber;
13139 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13140 lastLoadGameUseList = useList;
13144 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13145 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13146 lg->gameInfo.black);
13148 } else if (*title != NULLCHAR) {
13149 if (gameNumber > 1) {
13150 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13153 DisplayTitle(title);
13157 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13158 gameMode = PlayFromGameFile;
13162 currentMove = forwardMostMove = backwardMostMove = 0;
13163 CopyBoard(boards[0], initialPosition);
13167 * Skip the first gn-1 games in the file.
13168 * Also skip over anything that precedes an identifiable
13169 * start of game marker, to avoid being confused by
13170 * garbage at the start of the file. Currently
13171 * recognized start of game markers are the move number "1",
13172 * the pattern "gnuchess .* game", the pattern
13173 * "^[#;%] [^ ]* game file", and a PGN tag block.
13174 * A game that starts with one of the latter two patterns
13175 * will also have a move number 1, possibly
13176 * following a position diagram.
13177 * 5-4-02: Let's try being more lenient and allowing a game to
13178 * start with an unnumbered move. Does that break anything?
13180 cm = lastLoadGameStart = EndOfFile;
13182 yyboardindex = forwardMostMove;
13183 cm = (ChessMove) Myylex();
13186 if (cmailMsgLoaded) {
13187 nCmailGames = CMAIL_MAX_GAMES - gn;
13190 DisplayError(_("Game not found in file"), 0);
13197 lastLoadGameStart = cm;
13200 case MoveNumberOne:
13201 switch (lastLoadGameStart) {
13206 case MoveNumberOne:
13208 gn--; /* count this game */
13209 lastLoadGameStart = cm;
13218 switch (lastLoadGameStart) {
13221 case MoveNumberOne:
13223 gn--; /* count this game */
13224 lastLoadGameStart = cm;
13227 lastLoadGameStart = cm; /* game counted already */
13235 yyboardindex = forwardMostMove;
13236 cm = (ChessMove) Myylex();
13237 } while (cm == PGNTag || cm == Comment);
13244 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13245 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13246 != CMAIL_OLD_RESULT) {
13248 cmailResult[ CMAIL_MAX_GAMES
13249 - gn - 1] = CMAIL_OLD_RESULT;
13256 /* Only a NormalMove can be at the start of a game
13257 * without a position diagram. */
13258 if (lastLoadGameStart == EndOfFile ) {
13260 lastLoadGameStart = MoveNumberOne;
13269 if (appData.debugMode)
13270 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13272 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13274 if (cm == XBoardGame) {
13275 /* Skip any header junk before position diagram and/or move 1 */
13277 yyboardindex = forwardMostMove;
13278 cm = (ChessMove) Myylex();
13280 if (cm == EndOfFile ||
13281 cm == GNUChessGame || cm == XBoardGame) {
13282 /* Empty game; pretend end-of-file and handle later */
13287 if (cm == MoveNumberOne || cm == PositionDiagram ||
13288 cm == PGNTag || cm == Comment)
13291 } else if (cm == GNUChessGame) {
13292 if (gameInfo.event != NULL) {
13293 free(gameInfo.event);
13295 gameInfo.event = StrSave(yy_text);
13298 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13299 while (cm == PGNTag) {
13300 if (appData.debugMode)
13301 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13302 err = ParsePGNTag(yy_text, &gameInfo);
13303 if (!err) numPGNTags++;
13305 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13306 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13307 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13308 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13309 InitPosition(TRUE);
13310 oldVariant = gameInfo.variant;
13311 if (appData.debugMode)
13312 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13316 if (gameInfo.fen != NULL) {
13317 Board initial_position;
13318 startedFromSetupPosition = TRUE;
13319 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13321 DisplayError(_("Bad FEN position in file"), 0);
13324 CopyBoard(boards[0], initial_position);
13325 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13326 CopyBoard(initialPosition, initial_position);
13327 if (blackPlaysFirst) {
13328 currentMove = forwardMostMove = backwardMostMove = 1;
13329 CopyBoard(boards[1], initial_position);
13330 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13331 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13332 timeRemaining[0][1] = whiteTimeRemaining;
13333 timeRemaining[1][1] = blackTimeRemaining;
13334 if (commentList[0] != NULL) {
13335 commentList[1] = commentList[0];
13336 commentList[0] = NULL;
13339 currentMove = forwardMostMove = backwardMostMove = 0;
13341 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13343 initialRulePlies = FENrulePlies;
13344 for( i=0; i< nrCastlingRights; i++ )
13345 initialRights[i] = initial_position[CASTLING][i];
13347 yyboardindex = forwardMostMove;
13348 free(gameInfo.fen);
13349 gameInfo.fen = NULL;
13352 yyboardindex = forwardMostMove;
13353 cm = (ChessMove) Myylex();
13355 /* Handle comments interspersed among the tags */
13356 while (cm == Comment) {
13358 if (appData.debugMode)
13359 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13361 AppendComment(currentMove, p, FALSE);
13362 yyboardindex = forwardMostMove;
13363 cm = (ChessMove) Myylex();
13367 /* don't rely on existence of Event tag since if game was
13368 * pasted from clipboard the Event tag may not exist
13370 if (numPGNTags > 0){
13372 if (gameInfo.variant == VariantNormal) {
13373 VariantClass v = StringToVariant(gameInfo.event);
13374 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13375 if(v < VariantShogi) gameInfo.variant = v;
13378 if( appData.autoDisplayTags ) {
13379 tags = PGNTags(&gameInfo);
13380 TagsPopUp(tags, CmailMsg());
13385 /* Make something up, but don't display it now */
13390 if (cm == PositionDiagram) {
13393 Board initial_position;
13395 if (appData.debugMode)
13396 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13398 if (!startedFromSetupPosition) {
13400 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13401 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13412 initial_position[i][j++] = CharToPiece(*p);
13415 while (*p == ' ' || *p == '\t' ||
13416 *p == '\n' || *p == '\r') p++;
13418 if (strncmp(p, "black", strlen("black"))==0)
13419 blackPlaysFirst = TRUE;
13421 blackPlaysFirst = FALSE;
13422 startedFromSetupPosition = TRUE;
13424 CopyBoard(boards[0], initial_position);
13425 if (blackPlaysFirst) {
13426 currentMove = forwardMostMove = backwardMostMove = 1;
13427 CopyBoard(boards[1], initial_position);
13428 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13429 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13430 timeRemaining[0][1] = whiteTimeRemaining;
13431 timeRemaining[1][1] = blackTimeRemaining;
13432 if (commentList[0] != NULL) {
13433 commentList[1] = commentList[0];
13434 commentList[0] = NULL;
13437 currentMove = forwardMostMove = backwardMostMove = 0;
13440 yyboardindex = forwardMostMove;
13441 cm = (ChessMove) Myylex();
13444 if(!creatingBook) {
13445 if (first.pr == NoProc) {
13446 StartChessProgram(&first);
13448 InitChessProgram(&first, FALSE);
13449 if(gameInfo.variant == VariantUnknown && *oldName) {
13450 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13451 gameInfo.variant = v;
13453 SendToProgram("force\n", &first);
13454 if (startedFromSetupPosition) {
13455 SendBoard(&first, forwardMostMove);
13456 if (appData.debugMode) {
13457 fprintf(debugFP, "Load Game\n");
13459 DisplayBothClocks();
13463 /* [HGM] server: flag to write setup moves in broadcast file as one */
13464 loadFlag = appData.suppressLoadMoves;
13466 while (cm == Comment) {
13468 if (appData.debugMode)
13469 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13471 AppendComment(currentMove, p, FALSE);
13472 yyboardindex = forwardMostMove;
13473 cm = (ChessMove) Myylex();
13476 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13477 cm == WhiteWins || cm == BlackWins ||
13478 cm == GameIsDrawn || cm == GameUnfinished) {
13479 DisplayMessage("", _("No moves in game"));
13480 if (cmailMsgLoaded) {
13481 if (appData.debugMode)
13482 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13486 DrawPosition(FALSE, boards[currentMove]);
13487 DisplayBothClocks();
13488 gameMode = EditGame;
13495 // [HGM] PV info: routine tests if comment empty
13496 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13497 DisplayComment(currentMove - 1, commentList[currentMove]);
13499 if (!matchMode && appData.timeDelay != 0)
13500 DrawPosition(FALSE, boards[currentMove]);
13502 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13503 programStats.ok_to_send = 1;
13506 /* if the first token after the PGN tags is a move
13507 * and not move number 1, retrieve it from the parser
13509 if (cm != MoveNumberOne)
13510 LoadGameOneMove(cm);
13512 /* load the remaining moves from the file */
13513 while (LoadGameOneMove(EndOfFile)) {
13514 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13515 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13518 /* rewind to the start of the game */
13519 currentMove = backwardMostMove;
13521 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13523 if (oldGameMode == AnalyzeFile) {
13524 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13525 AnalyzeFileEvent();
13527 if (oldGameMode == AnalyzeMode) {
13528 AnalyzeFileEvent();
13531 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13532 long int w, b; // [HGM] adjourn: restore saved clock times
13533 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13534 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13535 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13536 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13540 if(creatingBook) return TRUE;
13541 if (!matchMode && pos > 0) {
13542 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13544 if (matchMode || appData.timeDelay == 0) {
13546 } else if (appData.timeDelay > 0) {
13547 AutoPlayGameLoop();
13550 if (appData.debugMode)
13551 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13553 loadFlag = 0; /* [HGM] true game starts */
13557 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13559 ReloadPosition (int offset)
13561 int positionNumber = lastLoadPositionNumber + offset;
13562 if (lastLoadPositionFP == NULL) {
13563 DisplayError(_("No position has been loaded yet"), 0);
13566 if (positionNumber <= 0) {
13567 DisplayError(_("Can't back up any further"), 0);
13570 return LoadPosition(lastLoadPositionFP, positionNumber,
13571 lastLoadPositionTitle);
13574 /* Load the nth position from the given file */
13576 LoadPositionFromFile (char *filename, int n, char *title)
13581 if (strcmp(filename, "-") == 0) {
13582 return LoadPosition(stdin, n, "stdin");
13584 f = fopen(filename, "rb");
13586 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13587 DisplayError(buf, errno);
13590 return LoadPosition(f, n, title);
13595 /* Load the nth position from the given open file, and close it */
13597 LoadPosition (FILE *f, int positionNumber, char *title)
13599 char *p, line[MSG_SIZ];
13600 Board initial_position;
13601 int i, j, fenMode, pn;
13603 if (gameMode == Training )
13604 SetTrainingModeOff();
13606 if (gameMode != BeginningOfGame) {
13607 Reset(FALSE, TRUE);
13609 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13610 fclose(lastLoadPositionFP);
13612 if (positionNumber == 0) positionNumber = 1;
13613 lastLoadPositionFP = f;
13614 lastLoadPositionNumber = positionNumber;
13615 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13616 if (first.pr == NoProc && !appData.noChessProgram) {
13617 StartChessProgram(&first);
13618 InitChessProgram(&first, FALSE);
13620 pn = positionNumber;
13621 if (positionNumber < 0) {
13622 /* Negative position number means to seek to that byte offset */
13623 if (fseek(f, -positionNumber, 0) == -1) {
13624 DisplayError(_("Can't seek on position file"), 0);
13629 if (fseek(f, 0, 0) == -1) {
13630 if (f == lastLoadPositionFP ?
13631 positionNumber == lastLoadPositionNumber + 1 :
13632 positionNumber == 1) {
13635 DisplayError(_("Can't seek on position file"), 0);
13640 /* See if this file is FEN or old-style xboard */
13641 if (fgets(line, MSG_SIZ, f) == NULL) {
13642 DisplayError(_("Position not found in file"), 0);
13645 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13646 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13649 if (fenMode || line[0] == '#') pn--;
13651 /* skip positions before number pn */
13652 if (fgets(line, MSG_SIZ, f) == NULL) {
13654 DisplayError(_("Position not found in file"), 0);
13657 if (fenMode || line[0] == '#') pn--;
13663 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13664 DisplayError(_("Bad FEN position in file"), 0);
13667 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13668 sscanf(p+4, "%[^;]", bestMove);
13669 } else *bestMove = NULLCHAR;
13670 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13671 sscanf(p+4, "%[^;]", avoidMove);
13672 } else *avoidMove = NULLCHAR;
13674 (void) fgets(line, MSG_SIZ, f);
13675 (void) fgets(line, MSG_SIZ, f);
13677 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13678 (void) fgets(line, MSG_SIZ, f);
13679 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13682 initial_position[i][j++] = CharToPiece(*p);
13686 blackPlaysFirst = FALSE;
13688 (void) fgets(line, MSG_SIZ, f);
13689 if (strncmp(line, "black", strlen("black"))==0)
13690 blackPlaysFirst = TRUE;
13693 startedFromSetupPosition = TRUE;
13695 CopyBoard(boards[0], initial_position);
13696 if (blackPlaysFirst) {
13697 currentMove = forwardMostMove = backwardMostMove = 1;
13698 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13699 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13700 CopyBoard(boards[1], initial_position);
13701 DisplayMessage("", _("Black to play"));
13703 currentMove = forwardMostMove = backwardMostMove = 0;
13704 DisplayMessage("", _("White to play"));
13706 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13707 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13708 SendToProgram("force\n", &first);
13709 SendBoard(&first, forwardMostMove);
13711 if (appData.debugMode) {
13713 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13714 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13715 fprintf(debugFP, "Load Position\n");
13718 if (positionNumber > 1) {
13719 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13720 DisplayTitle(line);
13722 DisplayTitle(title);
13724 gameMode = EditGame;
13727 timeRemaining[0][1] = whiteTimeRemaining;
13728 timeRemaining[1][1] = blackTimeRemaining;
13729 DrawPosition(FALSE, boards[currentMove]);
13736 CopyPlayerNameIntoFileName (char **dest, char *src)
13738 while (*src != NULLCHAR && *src != ',') {
13743 *(*dest)++ = *src++;
13749 DefaultFileName (char *ext)
13751 static char def[MSG_SIZ];
13754 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13756 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13758 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13760 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13767 /* Save the current game to the given file */
13769 SaveGameToFile (char *filename, int append)
13773 int result, i, t,tot=0;
13775 if (strcmp(filename, "-") == 0) {
13776 return SaveGame(stdout, 0, NULL);
13778 for(i=0; i<10; i++) { // upto 10 tries
13779 f = fopen(filename, append ? "a" : "w");
13780 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13781 if(f || errno != 13) break;
13782 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13786 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13787 DisplayError(buf, errno);
13790 safeStrCpy(buf, lastMsg, MSG_SIZ);
13791 DisplayMessage(_("Waiting for access to save file"), "");
13792 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13793 DisplayMessage(_("Saving game"), "");
13794 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13795 result = SaveGame(f, 0, NULL);
13796 DisplayMessage(buf, "");
13803 SavePart (char *str)
13805 static char buf[MSG_SIZ];
13808 p = strchr(str, ' ');
13809 if (p == NULL) return str;
13810 strncpy(buf, str, p - str);
13811 buf[p - str] = NULLCHAR;
13815 #define PGN_MAX_LINE 75
13817 #define PGN_SIDE_WHITE 0
13818 #define PGN_SIDE_BLACK 1
13821 FindFirstMoveOutOfBook (int side)
13825 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13826 int index = backwardMostMove;
13827 int has_book_hit = 0;
13829 if( (index % 2) != side ) {
13833 while( index < forwardMostMove ) {
13834 /* Check to see if engine is in book */
13835 int depth = pvInfoList[index].depth;
13836 int score = pvInfoList[index].score;
13842 else if( score == 0 && depth == 63 ) {
13843 in_book = 1; /* Zappa */
13845 else if( score == 2 && depth == 99 ) {
13846 in_book = 1; /* Abrok */
13849 has_book_hit += in_book;
13865 GetOutOfBookInfo (char * buf)
13869 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13871 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13872 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13876 if( oob[0] >= 0 || oob[1] >= 0 ) {
13877 for( i=0; i<2; i++ ) {
13881 if( i > 0 && oob[0] >= 0 ) {
13882 strcat( buf, " " );
13885 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13886 sprintf( buf+strlen(buf), "%s%.2f",
13887 pvInfoList[idx].score >= 0 ? "+" : "",
13888 pvInfoList[idx].score / 100.0 );
13894 /* Save game in PGN style */
13896 SaveGamePGN2 (FILE *f)
13898 int i, offset, linelen, newblock;
13901 int movelen, numlen, blank;
13902 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13904 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13906 PrintPGNTags(f, &gameInfo);
13908 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13910 if (backwardMostMove > 0 || startedFromSetupPosition) {
13911 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13912 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13913 fprintf(f, "\n{--------------\n");
13914 PrintPosition(f, backwardMostMove);
13915 fprintf(f, "--------------}\n");
13919 /* [AS] Out of book annotation */
13920 if( appData.saveOutOfBookInfo ) {
13923 GetOutOfBookInfo( buf );
13925 if( buf[0] != '\0' ) {
13926 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13933 i = backwardMostMove;
13937 while (i < forwardMostMove) {
13938 /* Print comments preceding this move */
13939 if (commentList[i] != NULL) {
13940 if (linelen > 0) fprintf(f, "\n");
13941 fprintf(f, "%s", commentList[i]);
13946 /* Format move number */
13948 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13951 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13953 numtext[0] = NULLCHAR;
13955 numlen = strlen(numtext);
13958 /* Print move number */
13959 blank = linelen > 0 && numlen > 0;
13960 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13969 fprintf(f, "%s", numtext);
13973 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13974 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13977 blank = linelen > 0 && movelen > 0;
13978 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13987 fprintf(f, "%s", move_buffer);
13988 linelen += movelen;
13990 /* [AS] Add PV info if present */
13991 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13992 /* [HGM] add time */
13993 char buf[MSG_SIZ]; int seconds;
13995 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
14001 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
14004 seconds = (seconds + 4)/10; // round to full seconds
14006 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
14008 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
14011 if(appData.cumulativeTimePGN) {
14012 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
14015 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
14016 pvInfoList[i].score >= 0 ? "+" : "",
14017 pvInfoList[i].score / 100.0,
14018 pvInfoList[i].depth,
14021 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
14023 /* Print score/depth */
14024 blank = linelen > 0 && movelen > 0;
14025 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14034 fprintf(f, "%s", move_buffer);
14035 linelen += movelen;
14041 /* Start a new line */
14042 if (linelen > 0) fprintf(f, "\n");
14044 /* Print comments after last move */
14045 if (commentList[i] != NULL) {
14046 fprintf(f, "%s\n", commentList[i]);
14050 if (gameInfo.resultDetails != NULL &&
14051 gameInfo.resultDetails[0] != NULLCHAR) {
14052 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
14053 if(gameInfo.result == GameUnfinished && appData.clockMode &&
14054 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14055 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14056 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14058 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14062 /* Save game in PGN style and close the file */
14064 SaveGamePGN (FILE *f)
14068 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14072 /* Save game in old style and close the file */
14074 SaveGameOldStyle (FILE *f)
14079 tm = time((time_t *) NULL);
14081 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14084 if (backwardMostMove > 0 || startedFromSetupPosition) {
14085 fprintf(f, "\n[--------------\n");
14086 PrintPosition(f, backwardMostMove);
14087 fprintf(f, "--------------]\n");
14092 i = backwardMostMove;
14093 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14095 while (i < forwardMostMove) {
14096 if (commentList[i] != NULL) {
14097 fprintf(f, "[%s]\n", commentList[i]);
14100 if ((i % 2) == 1) {
14101 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14104 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14106 if (commentList[i] != NULL) {
14110 if (i >= forwardMostMove) {
14114 fprintf(f, "%s\n", parseList[i]);
14119 if (commentList[i] != NULL) {
14120 fprintf(f, "[%s]\n", commentList[i]);
14123 /* This isn't really the old style, but it's close enough */
14124 if (gameInfo.resultDetails != NULL &&
14125 gameInfo.resultDetails[0] != NULLCHAR) {
14126 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14127 gameInfo.resultDetails);
14129 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14136 /* Save the current game to open file f and close the file */
14138 SaveGame (FILE *f, int dummy, char *dummy2)
14140 if (gameMode == EditPosition) EditPositionDone(TRUE);
14141 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14142 if (appData.oldSaveStyle)
14143 return SaveGameOldStyle(f);
14145 return SaveGamePGN(f);
14148 /* Save the current position to the given file */
14150 SavePositionToFile (char *filename)
14155 if (strcmp(filename, "-") == 0) {
14156 return SavePosition(stdout, 0, NULL);
14158 f = fopen(filename, "a");
14160 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14161 DisplayError(buf, errno);
14164 safeStrCpy(buf, lastMsg, MSG_SIZ);
14165 DisplayMessage(_("Waiting for access to save file"), "");
14166 flock(fileno(f), LOCK_EX); // [HGM] lock
14167 DisplayMessage(_("Saving position"), "");
14168 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14169 SavePosition(f, 0, NULL);
14170 DisplayMessage(buf, "");
14176 /* Save the current position to the given open file and close the file */
14178 SavePosition (FILE *f, int dummy, char *dummy2)
14183 if (gameMode == EditPosition) EditPositionDone(TRUE);
14184 if (appData.oldSaveStyle) {
14185 tm = time((time_t *) NULL);
14187 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14189 fprintf(f, "[--------------\n");
14190 PrintPosition(f, currentMove);
14191 fprintf(f, "--------------]\n");
14193 fen = PositionToFEN(currentMove, NULL, 1);
14194 fprintf(f, "%s\n", fen);
14202 ReloadCmailMsgEvent (int unregister)
14205 static char *inFilename = NULL;
14206 static char *outFilename;
14208 struct stat inbuf, outbuf;
14211 /* Any registered moves are unregistered if unregister is set, */
14212 /* i.e. invoked by the signal handler */
14214 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14215 cmailMoveRegistered[i] = FALSE;
14216 if (cmailCommentList[i] != NULL) {
14217 free(cmailCommentList[i]);
14218 cmailCommentList[i] = NULL;
14221 nCmailMovesRegistered = 0;
14224 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14225 cmailResult[i] = CMAIL_NOT_RESULT;
14229 if (inFilename == NULL) {
14230 /* Because the filenames are static they only get malloced once */
14231 /* and they never get freed */
14232 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14233 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14235 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14236 sprintf(outFilename, "%s.out", appData.cmailGameName);
14239 status = stat(outFilename, &outbuf);
14241 cmailMailedMove = FALSE;
14243 status = stat(inFilename, &inbuf);
14244 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14247 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14248 counts the games, notes how each one terminated, etc.
14250 It would be nice to remove this kludge and instead gather all
14251 the information while building the game list. (And to keep it
14252 in the game list nodes instead of having a bunch of fixed-size
14253 parallel arrays.) Note this will require getting each game's
14254 termination from the PGN tags, as the game list builder does
14255 not process the game moves. --mann
14257 cmailMsgLoaded = TRUE;
14258 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14260 /* Load first game in the file or popup game menu */
14261 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14263 #endif /* !WIN32 */
14271 char string[MSG_SIZ];
14273 if ( cmailMailedMove
14274 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14275 return TRUE; /* Allow free viewing */
14278 /* Unregister move to ensure that we don't leave RegisterMove */
14279 /* with the move registered when the conditions for registering no */
14281 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14282 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14283 nCmailMovesRegistered --;
14285 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14287 free(cmailCommentList[lastLoadGameNumber - 1]);
14288 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14292 if (cmailOldMove == -1) {
14293 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14297 if (currentMove > cmailOldMove + 1) {
14298 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14302 if (currentMove < cmailOldMove) {
14303 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14307 if (forwardMostMove > currentMove) {
14308 /* Silently truncate extra moves */
14312 if ( (currentMove == cmailOldMove + 1)
14313 || ( (currentMove == cmailOldMove)
14314 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14315 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14316 if (gameInfo.result != GameUnfinished) {
14317 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14320 if (commentList[currentMove] != NULL) {
14321 cmailCommentList[lastLoadGameNumber - 1]
14322 = StrSave(commentList[currentMove]);
14324 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14326 if (appData.debugMode)
14327 fprintf(debugFP, "Saving %s for game %d\n",
14328 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14330 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14332 f = fopen(string, "w");
14333 if (appData.oldSaveStyle) {
14334 SaveGameOldStyle(f); /* also closes the file */
14336 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14337 f = fopen(string, "w");
14338 SavePosition(f, 0, NULL); /* also closes the file */
14340 fprintf(f, "{--------------\n");
14341 PrintPosition(f, currentMove);
14342 fprintf(f, "--------------}\n\n");
14344 SaveGame(f, 0, NULL); /* also closes the file*/
14347 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14348 nCmailMovesRegistered ++;
14349 } else if (nCmailGames == 1) {
14350 DisplayError(_("You have not made a move yet"), 0);
14361 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14362 FILE *commandOutput;
14363 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14364 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14370 if (! cmailMsgLoaded) {
14371 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14375 if (nCmailGames == nCmailResults) {
14376 DisplayError(_("No unfinished games"), 0);
14380 #if CMAIL_PROHIBIT_REMAIL
14381 if (cmailMailedMove) {
14382 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);
14383 DisplayError(msg, 0);
14388 if (! (cmailMailedMove || RegisterMove())) return;
14390 if ( cmailMailedMove
14391 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14392 snprintf(string, MSG_SIZ, partCommandString,
14393 appData.debugMode ? " -v" : "", appData.cmailGameName);
14394 commandOutput = popen(string, "r");
14396 if (commandOutput == NULL) {
14397 DisplayError(_("Failed to invoke cmail"), 0);
14399 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14400 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14402 if (nBuffers > 1) {
14403 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14404 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14405 nBytes = MSG_SIZ - 1;
14407 (void) memcpy(msg, buffer, nBytes);
14409 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14411 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14412 cmailMailedMove = TRUE; /* Prevent >1 moves */
14415 for (i = 0; i < nCmailGames; i ++) {
14416 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14421 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14423 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14425 appData.cmailGameName,
14427 LoadGameFromFile(buffer, 1, buffer, FALSE);
14428 cmailMsgLoaded = FALSE;
14432 DisplayInformation(msg);
14433 pclose(commandOutput);
14436 if ((*cmailMsg) != '\0') {
14437 DisplayInformation(cmailMsg);
14442 #endif /* !WIN32 */
14451 int prependComma = 0;
14453 char string[MSG_SIZ]; /* Space for game-list */
14456 if (!cmailMsgLoaded) return "";
14458 if (cmailMailedMove) {
14459 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14461 /* Create a list of games left */
14462 snprintf(string, MSG_SIZ, "[");
14463 for (i = 0; i < nCmailGames; i ++) {
14464 if (! ( cmailMoveRegistered[i]
14465 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14466 if (prependComma) {
14467 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14469 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14473 strcat(string, number);
14476 strcat(string, "]");
14478 if (nCmailMovesRegistered + nCmailResults == 0) {
14479 switch (nCmailGames) {
14481 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14485 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14489 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14494 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14496 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14501 if (nCmailResults == nCmailGames) {
14502 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14504 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14509 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14521 if (gameMode == Training)
14522 SetTrainingModeOff();
14525 cmailMsgLoaded = FALSE;
14526 if (appData.icsActive) {
14527 SendToICS(ics_prefix);
14528 SendToICS("refresh\n");
14533 ExitEvent (int status)
14537 /* Give up on clean exit */
14541 /* Keep trying for clean exit */
14545 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14546 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14548 if (telnetISR != NULL) {
14549 RemoveInputSource(telnetISR);
14551 if (icsPR != NoProc) {
14552 DestroyChildProcess(icsPR, TRUE);
14555 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14556 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14558 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14559 /* make sure this other one finishes before killing it! */
14560 if(endingGame) { int count = 0;
14561 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14562 while(endingGame && count++ < 10) DoSleep(1);
14563 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14566 /* Kill off chess programs */
14567 if (first.pr != NoProc) {
14570 DoSleep( appData.delayBeforeQuit );
14571 SendToProgram("quit\n", &first);
14572 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14574 if (second.pr != NoProc) {
14575 DoSleep( appData.delayBeforeQuit );
14576 SendToProgram("quit\n", &second);
14577 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14579 if (first.isr != NULL) {
14580 RemoveInputSource(first.isr);
14582 if (second.isr != NULL) {
14583 RemoveInputSource(second.isr);
14586 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14587 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14589 ShutDownFrontEnd();
14594 PauseEngine (ChessProgramState *cps)
14596 SendToProgram("pause\n", cps);
14601 UnPauseEngine (ChessProgramState *cps)
14603 SendToProgram("resume\n", cps);
14610 if (appData.debugMode)
14611 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14615 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14617 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14618 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14619 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14621 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14622 HandleMachineMove(stashedInputMove, stalledEngine);
14623 stalledEngine = NULL;
14626 if (gameMode == MachinePlaysWhite ||
14627 gameMode == TwoMachinesPlay ||
14628 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14629 if(first.pause) UnPauseEngine(&first);
14630 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14631 if(second.pause) UnPauseEngine(&second);
14632 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14635 DisplayBothClocks();
14637 if (gameMode == PlayFromGameFile) {
14638 if (appData.timeDelay >= 0)
14639 AutoPlayGameLoop();
14640 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14641 Reset(FALSE, TRUE);
14642 SendToICS(ics_prefix);
14643 SendToICS("refresh\n");
14644 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14645 ForwardInner(forwardMostMove);
14647 pauseExamInvalid = FALSE;
14649 switch (gameMode) {
14653 pauseExamForwardMostMove = forwardMostMove;
14654 pauseExamInvalid = FALSE;
14657 case IcsPlayingWhite:
14658 case IcsPlayingBlack:
14662 case PlayFromGameFile:
14663 (void) StopLoadGameTimer();
14667 case BeginningOfGame:
14668 if (appData.icsActive) return;
14669 /* else fall through */
14670 case MachinePlaysWhite:
14671 case MachinePlaysBlack:
14672 case TwoMachinesPlay:
14673 if (forwardMostMove == 0)
14674 return; /* don't pause if no one has moved */
14675 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14676 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14677 if(onMove->pause) { // thinking engine can be paused
14678 PauseEngine(onMove); // do it
14679 if(onMove->other->pause) // pondering opponent can always be paused immediately
14680 PauseEngine(onMove->other);
14682 SendToProgram("easy\n", onMove->other);
14684 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14685 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14687 PauseEngine(&first);
14689 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14690 } else { // human on move, pause pondering by either method
14692 PauseEngine(&first);
14693 else if(appData.ponderNextMove)
14694 SendToProgram("easy\n", &first);
14697 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14707 EditCommentEvent ()
14709 char title[MSG_SIZ];
14711 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14712 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14714 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14715 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14716 parseList[currentMove - 1]);
14719 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14726 char *tags = PGNTags(&gameInfo);
14728 EditTagsPopUp(tags, NULL);
14735 if(second.analyzing) {
14736 SendToProgram("exit\n", &second);
14737 second.analyzing = FALSE;
14739 if (second.pr == NoProc) StartChessProgram(&second);
14740 InitChessProgram(&second, FALSE);
14741 FeedMovesToProgram(&second, currentMove);
14743 SendToProgram("analyze\n", &second);
14744 second.analyzing = TRUE;
14748 /* Toggle ShowThinking */
14750 ToggleShowThinking()
14752 appData.showThinking = !appData.showThinking;
14753 ShowThinkingEvent();
14757 AnalyzeModeEvent ()
14761 if (!first.analysisSupport) {
14762 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14763 DisplayError(buf, 0);
14766 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14767 if (appData.icsActive) {
14768 if (gameMode != IcsObserving) {
14769 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14770 DisplayError(buf, 0);
14772 if (appData.icsEngineAnalyze) {
14773 if (appData.debugMode)
14774 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14780 /* if enable, user wants to disable icsEngineAnalyze */
14781 if (appData.icsEngineAnalyze) {
14786 appData.icsEngineAnalyze = TRUE;
14787 if (appData.debugMode)
14788 fprintf(debugFP, "ICS engine analyze starting... \n");
14791 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14792 if (appData.noChessProgram || gameMode == AnalyzeMode)
14795 if (gameMode != AnalyzeFile) {
14796 if (!appData.icsEngineAnalyze) {
14798 if (gameMode != EditGame) return 0;
14800 if (!appData.showThinking) ToggleShowThinking();
14801 ResurrectChessProgram();
14802 SendToProgram("analyze\n", &first);
14803 first.analyzing = TRUE;
14804 /*first.maybeThinking = TRUE;*/
14805 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14806 EngineOutputPopUp();
14808 if (!appData.icsEngineAnalyze) {
14809 gameMode = AnalyzeMode;
14810 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14816 StartAnalysisClock();
14817 GetTimeMark(&lastNodeCountTime);
14823 AnalyzeFileEvent ()
14825 if (appData.noChessProgram || gameMode == AnalyzeFile)
14828 if (!first.analysisSupport) {
14830 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14831 DisplayError(buf, 0);
14835 if (gameMode != AnalyzeMode) {
14836 keepInfo = 1; // mere annotating should not alter PGN tags
14839 if (gameMode != EditGame) return;
14840 if (!appData.showThinking) ToggleShowThinking();
14841 ResurrectChessProgram();
14842 SendToProgram("analyze\n", &first);
14843 first.analyzing = TRUE;
14844 /*first.maybeThinking = TRUE;*/
14845 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14846 EngineOutputPopUp();
14848 gameMode = AnalyzeFile;
14852 StartAnalysisClock();
14853 GetTimeMark(&lastNodeCountTime);
14855 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14856 AnalysisPeriodicEvent(1);
14860 MachineWhiteEvent ()
14863 char *bookHit = NULL;
14865 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14869 if (gameMode == PlayFromGameFile ||
14870 gameMode == TwoMachinesPlay ||
14871 gameMode == Training ||
14872 gameMode == AnalyzeMode ||
14873 gameMode == EndOfGame)
14876 if (gameMode == EditPosition)
14877 EditPositionDone(TRUE);
14879 if (!WhiteOnMove(currentMove)) {
14880 DisplayError(_("It is not White's turn"), 0);
14884 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14887 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14888 gameMode == AnalyzeFile)
14891 ResurrectChessProgram(); /* in case it isn't running */
14892 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14893 gameMode = MachinePlaysWhite;
14896 gameMode = MachinePlaysWhite;
14900 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14902 if (first.sendName) {
14903 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14904 SendToProgram(buf, &first);
14906 if (first.sendTime) {
14907 if (first.useColors) {
14908 SendToProgram("black\n", &first); /*gnu kludge*/
14910 SendTimeRemaining(&first, TRUE);
14912 if (first.useColors) {
14913 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14915 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14916 SetMachineThinkingEnables();
14917 first.maybeThinking = TRUE;
14921 if (appData.autoFlipView && !flipView) {
14922 flipView = !flipView;
14923 DrawPosition(FALSE, NULL);
14924 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14927 if(bookHit) { // [HGM] book: simulate book reply
14928 static char bookMove[MSG_SIZ]; // a bit generous?
14930 programStats.nodes = programStats.depth = programStats.time =
14931 programStats.score = programStats.got_only_move = 0;
14932 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14934 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14935 strcat(bookMove, bookHit);
14936 savedMessage = bookMove; // args for deferred call
14937 savedState = &first;
14938 ScheduleDelayedEvent(DeferredBookMove, 1);
14943 MachineBlackEvent ()
14946 char *bookHit = NULL;
14948 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14952 if (gameMode == PlayFromGameFile ||
14953 gameMode == TwoMachinesPlay ||
14954 gameMode == Training ||
14955 gameMode == AnalyzeMode ||
14956 gameMode == EndOfGame)
14959 if (gameMode == EditPosition)
14960 EditPositionDone(TRUE);
14962 if (WhiteOnMove(currentMove)) {
14963 DisplayError(_("It is not Black's turn"), 0);
14967 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14970 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14971 gameMode == AnalyzeFile)
14974 ResurrectChessProgram(); /* in case it isn't running */
14975 gameMode = MachinePlaysBlack;
14979 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14981 if (first.sendName) {
14982 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14983 SendToProgram(buf, &first);
14985 if (first.sendTime) {
14986 if (first.useColors) {
14987 SendToProgram("white\n", &first); /*gnu kludge*/
14989 SendTimeRemaining(&first, FALSE);
14991 if (first.useColors) {
14992 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14994 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14995 SetMachineThinkingEnables();
14996 first.maybeThinking = TRUE;
14999 if (appData.autoFlipView && flipView) {
15000 flipView = !flipView;
15001 DrawPosition(FALSE, NULL);
15002 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
15004 if(bookHit) { // [HGM] book: simulate book reply
15005 static char bookMove[MSG_SIZ]; // a bit generous?
15007 programStats.nodes = programStats.depth = programStats.time =
15008 programStats.score = programStats.got_only_move = 0;
15009 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15011 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15012 strcat(bookMove, bookHit);
15013 savedMessage = bookMove; // args for deferred call
15014 savedState = &first;
15015 ScheduleDelayedEvent(DeferredBookMove, 1);
15021 DisplayTwoMachinesTitle ()
15024 if (appData.matchGames > 0) {
15025 if(appData.tourneyFile[0]) {
15026 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
15027 gameInfo.white, _("vs."), gameInfo.black,
15028 nextGame+1, appData.matchGames+1,
15029 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
15031 if (first.twoMachinesColor[0] == 'w') {
15032 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15033 gameInfo.white, _("vs."), gameInfo.black,
15034 first.matchWins, second.matchWins,
15035 matchGame - 1 - (first.matchWins + second.matchWins));
15037 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15038 gameInfo.white, _("vs."), gameInfo.black,
15039 second.matchWins, first.matchWins,
15040 matchGame - 1 - (first.matchWins + second.matchWins));
15043 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15049 SettingsMenuIfReady ()
15051 if (second.lastPing != second.lastPong) {
15052 DisplayMessage("", _("Waiting for second chess program"));
15053 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15057 DisplayMessage("", "");
15058 SettingsPopUp(&second);
15062 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15065 if (cps->pr == NoProc) {
15066 StartChessProgram(cps);
15067 if (cps->protocolVersion == 1) {
15069 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15071 /* kludge: allow timeout for initial "feature" command */
15072 if(retry != TwoMachinesEventIfReady) FreezeUI();
15073 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15074 DisplayMessage("", buf);
15075 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15083 TwoMachinesEvent P((void))
15085 int i, move = forwardMostMove;
15087 ChessProgramState *onmove;
15088 char *bookHit = NULL;
15089 static int stalling = 0;
15093 if (appData.noChessProgram) return;
15095 switch (gameMode) {
15096 case TwoMachinesPlay:
15098 case MachinePlaysWhite:
15099 case MachinePlaysBlack:
15100 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15101 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15105 case BeginningOfGame:
15106 case PlayFromGameFile:
15109 if (gameMode != EditGame) return;
15112 EditPositionDone(TRUE);
15123 // forwardMostMove = currentMove;
15124 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15125 startingEngine = TRUE;
15127 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15129 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15130 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15131 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15135 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15137 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15138 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15139 startingEngine = matchMode = FALSE;
15140 DisplayError("second engine does not play this", 0);
15141 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15142 EditGameEvent(); // switch back to EditGame mode
15147 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15148 SendToProgram("force\n", &second);
15150 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15154 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15155 if(appData.matchPause>10000 || appData.matchPause<10)
15156 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15157 wait = SubtractTimeMarks(&now, &pauseStart);
15158 if(wait < appData.matchPause) {
15159 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15162 // we are now committed to starting the game
15164 DisplayMessage("", "");
15166 if (startedFromSetupPosition) {
15167 SendBoard(&second, backwardMostMove);
15168 if (appData.debugMode) {
15169 fprintf(debugFP, "Two Machines\n");
15172 for (i = backwardMostMove; i < forwardMostMove; i++) {
15173 SendMoveToProgram(i, &second);
15177 gameMode = TwoMachinesPlay;
15178 pausing = startingEngine = FALSE;
15179 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15181 DisplayTwoMachinesTitle();
15183 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15188 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15189 SendToProgram(first.computerString, &first);
15190 if (first.sendName) {
15191 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15192 SendToProgram(buf, &first);
15195 SendToProgram(second.computerString, &second);
15196 if (second.sendName) {
15197 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15198 SendToProgram(buf, &second);
15202 if (!first.sendTime || !second.sendTime || move == 0) { // [HGM] first engine changed sides from Reset, so recalc time odds
15204 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15205 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15207 if (onmove->sendTime) {
15208 if (onmove->useColors) {
15209 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15211 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15213 if (onmove->useColors) {
15214 SendToProgram(onmove->twoMachinesColor, onmove);
15216 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15217 // SendToProgram("go\n", onmove);
15218 onmove->maybeThinking = TRUE;
15219 SetMachineThinkingEnables();
15223 if(bookHit) { // [HGM] book: simulate book reply
15224 static char bookMove[MSG_SIZ]; // a bit generous?
15226 programStats.nodes = programStats.depth = programStats.time =
15227 programStats.score = programStats.got_only_move = 0;
15228 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15230 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15231 strcat(bookMove, bookHit);
15232 savedMessage = bookMove; // args for deferred call
15233 savedState = onmove;
15234 ScheduleDelayedEvent(DeferredBookMove, 1);
15241 if (gameMode == Training) {
15242 SetTrainingModeOff();
15243 gameMode = PlayFromGameFile;
15244 DisplayMessage("", _("Training mode off"));
15246 gameMode = Training;
15247 animateTraining = appData.animate;
15249 /* make sure we are not already at the end of the game */
15250 if (currentMove < forwardMostMove) {
15251 SetTrainingModeOn();
15252 DisplayMessage("", _("Training mode on"));
15254 gameMode = PlayFromGameFile;
15255 DisplayError(_("Already at end of game"), 0);
15264 if (!appData.icsActive) return;
15265 switch (gameMode) {
15266 case IcsPlayingWhite:
15267 case IcsPlayingBlack:
15270 case BeginningOfGame:
15278 EditPositionDone(TRUE);
15291 gameMode = IcsIdle;
15301 switch (gameMode) {
15303 SetTrainingModeOff();
15305 case MachinePlaysWhite:
15306 case MachinePlaysBlack:
15307 case BeginningOfGame:
15308 SendToProgram("force\n", &first);
15309 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15310 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15312 abortEngineThink = TRUE;
15313 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15314 SendToProgram(buf, &first);
15315 DisplayMessage("Aborting engine think", "");
15319 SetUserThinkingEnables();
15321 case PlayFromGameFile:
15322 (void) StopLoadGameTimer();
15323 if (gameFileFP != NULL) {
15328 EditPositionDone(TRUE);
15333 SendToProgram("force\n", &first);
15335 case TwoMachinesPlay:
15336 GameEnds(EndOfFile, NULL, GE_PLAYER);
15337 ResurrectChessProgram();
15338 SetUserThinkingEnables();
15341 ResurrectChessProgram();
15343 case IcsPlayingBlack:
15344 case IcsPlayingWhite:
15345 DisplayError(_("Warning: You are still playing a game"), 0);
15348 DisplayError(_("Warning: You are still observing a game"), 0);
15351 DisplayError(_("Warning: You are still examining a game"), 0);
15362 first.offeredDraw = second.offeredDraw = 0;
15364 if (gameMode == PlayFromGameFile) {
15365 whiteTimeRemaining = timeRemaining[0][currentMove];
15366 blackTimeRemaining = timeRemaining[1][currentMove];
15370 if (gameMode == MachinePlaysWhite ||
15371 gameMode == MachinePlaysBlack ||
15372 gameMode == TwoMachinesPlay ||
15373 gameMode == EndOfGame) {
15374 i = forwardMostMove;
15375 while (i > currentMove) {
15376 SendToProgram("undo\n", &first);
15379 if(!adjustedClock) {
15380 whiteTimeRemaining = timeRemaining[0][currentMove];
15381 blackTimeRemaining = timeRemaining[1][currentMove];
15382 DisplayBothClocks();
15384 if (whiteFlag || blackFlag) {
15385 whiteFlag = blackFlag = 0;
15390 gameMode = EditGame;
15396 EditPositionEvent ()
15399 if (gameMode == EditPosition) {
15405 if (gameMode != EditGame) return;
15407 gameMode = EditPosition;
15410 CopyBoard(rightsBoard, nullBoard);
15411 if (currentMove > 0)
15412 CopyBoard(boards[0], boards[currentMove]);
15413 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15414 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15416 blackPlaysFirst = !WhiteOnMove(currentMove);
15418 currentMove = forwardMostMove = backwardMostMove = 0;
15419 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15421 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15427 /* [DM] icsEngineAnalyze - possible call from other functions */
15428 if (appData.icsEngineAnalyze) {
15429 appData.icsEngineAnalyze = FALSE;
15431 DisplayMessage("",_("Close ICS engine analyze..."));
15433 if (first.analysisSupport && first.analyzing) {
15434 SendToBoth("exit\n");
15435 first.analyzing = second.analyzing = FALSE;
15437 thinkOutput[0] = NULLCHAR;
15441 EditPositionDone (Boolean fakeRights)
15443 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15445 startedFromSetupPosition = TRUE;
15446 InitChessProgram(&first, FALSE);
15447 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15449 boards[0][EP_STATUS] = EP_NONE;
15450 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15451 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15452 if(rightsBoard[r][f]) {
15453 ChessSquare p = boards[0][r][f];
15454 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15455 else if(p == king) boards[0][CASTLING][2] = f;
15456 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15457 else rightsBoard[r][f] = 2; // mark for second pass
15460 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15461 if(rightsBoard[r][f] == 2) {
15462 ChessSquare p = boards[0][r][f];
15463 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15464 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15468 SendToProgram("force\n", &first);
15469 if (blackPlaysFirst) {
15470 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15471 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15472 currentMove = forwardMostMove = backwardMostMove = 1;
15473 CopyBoard(boards[1], boards[0]);
15475 currentMove = forwardMostMove = backwardMostMove = 0;
15477 SendBoard(&first, forwardMostMove);
15478 if (appData.debugMode) {
15479 fprintf(debugFP, "EditPosDone\n");
15482 DisplayMessage("", "");
15483 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15484 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15485 gameMode = EditGame;
15487 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15488 ClearHighlights(); /* [AS] */
15491 /* Pause for `ms' milliseconds */
15492 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15494 TimeDelay (long ms)
15501 } while (SubtractTimeMarks(&m2, &m1) < ms);
15504 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15506 SendMultiLineToICS (char *buf)
15508 char temp[MSG_SIZ+1], *p;
15515 strncpy(temp, buf, len);
15520 if (*p == '\n' || *p == '\r')
15525 strcat(temp, "\n");
15527 SendToPlayer(temp, strlen(temp));
15531 SetWhiteToPlayEvent ()
15533 if (gameMode == EditPosition) {
15534 blackPlaysFirst = FALSE;
15535 DisplayBothClocks(); /* works because currentMove is 0 */
15536 } else if (gameMode == IcsExamining) {
15537 SendToICS(ics_prefix);
15538 SendToICS("tomove white\n");
15543 SetBlackToPlayEvent ()
15545 if (gameMode == EditPosition) {
15546 blackPlaysFirst = TRUE;
15547 currentMove = 1; /* kludge */
15548 DisplayBothClocks();
15550 } else if (gameMode == IcsExamining) {
15551 SendToICS(ics_prefix);
15552 SendToICS("tomove black\n");
15557 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15560 ChessSquare piece = boards[0][y][x];
15561 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15562 static int lastVariant;
15563 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15565 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15567 switch (selection) {
15569 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15570 MarkTargetSquares(1);
15571 CopyBoard(currentBoard, boards[0]);
15572 CopyBoard(menuBoard, initialPosition);
15573 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15574 SendToICS(ics_prefix);
15575 SendToICS("bsetup clear\n");
15576 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15577 SendToICS(ics_prefix);
15578 SendToICS("clearboard\n");
15581 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15582 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15583 for (y = 0; y < BOARD_HEIGHT; y++) {
15584 if (gameMode == IcsExamining) {
15585 if (boards[currentMove][y][x] != EmptySquare) {
15586 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15590 } else if(boards[0][y][x] != DarkSquare) {
15591 if(boards[0][y][x] != p) nonEmpty++;
15592 boards[0][y][x] = p;
15596 CopyBoard(rightsBoard, nullBoard);
15597 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15599 for(r = 0; r < BOARD_HEIGHT; r++) {
15600 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15601 ChessSquare p = menuBoard[r][x];
15602 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15605 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15606 DisplayMessage("Clicking clock again restores position", "");
15607 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15608 if(!nonEmpty) { // asked to clear an empty board
15609 CopyBoard(boards[0], menuBoard);
15611 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15612 CopyBoard(boards[0], initialPosition);
15614 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15615 && !CompareBoards(nullBoard, erasedBoard)) {
15616 CopyBoard(boards[0], erasedBoard);
15618 CopyBoard(erasedBoard, currentBoard);
15620 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15621 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15624 if (gameMode == EditPosition) {
15625 DrawPosition(FALSE, boards[0]);
15630 SetWhiteToPlayEvent();
15634 SetBlackToPlayEvent();
15638 if (gameMode == IcsExamining) {
15639 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15640 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15643 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15644 if(x == BOARD_LEFT-2) {
15645 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15646 boards[0][y][1] = 0;
15648 if(x == BOARD_RGHT+1) {
15649 if(y >= gameInfo.holdingsSize) break;
15650 boards[0][y][BOARD_WIDTH-2] = 0;
15653 boards[0][y][x] = EmptySquare;
15654 DrawPosition(FALSE, boards[0]);
15659 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15660 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15661 selection = (ChessSquare) (PROMOTED(piece));
15662 } else if(piece == EmptySquare) selection = WhiteSilver;
15663 else selection = (ChessSquare)((int)piece - 1);
15667 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15668 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15669 selection = (ChessSquare) (DEMOTED(piece));
15670 } else if(piece == EmptySquare) selection = BlackSilver;
15671 else selection = (ChessSquare)((int)piece + 1);
15676 if(gameInfo.variant == VariantShatranj ||
15677 gameInfo.variant == VariantXiangqi ||
15678 gameInfo.variant == VariantCourier ||
15679 gameInfo.variant == VariantASEAN ||
15680 gameInfo.variant == VariantMakruk )
15681 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15687 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15688 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15694 if(gameInfo.variant == VariantXiangqi)
15695 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15696 if(gameInfo.variant == VariantKnightmate)
15697 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15698 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15701 if (gameMode == IcsExamining) {
15702 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15703 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15704 PieceToChar(selection), AAA + x, ONE + y);
15707 rightsBoard[y][x] = hasRights;
15708 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15710 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15711 n = PieceToNumber(selection - BlackPawn);
15712 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15713 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15714 boards[0][BOARD_HEIGHT-1-n][1]++;
15716 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15717 n = PieceToNumber(selection);
15718 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15719 boards[0][n][BOARD_WIDTH-1] = selection;
15720 boards[0][n][BOARD_WIDTH-2]++;
15723 boards[0][y][x] = selection;
15724 DrawPosition(TRUE, boards[0]);
15726 fromX = fromY = -1;
15734 DropMenuEvent (ChessSquare selection, int x, int y)
15736 ChessMove moveType;
15738 switch (gameMode) {
15739 case IcsPlayingWhite:
15740 case MachinePlaysBlack:
15741 if (!WhiteOnMove(currentMove)) {
15742 DisplayMoveError(_("It is Black's turn"));
15745 moveType = WhiteDrop;
15747 case IcsPlayingBlack:
15748 case MachinePlaysWhite:
15749 if (WhiteOnMove(currentMove)) {
15750 DisplayMoveError(_("It is White's turn"));
15753 moveType = BlackDrop;
15756 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15762 if (moveType == BlackDrop && selection < BlackPawn) {
15763 selection = (ChessSquare) ((int) selection
15764 + (int) BlackPawn - (int) WhitePawn);
15766 if (boards[currentMove][y][x] != EmptySquare) {
15767 DisplayMoveError(_("That square is occupied"));
15771 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15777 /* Accept a pending offer of any kind from opponent */
15779 if (appData.icsActive) {
15780 SendToICS(ics_prefix);
15781 SendToICS("accept\n");
15782 } else if (cmailMsgLoaded) {
15783 if (currentMove == cmailOldMove &&
15784 commentList[cmailOldMove] != NULL &&
15785 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15786 "Black offers a draw" : "White offers a draw")) {
15788 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15789 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15791 DisplayError(_("There is no pending offer on this move"), 0);
15792 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15795 /* Not used for offers from chess program */
15802 /* Decline a pending offer of any kind from opponent */
15804 if (appData.icsActive) {
15805 SendToICS(ics_prefix);
15806 SendToICS("decline\n");
15807 } else if (cmailMsgLoaded) {
15808 if (currentMove == cmailOldMove &&
15809 commentList[cmailOldMove] != NULL &&
15810 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15811 "Black offers a draw" : "White offers a draw")) {
15813 AppendComment(cmailOldMove, "Draw declined", TRUE);
15814 DisplayComment(cmailOldMove - 1, "Draw declined");
15817 DisplayError(_("There is no pending offer on this move"), 0);
15820 /* Not used for offers from chess program */
15827 /* Issue ICS rematch command */
15828 if (appData.icsActive) {
15829 SendToICS(ics_prefix);
15830 SendToICS("rematch\n");
15837 /* Call your opponent's flag (claim a win on time) */
15838 if (appData.icsActive) {
15839 SendToICS(ics_prefix);
15840 SendToICS("flag\n");
15842 switch (gameMode) {
15845 case MachinePlaysWhite:
15848 GameEnds(GameIsDrawn, "Both players ran out of time",
15851 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15853 DisplayError(_("Your opponent is not out of time"), 0);
15856 case MachinePlaysBlack:
15859 GameEnds(GameIsDrawn, "Both players ran out of time",
15862 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15864 DisplayError(_("Your opponent is not out of time"), 0);
15872 ClockClick (int which)
15873 { // [HGM] code moved to back-end from winboard.c
15874 if(which) { // black clock
15875 if (gameMode == EditPosition || gameMode == IcsExamining) {
15876 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15877 SetBlackToPlayEvent();
15878 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15879 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15880 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15881 } else if (shiftKey) {
15882 AdjustClock(which, -1);
15883 } else if (gameMode == IcsPlayingWhite ||
15884 gameMode == MachinePlaysBlack) {
15887 } else { // white clock
15888 if (gameMode == EditPosition || gameMode == IcsExamining) {
15889 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15890 SetWhiteToPlayEvent();
15891 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15892 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15893 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15894 } else if (shiftKey) {
15895 AdjustClock(which, -1);
15896 } else if (gameMode == IcsPlayingBlack ||
15897 gameMode == MachinePlaysWhite) {
15906 /* Offer draw or accept pending draw offer from opponent */
15908 if (appData.icsActive) {
15909 /* Note: tournament rules require draw offers to be
15910 made after you make your move but before you punch
15911 your clock. Currently ICS doesn't let you do that;
15912 instead, you immediately punch your clock after making
15913 a move, but you can offer a draw at any time. */
15915 SendToICS(ics_prefix);
15916 SendToICS("draw\n");
15917 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15918 } else if (cmailMsgLoaded) {
15919 if (currentMove == cmailOldMove &&
15920 commentList[cmailOldMove] != NULL &&
15921 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15922 "Black offers a draw" : "White offers a draw")) {
15923 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15924 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15925 } else if (currentMove == cmailOldMove + 1) {
15926 char *offer = WhiteOnMove(cmailOldMove) ?
15927 "White offers a draw" : "Black offers a draw";
15928 AppendComment(currentMove, offer, TRUE);
15929 DisplayComment(currentMove - 1, offer);
15930 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15932 DisplayError(_("You must make your move before offering a draw"), 0);
15933 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15935 } else if (first.offeredDraw) {
15936 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15938 if (first.sendDrawOffers) {
15939 SendToProgram("draw\n", &first);
15940 userOfferedDraw = TRUE;
15948 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15950 if (appData.icsActive) {
15951 SendToICS(ics_prefix);
15952 SendToICS("adjourn\n");
15954 /* Currently GNU Chess doesn't offer or accept Adjourns */
15962 /* Offer Abort or accept pending Abort offer from opponent */
15964 if (appData.icsActive) {
15965 SendToICS(ics_prefix);
15966 SendToICS("abort\n");
15968 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15975 /* Resign. You can do this even if it's not your turn. */
15977 if (appData.icsActive) {
15978 SendToICS(ics_prefix);
15979 SendToICS("resign\n");
15981 switch (gameMode) {
15982 case MachinePlaysWhite:
15983 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15985 case MachinePlaysBlack:
15986 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15989 if (cmailMsgLoaded) {
15991 if (WhiteOnMove(cmailOldMove)) {
15992 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15994 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15996 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
16007 StopObservingEvent ()
16009 /* Stop observing current games */
16010 SendToICS(ics_prefix);
16011 SendToICS("unobserve\n");
16015 StopExaminingEvent ()
16017 /* Stop observing current game */
16018 SendToICS(ics_prefix);
16019 SendToICS("unexamine\n");
16023 ForwardInner (int target)
16025 int limit; int oldSeekGraphUp = seekGraphUp;
16027 if (appData.debugMode)
16028 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
16029 target, currentMove, forwardMostMove);
16031 if (gameMode == EditPosition)
16034 seekGraphUp = FALSE;
16035 MarkTargetSquares(1);
16036 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16038 if (gameMode == PlayFromGameFile && !pausing)
16041 if (gameMode == IcsExamining && pausing)
16042 limit = pauseExamForwardMostMove;
16044 limit = forwardMostMove;
16046 if (target > limit) target = limit;
16048 if (target > 0 && moveList[target - 1][0]) {
16049 int fromX, fromY, toX, toY;
16050 toX = moveList[target - 1][2] - AAA;
16051 toY = moveList[target - 1][3] - ONE;
16052 if (moveList[target - 1][1] == '@') {
16053 if (appData.highlightLastMove) {
16054 SetHighlights(-1, -1, toX, toY);
16057 fromX = moveList[target - 1][0] - AAA;
16058 fromY = moveList[target - 1][1] - ONE;
16059 if (target == currentMove + 1) {
16060 if(moveList[target - 1][4] == ';') { // multi-leg
16061 killX = moveList[target - 1][5] - AAA;
16062 killY = moveList[target - 1][6] - ONE;
16064 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16065 killX = killY = -1;
16067 if (appData.highlightLastMove) {
16068 SetHighlights(fromX, fromY, toX, toY);
16072 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16073 gameMode == Training || gameMode == PlayFromGameFile ||
16074 gameMode == AnalyzeFile) {
16075 while (currentMove < target) {
16076 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16077 SendMoveToProgram(currentMove++, &first);
16080 currentMove = target;
16083 if (gameMode == EditGame || gameMode == EndOfGame) {
16084 whiteTimeRemaining = timeRemaining[0][currentMove];
16085 blackTimeRemaining = timeRemaining[1][currentMove];
16087 DisplayBothClocks();
16088 DisplayMove(currentMove - 1);
16089 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16090 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16091 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16092 DisplayComment(currentMove - 1, commentList[currentMove]);
16094 ClearMap(); // [HGM] exclude: invalidate map
16101 if (gameMode == IcsExamining && !pausing) {
16102 SendToICS(ics_prefix);
16103 SendToICS("forward\n");
16105 ForwardInner(currentMove + 1);
16112 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16113 /* to optimze, we temporarily turn off analysis mode while we feed
16114 * the remaining moves to the engine. Otherwise we get analysis output
16117 if (first.analysisSupport) {
16118 SendToProgram("exit\nforce\n", &first);
16119 first.analyzing = FALSE;
16123 if (gameMode == IcsExamining && !pausing) {
16124 SendToICS(ics_prefix);
16125 SendToICS("forward 999999\n");
16127 ForwardInner(forwardMostMove);
16130 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16131 /* we have fed all the moves, so reactivate analysis mode */
16132 SendToProgram("analyze\n", &first);
16133 first.analyzing = TRUE;
16134 /*first.maybeThinking = TRUE;*/
16135 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16140 BackwardInner (int target)
16142 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16144 if (appData.debugMode)
16145 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16146 target, currentMove, forwardMostMove);
16148 if (gameMode == EditPosition) return;
16149 seekGraphUp = FALSE;
16150 MarkTargetSquares(1);
16151 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16152 if (currentMove <= backwardMostMove) {
16154 DrawPosition(full_redraw, boards[currentMove]);
16157 if (gameMode == PlayFromGameFile && !pausing)
16160 if (moveList[target][0]) {
16161 int fromX, fromY, toX, toY;
16162 toX = moveList[target][2] - AAA;
16163 toY = moveList[target][3] - ONE;
16164 if (moveList[target][1] == '@') {
16165 if (appData.highlightLastMove) {
16166 SetHighlights(-1, -1, toX, toY);
16169 fromX = moveList[target][0] - AAA;
16170 fromY = moveList[target][1] - ONE;
16171 if (target == currentMove - 1) {
16172 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16174 if (appData.highlightLastMove) {
16175 SetHighlights(fromX, fromY, toX, toY);
16179 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16180 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16181 while (currentMove > target) {
16182 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16183 // null move cannot be undone. Reload program with move history before it.
16185 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16186 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16188 SendBoard(&first, i);
16189 if(second.analyzing) SendBoard(&second, i);
16190 for(currentMove=i; currentMove<target; currentMove++) {
16191 SendMoveToProgram(currentMove, &first);
16192 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16196 SendToBoth("undo\n");
16200 currentMove = target;
16203 if (gameMode == EditGame || gameMode == EndOfGame) {
16204 whiteTimeRemaining = timeRemaining[0][currentMove];
16205 blackTimeRemaining = timeRemaining[1][currentMove];
16207 DisplayBothClocks();
16208 DisplayMove(currentMove - 1);
16209 DrawPosition(full_redraw, boards[currentMove]);
16210 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16211 // [HGM] PV info: routine tests if comment empty
16212 DisplayComment(currentMove - 1, commentList[currentMove]);
16213 ClearMap(); // [HGM] exclude: invalidate map
16219 if (gameMode == IcsExamining && !pausing) {
16220 SendToICS(ics_prefix);
16221 SendToICS("backward\n");
16223 BackwardInner(currentMove - 1);
16230 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16231 /* to optimize, we temporarily turn off analysis mode while we undo
16232 * all the moves. Otherwise we get analysis output after each undo.
16234 if (first.analysisSupport) {
16235 SendToProgram("exit\nforce\n", &first);
16236 first.analyzing = FALSE;
16240 if (gameMode == IcsExamining && !pausing) {
16241 SendToICS(ics_prefix);
16242 SendToICS("backward 999999\n");
16244 BackwardInner(backwardMostMove);
16247 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16248 /* we have fed all the moves, so reactivate analysis mode */
16249 SendToProgram("analyze\n", &first);
16250 first.analyzing = TRUE;
16251 /*first.maybeThinking = TRUE;*/
16252 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16259 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16260 if (to >= forwardMostMove) to = forwardMostMove;
16261 if (to <= backwardMostMove) to = backwardMostMove;
16262 if (to < currentMove) {
16270 RevertEvent (Boolean annotate)
16272 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16275 if (gameMode != IcsExamining) {
16276 DisplayError(_("You are not examining a game"), 0);
16280 DisplayError(_("You can't revert while pausing"), 0);
16283 SendToICS(ics_prefix);
16284 SendToICS("revert\n");
16288 RetractMoveEvent ()
16290 switch (gameMode) {
16291 case MachinePlaysWhite:
16292 case MachinePlaysBlack:
16293 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16294 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16297 if (forwardMostMove < 2) return;
16298 currentMove = forwardMostMove = forwardMostMove - 2;
16299 whiteTimeRemaining = timeRemaining[0][currentMove];
16300 blackTimeRemaining = timeRemaining[1][currentMove];
16301 DisplayBothClocks();
16302 DisplayMove(currentMove - 1);
16303 ClearHighlights();/*!! could figure this out*/
16304 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16305 SendToProgram("remove\n", &first);
16306 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16309 case BeginningOfGame:
16313 case IcsPlayingWhite:
16314 case IcsPlayingBlack:
16315 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16316 SendToICS(ics_prefix);
16317 SendToICS("takeback 2\n");
16319 SendToICS(ics_prefix);
16320 SendToICS("takeback 1\n");
16329 ChessProgramState *cps;
16331 switch (gameMode) {
16332 case MachinePlaysWhite:
16333 if (!WhiteOnMove(forwardMostMove)) {
16334 DisplayError(_("It is your turn"), 0);
16339 case MachinePlaysBlack:
16340 if (WhiteOnMove(forwardMostMove)) {
16341 DisplayError(_("It is your turn"), 0);
16346 case TwoMachinesPlay:
16347 if (WhiteOnMove(forwardMostMove) ==
16348 (first.twoMachinesColor[0] == 'w')) {
16354 case BeginningOfGame:
16358 SendToProgram("?\n", cps);
16362 TruncateGameEvent ()
16365 if (gameMode != EditGame) return;
16372 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16373 if (forwardMostMove > currentMove) {
16374 if (gameInfo.resultDetails != NULL) {
16375 free(gameInfo.resultDetails);
16376 gameInfo.resultDetails = NULL;
16377 gameInfo.result = GameUnfinished;
16379 forwardMostMove = currentMove;
16380 HistorySet(parseList, backwardMostMove, forwardMostMove,
16388 if (appData.noChessProgram) return;
16389 switch (gameMode) {
16390 case MachinePlaysWhite:
16391 if (WhiteOnMove(forwardMostMove)) {
16392 DisplayError(_("Wait until your turn."), 0);
16396 case BeginningOfGame:
16397 case MachinePlaysBlack:
16398 if (!WhiteOnMove(forwardMostMove)) {
16399 DisplayError(_("Wait until your turn."), 0);
16404 DisplayError(_("No hint available"), 0);
16407 SendToProgram("hint\n", &first);
16408 hintRequested = TRUE;
16412 SaveSelected (FILE *g, int dummy, char *dummy2)
16414 ListGame * lg = (ListGame *) gameList.head;
16418 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16419 DisplayError(_("Game list not loaded or empty"), 0);
16423 creatingBook = TRUE; // suppresses stuff during load game
16425 /* Get list size */
16426 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16427 if(lg->position >= 0) { // selected?
16428 LoadGame(f, nItem, "", TRUE);
16429 SaveGamePGN2(g); // leaves g open
16432 lg = (ListGame *) lg->node.succ;
16436 creatingBook = FALSE;
16444 ListGame * lg = (ListGame *) gameList.head;
16447 static int secondTime = FALSE;
16449 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16450 DisplayError(_("Game list not loaded or empty"), 0);
16454 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16457 DisplayNote(_("Book file exists! Try again for overwrite."));
16461 creatingBook = TRUE;
16462 secondTime = FALSE;
16464 /* Get list size */
16465 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16466 if(lg->position >= 0) {
16467 LoadGame(f, nItem, "", TRUE);
16468 AddGameToBook(TRUE);
16471 lg = (ListGame *) lg->node.succ;
16474 creatingBook = FALSE;
16481 if (appData.noChessProgram) return;
16482 switch (gameMode) {
16483 case MachinePlaysWhite:
16484 if (WhiteOnMove(forwardMostMove)) {
16485 DisplayError(_("Wait until your turn."), 0);
16489 case BeginningOfGame:
16490 case MachinePlaysBlack:
16491 if (!WhiteOnMove(forwardMostMove)) {
16492 DisplayError(_("Wait until your turn."), 0);
16497 EditPositionDone(TRUE);
16499 case TwoMachinesPlay:
16504 SendToProgram("bk\n", &first);
16505 bookOutput[0] = NULLCHAR;
16506 bookRequested = TRUE;
16512 char *tags = PGNTags(&gameInfo);
16513 TagsPopUp(tags, CmailMsg());
16517 /* end button procedures */
16520 PrintPosition (FILE *fp, int move)
16524 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16525 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16526 char c = PieceToChar(boards[move][i][j]);
16527 fputc(c == '?' ? '.' : c, fp);
16528 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16531 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16532 fprintf(fp, "white to play\n");
16534 fprintf(fp, "black to play\n");
16538 PrintOpponents (FILE *fp)
16540 if (gameInfo.white != NULL) {
16541 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16547 /* Find last component of program's own name, using some heuristics */
16549 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16552 int local = (strcmp(host, "localhost") == 0);
16553 while (!local && (p = strchr(prog, ';')) != NULL) {
16555 while (*p == ' ') p++;
16558 if (*prog == '"' || *prog == '\'') {
16559 q = strchr(prog + 1, *prog);
16561 q = strchr(prog, ' ');
16563 if (q == NULL) q = prog + strlen(prog);
16565 while (p >= prog && *p != '/' && *p != '\\') p--;
16567 if(p == prog && *p == '"') p++;
16569 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16570 memcpy(buf, p, q - p);
16571 buf[q - p] = NULLCHAR;
16579 TimeControlTagValue ()
16582 if (!appData.clockMode) {
16583 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16584 } else if (movesPerSession > 0) {
16585 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16586 } else if (timeIncrement == 0) {
16587 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16589 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16591 return StrSave(buf);
16597 /* This routine is used only for certain modes */
16598 VariantClass v = gameInfo.variant;
16599 ChessMove r = GameUnfinished;
16602 if(keepInfo) return;
16604 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16605 r = gameInfo.result;
16606 p = gameInfo.resultDetails;
16607 gameInfo.resultDetails = NULL;
16609 ClearGameInfo(&gameInfo);
16610 gameInfo.variant = v;
16612 switch (gameMode) {
16613 case MachinePlaysWhite:
16614 gameInfo.event = StrSave( appData.pgnEventHeader );
16615 gameInfo.site = StrSave(HostName());
16616 gameInfo.date = PGNDate();
16617 gameInfo.round = StrSave("-");
16618 gameInfo.white = StrSave(first.tidy);
16619 gameInfo.black = StrSave(UserName());
16620 gameInfo.timeControl = TimeControlTagValue();
16623 case MachinePlaysBlack:
16624 gameInfo.event = StrSave( appData.pgnEventHeader );
16625 gameInfo.site = StrSave(HostName());
16626 gameInfo.date = PGNDate();
16627 gameInfo.round = StrSave("-");
16628 gameInfo.white = StrSave(UserName());
16629 gameInfo.black = StrSave(first.tidy);
16630 gameInfo.timeControl = TimeControlTagValue();
16633 case TwoMachinesPlay:
16634 gameInfo.event = StrSave( appData.pgnEventHeader );
16635 gameInfo.site = StrSave(HostName());
16636 gameInfo.date = PGNDate();
16639 snprintf(buf, MSG_SIZ, "%d", roundNr);
16640 gameInfo.round = StrSave(buf);
16642 gameInfo.round = StrSave("-");
16644 if (first.twoMachinesColor[0] == 'w') {
16645 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16646 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16648 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16649 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16651 gameInfo.timeControl = TimeControlTagValue();
16655 gameInfo.event = StrSave("Edited game");
16656 gameInfo.site = StrSave(HostName());
16657 gameInfo.date = PGNDate();
16658 gameInfo.round = StrSave("-");
16659 gameInfo.white = StrSave("-");
16660 gameInfo.black = StrSave("-");
16661 gameInfo.result = r;
16662 gameInfo.resultDetails = p;
16666 gameInfo.event = StrSave("Edited position");
16667 gameInfo.site = StrSave(HostName());
16668 gameInfo.date = PGNDate();
16669 gameInfo.round = StrSave("-");
16670 gameInfo.white = StrSave("-");
16671 gameInfo.black = StrSave("-");
16674 case IcsPlayingWhite:
16675 case IcsPlayingBlack:
16680 case PlayFromGameFile:
16681 gameInfo.event = StrSave("Game from non-PGN file");
16682 gameInfo.site = StrSave(HostName());
16683 gameInfo.date = PGNDate();
16684 gameInfo.round = StrSave("-");
16685 gameInfo.white = StrSave("?");
16686 gameInfo.black = StrSave("?");
16695 ReplaceComment (int index, char *text)
16701 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16702 pvInfoList[index-1].depth == len &&
16703 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16704 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16705 while (*text == '\n') text++;
16706 len = strlen(text);
16707 while (len > 0 && text[len - 1] == '\n') len--;
16709 if (commentList[index] != NULL)
16710 free(commentList[index]);
16713 commentList[index] = NULL;
16716 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16717 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16718 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16719 commentList[index] = (char *) malloc(len + 2);
16720 strncpy(commentList[index], text, len);
16721 commentList[index][len] = '\n';
16722 commentList[index][len + 1] = NULLCHAR;
16724 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16726 commentList[index] = (char *) malloc(len + 7);
16727 safeStrCpy(commentList[index], "{\n", 3);
16728 safeStrCpy(commentList[index]+2, text, len+1);
16729 commentList[index][len+2] = NULLCHAR;
16730 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16731 strcat(commentList[index], "\n}\n");
16736 CrushCRs (char *text)
16744 if (ch == '\r') continue;
16746 } while (ch != '\0');
16750 AppendComment (int index, char *text, Boolean addBraces)
16751 /* addBraces tells if we should add {} */
16756 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16757 if(addBraces == 3) addBraces = 0; else // force appending literally
16758 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16761 while (*text == '\n') text++;
16762 len = strlen(text);
16763 while (len > 0 && text[len - 1] == '\n') len--;
16764 text[len] = NULLCHAR;
16766 if (len == 0) return;
16768 if (commentList[index] != NULL) {
16769 Boolean addClosingBrace = addBraces;
16770 old = commentList[index];
16771 oldlen = strlen(old);
16772 while(commentList[index][oldlen-1] == '\n')
16773 commentList[index][--oldlen] = NULLCHAR;
16774 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16775 safeStrCpy(commentList[index], old, oldlen + len + 6);
16777 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16778 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16779 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16780 while (*text == '\n') { text++; len--; }
16781 commentList[index][--oldlen] = NULLCHAR;
16783 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16784 else strcat(commentList[index], "\n");
16785 strcat(commentList[index], text);
16786 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16787 else strcat(commentList[index], "\n");
16789 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16791 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16792 else commentList[index][0] = NULLCHAR;
16793 strcat(commentList[index], text);
16794 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16795 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16800 FindStr (char * text, char * sub_text)
16802 char * result = strstr( text, sub_text );
16804 if( result != NULL ) {
16805 result += strlen( sub_text );
16811 /* [AS] Try to extract PV info from PGN comment */
16812 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16814 GetInfoFromComment (int index, char * text)
16816 char * sep = text, *p;
16818 if( text != NULL && index > 0 ) {
16821 int time = -1, sec = 0, deci;
16822 char * s_eval = FindStr( text, "[%eval " );
16823 char * s_emt = FindStr( text, "[%emt " );
16825 if( s_eval != NULL || s_emt != NULL ) {
16827 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16832 if( s_eval != NULL ) {
16833 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16837 if( delim != ']' ) {
16842 if( s_emt != NULL ) {
16847 /* We expect something like: [+|-]nnn.nn/dd */
16850 if(*text != '{') return text; // [HGM] braces: must be normal comment
16852 sep = strchr( text, '/' );
16853 if( sep == NULL || sep < (text+4) ) {
16858 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16859 if(p[1] == '(') { // comment starts with PV
16860 p = strchr(p, ')'); // locate end of PV
16861 if(p == NULL || sep < p+5) return text;
16862 // at this point we have something like "{(.*) +0.23/6 ..."
16863 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16864 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16865 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16867 time = -1; sec = -1; deci = -1;
16868 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16869 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16870 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16871 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16875 if( score_lo < 0 || score_lo >= 100 ) {
16879 if(sec >= 0) time = 600*time + 10*sec; else
16880 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16882 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16884 /* [HGM] PV time: now locate end of PV info */
16885 while( *++sep >= '0' && *sep <= '9'); // strip depth
16887 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16889 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16891 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16892 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16903 pvInfoList[index-1].depth = depth;
16904 pvInfoList[index-1].score = score;
16905 pvInfoList[index-1].time = 10*time; // centi-sec
16906 if(*sep == '}') *sep = 0; else *--sep = '{';
16908 while(*p++ = *sep++)
16911 } // squeeze out space between PV and comment, and return both
16917 SendToProgram (char *message, ChessProgramState *cps)
16919 int count, outCount, error;
16922 if (cps->pr == NoProc) return;
16925 if (appData.debugMode) {
16928 fprintf(debugFP, "%ld >%-6s: %s",
16929 SubtractTimeMarks(&now, &programStartTime),
16930 cps->which, message);
16932 fprintf(serverFP, "%ld >%-6s: %s",
16933 SubtractTimeMarks(&now, &programStartTime),
16934 cps->which, message), fflush(serverFP);
16937 count = strlen(message);
16938 outCount = OutputToProcess(cps->pr, message, count, &error);
16939 if (outCount < count && !exiting
16940 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16941 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16942 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16943 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16944 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16945 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16946 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16947 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16949 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16950 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16951 gameInfo.result = res;
16953 gameInfo.resultDetails = StrSave(buf);
16955 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16956 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16961 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16965 ChessProgramState *cps = (ChessProgramState *)closure;
16967 if (isr != cps->isr) return; /* Killed intentionally */
16970 RemoveInputSource(cps->isr);
16971 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16972 _(cps->which), cps->program);
16973 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16974 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16975 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16976 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16977 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16978 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16980 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16981 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16982 gameInfo.result = res;
16984 gameInfo.resultDetails = StrSave(buf);
16986 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16987 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16989 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16990 _(cps->which), cps->program);
16991 RemoveInputSource(cps->isr);
16993 /* [AS] Program is misbehaving badly... kill it */
16994 if( count == -2 ) {
16995 DestroyChildProcess( cps->pr, 9 );
16999 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17004 if ((end_str = strchr(message, '\r')) != NULL)
17005 *end_str = NULLCHAR;
17006 if ((end_str = strchr(message, '\n')) != NULL)
17007 *end_str = NULLCHAR;
17009 if (appData.debugMode) {
17010 TimeMark now; int print = 1;
17011 char *quote = ""; char c; int i;
17013 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
17014 char start = message[0];
17015 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
17016 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
17017 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
17018 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
17019 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
17020 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
17021 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
17022 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
17023 sscanf(message, "hint: %c", &c)!=1 &&
17024 sscanf(message, "pong %c", &c)!=1 && start != '#') {
17025 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
17026 print = (appData.engineComments >= 2);
17028 message[0] = start; // restore original message
17032 fprintf(debugFP, "%ld <%-6s: %s%s\n",
17033 SubtractTimeMarks(&now, &programStartTime), cps->which,
17037 fprintf(serverFP, "%ld <%-6s: %s%s\n",
17038 SubtractTimeMarks(&now, &programStartTime), cps->which,
17040 message), fflush(serverFP);
17044 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
17045 if (appData.icsEngineAnalyze) {
17046 if (strstr(message, "whisper") != NULL ||
17047 strstr(message, "kibitz") != NULL ||
17048 strstr(message, "tellics") != NULL) return;
17051 HandleMachineMove(message, cps);
17056 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17061 if( timeControl_2 > 0 ) {
17062 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17063 tc = timeControl_2;
17066 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17067 inc /= cps->timeOdds;
17068 st /= cps->timeOdds;
17070 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17073 /* Set exact time per move, normally using st command */
17074 if (cps->stKludge) {
17075 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17077 if (seconds == 0) {
17078 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17080 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17083 snprintf(buf, MSG_SIZ, "st %d\n", st);
17086 /* Set conventional or incremental time control, using level command */
17087 if (seconds == 0) {
17088 /* Note old gnuchess bug -- minutes:seconds used to not work.
17089 Fixed in later versions, but still avoid :seconds
17090 when seconds is 0. */
17091 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17093 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17094 seconds, inc/1000.);
17097 SendToProgram(buf, cps);
17099 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17100 /* Orthogonally, limit search to given depth */
17102 if (cps->sdKludge) {
17103 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17105 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17107 SendToProgram(buf, cps);
17110 if(cps->nps >= 0) { /* [HGM] nps */
17111 if(cps->supportsNPS == FALSE)
17112 cps->nps = -1; // don't use if engine explicitly says not supported!
17114 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17115 SendToProgram(buf, cps);
17120 ChessProgramState *
17122 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17124 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17125 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17131 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17133 char message[MSG_SIZ];
17136 /* Note: this routine must be called when the clocks are stopped
17137 or when they have *just* been set or switched; otherwise
17138 it will be off by the time since the current tick started.
17140 if (machineWhite) {
17141 time = whiteTimeRemaining / 10;
17142 otime = blackTimeRemaining / 10;
17144 time = blackTimeRemaining / 10;
17145 otime = whiteTimeRemaining / 10;
17147 /* [HGM] translate opponent's time by time-odds factor */
17148 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17150 if (time <= 0) time = 1;
17151 if (otime <= 0) otime = 1;
17153 snprintf(message, MSG_SIZ, "time %ld\n", time);
17154 SendToProgram(message, cps);
17156 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17157 SendToProgram(message, cps);
17161 EngineDefinedVariant (ChessProgramState *cps, int n)
17162 { // return name of n-th unknown variant that engine supports
17163 static char buf[MSG_SIZ];
17164 char *p, *s = cps->variants;
17165 if(!s) return NULL;
17166 do { // parse string from variants feature
17168 p = strchr(s, ',');
17169 if(p) *p = NULLCHAR;
17170 v = StringToVariant(s);
17171 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17172 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17173 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17174 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17175 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17176 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17177 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17180 if(n < 0) return buf;
17186 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17189 int len = strlen(name);
17192 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17194 sscanf(*p, "%d", &val);
17196 while (**p && **p != ' ')
17198 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17199 SendToProgram(buf, cps);
17206 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17209 int len = strlen(name);
17210 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17212 sscanf(*p, "%d", loc);
17213 while (**p && **p != ' ') (*p)++;
17214 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17215 SendToProgram(buf, cps);
17222 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17225 int len = strlen(name);
17226 if (strncmp((*p), name, len) == 0
17227 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17229 len = strlen(*p) + 1; if(len < MSG_SIZ && !strcmp(name, "option")) len = MSG_SIZ; // make sure string options have enough space to change their value
17230 FREE(*loc); *loc = malloc(len);
17231 strncpy(*loc, *p, len);
17232 sscanf(*p, "%[^\"]", *loc); // should always fit, because we allocated at least strlen(*p)
17233 while (**p && **p != '\"') (*p)++;
17234 if (**p == '\"') (*p)++;
17235 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17236 SendToProgram(buf, cps);
17243 ParseOption (Option *opt, ChessProgramState *cps)
17244 // [HGM] options: process the string that defines an engine option, and determine
17245 // name, type, default value, and allowed value range
17247 char *p, *q, buf[MSG_SIZ];
17248 int n, min = (-1)<<31, max = 1<<31, def;
17250 opt->target = &opt->value; // OK for spin/slider and checkbox
17251 if(p = strstr(opt->name, " -spin ")) {
17252 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17253 if(max < min) max = min; // enforce consistency
17254 if(def < min) def = min;
17255 if(def > max) def = max;
17260 } else if((p = strstr(opt->name, " -slider "))) {
17261 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17262 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17263 if(max < min) max = min; // enforce consistency
17264 if(def < min) def = min;
17265 if(def > max) def = max;
17269 opt->type = Spin; // Slider;
17270 } else if((p = strstr(opt->name, " -string "))) {
17271 opt->textValue = p+9;
17272 opt->type = TextBox;
17273 opt->target = &opt->textValue;
17274 } else if((p = strstr(opt->name, " -file "))) {
17275 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17276 opt->target = opt->textValue = p+7;
17277 opt->type = FileName; // FileName;
17278 opt->target = &opt->textValue;
17279 } else if((p = strstr(opt->name, " -path "))) {
17280 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17281 opt->target = opt->textValue = p+7;
17282 opt->type = PathName; // PathName;
17283 opt->target = &opt->textValue;
17284 } else if(p = strstr(opt->name, " -check ")) {
17285 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17286 opt->value = (def != 0);
17287 opt->type = CheckBox;
17288 } else if(p = strstr(opt->name, " -combo ")) {
17289 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17290 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17291 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17292 opt->value = n = 0;
17293 while(q = StrStr(q, " /// ")) {
17294 n++; *q = 0; // count choices, and null-terminate each of them
17296 if(*q == '*') { // remember default, which is marked with * prefix
17300 cps->comboList[cps->comboCnt++] = q;
17302 cps->comboList[cps->comboCnt++] = NULL;
17304 opt->type = ComboBox;
17305 } else if(p = strstr(opt->name, " -button")) {
17306 opt->type = Button;
17307 } else if(p = strstr(opt->name, " -save")) {
17308 opt->type = SaveButton;
17309 } else return FALSE;
17310 *p = 0; // terminate option name
17311 // now look if the command-line options define a setting for this engine option.
17312 if(cps->optionSettings && cps->optionSettings[0])
17313 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17314 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17315 snprintf(buf, MSG_SIZ, "option %s", p);
17316 if(p = strstr(buf, ",")) *p = 0;
17317 if(q = strchr(buf, '=')) switch(opt->type) {
17319 for(n=0; n<opt->max; n++)
17320 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17323 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17327 opt->value = atoi(q+1);
17332 SendToProgram(buf, cps);
17334 *(int*) (opt->name + MSG_SIZ - 104) = opt->value; // hide default values somewhere
17335 if(opt->target == &opt->textValue) strncpy(opt->name + MSG_SIZ - 100, opt->textValue, 99);
17340 FeatureDone (ChessProgramState *cps, int val)
17342 DelayedEventCallback cb = GetDelayedEvent();
17343 if ((cb == InitBackEnd3 && cps == &first) ||
17344 (cb == SettingsMenuIfReady && cps == &second) ||
17345 (cb == LoadEngine) ||
17346 (cb == TwoMachinesEventIfReady)) {
17347 CancelDelayedEvent();
17348 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17349 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17350 cps->initDone = val;
17351 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17354 /* Parse feature command from engine */
17356 ParseFeatures (char *args, ChessProgramState *cps)
17364 while (*p == ' ') p++;
17365 if (*p == NULLCHAR) return;
17367 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17368 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17369 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17370 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17371 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17372 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17373 if (BoolFeature(&p, "reuse", &val, cps)) {
17374 /* Engine can disable reuse, but can't enable it if user said no */
17375 if (!val) cps->reuse = FALSE;
17378 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17379 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17380 if (gameMode == TwoMachinesPlay) {
17381 DisplayTwoMachinesTitle();
17387 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17388 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17389 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17390 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17391 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17392 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17393 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17394 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17395 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17396 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17397 if (IntFeature(&p, "done", &val, cps)) {
17398 FeatureDone(cps, val);
17401 /* Added by Tord: */
17402 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17403 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17404 /* End of additions by Tord */
17406 /* [HGM] added features: */
17407 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17408 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17409 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17410 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17411 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17412 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17413 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17414 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17415 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17416 if(cps->nrOptions == 0) { ASSIGN(cps->option[0].name, _("Make Persistent -save")); ParseOption(&(cps->option[cps->nrOptions++]), cps); }
17417 FREE(cps->option[cps->nrOptions].name);
17418 cps->option[cps->nrOptions].name = q; q = NULL;
17419 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17420 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17421 SendToProgram(buf, cps);
17424 if(cps->nrOptions >= MAX_OPTIONS) {
17426 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17427 DisplayError(buf, 0);
17431 /* End of additions by HGM */
17433 /* unknown feature: complain and skip */
17435 while (*q && *q != '=') q++;
17436 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17437 SendToProgram(buf, cps);
17443 while (*p && *p != '\"') p++;
17444 if (*p == '\"') p++;
17446 while (*p && *p != ' ') p++;
17454 PeriodicUpdatesEvent (int newState)
17456 if (newState == appData.periodicUpdates)
17459 appData.periodicUpdates=newState;
17461 /* Display type changes, so update it now */
17462 // DisplayAnalysis();
17464 /* Get the ball rolling again... */
17466 AnalysisPeriodicEvent(1);
17467 StartAnalysisClock();
17472 PonderNextMoveEvent (int newState)
17474 if (newState == appData.ponderNextMove) return;
17475 if (gameMode == EditPosition) EditPositionDone(TRUE);
17477 SendToProgram("hard\n", &first);
17478 if (gameMode == TwoMachinesPlay) {
17479 SendToProgram("hard\n", &second);
17482 SendToProgram("easy\n", &first);
17483 thinkOutput[0] = NULLCHAR;
17484 if (gameMode == TwoMachinesPlay) {
17485 SendToProgram("easy\n", &second);
17488 appData.ponderNextMove = newState;
17492 NewSettingEvent (int option, int *feature, char *command, int value)
17496 if (gameMode == EditPosition) EditPositionDone(TRUE);
17497 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17498 if(feature == NULL || *feature) SendToProgram(buf, &first);
17499 if (gameMode == TwoMachinesPlay) {
17500 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17505 ShowThinkingEvent ()
17506 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17508 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17509 int newState = appData.showThinking
17510 // [HGM] thinking: other features now need thinking output as well
17511 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17513 if (oldState == newState) return;
17514 oldState = newState;
17515 if (gameMode == EditPosition) EditPositionDone(TRUE);
17517 SendToProgram("post\n", &first);
17518 if (gameMode == TwoMachinesPlay) {
17519 SendToProgram("post\n", &second);
17522 SendToProgram("nopost\n", &first);
17523 thinkOutput[0] = NULLCHAR;
17524 if (gameMode == TwoMachinesPlay) {
17525 SendToProgram("nopost\n", &second);
17528 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17532 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17534 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17535 if (pr == NoProc) return;
17536 AskQuestion(title, question, replyPrefix, pr);
17540 TypeInEvent (char firstChar)
17542 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17543 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17544 gameMode == AnalyzeMode || gameMode == EditGame ||
17545 gameMode == EditPosition || gameMode == IcsExamining ||
17546 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17547 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17548 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17549 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17550 gameMode == Training) PopUpMoveDialog(firstChar);
17554 TypeInDoneEvent (char *move)
17557 int n, fromX, fromY, toX, toY;
17559 ChessMove moveType;
17562 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17563 EditPositionPasteFEN(move);
17566 // [HGM] movenum: allow move number to be typed in any mode
17567 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17571 // undocumented kludge: allow command-line option to be typed in!
17572 // (potentially fatal, and does not implement the effect of the option.)
17573 // should only be used for options that are values on which future decisions will be made,
17574 // and definitely not on options that would be used during initialization.
17575 if(strstr(move, "!!! -") == move) {
17576 ParseArgsFromString(move+4);
17580 if (gameMode != EditGame && currentMove != forwardMostMove &&
17581 gameMode != Training) {
17582 DisplayMoveError(_("Displayed move is not current"));
17584 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17585 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17586 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17587 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17588 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17589 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17591 DisplayMoveError(_("Could not parse move"));
17597 DisplayMove (int moveNumber)
17599 char message[MSG_SIZ];
17601 char cpThinkOutput[MSG_SIZ];
17603 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17605 if (moveNumber == forwardMostMove - 1 ||
17606 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17608 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17610 if (strchr(cpThinkOutput, '\n')) {
17611 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17614 *cpThinkOutput = NULLCHAR;
17617 /* [AS] Hide thinking from human user */
17618 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17619 *cpThinkOutput = NULLCHAR;
17620 if( thinkOutput[0] != NULLCHAR ) {
17623 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17624 cpThinkOutput[i] = '.';
17626 cpThinkOutput[i] = NULLCHAR;
17627 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17631 if (moveNumber == forwardMostMove - 1 &&
17632 gameInfo.resultDetails != NULL) {
17633 if (gameInfo.resultDetails[0] == NULLCHAR) {
17634 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17636 snprintf(res, MSG_SIZ, " {%s} %s",
17637 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17643 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17644 DisplayMessage(res, cpThinkOutput);
17646 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17647 WhiteOnMove(moveNumber) ? " " : ".. ",
17648 parseList[moveNumber], res);
17649 DisplayMessage(message, cpThinkOutput);
17654 DisplayComment (int moveNumber, char *text)
17656 char title[MSG_SIZ];
17658 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17659 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17661 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17662 WhiteOnMove(moveNumber) ? " " : ".. ",
17663 parseList[moveNumber]);
17665 if (text != NULL && (appData.autoDisplayComment || commentUp))
17666 CommentPopUp(title, text);
17669 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17670 * might be busy thinking or pondering. It can be omitted if your
17671 * gnuchess is configured to stop thinking immediately on any user
17672 * input. However, that gnuchess feature depends on the FIONREAD
17673 * ioctl, which does not work properly on some flavors of Unix.
17676 Attention (ChessProgramState *cps)
17679 if (!cps->useSigint) return;
17680 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17681 switch (gameMode) {
17682 case MachinePlaysWhite:
17683 case MachinePlaysBlack:
17684 case TwoMachinesPlay:
17685 case IcsPlayingWhite:
17686 case IcsPlayingBlack:
17689 /* Skip if we know it isn't thinking */
17690 if (!cps->maybeThinking) return;
17691 if (appData.debugMode)
17692 fprintf(debugFP, "Interrupting %s\n", cps->which);
17693 InterruptChildProcess(cps->pr);
17694 cps->maybeThinking = FALSE;
17699 #endif /*ATTENTION*/
17705 if (whiteTimeRemaining <= 0) {
17708 if (appData.icsActive) {
17709 if (appData.autoCallFlag &&
17710 gameMode == IcsPlayingBlack && !blackFlag) {
17711 SendToICS(ics_prefix);
17712 SendToICS("flag\n");
17716 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17718 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17719 if (appData.autoCallFlag) {
17720 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17727 if (blackTimeRemaining <= 0) {
17730 if (appData.icsActive) {
17731 if (appData.autoCallFlag &&
17732 gameMode == IcsPlayingWhite && !whiteFlag) {
17733 SendToICS(ics_prefix);
17734 SendToICS("flag\n");
17738 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17740 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17741 if (appData.autoCallFlag) {
17742 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17753 CheckTimeControl ()
17755 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17756 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17759 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17761 if ( !WhiteOnMove(forwardMostMove) ) {
17762 /* White made time control */
17763 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17764 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17765 /* [HGM] time odds: correct new time quota for time odds! */
17766 / WhitePlayer()->timeOdds;
17767 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17769 lastBlack -= blackTimeRemaining;
17770 /* Black made time control */
17771 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17772 / WhitePlayer()->other->timeOdds;
17773 lastWhite = whiteTimeRemaining;
17778 DisplayBothClocks ()
17780 int wom = gameMode == EditPosition ?
17781 !blackPlaysFirst : WhiteOnMove(currentMove);
17782 DisplayWhiteClock(whiteTimeRemaining, wom);
17783 DisplayBlackClock(blackTimeRemaining, !wom);
17787 /* Timekeeping seems to be a portability nightmare. I think everyone
17788 has ftime(), but I'm really not sure, so I'm including some ifdefs
17789 to use other calls if you don't. Clocks will be less accurate if
17790 you have neither ftime nor gettimeofday.
17793 /* VS 2008 requires the #include outside of the function */
17794 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17795 #include <sys/timeb.h>
17798 /* Get the current time as a TimeMark */
17800 GetTimeMark (TimeMark *tm)
17802 #if HAVE_GETTIMEOFDAY
17804 struct timeval timeVal;
17805 struct timezone timeZone;
17807 gettimeofday(&timeVal, &timeZone);
17808 tm->sec = (long) timeVal.tv_sec;
17809 tm->ms = (int) (timeVal.tv_usec / 1000L);
17811 #else /*!HAVE_GETTIMEOFDAY*/
17814 // include <sys/timeb.h> / moved to just above start of function
17815 struct timeb timeB;
17818 tm->sec = (long) timeB.time;
17819 tm->ms = (int) timeB.millitm;
17821 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17822 tm->sec = (long) time(NULL);
17828 /* Return the difference in milliseconds between two
17829 time marks. We assume the difference will fit in a long!
17832 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17834 return 1000L*(tm2->sec - tm1->sec) +
17835 (long) (tm2->ms - tm1->ms);
17840 * Code to manage the game clocks.
17842 * In tournament play, black starts the clock and then white makes a move.
17843 * We give the human user a slight advantage if he is playing white---the
17844 * clocks don't run until he makes his first move, so it takes zero time.
17845 * Also, we don't account for network lag, so we could get out of sync
17846 * with GNU Chess's clock -- but then, referees are always right.
17849 static TimeMark tickStartTM;
17850 static long intendedTickLength;
17853 NextTickLength (long timeRemaining)
17855 long nominalTickLength, nextTickLength;
17857 if (timeRemaining > 0L && timeRemaining <= 10000L)
17858 nominalTickLength = 100L;
17860 nominalTickLength = 1000L;
17861 nextTickLength = timeRemaining % nominalTickLength;
17862 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17864 return nextTickLength;
17867 /* Adjust clock one minute up or down */
17869 AdjustClock (Boolean which, int dir)
17871 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17872 if(which) blackTimeRemaining += 60000*dir;
17873 else whiteTimeRemaining += 60000*dir;
17874 DisplayBothClocks();
17875 adjustedClock = TRUE;
17878 /* Stop clocks and reset to a fresh time control */
17882 (void) StopClockTimer();
17883 if (appData.icsActive) {
17884 whiteTimeRemaining = blackTimeRemaining = 0;
17885 } else if (searchTime) {
17886 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17887 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17888 } else { /* [HGM] correct new time quote for time odds */
17889 whiteTC = blackTC = fullTimeControlString;
17890 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17891 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17893 if (whiteFlag || blackFlag) {
17895 whiteFlag = blackFlag = FALSE;
17897 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17898 DisplayBothClocks();
17899 adjustedClock = FALSE;
17902 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17904 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17906 /* Decrement running clock by amount of time that has passed */
17911 long lastTickLength, fudge;
17914 if (!appData.clockMode) return;
17915 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17919 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17921 /* Fudge if we woke up a little too soon */
17922 fudge = intendedTickLength - lastTickLength;
17923 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17925 if (WhiteOnMove(forwardMostMove)) {
17926 if(whiteNPS >= 0) lastTickLength = 0;
17927 tRemaining = whiteTimeRemaining -= lastTickLength;
17928 if( tRemaining < 0 && !appData.icsActive) {
17929 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17930 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17931 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17932 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17935 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17936 DisplayWhiteClock(whiteTimeRemaining - fudge,
17937 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17940 if(blackNPS >= 0) lastTickLength = 0;
17941 tRemaining = blackTimeRemaining -= lastTickLength;
17942 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17943 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17945 blackStartMove = forwardMostMove;
17946 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17949 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17950 DisplayBlackClock(blackTimeRemaining - fudge,
17951 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17954 if (CheckFlags()) return;
17956 if(twoBoards) { // count down secondary board's clocks as well
17957 activePartnerTime -= lastTickLength;
17959 if(activePartner == 'W')
17960 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17962 DisplayBlackClock(activePartnerTime, TRUE);
17967 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17968 StartClockTimer(intendedTickLength);
17970 /* if the time remaining has fallen below the alarm threshold, sound the
17971 * alarm. if the alarm has sounded and (due to a takeback or time control
17972 * with increment) the time remaining has increased to a level above the
17973 * threshold, reset the alarm so it can sound again.
17976 if (appData.icsActive && appData.icsAlarm) {
17978 /* make sure we are dealing with the user's clock */
17979 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17980 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17983 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17984 alarmSounded = FALSE;
17985 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17987 alarmSounded = TRUE;
17993 /* A player has just moved, so stop the previously running
17994 clock and (if in clock mode) start the other one.
17995 We redisplay both clocks in case we're in ICS mode, because
17996 ICS gives us an update to both clocks after every move.
17997 Note that this routine is called *after* forwardMostMove
17998 is updated, so the last fractional tick must be subtracted
17999 from the color that is *not* on move now.
18002 SwitchClocks (int newMoveNr)
18004 long lastTickLength;
18006 int flagged = FALSE;
18010 if (StopClockTimer() && appData.clockMode) {
18011 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18012 if (!WhiteOnMove(forwardMostMove)) {
18013 if(blackNPS >= 0) lastTickLength = 0;
18014 blackTimeRemaining -= lastTickLength;
18015 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18016 // if(pvInfoList[forwardMostMove].time == -1)
18017 pvInfoList[forwardMostMove].time = // use GUI time
18018 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
18020 if(whiteNPS >= 0) lastTickLength = 0;
18021 whiteTimeRemaining -= lastTickLength;
18022 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18023 // if(pvInfoList[forwardMostMove].time == -1)
18024 pvInfoList[forwardMostMove].time =
18025 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
18027 flagged = CheckFlags();
18029 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
18030 CheckTimeControl();
18032 if (flagged || !appData.clockMode) return;
18034 switch (gameMode) {
18035 case MachinePlaysBlack:
18036 case MachinePlaysWhite:
18037 case BeginningOfGame:
18038 if (pausing) return;
18042 case PlayFromGameFile:
18050 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
18051 if(WhiteOnMove(forwardMostMove))
18052 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
18053 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
18057 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18058 whiteTimeRemaining : blackTimeRemaining);
18059 StartClockTimer(intendedTickLength);
18063 /* Stop both clocks */
18067 long lastTickLength;
18070 if (!StopClockTimer()) return;
18071 if (!appData.clockMode) return;
18075 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18076 if (WhiteOnMove(forwardMostMove)) {
18077 if(whiteNPS >= 0) lastTickLength = 0;
18078 whiteTimeRemaining -= lastTickLength;
18079 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18081 if(blackNPS >= 0) lastTickLength = 0;
18082 blackTimeRemaining -= lastTickLength;
18083 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18088 /* Start clock of player on move. Time may have been reset, so
18089 if clock is already running, stop and restart it. */
18093 (void) StopClockTimer(); /* in case it was running already */
18094 DisplayBothClocks();
18095 if (CheckFlags()) return;
18097 if (!appData.clockMode) return;
18098 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18100 GetTimeMark(&tickStartTM);
18101 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18102 whiteTimeRemaining : blackTimeRemaining);
18104 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18105 whiteNPS = blackNPS = -1;
18106 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18107 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18108 whiteNPS = first.nps;
18109 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18110 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18111 blackNPS = first.nps;
18112 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18113 whiteNPS = second.nps;
18114 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18115 blackNPS = second.nps;
18116 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18118 StartClockTimer(intendedTickLength);
18122 TimeString (long ms)
18124 long second, minute, hour, day;
18126 static char buf[40], moveTime[8];
18128 if (ms > 0 && ms <= 9900) {
18129 /* convert milliseconds to tenths, rounding up */
18130 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18132 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18136 /* convert milliseconds to seconds, rounding up */
18137 /* use floating point to avoid strangeness of integer division
18138 with negative dividends on many machines */
18139 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18146 day = second / (60 * 60 * 24);
18147 second = second % (60 * 60 * 24);
18148 hour = second / (60 * 60);
18149 second = second % (60 * 60);
18150 minute = second / 60;
18151 second = second % 60;
18153 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18154 else *moveTime = NULLCHAR;
18157 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18158 sign, day, hour, minute, second, moveTime);
18160 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18162 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18169 * This is necessary because some C libraries aren't ANSI C compliant yet.
18172 StrStr (char *string, char *match)
18176 length = strlen(match);
18178 for (i = strlen(string) - length; i >= 0; i--, string++)
18179 if (!strncmp(match, string, length))
18186 StrCaseStr (char *string, char *match)
18190 length = strlen(match);
18192 for (i = strlen(string) - length; i >= 0; i--, string++) {
18193 for (j = 0; j < length; j++) {
18194 if (ToLower(match[j]) != ToLower(string[j]))
18197 if (j == length) return string;
18205 StrCaseCmp (char *s1, char *s2)
18210 c1 = ToLower(*s1++);
18211 c2 = ToLower(*s2++);
18212 if (c1 > c2) return 1;
18213 if (c1 < c2) return -1;
18214 if (c1 == NULLCHAR) return 0;
18222 return isupper(c) ? tolower(c) : c;
18229 return islower(c) ? toupper(c) : c;
18231 #endif /* !_amigados */
18238 if ((ret = (char *) malloc(strlen(s) + 1)))
18240 safeStrCpy(ret, s, strlen(s)+1);
18246 StrSavePtr (char *s, char **savePtr)
18251 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18252 safeStrCpy(*savePtr, s, strlen(s)+1);
18264 clock = time((time_t *)NULL);
18265 tm = localtime(&clock);
18266 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18267 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18268 return StrSave(buf);
18273 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18275 int i, j, fromX, fromY, toX, toY;
18276 int whiteToPlay, haveRights = nrCastlingRights;
18282 whiteToPlay = (gameMode == EditPosition) ?
18283 !blackPlaysFirst : (move % 2 == 0);
18286 /* Piece placement data */
18287 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18288 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18290 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18291 if (boards[move][i][j] == EmptySquare) {
18293 } else { ChessSquare piece = boards[move][i][j];
18294 if (emptycount > 0) {
18295 if(emptycount<10) /* [HGM] can be >= 10 */
18296 *p++ = '0' + emptycount;
18297 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18300 if(PieceToChar(piece) == '+') {
18301 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18303 piece = (ChessSquare)(CHUDEMOTED(piece));
18305 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18306 if(*p = PieceSuffix(piece)) p++;
18308 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18309 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18314 if (emptycount > 0) {
18315 if(emptycount<10) /* [HGM] can be >= 10 */
18316 *p++ = '0' + emptycount;
18317 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18324 /* [HGM] print Crazyhouse or Shogi holdings */
18325 if( gameInfo.holdingsWidth ) {
18326 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18328 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18329 piece = boards[move][i][BOARD_WIDTH-1];
18330 if( piece != EmptySquare )
18331 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18332 *p++ = PieceToChar(piece);
18334 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18335 piece = boards[move][BOARD_HEIGHT-i-1][0];
18336 if( piece != EmptySquare )
18337 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18338 *p++ = PieceToChar(piece);
18341 if( q == p ) *p++ = '-';
18347 *p++ = whiteToPlay ? 'w' : 'b';
18350 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18351 haveRights = 0; q = p;
18352 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18353 piece = boards[move][0][i];
18354 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18355 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18358 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18359 piece = boards[move][BOARD_HEIGHT-1][i];
18360 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18361 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18364 if(p == q) *p++ = '-';
18368 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18371 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18374 int handW=0, handB=0;
18375 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18376 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18377 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18380 if(appData.fischerCastling) {
18381 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18382 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18383 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18385 /* [HGM] write directly from rights */
18386 if(boards[move][CASTLING][2] != NoRights &&
18387 boards[move][CASTLING][0] != NoRights )
18388 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18389 if(boards[move][CASTLING][2] != NoRights &&
18390 boards[move][CASTLING][1] != NoRights )
18391 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18394 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18395 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18397 if(boards[move][CASTLING][5] != NoRights &&
18398 boards[move][CASTLING][3] != NoRights )
18399 *p++ = boards[move][CASTLING][3] + AAA;
18400 if(boards[move][CASTLING][5] != NoRights &&
18401 boards[move][CASTLING][4] != NoRights )
18402 *p++ = boards[move][CASTLING][4] + AAA;
18406 /* [HGM] write true castling rights */
18407 if( nrCastlingRights == 6 ) {
18409 if(boards[move][CASTLING][0] != NoRights &&
18410 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18411 q = (boards[move][CASTLING][1] != NoRights &&
18412 boards[move][CASTLING][2] != NoRights );
18413 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18414 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18415 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18416 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18420 if(boards[move][CASTLING][3] != NoRights &&
18421 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18422 q = (boards[move][CASTLING][4] != NoRights &&
18423 boards[move][CASTLING][5] != NoRights );
18425 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18426 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18427 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18432 if (q == p) *p++ = '-'; /* No castling rights */
18436 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18437 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18438 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18439 /* En passant target square */
18440 if (move > backwardMostMove) {
18441 fromX = moveList[move - 1][0] - AAA;
18442 fromY = moveList[move - 1][1] - ONE;
18443 toX = moveList[move - 1][2] - AAA;
18444 toY = moveList[move - 1][3] - ONE;
18445 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18446 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18447 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18449 /* 2-square pawn move just happened */
18451 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18455 } else if(move == backwardMostMove) {
18456 // [HGM] perhaps we should always do it like this, and forget the above?
18457 if((signed char)boards[move][EP_STATUS] >= 0) {
18458 *p++ = boards[move][EP_STATUS] + AAA;
18459 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18470 i = boards[move][CHECK_COUNT];
18472 sprintf(p, "%d+%d ", i&255, i>>8);
18477 { int i = 0, j=move;
18479 /* [HGM] find reversible plies */
18480 if (appData.debugMode) { int k;
18481 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18482 for(k=backwardMostMove; k<=forwardMostMove; k++)
18483 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18487 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18488 if( j == backwardMostMove ) i += initialRulePlies;
18489 sprintf(p, "%d ", i);
18490 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18492 /* Fullmove number */
18493 sprintf(p, "%d", (move / 2) + 1);
18494 } else *--p = NULLCHAR;
18496 return StrSave(buf);
18500 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18502 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18504 int emptycount, virgin[BOARD_FILES];
18505 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18509 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18511 /* Piece placement data */
18512 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18515 if (*p == '/' || *p == ' ' || *p == '[' ) {
18517 emptycount = gameInfo.boardWidth - j;
18518 while (emptycount--)
18519 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18520 if (*p == '/') p++;
18521 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18522 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18523 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18525 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18528 #if(BOARD_FILES >= 10)*0
18529 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18530 p++; emptycount=10;
18531 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18532 while (emptycount--)
18533 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18535 } else if (*p == '*') {
18536 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18537 } else if (isdigit(*p)) {
18538 emptycount = *p++ - '0';
18539 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18540 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18541 while (emptycount--)
18542 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18543 } else if (*p == '<') {
18544 if(i == BOARD_HEIGHT-1) shuffle = 1;
18545 else if (i != 0 || !shuffle) return FALSE;
18547 } else if (shuffle && *p == '>') {
18548 p++; // for now ignore closing shuffle range, and assume rank-end
18549 } else if (*p == '?') {
18550 if (j >= gameInfo.boardWidth) return FALSE;
18551 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18552 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18553 } else if (*p == '+' || isalpha(*p)) {
18554 char *q, *s = SUFFIXES;
18555 if (j >= gameInfo.boardWidth) return FALSE;
18558 if(q = strchr(s, p[1])) p++;
18559 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18560 if(piece == EmptySquare) return FALSE; /* unknown piece */
18561 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18562 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18565 if(q = strchr(s, *p)) p++;
18566 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18569 if(piece==EmptySquare) return FALSE; /* unknown piece */
18570 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18571 piece = (ChessSquare) (PROMOTED(piece));
18572 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18575 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18576 if(piece == king) wKingRank = i;
18577 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18583 while (*p == '/' || *p == ' ') p++;
18585 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18587 /* [HGM] by default clear Crazyhouse holdings, if present */
18588 if(gameInfo.holdingsWidth) {
18589 for(i=0; i<BOARD_HEIGHT; i++) {
18590 board[i][0] = EmptySquare; /* black holdings */
18591 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18592 board[i][1] = (ChessSquare) 0; /* black counts */
18593 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18597 /* [HGM] look for Crazyhouse holdings here */
18598 while(*p==' ') p++;
18599 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18600 int swap=0, wcnt=0, bcnt=0;
18602 if(*p == '<') swap++, p++;
18603 if(*p == '-' ) p++; /* empty holdings */ else {
18604 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18605 /* if we would allow FEN reading to set board size, we would */
18606 /* have to add holdings and shift the board read so far here */
18607 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18609 if((int) piece >= (int) BlackPawn ) {
18610 i = (int)piece - (int)BlackPawn;
18611 i = PieceToNumber((ChessSquare)i);
18612 if( i >= gameInfo.holdingsSize ) return FALSE;
18613 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18614 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18617 i = (int)piece - (int)WhitePawn;
18618 i = PieceToNumber((ChessSquare)i);
18619 if( i >= gameInfo.holdingsSize ) return FALSE;
18620 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18621 board[i][BOARD_WIDTH-2]++; /* black holdings */
18625 if(subst) { // substitute back-rank question marks by holdings pieces
18626 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18627 int k, m, n = bcnt + 1;
18628 if(board[0][j] == ClearBoard) {
18629 if(!wcnt) return FALSE;
18631 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18632 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18633 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18637 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18638 if(!bcnt) return FALSE;
18639 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18640 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18641 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18642 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18653 if(subst) return FALSE; // substitution requested, but no holdings
18655 while(*p == ' ') p++;
18659 if(appData.colorNickNames) {
18660 if( c == appData.colorNickNames[0] ) c = 'w'; else
18661 if( c == appData.colorNickNames[1] ) c = 'b';
18665 *blackPlaysFirst = FALSE;
18668 *blackPlaysFirst = TRUE;
18674 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18675 /* return the extra info in global variiables */
18677 while(*p==' ') p++;
18679 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18680 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18681 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18684 /* set defaults in case FEN is incomplete */
18685 board[EP_STATUS] = EP_UNKNOWN;
18686 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18687 for(i=0; i<nrCastlingRights; i++ ) {
18688 board[CASTLING][i] =
18689 appData.fischerCastling ? NoRights : initialRights[i];
18690 } /* assume possible unless obviously impossible */
18691 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18692 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18693 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18694 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18695 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18696 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18697 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18698 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18701 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18704 while(isalpha(*p)) {
18705 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18706 if(islower(*p)) b |= 1 << (*p++ - 'a');
18710 board[TOUCHED_W] = ~w;
18711 board[TOUCHED_B] = ~b;
18712 while(*p == ' ') p++;
18716 if(nrCastlingRights) {
18718 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18719 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18720 /* castling indicator present, so default becomes no castlings */
18721 for(i=0; i<nrCastlingRights; i++ ) {
18722 board[CASTLING][i] = NoRights;
18725 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18726 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18727 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18728 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18729 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18731 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18732 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18733 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18735 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18736 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18737 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18738 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18739 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18740 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18743 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18744 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18745 board[CASTLING][2] = whiteKingFile;
18746 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18747 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18748 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18751 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18752 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18753 board[CASTLING][2] = whiteKingFile;
18754 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18755 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18756 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18759 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18760 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18761 board[CASTLING][5] = blackKingFile;
18762 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18763 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18764 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18767 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18768 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18769 board[CASTLING][5] = blackKingFile;
18770 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18771 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18772 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18775 default: /* FRC castlings */
18776 if(c >= 'a') { /* black rights */
18777 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18778 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18779 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18780 if(i == BOARD_RGHT) break;
18781 board[CASTLING][5] = i;
18783 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18784 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18786 board[CASTLING][3] = c;
18788 board[CASTLING][4] = c;
18789 } else { /* white rights */
18790 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18791 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18792 if(board[0][i] == WhiteKing) break;
18793 if(i == BOARD_RGHT) break;
18794 board[CASTLING][2] = i;
18795 c -= AAA - 'a' + 'A';
18796 if(board[0][c] >= WhiteKing) break;
18798 board[CASTLING][0] = c;
18800 board[CASTLING][1] = c;
18804 for(i=0; i<nrCastlingRights; i++)
18805 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18806 if(gameInfo.variant == VariantSChess)
18807 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18808 if(fischer && shuffle) appData.fischerCastling = TRUE;
18809 if (appData.debugMode) {
18810 fprintf(debugFP, "FEN castling rights:");
18811 for(i=0; i<nrCastlingRights; i++)
18812 fprintf(debugFP, " %d", board[CASTLING][i]);
18813 fprintf(debugFP, "\n");
18816 while(*p==' ') p++;
18819 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18821 /* read e.p. field in games that know e.p. capture */
18822 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18823 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18824 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18826 p++; board[EP_STATUS] = EP_NONE;
18828 char c = *p++ - AAA;
18830 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18831 if(*p >= '0' && *p <='9') p++;
18832 board[EP_STATUS] = c;
18836 while(*p == ' ') p++;
18838 board[CHECK_COUNT] = 0; // [HGM] 3check: check-count field
18839 if(sscanf(p, "%d+%d", &i, &j) == 2) {
18840 board[CHECK_COUNT] = i + 256*j;
18841 while(*p && *p != ' ') p++;
18844 c = sscanf(p, "%d%*d +%d+%d", &i, &j, &k);
18846 FENrulePlies = i; /* 50-move ply counter */
18847 /* (The move number is still ignored) */
18848 if(c == 3 && !board[CHECK_COUNT]) board[CHECK_COUNT] = (3 - j) + 256*(3 - k); // SCIDB-style check count
18855 EditPositionPasteFEN (char *fen)
18858 Board initial_position;
18860 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18861 DisplayError(_("Bad FEN position in clipboard"), 0);
18864 int savedBlackPlaysFirst = blackPlaysFirst;
18865 EditPositionEvent();
18866 blackPlaysFirst = savedBlackPlaysFirst;
18867 CopyBoard(boards[0], initial_position);
18868 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18869 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18870 DisplayBothClocks();
18871 DrawPosition(FALSE, boards[currentMove]);
18876 static char cseq[12] = "\\ ";
18879 set_cont_sequence (char *new_seq)
18884 // handle bad attempts to set the sequence
18886 return 0; // acceptable error - no debug
18888 len = strlen(new_seq);
18889 ret = (len > 0) && (len < sizeof(cseq));
18891 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18892 else if (appData.debugMode)
18893 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18898 reformat a source message so words don't cross the width boundary. internal
18899 newlines are not removed. returns the wrapped size (no null character unless
18900 included in source message). If dest is NULL, only calculate the size required
18901 for the dest buffer. lp argument indicats line position upon entry, and it's
18902 passed back upon exit.
18905 wrap (char *dest, char *src, int count, int width, int *lp)
18907 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18909 cseq_len = strlen(cseq);
18910 old_line = line = *lp;
18911 ansi = len = clen = 0;
18913 for (i=0; i < count; i++)
18915 if (src[i] == '\033')
18918 // if we hit the width, back up
18919 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18921 // store i & len in case the word is too long
18922 old_i = i, old_len = len;
18924 // find the end of the last word
18925 while (i && src[i] != ' ' && src[i] != '\n')
18931 // word too long? restore i & len before splitting it
18932 if ((old_i-i+clen) >= width)
18939 if (i && src[i-1] == ' ')
18942 if (src[i] != ' ' && src[i] != '\n')
18949 // now append the newline and continuation sequence
18954 strncpy(dest+len, cseq, cseq_len);
18962 dest[len] = src[i];
18966 if (src[i] == '\n')
18971 if (dest && appData.debugMode)
18973 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18974 count, width, line, len, *lp);
18975 show_bytes(debugFP, src, count);
18976 fprintf(debugFP, "\ndest: ");
18977 show_bytes(debugFP, dest, len);
18978 fprintf(debugFP, "\n");
18980 *lp = dest ? line : old_line;
18985 // [HGM] vari: routines for shelving variations
18986 Boolean modeRestore = FALSE;
18989 PushInner (int firstMove, int lastMove)
18991 int i, j, nrMoves = lastMove - firstMove;
18993 // push current tail of game on stack
18994 savedResult[storedGames] = gameInfo.result;
18995 savedDetails[storedGames] = gameInfo.resultDetails;
18996 gameInfo.resultDetails = NULL;
18997 savedFirst[storedGames] = firstMove;
18998 savedLast [storedGames] = lastMove;
18999 savedFramePtr[storedGames] = framePtr;
19000 framePtr -= nrMoves; // reserve space for the boards
19001 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
19002 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
19003 for(j=0; j<MOVE_LEN; j++)
19004 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
19005 for(j=0; j<2*MOVE_LEN; j++)
19006 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
19007 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
19008 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
19009 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
19010 pvInfoList[firstMove+i-1].depth = 0;
19011 commentList[framePtr+i] = commentList[firstMove+i];
19012 commentList[firstMove+i] = NULL;
19016 forwardMostMove = firstMove; // truncate game so we can start variation
19020 PushTail (int firstMove, int lastMove)
19022 if(appData.icsActive) { // only in local mode
19023 forwardMostMove = currentMove; // mimic old ICS behavior
19026 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
19028 PushInner(firstMove, lastMove);
19029 if(storedGames == 1) GreyRevert(FALSE);
19030 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
19034 PopInner (Boolean annotate)
19037 char buf[8000], moveBuf[20];
19039 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
19040 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
19041 nrMoves = savedLast[storedGames] - currentMove;
19044 if(!WhiteOnMove(currentMove))
19045 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
19046 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
19047 for(i=currentMove; i<forwardMostMove; i++) {
19049 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
19050 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
19051 strcat(buf, moveBuf);
19052 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
19053 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
19057 for(i=1; i<=nrMoves; i++) { // copy last variation back
19058 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
19059 for(j=0; j<MOVE_LEN; j++)
19060 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
19061 for(j=0; j<2*MOVE_LEN; j++)
19062 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
19063 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
19064 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
19065 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
19066 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
19067 commentList[currentMove+i] = commentList[framePtr+i];
19068 commentList[framePtr+i] = NULL;
19070 if(annotate) AppendComment(currentMove+1, buf, FALSE);
19071 framePtr = savedFramePtr[storedGames];
19072 gameInfo.result = savedResult[storedGames];
19073 if(gameInfo.resultDetails != NULL) {
19074 free(gameInfo.resultDetails);
19076 gameInfo.resultDetails = savedDetails[storedGames];
19077 forwardMostMove = currentMove + nrMoves;
19081 PopTail (Boolean annotate)
19083 if(appData.icsActive) return FALSE; // only in local mode
19084 if(!storedGames) return FALSE; // sanity
19085 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19087 PopInner(annotate);
19088 if(currentMove < forwardMostMove) ForwardEvent(); else
19089 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19091 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19097 { // remove all shelved variations
19099 for(i=0; i<storedGames; i++) {
19100 if(savedDetails[i])
19101 free(savedDetails[i]);
19102 savedDetails[i] = NULL;
19104 for(i=framePtr; i<MAX_MOVES; i++) {
19105 if(commentList[i]) free(commentList[i]);
19106 commentList[i] = NULL;
19108 framePtr = MAX_MOVES-1;
19113 LoadVariation (int index, char *text)
19114 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19115 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19116 int level = 0, move;
19118 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19119 // first find outermost bracketing variation
19120 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19121 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19122 if(*p == '{') wait = '}'; else
19123 if(*p == '[') wait = ']'; else
19124 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19125 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19127 if(*p == wait) wait = NULLCHAR; // closing ]} found
19130 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19131 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19132 end[1] = NULLCHAR; // clip off comment beyond variation
19133 ToNrEvent(currentMove-1);
19134 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19135 // kludge: use ParsePV() to append variation to game
19136 move = currentMove;
19137 ParsePV(start, TRUE, TRUE);
19138 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19139 ClearPremoveHighlights();
19141 ToNrEvent(currentMove+1);
19144 int transparency[2];
19149 #define BUF_SIZ (2*MSG_SIZ)
19150 char *p, *q, buf[BUF_SIZ];
19151 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19152 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19153 ParseArgsFromString(buf);
19154 ActivateTheme(TRUE); // also redo colors
19158 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19161 q = appData.themeNames;
19162 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19163 if(appData.useBitmaps) {
19164 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19165 Shorten(appData.liteBackTextureFile));
19166 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19167 Shorten(appData.darkBackTextureFile),
19168 appData.liteBackTextureMode,
19169 appData.darkBackTextureMode );
19171 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19173 if(!appData.useBitmaps || transparency[0]) {
19174 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19176 if(!appData.useBitmaps || transparency[1]) {
19177 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19179 if(appData.useBorder) {
19180 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19183 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19185 if(appData.useFont) {
19186 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19187 appData.renderPiecesWithFont,
19188 appData.fontToPieceTable,
19189 Col2Text(9), // appData.fontBackColorWhite
19190 Col2Text(10) ); // appData.fontForeColorBlack
19192 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19193 if(appData.pieceDirectory[0]) {
19194 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19195 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19196 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19198 if(!appData.pieceDirectory[0] || !appData.trueColors)
19199 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19200 Col2Text(0), // whitePieceColor
19201 Col2Text(1) ); // blackPieceColor
19203 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19204 Col2Text(4), // highlightSquareColor
19205 Col2Text(5) ); // premoveHighlightColor
19206 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19207 if(insert != q) insert[-1] = NULLCHAR;
19208 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19211 ActivateTheme(FALSE);