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 */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ], avoidMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
446 char promoRestrict[MSG_SIZ];
448 ChessProgramState first, second, pairing;
450 /* premove variables */
453 int premoveFromX = 0;
454 int premoveFromY = 0;
455 int premovePromoChar = 0;
457 Boolean alarmSounded;
458 /* end premove variables */
460 char *ics_prefix = "$";
461 enum ICS_TYPE ics_type = ICS_GENERIC;
463 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
464 int pauseExamForwardMostMove = 0;
465 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
466 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
467 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
468 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
469 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
470 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
471 int whiteFlag = FALSE, blackFlag = FALSE;
472 int userOfferedDraw = FALSE;
473 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
474 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
475 int cmailMoveType[CMAIL_MAX_GAMES];
476 long ics_clock_paused = 0;
477 ProcRef icsPR = NoProc, cmailPR = NoProc;
478 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
479 GameMode gameMode = BeginningOfGame;
480 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
481 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
482 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
483 int hiddenThinkOutputState = 0; /* [AS] */
484 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
485 int adjudicateLossPlies = 6;
486 char white_holding[64], black_holding[64];
487 TimeMark lastNodeCountTime;
488 long lastNodeCount=0;
489 int shiftKey, controlKey; // [HGM] set by mouse handler
491 int have_sent_ICS_logon = 0;
493 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
494 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
495 Boolean adjustedClock;
496 long timeControl_2; /* [AS] Allow separate time controls */
497 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
498 long timeRemaining[2][MAX_MOVES];
499 int matchGame = 0, nextGame = 0, roundNr = 0;
500 Boolean waitingForGame = FALSE, startingEngine = FALSE;
501 TimeMark programStartTime, pauseStart;
502 char ics_handle[MSG_SIZ];
503 int have_set_title = 0;
505 /* animateTraining preserves the state of appData.animate
506 * when Training mode is activated. This allows the
507 * response to be animated when appData.animate == TRUE and
508 * appData.animateDragging == TRUE.
510 Boolean animateTraining;
516 Board boards[MAX_MOVES];
517 /* [HGM] Following 7 needed for accurate legality tests: */
518 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
519 unsigned char initialRights[BOARD_FILES];
520 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
521 int initialRulePlies, FENrulePlies;
522 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
524 Boolean shuffleOpenings;
525 int mute; // mute all sounds
527 // [HGM] vari: next 12 to save and restore variations
528 #define MAX_VARIATIONS 10
529 int framePtr = MAX_MOVES-1; // points to free stack entry
531 int savedFirst[MAX_VARIATIONS];
532 int savedLast[MAX_VARIATIONS];
533 int savedFramePtr[MAX_VARIATIONS];
534 char *savedDetails[MAX_VARIATIONS];
535 ChessMove savedResult[MAX_VARIATIONS];
537 void PushTail P((int firstMove, int lastMove));
538 Boolean PopTail P((Boolean annotate));
539 void PushInner P((int firstMove, int lastMove));
540 void PopInner P((Boolean annotate));
541 void CleanupTail P((void));
543 ChessSquare FIDEArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
547 BlackKing, BlackBishop, BlackKnight, BlackRook }
550 ChessSquare twoKingsArray[2][BOARD_FILES] = {
551 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
552 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
554 BlackKing, BlackKing, BlackKnight, BlackRook }
557 ChessSquare KnightmateArray[2][BOARD_FILES] = {
558 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
559 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
560 { BlackRook, BlackMan, BlackBishop, BlackQueen,
561 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
564 ChessSquare SpartanArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
566 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
567 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
568 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
571 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
575 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
578 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
580 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
582 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
586 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackMan, BlackFerz,
589 BlackKing, BlackMan, BlackKnight, BlackRook }
592 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
593 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
594 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackMan, BlackFerz,
596 BlackKing, BlackMan, BlackKnight, BlackRook }
599 ChessSquare lionArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
601 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackLion, BlackBishop, BlackQueen,
603 BlackKing, BlackBishop, BlackKnight, BlackRook }
607 #if (BOARD_FILES>=10)
608 ChessSquare ShogiArray[2][BOARD_FILES] = {
609 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
610 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
611 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
612 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
615 ChessSquare XiangqiArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
617 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
619 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
622 ChessSquare CapablancaArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
624 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
626 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
629 ChessSquare GreatArray[2][BOARD_FILES] = {
630 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
631 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
632 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
633 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
636 ChessSquare JanusArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
638 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
639 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
640 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
643 ChessSquare GrandArray[2][BOARD_FILES] = {
644 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
645 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
646 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
647 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
650 ChessSquare ChuChessArray[2][BOARD_FILES] = {
651 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
652 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
653 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
654 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
658 ChessSquare GothicArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
660 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
662 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
665 #define GothicArray CapablancaArray
669 ChessSquare FalconArray[2][BOARD_FILES] = {
670 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
671 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
672 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
673 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
676 #define FalconArray CapablancaArray
679 #else // !(BOARD_FILES>=10)
680 #define XiangqiPosition FIDEArray
681 #define CapablancaArray FIDEArray
682 #define GothicArray FIDEArray
683 #define GreatArray FIDEArray
684 #endif // !(BOARD_FILES>=10)
686 #if (BOARD_FILES>=12)
687 ChessSquare CourierArray[2][BOARD_FILES] = {
688 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
689 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
690 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
691 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
693 ChessSquare ChuArray[6][BOARD_FILES] = {
694 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
696 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
698 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
699 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
700 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
701 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
702 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
704 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
707 #else // !(BOARD_FILES>=12)
708 #define CourierArray CapablancaArray
709 #define ChuArray CapablancaArray
710 #endif // !(BOARD_FILES>=12)
713 Board initialPosition;
716 /* Convert str to a rating. Checks for special cases of "----",
718 "++++", etc. Also strips ()'s */
720 string_to_rating (char *str)
722 while(*str && !isdigit(*str)) ++str;
724 return 0; /* One of the special "no rating" cases */
732 /* Init programStats */
733 programStats.movelist[0] = 0;
734 programStats.depth = 0;
735 programStats.nr_moves = 0;
736 programStats.moves_left = 0;
737 programStats.nodes = 0;
738 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
739 programStats.score = 0;
740 programStats.got_only_move = 0;
741 programStats.got_fail = 0;
742 programStats.line_is_book = 0;
747 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
748 if (appData.firstPlaysBlack) {
749 first.twoMachinesColor = "black\n";
750 second.twoMachinesColor = "white\n";
752 first.twoMachinesColor = "white\n";
753 second.twoMachinesColor = "black\n";
756 first.other = &second;
757 second.other = &first;
760 if(appData.timeOddsMode) {
761 norm = appData.timeOdds[0];
762 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
764 first.timeOdds = appData.timeOdds[0]/norm;
765 second.timeOdds = appData.timeOdds[1]/norm;
768 if(programVersion) free(programVersion);
769 if (appData.noChessProgram) {
770 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
771 sprintf(programVersion, "%s", PACKAGE_STRING);
773 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
774 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
775 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
780 UnloadEngine (ChessProgramState *cps)
782 /* Kill off first chess program */
783 if (cps->isr != NULL)
784 RemoveInputSource(cps->isr);
787 if (cps->pr != NoProc) {
789 DoSleep( appData.delayBeforeQuit );
790 SendToProgram("quit\n", cps);
791 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
794 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
798 ClearOptions (ChessProgramState *cps)
801 cps->nrOptions = cps->comboCnt = 0;
802 for(i=0; i<MAX_OPTIONS; i++) {
803 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
804 cps->option[i].textValue = 0;
808 char *engineNames[] = {
809 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
812 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
813 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
818 InitEngine (ChessProgramState *cps, int n)
819 { // [HGM] all engine initialiation put in a function that does one engine
823 cps->which = engineNames[n];
824 cps->maybeThinking = FALSE;
828 cps->sendDrawOffers = 1;
830 cps->program = appData.chessProgram[n];
831 cps->host = appData.host[n];
832 cps->dir = appData.directory[n];
833 cps->initString = appData.engInitString[n];
834 cps->computerString = appData.computerString[n];
835 cps->useSigint = TRUE;
836 cps->useSigterm = TRUE;
837 cps->reuse = appData.reuse[n];
838 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
839 cps->useSetboard = FALSE;
841 cps->usePing = FALSE;
844 cps->usePlayother = FALSE;
845 cps->useColors = TRUE;
846 cps->useUsermove = FALSE;
847 cps->sendICS = FALSE;
848 cps->sendName = appData.icsActive;
849 cps->sdKludge = FALSE;
850 cps->stKludge = FALSE;
851 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
852 TidyProgramName(cps->program, cps->host, cps->tidy);
854 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
855 cps->analysisSupport = 2; /* detect */
856 cps->analyzing = FALSE;
857 cps->initDone = FALSE;
859 cps->pseudo = appData.pseudo[n];
861 /* New features added by Tord: */
862 cps->useFEN960 = FALSE;
863 cps->useOOCastle = TRUE;
864 /* End of new features added by Tord. */
865 cps->fenOverride = appData.fenOverride[n];
867 /* [HGM] time odds: set factor for each machine */
868 cps->timeOdds = appData.timeOdds[n];
870 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
871 cps->accumulateTC = appData.accumulateTC[n];
872 cps->maxNrOfSessions = 1;
877 cps->drawDepth = appData.drawDepth[n];
878 cps->supportsNPS = UNKNOWN;
879 cps->memSize = FALSE;
880 cps->maxCores = FALSE;
881 ASSIGN(cps->egtFormats, "");
884 cps->optionSettings = appData.engOptions[n];
886 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
887 cps->isUCI = appData.isUCI[n]; /* [AS] */
888 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
891 if (appData.protocolVersion[n] > PROTOVER
892 || appData.protocolVersion[n] < 1)
897 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
898 appData.protocolVersion[n]);
899 if( (len >= MSG_SIZ) && appData.debugMode )
900 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
902 DisplayFatalError(buf, 0, 2);
906 cps->protocolVersion = appData.protocolVersion[n];
909 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
910 ParseFeatures(appData.featureDefaults, cps);
913 ChessProgramState *savCps;
921 if(WaitForEngine(savCps, LoadEngine)) return;
922 CommonEngineInit(); // recalculate time odds
923 if(gameInfo.variant != StringToVariant(appData.variant)) {
924 // we changed variant when loading the engine; this forces us to reset
925 Reset(TRUE, savCps != &first);
926 oldMode = BeginningOfGame; // to prevent restoring old mode
928 InitChessProgram(savCps, FALSE);
929 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
930 DisplayMessage("", "");
931 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
932 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
935 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
939 ReplaceEngine (ChessProgramState *cps, int n)
941 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
943 if(oldMode != BeginningOfGame) EditGameEvent();
946 appData.noChessProgram = FALSE;
947 appData.clockMode = TRUE;
950 if(n) return; // only startup first engine immediately; second can wait
951 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
955 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
956 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
958 static char resetOptions[] =
959 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
960 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
961 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
962 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
965 FloatToFront(char **list, char *engineLine)
967 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
969 if(appData.recentEngines <= 0) return;
970 TidyProgramName(engineLine, "localhost", tidy+1);
971 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
972 strncpy(buf+1, *list, MSG_SIZ-50);
973 if(p = strstr(buf, tidy)) { // tidy name appears in list
974 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
975 while(*p++ = *++q); // squeeze out
977 strcat(tidy, buf+1); // put list behind tidy name
978 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
979 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
980 ASSIGN(*list, tidy+1);
983 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
986 Load (ChessProgramState *cps, int i)
988 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
989 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
990 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
991 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
992 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
993 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
994 appData.firstProtocolVersion = PROTOVER;
995 ParseArgsFromString(buf);
997 ReplaceEngine(cps, i);
998 FloatToFront(&appData.recentEngineList, engineLine);
999 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1003 while(q = strchr(p, SLASH)) p = q+1;
1004 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1005 if(engineDir[0] != NULLCHAR) {
1006 ASSIGN(appData.directory[i], engineDir); p = engineName;
1007 } else if(p != engineName) { // derive directory from engine path, when not given
1009 ASSIGN(appData.directory[i], engineName);
1011 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1012 } else { ASSIGN(appData.directory[i], "."); }
1013 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1015 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1016 snprintf(command, MSG_SIZ, "%s %s", p, params);
1019 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1020 ASSIGN(appData.chessProgram[i], p);
1021 appData.isUCI[i] = isUCI;
1022 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1023 appData.hasOwnBookUCI[i] = hasBook;
1024 if(!nickName[0]) useNick = FALSE;
1025 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1029 q = firstChessProgramNames;
1030 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1031 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1032 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1033 quote, p, quote, appData.directory[i],
1034 useNick ? " -fn \"" : "",
1035 useNick ? nickName : "",
1036 useNick ? "\"" : "",
1037 v1 ? " -firstProtocolVersion 1" : "",
1038 hasBook ? "" : " -fNoOwnBookUCI",
1039 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1040 storeVariant ? " -variant " : "",
1041 storeVariant ? VariantName(gameInfo.variant) : "");
1042 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1043 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1044 if(insert != q) insert[-1] = NULLCHAR;
1045 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1047 FloatToFront(&appData.recentEngineList, buf);
1049 ReplaceEngine(cps, i);
1055 int matched, min, sec;
1057 * Parse timeControl resource
1059 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1060 appData.movesPerSession)) {
1062 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1063 DisplayFatalError(buf, 0, 2);
1067 * Parse searchTime resource
1069 if (*appData.searchTime != NULLCHAR) {
1070 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1072 searchTime = min * 60;
1073 } else if (matched == 2) {
1074 searchTime = min * 60 + sec;
1077 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1078 DisplayFatalError(buf, 0, 2);
1087 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1088 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1090 GetTimeMark(&programStartTime);
1091 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1092 appData.seedBase = random() + (random()<<15);
1093 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1095 ClearProgramStats();
1096 programStats.ok_to_send = 1;
1097 programStats.seen_stat = 0;
1100 * Initialize game list
1106 * Internet chess server status
1108 if (appData.icsActive) {
1109 appData.matchMode = FALSE;
1110 appData.matchGames = 0;
1112 appData.noChessProgram = !appData.zippyPlay;
1114 appData.zippyPlay = FALSE;
1115 appData.zippyTalk = FALSE;
1116 appData.noChessProgram = TRUE;
1118 if (*appData.icsHelper != NULLCHAR) {
1119 appData.useTelnet = TRUE;
1120 appData.telnetProgram = appData.icsHelper;
1123 appData.zippyTalk = appData.zippyPlay = FALSE;
1126 /* [AS] Initialize pv info list [HGM] and game state */
1130 for( i=0; i<=framePtr; i++ ) {
1131 pvInfoList[i].depth = -1;
1132 boards[i][EP_STATUS] = EP_NONE;
1133 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1139 /* [AS] Adjudication threshold */
1140 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1142 InitEngine(&first, 0);
1143 InitEngine(&second, 1);
1146 pairing.which = "pairing"; // pairing engine
1147 pairing.pr = NoProc;
1149 pairing.program = appData.pairingEngine;
1150 pairing.host = "localhost";
1153 if (appData.icsActive) {
1154 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1155 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1156 appData.clockMode = FALSE;
1157 first.sendTime = second.sendTime = 0;
1161 /* Override some settings from environment variables, for backward
1162 compatibility. Unfortunately it's not feasible to have the env
1163 vars just set defaults, at least in xboard. Ugh.
1165 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1170 if (!appData.icsActive) {
1174 /* Check for variants that are supported only in ICS mode,
1175 or not at all. Some that are accepted here nevertheless
1176 have bugs; see comments below.
1178 VariantClass variant = StringToVariant(appData.variant);
1180 case VariantBughouse: /* need four players and two boards */
1181 case VariantKriegspiel: /* need to hide pieces and move details */
1182 /* case VariantFischeRandom: (Fabien: moved below) */
1183 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1184 if( (len >= MSG_SIZ) && appData.debugMode )
1185 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1187 DisplayFatalError(buf, 0, 2);
1190 case VariantUnknown:
1191 case VariantLoadable:
1201 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1202 if( (len >= MSG_SIZ) && appData.debugMode )
1203 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1205 DisplayFatalError(buf, 0, 2);
1208 case VariantNormal: /* definitely works! */
1209 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1210 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1213 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1214 case VariantFairy: /* [HGM] TestLegality definitely off! */
1215 case VariantGothic: /* [HGM] should work */
1216 case VariantCapablanca: /* [HGM] should work */
1217 case VariantCourier: /* [HGM] initial forced moves not implemented */
1218 case VariantShogi: /* [HGM] could still mate with pawn drop */
1219 case VariantChu: /* [HGM] experimental */
1220 case VariantKnightmate: /* [HGM] should work */
1221 case VariantCylinder: /* [HGM] untested */
1222 case VariantFalcon: /* [HGM] untested */
1223 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1224 offboard interposition not understood */
1225 case VariantWildCastle: /* pieces not automatically shuffled */
1226 case VariantNoCastle: /* pieces not automatically shuffled */
1227 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1228 case VariantLosers: /* should work except for win condition,
1229 and doesn't know captures are mandatory */
1230 case VariantSuicide: /* should work except for win condition,
1231 and doesn't know captures are mandatory */
1232 case VariantGiveaway: /* should work except for win condition,
1233 and doesn't know captures are mandatory */
1234 case VariantTwoKings: /* should work */
1235 case VariantAtomic: /* should work except for win condition */
1236 case Variant3Check: /* should work except for win condition */
1237 case VariantShatranj: /* should work except for all win conditions */
1238 case VariantMakruk: /* should work except for draw countdown */
1239 case VariantASEAN : /* should work except for draw countdown */
1240 case VariantBerolina: /* might work if TestLegality is off */
1241 case VariantCapaRandom: /* should work */
1242 case VariantJanus: /* should work */
1243 case VariantSuper: /* experimental */
1244 case VariantGreat: /* experimental, requires legality testing to be off */
1245 case VariantSChess: /* S-Chess, should work */
1246 case VariantGrand: /* should work */
1247 case VariantSpartan: /* should work */
1248 case VariantLion: /* should work */
1249 case VariantChuChess: /* should work */
1257 NextIntegerFromString (char ** str, long * value)
1262 while( *s == ' ' || *s == '\t' ) {
1268 if( *s >= '0' && *s <= '9' ) {
1269 while( *s >= '0' && *s <= '9' ) {
1270 *value = *value * 10 + (*s - '0');
1283 NextTimeControlFromString (char ** str, long * value)
1286 int result = NextIntegerFromString( str, &temp );
1289 *value = temp * 60; /* Minutes */
1290 if( **str == ':' ) {
1292 result = NextIntegerFromString( str, &temp );
1293 *value += temp; /* Seconds */
1301 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1302 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1303 int result = -1, type = 0; long temp, temp2;
1305 if(**str != ':') return -1; // old params remain in force!
1307 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1308 if( NextIntegerFromString( str, &temp ) ) return -1;
1309 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1312 /* time only: incremental or sudden-death time control */
1313 if(**str == '+') { /* increment follows; read it */
1315 if(**str == '!') type = *(*str)++; // Bronstein TC
1316 if(result = NextIntegerFromString( str, &temp2)) return -1;
1317 *inc = temp2 * 1000;
1318 if(**str == '.') { // read fraction of increment
1319 char *start = ++(*str);
1320 if(result = NextIntegerFromString( str, &temp2)) return -1;
1322 while(start++ < *str) temp2 /= 10;
1326 *moves = 0; *tc = temp * 1000; *incType = type;
1330 (*str)++; /* classical time control */
1331 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1343 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1344 { /* [HGM] get time to add from the multi-session time-control string */
1345 int incType, moves=1; /* kludge to force reading of first session */
1346 long time, increment;
1349 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1351 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1352 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1353 if(movenr == -1) return time; /* last move before new session */
1354 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1355 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1356 if(!moves) return increment; /* current session is incremental */
1357 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1358 } while(movenr >= -1); /* try again for next session */
1360 return 0; // no new time quota on this move
1364 ParseTimeControl (char *tc, float ti, int mps)
1368 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1371 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1372 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1373 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1377 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1379 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1382 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1384 snprintf(buf, MSG_SIZ, ":%s", mytc);
1386 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1388 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1393 /* Parse second time control */
1396 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1404 timeControl_2 = tc2 * 1000;
1414 timeControl = tc1 * 1000;
1417 timeIncrement = ti * 1000; /* convert to ms */
1418 movesPerSession = 0;
1421 movesPerSession = mps;
1429 if (appData.debugMode) {
1430 # ifdef __GIT_VERSION
1431 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1433 fprintf(debugFP, "Version: %s\n", programVersion);
1436 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1438 set_cont_sequence(appData.wrapContSeq);
1439 if (appData.matchGames > 0) {
1440 appData.matchMode = TRUE;
1441 } else if (appData.matchMode) {
1442 appData.matchGames = 1;
1444 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1445 appData.matchGames = appData.sameColorGames;
1446 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1447 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1448 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1451 if (appData.noChessProgram || first.protocolVersion == 1) {
1454 /* kludge: allow timeout for initial "feature" commands */
1456 DisplayMessage("", _("Starting chess program"));
1457 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1462 CalculateIndex (int index, int gameNr)
1463 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1465 if(index > 0) return index; // fixed nmber
1466 if(index == 0) return 1;
1467 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1468 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1473 LoadGameOrPosition (int gameNr)
1474 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1475 if (*appData.loadGameFile != NULLCHAR) {
1476 if (!LoadGameFromFile(appData.loadGameFile,
1477 CalculateIndex(appData.loadGameIndex, gameNr),
1478 appData.loadGameFile, FALSE)) {
1479 DisplayFatalError(_("Bad game file"), 0, 1);
1482 } else if (*appData.loadPositionFile != NULLCHAR) {
1483 if (!LoadPositionFromFile(appData.loadPositionFile,
1484 CalculateIndex(appData.loadPositionIndex, gameNr),
1485 appData.loadPositionFile)) {
1486 DisplayFatalError(_("Bad position file"), 0, 1);
1494 ReserveGame (int gameNr, char resChar)
1496 FILE *tf = fopen(appData.tourneyFile, "r+");
1497 char *p, *q, c, buf[MSG_SIZ];
1498 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1499 safeStrCpy(buf, lastMsg, MSG_SIZ);
1500 DisplayMessage(_("Pick new game"), "");
1501 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1502 ParseArgsFromFile(tf);
1503 p = q = appData.results;
1504 if(appData.debugMode) {
1505 char *r = appData.participants;
1506 fprintf(debugFP, "results = '%s'\n", p);
1507 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1508 fprintf(debugFP, "\n");
1510 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1512 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1513 safeStrCpy(q, p, strlen(p) + 2);
1514 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1515 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1516 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1517 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1520 fseek(tf, -(strlen(p)+4), SEEK_END);
1522 if(c != '"') // depending on DOS or Unix line endings we can be one off
1523 fseek(tf, -(strlen(p)+2), SEEK_END);
1524 else fseek(tf, -(strlen(p)+3), SEEK_END);
1525 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1526 DisplayMessage(buf, "");
1527 free(p); appData.results = q;
1528 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1529 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1530 int round = appData.defaultMatchGames * appData.tourneyType;
1531 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1532 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1533 UnloadEngine(&first); // next game belongs to other pairing;
1534 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1536 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1540 MatchEvent (int mode)
1541 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1543 if(matchMode) { // already in match mode: switch it off
1545 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1548 // if(gameMode != BeginningOfGame) {
1549 // DisplayError(_("You can only start a match from the initial position."), 0);
1553 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1554 /* Set up machine vs. machine match */
1556 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1557 if(appData.tourneyFile[0]) {
1559 if(nextGame > appData.matchGames) {
1561 if(strchr(appData.results, '*') == NULL) {
1563 appData.tourneyCycles++;
1564 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1566 NextTourneyGame(-1, &dummy);
1568 if(nextGame <= appData.matchGames) {
1569 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1571 ScheduleDelayedEvent(NextMatchGame, 10000);
1576 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1577 DisplayError(buf, 0);
1578 appData.tourneyFile[0] = 0;
1582 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1583 DisplayFatalError(_("Can't have a match with no chess programs"),
1588 matchGame = roundNr = 1;
1589 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1593 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1596 InitBackEnd3 P((void))
1598 GameMode initialMode;
1602 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1603 !strcmp(appData.variant, "normal") && // no explicit variant request
1604 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1605 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1606 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1607 char c, *q = first.variants, *p = strchr(q, ',');
1608 if(p) *p = NULLCHAR;
1609 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1611 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1612 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1613 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1614 Reset(TRUE, FALSE); // and re-initialize
1619 InitChessProgram(&first, startedFromSetupPosition);
1621 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1622 free(programVersion);
1623 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1624 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1625 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1628 if (appData.icsActive) {
1630 /* [DM] Make a console window if needed [HGM] merged ifs */
1636 if (*appData.icsCommPort != NULLCHAR)
1637 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1638 appData.icsCommPort);
1640 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1641 appData.icsHost, appData.icsPort);
1643 if( (len >= MSG_SIZ) && appData.debugMode )
1644 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1646 DisplayFatalError(buf, err, 1);
1651 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1653 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1654 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1655 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1656 } else if (appData.noChessProgram) {
1662 if (*appData.cmailGameName != NULLCHAR) {
1664 OpenLoopback(&cmailPR);
1666 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1670 DisplayMessage("", "");
1671 if (StrCaseCmp(appData.initialMode, "") == 0) {
1672 initialMode = BeginningOfGame;
1673 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1674 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1675 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1676 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1679 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1680 initialMode = TwoMachinesPlay;
1681 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1682 initialMode = AnalyzeFile;
1683 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1684 initialMode = AnalyzeMode;
1685 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1686 initialMode = MachinePlaysWhite;
1687 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1688 initialMode = MachinePlaysBlack;
1689 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1690 initialMode = EditGame;
1691 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1692 initialMode = EditPosition;
1693 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1694 initialMode = Training;
1696 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1697 if( (len >= MSG_SIZ) && appData.debugMode )
1698 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1700 DisplayFatalError(buf, 0, 2);
1704 if (appData.matchMode) {
1705 if(appData.tourneyFile[0]) { // start tourney from command line
1707 if(f = fopen(appData.tourneyFile, "r")) {
1708 ParseArgsFromFile(f); // make sure tourney parmeters re known
1710 appData.clockMode = TRUE;
1712 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1715 } else if (*appData.cmailGameName != NULLCHAR) {
1716 /* Set up cmail mode */
1717 ReloadCmailMsgEvent(TRUE);
1719 /* Set up other modes */
1720 if (initialMode == AnalyzeFile) {
1721 if (*appData.loadGameFile == NULLCHAR) {
1722 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1726 if (*appData.loadGameFile != NULLCHAR) {
1727 (void) LoadGameFromFile(appData.loadGameFile,
1728 appData.loadGameIndex,
1729 appData.loadGameFile, TRUE);
1730 } else if (*appData.loadPositionFile != NULLCHAR) {
1731 (void) LoadPositionFromFile(appData.loadPositionFile,
1732 appData.loadPositionIndex,
1733 appData.loadPositionFile);
1734 /* [HGM] try to make self-starting even after FEN load */
1735 /* to allow automatic setup of fairy variants with wtm */
1736 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1737 gameMode = BeginningOfGame;
1738 setboardSpoiledMachineBlack = 1;
1740 /* [HGM] loadPos: make that every new game uses the setup */
1741 /* from file as long as we do not switch variant */
1742 if(!blackPlaysFirst) {
1743 startedFromPositionFile = TRUE;
1744 CopyBoard(filePosition, boards[0]);
1745 CopyBoard(initialPosition, boards[0]);
1747 } else if(*appData.fen != NULLCHAR) {
1748 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1749 startedFromPositionFile = TRUE;
1753 if (initialMode == AnalyzeMode) {
1754 if (appData.noChessProgram) {
1755 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1758 if (appData.icsActive) {
1759 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1763 } else if (initialMode == AnalyzeFile) {
1764 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1765 ShowThinkingEvent();
1767 AnalysisPeriodicEvent(1);
1768 } else if (initialMode == MachinePlaysWhite) {
1769 if (appData.noChessProgram) {
1770 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1774 if (appData.icsActive) {
1775 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1779 MachineWhiteEvent();
1780 } else if (initialMode == MachinePlaysBlack) {
1781 if (appData.noChessProgram) {
1782 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1786 if (appData.icsActive) {
1787 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1791 MachineBlackEvent();
1792 } else if (initialMode == TwoMachinesPlay) {
1793 if (appData.noChessProgram) {
1794 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1798 if (appData.icsActive) {
1799 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1804 } else if (initialMode == EditGame) {
1806 } else if (initialMode == EditPosition) {
1807 EditPositionEvent();
1808 } else if (initialMode == Training) {
1809 if (*appData.loadGameFile == NULLCHAR) {
1810 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1819 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1821 DisplayBook(current+1);
1823 MoveHistorySet( movelist, first, last, current, pvInfoList );
1825 EvalGraphSet( first, last, current, pvInfoList );
1827 MakeEngineOutputTitle();
1831 * Establish will establish a contact to a remote host.port.
1832 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1833 * used to talk to the host.
1834 * Returns 0 if okay, error code if not.
1841 if (*appData.icsCommPort != NULLCHAR) {
1842 /* Talk to the host through a serial comm port */
1843 return OpenCommPort(appData.icsCommPort, &icsPR);
1845 } else if (*appData.gateway != NULLCHAR) {
1846 if (*appData.remoteShell == NULLCHAR) {
1847 /* Use the rcmd protocol to run telnet program on a gateway host */
1848 snprintf(buf, sizeof(buf), "%s %s %s",
1849 appData.telnetProgram, appData.icsHost, appData.icsPort);
1850 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1853 /* Use the rsh program to run telnet program on a gateway host */
1854 if (*appData.remoteUser == NULLCHAR) {
1855 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1856 appData.gateway, appData.telnetProgram,
1857 appData.icsHost, appData.icsPort);
1859 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1860 appData.remoteShell, appData.gateway,
1861 appData.remoteUser, appData.telnetProgram,
1862 appData.icsHost, appData.icsPort);
1864 return StartChildProcess(buf, "", &icsPR);
1867 } else if (appData.useTelnet) {
1868 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1871 /* TCP socket interface differs somewhat between
1872 Unix and NT; handle details in the front end.
1874 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1879 EscapeExpand (char *p, char *q)
1880 { // [HGM] initstring: routine to shape up string arguments
1881 while(*p++ = *q++) if(p[-1] == '\\')
1883 case 'n': p[-1] = '\n'; break;
1884 case 'r': p[-1] = '\r'; break;
1885 case 't': p[-1] = '\t'; break;
1886 case '\\': p[-1] = '\\'; break;
1887 case 0: *p = 0; return;
1888 default: p[-1] = q[-1]; break;
1893 show_bytes (FILE *fp, char *buf, int count)
1896 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1897 fprintf(fp, "\\%03o", *buf & 0xff);
1906 /* Returns an errno value */
1908 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1910 char buf[8192], *p, *q, *buflim;
1911 int left, newcount, outcount;
1913 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1914 *appData.gateway != NULLCHAR) {
1915 if (appData.debugMode) {
1916 fprintf(debugFP, ">ICS: ");
1917 show_bytes(debugFP, message, count);
1918 fprintf(debugFP, "\n");
1920 return OutputToProcess(pr, message, count, outError);
1923 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1930 if (appData.debugMode) {
1931 fprintf(debugFP, ">ICS: ");
1932 show_bytes(debugFP, buf, newcount);
1933 fprintf(debugFP, "\n");
1935 outcount = OutputToProcess(pr, buf, newcount, outError);
1936 if (outcount < newcount) return -1; /* to be sure */
1943 } else if (((unsigned char) *p) == TN_IAC) {
1944 *q++ = (char) TN_IAC;
1951 if (appData.debugMode) {
1952 fprintf(debugFP, ">ICS: ");
1953 show_bytes(debugFP, buf, newcount);
1954 fprintf(debugFP, "\n");
1956 outcount = OutputToProcess(pr, buf, newcount, outError);
1957 if (outcount < newcount) return -1; /* to be sure */
1962 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1964 int outError, outCount;
1965 static int gotEof = 0;
1968 /* Pass data read from player on to ICS */
1971 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1972 if (outCount < count) {
1973 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1975 if(have_sent_ICS_logon == 2) {
1976 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1977 fprintf(ini, "%s", message);
1978 have_sent_ICS_logon = 3;
1980 have_sent_ICS_logon = 1;
1981 } else if(have_sent_ICS_logon == 3) {
1982 fprintf(ini, "%s", message);
1984 have_sent_ICS_logon = 1;
1986 } else if (count < 0) {
1987 RemoveInputSource(isr);
1988 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1989 } else if (gotEof++ > 0) {
1990 RemoveInputSource(isr);
1991 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1997 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1998 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1999 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2000 SendToICS("date\n");
2001 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2004 /* added routine for printf style output to ics */
2006 ics_printf (char *format, ...)
2008 char buffer[MSG_SIZ];
2011 va_start(args, format);
2012 vsnprintf(buffer, sizeof(buffer), format, args);
2013 buffer[sizeof(buffer)-1] = '\0';
2021 int count, outCount, outError;
2023 if (icsPR == NoProc) return;
2026 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2027 if (outCount < count) {
2028 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2032 /* This is used for sending logon scripts to the ICS. Sending
2033 without a delay causes problems when using timestamp on ICC
2034 (at least on my machine). */
2036 SendToICSDelayed (char *s, long msdelay)
2038 int count, outCount, outError;
2040 if (icsPR == NoProc) return;
2043 if (appData.debugMode) {
2044 fprintf(debugFP, ">ICS: ");
2045 show_bytes(debugFP, s, count);
2046 fprintf(debugFP, "\n");
2048 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2050 if (outCount < count) {
2051 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2056 /* Remove all highlighting escape sequences in s
2057 Also deletes any suffix starting with '('
2060 StripHighlightAndTitle (char *s)
2062 static char retbuf[MSG_SIZ];
2065 while (*s != NULLCHAR) {
2066 while (*s == '\033') {
2067 while (*s != NULLCHAR && !isalpha(*s)) s++;
2068 if (*s != NULLCHAR) s++;
2070 while (*s != NULLCHAR && *s != '\033') {
2071 if (*s == '(' || *s == '[') {
2082 /* Remove all highlighting escape sequences in s */
2084 StripHighlight (char *s)
2086 static char retbuf[MSG_SIZ];
2089 while (*s != NULLCHAR) {
2090 while (*s == '\033') {
2091 while (*s != NULLCHAR && !isalpha(*s)) s++;
2092 if (*s != NULLCHAR) s++;
2094 while (*s != NULLCHAR && *s != '\033') {
2102 char engineVariant[MSG_SIZ];
2103 char *variantNames[] = VARIANT_NAMES;
2105 VariantName (VariantClass v)
2107 if(v == VariantUnknown || *engineVariant) return engineVariant;
2108 return variantNames[v];
2112 /* Identify a variant from the strings the chess servers use or the
2113 PGN Variant tag names we use. */
2115 StringToVariant (char *e)
2119 VariantClass v = VariantNormal;
2120 int i, found = FALSE;
2121 char buf[MSG_SIZ], c;
2126 /* [HGM] skip over optional board-size prefixes */
2127 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2128 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2129 while( *e++ != '_');
2132 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2136 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2137 if (p = StrCaseStr(e, variantNames[i])) {
2138 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2139 v = (VariantClass) i;
2146 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2147 || StrCaseStr(e, "wild/fr")
2148 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2149 v = VariantFischeRandom;
2150 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2151 (i = 1, p = StrCaseStr(e, "w"))) {
2153 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2160 case 0: /* FICS only, actually */
2162 /* Castling legal even if K starts on d-file */
2163 v = VariantWildCastle;
2168 /* Castling illegal even if K & R happen to start in
2169 normal positions. */
2170 v = VariantNoCastle;
2183 /* Castling legal iff K & R start in normal positions */
2189 /* Special wilds for position setup; unclear what to do here */
2190 v = VariantLoadable;
2193 /* Bizarre ICC game */
2194 v = VariantTwoKings;
2197 v = VariantKriegspiel;
2203 v = VariantFischeRandom;
2206 v = VariantCrazyhouse;
2209 v = VariantBughouse;
2215 /* Not quite the same as FICS suicide! */
2216 v = VariantGiveaway;
2222 v = VariantShatranj;
2225 /* Temporary names for future ICC types. The name *will* change in
2226 the next xboard/WinBoard release after ICC defines it. */
2264 v = VariantCapablanca;
2267 v = VariantKnightmate;
2273 v = VariantCylinder;
2279 v = VariantCapaRandom;
2282 v = VariantBerolina;
2294 /* Found "wild" or "w" in the string but no number;
2295 must assume it's normal chess. */
2299 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2300 if( (len >= MSG_SIZ) && appData.debugMode )
2301 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2303 DisplayError(buf, 0);
2309 if (appData.debugMode) {
2310 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2311 e, wnum, VariantName(v));
2316 static int leftover_start = 0, leftover_len = 0;
2317 char star_match[STAR_MATCH_N][MSG_SIZ];
2319 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2320 advance *index beyond it, and set leftover_start to the new value of
2321 *index; else return FALSE. If pattern contains the character '*', it
2322 matches any sequence of characters not containing '\r', '\n', or the
2323 character following the '*' (if any), and the matched sequence(s) are
2324 copied into star_match.
2327 looking_at ( char *buf, int *index, char *pattern)
2329 char *bufp = &buf[*index], *patternp = pattern;
2331 char *matchp = star_match[0];
2334 if (*patternp == NULLCHAR) {
2335 *index = leftover_start = bufp - buf;
2339 if (*bufp == NULLCHAR) return FALSE;
2340 if (*patternp == '*') {
2341 if (*bufp == *(patternp + 1)) {
2343 matchp = star_match[++star_count];
2347 } else if (*bufp == '\n' || *bufp == '\r') {
2349 if (*patternp == NULLCHAR)
2354 *matchp++ = *bufp++;
2358 if (*patternp != *bufp) return FALSE;
2365 SendToPlayer (char *data, int length)
2367 int error, outCount;
2368 outCount = OutputToProcess(NoProc, data, length, &error);
2369 if (outCount < length) {
2370 DisplayFatalError(_("Error writing to display"), error, 1);
2375 PackHolding (char packed[], char *holding)
2385 switch (runlength) {
2396 sprintf(q, "%d", runlength);
2408 /* Telnet protocol requests from the front end */
2410 TelnetRequest (unsigned char ddww, unsigned char option)
2412 unsigned char msg[3];
2413 int outCount, outError;
2415 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2417 if (appData.debugMode) {
2418 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2434 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2443 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2446 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2451 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2453 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2460 if (!appData.icsActive) return;
2461 TelnetRequest(TN_DO, TN_ECHO);
2467 if (!appData.icsActive) return;
2468 TelnetRequest(TN_DONT, TN_ECHO);
2472 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2474 /* put the holdings sent to us by the server on the board holdings area */
2475 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2479 if(gameInfo.holdingsWidth < 2) return;
2480 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2481 return; // prevent overwriting by pre-board holdings
2483 if( (int)lowestPiece >= BlackPawn ) {
2486 holdingsStartRow = BOARD_HEIGHT-1;
2489 holdingsColumn = BOARD_WIDTH-1;
2490 countsColumn = BOARD_WIDTH-2;
2491 holdingsStartRow = 0;
2495 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2496 board[i][holdingsColumn] = EmptySquare;
2497 board[i][countsColumn] = (ChessSquare) 0;
2499 while( (p=*holdings++) != NULLCHAR ) {
2500 piece = CharToPiece( ToUpper(p) );
2501 if(piece == EmptySquare) continue;
2502 /*j = (int) piece - (int) WhitePawn;*/
2503 j = PieceToNumber(piece);
2504 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2505 if(j < 0) continue; /* should not happen */
2506 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2507 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2508 board[holdingsStartRow+j*direction][countsColumn]++;
2514 VariantSwitch (Board board, VariantClass newVariant)
2516 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2517 static Board oldBoard;
2519 startedFromPositionFile = FALSE;
2520 if(gameInfo.variant == newVariant) return;
2522 /* [HGM] This routine is called each time an assignment is made to
2523 * gameInfo.variant during a game, to make sure the board sizes
2524 * are set to match the new variant. If that means adding or deleting
2525 * holdings, we shift the playing board accordingly
2526 * This kludge is needed because in ICS observe mode, we get boards
2527 * of an ongoing game without knowing the variant, and learn about the
2528 * latter only later. This can be because of the move list we requested,
2529 * in which case the game history is refilled from the beginning anyway,
2530 * but also when receiving holdings of a crazyhouse game. In the latter
2531 * case we want to add those holdings to the already received position.
2535 if (appData.debugMode) {
2536 fprintf(debugFP, "Switch board from %s to %s\n",
2537 VariantName(gameInfo.variant), VariantName(newVariant));
2538 setbuf(debugFP, NULL);
2540 shuffleOpenings = 0; /* [HGM] shuffle */
2541 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2545 newWidth = 9; newHeight = 9;
2546 gameInfo.holdingsSize = 7;
2547 case VariantBughouse:
2548 case VariantCrazyhouse:
2549 newHoldingsWidth = 2; break;
2553 newHoldingsWidth = 2;
2554 gameInfo.holdingsSize = 8;
2557 case VariantCapablanca:
2558 case VariantCapaRandom:
2561 newHoldingsWidth = gameInfo.holdingsSize = 0;
2564 if(newWidth != gameInfo.boardWidth ||
2565 newHeight != gameInfo.boardHeight ||
2566 newHoldingsWidth != gameInfo.holdingsWidth ) {
2568 /* shift position to new playing area, if needed */
2569 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2570 for(i=0; i<BOARD_HEIGHT; i++)
2571 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2572 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2574 for(i=0; i<newHeight; i++) {
2575 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2576 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2578 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2579 for(i=0; i<BOARD_HEIGHT; i++)
2580 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2581 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2584 board[HOLDINGS_SET] = 0;
2585 gameInfo.boardWidth = newWidth;
2586 gameInfo.boardHeight = newHeight;
2587 gameInfo.holdingsWidth = newHoldingsWidth;
2588 gameInfo.variant = newVariant;
2589 InitDrawingSizes(-2, 0);
2590 } else gameInfo.variant = newVariant;
2591 CopyBoard(oldBoard, board); // remember correctly formatted board
2592 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2593 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2596 static int loggedOn = FALSE;
2598 /*-- Game start info cache: --*/
2600 char gs_kind[MSG_SIZ];
2601 static char player1Name[128] = "";
2602 static char player2Name[128] = "";
2603 static char cont_seq[] = "\n\\ ";
2604 static int player1Rating = -1;
2605 static int player2Rating = -1;
2606 /*----------------------------*/
2608 ColorClass curColor = ColorNormal;
2609 int suppressKibitz = 0;
2612 Boolean soughtPending = FALSE;
2613 Boolean seekGraphUp;
2614 #define MAX_SEEK_ADS 200
2616 char *seekAdList[MAX_SEEK_ADS];
2617 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2618 float tcList[MAX_SEEK_ADS];
2619 char colorList[MAX_SEEK_ADS];
2620 int nrOfSeekAds = 0;
2621 int minRating = 1010, maxRating = 2800;
2622 int hMargin = 10, vMargin = 20, h, w;
2623 extern int squareSize, lineGap;
2628 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2629 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2630 if(r < minRating+100 && r >=0 ) r = minRating+100;
2631 if(r > maxRating) r = maxRating;
2632 if(tc < 1.f) tc = 1.f;
2633 if(tc > 95.f) tc = 95.f;
2634 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2635 y = ((double)r - minRating)/(maxRating - minRating)
2636 * (h-vMargin-squareSize/8-1) + vMargin;
2637 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2638 if(strstr(seekAdList[i], " u ")) color = 1;
2639 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2640 !strstr(seekAdList[i], "bullet") &&
2641 !strstr(seekAdList[i], "blitz") &&
2642 !strstr(seekAdList[i], "standard") ) color = 2;
2643 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2644 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2648 PlotSingleSeekAd (int i)
2654 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2656 char buf[MSG_SIZ], *ext = "";
2657 VariantClass v = StringToVariant(type);
2658 if(strstr(type, "wild")) {
2659 ext = type + 4; // append wild number
2660 if(v == VariantFischeRandom) type = "chess960"; else
2661 if(v == VariantLoadable) type = "setup"; else
2662 type = VariantName(v);
2664 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2665 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2666 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2667 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2668 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2669 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2670 seekNrList[nrOfSeekAds] = nr;
2671 zList[nrOfSeekAds] = 0;
2672 seekAdList[nrOfSeekAds++] = StrSave(buf);
2673 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2678 EraseSeekDot (int i)
2680 int x = xList[i], y = yList[i], d=squareSize/4, k;
2681 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2682 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2683 // now replot every dot that overlapped
2684 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2685 int xx = xList[k], yy = yList[k];
2686 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2687 DrawSeekDot(xx, yy, colorList[k]);
2692 RemoveSeekAd (int nr)
2695 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2697 if(seekAdList[i]) free(seekAdList[i]);
2698 seekAdList[i] = seekAdList[--nrOfSeekAds];
2699 seekNrList[i] = seekNrList[nrOfSeekAds];
2700 ratingList[i] = ratingList[nrOfSeekAds];
2701 colorList[i] = colorList[nrOfSeekAds];
2702 tcList[i] = tcList[nrOfSeekAds];
2703 xList[i] = xList[nrOfSeekAds];
2704 yList[i] = yList[nrOfSeekAds];
2705 zList[i] = zList[nrOfSeekAds];
2706 seekAdList[nrOfSeekAds] = NULL;
2712 MatchSoughtLine (char *line)
2714 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2715 int nr, base, inc, u=0; char dummy;
2717 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2718 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2720 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2721 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2722 // match: compact and save the line
2723 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2733 if(!seekGraphUp) return FALSE;
2734 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2735 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2737 DrawSeekBackground(0, 0, w, h);
2738 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2739 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2740 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2741 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2743 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2746 snprintf(buf, MSG_SIZ, "%d", i);
2747 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2750 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2751 for(i=1; i<100; i+=(i<10?1:5)) {
2752 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2753 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2754 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2756 snprintf(buf, MSG_SIZ, "%d", i);
2757 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2760 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2765 SeekGraphClick (ClickType click, int x, int y, int moving)
2767 static int lastDown = 0, displayed = 0, lastSecond;
2768 if(y < 0) return FALSE;
2769 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2770 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2771 if(!seekGraphUp) return FALSE;
2772 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2773 DrawPosition(TRUE, NULL);
2776 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2777 if(click == Release || moving) return FALSE;
2779 soughtPending = TRUE;
2780 SendToICS(ics_prefix);
2781 SendToICS("sought\n"); // should this be "sought all"?
2782 } else { // issue challenge based on clicked ad
2783 int dist = 10000; int i, closest = 0, second = 0;
2784 for(i=0; i<nrOfSeekAds; i++) {
2785 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2786 if(d < dist) { dist = d; closest = i; }
2787 second += (d - zList[i] < 120); // count in-range ads
2788 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2792 second = (second > 1);
2793 if(displayed != closest || second != lastSecond) {
2794 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2795 lastSecond = second; displayed = closest;
2797 if(click == Press) {
2798 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2801 } // on press 'hit', only show info
2802 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2803 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2804 SendToICS(ics_prefix);
2806 return TRUE; // let incoming board of started game pop down the graph
2807 } else if(click == Release) { // release 'miss' is ignored
2808 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2809 if(moving == 2) { // right up-click
2810 nrOfSeekAds = 0; // refresh graph
2811 soughtPending = TRUE;
2812 SendToICS(ics_prefix);
2813 SendToICS("sought\n"); // should this be "sought all"?
2816 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2817 // press miss or release hit 'pop down' seek graph
2818 seekGraphUp = FALSE;
2819 DrawPosition(TRUE, NULL);
2825 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2827 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2828 #define STARTED_NONE 0
2829 #define STARTED_MOVES 1
2830 #define STARTED_BOARD 2
2831 #define STARTED_OBSERVE 3
2832 #define STARTED_HOLDINGS 4
2833 #define STARTED_CHATTER 5
2834 #define STARTED_COMMENT 6
2835 #define STARTED_MOVES_NOHIDE 7
2837 static int started = STARTED_NONE;
2838 static char parse[20000];
2839 static int parse_pos = 0;
2840 static char buf[BUF_SIZE + 1];
2841 static int firstTime = TRUE, intfSet = FALSE;
2842 static ColorClass prevColor = ColorNormal;
2843 static int savingComment = FALSE;
2844 static int cmatch = 0; // continuation sequence match
2851 int backup; /* [DM] For zippy color lines */
2853 char talker[MSG_SIZ]; // [HGM] chat
2854 int channel, collective=0;
2856 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2858 if (appData.debugMode) {
2860 fprintf(debugFP, "<ICS: ");
2861 show_bytes(debugFP, data, count);
2862 fprintf(debugFP, "\n");
2866 if (appData.debugMode) { int f = forwardMostMove;
2867 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2868 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2869 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2872 /* If last read ended with a partial line that we couldn't parse,
2873 prepend it to the new read and try again. */
2874 if (leftover_len > 0) {
2875 for (i=0; i<leftover_len; i++)
2876 buf[i] = buf[leftover_start + i];
2879 /* copy new characters into the buffer */
2880 bp = buf + leftover_len;
2881 buf_len=leftover_len;
2882 for (i=0; i<count; i++)
2885 if (data[i] == '\r')
2888 // join lines split by ICS?
2889 if (!appData.noJoin)
2892 Joining just consists of finding matches against the
2893 continuation sequence, and discarding that sequence
2894 if found instead of copying it. So, until a match
2895 fails, there's nothing to do since it might be the
2896 complete sequence, and thus, something we don't want
2899 if (data[i] == cont_seq[cmatch])
2902 if (cmatch == strlen(cont_seq))
2904 cmatch = 0; // complete match. just reset the counter
2907 it's possible for the ICS to not include the space
2908 at the end of the last word, making our [correct]
2909 join operation fuse two separate words. the server
2910 does this when the space occurs at the width setting.
2912 if (!buf_len || buf[buf_len-1] != ' ')
2923 match failed, so we have to copy what matched before
2924 falling through and copying this character. In reality,
2925 this will only ever be just the newline character, but
2926 it doesn't hurt to be precise.
2928 strncpy(bp, cont_seq, cmatch);
2940 buf[buf_len] = NULLCHAR;
2941 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2946 while (i < buf_len) {
2947 /* Deal with part of the TELNET option negotiation
2948 protocol. We refuse to do anything beyond the
2949 defaults, except that we allow the WILL ECHO option,
2950 which ICS uses to turn off password echoing when we are
2951 directly connected to it. We reject this option
2952 if localLineEditing mode is on (always on in xboard)
2953 and we are talking to port 23, which might be a real
2954 telnet server that will try to keep WILL ECHO on permanently.
2956 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2957 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2958 unsigned char option;
2960 switch ((unsigned char) buf[++i]) {
2962 if (appData.debugMode)
2963 fprintf(debugFP, "\n<WILL ");
2964 switch (option = (unsigned char) buf[++i]) {
2966 if (appData.debugMode)
2967 fprintf(debugFP, "ECHO ");
2968 /* Reply only if this is a change, according
2969 to the protocol rules. */
2970 if (remoteEchoOption) break;
2971 if (appData.localLineEditing &&
2972 atoi(appData.icsPort) == TN_PORT) {
2973 TelnetRequest(TN_DONT, TN_ECHO);
2976 TelnetRequest(TN_DO, TN_ECHO);
2977 remoteEchoOption = TRUE;
2981 if (appData.debugMode)
2982 fprintf(debugFP, "%d ", option);
2983 /* Whatever this is, we don't want it. */
2984 TelnetRequest(TN_DONT, option);
2989 if (appData.debugMode)
2990 fprintf(debugFP, "\n<WONT ");
2991 switch (option = (unsigned char) buf[++i]) {
2993 if (appData.debugMode)
2994 fprintf(debugFP, "ECHO ");
2995 /* Reply only if this is a change, according
2996 to the protocol rules. */
2997 if (!remoteEchoOption) break;
2999 TelnetRequest(TN_DONT, TN_ECHO);
3000 remoteEchoOption = FALSE;
3003 if (appData.debugMode)
3004 fprintf(debugFP, "%d ", (unsigned char) option);
3005 /* Whatever this is, it must already be turned
3006 off, because we never agree to turn on
3007 anything non-default, so according to the
3008 protocol rules, we don't reply. */
3013 if (appData.debugMode)
3014 fprintf(debugFP, "\n<DO ");
3015 switch (option = (unsigned char) buf[++i]) {
3017 /* Whatever this is, we refuse to do it. */
3018 if (appData.debugMode)
3019 fprintf(debugFP, "%d ", option);
3020 TelnetRequest(TN_WONT, option);
3025 if (appData.debugMode)
3026 fprintf(debugFP, "\n<DONT ");
3027 switch (option = (unsigned char) buf[++i]) {
3029 if (appData.debugMode)
3030 fprintf(debugFP, "%d ", option);
3031 /* Whatever this is, we are already not doing
3032 it, because we never agree to do anything
3033 non-default, so according to the protocol
3034 rules, we don't reply. */
3039 if (appData.debugMode)
3040 fprintf(debugFP, "\n<IAC ");
3041 /* Doubled IAC; pass it through */
3045 if (appData.debugMode)
3046 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3047 /* Drop all other telnet commands on the floor */
3050 if (oldi > next_out)
3051 SendToPlayer(&buf[next_out], oldi - next_out);
3057 /* OK, this at least will *usually* work */
3058 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3062 if (loggedOn && !intfSet) {
3063 if (ics_type == ICS_ICC) {
3064 snprintf(str, MSG_SIZ,
3065 "/set-quietly interface %s\n/set-quietly style 12\n",
3067 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3068 strcat(str, "/set-2 51 1\n/set seek 1\n");
3069 } else if (ics_type == ICS_CHESSNET) {
3070 snprintf(str, MSG_SIZ, "/style 12\n");
3072 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3073 strcat(str, programVersion);
3074 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3075 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3076 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3078 strcat(str, "$iset nohighlight 1\n");
3080 strcat(str, "$iset lock 1\n$style 12\n");
3083 NotifyFrontendLogin();
3087 if (started == STARTED_COMMENT) {
3088 /* Accumulate characters in comment */
3089 parse[parse_pos++] = buf[i];
3090 if (buf[i] == '\n') {
3091 parse[parse_pos] = NULLCHAR;
3092 if(chattingPartner>=0) {
3094 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3095 OutputChatMessage(chattingPartner, mess);
3096 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3098 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3099 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3100 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3101 OutputChatMessage(p, mess);
3105 chattingPartner = -1;
3106 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3109 if(!suppressKibitz) // [HGM] kibitz
3110 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3111 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3112 int nrDigit = 0, nrAlph = 0, j;
3113 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3114 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3115 parse[parse_pos] = NULLCHAR;
3116 // try to be smart: if it does not look like search info, it should go to
3117 // ICS interaction window after all, not to engine-output window.
3118 for(j=0; j<parse_pos; j++) { // count letters and digits
3119 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3120 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3121 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3123 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3124 int depth=0; float score;
3125 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3126 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3127 pvInfoList[forwardMostMove-1].depth = depth;
3128 pvInfoList[forwardMostMove-1].score = 100*score;
3130 OutputKibitz(suppressKibitz, parse);
3133 if(gameMode == IcsObserving) // restore original ICS messages
3134 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3135 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3137 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3138 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3139 SendToPlayer(tmp, strlen(tmp));
3141 next_out = i+1; // [HGM] suppress printing in ICS window
3143 started = STARTED_NONE;
3145 /* Don't match patterns against characters in comment */
3150 if (started == STARTED_CHATTER) {
3151 if (buf[i] != '\n') {
3152 /* Don't match patterns against characters in chatter */
3156 started = STARTED_NONE;
3157 if(suppressKibitz) next_out = i+1;
3160 /* Kludge to deal with rcmd protocol */
3161 if (firstTime && looking_at(buf, &i, "\001*")) {
3162 DisplayFatalError(&buf[1], 0, 1);
3168 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3171 if (appData.debugMode)
3172 fprintf(debugFP, "ics_type %d\n", ics_type);
3175 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3176 ics_type = ICS_FICS;
3178 if (appData.debugMode)
3179 fprintf(debugFP, "ics_type %d\n", ics_type);
3182 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3183 ics_type = ICS_CHESSNET;
3185 if (appData.debugMode)
3186 fprintf(debugFP, "ics_type %d\n", ics_type);
3191 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3192 looking_at(buf, &i, "Logging you in as \"*\"") ||
3193 looking_at(buf, &i, "will be \"*\""))) {
3194 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3198 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3200 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3201 DisplayIcsInteractionTitle(buf);
3202 have_set_title = TRUE;
3205 /* skip finger notes */
3206 if (started == STARTED_NONE &&
3207 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3208 (buf[i] == '1' && buf[i+1] == '0')) &&
3209 buf[i+2] == ':' && buf[i+3] == ' ') {
3210 started = STARTED_CHATTER;
3216 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3217 if(appData.seekGraph) {
3218 if(soughtPending && MatchSoughtLine(buf+i)) {
3219 i = strstr(buf+i, "rated") - buf;
3220 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3221 next_out = leftover_start = i;
3222 started = STARTED_CHATTER;
3223 suppressKibitz = TRUE;
3226 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3227 && looking_at(buf, &i, "* ads displayed")) {
3228 soughtPending = FALSE;
3233 if(appData.autoRefresh) {
3234 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3235 int s = (ics_type == ICS_ICC); // ICC format differs
3237 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3238 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3239 looking_at(buf, &i, "*% "); // eat prompt
3240 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3241 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3242 next_out = i; // suppress
3245 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3246 char *p = star_match[0];
3248 if(seekGraphUp) RemoveSeekAd(atoi(p));
3249 while(*p && *p++ != ' '); // next
3251 looking_at(buf, &i, "*% "); // eat prompt
3252 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3259 /* skip formula vars */
3260 if (started == STARTED_NONE &&
3261 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3262 started = STARTED_CHATTER;
3267 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3268 if (appData.autoKibitz && started == STARTED_NONE &&
3269 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3270 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3271 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3272 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3273 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3274 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3275 suppressKibitz = TRUE;
3276 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3278 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3279 && (gameMode == IcsPlayingWhite)) ||
3280 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3281 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3282 started = STARTED_CHATTER; // own kibitz we simply discard
3284 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3285 parse_pos = 0; parse[0] = NULLCHAR;
3286 savingComment = TRUE;
3287 suppressKibitz = gameMode != IcsObserving ? 2 :
3288 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3292 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3293 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3294 && atoi(star_match[0])) {
3295 // suppress the acknowledgements of our own autoKibitz
3297 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3298 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3299 SendToPlayer(star_match[0], strlen(star_match[0]));
3300 if(looking_at(buf, &i, "*% ")) // eat prompt
3301 suppressKibitz = FALSE;
3305 } // [HGM] kibitz: end of patch
3307 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3309 // [HGM] chat: intercept tells by users for which we have an open chat window
3311 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3312 looking_at(buf, &i, "* whispers:") ||
3313 looking_at(buf, &i, "* kibitzes:") ||
3314 looking_at(buf, &i, "* shouts:") ||
3315 looking_at(buf, &i, "* c-shouts:") ||
3316 looking_at(buf, &i, "--> * ") ||
3317 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3318 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3319 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3322 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3323 chattingPartner = -1; collective = 0;
3325 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3326 for(p=0; p<MAX_CHAT; p++) {
3328 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3329 talker[0] = '['; strcat(talker, "] ");
3330 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3331 chattingPartner = p; break;
3334 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3335 for(p=0; p<MAX_CHAT; p++) {
3337 if(!strcmp("kibitzes", chatPartner[p])) {
3338 talker[0] = '['; strcat(talker, "] ");
3339 chattingPartner = p; break;
3342 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3343 for(p=0; p<MAX_CHAT; p++) {
3345 if(!strcmp("whispers", chatPartner[p])) {
3346 talker[0] = '['; strcat(talker, "] ");
3347 chattingPartner = p; break;
3350 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3351 if(buf[i-8] == '-' && buf[i-3] == 't')
3352 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3354 if(!strcmp("c-shouts", chatPartner[p])) {
3355 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3356 chattingPartner = p; break;
3359 if(chattingPartner < 0)
3360 for(p=0; p<MAX_CHAT; p++) {
3362 if(!strcmp("shouts", chatPartner[p])) {
3363 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3364 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3365 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3366 chattingPartner = p; break;
3370 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3371 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3373 Colorize(ColorTell, FALSE);
3374 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3376 chattingPartner = p; break;
3378 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3379 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3380 started = STARTED_COMMENT;
3381 parse_pos = 0; parse[0] = NULLCHAR;
3382 savingComment = 3 + chattingPartner; // counts as TRUE
3383 if(collective == 3) i = oldi; else {
3384 suppressKibitz = TRUE;
3385 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3386 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3390 } // [HGM] chat: end of patch
3393 if (appData.zippyTalk || appData.zippyPlay) {
3394 /* [DM] Backup address for color zippy lines */
3396 if (loggedOn == TRUE)
3397 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3398 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3401 } // [DM] 'else { ' deleted
3403 /* Regular tells and says */
3404 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3405 looking_at(buf, &i, "* (your partner) tells you: ") ||
3406 looking_at(buf, &i, "* says: ") ||
3407 /* Don't color "message" or "messages" output */
3408 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3409 looking_at(buf, &i, "*. * at *:*: ") ||
3410 looking_at(buf, &i, "--* (*:*): ") ||
3411 /* Message notifications (same color as tells) */
3412 looking_at(buf, &i, "* has left a message ") ||
3413 looking_at(buf, &i, "* just sent you a message:\n") ||
3414 /* Whispers and kibitzes */
3415 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3416 looking_at(buf, &i, "* kibitzes: ") ||
3418 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3420 if (tkind == 1 && strchr(star_match[0], ':')) {
3421 /* Avoid "tells you:" spoofs in channels */
3424 if (star_match[0][0] == NULLCHAR ||
3425 strchr(star_match[0], ' ') ||
3426 (tkind == 3 && strchr(star_match[1], ' '))) {
3427 /* Reject bogus matches */
3430 if (appData.colorize) {
3431 if (oldi > next_out) {
3432 SendToPlayer(&buf[next_out], oldi - next_out);
3437 Colorize(ColorTell, FALSE);
3438 curColor = ColorTell;
3441 Colorize(ColorKibitz, FALSE);
3442 curColor = ColorKibitz;
3445 p = strrchr(star_match[1], '(');
3452 Colorize(ColorChannel1, FALSE);
3453 curColor = ColorChannel1;
3455 Colorize(ColorChannel, FALSE);
3456 curColor = ColorChannel;
3460 curColor = ColorNormal;
3464 if (started == STARTED_NONE && appData.autoComment &&
3465 (gameMode == IcsObserving ||
3466 gameMode == IcsPlayingWhite ||
3467 gameMode == IcsPlayingBlack)) {
3468 parse_pos = i - oldi;
3469 memcpy(parse, &buf[oldi], parse_pos);
3470 parse[parse_pos] = NULLCHAR;
3471 started = STARTED_COMMENT;
3472 savingComment = TRUE;
3473 } else if(collective != 3) {
3474 started = STARTED_CHATTER;
3475 savingComment = FALSE;
3482 if (looking_at(buf, &i, "* s-shouts: ") ||
3483 looking_at(buf, &i, "* c-shouts: ")) {
3484 if (appData.colorize) {
3485 if (oldi > next_out) {
3486 SendToPlayer(&buf[next_out], oldi - next_out);
3489 Colorize(ColorSShout, FALSE);
3490 curColor = ColorSShout;
3493 started = STARTED_CHATTER;
3497 if (looking_at(buf, &i, "--->")) {
3502 if (looking_at(buf, &i, "* shouts: ") ||
3503 looking_at(buf, &i, "--> ")) {
3504 if (appData.colorize) {
3505 if (oldi > next_out) {
3506 SendToPlayer(&buf[next_out], oldi - next_out);
3509 Colorize(ColorShout, FALSE);
3510 curColor = ColorShout;
3513 started = STARTED_CHATTER;
3517 if (looking_at( buf, &i, "Challenge:")) {
3518 if (appData.colorize) {
3519 if (oldi > next_out) {
3520 SendToPlayer(&buf[next_out], oldi - next_out);
3523 Colorize(ColorChallenge, FALSE);
3524 curColor = ColorChallenge;
3530 if (looking_at(buf, &i, "* offers you") ||
3531 looking_at(buf, &i, "* offers to be") ||
3532 looking_at(buf, &i, "* would like to") ||
3533 looking_at(buf, &i, "* requests to") ||
3534 looking_at(buf, &i, "Your opponent offers") ||
3535 looking_at(buf, &i, "Your opponent requests")) {
3537 if (appData.colorize) {
3538 if (oldi > next_out) {
3539 SendToPlayer(&buf[next_out], oldi - next_out);
3542 Colorize(ColorRequest, FALSE);
3543 curColor = ColorRequest;
3548 if (looking_at(buf, &i, "* (*) seeking")) {
3549 if (appData.colorize) {
3550 if (oldi > next_out) {
3551 SendToPlayer(&buf[next_out], oldi - next_out);
3554 Colorize(ColorSeek, FALSE);
3555 curColor = ColorSeek;
3560 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3562 if (looking_at(buf, &i, "\\ ")) {
3563 if (prevColor != ColorNormal) {
3564 if (oldi > next_out) {
3565 SendToPlayer(&buf[next_out], oldi - next_out);
3568 Colorize(prevColor, TRUE);
3569 curColor = prevColor;
3571 if (savingComment) {
3572 parse_pos = i - oldi;
3573 memcpy(parse, &buf[oldi], parse_pos);
3574 parse[parse_pos] = NULLCHAR;
3575 started = STARTED_COMMENT;
3576 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3577 chattingPartner = savingComment - 3; // kludge to remember the box
3579 started = STARTED_CHATTER;
3584 if (looking_at(buf, &i, "Black Strength :") ||
3585 looking_at(buf, &i, "<<< style 10 board >>>") ||
3586 looking_at(buf, &i, "<10>") ||
3587 looking_at(buf, &i, "#@#")) {
3588 /* Wrong board style */
3590 SendToICS(ics_prefix);
3591 SendToICS("set style 12\n");
3592 SendToICS(ics_prefix);
3593 SendToICS("refresh\n");
3597 if (looking_at(buf, &i, "login:")) {
3598 if (!have_sent_ICS_logon) {
3600 have_sent_ICS_logon = 1;
3601 else // no init script was found
3602 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3603 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3604 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3609 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3610 (looking_at(buf, &i, "\n<12> ") ||
3611 looking_at(buf, &i, "<12> "))) {
3613 if (oldi > next_out) {
3614 SendToPlayer(&buf[next_out], oldi - next_out);
3617 started = STARTED_BOARD;
3622 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3623 looking_at(buf, &i, "<b1> ")) {
3624 if (oldi > next_out) {
3625 SendToPlayer(&buf[next_out], oldi - next_out);
3628 started = STARTED_HOLDINGS;
3633 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3635 /* Header for a move list -- first line */
3637 switch (ics_getting_history) {
3641 case BeginningOfGame:
3642 /* User typed "moves" or "oldmoves" while we
3643 were idle. Pretend we asked for these
3644 moves and soak them up so user can step
3645 through them and/or save them.
3648 gameMode = IcsObserving;
3651 ics_getting_history = H_GOT_UNREQ_HEADER;
3653 case EditGame: /*?*/
3654 case EditPosition: /*?*/
3655 /* Should above feature work in these modes too? */
3656 /* For now it doesn't */
3657 ics_getting_history = H_GOT_UNWANTED_HEADER;
3660 ics_getting_history = H_GOT_UNWANTED_HEADER;
3665 /* Is this the right one? */
3666 if (gameInfo.white && gameInfo.black &&
3667 strcmp(gameInfo.white, star_match[0]) == 0 &&
3668 strcmp(gameInfo.black, star_match[2]) == 0) {
3670 ics_getting_history = H_GOT_REQ_HEADER;
3673 case H_GOT_REQ_HEADER:
3674 case H_GOT_UNREQ_HEADER:
3675 case H_GOT_UNWANTED_HEADER:
3676 case H_GETTING_MOVES:
3677 /* Should not happen */
3678 DisplayError(_("Error gathering move list: two headers"), 0);
3679 ics_getting_history = H_FALSE;
3683 /* Save player ratings into gameInfo if needed */
3684 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3685 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3686 (gameInfo.whiteRating == -1 ||
3687 gameInfo.blackRating == -1)) {
3689 gameInfo.whiteRating = string_to_rating(star_match[1]);
3690 gameInfo.blackRating = string_to_rating(star_match[3]);
3691 if (appData.debugMode)
3692 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3693 gameInfo.whiteRating, gameInfo.blackRating);
3698 if (looking_at(buf, &i,
3699 "* * match, initial time: * minute*, increment: * second")) {
3700 /* Header for a move list -- second line */
3701 /* Initial board will follow if this is a wild game */
3702 if (gameInfo.event != NULL) free(gameInfo.event);
3703 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3704 gameInfo.event = StrSave(str);
3705 /* [HGM] we switched variant. Translate boards if needed. */
3706 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3710 if (looking_at(buf, &i, "Move ")) {
3711 /* Beginning of a move list */
3712 switch (ics_getting_history) {
3714 /* Normally should not happen */
3715 /* Maybe user hit reset while we were parsing */
3718 /* Happens if we are ignoring a move list that is not
3719 * the one we just requested. Common if the user
3720 * tries to observe two games without turning off
3723 case H_GETTING_MOVES:
3724 /* Should not happen */
3725 DisplayError(_("Error gathering move list: nested"), 0);
3726 ics_getting_history = H_FALSE;
3728 case H_GOT_REQ_HEADER:
3729 ics_getting_history = H_GETTING_MOVES;
3730 started = STARTED_MOVES;
3732 if (oldi > next_out) {
3733 SendToPlayer(&buf[next_out], oldi - next_out);
3736 case H_GOT_UNREQ_HEADER:
3737 ics_getting_history = H_GETTING_MOVES;
3738 started = STARTED_MOVES_NOHIDE;
3741 case H_GOT_UNWANTED_HEADER:
3742 ics_getting_history = H_FALSE;
3748 if (looking_at(buf, &i, "% ") ||
3749 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3750 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3751 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3752 soughtPending = FALSE;
3756 if(suppressKibitz) next_out = i;
3757 savingComment = FALSE;
3761 case STARTED_MOVES_NOHIDE:
3762 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3763 parse[parse_pos + i - oldi] = NULLCHAR;
3764 ParseGameHistory(parse);
3766 if (appData.zippyPlay && first.initDone) {
3767 FeedMovesToProgram(&first, forwardMostMove);
3768 if (gameMode == IcsPlayingWhite) {
3769 if (WhiteOnMove(forwardMostMove)) {
3770 if (first.sendTime) {
3771 if (first.useColors) {
3772 SendToProgram("black\n", &first);
3774 SendTimeRemaining(&first, TRUE);
3776 if (first.useColors) {
3777 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3779 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3780 first.maybeThinking = TRUE;
3782 if (first.usePlayother) {
3783 if (first.sendTime) {
3784 SendTimeRemaining(&first, TRUE);
3786 SendToProgram("playother\n", &first);
3792 } else if (gameMode == IcsPlayingBlack) {
3793 if (!WhiteOnMove(forwardMostMove)) {
3794 if (first.sendTime) {
3795 if (first.useColors) {
3796 SendToProgram("white\n", &first);
3798 SendTimeRemaining(&first, FALSE);
3800 if (first.useColors) {
3801 SendToProgram("black\n", &first);
3803 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3804 first.maybeThinking = TRUE;
3806 if (first.usePlayother) {
3807 if (first.sendTime) {
3808 SendTimeRemaining(&first, FALSE);
3810 SendToProgram("playother\n", &first);
3819 if (gameMode == IcsObserving && ics_gamenum == -1) {
3820 /* Moves came from oldmoves or moves command
3821 while we weren't doing anything else.
3823 currentMove = forwardMostMove;
3824 ClearHighlights();/*!!could figure this out*/
3825 flipView = appData.flipView;
3826 DrawPosition(TRUE, boards[currentMove]);
3827 DisplayBothClocks();
3828 snprintf(str, MSG_SIZ, "%s %s %s",
3829 gameInfo.white, _("vs."), gameInfo.black);
3833 /* Moves were history of an active game */
3834 if (gameInfo.resultDetails != NULL) {
3835 free(gameInfo.resultDetails);
3836 gameInfo.resultDetails = NULL;
3839 HistorySet(parseList, backwardMostMove,
3840 forwardMostMove, currentMove-1);
3841 DisplayMove(currentMove - 1);
3842 if (started == STARTED_MOVES) next_out = i;
3843 started = STARTED_NONE;
3844 ics_getting_history = H_FALSE;
3847 case STARTED_OBSERVE:
3848 started = STARTED_NONE;
3849 SendToICS(ics_prefix);
3850 SendToICS("refresh\n");
3856 if(bookHit) { // [HGM] book: simulate book reply
3857 static char bookMove[MSG_SIZ]; // a bit generous?
3859 programStats.nodes = programStats.depth = programStats.time =
3860 programStats.score = programStats.got_only_move = 0;
3861 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3863 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3864 strcat(bookMove, bookHit);
3865 HandleMachineMove(bookMove, &first);
3870 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3871 started == STARTED_HOLDINGS ||
3872 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3873 /* Accumulate characters in move list or board */
3874 parse[parse_pos++] = buf[i];
3877 /* Start of game messages. Mostly we detect start of game
3878 when the first board image arrives. On some versions
3879 of the ICS, though, we need to do a "refresh" after starting
3880 to observe in order to get the current board right away. */
3881 if (looking_at(buf, &i, "Adding game * to observation list")) {
3882 started = STARTED_OBSERVE;
3886 /* Handle auto-observe */
3887 if (appData.autoObserve &&
3888 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3889 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3891 /* Choose the player that was highlighted, if any. */
3892 if (star_match[0][0] == '\033' ||
3893 star_match[1][0] != '\033') {
3894 player = star_match[0];
3896 player = star_match[2];
3898 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3899 ics_prefix, StripHighlightAndTitle(player));
3902 /* Save ratings from notify string */
3903 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3904 player1Rating = string_to_rating(star_match[1]);
3905 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3906 player2Rating = string_to_rating(star_match[3]);
3908 if (appData.debugMode)
3910 "Ratings from 'Game notification:' %s %d, %s %d\n",
3911 player1Name, player1Rating,
3912 player2Name, player2Rating);
3917 /* Deal with automatic examine mode after a game,
3918 and with IcsObserving -> IcsExamining transition */
3919 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3920 looking_at(buf, &i, "has made you an examiner of game *")) {
3922 int gamenum = atoi(star_match[0]);
3923 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3924 gamenum == ics_gamenum) {
3925 /* We were already playing or observing this game;
3926 no need to refetch history */
3927 gameMode = IcsExamining;
3929 pauseExamForwardMostMove = forwardMostMove;
3930 } else if (currentMove < forwardMostMove) {
3931 ForwardInner(forwardMostMove);
3934 /* I don't think this case really can happen */
3935 SendToICS(ics_prefix);
3936 SendToICS("refresh\n");
3941 /* Error messages */
3942 // if (ics_user_moved) {
3943 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3944 if (looking_at(buf, &i, "Illegal move") ||
3945 looking_at(buf, &i, "Not a legal move") ||
3946 looking_at(buf, &i, "Your king is in check") ||
3947 looking_at(buf, &i, "It isn't your turn") ||
3948 looking_at(buf, &i, "It is not your move")) {
3950 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3951 currentMove = forwardMostMove-1;
3952 DisplayMove(currentMove - 1); /* before DMError */
3953 DrawPosition(FALSE, boards[currentMove]);
3954 SwitchClocks(forwardMostMove-1); // [HGM] race
3955 DisplayBothClocks();
3957 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3963 if (looking_at(buf, &i, "still have time") ||
3964 looking_at(buf, &i, "not out of time") ||
3965 looking_at(buf, &i, "either player is out of time") ||
3966 looking_at(buf, &i, "has timeseal; checking")) {
3967 /* We must have called his flag a little too soon */
3968 whiteFlag = blackFlag = FALSE;
3972 if (looking_at(buf, &i, "added * seconds to") ||
3973 looking_at(buf, &i, "seconds were added to")) {
3974 /* Update the clocks */
3975 SendToICS(ics_prefix);
3976 SendToICS("refresh\n");
3980 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3981 ics_clock_paused = TRUE;
3986 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3987 ics_clock_paused = FALSE;
3992 /* Grab player ratings from the Creating: message.
3993 Note we have to check for the special case when
3994 the ICS inserts things like [white] or [black]. */
3995 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3996 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3998 0 player 1 name (not necessarily white)
4000 2 empty, white, or black (IGNORED)
4001 3 player 2 name (not necessarily black)
4004 The names/ratings are sorted out when the game
4005 actually starts (below).
4007 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4008 player1Rating = string_to_rating(star_match[1]);
4009 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4010 player2Rating = string_to_rating(star_match[4]);
4012 if (appData.debugMode)
4014 "Ratings from 'Creating:' %s %d, %s %d\n",
4015 player1Name, player1Rating,
4016 player2Name, player2Rating);
4021 /* Improved generic start/end-of-game messages */
4022 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4023 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4024 /* If tkind == 0: */
4025 /* star_match[0] is the game number */
4026 /* [1] is the white player's name */
4027 /* [2] is the black player's name */
4028 /* For end-of-game: */
4029 /* [3] is the reason for the game end */
4030 /* [4] is a PGN end game-token, preceded by " " */
4031 /* For start-of-game: */
4032 /* [3] begins with "Creating" or "Continuing" */
4033 /* [4] is " *" or empty (don't care). */
4034 int gamenum = atoi(star_match[0]);
4035 char *whitename, *blackname, *why, *endtoken;
4036 ChessMove endtype = EndOfFile;
4039 whitename = star_match[1];
4040 blackname = star_match[2];
4041 why = star_match[3];
4042 endtoken = star_match[4];
4044 whitename = star_match[1];
4045 blackname = star_match[3];
4046 why = star_match[5];
4047 endtoken = star_match[6];
4050 /* Game start messages */
4051 if (strncmp(why, "Creating ", 9) == 0 ||
4052 strncmp(why, "Continuing ", 11) == 0) {
4053 gs_gamenum = gamenum;
4054 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4055 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4056 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4058 if (appData.zippyPlay) {
4059 ZippyGameStart(whitename, blackname);
4062 partnerBoardValid = FALSE; // [HGM] bughouse
4066 /* Game end messages */
4067 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4068 ics_gamenum != gamenum) {
4071 while (endtoken[0] == ' ') endtoken++;
4072 switch (endtoken[0]) {
4075 endtype = GameUnfinished;
4078 endtype = BlackWins;
4081 if (endtoken[1] == '/')
4082 endtype = GameIsDrawn;
4084 endtype = WhiteWins;
4087 GameEnds(endtype, why, GE_ICS);
4089 if (appData.zippyPlay && first.initDone) {
4090 ZippyGameEnd(endtype, why);
4091 if (first.pr == NoProc) {
4092 /* Start the next process early so that we'll
4093 be ready for the next challenge */
4094 StartChessProgram(&first);
4096 /* Send "new" early, in case this command takes
4097 a long time to finish, so that we'll be ready
4098 for the next challenge. */
4099 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4103 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4107 if (looking_at(buf, &i, "Removing game * from observation") ||
4108 looking_at(buf, &i, "no longer observing game *") ||
4109 looking_at(buf, &i, "Game * (*) has no examiners")) {
4110 if (gameMode == IcsObserving &&
4111 atoi(star_match[0]) == ics_gamenum)
4113 /* icsEngineAnalyze */
4114 if (appData.icsEngineAnalyze) {
4121 ics_user_moved = FALSE;
4126 if (looking_at(buf, &i, "no longer examining game *")) {
4127 if (gameMode == IcsExamining &&
4128 atoi(star_match[0]) == ics_gamenum)
4132 ics_user_moved = FALSE;
4137 /* Advance leftover_start past any newlines we find,
4138 so only partial lines can get reparsed */
4139 if (looking_at(buf, &i, "\n")) {
4140 prevColor = curColor;
4141 if (curColor != ColorNormal) {
4142 if (oldi > next_out) {
4143 SendToPlayer(&buf[next_out], oldi - next_out);
4146 Colorize(ColorNormal, FALSE);
4147 curColor = ColorNormal;
4149 if (started == STARTED_BOARD) {
4150 started = STARTED_NONE;
4151 parse[parse_pos] = NULLCHAR;
4152 ParseBoard12(parse);
4155 /* Send premove here */
4156 if (appData.premove) {
4158 if (currentMove == 0 &&
4159 gameMode == IcsPlayingWhite &&
4160 appData.premoveWhite) {
4161 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4162 if (appData.debugMode)
4163 fprintf(debugFP, "Sending premove:\n");
4165 } else if (currentMove == 1 &&
4166 gameMode == IcsPlayingBlack &&
4167 appData.premoveBlack) {
4168 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4169 if (appData.debugMode)
4170 fprintf(debugFP, "Sending premove:\n");
4172 } else if (gotPremove) {
4173 int oldFMM = forwardMostMove;
4175 ClearPremoveHighlights();
4176 if (appData.debugMode)
4177 fprintf(debugFP, "Sending premove:\n");
4178 UserMoveEvent(premoveFromX, premoveFromY,
4179 premoveToX, premoveToY,
4181 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4182 if(moveList[oldFMM-1][1] != '@')
4183 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4184 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4186 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4191 /* Usually suppress following prompt */
4192 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4193 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4194 if (looking_at(buf, &i, "*% ")) {
4195 savingComment = FALSE;
4200 } else if (started == STARTED_HOLDINGS) {
4202 char new_piece[MSG_SIZ];
4203 started = STARTED_NONE;
4204 parse[parse_pos] = NULLCHAR;
4205 if (appData.debugMode)
4206 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4207 parse, currentMove);
4208 if (sscanf(parse, " game %d", &gamenum) == 1) {
4209 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4210 if (gameInfo.variant == VariantNormal) {
4211 /* [HGM] We seem to switch variant during a game!
4212 * Presumably no holdings were displayed, so we have
4213 * to move the position two files to the right to
4214 * create room for them!
4216 VariantClass newVariant;
4217 switch(gameInfo.boardWidth) { // base guess on board width
4218 case 9: newVariant = VariantShogi; break;
4219 case 10: newVariant = VariantGreat; break;
4220 default: newVariant = VariantCrazyhouse; break;
4222 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4223 /* Get a move list just to see the header, which
4224 will tell us whether this is really bug or zh */
4225 if (ics_getting_history == H_FALSE) {
4226 ics_getting_history = H_REQUESTED;
4227 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4231 new_piece[0] = NULLCHAR;
4232 sscanf(parse, "game %d white [%s black [%s <- %s",
4233 &gamenum, white_holding, black_holding,
4235 white_holding[strlen(white_holding)-1] = NULLCHAR;
4236 black_holding[strlen(black_holding)-1] = NULLCHAR;
4237 /* [HGM] copy holdings to board holdings area */
4238 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4239 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4240 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4242 if (appData.zippyPlay && first.initDone) {
4243 ZippyHoldings(white_holding, black_holding,
4247 if (tinyLayout || smallLayout) {
4248 char wh[16], bh[16];
4249 PackHolding(wh, white_holding);
4250 PackHolding(bh, black_holding);
4251 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4252 gameInfo.white, gameInfo.black);
4254 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4255 gameInfo.white, white_holding, _("vs."),
4256 gameInfo.black, black_holding);
4258 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4259 DrawPosition(FALSE, boards[currentMove]);
4261 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4262 sscanf(parse, "game %d white [%s black [%s <- %s",
4263 &gamenum, white_holding, black_holding,
4265 white_holding[strlen(white_holding)-1] = NULLCHAR;
4266 black_holding[strlen(black_holding)-1] = NULLCHAR;
4267 /* [HGM] copy holdings to partner-board holdings area */
4268 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4269 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4270 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4271 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4272 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4275 /* Suppress following prompt */
4276 if (looking_at(buf, &i, "*% ")) {
4277 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4278 savingComment = FALSE;
4286 i++; /* skip unparsed character and loop back */
4289 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4290 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4291 // SendToPlayer(&buf[next_out], i - next_out);
4292 started != STARTED_HOLDINGS && leftover_start > next_out) {
4293 SendToPlayer(&buf[next_out], leftover_start - next_out);
4297 leftover_len = buf_len - leftover_start;
4298 /* if buffer ends with something we couldn't parse,
4299 reparse it after appending the next read */
4301 } else if (count == 0) {
4302 RemoveInputSource(isr);
4303 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4305 DisplayFatalError(_("Error reading from ICS"), error, 1);
4310 /* Board style 12 looks like this:
4312 <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
4314 * The "<12> " is stripped before it gets to this routine. The two
4315 * trailing 0's (flip state and clock ticking) are later addition, and
4316 * some chess servers may not have them, or may have only the first.
4317 * Additional trailing fields may be added in the future.
4320 #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"
4322 #define RELATION_OBSERVING_PLAYED 0
4323 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4324 #define RELATION_PLAYING_MYMOVE 1
4325 #define RELATION_PLAYING_NOTMYMOVE -1
4326 #define RELATION_EXAMINING 2
4327 #define RELATION_ISOLATED_BOARD -3
4328 #define RELATION_STARTING_POSITION -4 /* FICS only */
4331 ParseBoard12 (char *string)
4335 char *bookHit = NULL; // [HGM] book
4337 GameMode newGameMode;
4338 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4339 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4340 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4341 char to_play, board_chars[200];
4342 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4343 char black[32], white[32];
4345 int prevMove = currentMove;
4348 int fromX, fromY, toX, toY;
4350 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4351 Boolean weird = FALSE, reqFlag = FALSE;
4353 fromX = fromY = toX = toY = -1;
4357 if (appData.debugMode)
4358 fprintf(debugFP, "Parsing board: %s\n", string);
4360 move_str[0] = NULLCHAR;
4361 elapsed_time[0] = NULLCHAR;
4362 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4364 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4365 if(string[i] == ' ') { ranks++; files = 0; }
4367 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4370 for(j = 0; j <i; j++) board_chars[j] = string[j];
4371 board_chars[i] = '\0';
4374 n = sscanf(string, PATTERN, &to_play, &double_push,
4375 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4376 &gamenum, white, black, &relation, &basetime, &increment,
4377 &white_stren, &black_stren, &white_time, &black_time,
4378 &moveNum, str, elapsed_time, move_str, &ics_flip,
4382 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4383 DisplayError(str, 0);
4387 /* Convert the move number to internal form */
4388 moveNum = (moveNum - 1) * 2;
4389 if (to_play == 'B') moveNum++;
4390 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4391 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4397 case RELATION_OBSERVING_PLAYED:
4398 case RELATION_OBSERVING_STATIC:
4399 if (gamenum == -1) {
4400 /* Old ICC buglet */
4401 relation = RELATION_OBSERVING_STATIC;
4403 newGameMode = IcsObserving;
4405 case RELATION_PLAYING_MYMOVE:
4406 case RELATION_PLAYING_NOTMYMOVE:
4408 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4409 IcsPlayingWhite : IcsPlayingBlack;
4410 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4412 case RELATION_EXAMINING:
4413 newGameMode = IcsExamining;
4415 case RELATION_ISOLATED_BOARD:
4417 /* Just display this board. If user was doing something else,
4418 we will forget about it until the next board comes. */
4419 newGameMode = IcsIdle;
4421 case RELATION_STARTING_POSITION:
4422 newGameMode = gameMode;
4426 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4427 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4428 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4429 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4430 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4431 static int lastBgGame = -1;
4433 for (k = 0; k < ranks; k++) {
4434 for (j = 0; j < files; j++)
4435 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4436 if(gameInfo.holdingsWidth > 1) {
4437 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4438 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4441 CopyBoard(partnerBoard, board);
4442 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4443 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4444 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4445 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4446 if(toSqr = strchr(str, '-')) {
4447 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4448 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4449 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4450 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4451 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4452 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4454 DisplayWhiteClock(white_time*fac, to_play == 'W');
4455 DisplayBlackClock(black_time*fac, to_play != 'W');
4456 activePartner = to_play;
4457 if(gamenum != lastBgGame) {
4459 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4462 lastBgGame = gamenum;
4463 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4464 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4465 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4466 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4467 if(!twoBoards) DisplayMessage(partnerStatus, "");
4468 partnerBoardValid = TRUE;
4472 if(appData.dualBoard && appData.bgObserve) {
4473 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4474 SendToICS(ics_prefix), SendToICS("pobserve\n");
4475 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4477 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4482 /* Modify behavior for initial board display on move listing
4485 switch (ics_getting_history) {
4489 case H_GOT_REQ_HEADER:
4490 case H_GOT_UNREQ_HEADER:
4491 /* This is the initial position of the current game */
4492 gamenum = ics_gamenum;
4493 moveNum = 0; /* old ICS bug workaround */
4494 if (to_play == 'B') {
4495 startedFromSetupPosition = TRUE;
4496 blackPlaysFirst = TRUE;
4498 if (forwardMostMove == 0) forwardMostMove = 1;
4499 if (backwardMostMove == 0) backwardMostMove = 1;
4500 if (currentMove == 0) currentMove = 1;
4502 newGameMode = gameMode;
4503 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4505 case H_GOT_UNWANTED_HEADER:
4506 /* This is an initial board that we don't want */
4508 case H_GETTING_MOVES:
4509 /* Should not happen */
4510 DisplayError(_("Error gathering move list: extra board"), 0);
4511 ics_getting_history = H_FALSE;
4515 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4516 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4517 weird && (int)gameInfo.variant < (int)VariantShogi) {
4518 /* [HGM] We seem to have switched variant unexpectedly
4519 * Try to guess new variant from board size
4521 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4522 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4523 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4524 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4525 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4526 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4527 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4528 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4529 /* Get a move list just to see the header, which
4530 will tell us whether this is really bug or zh */
4531 if (ics_getting_history == H_FALSE) {
4532 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4533 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4538 /* Take action if this is the first board of a new game, or of a
4539 different game than is currently being displayed. */
4540 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4541 relation == RELATION_ISOLATED_BOARD) {
4543 /* Forget the old game and get the history (if any) of the new one */
4544 if (gameMode != BeginningOfGame) {
4548 if (appData.autoRaiseBoard) BoardToTop();
4550 if (gamenum == -1) {
4551 newGameMode = IcsIdle;
4552 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4553 appData.getMoveList && !reqFlag) {
4554 /* Need to get game history */
4555 ics_getting_history = H_REQUESTED;
4556 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4560 /* Initially flip the board to have black on the bottom if playing
4561 black or if the ICS flip flag is set, but let the user change
4562 it with the Flip View button. */
4563 flipView = appData.autoFlipView ?
4564 (newGameMode == IcsPlayingBlack) || ics_flip :
4567 /* Done with values from previous mode; copy in new ones */
4568 gameMode = newGameMode;
4570 ics_gamenum = gamenum;
4571 if (gamenum == gs_gamenum) {
4572 int klen = strlen(gs_kind);
4573 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4574 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4575 gameInfo.event = StrSave(str);
4577 gameInfo.event = StrSave("ICS game");
4579 gameInfo.site = StrSave(appData.icsHost);
4580 gameInfo.date = PGNDate();
4581 gameInfo.round = StrSave("-");
4582 gameInfo.white = StrSave(white);
4583 gameInfo.black = StrSave(black);
4584 timeControl = basetime * 60 * 1000;
4586 timeIncrement = increment * 1000;
4587 movesPerSession = 0;
4588 gameInfo.timeControl = TimeControlTagValue();
4589 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4590 if (appData.debugMode) {
4591 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4592 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4593 setbuf(debugFP, NULL);
4596 gameInfo.outOfBook = NULL;
4598 /* Do we have the ratings? */
4599 if (strcmp(player1Name, white) == 0 &&
4600 strcmp(player2Name, black) == 0) {
4601 if (appData.debugMode)
4602 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4603 player1Rating, player2Rating);
4604 gameInfo.whiteRating = player1Rating;
4605 gameInfo.blackRating = player2Rating;
4606 } else if (strcmp(player2Name, white) == 0 &&
4607 strcmp(player1Name, black) == 0) {
4608 if (appData.debugMode)
4609 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4610 player2Rating, player1Rating);
4611 gameInfo.whiteRating = player2Rating;
4612 gameInfo.blackRating = player1Rating;
4614 player1Name[0] = player2Name[0] = NULLCHAR;
4616 /* Silence shouts if requested */
4617 if (appData.quietPlay &&
4618 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4619 SendToICS(ics_prefix);
4620 SendToICS("set shout 0\n");
4624 /* Deal with midgame name changes */
4626 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4627 if (gameInfo.white) free(gameInfo.white);
4628 gameInfo.white = StrSave(white);
4630 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4631 if (gameInfo.black) free(gameInfo.black);
4632 gameInfo.black = StrSave(black);
4636 /* Throw away game result if anything actually changes in examine mode */
4637 if (gameMode == IcsExamining && !newGame) {
4638 gameInfo.result = GameUnfinished;
4639 if (gameInfo.resultDetails != NULL) {
4640 free(gameInfo.resultDetails);
4641 gameInfo.resultDetails = NULL;
4645 /* In pausing && IcsExamining mode, we ignore boards coming
4646 in if they are in a different variation than we are. */
4647 if (pauseExamInvalid) return;
4648 if (pausing && gameMode == IcsExamining) {
4649 if (moveNum <= pauseExamForwardMostMove) {
4650 pauseExamInvalid = TRUE;
4651 forwardMostMove = pauseExamForwardMostMove;
4656 if (appData.debugMode) {
4657 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4659 /* Parse the board */
4660 for (k = 0; k < ranks; k++) {
4661 for (j = 0; j < files; j++)
4662 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4663 if(gameInfo.holdingsWidth > 1) {
4664 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4665 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4668 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4669 board[5][BOARD_RGHT+1] = WhiteAngel;
4670 board[6][BOARD_RGHT+1] = WhiteMarshall;
4671 board[1][0] = BlackMarshall;
4672 board[2][0] = BlackAngel;
4673 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4675 CopyBoard(boards[moveNum], board);
4676 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4678 startedFromSetupPosition =
4679 !CompareBoards(board, initialPosition);
4680 if(startedFromSetupPosition)
4681 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4684 /* [HGM] Set castling rights. Take the outermost Rooks,
4685 to make it also work for FRC opening positions. Note that board12
4686 is really defective for later FRC positions, as it has no way to
4687 indicate which Rook can castle if they are on the same side of King.
4688 For the initial position we grant rights to the outermost Rooks,
4689 and remember thos rights, and we then copy them on positions
4690 later in an FRC game. This means WB might not recognize castlings with
4691 Rooks that have moved back to their original position as illegal,
4692 but in ICS mode that is not its job anyway.
4694 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4695 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4697 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4698 if(board[0][i] == WhiteRook) j = i;
4699 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4700 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4701 if(board[0][i] == WhiteRook) j = i;
4702 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4703 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4704 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4705 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4706 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4707 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4708 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4710 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4711 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4712 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4713 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4714 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4715 if(board[BOARD_HEIGHT-1][k] == bKing)
4716 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4717 if(gameInfo.variant == VariantTwoKings) {
4718 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4719 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4720 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4723 r = boards[moveNum][CASTLING][0] = initialRights[0];
4724 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4725 r = boards[moveNum][CASTLING][1] = initialRights[1];
4726 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4727 r = boards[moveNum][CASTLING][3] = initialRights[3];
4728 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4729 r = boards[moveNum][CASTLING][4] = initialRights[4];
4730 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4731 /* wildcastle kludge: always assume King has rights */
4732 r = boards[moveNum][CASTLING][2] = initialRights[2];
4733 r = boards[moveNum][CASTLING][5] = initialRights[5];
4735 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4736 boards[moveNum][EP_STATUS] = EP_NONE;
4737 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4738 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4739 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4742 if (ics_getting_history == H_GOT_REQ_HEADER ||
4743 ics_getting_history == H_GOT_UNREQ_HEADER) {
4744 /* This was an initial position from a move list, not
4745 the current position */
4749 /* Update currentMove and known move number limits */
4750 newMove = newGame || moveNum > forwardMostMove;
4753 forwardMostMove = backwardMostMove = currentMove = moveNum;
4754 if (gameMode == IcsExamining && moveNum == 0) {
4755 /* Workaround for ICS limitation: we are not told the wild
4756 type when starting to examine a game. But if we ask for
4757 the move list, the move list header will tell us */
4758 ics_getting_history = H_REQUESTED;
4759 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4762 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4763 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4765 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4766 /* [HGM] applied this also to an engine that is silently watching */
4767 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4768 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4769 gameInfo.variant == currentlyInitializedVariant) {
4770 takeback = forwardMostMove - moveNum;
4771 for (i = 0; i < takeback; i++) {
4772 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4773 SendToProgram("undo\n", &first);
4778 forwardMostMove = moveNum;
4779 if (!pausing || currentMove > forwardMostMove)
4780 currentMove = forwardMostMove;
4782 /* New part of history that is not contiguous with old part */
4783 if (pausing && gameMode == IcsExamining) {
4784 pauseExamInvalid = TRUE;
4785 forwardMostMove = pauseExamForwardMostMove;
4788 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4790 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4791 // [HGM] when we will receive the move list we now request, it will be
4792 // fed to the engine from the first move on. So if the engine is not
4793 // in the initial position now, bring it there.
4794 InitChessProgram(&first, 0);
4797 ics_getting_history = H_REQUESTED;
4798 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4801 forwardMostMove = backwardMostMove = currentMove = moveNum;
4804 /* Update the clocks */
4805 if (strchr(elapsed_time, '.')) {
4807 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4808 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4810 /* Time is in seconds */
4811 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4812 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4817 if (appData.zippyPlay && newGame &&
4818 gameMode != IcsObserving && gameMode != IcsIdle &&
4819 gameMode != IcsExamining)
4820 ZippyFirstBoard(moveNum, basetime, increment);
4823 /* Put the move on the move list, first converting
4824 to canonical algebraic form. */
4826 if (appData.debugMode) {
4827 int f = forwardMostMove;
4828 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4829 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4830 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4831 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4832 fprintf(debugFP, "moveNum = %d\n", moveNum);
4833 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4834 setbuf(debugFP, NULL);
4836 if (moveNum <= backwardMostMove) {
4837 /* We don't know what the board looked like before
4839 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4840 strcat(parseList[moveNum - 1], " ");
4841 strcat(parseList[moveNum - 1], elapsed_time);
4842 moveList[moveNum - 1][0] = NULLCHAR;
4843 } else if (strcmp(move_str, "none") == 0) {
4844 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4845 /* Again, we don't know what the board looked like;
4846 this is really the start of the game. */
4847 parseList[moveNum - 1][0] = NULLCHAR;
4848 moveList[moveNum - 1][0] = NULLCHAR;
4849 backwardMostMove = moveNum;
4850 startedFromSetupPosition = TRUE;
4851 fromX = fromY = toX = toY = -1;
4853 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4854 // So we parse the long-algebraic move string in stead of the SAN move
4855 int valid; char buf[MSG_SIZ], *prom;
4857 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4858 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4859 // str looks something like "Q/a1-a2"; kill the slash
4861 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4862 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4863 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4864 strcat(buf, prom); // long move lacks promo specification!
4865 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4866 if(appData.debugMode)
4867 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4868 safeStrCpy(move_str, buf, MSG_SIZ);
4870 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4871 &fromX, &fromY, &toX, &toY, &promoChar)
4872 || ParseOneMove(buf, moveNum - 1, &moveType,
4873 &fromX, &fromY, &toX, &toY, &promoChar);
4874 // end of long SAN patch
4876 (void) CoordsToAlgebraic(boards[moveNum - 1],
4877 PosFlags(moveNum - 1),
4878 fromY, fromX, toY, toX, promoChar,
4879 parseList[moveNum-1]);
4880 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4886 if(!IS_SHOGI(gameInfo.variant))
4887 strcat(parseList[moveNum - 1], "+");
4890 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4891 strcat(parseList[moveNum - 1], "#");
4894 strcat(parseList[moveNum - 1], " ");
4895 strcat(parseList[moveNum - 1], elapsed_time);
4896 /* currentMoveString is set as a side-effect of ParseOneMove */
4897 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4898 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4899 strcat(moveList[moveNum - 1], "\n");
4901 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4902 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4903 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4904 ChessSquare old, new = boards[moveNum][k][j];
4905 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4906 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4907 if(old == new) continue;
4908 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4909 else if(new == WhiteWazir || new == BlackWazir) {
4910 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4911 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4912 else boards[moveNum][k][j] = old; // preserve type of Gold
4913 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4914 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4917 /* Move from ICS was illegal!? Punt. */
4918 if (appData.debugMode) {
4919 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4920 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4922 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4923 strcat(parseList[moveNum - 1], " ");
4924 strcat(parseList[moveNum - 1], elapsed_time);
4925 moveList[moveNum - 1][0] = NULLCHAR;
4926 fromX = fromY = toX = toY = -1;
4929 if (appData.debugMode) {
4930 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4931 setbuf(debugFP, NULL);
4935 /* Send move to chess program (BEFORE animating it). */
4936 if (appData.zippyPlay && !newGame && newMove &&
4937 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4939 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4940 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4941 if (moveList[moveNum - 1][0] == NULLCHAR) {
4942 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4944 DisplayError(str, 0);
4946 if (first.sendTime) {
4947 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4949 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4950 if (firstMove && !bookHit) {
4952 if (first.useColors) {
4953 SendToProgram(gameMode == IcsPlayingWhite ?
4955 "black\ngo\n", &first);
4957 SendToProgram("go\n", &first);
4959 first.maybeThinking = TRUE;
4962 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4963 if (moveList[moveNum - 1][0] == NULLCHAR) {
4964 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4965 DisplayError(str, 0);
4967 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4968 SendMoveToProgram(moveNum - 1, &first);
4975 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4976 /* If move comes from a remote source, animate it. If it
4977 isn't remote, it will have already been animated. */
4978 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4979 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4981 if (!pausing && appData.highlightLastMove) {
4982 SetHighlights(fromX, fromY, toX, toY);
4986 /* Start the clocks */
4987 whiteFlag = blackFlag = FALSE;
4988 appData.clockMode = !(basetime == 0 && increment == 0);
4990 ics_clock_paused = TRUE;
4992 } else if (ticking == 1) {
4993 ics_clock_paused = FALSE;
4995 if (gameMode == IcsIdle ||
4996 relation == RELATION_OBSERVING_STATIC ||
4997 relation == RELATION_EXAMINING ||
4999 DisplayBothClocks();
5003 /* Display opponents and material strengths */
5004 if (gameInfo.variant != VariantBughouse &&
5005 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5006 if (tinyLayout || smallLayout) {
5007 if(gameInfo.variant == VariantNormal)
5008 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5009 gameInfo.white, white_stren, gameInfo.black, black_stren,
5010 basetime, increment);
5012 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5013 gameInfo.white, white_stren, gameInfo.black, black_stren,
5014 basetime, increment, (int) gameInfo.variant);
5016 if(gameInfo.variant == VariantNormal)
5017 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5018 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5019 basetime, increment);
5021 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5022 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5023 basetime, increment, VariantName(gameInfo.variant));
5026 if (appData.debugMode) {
5027 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5032 /* Display the board */
5033 if (!pausing && !appData.noGUI) {
5035 if (appData.premove)
5037 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5038 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5039 ClearPremoveHighlights();
5041 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5042 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5043 DrawPosition(j, boards[currentMove]);
5045 DisplayMove(moveNum - 1);
5046 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5047 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5048 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5049 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5053 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5055 if(bookHit) { // [HGM] book: simulate book reply
5056 static char bookMove[MSG_SIZ]; // a bit generous?
5058 programStats.nodes = programStats.depth = programStats.time =
5059 programStats.score = programStats.got_only_move = 0;
5060 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5062 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5063 strcat(bookMove, bookHit);
5064 HandleMachineMove(bookMove, &first);
5073 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5074 ics_getting_history = H_REQUESTED;
5075 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5081 SendToBoth (char *msg)
5082 { // to make it easy to keep two engines in step in dual analysis
5083 SendToProgram(msg, &first);
5084 if(second.analyzing) SendToProgram(msg, &second);
5088 AnalysisPeriodicEvent (int force)
5090 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5091 && !force) || !appData.periodicUpdates)
5094 /* Send . command to Crafty to collect stats */
5097 /* Don't send another until we get a response (this makes
5098 us stop sending to old Crafty's which don't understand
5099 the "." command (sending illegal cmds resets node count & time,
5100 which looks bad)) */
5101 programStats.ok_to_send = 0;
5105 ics_update_width (int new_width)
5107 ics_printf("set width %d\n", new_width);
5111 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5115 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5116 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5117 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5118 SendToProgram(buf, cps);
5121 // null move in variant where engine does not understand it (for analysis purposes)
5122 SendBoard(cps, moveNum + 1); // send position after move in stead.
5125 if (cps->useUsermove) {
5126 SendToProgram("usermove ", cps);
5130 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5131 int len = space - parseList[moveNum];
5132 memcpy(buf, parseList[moveNum], len);
5134 buf[len] = NULLCHAR;
5136 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5138 SendToProgram(buf, cps);
5140 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5141 AlphaRank(moveList[moveNum], 4);
5142 SendToProgram(moveList[moveNum], cps);
5143 AlphaRank(moveList[moveNum], 4); // and back
5145 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5146 * the engine. It would be nice to have a better way to identify castle
5148 if(appData.fischerCastling && cps->useOOCastle) {
5149 int fromX = moveList[moveNum][0] - AAA;
5150 int fromY = moveList[moveNum][1] - ONE;
5151 int toX = moveList[moveNum][2] - AAA;
5152 int toY = moveList[moveNum][3] - ONE;
5153 if((boards[moveNum][fromY][fromX] == WhiteKing
5154 && boards[moveNum][toY][toX] == WhiteRook)
5155 || (boards[moveNum][fromY][fromX] == BlackKing
5156 && boards[moveNum][toY][toX] == BlackRook)) {
5157 if(toX > fromX) SendToProgram("O-O\n", cps);
5158 else SendToProgram("O-O-O\n", cps);
5160 else SendToProgram(moveList[moveNum], cps);
5162 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5163 char *m = moveList[moveNum];
5165 *c = m[7]; // promoChar
5166 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
5167 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5170 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5171 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5173 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
5178 m[2], m[3] - '0', c);
5180 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5183 m[2], m[3] - '0', c);
5184 SendToProgram(buf, cps);
5186 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5187 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5188 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5189 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5190 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5192 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5193 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5194 SendToProgram(buf, cps);
5196 else SendToProgram(moveList[moveNum], cps);
5197 /* End of additions by Tord */
5200 /* [HGM] setting up the opening has brought engine in force mode! */
5201 /* Send 'go' if we are in a mode where machine should play. */
5202 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5203 (gameMode == TwoMachinesPlay ||
5205 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5207 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5208 SendToProgram("go\n", cps);
5209 if (appData.debugMode) {
5210 fprintf(debugFP, "(extra)\n");
5213 setboardSpoiledMachineBlack = 0;
5217 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5219 char user_move[MSG_SIZ];
5222 if(gameInfo.variant == VariantSChess && promoChar) {
5223 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5224 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5225 } else suffix[0] = NULLCHAR;
5229 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5230 (int)moveType, fromX, fromY, toX, toY);
5231 DisplayError(user_move + strlen("say "), 0);
5233 case WhiteKingSideCastle:
5234 case BlackKingSideCastle:
5235 case WhiteQueenSideCastleWild:
5236 case BlackQueenSideCastleWild:
5238 case WhiteHSideCastleFR:
5239 case BlackHSideCastleFR:
5241 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5243 case WhiteQueenSideCastle:
5244 case BlackQueenSideCastle:
5245 case WhiteKingSideCastleWild:
5246 case BlackKingSideCastleWild:
5248 case WhiteASideCastleFR:
5249 case BlackASideCastleFR:
5251 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5253 case WhiteNonPromotion:
5254 case BlackNonPromotion:
5255 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5257 case WhitePromotion:
5258 case BlackPromotion:
5259 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5260 gameInfo.variant == VariantMakruk)
5261 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5262 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5263 PieceToChar(WhiteFerz));
5264 else if(gameInfo.variant == VariantGreat)
5265 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5266 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5267 PieceToChar(WhiteMan));
5269 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5270 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5276 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5277 ToUpper(PieceToChar((ChessSquare) fromX)),
5278 AAA + toX, ONE + toY);
5280 case IllegalMove: /* could be a variant we don't quite understand */
5281 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5283 case WhiteCapturesEnPassant:
5284 case BlackCapturesEnPassant:
5285 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5286 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5289 SendToICS(user_move);
5290 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5291 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5296 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5297 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5298 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5299 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5300 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5303 if(gameMode != IcsExamining) { // is this ever not the case?
5304 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5306 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5307 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5308 } else { // on FICS we must first go to general examine mode
5309 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5311 if(gameInfo.variant != VariantNormal) {
5312 // try figure out wild number, as xboard names are not always valid on ICS
5313 for(i=1; i<=36; i++) {
5314 snprintf(buf, MSG_SIZ, "wild/%d", i);
5315 if(StringToVariant(buf) == gameInfo.variant) break;
5317 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5318 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5319 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5320 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5321 SendToICS(ics_prefix);
5323 if(startedFromSetupPosition || backwardMostMove != 0) {
5324 fen = PositionToFEN(backwardMostMove, NULL, 1);
5325 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5326 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5328 } else { // FICS: everything has to set by separate bsetup commands
5329 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5330 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5332 if(!WhiteOnMove(backwardMostMove)) {
5333 SendToICS("bsetup tomove black\n");
5335 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5336 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5338 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5339 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5341 i = boards[backwardMostMove][EP_STATUS];
5342 if(i >= 0) { // set e.p.
5343 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5349 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5350 SendToICS("bsetup done\n"); // switch to normal examining.
5352 for(i = backwardMostMove; i<last; i++) {
5354 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5355 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5356 int len = strlen(moveList[i]);
5357 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5358 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5362 SendToICS(ics_prefix);
5363 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5366 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5370 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5372 if (rf == DROP_RANK) {
5373 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5374 sprintf(move, "%c@%c%c\n",
5375 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5377 if (promoChar == 'x' || promoChar == NULLCHAR) {
5378 sprintf(move, "%c%c%c%c\n",
5379 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5380 if(killX >= 0 && killY >= 0) {
5381 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5382 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5385 sprintf(move, "%c%c%c%c%c\n",
5386 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5387 if(killX >= 0 && killY >= 0) {
5388 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5389 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5396 ProcessICSInitScript (FILE *f)
5400 while (fgets(buf, MSG_SIZ, f)) {
5401 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5408 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5410 static ClickType lastClickType;
5413 PieceInString (char *s, ChessSquare piece)
5415 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5416 while((p = strchr(s, ID))) {
5417 if(!suffix || p[1] == suffix) return TRUE;
5424 Partner (ChessSquare *p)
5425 { // change piece into promotion partner if one shogi-promotes to the other
5426 ChessSquare partner = promoPartner[*p];
5427 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5428 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5436 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5437 static int toggleFlag;
5438 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5439 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5440 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5441 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5442 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5443 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5445 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5446 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5447 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5448 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5449 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5450 if(!step) step = -1;
5451 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5452 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5453 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5454 promoSweep == pawn ||
5455 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5456 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5458 int victim = boards[currentMove][toY][toX];
5459 boards[currentMove][toY][toX] = promoSweep;
5460 DrawPosition(FALSE, boards[currentMove]);
5461 boards[currentMove][toY][toX] = victim;
5463 ChangeDragPiece(promoSweep);
5467 PromoScroll (int x, int y)
5471 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5472 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5473 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5474 if(!step) return FALSE;
5475 lastX = x; lastY = y;
5476 if((promoSweep < BlackPawn) == flipView) step = -step;
5477 if(step > 0) selectFlag = 1;
5478 if(!selectFlag) Sweep(step);
5483 NextPiece (int step)
5485 ChessSquare piece = boards[currentMove][toY][toX];
5488 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5489 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5490 if(!step) step = -1;
5491 } while(PieceToChar(pieceSweep) == '.');
5492 boards[currentMove][toY][toX] = pieceSweep;
5493 DrawPosition(FALSE, boards[currentMove]);
5494 boards[currentMove][toY][toX] = piece;
5496 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5498 AlphaRank (char *move, int n)
5500 // char *p = move, c; int x, y;
5502 if (appData.debugMode) {
5503 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5507 move[2]>='0' && move[2]<='9' &&
5508 move[3]>='a' && move[3]<='x' ) {
5510 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5511 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5513 if(move[0]>='0' && move[0]<='9' &&
5514 move[1]>='a' && move[1]<='x' &&
5515 move[2]>='0' && move[2]<='9' &&
5516 move[3]>='a' && move[3]<='x' ) {
5517 /* input move, Shogi -> normal */
5518 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5519 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5520 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5521 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5524 move[3]>='0' && move[3]<='9' &&
5525 move[2]>='a' && move[2]<='x' ) {
5527 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5528 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5531 move[0]>='a' && move[0]<='x' &&
5532 move[3]>='0' && move[3]<='9' &&
5533 move[2]>='a' && move[2]<='x' ) {
5534 /* output move, normal -> Shogi */
5535 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5536 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5537 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5538 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5539 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5541 if (appData.debugMode) {
5542 fprintf(debugFP, " out = '%s'\n", move);
5546 char yy_textstr[8000];
5548 /* Parser for moves from gnuchess, ICS, or user typein box */
5550 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5552 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5554 switch (*moveType) {
5555 case WhitePromotion:
5556 case BlackPromotion:
5557 case WhiteNonPromotion:
5558 case BlackNonPromotion:
5561 case WhiteCapturesEnPassant:
5562 case BlackCapturesEnPassant:
5563 case WhiteKingSideCastle:
5564 case WhiteQueenSideCastle:
5565 case BlackKingSideCastle:
5566 case BlackQueenSideCastle:
5567 case WhiteKingSideCastleWild:
5568 case WhiteQueenSideCastleWild:
5569 case BlackKingSideCastleWild:
5570 case BlackQueenSideCastleWild:
5571 /* Code added by Tord: */
5572 case WhiteHSideCastleFR:
5573 case WhiteASideCastleFR:
5574 case BlackHSideCastleFR:
5575 case BlackASideCastleFR:
5576 /* End of code added by Tord */
5577 case IllegalMove: /* bug or odd chess variant */
5578 if(currentMoveString[1] == '@') { // illegal drop
5579 *fromX = WhiteOnMove(moveNum) ?
5580 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5581 (int) CharToPiece(ToLower(currentMoveString[0]));
5584 *fromX = currentMoveString[0] - AAA;
5585 *fromY = currentMoveString[1] - ONE;
5586 *toX = currentMoveString[2] - AAA;
5587 *toY = currentMoveString[3] - ONE;
5588 *promoChar = currentMoveString[4];
5589 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5590 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5591 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5592 if (appData.debugMode) {
5593 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5595 *fromX = *fromY = *toX = *toY = 0;
5598 if (appData.testLegality) {
5599 return (*moveType != IllegalMove);
5601 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5602 // [HGM] lion: if this is a double move we are less critical
5603 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5608 *fromX = *moveType == WhiteDrop ?
5609 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5610 (int) CharToPiece(ToLower(currentMoveString[0]));
5613 *toX = currentMoveString[2] - AAA;
5614 *toY = currentMoveString[3] - ONE;
5615 *promoChar = NULLCHAR;
5619 case ImpossibleMove:
5629 if (appData.debugMode) {
5630 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5633 *fromX = *fromY = *toX = *toY = 0;
5634 *promoChar = NULLCHAR;
5639 Boolean pushed = FALSE;
5640 char *lastParseAttempt;
5643 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5644 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5645 int fromX, fromY, toX, toY; char promoChar;
5650 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5651 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5652 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5655 endPV = forwardMostMove;
5657 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5658 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5659 lastParseAttempt = pv;
5660 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5661 if(!valid && nr == 0 &&
5662 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5663 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5664 // Hande case where played move is different from leading PV move
5665 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5666 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5667 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5668 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5669 endPV += 2; // if position different, keep this
5670 moveList[endPV-1][0] = fromX + AAA;
5671 moveList[endPV-1][1] = fromY + ONE;
5672 moveList[endPV-1][2] = toX + AAA;
5673 moveList[endPV-1][3] = toY + ONE;
5674 parseList[endPV-1][0] = NULLCHAR;
5675 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5678 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5679 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5680 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5681 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5682 valid++; // allow comments in PV
5686 if(endPV+1 > framePtr) break; // no space, truncate
5689 CopyBoard(boards[endPV], boards[endPV-1]);
5690 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5691 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5692 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5693 CoordsToAlgebraic(boards[endPV - 1],
5694 PosFlags(endPV - 1),
5695 fromY, fromX, toY, toX, promoChar,
5696 parseList[endPV - 1]);
5698 if(atEnd == 2) return; // used hidden, for PV conversion
5699 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5700 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5701 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5702 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5703 DrawPosition(TRUE, boards[currentMove]);
5707 MultiPV (ChessProgramState *cps, int kind)
5708 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5710 for(i=0; i<cps->nrOptions; i++) {
5711 char *s = cps->option[i].name;
5712 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5713 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5714 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5719 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5720 static int multi, pv_margin;
5721 static ChessProgramState *activeCps;
5724 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5726 int startPV, lineStart, origIndex = index;
5727 char *p, buf2[MSG_SIZ];
5728 ChessProgramState *cps = (pane ? &second : &first);
5730 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5731 lastX = x; lastY = y;
5732 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5733 lineStart = startPV = index;
5734 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5735 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5737 do{ while(buf[index] && buf[index] != '\n') index++;
5738 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5740 if(lineStart == 0 && gameMode == AnalyzeMode) {
5742 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5743 if(n == 0) { // click not on "fewer" or "more"
5744 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5745 pv_margin = cps->option[multi].value;
5746 activeCps = cps; // non-null signals margin adjustment
5748 } else if((multi = MultiPV(cps, 1)) >= 0) {
5749 n += cps->option[multi].value; if(n < 1) n = 1;
5750 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5751 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5752 cps->option[multi].value = n;
5756 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5757 ExcludeClick(origIndex - lineStart);
5759 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5760 Collapse(origIndex - lineStart);
5763 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5764 *start = startPV; *end = index-1;
5765 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5772 static char buf[10*MSG_SIZ];
5773 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5775 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5776 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5777 for(i = forwardMostMove; i<endPV; i++){
5778 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5779 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5782 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5783 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5784 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5790 LoadPV (int x, int y)
5791 { // called on right mouse click to load PV
5792 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5793 lastX = x; lastY = y;
5794 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5802 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5804 if(pv_margin != activeCps->option[multi].value) {
5806 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5807 SendToProgram(buf, activeCps);
5808 activeCps->option[multi].value = pv_margin;
5813 if(endPV < 0) return;
5814 if(appData.autoCopyPV) CopyFENToClipboard();
5816 if(extendGame && currentMove > forwardMostMove) {
5817 Boolean saveAnimate = appData.animate;
5819 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5820 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5821 } else storedGames--; // abandon shelved tail of original game
5824 forwardMostMove = currentMove;
5825 currentMove = oldFMM;
5826 appData.animate = FALSE;
5827 ToNrEvent(forwardMostMove);
5828 appData.animate = saveAnimate;
5830 currentMove = forwardMostMove;
5831 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5832 ClearPremoveHighlights();
5833 DrawPosition(TRUE, boards[currentMove]);
5837 MovePV (int x, int y, int h)
5838 { // step through PV based on mouse coordinates (called on mouse move)
5839 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5841 if(activeCps) { // adjusting engine's multi-pv margin
5842 if(x > lastX) pv_margin++; else
5843 if(x < lastX) pv_margin -= (pv_margin > 0);
5846 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5847 DisplayMessage(buf, "");
5852 // we must somehow check if right button is still down (might be released off board!)
5853 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5854 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5855 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5857 lastX = x; lastY = y;
5859 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5860 if(endPV < 0) return;
5861 if(y < margin) step = 1; else
5862 if(y > h - margin) step = -1;
5863 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5864 currentMove += step;
5865 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5866 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5867 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5868 DrawPosition(FALSE, boards[currentMove]);
5872 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5873 // All positions will have equal probability, but the current method will not provide a unique
5874 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5880 int piecesLeft[(int)BlackPawn];
5881 int seed, nrOfShuffles;
5884 GetPositionNumber ()
5885 { // sets global variable seed
5888 seed = appData.defaultFrcPosition;
5889 if(seed < 0) { // randomize based on time for negative FRC position numbers
5890 for(i=0; i<50; i++) seed += random();
5891 seed = random() ^ random() >> 8 ^ random() << 8;
5892 if(seed<0) seed = -seed;
5897 put (Board board, int pieceType, int rank, int n, int shade)
5898 // put the piece on the (n-1)-th empty squares of the given shade
5902 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5903 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5904 board[rank][i] = (ChessSquare) pieceType;
5905 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5907 piecesLeft[pieceType]--;
5916 AddOnePiece (Board board, int pieceType, int rank, int shade)
5917 // calculate where the next piece goes, (any empty square), and put it there
5921 i = seed % squaresLeft[shade];
5922 nrOfShuffles *= squaresLeft[shade];
5923 seed /= squaresLeft[shade];
5924 put(board, pieceType, rank, i, shade);
5928 AddTwoPieces (Board board, int pieceType, int rank)
5929 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5931 int i, n=squaresLeft[ANY], j=n-1, k;
5933 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5934 i = seed % k; // pick one
5937 while(i >= j) i -= j--;
5938 j = n - 1 - j; i += j;
5939 put(board, pieceType, rank, j, ANY);
5940 put(board, pieceType, rank, i, ANY);
5944 SetUpShuffle (Board board, int number)
5948 GetPositionNumber(); nrOfShuffles = 1;
5950 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5951 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5952 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5954 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5956 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5957 p = (int) board[0][i];
5958 if(p < (int) BlackPawn) piecesLeft[p] ++;
5959 board[0][i] = EmptySquare;
5962 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5963 // shuffles restricted to allow normal castling put KRR first
5964 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5965 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5966 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5967 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5968 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5969 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5970 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5971 put(board, WhiteRook, 0, 0, ANY);
5972 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5975 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5976 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5977 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5978 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5979 while(piecesLeft[p] >= 2) {
5980 AddOnePiece(board, p, 0, LITE);
5981 AddOnePiece(board, p, 0, DARK);
5983 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5986 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5987 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5988 // but we leave King and Rooks for last, to possibly obey FRC restriction
5989 if(p == (int)WhiteRook) continue;
5990 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5991 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5994 // now everything is placed, except perhaps King (Unicorn) and Rooks
5996 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5997 // Last King gets castling rights
5998 while(piecesLeft[(int)WhiteUnicorn]) {
5999 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6000 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6003 while(piecesLeft[(int)WhiteKing]) {
6004 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6005 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6010 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6011 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6014 // Only Rooks can be left; simply place them all
6015 while(piecesLeft[(int)WhiteRook]) {
6016 i = put(board, WhiteRook, 0, 0, ANY);
6017 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6020 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6022 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6025 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6026 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6029 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6033 ptclen (const char *s, char *escapes)
6036 if(!*escapes) return strlen(s);
6037 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6042 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6043 /* [HGM] moved here from winboard.c because of its general usefulness */
6044 /* Basically a safe strcpy that uses the last character as King */
6046 int result = FALSE; int NrPieces;
6047 unsigned char partner[EmptySquare];
6049 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6050 && NrPieces >= 12 && !(NrPieces&1)) {
6051 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6053 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6054 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6056 if(map[j] == '/') offs = WhitePBishop - i, j++;
6057 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6058 table[i+offs] = map[j++];
6059 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6060 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6061 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6063 table[(int) WhiteKing] = map[j++];
6064 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6066 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6067 i = WHITE_TO_BLACK ii;
6068 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6069 table[i+offs] = map[j++];
6070 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6071 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6072 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6074 table[(int) BlackKing] = map[j++];
6077 if(*escapes) { // set up promotion pairing
6078 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6079 // pieceToChar entirely filled, so we can look up specified partners
6080 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6082 if(c == '^' || c == '-') { // has specified partner
6084 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6085 if(c == '^') table[i] = '+';
6086 if(p < EmptySquare) {
6087 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6088 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6089 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6091 } else if(c == '*') {
6092 table[i] = partner[i];
6093 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6105 SetCharTable (unsigned char *table, const char * map)
6107 return SetCharTableEsc(table, map, "");
6111 Prelude (Board board)
6112 { // [HGM] superchess: random selection of exo-pieces
6113 int i, j, k; ChessSquare p;
6114 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6116 GetPositionNumber(); // use FRC position number
6118 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6119 SetCharTable(pieceToChar, appData.pieceToCharTable);
6120 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6121 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6124 j = seed%4; seed /= 4;
6125 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6126 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6127 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6128 j = seed%3 + (seed%3 >= j); seed /= 3;
6129 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6130 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6131 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6132 j = seed%3; seed /= 3;
6133 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6134 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6135 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6136 j = seed%2 + (seed%2 >= j); seed /= 2;
6137 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6138 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6139 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6140 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6141 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6142 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6143 put(board, exoPieces[0], 0, 0, ANY);
6144 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6148 InitPosition (int redraw)
6150 ChessSquare (* pieces)[BOARD_FILES];
6151 int i, j, pawnRow=1, pieceRows=1, overrule,
6152 oldx = gameInfo.boardWidth,
6153 oldy = gameInfo.boardHeight,
6154 oldh = gameInfo.holdingsWidth;
6157 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6159 /* [AS] Initialize pv info list [HGM] and game status */
6161 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6162 pvInfoList[i].depth = 0;
6163 boards[i][EP_STATUS] = EP_NONE;
6164 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6167 initialRulePlies = 0; /* 50-move counter start */
6169 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6170 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6174 /* [HGM] logic here is completely changed. In stead of full positions */
6175 /* the initialized data only consist of the two backranks. The switch */
6176 /* selects which one we will use, which is than copied to the Board */
6177 /* initialPosition, which for the rest is initialized by Pawns and */
6178 /* empty squares. This initial position is then copied to boards[0], */
6179 /* possibly after shuffling, so that it remains available. */
6181 gameInfo.holdingsWidth = 0; /* default board sizes */
6182 gameInfo.boardWidth = 8;
6183 gameInfo.boardHeight = 8;
6184 gameInfo.holdingsSize = 0;
6185 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6186 for(i=0; i<BOARD_FILES-6; i++)
6187 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6188 initialPosition[EP_STATUS] = EP_NONE;
6189 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6190 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6191 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6192 SetCharTable(pieceNickName, appData.pieceNickNames);
6193 else SetCharTable(pieceNickName, "............");
6196 switch (gameInfo.variant) {
6197 case VariantFischeRandom:
6198 shuffleOpenings = TRUE;
6199 appData.fischerCastling = TRUE;
6202 case VariantShatranj:
6203 pieces = ShatranjArray;
6204 nrCastlingRights = 0;
6205 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6208 pieces = makrukArray;
6209 nrCastlingRights = 0;
6210 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6213 pieces = aseanArray;
6214 nrCastlingRights = 0;
6215 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6217 case VariantTwoKings:
6218 pieces = twoKingsArray;
6221 pieces = GrandArray;
6222 nrCastlingRights = 0;
6223 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6224 gameInfo.boardWidth = 10;
6225 gameInfo.boardHeight = 10;
6226 gameInfo.holdingsSize = 7;
6228 case VariantCapaRandom:
6229 shuffleOpenings = TRUE;
6230 appData.fischerCastling = TRUE;
6231 case VariantCapablanca:
6232 pieces = CapablancaArray;
6233 gameInfo.boardWidth = 10;
6234 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6237 pieces = GothicArray;
6238 gameInfo.boardWidth = 10;
6239 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6242 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6243 gameInfo.holdingsSize = 7;
6244 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6247 pieces = JanusArray;
6248 gameInfo.boardWidth = 10;
6249 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6250 nrCastlingRights = 6;
6251 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6252 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6253 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6254 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6255 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6256 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6259 pieces = FalconArray;
6260 gameInfo.boardWidth = 10;
6261 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6263 case VariantXiangqi:
6264 pieces = XiangqiArray;
6265 gameInfo.boardWidth = 9;
6266 gameInfo.boardHeight = 10;
6267 nrCastlingRights = 0;
6268 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6271 pieces = ShogiArray;
6272 gameInfo.boardWidth = 9;
6273 gameInfo.boardHeight = 9;
6274 gameInfo.holdingsSize = 7;
6275 nrCastlingRights = 0;
6276 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6279 pieces = ChuArray; pieceRows = 3;
6280 gameInfo.boardWidth = 12;
6281 gameInfo.boardHeight = 12;
6282 nrCastlingRights = 0;
6283 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6284 "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6286 case VariantCourier:
6287 pieces = CourierArray;
6288 gameInfo.boardWidth = 12;
6289 nrCastlingRights = 0;
6290 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6292 case VariantKnightmate:
6293 pieces = KnightmateArray;
6294 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6296 case VariantSpartan:
6297 pieces = SpartanArray;
6298 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6302 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6304 case VariantChuChess:
6305 pieces = ChuChessArray;
6306 gameInfo.boardWidth = 10;
6307 gameInfo.boardHeight = 10;
6308 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6311 pieces = fairyArray;
6312 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6315 pieces = GreatArray;
6316 gameInfo.boardWidth = 10;
6317 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6318 gameInfo.holdingsSize = 8;
6322 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6323 gameInfo.holdingsSize = 8;
6324 startedFromSetupPosition = TRUE;
6326 case VariantCrazyhouse:
6327 case VariantBughouse:
6329 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6330 gameInfo.holdingsSize = 5;
6332 case VariantWildCastle:
6334 /* !!?shuffle with kings guaranteed to be on d or e file */
6335 shuffleOpenings = 1;
6337 case VariantNoCastle:
6339 nrCastlingRights = 0;
6340 /* !!?unconstrained back-rank shuffle */
6341 shuffleOpenings = 1;
6346 if(appData.NrFiles >= 0) {
6347 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6348 gameInfo.boardWidth = appData.NrFiles;
6350 if(appData.NrRanks >= 0) {
6351 gameInfo.boardHeight = appData.NrRanks;
6353 if(appData.holdingsSize >= 0) {
6354 i = appData.holdingsSize;
6355 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6356 gameInfo.holdingsSize = i;
6358 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6359 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6360 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6362 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6363 if(pawnRow < 1) pawnRow = 1;
6364 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6365 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6366 if(gameInfo.variant == VariantChu) pawnRow = 3;
6368 /* User pieceToChar list overrules defaults */
6369 if(appData.pieceToCharTable != NULL)
6370 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6372 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6374 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6375 s = (ChessSquare) 0; /* account holding counts in guard band */
6376 for( i=0; i<BOARD_HEIGHT; i++ )
6377 initialPosition[i][j] = s;
6379 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6380 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6381 initialPosition[pawnRow][j] = WhitePawn;
6382 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6383 if(gameInfo.variant == VariantXiangqi) {
6385 initialPosition[pawnRow][j] =
6386 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6387 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6388 initialPosition[2][j] = WhiteCannon;
6389 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6393 if(gameInfo.variant == VariantChu) {
6394 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6395 initialPosition[pawnRow+1][j] = WhiteCobra,
6396 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6397 for(i=1; i<pieceRows; i++) {
6398 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6399 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6402 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6403 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6404 initialPosition[0][j] = WhiteRook;
6405 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6408 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6410 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6411 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6414 initialPosition[1][j] = WhiteBishop;
6415 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6417 initialPosition[1][j] = WhiteRook;
6418 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6421 if( nrCastlingRights == -1) {
6422 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6423 /* This sets default castling rights from none to normal corners */
6424 /* Variants with other castling rights must set them themselves above */
6425 nrCastlingRights = 6;
6427 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6428 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6429 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6430 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6431 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6432 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6435 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6436 if(gameInfo.variant == VariantGreat) { // promotion commoners
6437 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6438 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6439 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6440 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6442 if( gameInfo.variant == VariantSChess ) {
6443 initialPosition[1][0] = BlackMarshall;
6444 initialPosition[2][0] = BlackAngel;
6445 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6446 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6447 initialPosition[1][1] = initialPosition[2][1] =
6448 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6450 if (appData.debugMode) {
6451 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6453 if(shuffleOpenings) {
6454 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6455 startedFromSetupPosition = TRUE;
6457 if(startedFromPositionFile) {
6458 /* [HGM] loadPos: use PositionFile for every new game */
6459 CopyBoard(initialPosition, filePosition);
6460 for(i=0; i<nrCastlingRights; i++)
6461 initialRights[i] = filePosition[CASTLING][i];
6462 startedFromSetupPosition = TRUE;
6464 if(*appData.men) LoadPieceDesc(appData.men);
6466 CopyBoard(boards[0], initialPosition);
6468 if(oldx != gameInfo.boardWidth ||
6469 oldy != gameInfo.boardHeight ||
6470 oldv != gameInfo.variant ||
6471 oldh != gameInfo.holdingsWidth
6473 InitDrawingSizes(-2 ,0);
6475 oldv = gameInfo.variant;
6477 DrawPosition(TRUE, boards[currentMove]);
6481 SendBoard (ChessProgramState *cps, int moveNum)
6483 char message[MSG_SIZ];
6485 if (cps->useSetboard) {
6486 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6487 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6488 SendToProgram(message, cps);
6493 int i, j, left=0, right=BOARD_WIDTH;
6494 /* Kludge to set black to move, avoiding the troublesome and now
6495 * deprecated "black" command.
6497 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6498 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6500 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6502 SendToProgram("edit\n", cps);
6503 SendToProgram("#\n", cps);
6504 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6505 bp = &boards[moveNum][i][left];
6506 for (j = left; j < right; j++, bp++) {
6507 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6508 if ((int) *bp < (int) BlackPawn) {
6509 if(j == BOARD_RGHT+1)
6510 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6511 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6512 if(message[0] == '+' || message[0] == '~') {
6513 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6514 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6515 AAA + j, ONE + i - '0');
6517 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6518 message[1] = BOARD_RGHT - 1 - j + '1';
6519 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6521 SendToProgram(message, cps);
6526 SendToProgram("c\n", cps);
6527 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6528 bp = &boards[moveNum][i][left];
6529 for (j = left; j < right; j++, bp++) {
6530 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6531 if (((int) *bp != (int) EmptySquare)
6532 && ((int) *bp >= (int) BlackPawn)) {
6533 if(j == BOARD_LEFT-2)
6534 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6535 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6536 AAA + j, ONE + i - '0');
6537 if(message[0] == '+' || message[0] == '~') {
6538 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6539 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6540 AAA + j, ONE + i - '0');
6542 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6543 message[1] = BOARD_RGHT - 1 - j + '1';
6544 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6546 SendToProgram(message, cps);
6551 SendToProgram(".\n", cps);
6553 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6556 char exclusionHeader[MSG_SIZ];
6557 int exCnt, excludePtr;
6558 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6559 static Exclusion excluTab[200];
6560 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6566 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6567 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6573 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6574 excludePtr = 24; exCnt = 0;
6579 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6580 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6581 char buf[2*MOVE_LEN], *p;
6582 Exclusion *e = excluTab;
6584 for(i=0; i<exCnt; i++)
6585 if(e[i].ff == fromX && e[i].fr == fromY &&
6586 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6587 if(i == exCnt) { // was not in exclude list; add it
6588 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6589 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6590 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6593 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6594 excludePtr++; e[i].mark = excludePtr++;
6595 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6598 exclusionHeader[e[i].mark] = state;
6602 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6603 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6607 if((signed char)promoChar == -1) { // kludge to indicate best move
6608 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6609 return 1; // if unparsable, abort
6611 // update exclusion map (resolving toggle by consulting existing state)
6612 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6614 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6615 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6616 excludeMap[k] |= 1<<j;
6617 else excludeMap[k] &= ~(1<<j);
6619 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6621 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6622 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6624 return (state == '+');
6628 ExcludeClick (int index)
6631 Exclusion *e = excluTab;
6632 if(index < 25) { // none, best or tail clicked
6633 if(index < 13) { // none: include all
6634 WriteMap(0); // clear map
6635 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6636 SendToBoth("include all\n"); // and inform engine
6637 } else if(index > 18) { // tail
6638 if(exclusionHeader[19] == '-') { // tail was excluded
6639 SendToBoth("include all\n");
6640 WriteMap(0); // clear map completely
6641 // now re-exclude selected moves
6642 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6643 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6644 } else { // tail was included or in mixed state
6645 SendToBoth("exclude all\n");
6646 WriteMap(0xFF); // fill map completely
6647 // now re-include selected moves
6648 j = 0; // count them
6649 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6650 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6651 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6654 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6657 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6658 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6659 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6666 DefaultPromoChoice (int white)
6669 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6670 gameInfo.variant == VariantMakruk)
6671 result = WhiteFerz; // no choice
6672 else if(gameInfo.variant == VariantASEAN)
6673 result = WhiteRook; // no choice
6674 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6675 result= WhiteKing; // in Suicide Q is the last thing we want
6676 else if(gameInfo.variant == VariantSpartan)
6677 result = white ? WhiteQueen : WhiteAngel;
6678 else result = WhiteQueen;
6679 if(!white) result = WHITE_TO_BLACK result;
6683 static int autoQueen; // [HGM] oneclick
6686 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6688 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6689 /* [HGM] add Shogi promotions */
6690 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6691 ChessSquare piece, partner;
6695 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6696 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6698 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6699 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6702 piece = boards[currentMove][fromY][fromX];
6703 if(gameInfo.variant == VariantChu) {
6704 promotionZoneSize = BOARD_HEIGHT/3;
6705 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6706 } else if(gameInfo.variant == VariantShogi) {
6707 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6708 highestPromotingPiece = (int)WhiteAlfil;
6709 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6710 promotionZoneSize = 3;
6713 // Treat Lance as Pawn when it is not representing Amazon or Lance
6714 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6715 if(piece == WhiteLance) piece = WhitePawn; else
6716 if(piece == BlackLance) piece = BlackPawn;
6719 // next weed out all moves that do not touch the promotion zone at all
6720 if((int)piece >= BlackPawn) {
6721 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6723 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6724 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6726 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6727 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6728 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6732 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6734 // weed out mandatory Shogi promotions
6735 if(gameInfo.variant == VariantShogi) {
6736 if(piece >= BlackPawn) {
6737 if(toY == 0 && piece == BlackPawn ||
6738 toY == 0 && piece == BlackQueen ||
6739 toY <= 1 && piece == BlackKnight) {
6744 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6745 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6746 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6753 // weed out obviously illegal Pawn moves
6754 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6755 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6756 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6757 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6758 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6759 // note we are not allowed to test for valid (non-)capture, due to premove
6762 // we either have a choice what to promote to, or (in Shogi) whether to promote
6763 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6764 gameInfo.variant == VariantMakruk) {
6765 ChessSquare p=BlackFerz; // no choice
6766 while(p < EmptySquare) { //but make sure we use piece that exists
6767 *promoChoice = PieceToChar(p++);
6768 if(*promoChoice != '.') break;
6770 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6772 // no sense asking what we must promote to if it is going to explode...
6773 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6774 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6777 // give caller the default choice even if we will not make it
6778 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6779 partner = piece; // pieces can promote if the pieceToCharTable says so
6780 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6781 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6782 if( sweepSelect && gameInfo.variant != VariantGreat
6783 && gameInfo.variant != VariantGrand
6784 && gameInfo.variant != VariantSuper) return FALSE;
6785 if(autoQueen) return FALSE; // predetermined
6787 // suppress promotion popup on illegal moves that are not premoves
6788 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6789 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6790 if(appData.testLegality && !premove) {
6791 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6792 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6793 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6794 if(moveType != WhitePromotion && moveType != BlackPromotion)
6802 InPalace (int row, int column)
6803 { /* [HGM] for Xiangqi */
6804 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6805 column < (BOARD_WIDTH + 4)/2 &&
6806 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6811 PieceForSquare (int x, int y)
6813 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6816 return boards[currentMove][y][x];
6820 OKToStartUserMove (int x, int y)
6822 ChessSquare from_piece;
6825 if (matchMode) return FALSE;
6826 if (gameMode == EditPosition) return TRUE;
6828 if (x >= 0 && y >= 0)
6829 from_piece = boards[currentMove][y][x];
6831 from_piece = EmptySquare;
6833 if (from_piece == EmptySquare) return FALSE;
6835 white_piece = (int)from_piece >= (int)WhitePawn &&
6836 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6840 case TwoMachinesPlay:
6848 case MachinePlaysWhite:
6849 case IcsPlayingBlack:
6850 if (appData.zippyPlay) return FALSE;
6852 DisplayMoveError(_("You are playing Black"));
6857 case MachinePlaysBlack:
6858 case IcsPlayingWhite:
6859 if (appData.zippyPlay) return FALSE;
6861 DisplayMoveError(_("You are playing White"));
6866 case PlayFromGameFile:
6867 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6870 if (!white_piece && WhiteOnMove(currentMove)) {
6871 DisplayMoveError(_("It is White's turn"));
6874 if (white_piece && !WhiteOnMove(currentMove)) {
6875 DisplayMoveError(_("It is Black's turn"));
6878 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6879 /* Editing correspondence game history */
6880 /* Could disallow this or prompt for confirmation */
6885 case BeginningOfGame:
6886 if (appData.icsActive) return FALSE;
6887 if (!appData.noChessProgram) {
6889 DisplayMoveError(_("You are playing White"));
6896 if (!white_piece && WhiteOnMove(currentMove)) {
6897 DisplayMoveError(_("It is White's turn"));
6900 if (white_piece && !WhiteOnMove(currentMove)) {
6901 DisplayMoveError(_("It is Black's turn"));
6910 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6911 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6912 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6913 && gameMode != AnalyzeFile && gameMode != Training) {
6914 DisplayMoveError(_("Displayed position is not current"));
6921 OnlyMove (int *x, int *y, Boolean captures)
6923 DisambiguateClosure cl;
6924 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6926 case MachinePlaysBlack:
6927 case IcsPlayingWhite:
6928 case BeginningOfGame:
6929 if(!WhiteOnMove(currentMove)) return FALSE;
6931 case MachinePlaysWhite:
6932 case IcsPlayingBlack:
6933 if(WhiteOnMove(currentMove)) return FALSE;
6940 cl.pieceIn = EmptySquare;
6945 cl.promoCharIn = NULLCHAR;
6946 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6947 if( cl.kind == NormalMove ||
6948 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6949 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6950 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6957 if(cl.kind != ImpossibleMove) return FALSE;
6958 cl.pieceIn = EmptySquare;
6963 cl.promoCharIn = NULLCHAR;
6964 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6965 if( cl.kind == NormalMove ||
6966 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6967 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6968 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6973 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6979 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6980 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6981 int lastLoadGameUseList = FALSE;
6982 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6983 ChessMove lastLoadGameStart = EndOfFile;
6985 Boolean addToBookFlag;
6986 static Board rightsBoard, nullBoard;
6989 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6993 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6995 /* Check if the user is playing in turn. This is complicated because we
6996 let the user "pick up" a piece before it is his turn. So the piece he
6997 tried to pick up may have been captured by the time he puts it down!
6998 Therefore we use the color the user is supposed to be playing in this
6999 test, not the color of the piece that is currently on the starting
7000 square---except in EditGame mode, where the user is playing both
7001 sides; fortunately there the capture race can't happen. (It can
7002 now happen in IcsExamining mode, but that's just too bad. The user
7003 will get a somewhat confusing message in that case.)
7008 case TwoMachinesPlay:
7012 /* We switched into a game mode where moves are not accepted,
7013 perhaps while the mouse button was down. */
7016 case MachinePlaysWhite:
7017 /* User is moving for Black */
7018 if (WhiteOnMove(currentMove)) {
7019 DisplayMoveError(_("It is White's turn"));
7024 case MachinePlaysBlack:
7025 /* User is moving for White */
7026 if (!WhiteOnMove(currentMove)) {
7027 DisplayMoveError(_("It is Black's turn"));
7032 case PlayFromGameFile:
7033 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7036 case BeginningOfGame:
7039 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7040 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7041 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7042 /* User is moving for Black */
7043 if (WhiteOnMove(currentMove)) {
7044 DisplayMoveError(_("It is White's turn"));
7048 /* User is moving for White */
7049 if (!WhiteOnMove(currentMove)) {
7050 DisplayMoveError(_("It is Black's turn"));
7056 case IcsPlayingBlack:
7057 /* User is moving for Black */
7058 if (WhiteOnMove(currentMove)) {
7059 if (!appData.premove) {
7060 DisplayMoveError(_("It is White's turn"));
7061 } else if (toX >= 0 && toY >= 0) {
7064 premoveFromX = fromX;
7065 premoveFromY = fromY;
7066 premovePromoChar = promoChar;
7068 if (appData.debugMode)
7069 fprintf(debugFP, "Got premove: fromX %d,"
7070 "fromY %d, toX %d, toY %d\n",
7071 fromX, fromY, toX, toY);
7073 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7078 case IcsPlayingWhite:
7079 /* User is moving for White */
7080 if (!WhiteOnMove(currentMove)) {
7081 if (!appData.premove) {
7082 DisplayMoveError(_("It is Black's turn"));
7083 } else if (toX >= 0 && toY >= 0) {
7086 premoveFromX = fromX;
7087 premoveFromY = fromY;
7088 premovePromoChar = promoChar;
7090 if (appData.debugMode)
7091 fprintf(debugFP, "Got premove: fromX %d,"
7092 "fromY %d, toX %d, toY %d\n",
7093 fromX, fromY, toX, toY);
7095 DrawPosition(TRUE, boards[currentMove]);
7104 /* EditPosition, empty square, or different color piece;
7105 click-click move is possible */
7106 if (toX == -2 || toY == -2) {
7107 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7108 DrawPosition(FALSE, boards[currentMove]);
7110 } else if (toX >= 0 && toY >= 0) {
7111 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7112 ChessSquare p = boards[0][rf][ff];
7113 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7114 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7115 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7116 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7117 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7120 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7121 boards[0][toY][toX] = boards[0][fromY][fromX];
7122 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7123 if(boards[0][fromY][0] != EmptySquare) {
7124 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7125 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7128 if(fromX == BOARD_RGHT+1) {
7129 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7130 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7131 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7134 boards[0][fromY][fromX] = gatingPiece;
7136 DrawPosition(FALSE, boards[currentMove]);
7142 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7143 pup = boards[currentMove][toY][toX];
7145 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7146 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7147 if( pup != EmptySquare ) return;
7148 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7149 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7150 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7151 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7152 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7153 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7154 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7158 /* [HGM] always test for legality, to get promotion info */
7159 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7160 fromY, fromX, toY, toX, promoChar);
7162 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7164 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7166 /* [HGM] but possibly ignore an IllegalMove result */
7167 if (appData.testLegality) {
7168 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7169 DisplayMoveError(_("Illegal move"));
7174 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7175 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7176 ClearPremoveHighlights(); // was included
7177 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7178 DrawPosition(FALSE, NULL);
7182 if(addToBookFlag) { // adding moves to book
7183 char buf[MSG_SIZ], move[MSG_SIZ];
7184 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7185 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7186 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7187 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7189 addToBookFlag = FALSE;
7194 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7197 /* Common tail of UserMoveEvent and DropMenuEvent */
7199 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7203 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7204 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7205 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7206 if(WhiteOnMove(currentMove)) {
7207 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7209 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7213 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7214 move type in caller when we know the move is a legal promotion */
7215 if(moveType == NormalMove && promoChar)
7216 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7218 /* [HGM] <popupFix> The following if has been moved here from
7219 UserMoveEvent(). Because it seemed to belong here (why not allow
7220 piece drops in training games?), and because it can only be
7221 performed after it is known to what we promote. */
7222 if (gameMode == Training) {
7223 /* compare the move played on the board to the next move in the
7224 * game. If they match, display the move and the opponent's response.
7225 * If they don't match, display an error message.
7229 CopyBoard(testBoard, boards[currentMove]);
7230 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7232 if (CompareBoards(testBoard, boards[currentMove+1])) {
7233 ForwardInner(currentMove+1);
7235 /* Autoplay the opponent's response.
7236 * if appData.animate was TRUE when Training mode was entered,
7237 * the response will be animated.
7239 saveAnimate = appData.animate;
7240 appData.animate = animateTraining;
7241 ForwardInner(currentMove+1);
7242 appData.animate = saveAnimate;
7244 /* check for the end of the game */
7245 if (currentMove >= forwardMostMove) {
7246 gameMode = PlayFromGameFile;
7248 SetTrainingModeOff();
7249 DisplayInformation(_("End of game"));
7252 DisplayError(_("Incorrect move"), 0);
7257 /* Ok, now we know that the move is good, so we can kill
7258 the previous line in Analysis Mode */
7259 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7260 && currentMove < forwardMostMove) {
7261 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7262 else forwardMostMove = currentMove;
7267 /* If we need the chess program but it's dead, restart it */
7268 ResurrectChessProgram();
7270 /* A user move restarts a paused game*/
7274 thinkOutput[0] = NULLCHAR;
7276 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7278 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7279 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7283 if (gameMode == BeginningOfGame) {
7284 if (appData.noChessProgram) {
7285 gameMode = EditGame;
7289 gameMode = MachinePlaysBlack;
7292 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7294 if (first.sendName) {
7295 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7296 SendToProgram(buf, &first);
7303 /* Relay move to ICS or chess engine */
7304 if (appData.icsActive) {
7305 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7306 gameMode == IcsExamining) {
7307 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7308 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7310 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7312 // also send plain move, in case ICS does not understand atomic claims
7313 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7317 if (first.sendTime && (gameMode == BeginningOfGame ||
7318 gameMode == MachinePlaysWhite ||
7319 gameMode == MachinePlaysBlack)) {
7320 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7322 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7323 // [HGM] book: if program might be playing, let it use book
7324 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7325 first.maybeThinking = TRUE;
7326 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7327 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7328 SendBoard(&first, currentMove+1);
7329 if(second.analyzing) {
7330 if(!second.useSetboard) SendToProgram("undo\n", &second);
7331 SendBoard(&second, currentMove+1);
7334 SendMoveToProgram(forwardMostMove-1, &first);
7335 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7337 if (currentMove == cmailOldMove + 1) {
7338 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7342 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7346 if(appData.testLegality)
7347 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7353 if (WhiteOnMove(currentMove)) {
7354 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7356 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7360 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7365 case MachinePlaysBlack:
7366 case MachinePlaysWhite:
7367 /* disable certain menu options while machine is thinking */
7368 SetMachineThinkingEnables();
7375 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7376 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7378 if(bookHit) { // [HGM] book: simulate book reply
7379 static char bookMove[MSG_SIZ]; // a bit generous?
7381 programStats.nodes = programStats.depth = programStats.time =
7382 programStats.score = programStats.got_only_move = 0;
7383 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7385 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7386 strcat(bookMove, bookHit);
7387 HandleMachineMove(bookMove, &first);
7393 MarkByFEN(char *fen)
7396 if(!appData.markers || !appData.highlightDragging) return;
7397 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7398 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7402 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7403 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7404 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7405 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7406 if(*fen == 'T') marker[r][f++] = 0; else
7407 if(*fen == 'Y') marker[r][f++] = 1; else
7408 if(*fen == 'G') marker[r][f++] = 3; else
7409 if(*fen == 'B') marker[r][f++] = 4; else
7410 if(*fen == 'C') marker[r][f++] = 5; else
7411 if(*fen == 'M') marker[r][f++] = 6; else
7412 if(*fen == 'W') marker[r][f++] = 7; else
7413 if(*fen == 'D') marker[r][f++] = 8; else
7414 if(*fen == 'R') marker[r][f++] = 2; else {
7415 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7418 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7422 DrawPosition(TRUE, NULL);
7425 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7428 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7430 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7431 Markers *m = (Markers *) closure;
7432 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7433 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7434 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7435 || kind == WhiteCapturesEnPassant
7436 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7437 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7440 static int hoverSavedValid;
7443 MarkTargetSquares (int clear)
7446 if(clear) { // no reason to ever suppress clearing
7447 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7448 hoverSavedValid = 0;
7449 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7452 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7453 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7454 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7455 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7456 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7458 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7461 DrawPosition(FALSE, NULL);
7465 Explode (Board board, int fromX, int fromY, int toX, int toY)
7467 if(gameInfo.variant == VariantAtomic &&
7468 (board[toY][toX] != EmptySquare || // capture?
7469 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7470 board[fromY][fromX] == BlackPawn )
7472 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7478 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7481 CanPromote (ChessSquare piece, int y)
7483 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7484 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7485 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7486 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7487 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7488 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7489 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7490 return (piece == BlackPawn && y <= zone ||
7491 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7492 piece == BlackLance && y <= zone ||
7493 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7497 HoverEvent (int xPix, int yPix, int x, int y)
7499 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7501 if(!first.highlight) return;
7502 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7503 if(x == oldX && y == oldY) return; // only do something if we enter new square
7504 oldFromX = fromX; oldFromY = fromY;
7505 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7506 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7507 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7508 hoverSavedValid = 1;
7509 } else if(oldX != x || oldY != y) {
7510 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7511 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7512 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7513 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7514 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7516 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7517 SendToProgram(buf, &first);
7520 // SetHighlights(fromX, fromY, x, y);
7524 void ReportClick(char *action, int x, int y)
7526 char buf[MSG_SIZ]; // Inform engine of what user does
7528 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7529 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7530 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7531 if(!first.highlight || gameMode == EditPosition) return;
7532 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7533 SendToProgram(buf, &first);
7536 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7539 LeftClick (ClickType clickType, int xPix, int yPix)
7542 Boolean saveAnimate;
7543 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7544 char promoChoice = NULLCHAR;
7546 static TimeMark lastClickTime, prevClickTime;
7548 if(flashing) return;
7550 x = EventToSquare(xPix, BOARD_WIDTH);
7551 y = EventToSquare(yPix, BOARD_HEIGHT);
7552 if (!flipView && y >= 0) {
7553 y = BOARD_HEIGHT - 1 - y;
7555 if (flipView && x >= 0) {
7556 x = BOARD_WIDTH - 1 - x;
7559 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7561 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7566 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7568 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7570 if (clickType == Press) ErrorPopDown();
7571 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7573 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7574 defaultPromoChoice = promoSweep;
7575 promoSweep = EmptySquare; // terminate sweep
7576 promoDefaultAltered = TRUE;
7577 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7580 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7581 if(clickType == Release) return; // ignore upclick of click-click destination
7582 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7583 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7584 if(gameInfo.holdingsWidth &&
7585 (WhiteOnMove(currentMove)
7586 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7587 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7588 // click in right holdings, for determining promotion piece
7589 ChessSquare p = boards[currentMove][y][x];
7590 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7591 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7592 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7593 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7598 DrawPosition(FALSE, boards[currentMove]);
7602 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7603 if(clickType == Press
7604 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7605 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7606 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7609 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7610 // could be static click on premove from-square: abort premove
7612 ClearPremoveHighlights();
7615 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7616 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7618 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7619 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7620 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7621 defaultPromoChoice = DefaultPromoChoice(side);
7624 autoQueen = appData.alwaysPromoteToQueen;
7628 gatingPiece = EmptySquare;
7629 if (clickType != Press) {
7630 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7631 DragPieceEnd(xPix, yPix); dragging = 0;
7632 DrawPosition(FALSE, NULL);
7636 doubleClick = FALSE;
7637 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7638 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7640 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7641 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7642 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7643 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7645 if (OKToStartUserMove(fromX, fromY)) {
7647 ReportClick("lift", x, y);
7648 MarkTargetSquares(0);
7649 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7650 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7651 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7652 promoSweep = defaultPromoChoice;
7653 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7654 Sweep(0); // Pawn that is going to promote: preview promotion piece
7655 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7657 if (appData.highlightDragging) {
7658 SetHighlights(fromX, fromY, -1, -1);
7662 } else fromX = fromY = -1;
7668 if (clickType == Press && gameMode != EditPosition) {
7673 // ignore off-board to clicks
7674 if(y < 0 || x < 0) return;
7676 /* Check if clicking again on the same color piece */
7677 fromP = boards[currentMove][fromY][fromX];
7678 toP = boards[currentMove][y][x];
7679 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7680 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7681 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7682 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7683 WhitePawn <= toP && toP <= WhiteKing &&
7684 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7685 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7686 (BlackPawn <= fromP && fromP <= BlackKing &&
7687 BlackPawn <= toP && toP <= BlackKing &&
7688 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7689 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7690 /* Clicked again on same color piece -- changed his mind */
7691 second = (x == fromX && y == fromY);
7692 killX = killY = kill2X = kill2Y = -1;
7693 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7694 second = FALSE; // first double-click rather than scond click
7695 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7697 promoDefaultAltered = FALSE;
7698 if(!second) MarkTargetSquares(1);
7699 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7700 if (appData.highlightDragging) {
7701 SetHighlights(x, y, -1, -1);
7705 if (OKToStartUserMove(x, y)) {
7706 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7707 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7708 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7709 gatingPiece = boards[currentMove][fromY][fromX];
7710 else gatingPiece = doubleClick ? fromP : EmptySquare;
7712 fromY = y; dragging = 1;
7713 if(!second) ReportClick("lift", x, y);
7714 MarkTargetSquares(0);
7715 DragPieceBegin(xPix, yPix, FALSE);
7716 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7717 promoSweep = defaultPromoChoice;
7718 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7719 Sweep(0); // Pawn that is going to promote: preview promotion piece
7723 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7726 // ignore clicks on holdings
7727 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7730 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7731 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7732 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7736 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7737 DragPieceEnd(xPix, yPix); dragging = 0;
7739 // a deferred attempt to click-click move an empty square on top of a piece
7740 boards[currentMove][y][x] = EmptySquare;
7742 DrawPosition(FALSE, boards[currentMove]);
7743 fromX = fromY = -1; clearFlag = 0;
7746 if (appData.animateDragging) {
7747 /* Undo animation damage if any */
7748 DrawPosition(FALSE, NULL);
7751 /* Second up/down in same square; just abort move */
7754 gatingPiece = EmptySquare;
7757 ClearPremoveHighlights();
7758 MarkTargetSquares(-1);
7759 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7761 /* First upclick in same square; start click-click mode */
7762 SetHighlights(x, y, -1, -1);
7769 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7770 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7771 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7772 DisplayMessage(_("only marked squares are legal"),"");
7773 DrawPosition(TRUE, NULL);
7774 return; // ignore to-click
7777 /* we now have a different from- and (possibly off-board) to-square */
7778 /* Completed move */
7779 if(!sweepSelecting) {
7784 piece = boards[currentMove][fromY][fromX];
7786 saveAnimate = appData.animate;
7787 if (clickType == Press) {
7788 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7789 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7790 // must be Edit Position mode with empty-square selected
7791 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7792 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7795 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7798 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7799 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7801 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7802 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7803 if(appData.sweepSelect) {
7804 promoSweep = defaultPromoChoice;
7805 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7806 selectFlag = 0; lastX = xPix; lastY = yPix;
7807 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7808 saveFlash = appData.flashCount; appData.flashCount = 0;
7809 Sweep(0); // Pawn that is going to promote: preview promotion piece
7811 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7812 MarkTargetSquares(1);
7814 return; // promo popup appears on up-click
7816 /* Finish clickclick move */
7817 if (appData.animate || appData.highlightLastMove) {
7818 SetHighlights(fromX, fromY, toX, toY);
7822 MarkTargetSquares(1);
7823 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7824 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7825 *promoRestrict = 0; appData.flashCount = saveFlash;
7826 if (appData.animate || appData.highlightLastMove) {
7827 SetHighlights(fromX, fromY, toX, toY);
7831 MarkTargetSquares(1);
7834 // [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
7835 /* Finish drag move */
7836 if (appData.highlightLastMove) {
7837 SetHighlights(fromX, fromY, toX, toY);
7842 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7843 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7844 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7845 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7846 dragging *= 2; // flag button-less dragging if we are dragging
7847 MarkTargetSquares(1);
7848 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7850 kill2X = killX; kill2Y = killY;
7851 killX = x; killY = y; // remember this square as intermediate
7852 ReportClick("put", x, y); // and inform engine
7853 ReportClick("lift", x, y);
7854 MarkTargetSquares(0);
7858 DragPieceEnd(xPix, yPix); dragging = 0;
7859 /* Don't animate move and drag both */
7860 appData.animate = FALSE;
7861 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7864 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7865 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7866 ChessSquare piece = boards[currentMove][fromY][fromX];
7867 if(gameMode == EditPosition && piece != EmptySquare &&
7868 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7871 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7872 n = PieceToNumber(piece - (int)BlackPawn);
7873 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7874 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7875 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7877 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7878 n = PieceToNumber(piece);
7879 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7880 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7881 boards[currentMove][n][BOARD_WIDTH-2]++;
7883 boards[currentMove][fromY][fromX] = EmptySquare;
7887 MarkTargetSquares(1);
7888 DrawPosition(TRUE, boards[currentMove]);
7892 // off-board moves should not be highlighted
7893 if(x < 0 || y < 0) ClearHighlights();
7894 else ReportClick("put", x, y);
7896 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7898 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7900 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7901 SetHighlights(fromX, fromY, toX, toY);
7902 MarkTargetSquares(1);
7903 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7904 // [HGM] super: promotion to captured piece selected from holdings
7905 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7906 promotionChoice = TRUE;
7907 // kludge follows to temporarily execute move on display, without promoting yet
7908 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7909 boards[currentMove][toY][toX] = p;
7910 DrawPosition(FALSE, boards[currentMove]);
7911 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7912 boards[currentMove][toY][toX] = q;
7913 DisplayMessage("Click in holdings to choose piece", "");
7916 PromotionPopUp(promoChoice);
7918 int oldMove = currentMove;
7919 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7920 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7921 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7922 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7923 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7924 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7925 DrawPosition(TRUE, boards[currentMove]);
7929 appData.animate = saveAnimate;
7930 if (appData.animate || appData.animateDragging) {
7931 /* Undo animation damage if needed */
7932 // DrawPosition(FALSE, NULL);
7937 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7938 { // front-end-free part taken out of PieceMenuPopup
7939 int whichMenu; int xSqr, ySqr;
7941 if(seekGraphUp) { // [HGM] seekgraph
7942 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7943 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7947 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7948 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7949 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7950 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7951 if(action == Press) {
7952 originalFlip = flipView;
7953 flipView = !flipView; // temporarily flip board to see game from partners perspective
7954 DrawPosition(TRUE, partnerBoard);
7955 DisplayMessage(partnerStatus, "");
7957 } else if(action == Release) {
7958 flipView = originalFlip;
7959 DrawPosition(TRUE, boards[currentMove]);
7965 xSqr = EventToSquare(x, BOARD_WIDTH);
7966 ySqr = EventToSquare(y, BOARD_HEIGHT);
7967 if (action == Release) {
7968 if(pieceSweep != EmptySquare) {
7969 EditPositionMenuEvent(pieceSweep, toX, toY);
7970 pieceSweep = EmptySquare;
7971 } else UnLoadPV(); // [HGM] pv
7973 if (action != Press) return -2; // return code to be ignored
7976 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7978 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7979 if (xSqr < 0 || ySqr < 0) return -1;
7980 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7981 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7982 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7983 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7987 if(!appData.icsEngineAnalyze) return -1;
7988 case IcsPlayingWhite:
7989 case IcsPlayingBlack:
7990 if(!appData.zippyPlay) goto noZip;
7993 case MachinePlaysWhite:
7994 case MachinePlaysBlack:
7995 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7996 if (!appData.dropMenu) {
7998 return 2; // flag front-end to grab mouse events
8000 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8001 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8004 if (xSqr < 0 || ySqr < 0) return -1;
8005 if (!appData.dropMenu || appData.testLegality &&
8006 gameInfo.variant != VariantBughouse &&
8007 gameInfo.variant != VariantCrazyhouse) return -1;
8008 whichMenu = 1; // drop menu
8014 if (((*fromX = xSqr) < 0) ||
8015 ((*fromY = ySqr) < 0)) {
8016 *fromX = *fromY = -1;
8020 *fromX = BOARD_WIDTH - 1 - *fromX;
8022 *fromY = BOARD_HEIGHT - 1 - *fromY;
8028 Wheel (int dir, int x, int y)
8030 if(gameMode == EditPosition) {
8031 int xSqr = EventToSquare(x, BOARD_WIDTH);
8032 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8033 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8034 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8036 boards[currentMove][ySqr][xSqr] += dir;
8037 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8038 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8039 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8040 DrawPosition(FALSE, boards[currentMove]);
8041 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8045 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8047 // char * hint = lastHint;
8048 FrontEndProgramStats stats;
8050 stats.which = cps == &first ? 0 : 1;
8051 stats.depth = cpstats->depth;
8052 stats.nodes = cpstats->nodes;
8053 stats.score = cpstats->score;
8054 stats.time = cpstats->time;
8055 stats.pv = cpstats->movelist;
8056 stats.hint = lastHint;
8057 stats.an_move_index = 0;
8058 stats.an_move_count = 0;
8060 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8061 stats.hint = cpstats->move_name;
8062 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8063 stats.an_move_count = cpstats->nr_moves;
8066 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
8068 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8069 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8071 SetProgramStats( &stats );
8075 ClearEngineOutputPane (int which)
8077 static FrontEndProgramStats dummyStats;
8078 dummyStats.which = which;
8079 dummyStats.pv = "#";
8080 SetProgramStats( &dummyStats );
8083 #define MAXPLAYERS 500
8086 TourneyStandings (int display)
8088 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8089 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8090 char result, *p, *names[MAXPLAYERS];
8092 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8093 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8094 names[0] = p = strdup(appData.participants);
8095 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8097 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8099 while(result = appData.results[nr]) {
8100 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8101 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8102 wScore = bScore = 0;
8104 case '+': wScore = 2; break;
8105 case '-': bScore = 2; break;
8106 case '=': wScore = bScore = 1; break;
8108 case '*': return strdup("busy"); // tourney not finished
8116 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8117 for(w=0; w<nPlayers; w++) {
8119 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8120 ranking[w] = b; points[w] = bScore; score[b] = -2;
8122 p = malloc(nPlayers*34+1);
8123 for(w=0; w<nPlayers && w<display; w++)
8124 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8130 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8131 { // count all piece types
8133 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8134 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8135 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8138 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8139 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8140 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8141 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8142 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8143 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8148 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8150 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8151 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8153 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8154 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8155 if(myPawns == 2 && nMine == 3) // KPP
8156 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8157 if(myPawns == 1 && nMine == 2) // KP
8158 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8159 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8160 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8161 if(myPawns) return FALSE;
8162 if(pCnt[WhiteRook+side])
8163 return pCnt[BlackRook-side] ||
8164 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8165 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8166 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8167 if(pCnt[WhiteCannon+side]) {
8168 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8169 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8171 if(pCnt[WhiteKnight+side])
8172 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8177 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8179 VariantClass v = gameInfo.variant;
8181 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8182 if(v == VariantShatranj) return TRUE; // always winnable through baring
8183 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8184 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8186 if(v == VariantXiangqi) {
8187 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8189 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8190 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8191 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8192 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8193 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8194 if(stale) // we have at least one last-rank P plus perhaps C
8195 return majors // KPKX
8196 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8198 return pCnt[WhiteFerz+side] // KCAK
8199 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8200 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8201 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8203 } else if(v == VariantKnightmate) {
8204 if(nMine == 1) return FALSE;
8205 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8206 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8207 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8209 if(nMine == 1) return FALSE; // bare King
8210 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
8211 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8212 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8213 // by now we have King + 1 piece (or multiple Bishops on the same color)
8214 if(pCnt[WhiteKnight+side])
8215 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8216 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8217 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8219 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8220 if(pCnt[WhiteAlfil+side])
8221 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8222 if(pCnt[WhiteWazir+side])
8223 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8230 CompareWithRights (Board b1, Board b2)
8233 if(!CompareBoards(b1, b2)) return FALSE;
8234 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8235 /* compare castling rights */
8236 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8237 rights++; /* King lost rights, while rook still had them */
8238 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8239 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8240 rights++; /* but at least one rook lost them */
8242 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8244 if( b1[CASTLING][5] != NoRights ) {
8245 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8252 Adjudicate (ChessProgramState *cps)
8253 { // [HGM] some adjudications useful with buggy engines
8254 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8255 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8256 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8257 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8258 int k, drop, count = 0; static int bare = 1;
8259 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8260 Boolean canAdjudicate = !appData.icsActive;
8262 // most tests only when we understand the game, i.e. legality-checking on
8263 if( appData.testLegality )
8264 { /* [HGM] Some more adjudications for obstinate engines */
8265 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8266 static int moveCount = 6;
8268 char *reason = NULL;
8270 /* Count what is on board. */
8271 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8273 /* Some material-based adjudications that have to be made before stalemate test */
8274 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8275 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8276 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8277 if(canAdjudicate && appData.checkMates) {
8279 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8280 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8281 "Xboard adjudication: King destroyed", GE_XBOARD );
8286 /* Bare King in Shatranj (loses) or Losers (wins) */
8287 if( nrW == 1 || nrB == 1) {
8288 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8289 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8290 if(canAdjudicate && appData.checkMates) {
8292 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8293 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8294 "Xboard adjudication: Bare king", GE_XBOARD );
8298 if( gameInfo.variant == VariantShatranj && --bare < 0)
8300 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8301 if(canAdjudicate && appData.checkMates) {
8302 /* but only adjudicate if adjudication enabled */
8304 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8305 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8306 "Xboard adjudication: Bare king", GE_XBOARD );
8313 // don't wait for engine to announce game end if we can judge ourselves
8314 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8316 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8317 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8318 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8319 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8322 reason = "Xboard adjudication: 3rd check";
8323 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8334 reason = "Xboard adjudication: Stalemate";
8335 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8336 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8337 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8338 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8339 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8340 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8341 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8342 EP_CHECKMATE : EP_WINS);
8343 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8344 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8348 reason = "Xboard adjudication: Checkmate";
8349 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8350 if(gameInfo.variant == VariantShogi) {
8351 if(forwardMostMove > backwardMostMove
8352 && moveList[forwardMostMove-1][1] == '@'
8353 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8354 reason = "XBoard adjudication: pawn-drop mate";
8355 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8361 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8363 result = GameIsDrawn; break;
8365 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8367 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8371 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8373 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8374 GameEnds( result, reason, GE_XBOARD );
8378 /* Next absolutely insufficient mating material. */
8379 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8380 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8381 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8383 /* always flag draws, for judging claims */
8384 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8386 if(canAdjudicate && appData.materialDraws) {
8387 /* but only adjudicate them if adjudication enabled */
8388 if(engineOpponent) {
8389 SendToProgram("force\n", engineOpponent); // suppress reply
8390 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8392 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8397 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8398 if(gameInfo.variant == VariantXiangqi ?
8399 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8401 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8402 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8403 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8404 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8406 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8407 { /* if the first 3 moves do not show a tactical win, declare draw */
8408 if(engineOpponent) {
8409 SendToProgram("force\n", engineOpponent); // suppress reply
8410 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8412 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8415 } else moveCount = 6;
8418 // Repetition draws and 50-move rule can be applied independently of legality testing
8420 /* Check for rep-draws */
8422 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8423 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8424 for(k = forwardMostMove-2;
8425 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8426 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8427 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8430 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8431 /* compare castling rights */
8432 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8433 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8434 rights++; /* King lost rights, while rook still had them */
8435 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8436 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8437 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8438 rights++; /* but at least one rook lost them */
8440 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8441 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8443 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8444 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8445 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8448 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8449 && appData.drawRepeats > 1) {
8450 /* adjudicate after user-specified nr of repeats */
8451 int result = GameIsDrawn;
8452 char *details = "XBoard adjudication: repetition draw";
8453 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8454 // [HGM] xiangqi: check for forbidden perpetuals
8455 int m, ourPerpetual = 1, hisPerpetual = 1;
8456 for(m=forwardMostMove; m>k; m-=2) {
8457 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8458 ourPerpetual = 0; // the current mover did not always check
8459 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8460 hisPerpetual = 0; // the opponent did not always check
8462 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8463 ourPerpetual, hisPerpetual);
8464 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8465 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8466 details = "Xboard adjudication: perpetual checking";
8468 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8469 break; // (or we would have caught him before). Abort repetition-checking loop.
8471 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8472 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8474 details = "Xboard adjudication: repetition";
8476 } else // it must be XQ
8477 // Now check for perpetual chases
8478 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8479 hisPerpetual = PerpetualChase(k, forwardMostMove);
8480 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8481 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8482 static char resdet[MSG_SIZ];
8483 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8485 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8487 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8488 break; // Abort repetition-checking loop.
8490 // if neither of us is checking or chasing all the time, or both are, it is draw
8492 if(engineOpponent) {
8493 SendToProgram("force\n", engineOpponent); // suppress reply
8494 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8496 GameEnds( result, details, GE_XBOARD );
8499 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8500 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8504 /* Now we test for 50-move draws. Determine ply count */
8505 count = forwardMostMove;
8506 /* look for last irreversble move */
8507 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8509 /* if we hit starting position, add initial plies */
8510 if( count == backwardMostMove )
8511 count -= initialRulePlies;
8512 count = forwardMostMove - count;
8513 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8514 // adjust reversible move counter for checks in Xiangqi
8515 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8516 if(i < backwardMostMove) i = backwardMostMove;
8517 while(i <= forwardMostMove) {
8518 lastCheck = inCheck; // check evasion does not count
8519 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8520 if(inCheck || lastCheck) count--; // check does not count
8525 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8526 /* this is used to judge if draw claims are legal */
8527 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8528 if(engineOpponent) {
8529 SendToProgram("force\n", engineOpponent); // suppress reply
8530 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8532 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8536 /* if draw offer is pending, treat it as a draw claim
8537 * when draw condition present, to allow engines a way to
8538 * claim draws before making their move to avoid a race
8539 * condition occurring after their move
8541 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8543 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8544 p = "Draw claim: 50-move rule";
8545 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8546 p = "Draw claim: 3-fold repetition";
8547 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8548 p = "Draw claim: insufficient mating material";
8549 if( p != NULL && canAdjudicate) {
8550 if(engineOpponent) {
8551 SendToProgram("force\n", engineOpponent); // suppress reply
8552 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8554 GameEnds( GameIsDrawn, p, GE_XBOARD );
8559 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8560 if(engineOpponent) {
8561 SendToProgram("force\n", engineOpponent); // suppress reply
8562 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8564 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8570 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8571 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8572 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8577 int pieces[10], squares[10], cnt=0, r, f, res;
8579 static PPROBE_EGBB probeBB;
8580 if(!appData.testLegality) return 10;
8581 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8582 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8583 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8584 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8585 ChessSquare piece = boards[forwardMostMove][r][f];
8586 int black = (piece >= BlackPawn);
8587 int type = piece - black*BlackPawn;
8588 if(piece == EmptySquare) continue;
8589 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8590 if(type == WhiteKing) type = WhiteQueen + 1;
8591 type = egbbCode[type];
8592 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8593 pieces[cnt] = type + black*6;
8594 if(++cnt > 5) return 11;
8596 pieces[cnt] = squares[cnt] = 0;
8598 if(loaded == 2) return 13; // loading failed before
8600 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8603 loaded = 2; // prepare for failure
8604 if(!path) return 13; // no egbb installed
8605 strncpy(buf, path + 8, MSG_SIZ);
8606 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8607 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8608 lib = LoadLibrary(buf);
8609 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8610 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8611 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8612 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8613 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8614 loaded = 1; // success!
8616 res = probeBB(forwardMostMove & 1, pieces, squares);
8617 return res > 0 ? 1 : res < 0 ? -1 : 0;
8621 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8622 { // [HGM] book: this routine intercepts moves to simulate book replies
8623 char *bookHit = NULL;
8625 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8627 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8628 SendToProgram(buf, cps);
8630 //first determine if the incoming move brings opponent into his book
8631 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8632 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8633 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8634 if(bookHit != NULL && !cps->bookSuspend) {
8635 // make sure opponent is not going to reply after receiving move to book position
8636 SendToProgram("force\n", cps);
8637 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8639 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8640 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8641 // now arrange restart after book miss
8643 // after a book hit we never send 'go', and the code after the call to this routine
8644 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8645 char buf[MSG_SIZ], *move = bookHit;
8647 int fromX, fromY, toX, toY;
8651 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8652 &fromX, &fromY, &toX, &toY, &promoChar)) {
8653 (void) CoordsToAlgebraic(boards[forwardMostMove],
8654 PosFlags(forwardMostMove),
8655 fromY, fromX, toY, toX, promoChar, move);
8657 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8661 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8662 SendToProgram(buf, cps);
8663 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8664 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8665 SendToProgram("go\n", cps);
8666 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8667 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8668 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8669 SendToProgram("go\n", cps);
8670 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8672 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8676 LoadError (char *errmess, ChessProgramState *cps)
8677 { // unloads engine and switches back to -ncp mode if it was first
8678 if(cps->initDone) return FALSE;
8679 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8680 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8683 appData.noChessProgram = TRUE;
8684 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8685 gameMode = BeginningOfGame; ModeHighlight();
8688 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8689 DisplayMessage("", ""); // erase waiting message
8690 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8695 ChessProgramState *savedState;
8697 DeferredBookMove (void)
8699 if(savedState->lastPing != savedState->lastPong)
8700 ScheduleDelayedEvent(DeferredBookMove, 10);
8702 HandleMachineMove(savedMessage, savedState);
8705 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8706 static ChessProgramState *stalledEngine;
8707 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8710 HandleMachineMove (char *message, ChessProgramState *cps)
8712 static char firstLeg[20], legs;
8713 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8714 char realname[MSG_SIZ];
8715 int fromX, fromY, toX, toY;
8717 char promoChar, roar;
8722 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8723 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8724 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8725 DisplayError(_("Invalid pairing from pairing engine"), 0);
8728 pairingReceived = 1;
8730 return; // Skim the pairing messages here.
8733 oldError = cps->userError; cps->userError = 0;
8735 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8737 * Kludge to ignore BEL characters
8739 while (*message == '\007') message++;
8742 * [HGM] engine debug message: ignore lines starting with '#' character
8744 if(cps->debug && *message == '#') return;
8747 * Look for book output
8749 if (cps == &first && bookRequested) {
8750 if (message[0] == '\t' || message[0] == ' ') {
8751 /* Part of the book output is here; append it */
8752 strcat(bookOutput, message);
8753 strcat(bookOutput, " \n");
8755 } else if (bookOutput[0] != NULLCHAR) {
8756 /* All of book output has arrived; display it */
8757 char *p = bookOutput;
8758 while (*p != NULLCHAR) {
8759 if (*p == '\t') *p = ' ';
8762 DisplayInformation(bookOutput);
8763 bookRequested = FALSE;
8764 /* Fall through to parse the current output */
8769 * Look for machine move.
8771 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8772 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8774 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8775 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8776 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8777 stalledEngine = cps;
8778 if(appData.ponderNextMove) { // bring opponent out of ponder
8779 if(gameMode == TwoMachinesPlay) {
8780 if(cps->other->pause)
8781 PauseEngine(cps->other);
8783 SendToProgram("easy\n", cps->other);
8792 /* This method is only useful on engines that support ping */
8793 if(abortEngineThink) {
8794 if (appData.debugMode) {
8795 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8797 SendToProgram("undo\n", cps);
8801 if (cps->lastPing != cps->lastPong) {
8802 /* Extra move from before last new; ignore */
8803 if (appData.debugMode) {
8804 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8811 int machineWhite = FALSE;
8814 case BeginningOfGame:
8815 /* Extra move from before last reset; ignore */
8816 if (appData.debugMode) {
8817 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8824 /* Extra move after we tried to stop. The mode test is
8825 not a reliable way of detecting this problem, but it's
8826 the best we can do on engines that don't support ping.
8828 if (appData.debugMode) {
8829 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8830 cps->which, gameMode);
8832 SendToProgram("undo\n", cps);
8835 case MachinePlaysWhite:
8836 case IcsPlayingWhite:
8837 machineWhite = TRUE;
8840 case MachinePlaysBlack:
8841 case IcsPlayingBlack:
8842 machineWhite = FALSE;
8845 case TwoMachinesPlay:
8846 machineWhite = (cps->twoMachinesColor[0] == 'w');
8849 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8850 if (appData.debugMode) {
8852 "Ignoring move out of turn by %s, gameMode %d"
8853 ", forwardMost %d\n",
8854 cps->which, gameMode, forwardMostMove);
8860 if(cps->alphaRank) AlphaRank(machineMove, 4);
8862 // [HGM] lion: (some very limited) support for Alien protocol
8863 killX = killY = kill2X = kill2Y = -1;
8864 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8865 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8866 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8869 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8870 char *q = strchr(p+1, ','); // second comma?
8871 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8872 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8873 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8875 if(firstLeg[0]) { // there was a previous leg;
8876 // only support case where same piece makes two step
8877 char buf[20], *p = machineMove+1, *q = buf+1, f;
8878 safeStrCpy(buf, machineMove, 20);
8879 while(isdigit(*q)) q++; // find start of to-square
8880 safeStrCpy(machineMove, firstLeg, 20);
8881 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8882 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
8883 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)
8884 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8885 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8886 firstLeg[0] = NULLCHAR; legs = 0;
8889 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8890 &fromX, &fromY, &toX, &toY, &promoChar)) {
8891 /* Machine move could not be parsed; ignore it. */
8892 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8893 machineMove, _(cps->which));
8894 DisplayMoveError(buf1);
8895 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8896 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8897 if (gameMode == TwoMachinesPlay) {
8898 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8904 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8905 /* So we have to redo legality test with true e.p. status here, */
8906 /* to make sure an illegal e.p. capture does not slip through, */
8907 /* to cause a forfeit on a justified illegal-move complaint */
8908 /* of the opponent. */
8909 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8911 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8912 fromY, fromX, toY, toX, promoChar);
8913 if(moveType == IllegalMove) {
8914 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8915 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8916 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8919 } else if(!appData.fischerCastling)
8920 /* [HGM] Kludge to handle engines that send FRC-style castling
8921 when they shouldn't (like TSCP-Gothic) */
8923 case WhiteASideCastleFR:
8924 case BlackASideCastleFR:
8926 currentMoveString[2]++;
8928 case WhiteHSideCastleFR:
8929 case BlackHSideCastleFR:
8931 currentMoveString[2]--;
8933 default: ; // nothing to do, but suppresses warning of pedantic compilers
8936 hintRequested = FALSE;
8937 lastHint[0] = NULLCHAR;
8938 bookRequested = FALSE;
8939 /* Program may be pondering now */
8940 cps->maybeThinking = TRUE;
8941 if (cps->sendTime == 2) cps->sendTime = 1;
8942 if (cps->offeredDraw) cps->offeredDraw--;
8944 /* [AS] Save move info*/
8945 pvInfoList[ forwardMostMove ].score = programStats.score;
8946 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8947 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8949 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8951 /* Test suites abort the 'game' after one move */
8952 if(*appData.finger) {
8954 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8955 if(!f) f = fopen(appData.finger, "w");
8956 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8957 else { DisplayFatalError("Bad output file", errno, 0); return; }
8959 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8962 if(solvingTime >= 0) {
8963 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8964 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8966 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8967 if(solvingTime == -2) second.matchWins++;
8969 OutputKibitz(2, buf1);
8970 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8973 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8974 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8977 while( count < adjudicateLossPlies ) {
8978 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8981 score = -score; /* Flip score for winning side */
8984 if( score > appData.adjudicateLossThreshold ) {
8991 if( count >= adjudicateLossPlies ) {
8992 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8994 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8995 "Xboard adjudication",
9002 if(Adjudicate(cps)) {
9003 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9004 return; // [HGM] adjudicate: for all automatic game ends
9008 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9010 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9011 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9013 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9015 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9017 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9018 char buf[3*MSG_SIZ];
9020 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9021 programStats.score / 100.,
9023 programStats.time / 100.,
9024 (unsigned int)programStats.nodes,
9025 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9026 programStats.movelist);
9032 /* [AS] Clear stats for next move */
9033 ClearProgramStats();
9034 thinkOutput[0] = NULLCHAR;
9035 hiddenThinkOutputState = 0;
9038 if (gameMode == TwoMachinesPlay) {
9039 /* [HGM] relaying draw offers moved to after reception of move */
9040 /* and interpreting offer as claim if it brings draw condition */
9041 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9042 SendToProgram("draw\n", cps->other);
9044 if (cps->other->sendTime) {
9045 SendTimeRemaining(cps->other,
9046 cps->other->twoMachinesColor[0] == 'w');
9048 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9049 if (firstMove && !bookHit) {
9051 if (cps->other->useColors) {
9052 SendToProgram(cps->other->twoMachinesColor, cps->other);
9054 SendToProgram("go\n", cps->other);
9056 cps->other->maybeThinking = TRUE;
9059 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9061 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9063 if (!pausing && appData.ringBellAfterMoves) {
9064 if(!roar) RingBell();
9068 * Reenable menu items that were disabled while
9069 * machine was thinking
9071 if (gameMode != TwoMachinesPlay)
9072 SetUserThinkingEnables();
9074 // [HGM] book: after book hit opponent has received move and is now in force mode
9075 // force the book reply into it, and then fake that it outputted this move by jumping
9076 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9078 static char bookMove[MSG_SIZ]; // a bit generous?
9080 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9081 strcat(bookMove, bookHit);
9084 programStats.nodes = programStats.depth = programStats.time =
9085 programStats.score = programStats.got_only_move = 0;
9086 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9088 if(cps->lastPing != cps->lastPong) {
9089 savedMessage = message; // args for deferred call
9091 ScheduleDelayedEvent(DeferredBookMove, 10);
9100 /* Set special modes for chess engines. Later something general
9101 * could be added here; for now there is just one kludge feature,
9102 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9103 * when "xboard" is given as an interactive command.
9105 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9106 cps->useSigint = FALSE;
9107 cps->useSigterm = FALSE;
9109 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9110 ParseFeatures(message+8, cps);
9111 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9114 if (!strncmp(message, "setup ", 6) &&
9115 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9116 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9117 ) { // [HGM] allow first engine to define opening position
9118 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9119 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9121 if(sscanf(message, "setup (%s", buf) == 1) {
9122 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9123 ASSIGN(appData.pieceToCharTable, buf);
9125 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9127 while(message[s] && message[s++] != ' ');
9128 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9129 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9130 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9131 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9132 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9133 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9134 startedFromSetupPosition = FALSE;
9137 if(startedFromSetupPosition) return;
9138 ParseFEN(boards[0], &dummy, message+s, FALSE);
9139 DrawPosition(TRUE, boards[0]);
9140 CopyBoard(initialPosition, boards[0]);
9141 startedFromSetupPosition = TRUE;
9144 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9145 ChessSquare piece = WhitePawn;
9146 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9147 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9148 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9149 piece += CharToPiece(ID & 255) - WhitePawn;
9150 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9151 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9152 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9153 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9154 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9155 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9156 && gameInfo.variant != VariantGreat
9157 && gameInfo.variant != VariantFairy ) return;
9158 if(piece < EmptySquare) {
9160 ASSIGN(pieceDesc[piece], buf1);
9161 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9165 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9166 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9170 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9171 * want this, I was asked to put it in, and obliged.
9173 if (!strncmp(message, "setboard ", 9)) {
9174 Board initial_position;
9176 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9178 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9179 DisplayError(_("Bad FEN received from engine"), 0);
9183 CopyBoard(boards[0], initial_position);
9184 initialRulePlies = FENrulePlies;
9185 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9186 else gameMode = MachinePlaysBlack;
9187 DrawPosition(FALSE, boards[currentMove]);
9193 * Look for communication commands
9195 if (!strncmp(message, "telluser ", 9)) {
9196 if(message[9] == '\\' && message[10] == '\\')
9197 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9199 DisplayNote(message + 9);
9202 if (!strncmp(message, "tellusererror ", 14)) {
9204 if(message[14] == '\\' && message[15] == '\\')
9205 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9207 DisplayError(message + 14, 0);
9210 if (!strncmp(message, "tellopponent ", 13)) {
9211 if (appData.icsActive) {
9213 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9217 DisplayNote(message + 13);
9221 if (!strncmp(message, "tellothers ", 11)) {
9222 if (appData.icsActive) {
9224 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9227 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9230 if (!strncmp(message, "tellall ", 8)) {
9231 if (appData.icsActive) {
9233 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9237 DisplayNote(message + 8);
9241 if (strncmp(message, "warning", 7) == 0) {
9242 /* Undocumented feature, use tellusererror in new code */
9243 DisplayError(message, 0);
9246 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9247 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9248 strcat(realname, " query");
9249 AskQuestion(realname, buf2, buf1, cps->pr);
9252 /* Commands from the engine directly to ICS. We don't allow these to be
9253 * sent until we are logged on. Crafty kibitzes have been known to
9254 * interfere with the login process.
9257 if (!strncmp(message, "tellics ", 8)) {
9258 SendToICS(message + 8);
9262 if (!strncmp(message, "tellicsnoalias ", 15)) {
9263 SendToICS(ics_prefix);
9264 SendToICS(message + 15);
9268 /* The following are for backward compatibility only */
9269 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9270 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9271 SendToICS(ics_prefix);
9277 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9278 if(initPing == cps->lastPong) {
9279 if(gameInfo.variant == VariantUnknown) {
9280 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9281 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9282 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9286 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9287 abortEngineThink = FALSE;
9288 DisplayMessage("", "");
9293 if(!strncmp(message, "highlight ", 10)) {
9294 if(appData.testLegality && !*engineVariant && appData.markers) return;
9295 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9298 if(!strncmp(message, "click ", 6)) {
9299 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9300 if(appData.testLegality || !appData.oneClick) return;
9301 sscanf(message+6, "%c%d%c", &f, &y, &c);
9302 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9303 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9304 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9305 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9306 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9307 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9308 LeftClick(Release, lastLeftX, lastLeftY);
9309 controlKey = (c == ',');
9310 LeftClick(Press, x, y);
9311 LeftClick(Release, x, y);
9312 first.highlight = f;
9316 * If the move is illegal, cancel it and redraw the board.
9317 * Also deal with other error cases. Matching is rather loose
9318 * here to accommodate engines written before the spec.
9320 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9321 strncmp(message, "Error", 5) == 0) {
9322 if (StrStr(message, "name") ||
9323 StrStr(message, "rating") || StrStr(message, "?") ||
9324 StrStr(message, "result") || StrStr(message, "board") ||
9325 StrStr(message, "bk") || StrStr(message, "computer") ||
9326 StrStr(message, "variant") || StrStr(message, "hint") ||
9327 StrStr(message, "random") || StrStr(message, "depth") ||
9328 StrStr(message, "accepted")) {
9331 if (StrStr(message, "protover")) {
9332 /* Program is responding to input, so it's apparently done
9333 initializing, and this error message indicates it is
9334 protocol version 1. So we don't need to wait any longer
9335 for it to initialize and send feature commands. */
9336 FeatureDone(cps, 1);
9337 cps->protocolVersion = 1;
9340 cps->maybeThinking = FALSE;
9342 if (StrStr(message, "draw")) {
9343 /* Program doesn't have "draw" command */
9344 cps->sendDrawOffers = 0;
9347 if (cps->sendTime != 1 &&
9348 (StrStr(message, "time") || StrStr(message, "otim"))) {
9349 /* Program apparently doesn't have "time" or "otim" command */
9353 if (StrStr(message, "analyze")) {
9354 cps->analysisSupport = FALSE;
9355 cps->analyzing = FALSE;
9356 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9357 EditGameEvent(); // [HGM] try to preserve loaded game
9358 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9359 DisplayError(buf2, 0);
9362 if (StrStr(message, "(no matching move)st")) {
9363 /* Special kludge for GNU Chess 4 only */
9364 cps->stKludge = TRUE;
9365 SendTimeControl(cps, movesPerSession, timeControl,
9366 timeIncrement, appData.searchDepth,
9370 if (StrStr(message, "(no matching move)sd")) {
9371 /* Special kludge for GNU Chess 4 only */
9372 cps->sdKludge = TRUE;
9373 SendTimeControl(cps, movesPerSession, timeControl,
9374 timeIncrement, appData.searchDepth,
9378 if (!StrStr(message, "llegal")) {
9381 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9382 gameMode == IcsIdle) return;
9383 if (forwardMostMove <= backwardMostMove) return;
9384 if (pausing) PauseEvent();
9385 if(appData.forceIllegal) {
9386 // [HGM] illegal: machine refused move; force position after move into it
9387 SendToProgram("force\n", cps);
9388 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9389 // we have a real problem now, as SendBoard will use the a2a3 kludge
9390 // when black is to move, while there might be nothing on a2 or black
9391 // might already have the move. So send the board as if white has the move.
9392 // But first we must change the stm of the engine, as it refused the last move
9393 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9394 if(WhiteOnMove(forwardMostMove)) {
9395 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9396 SendBoard(cps, forwardMostMove); // kludgeless board
9398 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9399 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9400 SendBoard(cps, forwardMostMove+1); // kludgeless board
9402 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9403 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9404 gameMode == TwoMachinesPlay)
9405 SendToProgram("go\n", cps);
9408 if (gameMode == PlayFromGameFile) {
9409 /* Stop reading this game file */
9410 gameMode = EditGame;
9413 /* [HGM] illegal-move claim should forfeit game when Xboard */
9414 /* only passes fully legal moves */
9415 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9416 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9417 "False illegal-move claim", GE_XBOARD );
9418 return; // do not take back move we tested as valid
9420 currentMove = forwardMostMove-1;
9421 DisplayMove(currentMove-1); /* before DisplayMoveError */
9422 SwitchClocks(forwardMostMove-1); // [HGM] race
9423 DisplayBothClocks();
9424 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9425 parseList[currentMove], _(cps->which));
9426 DisplayMoveError(buf1);
9427 DrawPosition(FALSE, boards[currentMove]);
9429 SetUserThinkingEnables();
9432 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9433 /* Program has a broken "time" command that
9434 outputs a string not ending in newline.
9438 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9439 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9440 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9444 * If chess program startup fails, exit with an error message.
9445 * Attempts to recover here are futile. [HGM] Well, we try anyway
9447 if ((StrStr(message, "unknown host") != NULL)
9448 || (StrStr(message, "No remote directory") != NULL)
9449 || (StrStr(message, "not found") != NULL)
9450 || (StrStr(message, "No such file") != NULL)
9451 || (StrStr(message, "can't alloc") != NULL)
9452 || (StrStr(message, "Permission denied") != NULL)) {
9454 cps->maybeThinking = FALSE;
9455 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9456 _(cps->which), cps->program, cps->host, message);
9457 RemoveInputSource(cps->isr);
9458 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9459 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9460 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9466 * Look for hint output
9468 if (sscanf(message, "Hint: %s", buf1) == 1) {
9469 if (cps == &first && hintRequested) {
9470 hintRequested = FALSE;
9471 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9472 &fromX, &fromY, &toX, &toY, &promoChar)) {
9473 (void) CoordsToAlgebraic(boards[forwardMostMove],
9474 PosFlags(forwardMostMove),
9475 fromY, fromX, toY, toX, promoChar, buf1);
9476 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9477 DisplayInformation(buf2);
9479 /* Hint move could not be parsed!? */
9480 snprintf(buf2, sizeof(buf2),
9481 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9482 buf1, _(cps->which));
9483 DisplayError(buf2, 0);
9486 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9492 * Ignore other messages if game is not in progress
9494 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9495 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9498 * look for win, lose, draw, or draw offer
9500 if (strncmp(message, "1-0", 3) == 0) {
9501 char *p, *q, *r = "";
9502 p = strchr(message, '{');
9510 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9512 } else if (strncmp(message, "0-1", 3) == 0) {
9513 char *p, *q, *r = "";
9514 p = strchr(message, '{');
9522 /* Kludge for Arasan 4.1 bug */
9523 if (strcmp(r, "Black resigns") == 0) {
9524 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9527 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9529 } else if (strncmp(message, "1/2", 3) == 0) {
9530 char *p, *q, *r = "";
9531 p = strchr(message, '{');
9540 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9543 } else if (strncmp(message, "White resign", 12) == 0) {
9544 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9546 } else if (strncmp(message, "Black resign", 12) == 0) {
9547 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9549 } else if (strncmp(message, "White matches", 13) == 0 ||
9550 strncmp(message, "Black matches", 13) == 0 ) {
9551 /* [HGM] ignore GNUShogi noises */
9553 } else if (strncmp(message, "White", 5) == 0 &&
9554 message[5] != '(' &&
9555 StrStr(message, "Black") == NULL) {
9556 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9558 } else if (strncmp(message, "Black", 5) == 0 &&
9559 message[5] != '(') {
9560 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9562 } else if (strcmp(message, "resign") == 0 ||
9563 strcmp(message, "computer resigns") == 0) {
9565 case MachinePlaysBlack:
9566 case IcsPlayingBlack:
9567 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9569 case MachinePlaysWhite:
9570 case IcsPlayingWhite:
9571 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9573 case TwoMachinesPlay:
9574 if (cps->twoMachinesColor[0] == 'w')
9575 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9577 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9584 } else if (strncmp(message, "opponent mates", 14) == 0) {
9586 case MachinePlaysBlack:
9587 case IcsPlayingBlack:
9588 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9590 case MachinePlaysWhite:
9591 case IcsPlayingWhite:
9592 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9594 case TwoMachinesPlay:
9595 if (cps->twoMachinesColor[0] == 'w')
9596 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9598 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9605 } else if (strncmp(message, "computer mates", 14) == 0) {
9607 case MachinePlaysBlack:
9608 case IcsPlayingBlack:
9609 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9611 case MachinePlaysWhite:
9612 case IcsPlayingWhite:
9613 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9615 case TwoMachinesPlay:
9616 if (cps->twoMachinesColor[0] == 'w')
9617 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9619 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9626 } else if (strncmp(message, "checkmate", 9) == 0) {
9627 if (WhiteOnMove(forwardMostMove)) {
9628 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9630 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9633 } else if (strstr(message, "Draw") != NULL ||
9634 strstr(message, "game is a draw") != NULL) {
9635 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9637 } else if (strstr(message, "offer") != NULL &&
9638 strstr(message, "draw") != NULL) {
9640 if (appData.zippyPlay && first.initDone) {
9641 /* Relay offer to ICS */
9642 SendToICS(ics_prefix);
9643 SendToICS("draw\n");
9646 cps->offeredDraw = 2; /* valid until this engine moves twice */
9647 if (gameMode == TwoMachinesPlay) {
9648 if (cps->other->offeredDraw) {
9649 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9650 /* [HGM] in two-machine mode we delay relaying draw offer */
9651 /* until after we also have move, to see if it is really claim */
9653 } else if (gameMode == MachinePlaysWhite ||
9654 gameMode == MachinePlaysBlack) {
9655 if (userOfferedDraw) {
9656 DisplayInformation(_("Machine accepts your draw offer"));
9657 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9659 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9666 * Look for thinking output
9668 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9669 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9671 int plylev, mvleft, mvtot, curscore, time;
9672 char mvname[MOVE_LEN];
9676 int prefixHint = FALSE;
9677 mvname[0] = NULLCHAR;
9680 case MachinePlaysBlack:
9681 case IcsPlayingBlack:
9682 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9684 case MachinePlaysWhite:
9685 case IcsPlayingWhite:
9686 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9691 case IcsObserving: /* [DM] icsEngineAnalyze */
9692 if (!appData.icsEngineAnalyze) ignore = TRUE;
9694 case TwoMachinesPlay:
9695 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9705 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9708 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9709 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9710 char score_buf[MSG_SIZ];
9712 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9713 nodes += u64Const(0x100000000);
9715 if (plyext != ' ' && plyext != '\t') {
9719 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9720 if( cps->scoreIsAbsolute &&
9721 ( gameMode == MachinePlaysBlack ||
9722 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9723 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9724 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9725 !WhiteOnMove(currentMove)
9728 curscore = -curscore;
9731 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9733 if(*bestMove) { // rememer time best EPD move was first found
9734 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9735 ChessMove mt; char *p = bestMove;
9736 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9738 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9739 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9740 solvingTime = (solvingTime < 0 ? time : solvingTime);
9744 while(*p && *p != ' ') p++;
9745 while(*p == ' ') p++;
9747 if(!solved) solvingTime = -1;
9749 if(*avoidMove && !solved) {
9750 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9751 ChessMove mt; char *p = avoidMove, solved = 1;
9752 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9753 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9754 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9755 solved = 0; solvingTime = -2;
9758 while(*p && *p != ' ') p++;
9759 while(*p == ' ') p++;
9761 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9764 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9767 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9768 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9769 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9770 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9771 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9772 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9776 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9777 DisplayError(_("failed writing PV"), 0);
9780 tempStats.depth = plylev;
9781 tempStats.nodes = nodes;
9782 tempStats.time = time;
9783 tempStats.score = curscore;
9784 tempStats.got_only_move = 0;
9786 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9789 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9790 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9791 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9792 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9793 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9794 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9795 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9796 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9799 /* Buffer overflow protection */
9800 if (pv[0] != NULLCHAR) {
9801 if (strlen(pv) >= sizeof(tempStats.movelist)
9802 && appData.debugMode) {
9804 "PV is too long; using the first %u bytes.\n",
9805 (unsigned) sizeof(tempStats.movelist) - 1);
9808 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9810 sprintf(tempStats.movelist, " no PV\n");
9813 if (tempStats.seen_stat) {
9814 tempStats.ok_to_send = 1;
9817 if (strchr(tempStats.movelist, '(') != NULL) {
9818 tempStats.line_is_book = 1;
9819 tempStats.nr_moves = 0;
9820 tempStats.moves_left = 0;
9822 tempStats.line_is_book = 0;
9825 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9826 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9828 SendProgramStatsToFrontend( cps, &tempStats );
9831 [AS] Protect the thinkOutput buffer from overflow... this
9832 is only useful if buf1 hasn't overflowed first!
9834 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9835 if(curscore >= MATE_SCORE)
9836 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9837 else if(curscore <= -MATE_SCORE)
9838 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9840 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9841 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9843 (gameMode == TwoMachinesPlay ?
9844 ToUpper(cps->twoMachinesColor[0]) : ' '),
9846 prefixHint ? lastHint : "",
9847 prefixHint ? " " : "" );
9849 if( buf1[0] != NULLCHAR ) {
9850 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9852 if( strlen(pv) > max_len ) {
9853 if( appData.debugMode) {
9854 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9856 pv[max_len+1] = '\0';
9859 strcat( thinkOutput, pv);
9862 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9863 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9864 DisplayMove(currentMove - 1);
9868 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9869 /* crafty (9.25+) says "(only move) <move>"
9870 * if there is only 1 legal move
9872 sscanf(p, "(only move) %s", buf1);
9873 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9874 sprintf(programStats.movelist, "%s (only move)", buf1);
9875 programStats.depth = 1;
9876 programStats.nr_moves = 1;
9877 programStats.moves_left = 1;
9878 programStats.nodes = 1;
9879 programStats.time = 1;
9880 programStats.got_only_move = 1;
9882 /* Not really, but we also use this member to
9883 mean "line isn't going to change" (Crafty
9884 isn't searching, so stats won't change) */
9885 programStats.line_is_book = 1;
9887 SendProgramStatsToFrontend( cps, &programStats );
9889 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9890 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9891 DisplayMove(currentMove - 1);
9894 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9895 &time, &nodes, &plylev, &mvleft,
9896 &mvtot, mvname) >= 5) {
9897 /* The stat01: line is from Crafty (9.29+) in response
9898 to the "." command */
9899 programStats.seen_stat = 1;
9900 cps->maybeThinking = TRUE;
9902 if (programStats.got_only_move || !appData.periodicUpdates)
9905 programStats.depth = plylev;
9906 programStats.time = time;
9907 programStats.nodes = nodes;
9908 programStats.moves_left = mvleft;
9909 programStats.nr_moves = mvtot;
9910 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9911 programStats.ok_to_send = 1;
9912 programStats.movelist[0] = '\0';
9914 SendProgramStatsToFrontend( cps, &programStats );
9918 } else if (strncmp(message,"++",2) == 0) {
9919 /* Crafty 9.29+ outputs this */
9920 programStats.got_fail = 2;
9923 } else if (strncmp(message,"--",2) == 0) {
9924 /* Crafty 9.29+ outputs this */
9925 programStats.got_fail = 1;
9928 } else if (thinkOutput[0] != NULLCHAR &&
9929 strncmp(message, " ", 4) == 0) {
9930 unsigned message_len;
9933 while (*p && *p == ' ') p++;
9935 message_len = strlen( p );
9937 /* [AS] Avoid buffer overflow */
9938 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9939 strcat(thinkOutput, " ");
9940 strcat(thinkOutput, p);
9943 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9944 strcat(programStats.movelist, " ");
9945 strcat(programStats.movelist, p);
9948 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9949 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9950 DisplayMove(currentMove - 1);
9958 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9959 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9961 ChessProgramStats cpstats;
9963 if (plyext != ' ' && plyext != '\t') {
9967 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9968 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9969 curscore = -curscore;
9972 cpstats.depth = plylev;
9973 cpstats.nodes = nodes;
9974 cpstats.time = time;
9975 cpstats.score = curscore;
9976 cpstats.got_only_move = 0;
9977 cpstats.movelist[0] = '\0';
9979 if (buf1[0] != NULLCHAR) {
9980 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9983 cpstats.ok_to_send = 0;
9984 cpstats.line_is_book = 0;
9985 cpstats.nr_moves = 0;
9986 cpstats.moves_left = 0;
9988 SendProgramStatsToFrontend( cps, &cpstats );
9995 /* Parse a game score from the character string "game", and
9996 record it as the history of the current game. The game
9997 score is NOT assumed to start from the standard position.
9998 The display is not updated in any way.
10001 ParseGameHistory (char *game)
10003 ChessMove moveType;
10004 int fromX, fromY, toX, toY, boardIndex;
10009 if (appData.debugMode)
10010 fprintf(debugFP, "Parsing game history: %s\n", game);
10012 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10013 gameInfo.site = StrSave(appData.icsHost);
10014 gameInfo.date = PGNDate();
10015 gameInfo.round = StrSave("-");
10017 /* Parse out names of players */
10018 while (*game == ' ') game++;
10020 while (*game != ' ') *p++ = *game++;
10022 gameInfo.white = StrSave(buf);
10023 while (*game == ' ') game++;
10025 while (*game != ' ' && *game != '\n') *p++ = *game++;
10027 gameInfo.black = StrSave(buf);
10030 boardIndex = blackPlaysFirst ? 1 : 0;
10033 yyboardindex = boardIndex;
10034 moveType = (ChessMove) Myylex();
10035 switch (moveType) {
10036 case IllegalMove: /* maybe suicide chess, etc. */
10037 if (appData.debugMode) {
10038 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10039 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10040 setbuf(debugFP, NULL);
10042 case WhitePromotion:
10043 case BlackPromotion:
10044 case WhiteNonPromotion:
10045 case BlackNonPromotion:
10048 case WhiteCapturesEnPassant:
10049 case BlackCapturesEnPassant:
10050 case WhiteKingSideCastle:
10051 case WhiteQueenSideCastle:
10052 case BlackKingSideCastle:
10053 case BlackQueenSideCastle:
10054 case WhiteKingSideCastleWild:
10055 case WhiteQueenSideCastleWild:
10056 case BlackKingSideCastleWild:
10057 case BlackQueenSideCastleWild:
10059 case WhiteHSideCastleFR:
10060 case WhiteASideCastleFR:
10061 case BlackHSideCastleFR:
10062 case BlackASideCastleFR:
10064 fromX = currentMoveString[0] - AAA;
10065 fromY = currentMoveString[1] - ONE;
10066 toX = currentMoveString[2] - AAA;
10067 toY = currentMoveString[3] - ONE;
10068 promoChar = currentMoveString[4];
10072 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10073 fromX = moveType == WhiteDrop ?
10074 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10075 (int) CharToPiece(ToLower(currentMoveString[0]));
10077 toX = currentMoveString[2] - AAA;
10078 toY = currentMoveString[3] - ONE;
10079 promoChar = NULLCHAR;
10081 case AmbiguousMove:
10083 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10084 if (appData.debugMode) {
10085 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10086 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10087 setbuf(debugFP, NULL);
10089 DisplayError(buf, 0);
10091 case ImpossibleMove:
10093 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10094 if (appData.debugMode) {
10095 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10096 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10097 setbuf(debugFP, NULL);
10099 DisplayError(buf, 0);
10102 if (boardIndex < backwardMostMove) {
10103 /* Oops, gap. How did that happen? */
10104 DisplayError(_("Gap in move list"), 0);
10107 backwardMostMove = blackPlaysFirst ? 1 : 0;
10108 if (boardIndex > forwardMostMove) {
10109 forwardMostMove = boardIndex;
10113 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10114 strcat(parseList[boardIndex-1], " ");
10115 strcat(parseList[boardIndex-1], yy_text);
10127 case GameUnfinished:
10128 if (gameMode == IcsExamining) {
10129 if (boardIndex < backwardMostMove) {
10130 /* Oops, gap. How did that happen? */
10133 backwardMostMove = blackPlaysFirst ? 1 : 0;
10136 gameInfo.result = moveType;
10137 p = strchr(yy_text, '{');
10138 if (p == NULL) p = strchr(yy_text, '(');
10141 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10143 q = strchr(p, *p == '{' ? '}' : ')');
10144 if (q != NULL) *q = NULLCHAR;
10147 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10148 gameInfo.resultDetails = StrSave(p);
10151 if (boardIndex >= forwardMostMove &&
10152 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10153 backwardMostMove = blackPlaysFirst ? 1 : 0;
10156 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10157 fromY, fromX, toY, toX, promoChar,
10158 parseList[boardIndex]);
10159 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10160 /* currentMoveString is set as a side-effect of yylex */
10161 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10162 strcat(moveList[boardIndex], "\n");
10164 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10165 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10171 if(!IS_SHOGI(gameInfo.variant))
10172 strcat(parseList[boardIndex - 1], "+");
10176 strcat(parseList[boardIndex - 1], "#");
10183 /* Apply a move to the given board */
10185 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10187 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10188 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10190 /* [HGM] compute & store e.p. status and castling rights for new position */
10191 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10193 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10194 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10195 board[EP_STATUS] = EP_NONE;
10196 board[EP_FILE] = board[EP_RANK] = 100;
10198 if (fromY == DROP_RANK) {
10199 /* must be first */
10200 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10201 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10204 piece = board[toY][toX] = (ChessSquare) fromX;
10206 // ChessSquare victim;
10209 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10210 // victim = board[killY][killX],
10211 killed = board[killY][killX],
10212 board[killY][killX] = EmptySquare,
10213 board[EP_STATUS] = EP_CAPTURE;
10214 if( kill2X >= 0 && kill2Y >= 0)
10215 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10218 if( board[toY][toX] != EmptySquare ) {
10219 board[EP_STATUS] = EP_CAPTURE;
10220 if( (fromX != toX || fromY != toY) && // not igui!
10221 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10222 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10223 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10227 pawn = board[fromY][fromX];
10228 if( pawn == WhiteLance || pawn == BlackLance ) {
10229 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10230 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10231 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10234 if( pawn == WhitePawn ) {
10235 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10236 board[EP_STATUS] = EP_PAWN_MOVE;
10237 if( toY-fromY>=2) {
10238 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10239 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10240 gameInfo.variant != VariantBerolina || toX < fromX)
10241 board[EP_STATUS] = toX | berolina;
10242 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10243 gameInfo.variant != VariantBerolina || toX > fromX)
10244 board[EP_STATUS] = toX;
10247 if( pawn == BlackPawn ) {
10248 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10249 board[EP_STATUS] = EP_PAWN_MOVE;
10250 if( toY-fromY<= -2) {
10251 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10252 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10253 gameInfo.variant != VariantBerolina || toX < fromX)
10254 board[EP_STATUS] = toX | berolina;
10255 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10256 gameInfo.variant != VariantBerolina || toX > fromX)
10257 board[EP_STATUS] = toX;
10261 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10262 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10263 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10264 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10266 for(i=0; i<nrCastlingRights; i++) {
10267 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10268 board[CASTLING][i] == toX && castlingRank[i] == toY
10269 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10272 if(gameInfo.variant == VariantSChess) { // update virginity
10273 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10274 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10275 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10276 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10279 if (fromX == toX && fromY == toY && killX < 0) return;
10281 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10282 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10283 if(gameInfo.variant == VariantKnightmate)
10284 king += (int) WhiteUnicorn - (int) WhiteKing;
10286 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10287 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10288 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10289 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10290 board[EP_STATUS] = EP_NONE; // capture was fake!
10292 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10293 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10294 board[toY][toX] = piece;
10295 board[EP_STATUS] = EP_NONE; // capture was fake!
10297 /* Code added by Tord: */
10298 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10299 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10300 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10301 board[EP_STATUS] = EP_NONE; // capture was fake!
10302 board[fromY][fromX] = EmptySquare;
10303 board[toY][toX] = EmptySquare;
10304 if((toX > fromX) != (piece == WhiteRook)) {
10305 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10307 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10309 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10310 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10311 board[EP_STATUS] = EP_NONE;
10312 board[fromY][fromX] = EmptySquare;
10313 board[toY][toX] = EmptySquare;
10314 if((toX > fromX) != (piece == BlackRook)) {
10315 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10317 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10319 /* End of code added by Tord */
10321 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10322 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10323 board[toY][toX] = piece;
10324 } else if (board[fromY][fromX] == king
10325 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10326 && toY == fromY && toX > fromX+1) {
10327 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10328 ; // castle with nearest piece
10329 board[fromY][toX-1] = board[fromY][rookX];
10330 board[fromY][rookX] = EmptySquare;
10331 board[fromY][fromX] = EmptySquare;
10332 board[toY][toX] = king;
10333 } else if (board[fromY][fromX] == king
10334 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10335 && toY == fromY && toX < fromX-1) {
10336 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10337 ; // castle with nearest piece
10338 board[fromY][toX+1] = board[fromY][rookX];
10339 board[fromY][rookX] = EmptySquare;
10340 board[fromY][fromX] = EmptySquare;
10341 board[toY][toX] = king;
10342 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10343 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10344 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10346 /* white pawn promotion */
10347 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10348 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10349 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10350 board[fromY][fromX] = EmptySquare;
10351 } else if ((fromY >= BOARD_HEIGHT>>1)
10352 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10354 && gameInfo.variant != VariantXiangqi
10355 && gameInfo.variant != VariantBerolina
10356 && (pawn == WhitePawn)
10357 && (board[toY][toX] == EmptySquare)) {
10358 board[fromY][fromX] = EmptySquare;
10359 board[toY][toX] = piece;
10360 if(toY == epRank - 128 + 1)
10361 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10363 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10364 } else if ((fromY == BOARD_HEIGHT-4)
10366 && gameInfo.variant == VariantBerolina
10367 && (board[fromY][fromX] == WhitePawn)
10368 && (board[toY][toX] == EmptySquare)) {
10369 board[fromY][fromX] = EmptySquare;
10370 board[toY][toX] = WhitePawn;
10371 if(oldEP & EP_BEROLIN_A) {
10372 captured = board[fromY][fromX-1];
10373 board[fromY][fromX-1] = EmptySquare;
10374 }else{ captured = board[fromY][fromX+1];
10375 board[fromY][fromX+1] = EmptySquare;
10377 } else if (board[fromY][fromX] == king
10378 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10379 && toY == fromY && toX > fromX+1) {
10380 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10382 board[fromY][toX-1] = board[fromY][rookX];
10383 board[fromY][rookX] = EmptySquare;
10384 board[fromY][fromX] = EmptySquare;
10385 board[toY][toX] = king;
10386 } else if (board[fromY][fromX] == king
10387 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10388 && toY == fromY && toX < fromX-1) {
10389 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10391 board[fromY][toX+1] = board[fromY][rookX];
10392 board[fromY][rookX] = EmptySquare;
10393 board[fromY][fromX] = EmptySquare;
10394 board[toY][toX] = king;
10395 } else if (fromY == 7 && fromX == 3
10396 && board[fromY][fromX] == BlackKing
10397 && toY == 7 && toX == 5) {
10398 board[fromY][fromX] = EmptySquare;
10399 board[toY][toX] = BlackKing;
10400 board[fromY][7] = EmptySquare;
10401 board[toY][4] = BlackRook;
10402 } else if (fromY == 7 && fromX == 3
10403 && board[fromY][fromX] == BlackKing
10404 && toY == 7 && toX == 1) {
10405 board[fromY][fromX] = EmptySquare;
10406 board[toY][toX] = BlackKing;
10407 board[fromY][0] = EmptySquare;
10408 board[toY][2] = BlackRook;
10409 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10410 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10411 && toY < promoRank && promoChar
10413 /* black pawn promotion */
10414 board[toY][toX] = CharToPiece(ToLower(promoChar));
10415 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10416 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10417 board[fromY][fromX] = EmptySquare;
10418 } else if ((fromY < BOARD_HEIGHT>>1)
10419 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10421 && gameInfo.variant != VariantXiangqi
10422 && gameInfo.variant != VariantBerolina
10423 && (pawn == BlackPawn)
10424 && (board[toY][toX] == EmptySquare)) {
10425 board[fromY][fromX] = EmptySquare;
10426 board[toY][toX] = piece;
10427 if(toY == epRank - 128 - 1)
10428 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10430 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10431 } else if ((fromY == 3)
10433 && gameInfo.variant == VariantBerolina
10434 && (board[fromY][fromX] == BlackPawn)
10435 && (board[toY][toX] == EmptySquare)) {
10436 board[fromY][fromX] = EmptySquare;
10437 board[toY][toX] = BlackPawn;
10438 if(oldEP & EP_BEROLIN_A) {
10439 captured = board[fromY][fromX-1];
10440 board[fromY][fromX-1] = EmptySquare;
10441 }else{ captured = board[fromY][fromX+1];
10442 board[fromY][fromX+1] = EmptySquare;
10445 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10446 board[fromY][fromX] = EmptySquare;
10447 board[toY][toX] = piece;
10451 if (gameInfo.holdingsWidth != 0) {
10453 /* !!A lot more code needs to be written to support holdings */
10454 /* [HGM] OK, so I have written it. Holdings are stored in the */
10455 /* penultimate board files, so they are automaticlly stored */
10456 /* in the game history. */
10457 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10458 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10459 /* Delete from holdings, by decreasing count */
10460 /* and erasing image if necessary */
10461 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10462 if(p < (int) BlackPawn) { /* white drop */
10463 p -= (int)WhitePawn;
10464 p = PieceToNumber((ChessSquare)p);
10465 if(p >= gameInfo.holdingsSize) p = 0;
10466 if(--board[p][BOARD_WIDTH-2] <= 0)
10467 board[p][BOARD_WIDTH-1] = EmptySquare;
10468 if((int)board[p][BOARD_WIDTH-2] < 0)
10469 board[p][BOARD_WIDTH-2] = 0;
10470 } else { /* black drop */
10471 p -= (int)BlackPawn;
10472 p = PieceToNumber((ChessSquare)p);
10473 if(p >= gameInfo.holdingsSize) p = 0;
10474 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10475 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10476 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10477 board[BOARD_HEIGHT-1-p][1] = 0;
10480 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10481 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10482 /* [HGM] holdings: Add to holdings, if holdings exist */
10483 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10484 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10485 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10487 p = (int) captured;
10488 if (p >= (int) BlackPawn) {
10489 p -= (int)BlackPawn;
10490 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10491 /* Restore shogi-promoted piece to its original first */
10492 captured = (ChessSquare) (DEMOTED(captured));
10495 p = PieceToNumber((ChessSquare)p);
10496 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10497 board[p][BOARD_WIDTH-2]++;
10498 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10500 p -= (int)WhitePawn;
10501 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10502 captured = (ChessSquare) (DEMOTED(captured));
10505 p = PieceToNumber((ChessSquare)p);
10506 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10507 board[BOARD_HEIGHT-1-p][1]++;
10508 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10511 } else if (gameInfo.variant == VariantAtomic) {
10512 if (captured != EmptySquare) {
10514 for (y = toY-1; y <= toY+1; y++) {
10515 for (x = toX-1; x <= toX+1; x++) {
10516 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10517 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10518 board[y][x] = EmptySquare;
10522 board[toY][toX] = EmptySquare;
10526 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10527 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10529 if(promoChar == '+') {
10530 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10531 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10532 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10533 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10534 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10535 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10536 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10537 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10538 board[toY][toX] = newPiece;
10540 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10541 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10542 // [HGM] superchess: take promotion piece out of holdings
10543 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10544 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10545 if(!--board[k][BOARD_WIDTH-2])
10546 board[k][BOARD_WIDTH-1] = EmptySquare;
10548 if(!--board[BOARD_HEIGHT-1-k][1])
10549 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10554 /* Updates forwardMostMove */
10556 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10558 int x = toX, y = toY;
10559 char *s = parseList[forwardMostMove];
10560 ChessSquare p = boards[forwardMostMove][toY][toX];
10561 // forwardMostMove++; // [HGM] bare: moved downstream
10563 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10564 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10565 (void) CoordsToAlgebraic(boards[forwardMostMove],
10566 PosFlags(forwardMostMove),
10567 fromY, fromX, y, x, (killX < 0)*promoChar,
10569 if(kill2X >= 0 && kill2Y >= 0)
10570 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10571 if(killX >= 0 && killY >= 0)
10572 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10573 toX + AAA, toY + ONE - '0', promoChar);
10575 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10576 int timeLeft; static int lastLoadFlag=0; int king, piece;
10577 piece = boards[forwardMostMove][fromY][fromX];
10578 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10579 if(gameInfo.variant == VariantKnightmate)
10580 king += (int) WhiteUnicorn - (int) WhiteKing;
10581 if(forwardMostMove == 0) {
10582 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10583 fprintf(serverMoves, "%s;", UserName());
10584 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10585 fprintf(serverMoves, "%s;", second.tidy);
10586 fprintf(serverMoves, "%s;", first.tidy);
10587 if(gameMode == MachinePlaysWhite)
10588 fprintf(serverMoves, "%s;", UserName());
10589 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10590 fprintf(serverMoves, "%s;", second.tidy);
10591 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10592 lastLoadFlag = loadFlag;
10594 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10595 // print castling suffix
10596 if( toY == fromY && piece == king ) {
10598 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10600 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10603 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10604 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10605 boards[forwardMostMove][toY][toX] == EmptySquare
10606 && fromX != toX && fromY != toY)
10607 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10608 // promotion suffix
10609 if(promoChar != NULLCHAR) {
10610 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10611 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10612 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10613 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10616 char buf[MOVE_LEN*2], *p; int len;
10617 fprintf(serverMoves, "/%d/%d",
10618 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10619 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10620 else timeLeft = blackTimeRemaining/1000;
10621 fprintf(serverMoves, "/%d", timeLeft);
10622 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10623 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10624 if(p = strchr(buf, '=')) *p = NULLCHAR;
10625 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10626 fprintf(serverMoves, "/%s", buf);
10628 fflush(serverMoves);
10631 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10632 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10635 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10636 if (commentList[forwardMostMove+1] != NULL) {
10637 free(commentList[forwardMostMove+1]);
10638 commentList[forwardMostMove+1] = NULL;
10640 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10641 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10642 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10643 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10644 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10645 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10646 adjustedClock = FALSE;
10647 gameInfo.result = GameUnfinished;
10648 if (gameInfo.resultDetails != NULL) {
10649 free(gameInfo.resultDetails);
10650 gameInfo.resultDetails = NULL;
10652 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10653 moveList[forwardMostMove - 1]);
10654 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10660 if(!IS_SHOGI(gameInfo.variant))
10661 strcat(parseList[forwardMostMove - 1], "+");
10665 strcat(parseList[forwardMostMove - 1], "#");
10670 /* Updates currentMove if not pausing */
10672 ShowMove (int fromX, int fromY, int toX, int toY)
10674 int instant = (gameMode == PlayFromGameFile) ?
10675 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10676 if(appData.noGUI) return;
10677 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10679 if (forwardMostMove == currentMove + 1) {
10680 AnimateMove(boards[forwardMostMove - 1],
10681 fromX, fromY, toX, toY);
10684 currentMove = forwardMostMove;
10687 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10689 if (instant) return;
10691 DisplayMove(currentMove - 1);
10692 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10693 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10694 SetHighlights(fromX, fromY, toX, toY);
10697 DrawPosition(FALSE, boards[currentMove]);
10698 DisplayBothClocks();
10699 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10703 SendEgtPath (ChessProgramState *cps)
10704 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10705 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10707 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10710 char c, *q = name+1, *r, *s;
10712 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10713 while(*p && *p != ',') *q++ = *p++;
10714 *q++ = ':'; *q = 0;
10715 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10716 strcmp(name, ",nalimov:") == 0 ) {
10717 // take nalimov path from the menu-changeable option first, if it is defined
10718 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10719 SendToProgram(buf,cps); // send egtbpath command for nalimov
10721 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10722 (s = StrStr(appData.egtFormats, name)) != NULL) {
10723 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10724 s = r = StrStr(s, ":") + 1; // beginning of path info
10725 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10726 c = *r; *r = 0; // temporarily null-terminate path info
10727 *--q = 0; // strip of trailig ':' from name
10728 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10730 SendToProgram(buf,cps); // send egtbpath command for this format
10732 if(*p == ',') p++; // read away comma to position for next format name
10737 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10739 int width = 8, height = 8, holdings = 0; // most common sizes
10740 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10741 // correct the deviations default for each variant
10742 if( v == VariantXiangqi ) width = 9, height = 10;
10743 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10744 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10745 if( v == VariantCapablanca || v == VariantCapaRandom ||
10746 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10748 if( v == VariantCourier ) width = 12;
10749 if( v == VariantSuper ) holdings = 8;
10750 if( v == VariantGreat ) width = 10, holdings = 8;
10751 if( v == VariantSChess ) holdings = 7;
10752 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10753 if( v == VariantChuChess) width = 10, height = 10;
10754 if( v == VariantChu ) width = 12, height = 12;
10755 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10756 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10757 holdingsSize >= 0 && holdingsSize != holdings;
10760 char variantError[MSG_SIZ];
10763 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10764 { // returns error message (recognizable by upper-case) if engine does not support the variant
10765 char *p, *variant = VariantName(v);
10766 static char b[MSG_SIZ];
10767 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10768 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10769 holdingsSize, variant); // cook up sized variant name
10770 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10771 if(StrStr(list, b) == NULL) {
10772 // specific sized variant not known, check if general sizing allowed
10773 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10774 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10775 boardWidth, boardHeight, holdingsSize, engine);
10778 /* [HGM] here we really should compare with the maximum supported board size */
10780 } else snprintf(b, MSG_SIZ,"%s", variant);
10781 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10782 p = StrStr(list, b);
10783 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10785 // occurs not at all in list, or only as sub-string
10786 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10787 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10788 int l = strlen(variantError);
10790 while(p != list && p[-1] != ',') p--;
10791 q = strchr(p, ',');
10792 if(q) *q = NULLCHAR;
10793 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10802 InitChessProgram (ChessProgramState *cps, int setup)
10803 /* setup needed to setup FRC opening position */
10805 char buf[MSG_SIZ], *b;
10806 if (appData.noChessProgram) return;
10807 hintRequested = FALSE;
10808 bookRequested = FALSE;
10810 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10811 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10812 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10813 if(cps->memSize) { /* [HGM] memory */
10814 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10815 SendToProgram(buf, cps);
10817 SendEgtPath(cps); /* [HGM] EGT */
10818 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10819 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10820 SendToProgram(buf, cps);
10823 setboardSpoiledMachineBlack = FALSE;
10824 SendToProgram(cps->initString, cps);
10825 if (gameInfo.variant != VariantNormal &&
10826 gameInfo.variant != VariantLoadable
10827 /* [HGM] also send variant if board size non-standard */
10828 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10830 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10831 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10835 char c, *q = cps->variants, *p = strchr(q, ',');
10836 if(p) *p = NULLCHAR;
10837 v = StringToVariant(q);
10838 DisplayError(variantError, 0);
10839 if(v != VariantUnknown && cps == &first) {
10841 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10842 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10843 ASSIGN(appData.variant, q);
10844 Reset(TRUE, FALSE);
10850 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10851 SendToProgram(buf, cps);
10853 currentlyInitializedVariant = gameInfo.variant;
10855 /* [HGM] send opening position in FRC to first engine */
10857 SendToProgram("force\n", cps);
10859 /* engine is now in force mode! Set flag to wake it up after first move. */
10860 setboardSpoiledMachineBlack = 1;
10863 if (cps->sendICS) {
10864 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10865 SendToProgram(buf, cps);
10867 cps->maybeThinking = FALSE;
10868 cps->offeredDraw = 0;
10869 if (!appData.icsActive) {
10870 SendTimeControl(cps, movesPerSession, timeControl,
10871 timeIncrement, appData.searchDepth,
10874 if (appData.showThinking
10875 // [HGM] thinking: four options require thinking output to be sent
10876 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10878 SendToProgram("post\n", cps);
10880 SendToProgram("hard\n", cps);
10881 if (!appData.ponderNextMove) {
10882 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10883 it without being sure what state we are in first. "hard"
10884 is not a toggle, so that one is OK.
10886 SendToProgram("easy\n", cps);
10888 if (cps->usePing) {
10889 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10890 SendToProgram(buf, cps);
10892 cps->initDone = TRUE;
10893 ClearEngineOutputPane(cps == &second);
10898 ResendOptions (ChessProgramState *cps)
10899 { // send the stored value of the options
10902 Option *opt = cps->option;
10903 for(i=0; i<cps->nrOptions; i++, opt++) {
10904 switch(opt->type) {
10908 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10911 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10914 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10920 SendToProgram(buf, cps);
10925 StartChessProgram (ChessProgramState *cps)
10930 if (appData.noChessProgram) return;
10931 cps->initDone = FALSE;
10933 if (strcmp(cps->host, "localhost") == 0) {
10934 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10935 } else if (*appData.remoteShell == NULLCHAR) {
10936 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10938 if (*appData.remoteUser == NULLCHAR) {
10939 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10942 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10943 cps->host, appData.remoteUser, cps->program);
10945 err = StartChildProcess(buf, "", &cps->pr);
10949 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10950 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10951 if(cps != &first) return;
10952 appData.noChessProgram = TRUE;
10955 // DisplayFatalError(buf, err, 1);
10956 // cps->pr = NoProc;
10957 // cps->isr = NULL;
10961 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10962 if (cps->protocolVersion > 1) {
10963 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10964 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10965 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10966 cps->comboCnt = 0; // and values of combo boxes
10968 SendToProgram(buf, cps);
10969 if(cps->reload) ResendOptions(cps);
10971 SendToProgram("xboard\n", cps);
10976 TwoMachinesEventIfReady P((void))
10978 static int curMess = 0;
10979 if (first.lastPing != first.lastPong) {
10980 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10981 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10984 if (second.lastPing != second.lastPong) {
10985 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10986 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10989 DisplayMessage("", ""); curMess = 0;
10990 TwoMachinesEvent();
10994 MakeName (char *template)
10998 static char buf[MSG_SIZ];
11002 clock = time((time_t *)NULL);
11003 tm = localtime(&clock);
11005 while(*p++ = *template++) if(p[-1] == '%') {
11006 switch(*template++) {
11007 case 0: *p = 0; return buf;
11008 case 'Y': i = tm->tm_year+1900; break;
11009 case 'y': i = tm->tm_year-100; break;
11010 case 'M': i = tm->tm_mon+1; break;
11011 case 'd': i = tm->tm_mday; break;
11012 case 'h': i = tm->tm_hour; break;
11013 case 'm': i = tm->tm_min; break;
11014 case 's': i = tm->tm_sec; break;
11017 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11023 CountPlayers (char *p)
11026 while(p = strchr(p, '\n')) p++, n++; // count participants
11031 WriteTourneyFile (char *results, FILE *f)
11032 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11033 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11034 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11035 // create a file with tournament description
11036 fprintf(f, "-participants {%s}\n", appData.participants);
11037 fprintf(f, "-seedBase %d\n", appData.seedBase);
11038 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11039 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11040 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11041 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11042 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11043 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11044 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11045 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11046 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11047 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11048 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11049 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11050 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11051 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11052 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11053 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11054 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11055 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11056 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11057 fprintf(f, "-smpCores %d\n", appData.smpCores);
11059 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11061 fprintf(f, "-mps %d\n", appData.movesPerSession);
11062 fprintf(f, "-tc %s\n", appData.timeControl);
11063 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11065 fprintf(f, "-results \"%s\"\n", results);
11070 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11073 Substitute (char *participants, int expunge)
11075 int i, changed, changes=0, nPlayers=0;
11076 char *p, *q, *r, buf[MSG_SIZ];
11077 if(participants == NULL) return;
11078 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11079 r = p = participants; q = appData.participants;
11080 while(*p && *p == *q) {
11081 if(*p == '\n') r = p+1, nPlayers++;
11084 if(*p) { // difference
11085 while(*p && *p++ != '\n')
11087 while(*q && *q++ != '\n')
11089 changed = nPlayers;
11090 changes = 1 + (strcmp(p, q) != 0);
11092 if(changes == 1) { // a single engine mnemonic was changed
11093 q = r; while(*q) nPlayers += (*q++ == '\n');
11094 p = buf; while(*r && (*p = *r++) != '\n') p++;
11096 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11097 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11098 if(mnemonic[i]) { // The substitute is valid
11100 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11101 flock(fileno(f), LOCK_EX);
11102 ParseArgsFromFile(f);
11103 fseek(f, 0, SEEK_SET);
11104 FREE(appData.participants); appData.participants = participants;
11105 if(expunge) { // erase results of replaced engine
11106 int len = strlen(appData.results), w, b, dummy;
11107 for(i=0; i<len; i++) {
11108 Pairing(i, nPlayers, &w, &b, &dummy);
11109 if((w == changed || b == changed) && appData.results[i] == '*') {
11110 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11115 for(i=0; i<len; i++) {
11116 Pairing(i, nPlayers, &w, &b, &dummy);
11117 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11120 WriteTourneyFile(appData.results, f);
11121 fclose(f); // release lock
11124 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11126 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11127 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11128 free(participants);
11133 CheckPlayers (char *participants)
11136 char buf[MSG_SIZ], *p;
11137 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11138 while(p = strchr(participants, '\n')) {
11140 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11142 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11144 DisplayError(buf, 0);
11148 participants = p + 1;
11154 CreateTourney (char *name)
11157 if(matchMode && strcmp(name, appData.tourneyFile)) {
11158 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11160 if(name[0] == NULLCHAR) {
11161 if(appData.participants[0])
11162 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11165 f = fopen(name, "r");
11166 if(f) { // file exists
11167 ASSIGN(appData.tourneyFile, name);
11168 ParseArgsFromFile(f); // parse it
11170 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11171 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11172 DisplayError(_("Not enough participants"), 0);
11175 if(CheckPlayers(appData.participants)) return 0;
11176 ASSIGN(appData.tourneyFile, name);
11177 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11178 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11181 appData.noChessProgram = FALSE;
11182 appData.clockMode = TRUE;
11188 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11190 char buf[MSG_SIZ], *p, *q;
11191 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11192 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11193 skip = !all && group[0]; // if group requested, we start in skip mode
11194 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11195 p = names; q = buf; header = 0;
11196 while(*p && *p != '\n') *q++ = *p++;
11198 if(*p == '\n') p++;
11199 if(buf[0] == '#') {
11200 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11201 depth++; // we must be entering a new group
11202 if(all) continue; // suppress printing group headers when complete list requested
11204 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11206 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11207 if(engineList[i]) free(engineList[i]);
11208 engineList[i] = strdup(buf);
11209 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11210 if(engineMnemonic[i]) free(engineMnemonic[i]);
11211 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11213 sscanf(q + 8, "%s", buf + strlen(buf));
11216 engineMnemonic[i] = strdup(buf);
11219 engineList[i] = engineMnemonic[i] = NULL;
11223 // following implemented as macro to avoid type limitations
11224 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11227 SwapEngines (int n)
11228 { // swap settings for first engine and other engine (so far only some selected options)
11233 SWAP(chessProgram, p)
11235 SWAP(hasOwnBookUCI, h)
11236 SWAP(protocolVersion, h)
11238 SWAP(scoreIsAbsolute, h)
11243 SWAP(engOptions, p)
11244 SWAP(engInitString, p)
11245 SWAP(computerString, p)
11247 SWAP(fenOverride, p)
11249 SWAP(accumulateTC, h)
11256 GetEngineLine (char *s, int n)
11260 extern char *icsNames;
11261 if(!s || !*s) return 0;
11262 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11263 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11264 if(!mnemonic[i]) return 0;
11265 if(n == 11) return 1; // just testing if there was a match
11266 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11267 if(n == 1) SwapEngines(n);
11268 ParseArgsFromString(buf);
11269 if(n == 1) SwapEngines(n);
11270 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11271 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11272 ParseArgsFromString(buf);
11278 SetPlayer (int player, char *p)
11279 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11281 char buf[MSG_SIZ], *engineName;
11282 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11283 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11284 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11286 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11287 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11288 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11289 ParseArgsFromString(buf);
11290 } else { // no engine with this nickname is installed!
11291 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11292 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11293 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11295 DisplayError(buf, 0);
11302 char *recentEngines;
11305 RecentEngineEvent (int nr)
11308 // SwapEngines(1); // bump first to second
11309 // ReplaceEngine(&second, 1); // and load it there
11310 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11311 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11312 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11313 ReplaceEngine(&first, 0);
11314 FloatToFront(&appData.recentEngineList, command[n]);
11319 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11320 { // determine players from game number
11321 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11323 if(appData.tourneyType == 0) {
11324 roundsPerCycle = (nPlayers - 1) | 1;
11325 pairingsPerRound = nPlayers / 2;
11326 } else if(appData.tourneyType > 0) {
11327 roundsPerCycle = nPlayers - appData.tourneyType;
11328 pairingsPerRound = appData.tourneyType;
11330 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11331 gamesPerCycle = gamesPerRound * roundsPerCycle;
11332 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11333 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11334 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11335 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11336 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11337 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11339 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11340 if(appData.roundSync) *syncInterval = gamesPerRound;
11342 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11344 if(appData.tourneyType == 0) {
11345 if(curPairing == (nPlayers-1)/2 ) {
11346 *whitePlayer = curRound;
11347 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11349 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11350 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11351 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11352 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11354 } else if(appData.tourneyType > 1) {
11355 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11356 *whitePlayer = curRound + appData.tourneyType;
11357 } else if(appData.tourneyType > 0) {
11358 *whitePlayer = curPairing;
11359 *blackPlayer = curRound + appData.tourneyType;
11362 // take care of white/black alternation per round.
11363 // For cycles and games this is already taken care of by default, derived from matchGame!
11364 return curRound & 1;
11368 NextTourneyGame (int nr, int *swapColors)
11369 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11371 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11373 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11374 tf = fopen(appData.tourneyFile, "r");
11375 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11376 ParseArgsFromFile(tf); fclose(tf);
11377 InitTimeControls(); // TC might be altered from tourney file
11379 nPlayers = CountPlayers(appData.participants); // count participants
11380 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11381 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11384 p = q = appData.results;
11385 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11386 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11387 DisplayMessage(_("Waiting for other game(s)"),"");
11388 waitingForGame = TRUE;
11389 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11392 waitingForGame = FALSE;
11395 if(appData.tourneyType < 0) {
11396 if(nr>=0 && !pairingReceived) {
11398 if(pairing.pr == NoProc) {
11399 if(!appData.pairingEngine[0]) {
11400 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11403 StartChessProgram(&pairing); // starts the pairing engine
11405 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11406 SendToProgram(buf, &pairing);
11407 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11408 SendToProgram(buf, &pairing);
11409 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11411 pairingReceived = 0; // ... so we continue here
11413 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11414 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11415 matchGame = 1; roundNr = nr / syncInterval + 1;
11418 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11420 // redefine engines, engine dir, etc.
11421 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11422 if(first.pr == NoProc) {
11423 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11424 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11426 if(second.pr == NoProc) {
11428 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11429 SwapEngines(1); // and make that valid for second engine by swapping
11430 InitEngine(&second, 1);
11432 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11433 UpdateLogos(FALSE); // leave display to ModeHiglight()
11439 { // performs game initialization that does not invoke engines, and then tries to start the game
11440 int res, firstWhite, swapColors = 0;
11441 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11442 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
11444 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11445 if(strcmp(buf, currentDebugFile)) { // name has changed
11446 FILE *f = fopen(buf, "w");
11447 if(f) { // if opening the new file failed, just keep using the old one
11448 ASSIGN(currentDebugFile, buf);
11452 if(appData.serverFileName) {
11453 if(serverFP) fclose(serverFP);
11454 serverFP = fopen(appData.serverFileName, "w");
11455 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11456 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11460 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11461 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11462 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11463 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11464 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11465 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11466 Reset(FALSE, first.pr != NoProc);
11467 res = LoadGameOrPosition(matchGame); // setup game
11468 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11469 if(!res) return; // abort when bad game/pos file
11470 if(appData.epd) {// in EPD mode we make sure first engine is to move
11471 firstWhite = !(forwardMostMove & 1);
11472 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11473 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11475 TwoMachinesEvent();
11479 UserAdjudicationEvent (int result)
11481 ChessMove gameResult = GameIsDrawn;
11484 gameResult = WhiteWins;
11486 else if( result < 0 ) {
11487 gameResult = BlackWins;
11490 if( gameMode == TwoMachinesPlay ) {
11491 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11496 // [HGM] save: calculate checksum of game to make games easily identifiable
11498 StringCheckSum (char *s)
11501 if(s==NULL) return 0;
11502 while(*s) i = i*259 + *s++;
11510 for(i=backwardMostMove; i<forwardMostMove; i++) {
11511 sum += pvInfoList[i].depth;
11512 sum += StringCheckSum(parseList[i]);
11513 sum += StringCheckSum(commentList[i]);
11516 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11517 return sum + StringCheckSum(commentList[i]);
11518 } // end of save patch
11521 GameEnds (ChessMove result, char *resultDetails, int whosays)
11523 GameMode nextGameMode;
11525 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11527 if(endingGame) return; /* [HGM] crash: forbid recursion */
11529 if(twoBoards) { // [HGM] dual: switch back to one board
11530 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11531 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11533 if (appData.debugMode) {
11534 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11535 result, resultDetails ? resultDetails : "(null)", whosays);
11538 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11540 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11542 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11543 /* If we are playing on ICS, the server decides when the
11544 game is over, but the engine can offer to draw, claim
11548 if (appData.zippyPlay && first.initDone) {
11549 if (result == GameIsDrawn) {
11550 /* In case draw still needs to be claimed */
11551 SendToICS(ics_prefix);
11552 SendToICS("draw\n");
11553 } else if (StrCaseStr(resultDetails, "resign")) {
11554 SendToICS(ics_prefix);
11555 SendToICS("resign\n");
11559 endingGame = 0; /* [HGM] crash */
11563 /* If we're loading the game from a file, stop */
11564 if (whosays == GE_FILE) {
11565 (void) StopLoadGameTimer();
11569 /* Cancel draw offers */
11570 first.offeredDraw = second.offeredDraw = 0;
11572 /* If this is an ICS game, only ICS can really say it's done;
11573 if not, anyone can. */
11574 isIcsGame = (gameMode == IcsPlayingWhite ||
11575 gameMode == IcsPlayingBlack ||
11576 gameMode == IcsObserving ||
11577 gameMode == IcsExamining);
11579 if (!isIcsGame || whosays == GE_ICS) {
11580 /* OK -- not an ICS game, or ICS said it was done */
11582 if (!isIcsGame && !appData.noChessProgram)
11583 SetUserThinkingEnables();
11585 /* [HGM] if a machine claims the game end we verify this claim */
11586 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11587 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11589 ChessMove trueResult = (ChessMove) -1;
11591 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11592 first.twoMachinesColor[0] :
11593 second.twoMachinesColor[0] ;
11595 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11596 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11597 /* [HGM] verify: engine mate claims accepted if they were flagged */
11598 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11600 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11601 /* [HGM] verify: engine mate claims accepted if they were flagged */
11602 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11604 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11605 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11608 // now verify win claims, but not in drop games, as we don't understand those yet
11609 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11610 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11611 (result == WhiteWins && claimer == 'w' ||
11612 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11613 if (appData.debugMode) {
11614 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11615 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11617 if(result != trueResult) {
11618 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11619 result = claimer == 'w' ? BlackWins : WhiteWins;
11620 resultDetails = buf;
11623 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11624 && (forwardMostMove <= backwardMostMove ||
11625 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11626 (claimer=='b')==(forwardMostMove&1))
11628 /* [HGM] verify: draws that were not flagged are false claims */
11629 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11630 result = claimer == 'w' ? BlackWins : WhiteWins;
11631 resultDetails = buf;
11633 /* (Claiming a loss is accepted no questions asked!) */
11634 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11635 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11636 result = GameUnfinished;
11637 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11639 /* [HGM] bare: don't allow bare King to win */
11640 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11641 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11642 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11643 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11644 && result != GameIsDrawn)
11645 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11646 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11647 int p = (signed char)boards[forwardMostMove][i][j] - color;
11648 if(p >= 0 && p <= (int)WhiteKing) k++;
11649 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11651 if (appData.debugMode) {
11652 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11653 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11655 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11656 result = GameIsDrawn;
11657 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11658 resultDetails = buf;
11664 if(serverMoves != NULL && !loadFlag) { char c = '=';
11665 if(result==WhiteWins) c = '+';
11666 if(result==BlackWins) c = '-';
11667 if(resultDetails != NULL)
11668 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11670 if (resultDetails != NULL) {
11671 gameInfo.result = result;
11672 gameInfo.resultDetails = StrSave(resultDetails);
11674 /* display last move only if game was not loaded from file */
11675 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11676 DisplayMove(currentMove - 1);
11678 if (forwardMostMove != 0) {
11679 if (gameMode != PlayFromGameFile && gameMode != EditGame
11680 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11682 if (*appData.saveGameFile != NULLCHAR) {
11683 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11684 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11686 SaveGameToFile(appData.saveGameFile, TRUE);
11687 } else if (appData.autoSaveGames) {
11688 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11690 if (*appData.savePositionFile != NULLCHAR) {
11691 SavePositionToFile(appData.savePositionFile);
11693 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11697 /* Tell program how game ended in case it is learning */
11698 /* [HGM] Moved this to after saving the PGN, just in case */
11699 /* engine died and we got here through time loss. In that */
11700 /* case we will get a fatal error writing the pipe, which */
11701 /* would otherwise lose us the PGN. */
11702 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11703 /* output during GameEnds should never be fatal anymore */
11704 if (gameMode == MachinePlaysWhite ||
11705 gameMode == MachinePlaysBlack ||
11706 gameMode == TwoMachinesPlay ||
11707 gameMode == IcsPlayingWhite ||
11708 gameMode == IcsPlayingBlack ||
11709 gameMode == BeginningOfGame) {
11711 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11713 if (first.pr != NoProc) {
11714 SendToProgram(buf, &first);
11716 if (second.pr != NoProc &&
11717 gameMode == TwoMachinesPlay) {
11718 SendToProgram(buf, &second);
11723 if (appData.icsActive) {
11724 if (appData.quietPlay &&
11725 (gameMode == IcsPlayingWhite ||
11726 gameMode == IcsPlayingBlack)) {
11727 SendToICS(ics_prefix);
11728 SendToICS("set shout 1\n");
11730 nextGameMode = IcsIdle;
11731 ics_user_moved = FALSE;
11732 /* clean up premove. It's ugly when the game has ended and the
11733 * premove highlights are still on the board.
11736 gotPremove = FALSE;
11737 ClearPremoveHighlights();
11738 DrawPosition(FALSE, boards[currentMove]);
11740 if (whosays == GE_ICS) {
11743 if (gameMode == IcsPlayingWhite)
11745 else if(gameMode == IcsPlayingBlack)
11746 PlayIcsLossSound();
11749 if (gameMode == IcsPlayingBlack)
11751 else if(gameMode == IcsPlayingWhite)
11752 PlayIcsLossSound();
11755 PlayIcsDrawSound();
11758 PlayIcsUnfinishedSound();
11761 if(appData.quitNext) { ExitEvent(0); return; }
11762 } else if (gameMode == EditGame ||
11763 gameMode == PlayFromGameFile ||
11764 gameMode == AnalyzeMode ||
11765 gameMode == AnalyzeFile) {
11766 nextGameMode = gameMode;
11768 nextGameMode = EndOfGame;
11773 nextGameMode = gameMode;
11776 if (appData.noChessProgram) {
11777 gameMode = nextGameMode;
11779 endingGame = 0; /* [HGM] crash */
11784 /* Put first chess program into idle state */
11785 if (first.pr != NoProc &&
11786 (gameMode == MachinePlaysWhite ||
11787 gameMode == MachinePlaysBlack ||
11788 gameMode == TwoMachinesPlay ||
11789 gameMode == IcsPlayingWhite ||
11790 gameMode == IcsPlayingBlack ||
11791 gameMode == BeginningOfGame)) {
11792 SendToProgram("force\n", &first);
11793 if (first.usePing) {
11795 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11796 SendToProgram(buf, &first);
11799 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11800 /* Kill off first chess program */
11801 if (first.isr != NULL)
11802 RemoveInputSource(first.isr);
11805 if (first.pr != NoProc) {
11807 DoSleep( appData.delayBeforeQuit );
11808 SendToProgram("quit\n", &first);
11809 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11810 first.reload = TRUE;
11814 if (second.reuse) {
11815 /* Put second chess program into idle state */
11816 if (second.pr != NoProc &&
11817 gameMode == TwoMachinesPlay) {
11818 SendToProgram("force\n", &second);
11819 if (second.usePing) {
11821 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11822 SendToProgram(buf, &second);
11825 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11826 /* Kill off second chess program */
11827 if (second.isr != NULL)
11828 RemoveInputSource(second.isr);
11831 if (second.pr != NoProc) {
11832 DoSleep( appData.delayBeforeQuit );
11833 SendToProgram("quit\n", &second);
11834 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11835 second.reload = TRUE;
11837 second.pr = NoProc;
11840 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11841 char resChar = '=';
11845 if (first.twoMachinesColor[0] == 'w') {
11848 second.matchWins++;
11853 if (first.twoMachinesColor[0] == 'b') {
11856 second.matchWins++;
11859 case GameUnfinished:
11865 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11866 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11867 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11868 ReserveGame(nextGame, resChar); // sets nextGame
11869 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11870 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11871 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11873 if (nextGame <= appData.matchGames && !abortMatch) {
11874 gameMode = nextGameMode;
11875 matchGame = nextGame; // this will be overruled in tourney mode!
11876 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11877 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11878 endingGame = 0; /* [HGM] crash */
11881 gameMode = nextGameMode;
11883 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11884 OutputKibitz(2, buf);
11885 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11886 OutputKibitz(2, buf);
11887 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11888 if(second.matchWins) OutputKibitz(2, buf);
11889 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11890 OutputKibitz(2, buf);
11892 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11893 first.tidy, second.tidy,
11894 first.matchWins, second.matchWins,
11895 appData.matchGames - (first.matchWins + second.matchWins));
11896 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11897 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11898 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11899 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11900 first.twoMachinesColor = "black\n";
11901 second.twoMachinesColor = "white\n";
11903 first.twoMachinesColor = "white\n";
11904 second.twoMachinesColor = "black\n";
11908 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11909 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11911 gameMode = nextGameMode;
11913 endingGame = 0; /* [HGM] crash */
11914 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11915 if(matchMode == TRUE) { // match through command line: exit with or without popup
11917 ToNrEvent(forwardMostMove);
11918 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11920 } else DisplayFatalError(buf, 0, 0);
11921 } else { // match through menu; just stop, with or without popup
11922 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11925 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11926 } else DisplayNote(buf);
11928 if(ranking) free(ranking);
11932 /* Assumes program was just initialized (initString sent).
11933 Leaves program in force mode. */
11935 FeedMovesToProgram (ChessProgramState *cps, int upto)
11939 if (appData.debugMode)
11940 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11941 startedFromSetupPosition ? "position and " : "",
11942 backwardMostMove, upto, cps->which);
11943 if(currentlyInitializedVariant != gameInfo.variant) {
11945 // [HGM] variantswitch: make engine aware of new variant
11946 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11947 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11948 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11949 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11950 SendToProgram(buf, cps);
11951 currentlyInitializedVariant = gameInfo.variant;
11953 SendToProgram("force\n", cps);
11954 if (startedFromSetupPosition) {
11955 SendBoard(cps, backwardMostMove);
11956 if (appData.debugMode) {
11957 fprintf(debugFP, "feedMoves\n");
11960 for (i = backwardMostMove; i < upto; i++) {
11961 SendMoveToProgram(i, cps);
11967 ResurrectChessProgram ()
11969 /* The chess program may have exited.
11970 If so, restart it and feed it all the moves made so far. */
11971 static int doInit = 0;
11973 if (appData.noChessProgram) return 1;
11975 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11976 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11977 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11978 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11980 if (first.pr != NoProc) return 1;
11981 StartChessProgram(&first);
11983 InitChessProgram(&first, FALSE);
11984 FeedMovesToProgram(&first, currentMove);
11986 if (!first.sendTime) {
11987 /* can't tell gnuchess what its clock should read,
11988 so we bow to its notion. */
11990 timeRemaining[0][currentMove] = whiteTimeRemaining;
11991 timeRemaining[1][currentMove] = blackTimeRemaining;
11994 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11995 appData.icsEngineAnalyze) && first.analysisSupport) {
11996 SendToProgram("analyze\n", &first);
11997 first.analyzing = TRUE;
12003 * Button procedures
12006 Reset (int redraw, int init)
12010 if (appData.debugMode) {
12011 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12012 redraw, init, gameMode);
12014 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12015 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12016 CleanupTail(); // [HGM] vari: delete any stored variations
12017 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12018 pausing = pauseExamInvalid = FALSE;
12019 startedFromSetupPosition = blackPlaysFirst = FALSE;
12021 whiteFlag = blackFlag = FALSE;
12022 userOfferedDraw = FALSE;
12023 hintRequested = bookRequested = FALSE;
12024 first.maybeThinking = FALSE;
12025 second.maybeThinking = FALSE;
12026 first.bookSuspend = FALSE; // [HGM] book
12027 second.bookSuspend = FALSE;
12028 thinkOutput[0] = NULLCHAR;
12029 lastHint[0] = NULLCHAR;
12030 ClearGameInfo(&gameInfo);
12031 gameInfo.variant = StringToVariant(appData.variant);
12032 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12033 gameInfo.variant = VariantUnknown;
12034 strncpy(engineVariant, appData.variant, MSG_SIZ);
12036 ics_user_moved = ics_clock_paused = FALSE;
12037 ics_getting_history = H_FALSE;
12039 white_holding[0] = black_holding[0] = NULLCHAR;
12040 ClearProgramStats();
12041 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12045 flipView = appData.flipView;
12046 ClearPremoveHighlights();
12047 gotPremove = FALSE;
12048 alarmSounded = FALSE;
12049 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12051 GameEnds(EndOfFile, NULL, GE_PLAYER);
12052 if(appData.serverMovesName != NULL) {
12053 /* [HGM] prepare to make moves file for broadcasting */
12054 clock_t t = clock();
12055 if(serverMoves != NULL) fclose(serverMoves);
12056 serverMoves = fopen(appData.serverMovesName, "r");
12057 if(serverMoves != NULL) {
12058 fclose(serverMoves);
12059 /* delay 15 sec before overwriting, so all clients can see end */
12060 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12062 serverMoves = fopen(appData.serverMovesName, "w");
12066 gameMode = BeginningOfGame;
12068 if(appData.icsActive) gameInfo.variant = VariantNormal;
12069 currentMove = forwardMostMove = backwardMostMove = 0;
12070 MarkTargetSquares(1);
12071 InitPosition(redraw);
12072 for (i = 0; i < MAX_MOVES; i++) {
12073 if (commentList[i] != NULL) {
12074 free(commentList[i]);
12075 commentList[i] = NULL;
12079 timeRemaining[0][0] = whiteTimeRemaining;
12080 timeRemaining[1][0] = blackTimeRemaining;
12082 if (first.pr == NoProc) {
12083 StartChessProgram(&first);
12086 InitChessProgram(&first, startedFromSetupPosition);
12089 DisplayMessage("", "");
12090 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12091 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12092 ClearMap(); // [HGM] exclude: invalidate map
12096 AutoPlayGameLoop ()
12099 if (!AutoPlayOneMove())
12101 if (matchMode || appData.timeDelay == 0)
12103 if (appData.timeDelay < 0)
12105 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12113 ReloadGame(1); // next game
12119 int fromX, fromY, toX, toY;
12121 if (appData.debugMode) {
12122 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12125 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12128 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12129 pvInfoList[currentMove].depth = programStats.depth;
12130 pvInfoList[currentMove].score = programStats.score;
12131 pvInfoList[currentMove].time = 0;
12132 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12133 else { // append analysis of final position as comment
12135 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12136 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12138 programStats.depth = 0;
12141 if (currentMove >= forwardMostMove) {
12142 if(gameMode == AnalyzeFile) {
12143 if(appData.loadGameIndex == -1) {
12144 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12145 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12147 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12150 // gameMode = EndOfGame;
12151 // ModeHighlight();
12153 /* [AS] Clear current move marker at the end of a game */
12154 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12159 toX = moveList[currentMove][2] - AAA;
12160 toY = moveList[currentMove][3] - ONE;
12162 if (moveList[currentMove][1] == '@') {
12163 if (appData.highlightLastMove) {
12164 SetHighlights(-1, -1, toX, toY);
12167 fromX = moveList[currentMove][0] - AAA;
12168 fromY = moveList[currentMove][1] - ONE;
12170 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12172 if(moveList[currentMove][4] == ';') { // multi-leg
12173 killX = moveList[currentMove][5] - AAA;
12174 killY = moveList[currentMove][6] - ONE;
12176 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12177 killX = killY = -1;
12179 if (appData.highlightLastMove) {
12180 SetHighlights(fromX, fromY, toX, toY);
12183 DisplayMove(currentMove);
12184 SendMoveToProgram(currentMove++, &first);
12185 DisplayBothClocks();
12186 DrawPosition(FALSE, boards[currentMove]);
12187 // [HGM] PV info: always display, routine tests if empty
12188 DisplayComment(currentMove - 1, commentList[currentMove]);
12194 LoadGameOneMove (ChessMove readAhead)
12196 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12197 char promoChar = NULLCHAR;
12198 ChessMove moveType;
12199 char move[MSG_SIZ];
12202 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12203 gameMode != AnalyzeMode && gameMode != Training) {
12208 yyboardindex = forwardMostMove;
12209 if (readAhead != EndOfFile) {
12210 moveType = readAhead;
12212 if (gameFileFP == NULL)
12214 moveType = (ChessMove) Myylex();
12218 switch (moveType) {
12220 if (appData.debugMode)
12221 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12224 /* append the comment but don't display it */
12225 AppendComment(currentMove, p, FALSE);
12228 case WhiteCapturesEnPassant:
12229 case BlackCapturesEnPassant:
12230 case WhitePromotion:
12231 case BlackPromotion:
12232 case WhiteNonPromotion:
12233 case BlackNonPromotion:
12236 case WhiteKingSideCastle:
12237 case WhiteQueenSideCastle:
12238 case BlackKingSideCastle:
12239 case BlackQueenSideCastle:
12240 case WhiteKingSideCastleWild:
12241 case WhiteQueenSideCastleWild:
12242 case BlackKingSideCastleWild:
12243 case BlackQueenSideCastleWild:
12245 case WhiteHSideCastleFR:
12246 case WhiteASideCastleFR:
12247 case BlackHSideCastleFR:
12248 case BlackASideCastleFR:
12250 if (appData.debugMode)
12251 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12252 fromX = currentMoveString[0] - AAA;
12253 fromY = currentMoveString[1] - ONE;
12254 toX = currentMoveString[2] - AAA;
12255 toY = currentMoveString[3] - ONE;
12256 promoChar = currentMoveString[4];
12257 if(promoChar == ';') promoChar = currentMoveString[7];
12262 if (appData.debugMode)
12263 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12264 fromX = moveType == WhiteDrop ?
12265 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12266 (int) CharToPiece(ToLower(currentMoveString[0]));
12268 toX = currentMoveString[2] - AAA;
12269 toY = currentMoveString[3] - ONE;
12275 case GameUnfinished:
12276 if (appData.debugMode)
12277 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12278 p = strchr(yy_text, '{');
12279 if (p == NULL) p = strchr(yy_text, '(');
12282 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12284 q = strchr(p, *p == '{' ? '}' : ')');
12285 if (q != NULL) *q = NULLCHAR;
12288 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12289 GameEnds(moveType, p, GE_FILE);
12291 if (cmailMsgLoaded) {
12293 flipView = WhiteOnMove(currentMove);
12294 if (moveType == GameUnfinished) flipView = !flipView;
12295 if (appData.debugMode)
12296 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12301 if (appData.debugMode)
12302 fprintf(debugFP, "Parser hit end of file\n");
12303 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12309 if (WhiteOnMove(currentMove)) {
12310 GameEnds(BlackWins, "Black mates", GE_FILE);
12312 GameEnds(WhiteWins, "White mates", GE_FILE);
12316 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12322 case MoveNumberOne:
12323 if (lastLoadGameStart == GNUChessGame) {
12324 /* GNUChessGames have numbers, but they aren't move numbers */
12325 if (appData.debugMode)
12326 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12327 yy_text, (int) moveType);
12328 return LoadGameOneMove(EndOfFile); /* tail recursion */
12330 /* else fall thru */
12335 /* Reached start of next game in file */
12336 if (appData.debugMode)
12337 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12338 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12344 if (WhiteOnMove(currentMove)) {
12345 GameEnds(BlackWins, "Black mates", GE_FILE);
12347 GameEnds(WhiteWins, "White mates", GE_FILE);
12351 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12357 case PositionDiagram: /* should not happen; ignore */
12358 case ElapsedTime: /* ignore */
12359 case NAG: /* ignore */
12360 if (appData.debugMode)
12361 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12362 yy_text, (int) moveType);
12363 return LoadGameOneMove(EndOfFile); /* tail recursion */
12366 if (appData.testLegality) {
12367 if (appData.debugMode)
12368 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12369 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12370 (forwardMostMove / 2) + 1,
12371 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12372 DisplayError(move, 0);
12375 if (appData.debugMode)
12376 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12377 yy_text, currentMoveString);
12378 if(currentMoveString[1] == '@') {
12379 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12382 fromX = currentMoveString[0] - AAA;
12383 fromY = currentMoveString[1] - ONE;
12385 toX = currentMoveString[2] - AAA;
12386 toY = currentMoveString[3] - ONE;
12387 promoChar = currentMoveString[4];
12391 case AmbiguousMove:
12392 if (appData.debugMode)
12393 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12394 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12395 (forwardMostMove / 2) + 1,
12396 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12397 DisplayError(move, 0);
12402 case ImpossibleMove:
12403 if (appData.debugMode)
12404 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12405 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12406 (forwardMostMove / 2) + 1,
12407 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12408 DisplayError(move, 0);
12414 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12415 DrawPosition(FALSE, boards[currentMove]);
12416 DisplayBothClocks();
12417 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12418 DisplayComment(currentMove - 1, commentList[currentMove]);
12420 (void) StopLoadGameTimer();
12422 cmailOldMove = forwardMostMove;
12425 /* currentMoveString is set as a side-effect of yylex */
12427 thinkOutput[0] = NULLCHAR;
12428 MakeMove(fromX, fromY, toX, toY, promoChar);
12429 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12430 currentMove = forwardMostMove;
12435 /* Load the nth game from the given file */
12437 LoadGameFromFile (char *filename, int n, char *title, int useList)
12442 if (strcmp(filename, "-") == 0) {
12446 f = fopen(filename, "rb");
12448 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12449 DisplayError(buf, errno);
12453 if (fseek(f, 0, 0) == -1) {
12454 /* f is not seekable; probably a pipe */
12457 if (useList && n == 0) {
12458 int error = GameListBuild(f);
12460 DisplayError(_("Cannot build game list"), error);
12461 } else if (!ListEmpty(&gameList) &&
12462 ((ListGame *) gameList.tailPred)->number > 1) {
12463 GameListPopUp(f, title);
12470 return LoadGame(f, n, title, FALSE);
12475 MakeRegisteredMove ()
12477 int fromX, fromY, toX, toY;
12479 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12480 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12483 if (appData.debugMode)
12484 fprintf(debugFP, "Restoring %s for game %d\n",
12485 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12487 thinkOutput[0] = NULLCHAR;
12488 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12489 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12490 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12491 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12492 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12493 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12494 MakeMove(fromX, fromY, toX, toY, promoChar);
12495 ShowMove(fromX, fromY, toX, toY);
12497 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12504 if (WhiteOnMove(currentMove)) {
12505 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12507 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12512 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12519 if (WhiteOnMove(currentMove)) {
12520 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12522 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12527 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12538 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12540 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12544 if (gameNumber > nCmailGames) {
12545 DisplayError(_("No more games in this message"), 0);
12548 if (f == lastLoadGameFP) {
12549 int offset = gameNumber - lastLoadGameNumber;
12551 cmailMsg[0] = NULLCHAR;
12552 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12553 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12554 nCmailMovesRegistered--;
12556 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12557 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12558 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12561 if (! RegisterMove()) return FALSE;
12565 retVal = LoadGame(f, gameNumber, title, useList);
12567 /* Make move registered during previous look at this game, if any */
12568 MakeRegisteredMove();
12570 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12571 commentList[currentMove]
12572 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12573 DisplayComment(currentMove - 1, commentList[currentMove]);
12579 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12581 ReloadGame (int offset)
12583 int gameNumber = lastLoadGameNumber + offset;
12584 if (lastLoadGameFP == NULL) {
12585 DisplayError(_("No game has been loaded yet"), 0);
12588 if (gameNumber <= 0) {
12589 DisplayError(_("Can't back up any further"), 0);
12592 if (cmailMsgLoaded) {
12593 return CmailLoadGame(lastLoadGameFP, gameNumber,
12594 lastLoadGameTitle, lastLoadGameUseList);
12596 return LoadGame(lastLoadGameFP, gameNumber,
12597 lastLoadGameTitle, lastLoadGameUseList);
12601 int keys[EmptySquare+1];
12604 PositionMatches (Board b1, Board b2)
12607 switch(appData.searchMode) {
12608 case 1: return CompareWithRights(b1, b2);
12610 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12611 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12615 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12616 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12617 sum += keys[b1[r][f]] - keys[b2[r][f]];
12621 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12622 sum += keys[b1[r][f]] - keys[b2[r][f]];
12634 int pieceList[256], quickBoard[256];
12635 ChessSquare pieceType[256] = { EmptySquare };
12636 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12637 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12638 int soughtTotal, turn;
12639 Boolean epOK, flipSearch;
12642 unsigned char piece, to;
12645 #define DSIZE (250000)
12647 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12648 Move *moveDatabase = initialSpace;
12649 unsigned int movePtr, dataSize = DSIZE;
12652 MakePieceList (Board board, int *counts)
12654 int r, f, n=Q_PROMO, total=0;
12655 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12656 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12657 int sq = f + (r<<4);
12658 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12659 quickBoard[sq] = ++n;
12661 pieceType[n] = board[r][f];
12662 counts[board[r][f]]++;
12663 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12664 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12668 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12673 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12675 int sq = fromX + (fromY<<4);
12676 int piece = quickBoard[sq], rook;
12677 quickBoard[sq] = 0;
12678 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12679 if(piece == pieceList[1] && fromY == toY) {
12680 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12681 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12682 moveDatabase[movePtr++].piece = Q_WCASTL;
12683 quickBoard[sq] = piece;
12684 piece = quickBoard[from]; quickBoard[from] = 0;
12685 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12686 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12687 quickBoard[sq] = 0; // remove Rook
12688 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12689 moveDatabase[movePtr++].piece = Q_WCASTL;
12690 quickBoard[sq] = pieceList[1]; // put King
12692 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12695 if(piece == pieceList[2] && fromY == toY) {
12696 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12697 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12698 moveDatabase[movePtr++].piece = Q_BCASTL;
12699 quickBoard[sq] = piece;
12700 piece = quickBoard[from]; quickBoard[from] = 0;
12701 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12702 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12703 quickBoard[sq] = 0; // remove Rook
12704 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12705 moveDatabase[movePtr++].piece = Q_BCASTL;
12706 quickBoard[sq] = pieceList[2]; // put King
12708 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12711 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12712 quickBoard[(fromY<<4)+toX] = 0;
12713 moveDatabase[movePtr].piece = Q_EP;
12714 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12715 moveDatabase[movePtr].to = sq;
12717 if(promoPiece != pieceType[piece]) {
12718 moveDatabase[movePtr++].piece = Q_PROMO;
12719 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12721 moveDatabase[movePtr].piece = piece;
12722 quickBoard[sq] = piece;
12727 PackGame (Board board)
12729 Move *newSpace = NULL;
12730 moveDatabase[movePtr].piece = 0; // terminate previous game
12731 if(movePtr > dataSize) {
12732 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12733 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12734 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12737 Move *p = moveDatabase, *q = newSpace;
12738 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12739 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12740 moveDatabase = newSpace;
12741 } else { // calloc failed, we must be out of memory. Too bad...
12742 dataSize = 0; // prevent calloc events for all subsequent games
12743 return 0; // and signal this one isn't cached
12747 MakePieceList(board, counts);
12752 QuickCompare (Board board, int *minCounts, int *maxCounts)
12753 { // compare according to search mode
12755 switch(appData.searchMode)
12757 case 1: // exact position match
12758 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12759 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12760 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12763 case 2: // can have extra material on empty squares
12764 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12765 if(board[r][f] == EmptySquare) continue;
12766 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12769 case 3: // material with exact Pawn structure
12770 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12771 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12772 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12773 } // fall through to material comparison
12774 case 4: // exact material
12775 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12777 case 6: // material range with given imbalance
12778 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12779 // fall through to range comparison
12780 case 5: // material range
12781 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12787 QuickScan (Board board, Move *move)
12788 { // reconstruct game,and compare all positions in it
12789 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12791 int piece = move->piece;
12792 int to = move->to, from = pieceList[piece];
12793 if(found < 0) { // if already found just scan to game end for final piece count
12794 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12795 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12796 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12797 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12799 static int lastCounts[EmptySquare+1];
12801 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12802 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12803 } else stretch = 0;
12804 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12805 if(found >= 0 && !appData.minPieces) return found;
12807 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12808 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12809 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12810 piece = (++move)->piece;
12811 from = pieceList[piece];
12812 counts[pieceType[piece]]--;
12813 pieceType[piece] = (ChessSquare) move->to;
12814 counts[move->to]++;
12815 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12816 counts[pieceType[quickBoard[to]]]--;
12817 quickBoard[to] = 0; total--;
12820 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12821 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12822 from = pieceList[piece]; // so this must be King
12823 quickBoard[from] = 0;
12824 pieceList[piece] = to;
12825 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12826 quickBoard[from] = 0; // rook
12827 quickBoard[to] = piece;
12828 to = move->to; piece = move->piece;
12832 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12833 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12834 quickBoard[from] = 0;
12836 quickBoard[to] = piece;
12837 pieceList[piece] = to;
12847 flipSearch = FALSE;
12848 CopyBoard(soughtBoard, boards[currentMove]);
12849 soughtTotal = MakePieceList(soughtBoard, maxSought);
12850 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12851 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12852 CopyBoard(reverseBoard, boards[currentMove]);
12853 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12854 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12855 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12856 reverseBoard[r][f] = piece;
12858 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12859 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12860 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12861 || (boards[currentMove][CASTLING][2] == NoRights ||
12862 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12863 && (boards[currentMove][CASTLING][5] == NoRights ||
12864 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12867 CopyBoard(flipBoard, soughtBoard);
12868 CopyBoard(rotateBoard, reverseBoard);
12869 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12870 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12871 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12874 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12875 if(appData.searchMode >= 5) {
12876 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12877 MakePieceList(soughtBoard, minSought);
12878 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12880 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12881 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12884 GameInfo dummyInfo;
12885 static int creatingBook;
12888 GameContainsPosition (FILE *f, ListGame *lg)
12890 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12891 int fromX, fromY, toX, toY;
12893 static int initDone=FALSE;
12895 // weed out games based on numerical tag comparison
12896 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12897 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12898 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12899 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12901 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12904 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12905 else CopyBoard(boards[scratch], initialPosition); // default start position
12908 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12909 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12912 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12913 fseek(f, lg->offset, 0);
12916 yyboardindex = scratch;
12917 quickFlag = plyNr+1;
12922 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12928 if(plyNr) return -1; // after we have seen moves, this is for new game
12931 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12932 case ImpossibleMove:
12933 case WhiteWins: // game ends here with these four
12936 case GameUnfinished:
12940 if(appData.testLegality) return -1;
12941 case WhiteCapturesEnPassant:
12942 case BlackCapturesEnPassant:
12943 case WhitePromotion:
12944 case BlackPromotion:
12945 case WhiteNonPromotion:
12946 case BlackNonPromotion:
12949 case WhiteKingSideCastle:
12950 case WhiteQueenSideCastle:
12951 case BlackKingSideCastle:
12952 case BlackQueenSideCastle:
12953 case WhiteKingSideCastleWild:
12954 case WhiteQueenSideCastleWild:
12955 case BlackKingSideCastleWild:
12956 case BlackQueenSideCastleWild:
12957 case WhiteHSideCastleFR:
12958 case WhiteASideCastleFR:
12959 case BlackHSideCastleFR:
12960 case BlackASideCastleFR:
12961 fromX = currentMoveString[0] - AAA;
12962 fromY = currentMoveString[1] - ONE;
12963 toX = currentMoveString[2] - AAA;
12964 toY = currentMoveString[3] - ONE;
12965 promoChar = currentMoveString[4];
12969 fromX = next == WhiteDrop ?
12970 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12971 (int) CharToPiece(ToLower(currentMoveString[0]));
12973 toX = currentMoveString[2] - AAA;
12974 toY = currentMoveString[3] - ONE;
12978 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12980 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12981 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12982 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12983 if(appData.findMirror) {
12984 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12985 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12990 /* Load the nth game from open file f */
12992 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12996 int gn = gameNumber;
12997 ListGame *lg = NULL;
12998 int numPGNTags = 0, i;
13000 GameMode oldGameMode;
13001 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13002 char oldName[MSG_SIZ];
13004 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13006 if (appData.debugMode)
13007 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13009 if (gameMode == Training )
13010 SetTrainingModeOff();
13012 oldGameMode = gameMode;
13013 if (gameMode != BeginningOfGame) {
13014 Reset(FALSE, TRUE);
13016 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13019 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13020 fclose(lastLoadGameFP);
13024 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13027 fseek(f, lg->offset, 0);
13028 GameListHighlight(gameNumber);
13029 pos = lg->position;
13033 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13034 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13036 DisplayError(_("Game number out of range"), 0);
13041 if (fseek(f, 0, 0) == -1) {
13042 if (f == lastLoadGameFP ?
13043 gameNumber == lastLoadGameNumber + 1 :
13047 DisplayError(_("Can't seek on game file"), 0);
13052 lastLoadGameFP = f;
13053 lastLoadGameNumber = gameNumber;
13054 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13055 lastLoadGameUseList = useList;
13059 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13060 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13061 lg->gameInfo.black);
13063 } else if (*title != NULLCHAR) {
13064 if (gameNumber > 1) {
13065 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13068 DisplayTitle(title);
13072 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13073 gameMode = PlayFromGameFile;
13077 currentMove = forwardMostMove = backwardMostMove = 0;
13078 CopyBoard(boards[0], initialPosition);
13082 * Skip the first gn-1 games in the file.
13083 * Also skip over anything that precedes an identifiable
13084 * start of game marker, to avoid being confused by
13085 * garbage at the start of the file. Currently
13086 * recognized start of game markers are the move number "1",
13087 * the pattern "gnuchess .* game", the pattern
13088 * "^[#;%] [^ ]* game file", and a PGN tag block.
13089 * A game that starts with one of the latter two patterns
13090 * will also have a move number 1, possibly
13091 * following a position diagram.
13092 * 5-4-02: Let's try being more lenient and allowing a game to
13093 * start with an unnumbered move. Does that break anything?
13095 cm = lastLoadGameStart = EndOfFile;
13097 yyboardindex = forwardMostMove;
13098 cm = (ChessMove) Myylex();
13101 if (cmailMsgLoaded) {
13102 nCmailGames = CMAIL_MAX_GAMES - gn;
13105 DisplayError(_("Game not found in file"), 0);
13112 lastLoadGameStart = cm;
13115 case MoveNumberOne:
13116 switch (lastLoadGameStart) {
13121 case MoveNumberOne:
13123 gn--; /* count this game */
13124 lastLoadGameStart = cm;
13133 switch (lastLoadGameStart) {
13136 case MoveNumberOne:
13138 gn--; /* count this game */
13139 lastLoadGameStart = cm;
13142 lastLoadGameStart = cm; /* game counted already */
13150 yyboardindex = forwardMostMove;
13151 cm = (ChessMove) Myylex();
13152 } while (cm == PGNTag || cm == Comment);
13159 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13160 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13161 != CMAIL_OLD_RESULT) {
13163 cmailResult[ CMAIL_MAX_GAMES
13164 - gn - 1] = CMAIL_OLD_RESULT;
13171 /* Only a NormalMove can be at the start of a game
13172 * without a position diagram. */
13173 if (lastLoadGameStart == EndOfFile ) {
13175 lastLoadGameStart = MoveNumberOne;
13184 if (appData.debugMode)
13185 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13187 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13189 if (cm == XBoardGame) {
13190 /* Skip any header junk before position diagram and/or move 1 */
13192 yyboardindex = forwardMostMove;
13193 cm = (ChessMove) Myylex();
13195 if (cm == EndOfFile ||
13196 cm == GNUChessGame || cm == XBoardGame) {
13197 /* Empty game; pretend end-of-file and handle later */
13202 if (cm == MoveNumberOne || cm == PositionDiagram ||
13203 cm == PGNTag || cm == Comment)
13206 } else if (cm == GNUChessGame) {
13207 if (gameInfo.event != NULL) {
13208 free(gameInfo.event);
13210 gameInfo.event = StrSave(yy_text);
13213 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13214 while (cm == PGNTag) {
13215 if (appData.debugMode)
13216 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13217 err = ParsePGNTag(yy_text, &gameInfo);
13218 if (!err) numPGNTags++;
13220 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13221 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13222 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13223 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13224 InitPosition(TRUE);
13225 oldVariant = gameInfo.variant;
13226 if (appData.debugMode)
13227 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13231 if (gameInfo.fen != NULL) {
13232 Board initial_position;
13233 startedFromSetupPosition = TRUE;
13234 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13236 DisplayError(_("Bad FEN position in file"), 0);
13239 CopyBoard(boards[0], initial_position);
13240 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13241 CopyBoard(initialPosition, initial_position);
13242 if (blackPlaysFirst) {
13243 currentMove = forwardMostMove = backwardMostMove = 1;
13244 CopyBoard(boards[1], initial_position);
13245 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13246 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13247 timeRemaining[0][1] = whiteTimeRemaining;
13248 timeRemaining[1][1] = blackTimeRemaining;
13249 if (commentList[0] != NULL) {
13250 commentList[1] = commentList[0];
13251 commentList[0] = NULL;
13254 currentMove = forwardMostMove = backwardMostMove = 0;
13256 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13258 initialRulePlies = FENrulePlies;
13259 for( i=0; i< nrCastlingRights; i++ )
13260 initialRights[i] = initial_position[CASTLING][i];
13262 yyboardindex = forwardMostMove;
13263 free(gameInfo.fen);
13264 gameInfo.fen = NULL;
13267 yyboardindex = forwardMostMove;
13268 cm = (ChessMove) Myylex();
13270 /* Handle comments interspersed among the tags */
13271 while (cm == Comment) {
13273 if (appData.debugMode)
13274 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13276 AppendComment(currentMove, p, FALSE);
13277 yyboardindex = forwardMostMove;
13278 cm = (ChessMove) Myylex();
13282 /* don't rely on existence of Event tag since if game was
13283 * pasted from clipboard the Event tag may not exist
13285 if (numPGNTags > 0){
13287 if (gameInfo.variant == VariantNormal) {
13288 VariantClass v = StringToVariant(gameInfo.event);
13289 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13290 if(v < VariantShogi) gameInfo.variant = v;
13293 if( appData.autoDisplayTags ) {
13294 tags = PGNTags(&gameInfo);
13295 TagsPopUp(tags, CmailMsg());
13300 /* Make something up, but don't display it now */
13305 if (cm == PositionDiagram) {
13308 Board initial_position;
13310 if (appData.debugMode)
13311 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13313 if (!startedFromSetupPosition) {
13315 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13316 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13327 initial_position[i][j++] = CharToPiece(*p);
13330 while (*p == ' ' || *p == '\t' ||
13331 *p == '\n' || *p == '\r') p++;
13333 if (strncmp(p, "black", strlen("black"))==0)
13334 blackPlaysFirst = TRUE;
13336 blackPlaysFirst = FALSE;
13337 startedFromSetupPosition = TRUE;
13339 CopyBoard(boards[0], initial_position);
13340 if (blackPlaysFirst) {
13341 currentMove = forwardMostMove = backwardMostMove = 1;
13342 CopyBoard(boards[1], initial_position);
13343 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13344 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13345 timeRemaining[0][1] = whiteTimeRemaining;
13346 timeRemaining[1][1] = blackTimeRemaining;
13347 if (commentList[0] != NULL) {
13348 commentList[1] = commentList[0];
13349 commentList[0] = NULL;
13352 currentMove = forwardMostMove = backwardMostMove = 0;
13355 yyboardindex = forwardMostMove;
13356 cm = (ChessMove) Myylex();
13359 if(!creatingBook) {
13360 if (first.pr == NoProc) {
13361 StartChessProgram(&first);
13363 InitChessProgram(&first, FALSE);
13364 if(gameInfo.variant == VariantUnknown && *oldName) {
13365 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13366 gameInfo.variant = v;
13368 SendToProgram("force\n", &first);
13369 if (startedFromSetupPosition) {
13370 SendBoard(&first, forwardMostMove);
13371 if (appData.debugMode) {
13372 fprintf(debugFP, "Load Game\n");
13374 DisplayBothClocks();
13378 /* [HGM] server: flag to write setup moves in broadcast file as one */
13379 loadFlag = appData.suppressLoadMoves;
13381 while (cm == Comment) {
13383 if (appData.debugMode)
13384 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13386 AppendComment(currentMove, p, FALSE);
13387 yyboardindex = forwardMostMove;
13388 cm = (ChessMove) Myylex();
13391 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13392 cm == WhiteWins || cm == BlackWins ||
13393 cm == GameIsDrawn || cm == GameUnfinished) {
13394 DisplayMessage("", _("No moves in game"));
13395 if (cmailMsgLoaded) {
13396 if (appData.debugMode)
13397 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13401 DrawPosition(FALSE, boards[currentMove]);
13402 DisplayBothClocks();
13403 gameMode = EditGame;
13410 // [HGM] PV info: routine tests if comment empty
13411 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13412 DisplayComment(currentMove - 1, commentList[currentMove]);
13414 if (!matchMode && appData.timeDelay != 0)
13415 DrawPosition(FALSE, boards[currentMove]);
13417 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13418 programStats.ok_to_send = 1;
13421 /* if the first token after the PGN tags is a move
13422 * and not move number 1, retrieve it from the parser
13424 if (cm != MoveNumberOne)
13425 LoadGameOneMove(cm);
13427 /* load the remaining moves from the file */
13428 while (LoadGameOneMove(EndOfFile)) {
13429 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13430 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13433 /* rewind to the start of the game */
13434 currentMove = backwardMostMove;
13436 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13438 if (oldGameMode == AnalyzeFile) {
13439 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13440 AnalyzeFileEvent();
13442 if (oldGameMode == AnalyzeMode) {
13443 AnalyzeFileEvent();
13446 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13447 long int w, b; // [HGM] adjourn: restore saved clock times
13448 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13449 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13450 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13451 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13455 if(creatingBook) return TRUE;
13456 if (!matchMode && pos > 0) {
13457 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13459 if (matchMode || appData.timeDelay == 0) {
13461 } else if (appData.timeDelay > 0) {
13462 AutoPlayGameLoop();
13465 if (appData.debugMode)
13466 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13468 loadFlag = 0; /* [HGM] true game starts */
13472 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13474 ReloadPosition (int offset)
13476 int positionNumber = lastLoadPositionNumber + offset;
13477 if (lastLoadPositionFP == NULL) {
13478 DisplayError(_("No position has been loaded yet"), 0);
13481 if (positionNumber <= 0) {
13482 DisplayError(_("Can't back up any further"), 0);
13485 return LoadPosition(lastLoadPositionFP, positionNumber,
13486 lastLoadPositionTitle);
13489 /* Load the nth position from the given file */
13491 LoadPositionFromFile (char *filename, int n, char *title)
13496 if (strcmp(filename, "-") == 0) {
13497 return LoadPosition(stdin, n, "stdin");
13499 f = fopen(filename, "rb");
13501 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13502 DisplayError(buf, errno);
13505 return LoadPosition(f, n, title);
13510 /* Load the nth position from the given open file, and close it */
13512 LoadPosition (FILE *f, int positionNumber, char *title)
13514 char *p, line[MSG_SIZ];
13515 Board initial_position;
13516 int i, j, fenMode, pn;
13518 if (gameMode == Training )
13519 SetTrainingModeOff();
13521 if (gameMode != BeginningOfGame) {
13522 Reset(FALSE, TRUE);
13524 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13525 fclose(lastLoadPositionFP);
13527 if (positionNumber == 0) positionNumber = 1;
13528 lastLoadPositionFP = f;
13529 lastLoadPositionNumber = positionNumber;
13530 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13531 if (first.pr == NoProc && !appData.noChessProgram) {
13532 StartChessProgram(&first);
13533 InitChessProgram(&first, FALSE);
13535 pn = positionNumber;
13536 if (positionNumber < 0) {
13537 /* Negative position number means to seek to that byte offset */
13538 if (fseek(f, -positionNumber, 0) == -1) {
13539 DisplayError(_("Can't seek on position file"), 0);
13544 if (fseek(f, 0, 0) == -1) {
13545 if (f == lastLoadPositionFP ?
13546 positionNumber == lastLoadPositionNumber + 1 :
13547 positionNumber == 1) {
13550 DisplayError(_("Can't seek on position file"), 0);
13555 /* See if this file is FEN or old-style xboard */
13556 if (fgets(line, MSG_SIZ, f) == NULL) {
13557 DisplayError(_("Position not found in file"), 0);
13560 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13561 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13564 if (fenMode || line[0] == '#') pn--;
13566 /* skip positions before number pn */
13567 if (fgets(line, MSG_SIZ, f) == NULL) {
13569 DisplayError(_("Position not found in file"), 0);
13572 if (fenMode || line[0] == '#') pn--;
13578 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13579 DisplayError(_("Bad FEN position in file"), 0);
13582 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13583 sscanf(p+4, "%[^;]", bestMove);
13584 } else *bestMove = NULLCHAR;
13585 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13586 sscanf(p+4, "%[^;]", avoidMove);
13587 } else *avoidMove = NULLCHAR;
13589 (void) fgets(line, MSG_SIZ, f);
13590 (void) fgets(line, MSG_SIZ, f);
13592 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13593 (void) fgets(line, MSG_SIZ, f);
13594 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13597 initial_position[i][j++] = CharToPiece(*p);
13601 blackPlaysFirst = FALSE;
13603 (void) fgets(line, MSG_SIZ, f);
13604 if (strncmp(line, "black", strlen("black"))==0)
13605 blackPlaysFirst = TRUE;
13608 startedFromSetupPosition = TRUE;
13610 CopyBoard(boards[0], initial_position);
13611 if (blackPlaysFirst) {
13612 currentMove = forwardMostMove = backwardMostMove = 1;
13613 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13614 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13615 CopyBoard(boards[1], initial_position);
13616 DisplayMessage("", _("Black to play"));
13618 currentMove = forwardMostMove = backwardMostMove = 0;
13619 DisplayMessage("", _("White to play"));
13621 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13622 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13623 SendToProgram("force\n", &first);
13624 SendBoard(&first, forwardMostMove);
13626 if (appData.debugMode) {
13628 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13629 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13630 fprintf(debugFP, "Load Position\n");
13633 if (positionNumber > 1) {
13634 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13635 DisplayTitle(line);
13637 DisplayTitle(title);
13639 gameMode = EditGame;
13642 timeRemaining[0][1] = whiteTimeRemaining;
13643 timeRemaining[1][1] = blackTimeRemaining;
13644 DrawPosition(FALSE, boards[currentMove]);
13651 CopyPlayerNameIntoFileName (char **dest, char *src)
13653 while (*src != NULLCHAR && *src != ',') {
13658 *(*dest)++ = *src++;
13664 DefaultFileName (char *ext)
13666 static char def[MSG_SIZ];
13669 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13671 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13673 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13675 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13682 /* Save the current game to the given file */
13684 SaveGameToFile (char *filename, int append)
13688 int result, i, t,tot=0;
13690 if (strcmp(filename, "-") == 0) {
13691 return SaveGame(stdout, 0, NULL);
13693 for(i=0; i<10; i++) { // upto 10 tries
13694 f = fopen(filename, append ? "a" : "w");
13695 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13696 if(f || errno != 13) break;
13697 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13701 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13702 DisplayError(buf, errno);
13705 safeStrCpy(buf, lastMsg, MSG_SIZ);
13706 DisplayMessage(_("Waiting for access to save file"), "");
13707 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13708 DisplayMessage(_("Saving game"), "");
13709 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13710 result = SaveGame(f, 0, NULL);
13711 DisplayMessage(buf, "");
13718 SavePart (char *str)
13720 static char buf[MSG_SIZ];
13723 p = strchr(str, ' ');
13724 if (p == NULL) return str;
13725 strncpy(buf, str, p - str);
13726 buf[p - str] = NULLCHAR;
13730 #define PGN_MAX_LINE 75
13732 #define PGN_SIDE_WHITE 0
13733 #define PGN_SIDE_BLACK 1
13736 FindFirstMoveOutOfBook (int side)
13740 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13741 int index = backwardMostMove;
13742 int has_book_hit = 0;
13744 if( (index % 2) != side ) {
13748 while( index < forwardMostMove ) {
13749 /* Check to see if engine is in book */
13750 int depth = pvInfoList[index].depth;
13751 int score = pvInfoList[index].score;
13757 else if( score == 0 && depth == 63 ) {
13758 in_book = 1; /* Zappa */
13760 else if( score == 2 && depth == 99 ) {
13761 in_book = 1; /* Abrok */
13764 has_book_hit += in_book;
13780 GetOutOfBookInfo (char * buf)
13784 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13786 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13787 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13791 if( oob[0] >= 0 || oob[1] >= 0 ) {
13792 for( i=0; i<2; i++ ) {
13796 if( i > 0 && oob[0] >= 0 ) {
13797 strcat( buf, " " );
13800 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13801 sprintf( buf+strlen(buf), "%s%.2f",
13802 pvInfoList[idx].score >= 0 ? "+" : "",
13803 pvInfoList[idx].score / 100.0 );
13809 /* Save game in PGN style */
13811 SaveGamePGN2 (FILE *f)
13813 int i, offset, linelen, newblock;
13816 int movelen, numlen, blank;
13817 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13819 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13821 PrintPGNTags(f, &gameInfo);
13823 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13825 if (backwardMostMove > 0 || startedFromSetupPosition) {
13826 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13827 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13828 fprintf(f, "\n{--------------\n");
13829 PrintPosition(f, backwardMostMove);
13830 fprintf(f, "--------------}\n");
13834 /* [AS] Out of book annotation */
13835 if( appData.saveOutOfBookInfo ) {
13838 GetOutOfBookInfo( buf );
13840 if( buf[0] != '\0' ) {
13841 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13848 i = backwardMostMove;
13852 while (i < forwardMostMove) {
13853 /* Print comments preceding this move */
13854 if (commentList[i] != NULL) {
13855 if (linelen > 0) fprintf(f, "\n");
13856 fprintf(f, "%s", commentList[i]);
13861 /* Format move number */
13863 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13866 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13868 numtext[0] = NULLCHAR;
13870 numlen = strlen(numtext);
13873 /* Print move number */
13874 blank = linelen > 0 && numlen > 0;
13875 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13884 fprintf(f, "%s", numtext);
13888 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13889 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13892 blank = linelen > 0 && movelen > 0;
13893 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13902 fprintf(f, "%s", move_buffer);
13903 linelen += movelen;
13905 /* [AS] Add PV info if present */
13906 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13907 /* [HGM] add time */
13908 char buf[MSG_SIZ]; int seconds;
13910 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13916 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13919 seconds = (seconds + 4)/10; // round to full seconds
13921 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13923 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13926 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13927 pvInfoList[i].score >= 0 ? "+" : "",
13928 pvInfoList[i].score / 100.0,
13929 pvInfoList[i].depth,
13932 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13934 /* Print score/depth */
13935 blank = linelen > 0 && movelen > 0;
13936 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13945 fprintf(f, "%s", move_buffer);
13946 linelen += movelen;
13952 /* Start a new line */
13953 if (linelen > 0) fprintf(f, "\n");
13955 /* Print comments after last move */
13956 if (commentList[i] != NULL) {
13957 fprintf(f, "%s\n", commentList[i]);
13961 if (gameInfo.resultDetails != NULL &&
13962 gameInfo.resultDetails[0] != NULLCHAR) {
13963 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13964 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13965 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13966 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13967 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13969 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13973 /* Save game in PGN style and close the file */
13975 SaveGamePGN (FILE *f)
13979 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13983 /* Save game in old style and close the file */
13985 SaveGameOldStyle (FILE *f)
13990 tm = time((time_t *) NULL);
13992 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13995 if (backwardMostMove > 0 || startedFromSetupPosition) {
13996 fprintf(f, "\n[--------------\n");
13997 PrintPosition(f, backwardMostMove);
13998 fprintf(f, "--------------]\n");
14003 i = backwardMostMove;
14004 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14006 while (i < forwardMostMove) {
14007 if (commentList[i] != NULL) {
14008 fprintf(f, "[%s]\n", commentList[i]);
14011 if ((i % 2) == 1) {
14012 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14015 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14017 if (commentList[i] != NULL) {
14021 if (i >= forwardMostMove) {
14025 fprintf(f, "%s\n", parseList[i]);
14030 if (commentList[i] != NULL) {
14031 fprintf(f, "[%s]\n", commentList[i]);
14034 /* This isn't really the old style, but it's close enough */
14035 if (gameInfo.resultDetails != NULL &&
14036 gameInfo.resultDetails[0] != NULLCHAR) {
14037 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14038 gameInfo.resultDetails);
14040 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14047 /* Save the current game to open file f and close the file */
14049 SaveGame (FILE *f, int dummy, char *dummy2)
14051 if (gameMode == EditPosition) EditPositionDone(TRUE);
14052 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14053 if (appData.oldSaveStyle)
14054 return SaveGameOldStyle(f);
14056 return SaveGamePGN(f);
14059 /* Save the current position to the given file */
14061 SavePositionToFile (char *filename)
14066 if (strcmp(filename, "-") == 0) {
14067 return SavePosition(stdout, 0, NULL);
14069 f = fopen(filename, "a");
14071 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14072 DisplayError(buf, errno);
14075 safeStrCpy(buf, lastMsg, MSG_SIZ);
14076 DisplayMessage(_("Waiting for access to save file"), "");
14077 flock(fileno(f), LOCK_EX); // [HGM] lock
14078 DisplayMessage(_("Saving position"), "");
14079 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14080 SavePosition(f, 0, NULL);
14081 DisplayMessage(buf, "");
14087 /* Save the current position to the given open file and close the file */
14089 SavePosition (FILE *f, int dummy, char *dummy2)
14094 if (gameMode == EditPosition) EditPositionDone(TRUE);
14095 if (appData.oldSaveStyle) {
14096 tm = time((time_t *) NULL);
14098 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14100 fprintf(f, "[--------------\n");
14101 PrintPosition(f, currentMove);
14102 fprintf(f, "--------------]\n");
14104 fen = PositionToFEN(currentMove, NULL, 1);
14105 fprintf(f, "%s\n", fen);
14113 ReloadCmailMsgEvent (int unregister)
14116 static char *inFilename = NULL;
14117 static char *outFilename;
14119 struct stat inbuf, outbuf;
14122 /* Any registered moves are unregistered if unregister is set, */
14123 /* i.e. invoked by the signal handler */
14125 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14126 cmailMoveRegistered[i] = FALSE;
14127 if (cmailCommentList[i] != NULL) {
14128 free(cmailCommentList[i]);
14129 cmailCommentList[i] = NULL;
14132 nCmailMovesRegistered = 0;
14135 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14136 cmailResult[i] = CMAIL_NOT_RESULT;
14140 if (inFilename == NULL) {
14141 /* Because the filenames are static they only get malloced once */
14142 /* and they never get freed */
14143 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14144 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14146 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14147 sprintf(outFilename, "%s.out", appData.cmailGameName);
14150 status = stat(outFilename, &outbuf);
14152 cmailMailedMove = FALSE;
14154 status = stat(inFilename, &inbuf);
14155 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14158 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14159 counts the games, notes how each one terminated, etc.
14161 It would be nice to remove this kludge and instead gather all
14162 the information while building the game list. (And to keep it
14163 in the game list nodes instead of having a bunch of fixed-size
14164 parallel arrays.) Note this will require getting each game's
14165 termination from the PGN tags, as the game list builder does
14166 not process the game moves. --mann
14168 cmailMsgLoaded = TRUE;
14169 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14171 /* Load first game in the file or popup game menu */
14172 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14174 #endif /* !WIN32 */
14182 char string[MSG_SIZ];
14184 if ( cmailMailedMove
14185 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14186 return TRUE; /* Allow free viewing */
14189 /* Unregister move to ensure that we don't leave RegisterMove */
14190 /* with the move registered when the conditions for registering no */
14192 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14193 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14194 nCmailMovesRegistered --;
14196 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14198 free(cmailCommentList[lastLoadGameNumber - 1]);
14199 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14203 if (cmailOldMove == -1) {
14204 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14208 if (currentMove > cmailOldMove + 1) {
14209 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14213 if (currentMove < cmailOldMove) {
14214 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14218 if (forwardMostMove > currentMove) {
14219 /* Silently truncate extra moves */
14223 if ( (currentMove == cmailOldMove + 1)
14224 || ( (currentMove == cmailOldMove)
14225 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14226 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14227 if (gameInfo.result != GameUnfinished) {
14228 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14231 if (commentList[currentMove] != NULL) {
14232 cmailCommentList[lastLoadGameNumber - 1]
14233 = StrSave(commentList[currentMove]);
14235 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14237 if (appData.debugMode)
14238 fprintf(debugFP, "Saving %s for game %d\n",
14239 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14241 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14243 f = fopen(string, "w");
14244 if (appData.oldSaveStyle) {
14245 SaveGameOldStyle(f); /* also closes the file */
14247 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14248 f = fopen(string, "w");
14249 SavePosition(f, 0, NULL); /* also closes the file */
14251 fprintf(f, "{--------------\n");
14252 PrintPosition(f, currentMove);
14253 fprintf(f, "--------------}\n\n");
14255 SaveGame(f, 0, NULL); /* also closes the file*/
14258 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14259 nCmailMovesRegistered ++;
14260 } else if (nCmailGames == 1) {
14261 DisplayError(_("You have not made a move yet"), 0);
14272 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14273 FILE *commandOutput;
14274 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14275 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14281 if (! cmailMsgLoaded) {
14282 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14286 if (nCmailGames == nCmailResults) {
14287 DisplayError(_("No unfinished games"), 0);
14291 #if CMAIL_PROHIBIT_REMAIL
14292 if (cmailMailedMove) {
14293 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);
14294 DisplayError(msg, 0);
14299 if (! (cmailMailedMove || RegisterMove())) return;
14301 if ( cmailMailedMove
14302 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14303 snprintf(string, MSG_SIZ, partCommandString,
14304 appData.debugMode ? " -v" : "", appData.cmailGameName);
14305 commandOutput = popen(string, "r");
14307 if (commandOutput == NULL) {
14308 DisplayError(_("Failed to invoke cmail"), 0);
14310 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14311 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14313 if (nBuffers > 1) {
14314 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14315 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14316 nBytes = MSG_SIZ - 1;
14318 (void) memcpy(msg, buffer, nBytes);
14320 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14322 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14323 cmailMailedMove = TRUE; /* Prevent >1 moves */
14326 for (i = 0; i < nCmailGames; i ++) {
14327 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14332 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14334 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14336 appData.cmailGameName,
14338 LoadGameFromFile(buffer, 1, buffer, FALSE);
14339 cmailMsgLoaded = FALSE;
14343 DisplayInformation(msg);
14344 pclose(commandOutput);
14347 if ((*cmailMsg) != '\0') {
14348 DisplayInformation(cmailMsg);
14353 #endif /* !WIN32 */
14362 int prependComma = 0;
14364 char string[MSG_SIZ]; /* Space for game-list */
14367 if (!cmailMsgLoaded) return "";
14369 if (cmailMailedMove) {
14370 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14372 /* Create a list of games left */
14373 snprintf(string, MSG_SIZ, "[");
14374 for (i = 0; i < nCmailGames; i ++) {
14375 if (! ( cmailMoveRegistered[i]
14376 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14377 if (prependComma) {
14378 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14380 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14384 strcat(string, number);
14387 strcat(string, "]");
14389 if (nCmailMovesRegistered + nCmailResults == 0) {
14390 switch (nCmailGames) {
14392 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14396 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14400 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14405 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14407 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14412 if (nCmailResults == nCmailGames) {
14413 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14415 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14420 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14432 if (gameMode == Training)
14433 SetTrainingModeOff();
14436 cmailMsgLoaded = FALSE;
14437 if (appData.icsActive) {
14438 SendToICS(ics_prefix);
14439 SendToICS("refresh\n");
14444 ExitEvent (int status)
14448 /* Give up on clean exit */
14452 /* Keep trying for clean exit */
14456 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14457 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14459 if (telnetISR != NULL) {
14460 RemoveInputSource(telnetISR);
14462 if (icsPR != NoProc) {
14463 DestroyChildProcess(icsPR, TRUE);
14466 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14467 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14469 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14470 /* make sure this other one finishes before killing it! */
14471 if(endingGame) { int count = 0;
14472 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14473 while(endingGame && count++ < 10) DoSleep(1);
14474 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14477 /* Kill off chess programs */
14478 if (first.pr != NoProc) {
14481 DoSleep( appData.delayBeforeQuit );
14482 SendToProgram("quit\n", &first);
14483 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14485 if (second.pr != NoProc) {
14486 DoSleep( appData.delayBeforeQuit );
14487 SendToProgram("quit\n", &second);
14488 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14490 if (first.isr != NULL) {
14491 RemoveInputSource(first.isr);
14493 if (second.isr != NULL) {
14494 RemoveInputSource(second.isr);
14497 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14498 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14500 ShutDownFrontEnd();
14505 PauseEngine (ChessProgramState *cps)
14507 SendToProgram("pause\n", cps);
14512 UnPauseEngine (ChessProgramState *cps)
14514 SendToProgram("resume\n", cps);
14521 if (appData.debugMode)
14522 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14526 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14528 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14529 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14530 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14532 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14533 HandleMachineMove(stashedInputMove, stalledEngine);
14534 stalledEngine = NULL;
14537 if (gameMode == MachinePlaysWhite ||
14538 gameMode == TwoMachinesPlay ||
14539 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14540 if(first.pause) UnPauseEngine(&first);
14541 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14542 if(second.pause) UnPauseEngine(&second);
14543 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14546 DisplayBothClocks();
14548 if (gameMode == PlayFromGameFile) {
14549 if (appData.timeDelay >= 0)
14550 AutoPlayGameLoop();
14551 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14552 Reset(FALSE, TRUE);
14553 SendToICS(ics_prefix);
14554 SendToICS("refresh\n");
14555 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14556 ForwardInner(forwardMostMove);
14558 pauseExamInvalid = FALSE;
14560 switch (gameMode) {
14564 pauseExamForwardMostMove = forwardMostMove;
14565 pauseExamInvalid = FALSE;
14568 case IcsPlayingWhite:
14569 case IcsPlayingBlack:
14573 case PlayFromGameFile:
14574 (void) StopLoadGameTimer();
14578 case BeginningOfGame:
14579 if (appData.icsActive) return;
14580 /* else fall through */
14581 case MachinePlaysWhite:
14582 case MachinePlaysBlack:
14583 case TwoMachinesPlay:
14584 if (forwardMostMove == 0)
14585 return; /* don't pause if no one has moved */
14586 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14587 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14588 if(onMove->pause) { // thinking engine can be paused
14589 PauseEngine(onMove); // do it
14590 if(onMove->other->pause) // pondering opponent can always be paused immediately
14591 PauseEngine(onMove->other);
14593 SendToProgram("easy\n", onMove->other);
14595 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14596 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14598 PauseEngine(&first);
14600 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14601 } else { // human on move, pause pondering by either method
14603 PauseEngine(&first);
14604 else if(appData.ponderNextMove)
14605 SendToProgram("easy\n", &first);
14608 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14618 EditCommentEvent ()
14620 char title[MSG_SIZ];
14622 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14623 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14625 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14626 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14627 parseList[currentMove - 1]);
14630 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14637 char *tags = PGNTags(&gameInfo);
14639 EditTagsPopUp(tags, NULL);
14646 if(second.analyzing) {
14647 SendToProgram("exit\n", &second);
14648 second.analyzing = FALSE;
14650 if (second.pr == NoProc) StartChessProgram(&second);
14651 InitChessProgram(&second, FALSE);
14652 FeedMovesToProgram(&second, currentMove);
14654 SendToProgram("analyze\n", &second);
14655 second.analyzing = TRUE;
14659 /* Toggle ShowThinking */
14661 ToggleShowThinking()
14663 appData.showThinking = !appData.showThinking;
14664 ShowThinkingEvent();
14668 AnalyzeModeEvent ()
14672 if (!first.analysisSupport) {
14673 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14674 DisplayError(buf, 0);
14677 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14678 if (appData.icsActive) {
14679 if (gameMode != IcsObserving) {
14680 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14681 DisplayError(buf, 0);
14683 if (appData.icsEngineAnalyze) {
14684 if (appData.debugMode)
14685 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14691 /* if enable, user wants to disable icsEngineAnalyze */
14692 if (appData.icsEngineAnalyze) {
14697 appData.icsEngineAnalyze = TRUE;
14698 if (appData.debugMode)
14699 fprintf(debugFP, "ICS engine analyze starting... \n");
14702 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14703 if (appData.noChessProgram || gameMode == AnalyzeMode)
14706 if (gameMode != AnalyzeFile) {
14707 if (!appData.icsEngineAnalyze) {
14709 if (gameMode != EditGame) return 0;
14711 if (!appData.showThinking) ToggleShowThinking();
14712 ResurrectChessProgram();
14713 SendToProgram("analyze\n", &first);
14714 first.analyzing = TRUE;
14715 /*first.maybeThinking = TRUE;*/
14716 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14717 EngineOutputPopUp();
14719 if (!appData.icsEngineAnalyze) {
14720 gameMode = AnalyzeMode;
14721 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14727 StartAnalysisClock();
14728 GetTimeMark(&lastNodeCountTime);
14734 AnalyzeFileEvent ()
14736 if (appData.noChessProgram || gameMode == AnalyzeFile)
14739 if (!first.analysisSupport) {
14741 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14742 DisplayError(buf, 0);
14746 if (gameMode != AnalyzeMode) {
14747 keepInfo = 1; // mere annotating should not alter PGN tags
14750 if (gameMode != EditGame) return;
14751 if (!appData.showThinking) ToggleShowThinking();
14752 ResurrectChessProgram();
14753 SendToProgram("analyze\n", &first);
14754 first.analyzing = TRUE;
14755 /*first.maybeThinking = TRUE;*/
14756 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14757 EngineOutputPopUp();
14759 gameMode = AnalyzeFile;
14763 StartAnalysisClock();
14764 GetTimeMark(&lastNodeCountTime);
14766 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14767 AnalysisPeriodicEvent(1);
14771 MachineWhiteEvent ()
14774 char *bookHit = NULL;
14776 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14780 if (gameMode == PlayFromGameFile ||
14781 gameMode == TwoMachinesPlay ||
14782 gameMode == Training ||
14783 gameMode == AnalyzeMode ||
14784 gameMode == EndOfGame)
14787 if (gameMode == EditPosition)
14788 EditPositionDone(TRUE);
14790 if (!WhiteOnMove(currentMove)) {
14791 DisplayError(_("It is not White's turn"), 0);
14795 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14798 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14799 gameMode == AnalyzeFile)
14802 ResurrectChessProgram(); /* in case it isn't running */
14803 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14804 gameMode = MachinePlaysWhite;
14807 gameMode = MachinePlaysWhite;
14811 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14813 if (first.sendName) {
14814 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14815 SendToProgram(buf, &first);
14817 if (first.sendTime) {
14818 if (first.useColors) {
14819 SendToProgram("black\n", &first); /*gnu kludge*/
14821 SendTimeRemaining(&first, TRUE);
14823 if (first.useColors) {
14824 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14826 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14827 SetMachineThinkingEnables();
14828 first.maybeThinking = TRUE;
14832 if (appData.autoFlipView && !flipView) {
14833 flipView = !flipView;
14834 DrawPosition(FALSE, NULL);
14835 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14838 if(bookHit) { // [HGM] book: simulate book reply
14839 static char bookMove[MSG_SIZ]; // a bit generous?
14841 programStats.nodes = programStats.depth = programStats.time =
14842 programStats.score = programStats.got_only_move = 0;
14843 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14845 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14846 strcat(bookMove, bookHit);
14847 HandleMachineMove(bookMove, &first);
14852 MachineBlackEvent ()
14855 char *bookHit = NULL;
14857 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14861 if (gameMode == PlayFromGameFile ||
14862 gameMode == TwoMachinesPlay ||
14863 gameMode == Training ||
14864 gameMode == AnalyzeMode ||
14865 gameMode == EndOfGame)
14868 if (gameMode == EditPosition)
14869 EditPositionDone(TRUE);
14871 if (WhiteOnMove(currentMove)) {
14872 DisplayError(_("It is not Black's turn"), 0);
14876 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14879 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14880 gameMode == AnalyzeFile)
14883 ResurrectChessProgram(); /* in case it isn't running */
14884 gameMode = MachinePlaysBlack;
14888 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14890 if (first.sendName) {
14891 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14892 SendToProgram(buf, &first);
14894 if (first.sendTime) {
14895 if (first.useColors) {
14896 SendToProgram("white\n", &first); /*gnu kludge*/
14898 SendTimeRemaining(&first, FALSE);
14900 if (first.useColors) {
14901 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14903 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14904 SetMachineThinkingEnables();
14905 first.maybeThinking = TRUE;
14908 if (appData.autoFlipView && flipView) {
14909 flipView = !flipView;
14910 DrawPosition(FALSE, NULL);
14911 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14913 if(bookHit) { // [HGM] book: simulate book reply
14914 static char bookMove[MSG_SIZ]; // a bit generous?
14916 programStats.nodes = programStats.depth = programStats.time =
14917 programStats.score = programStats.got_only_move = 0;
14918 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14920 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14921 strcat(bookMove, bookHit);
14922 HandleMachineMove(bookMove, &first);
14928 DisplayTwoMachinesTitle ()
14931 if (appData.matchGames > 0) {
14932 if(appData.tourneyFile[0]) {
14933 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14934 gameInfo.white, _("vs."), gameInfo.black,
14935 nextGame+1, appData.matchGames+1,
14936 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14938 if (first.twoMachinesColor[0] == 'w') {
14939 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14940 gameInfo.white, _("vs."), gameInfo.black,
14941 first.matchWins, second.matchWins,
14942 matchGame - 1 - (first.matchWins + second.matchWins));
14944 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14945 gameInfo.white, _("vs."), gameInfo.black,
14946 second.matchWins, first.matchWins,
14947 matchGame - 1 - (first.matchWins + second.matchWins));
14950 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14956 SettingsMenuIfReady ()
14958 if (second.lastPing != second.lastPong) {
14959 DisplayMessage("", _("Waiting for second chess program"));
14960 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14964 DisplayMessage("", "");
14965 SettingsPopUp(&second);
14969 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14972 if (cps->pr == NoProc) {
14973 StartChessProgram(cps);
14974 if (cps->protocolVersion == 1) {
14976 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14978 /* kludge: allow timeout for initial "feature" command */
14979 if(retry != TwoMachinesEventIfReady) FreezeUI();
14980 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14981 DisplayMessage("", buf);
14982 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14990 TwoMachinesEvent P((void))
14994 ChessProgramState *onmove;
14995 char *bookHit = NULL;
14996 static int stalling = 0;
15000 if (appData.noChessProgram) return;
15002 switch (gameMode) {
15003 case TwoMachinesPlay:
15005 case MachinePlaysWhite:
15006 case MachinePlaysBlack:
15007 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15008 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15012 case BeginningOfGame:
15013 case PlayFromGameFile:
15016 if (gameMode != EditGame) return;
15019 EditPositionDone(TRUE);
15030 // forwardMostMove = currentMove;
15031 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15032 startingEngine = TRUE;
15034 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15036 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15037 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15038 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15042 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15044 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15045 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15046 startingEngine = matchMode = FALSE;
15047 DisplayError("second engine does not play this", 0);
15048 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15049 EditGameEvent(); // switch back to EditGame mode
15054 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15055 SendToProgram("force\n", &second);
15057 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15061 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15062 if(appData.matchPause>10000 || appData.matchPause<10)
15063 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15064 wait = SubtractTimeMarks(&now, &pauseStart);
15065 if(wait < appData.matchPause) {
15066 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15069 // we are now committed to starting the game
15071 DisplayMessage("", "");
15073 if (startedFromSetupPosition) {
15074 SendBoard(&second, backwardMostMove);
15075 if (appData.debugMode) {
15076 fprintf(debugFP, "Two Machines\n");
15079 for (i = backwardMostMove; i < forwardMostMove; i++) {
15080 SendMoveToProgram(i, &second);
15084 gameMode = TwoMachinesPlay;
15085 pausing = startingEngine = FALSE;
15086 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15088 DisplayTwoMachinesTitle();
15090 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15095 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15096 SendToProgram(first.computerString, &first);
15097 if (first.sendName) {
15098 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15099 SendToProgram(buf, &first);
15102 SendToProgram(second.computerString, &second);
15103 if (second.sendName) {
15104 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15105 SendToProgram(buf, &second);
15110 if (!first.sendTime || !second.sendTime) {
15111 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15112 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15114 if (onmove->sendTime) {
15115 if (onmove->useColors) {
15116 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15118 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15120 if (onmove->useColors) {
15121 SendToProgram(onmove->twoMachinesColor, onmove);
15123 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15124 // SendToProgram("go\n", onmove);
15125 onmove->maybeThinking = TRUE;
15126 SetMachineThinkingEnables();
15130 if(bookHit) { // [HGM] book: simulate book reply
15131 static char bookMove[MSG_SIZ]; // a bit generous?
15133 programStats.nodes = programStats.depth = programStats.time =
15134 programStats.score = programStats.got_only_move = 0;
15135 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15137 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15138 strcat(bookMove, bookHit);
15139 savedMessage = bookMove; // args for deferred call
15140 savedState = onmove;
15141 ScheduleDelayedEvent(DeferredBookMove, 1);
15148 if (gameMode == Training) {
15149 SetTrainingModeOff();
15150 gameMode = PlayFromGameFile;
15151 DisplayMessage("", _("Training mode off"));
15153 gameMode = Training;
15154 animateTraining = appData.animate;
15156 /* make sure we are not already at the end of the game */
15157 if (currentMove < forwardMostMove) {
15158 SetTrainingModeOn();
15159 DisplayMessage("", _("Training mode on"));
15161 gameMode = PlayFromGameFile;
15162 DisplayError(_("Already at end of game"), 0);
15171 if (!appData.icsActive) return;
15172 switch (gameMode) {
15173 case IcsPlayingWhite:
15174 case IcsPlayingBlack:
15177 case BeginningOfGame:
15185 EditPositionDone(TRUE);
15198 gameMode = IcsIdle;
15208 switch (gameMode) {
15210 SetTrainingModeOff();
15212 case MachinePlaysWhite:
15213 case MachinePlaysBlack:
15214 case BeginningOfGame:
15215 SendToProgram("force\n", &first);
15216 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15217 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15219 abortEngineThink = TRUE;
15220 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15221 SendToProgram(buf, &first);
15222 DisplayMessage("Aborting engine think", "");
15226 SetUserThinkingEnables();
15228 case PlayFromGameFile:
15229 (void) StopLoadGameTimer();
15230 if (gameFileFP != NULL) {
15235 EditPositionDone(TRUE);
15240 SendToProgram("force\n", &first);
15242 case TwoMachinesPlay:
15243 GameEnds(EndOfFile, NULL, GE_PLAYER);
15244 ResurrectChessProgram();
15245 SetUserThinkingEnables();
15248 ResurrectChessProgram();
15250 case IcsPlayingBlack:
15251 case IcsPlayingWhite:
15252 DisplayError(_("Warning: You are still playing a game"), 0);
15255 DisplayError(_("Warning: You are still observing a game"), 0);
15258 DisplayError(_("Warning: You are still examining a game"), 0);
15269 first.offeredDraw = second.offeredDraw = 0;
15271 if (gameMode == PlayFromGameFile) {
15272 whiteTimeRemaining = timeRemaining[0][currentMove];
15273 blackTimeRemaining = timeRemaining[1][currentMove];
15277 if (gameMode == MachinePlaysWhite ||
15278 gameMode == MachinePlaysBlack ||
15279 gameMode == TwoMachinesPlay ||
15280 gameMode == EndOfGame) {
15281 i = forwardMostMove;
15282 while (i > currentMove) {
15283 SendToProgram("undo\n", &first);
15286 if(!adjustedClock) {
15287 whiteTimeRemaining = timeRemaining[0][currentMove];
15288 blackTimeRemaining = timeRemaining[1][currentMove];
15289 DisplayBothClocks();
15291 if (whiteFlag || blackFlag) {
15292 whiteFlag = blackFlag = 0;
15297 gameMode = EditGame;
15303 EditPositionEvent ()
15306 if (gameMode == EditPosition) {
15312 if (gameMode != EditGame) return;
15314 gameMode = EditPosition;
15317 CopyBoard(rightsBoard, nullBoard);
15318 if (currentMove > 0)
15319 CopyBoard(boards[0], boards[currentMove]);
15320 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15321 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15323 blackPlaysFirst = !WhiteOnMove(currentMove);
15325 currentMove = forwardMostMove = backwardMostMove = 0;
15326 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15328 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15334 /* [DM] icsEngineAnalyze - possible call from other functions */
15335 if (appData.icsEngineAnalyze) {
15336 appData.icsEngineAnalyze = FALSE;
15338 DisplayMessage("",_("Close ICS engine analyze..."));
15340 if (first.analysisSupport && first.analyzing) {
15341 SendToBoth("exit\n");
15342 first.analyzing = second.analyzing = FALSE;
15344 thinkOutput[0] = NULLCHAR;
15348 EditPositionDone (Boolean fakeRights)
15350 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15352 startedFromSetupPosition = TRUE;
15353 InitChessProgram(&first, FALSE);
15354 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15356 boards[0][EP_STATUS] = EP_NONE;
15357 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15358 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15359 if(rightsBoard[r][f]) {
15360 ChessSquare p = boards[0][r][f];
15361 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15362 else if(p == king) boards[0][CASTLING][2] = f;
15363 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15364 else rightsBoard[r][f] = 2; // mark for second pass
15367 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15368 if(rightsBoard[r][f] == 2) {
15369 ChessSquare p = boards[0][r][f];
15370 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15371 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15375 SendToProgram("force\n", &first);
15376 if (blackPlaysFirst) {
15377 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15378 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15379 currentMove = forwardMostMove = backwardMostMove = 1;
15380 CopyBoard(boards[1], boards[0]);
15382 currentMove = forwardMostMove = backwardMostMove = 0;
15384 SendBoard(&first, forwardMostMove);
15385 if (appData.debugMode) {
15386 fprintf(debugFP, "EditPosDone\n");
15389 DisplayMessage("", "");
15390 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15391 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15392 gameMode = EditGame;
15394 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15395 ClearHighlights(); /* [AS] */
15398 /* Pause for `ms' milliseconds */
15399 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15401 TimeDelay (long ms)
15408 } while (SubtractTimeMarks(&m2, &m1) < ms);
15411 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15413 SendMultiLineToICS (char *buf)
15415 char temp[MSG_SIZ+1], *p;
15422 strncpy(temp, buf, len);
15427 if (*p == '\n' || *p == '\r')
15432 strcat(temp, "\n");
15434 SendToPlayer(temp, strlen(temp));
15438 SetWhiteToPlayEvent ()
15440 if (gameMode == EditPosition) {
15441 blackPlaysFirst = FALSE;
15442 DisplayBothClocks(); /* works because currentMove is 0 */
15443 } else if (gameMode == IcsExamining) {
15444 SendToICS(ics_prefix);
15445 SendToICS("tomove white\n");
15450 SetBlackToPlayEvent ()
15452 if (gameMode == EditPosition) {
15453 blackPlaysFirst = TRUE;
15454 currentMove = 1; /* kludge */
15455 DisplayBothClocks();
15457 } else if (gameMode == IcsExamining) {
15458 SendToICS(ics_prefix);
15459 SendToICS("tomove black\n");
15464 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15467 ChessSquare piece = boards[0][y][x];
15468 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15469 static int lastVariant;
15470 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15472 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15474 switch (selection) {
15476 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15477 MarkTargetSquares(1);
15478 CopyBoard(currentBoard, boards[0]);
15479 CopyBoard(menuBoard, initialPosition);
15480 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15481 SendToICS(ics_prefix);
15482 SendToICS("bsetup clear\n");
15483 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15484 SendToICS(ics_prefix);
15485 SendToICS("clearboard\n");
15488 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15489 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15490 for (y = 0; y < BOARD_HEIGHT; y++) {
15491 if (gameMode == IcsExamining) {
15492 if (boards[currentMove][y][x] != EmptySquare) {
15493 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15497 } else if(boards[0][y][x] != DarkSquare) {
15498 if(boards[0][y][x] != p) nonEmpty++;
15499 boards[0][y][x] = p;
15503 CopyBoard(rightsBoard, nullBoard);
15504 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15506 for(r = 0; r < BOARD_HEIGHT; r++) {
15507 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15508 ChessSquare p = menuBoard[r][x];
15509 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15512 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15513 DisplayMessage("Clicking clock again restores position", "");
15514 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15515 if(!nonEmpty) { // asked to clear an empty board
15516 CopyBoard(boards[0], menuBoard);
15518 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15519 CopyBoard(boards[0], initialPosition);
15521 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15522 && !CompareBoards(nullBoard, erasedBoard)) {
15523 CopyBoard(boards[0], erasedBoard);
15525 CopyBoard(erasedBoard, currentBoard);
15527 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15528 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15531 if (gameMode == EditPosition) {
15532 DrawPosition(FALSE, boards[0]);
15537 SetWhiteToPlayEvent();
15541 SetBlackToPlayEvent();
15545 if (gameMode == IcsExamining) {
15546 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15547 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15550 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15551 if(x == BOARD_LEFT-2) {
15552 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15553 boards[0][y][1] = 0;
15555 if(x == BOARD_RGHT+1) {
15556 if(y >= gameInfo.holdingsSize) break;
15557 boards[0][y][BOARD_WIDTH-2] = 0;
15560 boards[0][y][x] = EmptySquare;
15561 DrawPosition(FALSE, boards[0]);
15566 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15567 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15568 selection = (ChessSquare) (PROMOTED(piece));
15569 } else if(piece == EmptySquare) selection = WhiteSilver;
15570 else selection = (ChessSquare)((int)piece - 1);
15574 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15575 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15576 selection = (ChessSquare) (DEMOTED(piece));
15577 } else if(piece == EmptySquare) selection = BlackSilver;
15578 else selection = (ChessSquare)((int)piece + 1);
15583 if(gameInfo.variant == VariantShatranj ||
15584 gameInfo.variant == VariantXiangqi ||
15585 gameInfo.variant == VariantCourier ||
15586 gameInfo.variant == VariantASEAN ||
15587 gameInfo.variant == VariantMakruk )
15588 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15594 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15595 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15601 if(gameInfo.variant == VariantXiangqi)
15602 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15603 if(gameInfo.variant == VariantKnightmate)
15604 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15605 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15608 if (gameMode == IcsExamining) {
15609 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15610 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15611 PieceToChar(selection), AAA + x, ONE + y);
15614 rightsBoard[y][x] = hasRights;
15615 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15617 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15618 n = PieceToNumber(selection - BlackPawn);
15619 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15620 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15621 boards[0][BOARD_HEIGHT-1-n][1]++;
15623 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15624 n = PieceToNumber(selection);
15625 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15626 boards[0][n][BOARD_WIDTH-1] = selection;
15627 boards[0][n][BOARD_WIDTH-2]++;
15630 boards[0][y][x] = selection;
15631 DrawPosition(TRUE, boards[0]);
15633 fromX = fromY = -1;
15641 DropMenuEvent (ChessSquare selection, int x, int y)
15643 ChessMove moveType;
15645 switch (gameMode) {
15646 case IcsPlayingWhite:
15647 case MachinePlaysBlack:
15648 if (!WhiteOnMove(currentMove)) {
15649 DisplayMoveError(_("It is Black's turn"));
15652 moveType = WhiteDrop;
15654 case IcsPlayingBlack:
15655 case MachinePlaysWhite:
15656 if (WhiteOnMove(currentMove)) {
15657 DisplayMoveError(_("It is White's turn"));
15660 moveType = BlackDrop;
15663 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15669 if (moveType == BlackDrop && selection < BlackPawn) {
15670 selection = (ChessSquare) ((int) selection
15671 + (int) BlackPawn - (int) WhitePawn);
15673 if (boards[currentMove][y][x] != EmptySquare) {
15674 DisplayMoveError(_("That square is occupied"));
15678 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15684 /* Accept a pending offer of any kind from opponent */
15686 if (appData.icsActive) {
15687 SendToICS(ics_prefix);
15688 SendToICS("accept\n");
15689 } else if (cmailMsgLoaded) {
15690 if (currentMove == cmailOldMove &&
15691 commentList[cmailOldMove] != NULL &&
15692 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15693 "Black offers a draw" : "White offers a draw")) {
15695 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15696 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15698 DisplayError(_("There is no pending offer on this move"), 0);
15699 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15702 /* Not used for offers from chess program */
15709 /* Decline a pending offer of any kind from opponent */
15711 if (appData.icsActive) {
15712 SendToICS(ics_prefix);
15713 SendToICS("decline\n");
15714 } else if (cmailMsgLoaded) {
15715 if (currentMove == cmailOldMove &&
15716 commentList[cmailOldMove] != NULL &&
15717 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15718 "Black offers a draw" : "White offers a draw")) {
15720 AppendComment(cmailOldMove, "Draw declined", TRUE);
15721 DisplayComment(cmailOldMove - 1, "Draw declined");
15724 DisplayError(_("There is no pending offer on this move"), 0);
15727 /* Not used for offers from chess program */
15734 /* Issue ICS rematch command */
15735 if (appData.icsActive) {
15736 SendToICS(ics_prefix);
15737 SendToICS("rematch\n");
15744 /* Call your opponent's flag (claim a win on time) */
15745 if (appData.icsActive) {
15746 SendToICS(ics_prefix);
15747 SendToICS("flag\n");
15749 switch (gameMode) {
15752 case MachinePlaysWhite:
15755 GameEnds(GameIsDrawn, "Both players ran out of time",
15758 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15760 DisplayError(_("Your opponent is not out of time"), 0);
15763 case MachinePlaysBlack:
15766 GameEnds(GameIsDrawn, "Both players ran out of time",
15769 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15771 DisplayError(_("Your opponent is not out of time"), 0);
15779 ClockClick (int which)
15780 { // [HGM] code moved to back-end from winboard.c
15781 if(which) { // black clock
15782 if (gameMode == EditPosition || gameMode == IcsExamining) {
15783 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15784 SetBlackToPlayEvent();
15785 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15786 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15787 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15788 } else if (shiftKey) {
15789 AdjustClock(which, -1);
15790 } else if (gameMode == IcsPlayingWhite ||
15791 gameMode == MachinePlaysBlack) {
15794 } else { // white clock
15795 if (gameMode == EditPosition || gameMode == IcsExamining) {
15796 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15797 SetWhiteToPlayEvent();
15798 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15799 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15800 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15801 } else if (shiftKey) {
15802 AdjustClock(which, -1);
15803 } else if (gameMode == IcsPlayingBlack ||
15804 gameMode == MachinePlaysWhite) {
15813 /* Offer draw or accept pending draw offer from opponent */
15815 if (appData.icsActive) {
15816 /* Note: tournament rules require draw offers to be
15817 made after you make your move but before you punch
15818 your clock. Currently ICS doesn't let you do that;
15819 instead, you immediately punch your clock after making
15820 a move, but you can offer a draw at any time. */
15822 SendToICS(ics_prefix);
15823 SendToICS("draw\n");
15824 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15825 } else if (cmailMsgLoaded) {
15826 if (currentMove == cmailOldMove &&
15827 commentList[cmailOldMove] != NULL &&
15828 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15829 "Black offers a draw" : "White offers a draw")) {
15830 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15831 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15832 } else if (currentMove == cmailOldMove + 1) {
15833 char *offer = WhiteOnMove(cmailOldMove) ?
15834 "White offers a draw" : "Black offers a draw";
15835 AppendComment(currentMove, offer, TRUE);
15836 DisplayComment(currentMove - 1, offer);
15837 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15839 DisplayError(_("You must make your move before offering a draw"), 0);
15840 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15842 } else if (first.offeredDraw) {
15843 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15845 if (first.sendDrawOffers) {
15846 SendToProgram("draw\n", &first);
15847 userOfferedDraw = TRUE;
15855 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15857 if (appData.icsActive) {
15858 SendToICS(ics_prefix);
15859 SendToICS("adjourn\n");
15861 /* Currently GNU Chess doesn't offer or accept Adjourns */
15869 /* Offer Abort or accept pending Abort offer from opponent */
15871 if (appData.icsActive) {
15872 SendToICS(ics_prefix);
15873 SendToICS("abort\n");
15875 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15882 /* Resign. You can do this even if it's not your turn. */
15884 if (appData.icsActive) {
15885 SendToICS(ics_prefix);
15886 SendToICS("resign\n");
15888 switch (gameMode) {
15889 case MachinePlaysWhite:
15890 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15892 case MachinePlaysBlack:
15893 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15896 if (cmailMsgLoaded) {
15898 if (WhiteOnMove(cmailOldMove)) {
15899 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15901 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15903 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15914 StopObservingEvent ()
15916 /* Stop observing current games */
15917 SendToICS(ics_prefix);
15918 SendToICS("unobserve\n");
15922 StopExaminingEvent ()
15924 /* Stop observing current game */
15925 SendToICS(ics_prefix);
15926 SendToICS("unexamine\n");
15930 ForwardInner (int target)
15932 int limit; int oldSeekGraphUp = seekGraphUp;
15934 if (appData.debugMode)
15935 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15936 target, currentMove, forwardMostMove);
15938 if (gameMode == EditPosition)
15941 seekGraphUp = FALSE;
15942 MarkTargetSquares(1);
15943 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15945 if (gameMode == PlayFromGameFile && !pausing)
15948 if (gameMode == IcsExamining && pausing)
15949 limit = pauseExamForwardMostMove;
15951 limit = forwardMostMove;
15953 if (target > limit) target = limit;
15955 if (target > 0 && moveList[target - 1][0]) {
15956 int fromX, fromY, toX, toY;
15957 toX = moveList[target - 1][2] - AAA;
15958 toY = moveList[target - 1][3] - ONE;
15959 if (moveList[target - 1][1] == '@') {
15960 if (appData.highlightLastMove) {
15961 SetHighlights(-1, -1, toX, toY);
15964 fromX = moveList[target - 1][0] - AAA;
15965 fromY = moveList[target - 1][1] - ONE;
15966 if (target == currentMove + 1) {
15967 if(moveList[target - 1][4] == ';') { // multi-leg
15968 killX = moveList[target - 1][5] - AAA;
15969 killY = moveList[target - 1][6] - ONE;
15971 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15972 killX = killY = -1;
15974 if (appData.highlightLastMove) {
15975 SetHighlights(fromX, fromY, toX, toY);
15979 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15980 gameMode == Training || gameMode == PlayFromGameFile ||
15981 gameMode == AnalyzeFile) {
15982 while (currentMove < target) {
15983 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15984 SendMoveToProgram(currentMove++, &first);
15987 currentMove = target;
15990 if (gameMode == EditGame || gameMode == EndOfGame) {
15991 whiteTimeRemaining = timeRemaining[0][currentMove];
15992 blackTimeRemaining = timeRemaining[1][currentMove];
15994 DisplayBothClocks();
15995 DisplayMove(currentMove - 1);
15996 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15997 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15998 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15999 DisplayComment(currentMove - 1, commentList[currentMove]);
16001 ClearMap(); // [HGM] exclude: invalidate map
16008 if (gameMode == IcsExamining && !pausing) {
16009 SendToICS(ics_prefix);
16010 SendToICS("forward\n");
16012 ForwardInner(currentMove + 1);
16019 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16020 /* to optimze, we temporarily turn off analysis mode while we feed
16021 * the remaining moves to the engine. Otherwise we get analysis output
16024 if (first.analysisSupport) {
16025 SendToProgram("exit\nforce\n", &first);
16026 first.analyzing = FALSE;
16030 if (gameMode == IcsExamining && !pausing) {
16031 SendToICS(ics_prefix);
16032 SendToICS("forward 999999\n");
16034 ForwardInner(forwardMostMove);
16037 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16038 /* we have fed all the moves, so reactivate analysis mode */
16039 SendToProgram("analyze\n", &first);
16040 first.analyzing = TRUE;
16041 /*first.maybeThinking = TRUE;*/
16042 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16047 BackwardInner (int target)
16049 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16051 if (appData.debugMode)
16052 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16053 target, currentMove, forwardMostMove);
16055 if (gameMode == EditPosition) return;
16056 seekGraphUp = FALSE;
16057 MarkTargetSquares(1);
16058 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16059 if (currentMove <= backwardMostMove) {
16061 DrawPosition(full_redraw, boards[currentMove]);
16064 if (gameMode == PlayFromGameFile && !pausing)
16067 if (moveList[target][0]) {
16068 int fromX, fromY, toX, toY;
16069 toX = moveList[target][2] - AAA;
16070 toY = moveList[target][3] - ONE;
16071 if (moveList[target][1] == '@') {
16072 if (appData.highlightLastMove) {
16073 SetHighlights(-1, -1, toX, toY);
16076 fromX = moveList[target][0] - AAA;
16077 fromY = moveList[target][1] - ONE;
16078 if (target == currentMove - 1) {
16079 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16081 if (appData.highlightLastMove) {
16082 SetHighlights(fromX, fromY, toX, toY);
16086 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16087 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16088 while (currentMove > target) {
16089 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16090 // null move cannot be undone. Reload program with move history before it.
16092 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16093 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16095 SendBoard(&first, i);
16096 if(second.analyzing) SendBoard(&second, i);
16097 for(currentMove=i; currentMove<target; currentMove++) {
16098 SendMoveToProgram(currentMove, &first);
16099 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16103 SendToBoth("undo\n");
16107 currentMove = target;
16110 if (gameMode == EditGame || gameMode == EndOfGame) {
16111 whiteTimeRemaining = timeRemaining[0][currentMove];
16112 blackTimeRemaining = timeRemaining[1][currentMove];
16114 DisplayBothClocks();
16115 DisplayMove(currentMove - 1);
16116 DrawPosition(full_redraw, boards[currentMove]);
16117 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16118 // [HGM] PV info: routine tests if comment empty
16119 DisplayComment(currentMove - 1, commentList[currentMove]);
16120 ClearMap(); // [HGM] exclude: invalidate map
16126 if (gameMode == IcsExamining && !pausing) {
16127 SendToICS(ics_prefix);
16128 SendToICS("backward\n");
16130 BackwardInner(currentMove - 1);
16137 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16138 /* to optimize, we temporarily turn off analysis mode while we undo
16139 * all the moves. Otherwise we get analysis output after each undo.
16141 if (first.analysisSupport) {
16142 SendToProgram("exit\nforce\n", &first);
16143 first.analyzing = FALSE;
16147 if (gameMode == IcsExamining && !pausing) {
16148 SendToICS(ics_prefix);
16149 SendToICS("backward 999999\n");
16151 BackwardInner(backwardMostMove);
16154 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16155 /* we have fed all the moves, so reactivate analysis mode */
16156 SendToProgram("analyze\n", &first);
16157 first.analyzing = TRUE;
16158 /*first.maybeThinking = TRUE;*/
16159 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16166 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16167 if (to >= forwardMostMove) to = forwardMostMove;
16168 if (to <= backwardMostMove) to = backwardMostMove;
16169 if (to < currentMove) {
16177 RevertEvent (Boolean annotate)
16179 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16182 if (gameMode != IcsExamining) {
16183 DisplayError(_("You are not examining a game"), 0);
16187 DisplayError(_("You can't revert while pausing"), 0);
16190 SendToICS(ics_prefix);
16191 SendToICS("revert\n");
16195 RetractMoveEvent ()
16197 switch (gameMode) {
16198 case MachinePlaysWhite:
16199 case MachinePlaysBlack:
16200 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16201 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16204 if (forwardMostMove < 2) return;
16205 currentMove = forwardMostMove = forwardMostMove - 2;
16206 whiteTimeRemaining = timeRemaining[0][currentMove];
16207 blackTimeRemaining = timeRemaining[1][currentMove];
16208 DisplayBothClocks();
16209 DisplayMove(currentMove - 1);
16210 ClearHighlights();/*!! could figure this out*/
16211 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16212 SendToProgram("remove\n", &first);
16213 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16216 case BeginningOfGame:
16220 case IcsPlayingWhite:
16221 case IcsPlayingBlack:
16222 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16223 SendToICS(ics_prefix);
16224 SendToICS("takeback 2\n");
16226 SendToICS(ics_prefix);
16227 SendToICS("takeback 1\n");
16236 ChessProgramState *cps;
16238 switch (gameMode) {
16239 case MachinePlaysWhite:
16240 if (!WhiteOnMove(forwardMostMove)) {
16241 DisplayError(_("It is your turn"), 0);
16246 case MachinePlaysBlack:
16247 if (WhiteOnMove(forwardMostMove)) {
16248 DisplayError(_("It is your turn"), 0);
16253 case TwoMachinesPlay:
16254 if (WhiteOnMove(forwardMostMove) ==
16255 (first.twoMachinesColor[0] == 'w')) {
16261 case BeginningOfGame:
16265 SendToProgram("?\n", cps);
16269 TruncateGameEvent ()
16272 if (gameMode != EditGame) return;
16279 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16280 if (forwardMostMove > currentMove) {
16281 if (gameInfo.resultDetails != NULL) {
16282 free(gameInfo.resultDetails);
16283 gameInfo.resultDetails = NULL;
16284 gameInfo.result = GameUnfinished;
16286 forwardMostMove = currentMove;
16287 HistorySet(parseList, backwardMostMove, forwardMostMove,
16295 if (appData.noChessProgram) return;
16296 switch (gameMode) {
16297 case MachinePlaysWhite:
16298 if (WhiteOnMove(forwardMostMove)) {
16299 DisplayError(_("Wait until your turn."), 0);
16303 case BeginningOfGame:
16304 case MachinePlaysBlack:
16305 if (!WhiteOnMove(forwardMostMove)) {
16306 DisplayError(_("Wait until your turn."), 0);
16311 DisplayError(_("No hint available"), 0);
16314 SendToProgram("hint\n", &first);
16315 hintRequested = TRUE;
16319 SaveSelected (FILE *g, int dummy, char *dummy2)
16321 ListGame * lg = (ListGame *) gameList.head;
16325 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16326 DisplayError(_("Game list not loaded or empty"), 0);
16330 creatingBook = TRUE; // suppresses stuff during load game
16332 /* Get list size */
16333 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16334 if(lg->position >= 0) { // selected?
16335 LoadGame(f, nItem, "", TRUE);
16336 SaveGamePGN2(g); // leaves g open
16339 lg = (ListGame *) lg->node.succ;
16343 creatingBook = FALSE;
16351 ListGame * lg = (ListGame *) gameList.head;
16354 static int secondTime = FALSE;
16356 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16357 DisplayError(_("Game list not loaded or empty"), 0);
16361 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16364 DisplayNote(_("Book file exists! Try again for overwrite."));
16368 creatingBook = TRUE;
16369 secondTime = FALSE;
16371 /* Get list size */
16372 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16373 if(lg->position >= 0) {
16374 LoadGame(f, nItem, "", TRUE);
16375 AddGameToBook(TRUE);
16378 lg = (ListGame *) lg->node.succ;
16381 creatingBook = FALSE;
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 EditPositionDone(TRUE);
16406 case TwoMachinesPlay:
16411 SendToProgram("bk\n", &first);
16412 bookOutput[0] = NULLCHAR;
16413 bookRequested = TRUE;
16419 char *tags = PGNTags(&gameInfo);
16420 TagsPopUp(tags, CmailMsg());
16424 /* end button procedures */
16427 PrintPosition (FILE *fp, int move)
16431 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16432 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16433 char c = PieceToChar(boards[move][i][j]);
16434 fputc(c == '?' ? '.' : c, fp);
16435 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16438 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16439 fprintf(fp, "white to play\n");
16441 fprintf(fp, "black to play\n");
16445 PrintOpponents (FILE *fp)
16447 if (gameInfo.white != NULL) {
16448 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16454 /* Find last component of program's own name, using some heuristics */
16456 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16459 int local = (strcmp(host, "localhost") == 0);
16460 while (!local && (p = strchr(prog, ';')) != NULL) {
16462 while (*p == ' ') p++;
16465 if (*prog == '"' || *prog == '\'') {
16466 q = strchr(prog + 1, *prog);
16468 q = strchr(prog, ' ');
16470 if (q == NULL) q = prog + strlen(prog);
16472 while (p >= prog && *p != '/' && *p != '\\') p--;
16474 if(p == prog && *p == '"') p++;
16476 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16477 memcpy(buf, p, q - p);
16478 buf[q - p] = NULLCHAR;
16486 TimeControlTagValue ()
16489 if (!appData.clockMode) {
16490 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16491 } else if (movesPerSession > 0) {
16492 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16493 } else if (timeIncrement == 0) {
16494 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16496 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16498 return StrSave(buf);
16504 /* This routine is used only for certain modes */
16505 VariantClass v = gameInfo.variant;
16506 ChessMove r = GameUnfinished;
16509 if(keepInfo) return;
16511 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16512 r = gameInfo.result;
16513 p = gameInfo.resultDetails;
16514 gameInfo.resultDetails = NULL;
16516 ClearGameInfo(&gameInfo);
16517 gameInfo.variant = v;
16519 switch (gameMode) {
16520 case MachinePlaysWhite:
16521 gameInfo.event = StrSave( appData.pgnEventHeader );
16522 gameInfo.site = StrSave(HostName());
16523 gameInfo.date = PGNDate();
16524 gameInfo.round = StrSave("-");
16525 gameInfo.white = StrSave(first.tidy);
16526 gameInfo.black = StrSave(UserName());
16527 gameInfo.timeControl = TimeControlTagValue();
16530 case MachinePlaysBlack:
16531 gameInfo.event = StrSave( appData.pgnEventHeader );
16532 gameInfo.site = StrSave(HostName());
16533 gameInfo.date = PGNDate();
16534 gameInfo.round = StrSave("-");
16535 gameInfo.white = StrSave(UserName());
16536 gameInfo.black = StrSave(first.tidy);
16537 gameInfo.timeControl = TimeControlTagValue();
16540 case TwoMachinesPlay:
16541 gameInfo.event = StrSave( appData.pgnEventHeader );
16542 gameInfo.site = StrSave(HostName());
16543 gameInfo.date = PGNDate();
16546 snprintf(buf, MSG_SIZ, "%d", roundNr);
16547 gameInfo.round = StrSave(buf);
16549 gameInfo.round = StrSave("-");
16551 if (first.twoMachinesColor[0] == 'w') {
16552 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16553 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16555 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16556 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16558 gameInfo.timeControl = TimeControlTagValue();
16562 gameInfo.event = StrSave("Edited game");
16563 gameInfo.site = StrSave(HostName());
16564 gameInfo.date = PGNDate();
16565 gameInfo.round = StrSave("-");
16566 gameInfo.white = StrSave("-");
16567 gameInfo.black = StrSave("-");
16568 gameInfo.result = r;
16569 gameInfo.resultDetails = p;
16573 gameInfo.event = StrSave("Edited position");
16574 gameInfo.site = StrSave(HostName());
16575 gameInfo.date = PGNDate();
16576 gameInfo.round = StrSave("-");
16577 gameInfo.white = StrSave("-");
16578 gameInfo.black = StrSave("-");
16581 case IcsPlayingWhite:
16582 case IcsPlayingBlack:
16587 case PlayFromGameFile:
16588 gameInfo.event = StrSave("Game from non-PGN file");
16589 gameInfo.site = StrSave(HostName());
16590 gameInfo.date = PGNDate();
16591 gameInfo.round = StrSave("-");
16592 gameInfo.white = StrSave("?");
16593 gameInfo.black = StrSave("?");
16602 ReplaceComment (int index, char *text)
16608 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16609 pvInfoList[index-1].depth == len &&
16610 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16611 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16612 while (*text == '\n') text++;
16613 len = strlen(text);
16614 while (len > 0 && text[len - 1] == '\n') len--;
16616 if (commentList[index] != NULL)
16617 free(commentList[index]);
16620 commentList[index] = NULL;
16623 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16624 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16625 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16626 commentList[index] = (char *) malloc(len + 2);
16627 strncpy(commentList[index], text, len);
16628 commentList[index][len] = '\n';
16629 commentList[index][len + 1] = NULLCHAR;
16631 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16633 commentList[index] = (char *) malloc(len + 7);
16634 safeStrCpy(commentList[index], "{\n", 3);
16635 safeStrCpy(commentList[index]+2, text, len+1);
16636 commentList[index][len+2] = NULLCHAR;
16637 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16638 strcat(commentList[index], "\n}\n");
16643 CrushCRs (char *text)
16651 if (ch == '\r') continue;
16653 } while (ch != '\0');
16657 AppendComment (int index, char *text, Boolean addBraces)
16658 /* addBraces tells if we should add {} */
16663 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16664 if(addBraces == 3) addBraces = 0; else // force appending literally
16665 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16668 while (*text == '\n') text++;
16669 len = strlen(text);
16670 while (len > 0 && text[len - 1] == '\n') len--;
16671 text[len] = NULLCHAR;
16673 if (len == 0) return;
16675 if (commentList[index] != NULL) {
16676 Boolean addClosingBrace = addBraces;
16677 old = commentList[index];
16678 oldlen = strlen(old);
16679 while(commentList[index][oldlen-1] == '\n')
16680 commentList[index][--oldlen] = NULLCHAR;
16681 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16682 safeStrCpy(commentList[index], old, oldlen + len + 6);
16684 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16685 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16686 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16687 while (*text == '\n') { text++; len--; }
16688 commentList[index][--oldlen] = NULLCHAR;
16690 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16691 else strcat(commentList[index], "\n");
16692 strcat(commentList[index], text);
16693 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16694 else strcat(commentList[index], "\n");
16696 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16698 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16699 else commentList[index][0] = NULLCHAR;
16700 strcat(commentList[index], text);
16701 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16702 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16707 FindStr (char * text, char * sub_text)
16709 char * result = strstr( text, sub_text );
16711 if( result != NULL ) {
16712 result += strlen( sub_text );
16718 /* [AS] Try to extract PV info from PGN comment */
16719 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16721 GetInfoFromComment (int index, char * text)
16723 char * sep = text, *p;
16725 if( text != NULL && index > 0 ) {
16728 int time = -1, sec = 0, deci;
16729 char * s_eval = FindStr( text, "[%eval " );
16730 char * s_emt = FindStr( text, "[%emt " );
16732 if( s_eval != NULL || s_emt != NULL ) {
16734 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16739 if( s_eval != NULL ) {
16740 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16744 if( delim != ']' ) {
16749 if( s_emt != NULL ) {
16754 /* We expect something like: [+|-]nnn.nn/dd */
16757 if(*text != '{') return text; // [HGM] braces: must be normal comment
16759 sep = strchr( text, '/' );
16760 if( sep == NULL || sep < (text+4) ) {
16765 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16766 if(p[1] == '(') { // comment starts with PV
16767 p = strchr(p, ')'); // locate end of PV
16768 if(p == NULL || sep < p+5) return text;
16769 // at this point we have something like "{(.*) +0.23/6 ..."
16770 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16771 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16772 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16774 time = -1; sec = -1; deci = -1;
16775 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16776 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16777 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16778 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16782 if( score_lo < 0 || score_lo >= 100 ) {
16786 if(sec >= 0) time = 600*time + 10*sec; else
16787 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16789 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16791 /* [HGM] PV time: now locate end of PV info */
16792 while( *++sep >= '0' && *sep <= '9'); // strip depth
16794 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16796 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16798 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16799 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16810 pvInfoList[index-1].depth = depth;
16811 pvInfoList[index-1].score = score;
16812 pvInfoList[index-1].time = 10*time; // centi-sec
16813 if(*sep == '}') *sep = 0; else *--sep = '{';
16815 while(*p++ = *sep++)
16818 } // squeeze out space between PV and comment, and return both
16824 SendToProgram (char *message, ChessProgramState *cps)
16826 int count, outCount, error;
16829 if (cps->pr == NoProc) return;
16832 if (appData.debugMode) {
16835 fprintf(debugFP, "%ld >%-6s: %s",
16836 SubtractTimeMarks(&now, &programStartTime),
16837 cps->which, message);
16839 fprintf(serverFP, "%ld >%-6s: %s",
16840 SubtractTimeMarks(&now, &programStartTime),
16841 cps->which, message), fflush(serverFP);
16844 count = strlen(message);
16845 outCount = OutputToProcess(cps->pr, message, count, &error);
16846 if (outCount < count && !exiting
16847 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16848 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16849 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16850 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16851 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16852 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16853 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16854 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16856 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16857 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16858 gameInfo.result = res;
16860 gameInfo.resultDetails = StrSave(buf);
16862 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16863 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16868 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16872 ChessProgramState *cps = (ChessProgramState *)closure;
16874 if (isr != cps->isr) return; /* Killed intentionally */
16877 RemoveInputSource(cps->isr);
16878 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16879 _(cps->which), cps->program);
16880 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16881 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16882 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16883 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16884 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16885 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16887 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16888 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16889 gameInfo.result = res;
16891 gameInfo.resultDetails = StrSave(buf);
16893 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16894 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16896 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16897 _(cps->which), cps->program);
16898 RemoveInputSource(cps->isr);
16900 /* [AS] Program is misbehaving badly... kill it */
16901 if( count == -2 ) {
16902 DestroyChildProcess( cps->pr, 9 );
16906 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16911 if ((end_str = strchr(message, '\r')) != NULL)
16912 *end_str = NULLCHAR;
16913 if ((end_str = strchr(message, '\n')) != NULL)
16914 *end_str = NULLCHAR;
16916 if (appData.debugMode) {
16917 TimeMark now; int print = 1;
16918 char *quote = ""; char c; int i;
16920 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16921 char start = message[0];
16922 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16923 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16924 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16925 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16926 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16927 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16928 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16929 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16930 sscanf(message, "hint: %c", &c)!=1 &&
16931 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16932 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16933 print = (appData.engineComments >= 2);
16935 message[0] = start; // restore original message
16939 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16940 SubtractTimeMarks(&now, &programStartTime), cps->which,
16944 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16945 SubtractTimeMarks(&now, &programStartTime), cps->which,
16947 message), fflush(serverFP);
16951 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16952 if (appData.icsEngineAnalyze) {
16953 if (strstr(message, "whisper") != NULL ||
16954 strstr(message, "kibitz") != NULL ||
16955 strstr(message, "tellics") != NULL) return;
16958 HandleMachineMove(message, cps);
16963 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16968 if( timeControl_2 > 0 ) {
16969 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16970 tc = timeControl_2;
16973 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16974 inc /= cps->timeOdds;
16975 st /= cps->timeOdds;
16977 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16980 /* Set exact time per move, normally using st command */
16981 if (cps->stKludge) {
16982 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16984 if (seconds == 0) {
16985 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16987 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16990 snprintf(buf, MSG_SIZ, "st %d\n", st);
16993 /* Set conventional or incremental time control, using level command */
16994 if (seconds == 0) {
16995 /* Note old gnuchess bug -- minutes:seconds used to not work.
16996 Fixed in later versions, but still avoid :seconds
16997 when seconds is 0. */
16998 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17000 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17001 seconds, inc/1000.);
17004 SendToProgram(buf, cps);
17006 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17007 /* Orthogonally, limit search to given depth */
17009 if (cps->sdKludge) {
17010 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17012 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17014 SendToProgram(buf, cps);
17017 if(cps->nps >= 0) { /* [HGM] nps */
17018 if(cps->supportsNPS == FALSE)
17019 cps->nps = -1; // don't use if engine explicitly says not supported!
17021 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17022 SendToProgram(buf, cps);
17027 ChessProgramState *
17029 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17031 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17032 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17038 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17040 char message[MSG_SIZ];
17043 /* Note: this routine must be called when the clocks are stopped
17044 or when they have *just* been set or switched; otherwise
17045 it will be off by the time since the current tick started.
17047 if (machineWhite) {
17048 time = whiteTimeRemaining / 10;
17049 otime = blackTimeRemaining / 10;
17051 time = blackTimeRemaining / 10;
17052 otime = whiteTimeRemaining / 10;
17054 /* [HGM] translate opponent's time by time-odds factor */
17055 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17057 if (time <= 0) time = 1;
17058 if (otime <= 0) otime = 1;
17060 snprintf(message, MSG_SIZ, "time %ld\n", time);
17061 SendToProgram(message, cps);
17063 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17064 SendToProgram(message, cps);
17068 EngineDefinedVariant (ChessProgramState *cps, int n)
17069 { // return name of n-th unknown variant that engine supports
17070 static char buf[MSG_SIZ];
17071 char *p, *s = cps->variants;
17072 if(!s) return NULL;
17073 do { // parse string from variants feature
17075 p = strchr(s, ',');
17076 if(p) *p = NULLCHAR;
17077 v = StringToVariant(s);
17078 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17079 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17080 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17081 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17082 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17083 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17084 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17087 if(n < 0) return buf;
17093 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17096 int len = strlen(name);
17099 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17101 sscanf(*p, "%d", &val);
17103 while (**p && **p != ' ')
17105 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17106 SendToProgram(buf, cps);
17113 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17116 int len = strlen(name);
17117 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17119 sscanf(*p, "%d", loc);
17120 while (**p && **p != ' ') (*p)++;
17121 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17122 SendToProgram(buf, cps);
17129 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17132 int len = strlen(name);
17133 if (strncmp((*p), name, len) == 0
17134 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17136 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17137 sscanf(*p, "%[^\"]", *loc);
17138 while (**p && **p != '\"') (*p)++;
17139 if (**p == '\"') (*p)++;
17140 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17141 SendToProgram(buf, cps);
17148 ParseOption (Option *opt, ChessProgramState *cps)
17149 // [HGM] options: process the string that defines an engine option, and determine
17150 // name, type, default value, and allowed value range
17152 char *p, *q, buf[MSG_SIZ];
17153 int n, min = (-1)<<31, max = 1<<31, def;
17155 opt->target = &opt->value; // OK for spin/slider and checkbox
17156 if(p = strstr(opt->name, " -spin ")) {
17157 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17158 if(max < min) max = min; // enforce consistency
17159 if(def < min) def = min;
17160 if(def > max) def = max;
17165 } else if((p = strstr(opt->name, " -slider "))) {
17166 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17167 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17168 if(max < min) max = min; // enforce consistency
17169 if(def < min) def = min;
17170 if(def > max) def = max;
17174 opt->type = Spin; // Slider;
17175 } else if((p = strstr(opt->name, " -string "))) {
17176 opt->textValue = p+9;
17177 opt->type = TextBox;
17178 opt->target = &opt->textValue;
17179 } else if((p = strstr(opt->name, " -file "))) {
17180 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17181 opt->target = opt->textValue = p+7;
17182 opt->type = FileName; // FileName;
17183 opt->target = &opt->textValue;
17184 } else if((p = strstr(opt->name, " -path "))) {
17185 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17186 opt->target = opt->textValue = p+7;
17187 opt->type = PathName; // PathName;
17188 opt->target = &opt->textValue;
17189 } else if(p = strstr(opt->name, " -check ")) {
17190 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17191 opt->value = (def != 0);
17192 opt->type = CheckBox;
17193 } else if(p = strstr(opt->name, " -combo ")) {
17194 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17195 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17196 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17197 opt->value = n = 0;
17198 while(q = StrStr(q, " /// ")) {
17199 n++; *q = 0; // count choices, and null-terminate each of them
17201 if(*q == '*') { // remember default, which is marked with * prefix
17205 cps->comboList[cps->comboCnt++] = q;
17207 cps->comboList[cps->comboCnt++] = NULL;
17209 opt->type = ComboBox;
17210 } else if(p = strstr(opt->name, " -button")) {
17211 opt->type = Button;
17212 } else if(p = strstr(opt->name, " -save")) {
17213 opt->type = SaveButton;
17214 } else return FALSE;
17215 *p = 0; // terminate option name
17216 // now look if the command-line options define a setting for this engine option.
17217 if(cps->optionSettings && cps->optionSettings[0])
17218 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17219 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17220 snprintf(buf, MSG_SIZ, "option %s", p);
17221 if(p = strstr(buf, ",")) *p = 0;
17222 if(q = strchr(buf, '=')) switch(opt->type) {
17224 for(n=0; n<opt->max; n++)
17225 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17228 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17232 opt->value = atoi(q+1);
17237 SendToProgram(buf, cps);
17243 FeatureDone (ChessProgramState *cps, int val)
17245 DelayedEventCallback cb = GetDelayedEvent();
17246 if ((cb == InitBackEnd3 && cps == &first) ||
17247 (cb == SettingsMenuIfReady && cps == &second) ||
17248 (cb == LoadEngine) ||
17249 (cb == TwoMachinesEventIfReady)) {
17250 CancelDelayedEvent();
17251 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17252 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17253 cps->initDone = val;
17254 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17257 /* Parse feature command from engine */
17259 ParseFeatures (char *args, ChessProgramState *cps)
17267 while (*p == ' ') p++;
17268 if (*p == NULLCHAR) return;
17270 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17271 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17272 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17273 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17274 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17275 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17276 if (BoolFeature(&p, "reuse", &val, cps)) {
17277 /* Engine can disable reuse, but can't enable it if user said no */
17278 if (!val) cps->reuse = FALSE;
17281 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17282 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17283 if (gameMode == TwoMachinesPlay) {
17284 DisplayTwoMachinesTitle();
17290 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17291 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17292 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17293 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17294 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17295 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17296 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17297 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17298 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17299 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17300 if (IntFeature(&p, "done", &val, cps)) {
17301 FeatureDone(cps, val);
17304 /* Added by Tord: */
17305 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17306 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17307 /* End of additions by Tord */
17309 /* [HGM] added features: */
17310 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17311 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17312 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17313 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17314 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17315 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17316 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17317 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17318 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17319 FREE(cps->option[cps->nrOptions].name);
17320 cps->option[cps->nrOptions].name = q; q = NULL;
17321 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17322 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17323 SendToProgram(buf, cps);
17326 if(cps->nrOptions >= MAX_OPTIONS) {
17328 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17329 DisplayError(buf, 0);
17333 /* End of additions by HGM */
17335 /* unknown feature: complain and skip */
17337 while (*q && *q != '=') q++;
17338 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17339 SendToProgram(buf, cps);
17345 while (*p && *p != '\"') p++;
17346 if (*p == '\"') p++;
17348 while (*p && *p != ' ') p++;
17356 PeriodicUpdatesEvent (int newState)
17358 if (newState == appData.periodicUpdates)
17361 appData.periodicUpdates=newState;
17363 /* Display type changes, so update it now */
17364 // DisplayAnalysis();
17366 /* Get the ball rolling again... */
17368 AnalysisPeriodicEvent(1);
17369 StartAnalysisClock();
17374 PonderNextMoveEvent (int newState)
17376 if (newState == appData.ponderNextMove) return;
17377 if (gameMode == EditPosition) EditPositionDone(TRUE);
17379 SendToProgram("hard\n", &first);
17380 if (gameMode == TwoMachinesPlay) {
17381 SendToProgram("hard\n", &second);
17384 SendToProgram("easy\n", &first);
17385 thinkOutput[0] = NULLCHAR;
17386 if (gameMode == TwoMachinesPlay) {
17387 SendToProgram("easy\n", &second);
17390 appData.ponderNextMove = newState;
17394 NewSettingEvent (int option, int *feature, char *command, int value)
17398 if (gameMode == EditPosition) EditPositionDone(TRUE);
17399 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17400 if(feature == NULL || *feature) SendToProgram(buf, &first);
17401 if (gameMode == TwoMachinesPlay) {
17402 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17407 ShowThinkingEvent ()
17408 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17410 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17411 int newState = appData.showThinking
17412 // [HGM] thinking: other features now need thinking output as well
17413 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17415 if (oldState == newState) return;
17416 oldState = newState;
17417 if (gameMode == EditPosition) EditPositionDone(TRUE);
17419 SendToProgram("post\n", &first);
17420 if (gameMode == TwoMachinesPlay) {
17421 SendToProgram("post\n", &second);
17424 SendToProgram("nopost\n", &first);
17425 thinkOutput[0] = NULLCHAR;
17426 if (gameMode == TwoMachinesPlay) {
17427 SendToProgram("nopost\n", &second);
17430 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17434 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17436 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17437 if (pr == NoProc) return;
17438 AskQuestion(title, question, replyPrefix, pr);
17442 TypeInEvent (char firstChar)
17444 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17445 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17446 gameMode == AnalyzeMode || gameMode == EditGame ||
17447 gameMode == EditPosition || gameMode == IcsExamining ||
17448 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17449 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17450 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17451 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17452 gameMode == Training) PopUpMoveDialog(firstChar);
17456 TypeInDoneEvent (char *move)
17459 int n, fromX, fromY, toX, toY;
17461 ChessMove moveType;
17464 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17465 EditPositionPasteFEN(move);
17468 // [HGM] movenum: allow move number to be typed in any mode
17469 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17473 // undocumented kludge: allow command-line option to be typed in!
17474 // (potentially fatal, and does not implement the effect of the option.)
17475 // should only be used for options that are values on which future decisions will be made,
17476 // and definitely not on options that would be used during initialization.
17477 if(strstr(move, "!!! -") == move) {
17478 ParseArgsFromString(move+4);
17482 if (gameMode != EditGame && currentMove != forwardMostMove &&
17483 gameMode != Training) {
17484 DisplayMoveError(_("Displayed move is not current"));
17486 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17487 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17488 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17489 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17490 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17491 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17493 DisplayMoveError(_("Could not parse move"));
17499 DisplayMove (int moveNumber)
17501 char message[MSG_SIZ];
17503 char cpThinkOutput[MSG_SIZ];
17505 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17507 if (moveNumber == forwardMostMove - 1 ||
17508 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17510 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17512 if (strchr(cpThinkOutput, '\n')) {
17513 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17516 *cpThinkOutput = NULLCHAR;
17519 /* [AS] Hide thinking from human user */
17520 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17521 *cpThinkOutput = NULLCHAR;
17522 if( thinkOutput[0] != NULLCHAR ) {
17525 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17526 cpThinkOutput[i] = '.';
17528 cpThinkOutput[i] = NULLCHAR;
17529 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17533 if (moveNumber == forwardMostMove - 1 &&
17534 gameInfo.resultDetails != NULL) {
17535 if (gameInfo.resultDetails[0] == NULLCHAR) {
17536 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17538 snprintf(res, MSG_SIZ, " {%s} %s",
17539 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17545 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17546 DisplayMessage(res, cpThinkOutput);
17548 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17549 WhiteOnMove(moveNumber) ? " " : ".. ",
17550 parseList[moveNumber], res);
17551 DisplayMessage(message, cpThinkOutput);
17556 DisplayComment (int moveNumber, char *text)
17558 char title[MSG_SIZ];
17560 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17561 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17563 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17564 WhiteOnMove(moveNumber) ? " " : ".. ",
17565 parseList[moveNumber]);
17567 if (text != NULL && (appData.autoDisplayComment || commentUp))
17568 CommentPopUp(title, text);
17571 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17572 * might be busy thinking or pondering. It can be omitted if your
17573 * gnuchess is configured to stop thinking immediately on any user
17574 * input. However, that gnuchess feature depends on the FIONREAD
17575 * ioctl, which does not work properly on some flavors of Unix.
17578 Attention (ChessProgramState *cps)
17581 if (!cps->useSigint) return;
17582 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17583 switch (gameMode) {
17584 case MachinePlaysWhite:
17585 case MachinePlaysBlack:
17586 case TwoMachinesPlay:
17587 case IcsPlayingWhite:
17588 case IcsPlayingBlack:
17591 /* Skip if we know it isn't thinking */
17592 if (!cps->maybeThinking) return;
17593 if (appData.debugMode)
17594 fprintf(debugFP, "Interrupting %s\n", cps->which);
17595 InterruptChildProcess(cps->pr);
17596 cps->maybeThinking = FALSE;
17601 #endif /*ATTENTION*/
17607 if (whiteTimeRemaining <= 0) {
17610 if (appData.icsActive) {
17611 if (appData.autoCallFlag &&
17612 gameMode == IcsPlayingBlack && !blackFlag) {
17613 SendToICS(ics_prefix);
17614 SendToICS("flag\n");
17618 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17620 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17621 if (appData.autoCallFlag) {
17622 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17629 if (blackTimeRemaining <= 0) {
17632 if (appData.icsActive) {
17633 if (appData.autoCallFlag &&
17634 gameMode == IcsPlayingWhite && !whiteFlag) {
17635 SendToICS(ics_prefix);
17636 SendToICS("flag\n");
17640 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17642 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17643 if (appData.autoCallFlag) {
17644 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17655 CheckTimeControl ()
17657 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17658 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17661 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17663 if ( !WhiteOnMove(forwardMostMove) ) {
17664 /* White made time control */
17665 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17666 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17667 /* [HGM] time odds: correct new time quota for time odds! */
17668 / WhitePlayer()->timeOdds;
17669 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17671 lastBlack -= blackTimeRemaining;
17672 /* Black made time control */
17673 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17674 / WhitePlayer()->other->timeOdds;
17675 lastWhite = whiteTimeRemaining;
17680 DisplayBothClocks ()
17682 int wom = gameMode == EditPosition ?
17683 !blackPlaysFirst : WhiteOnMove(currentMove);
17684 DisplayWhiteClock(whiteTimeRemaining, wom);
17685 DisplayBlackClock(blackTimeRemaining, !wom);
17689 /* Timekeeping seems to be a portability nightmare. I think everyone
17690 has ftime(), but I'm really not sure, so I'm including some ifdefs
17691 to use other calls if you don't. Clocks will be less accurate if
17692 you have neither ftime nor gettimeofday.
17695 /* VS 2008 requires the #include outside of the function */
17696 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17697 #include <sys/timeb.h>
17700 /* Get the current time as a TimeMark */
17702 GetTimeMark (TimeMark *tm)
17704 #if HAVE_GETTIMEOFDAY
17706 struct timeval timeVal;
17707 struct timezone timeZone;
17709 gettimeofday(&timeVal, &timeZone);
17710 tm->sec = (long) timeVal.tv_sec;
17711 tm->ms = (int) (timeVal.tv_usec / 1000L);
17713 #else /*!HAVE_GETTIMEOFDAY*/
17716 // include <sys/timeb.h> / moved to just above start of function
17717 struct timeb timeB;
17720 tm->sec = (long) timeB.time;
17721 tm->ms = (int) timeB.millitm;
17723 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17724 tm->sec = (long) time(NULL);
17730 /* Return the difference in milliseconds between two
17731 time marks. We assume the difference will fit in a long!
17734 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17736 return 1000L*(tm2->sec - tm1->sec) +
17737 (long) (tm2->ms - tm1->ms);
17742 * Code to manage the game clocks.
17744 * In tournament play, black starts the clock and then white makes a move.
17745 * We give the human user a slight advantage if he is playing white---the
17746 * clocks don't run until he makes his first move, so it takes zero time.
17747 * Also, we don't account for network lag, so we could get out of sync
17748 * with GNU Chess's clock -- but then, referees are always right.
17751 static TimeMark tickStartTM;
17752 static long intendedTickLength;
17755 NextTickLength (long timeRemaining)
17757 long nominalTickLength, nextTickLength;
17759 if (timeRemaining > 0L && timeRemaining <= 10000L)
17760 nominalTickLength = 100L;
17762 nominalTickLength = 1000L;
17763 nextTickLength = timeRemaining % nominalTickLength;
17764 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17766 return nextTickLength;
17769 /* Adjust clock one minute up or down */
17771 AdjustClock (Boolean which, int dir)
17773 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17774 if(which) blackTimeRemaining += 60000*dir;
17775 else whiteTimeRemaining += 60000*dir;
17776 DisplayBothClocks();
17777 adjustedClock = TRUE;
17780 /* Stop clocks and reset to a fresh time control */
17784 (void) StopClockTimer();
17785 if (appData.icsActive) {
17786 whiteTimeRemaining = blackTimeRemaining = 0;
17787 } else if (searchTime) {
17788 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17789 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17790 } else { /* [HGM] correct new time quote for time odds */
17791 whiteTC = blackTC = fullTimeControlString;
17792 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17793 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17795 if (whiteFlag || blackFlag) {
17797 whiteFlag = blackFlag = FALSE;
17799 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17800 DisplayBothClocks();
17801 adjustedClock = FALSE;
17804 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17806 /* Decrement running clock by amount of time that has passed */
17810 long timeRemaining;
17811 long lastTickLength, fudge;
17814 if (!appData.clockMode) return;
17815 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17819 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17821 /* Fudge if we woke up a little too soon */
17822 fudge = intendedTickLength - lastTickLength;
17823 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17825 if (WhiteOnMove(forwardMostMove)) {
17826 if(whiteNPS >= 0) lastTickLength = 0;
17827 timeRemaining = whiteTimeRemaining -= lastTickLength;
17828 if(timeRemaining < 0 && !appData.icsActive) {
17829 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17830 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17831 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17832 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17835 DisplayWhiteClock(whiteTimeRemaining - fudge,
17836 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17838 if(blackNPS >= 0) lastTickLength = 0;
17839 timeRemaining = blackTimeRemaining -= lastTickLength;
17840 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17841 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17843 blackStartMove = forwardMostMove;
17844 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17847 DisplayBlackClock(blackTimeRemaining - fudge,
17848 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17850 if (CheckFlags()) return;
17852 if(twoBoards) { // count down secondary board's clocks as well
17853 activePartnerTime -= lastTickLength;
17855 if(activePartner == 'W')
17856 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17858 DisplayBlackClock(activePartnerTime, TRUE);
17863 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17864 StartClockTimer(intendedTickLength);
17866 /* if the time remaining has fallen below the alarm threshold, sound the
17867 * alarm. if the alarm has sounded and (due to a takeback or time control
17868 * with increment) the time remaining has increased to a level above the
17869 * threshold, reset the alarm so it can sound again.
17872 if (appData.icsActive && appData.icsAlarm) {
17874 /* make sure we are dealing with the user's clock */
17875 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17876 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17879 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17880 alarmSounded = FALSE;
17881 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17883 alarmSounded = TRUE;
17889 /* A player has just moved, so stop the previously running
17890 clock and (if in clock mode) start the other one.
17891 We redisplay both clocks in case we're in ICS mode, because
17892 ICS gives us an update to both clocks after every move.
17893 Note that this routine is called *after* forwardMostMove
17894 is updated, so the last fractional tick must be subtracted
17895 from the color that is *not* on move now.
17898 SwitchClocks (int newMoveNr)
17900 long lastTickLength;
17902 int flagged = FALSE;
17906 if (StopClockTimer() && appData.clockMode) {
17907 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17908 if (!WhiteOnMove(forwardMostMove)) {
17909 if(blackNPS >= 0) lastTickLength = 0;
17910 blackTimeRemaining -= lastTickLength;
17911 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17912 // if(pvInfoList[forwardMostMove].time == -1)
17913 pvInfoList[forwardMostMove].time = // use GUI time
17914 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17916 if(whiteNPS >= 0) lastTickLength = 0;
17917 whiteTimeRemaining -= lastTickLength;
17918 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17919 // if(pvInfoList[forwardMostMove].time == -1)
17920 pvInfoList[forwardMostMove].time =
17921 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17923 flagged = CheckFlags();
17925 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17926 CheckTimeControl();
17928 if (flagged || !appData.clockMode) return;
17930 switch (gameMode) {
17931 case MachinePlaysBlack:
17932 case MachinePlaysWhite:
17933 case BeginningOfGame:
17934 if (pausing) return;
17938 case PlayFromGameFile:
17946 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17947 if(WhiteOnMove(forwardMostMove))
17948 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17949 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17953 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17954 whiteTimeRemaining : blackTimeRemaining);
17955 StartClockTimer(intendedTickLength);
17959 /* Stop both clocks */
17963 long lastTickLength;
17966 if (!StopClockTimer()) return;
17967 if (!appData.clockMode) return;
17971 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17972 if (WhiteOnMove(forwardMostMove)) {
17973 if(whiteNPS >= 0) lastTickLength = 0;
17974 whiteTimeRemaining -= lastTickLength;
17975 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17977 if(blackNPS >= 0) lastTickLength = 0;
17978 blackTimeRemaining -= lastTickLength;
17979 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17984 /* Start clock of player on move. Time may have been reset, so
17985 if clock is already running, stop and restart it. */
17989 (void) StopClockTimer(); /* in case it was running already */
17990 DisplayBothClocks();
17991 if (CheckFlags()) return;
17993 if (!appData.clockMode) return;
17994 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17996 GetTimeMark(&tickStartTM);
17997 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17998 whiteTimeRemaining : blackTimeRemaining);
18000 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18001 whiteNPS = blackNPS = -1;
18002 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18003 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18004 whiteNPS = first.nps;
18005 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18006 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18007 blackNPS = first.nps;
18008 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18009 whiteNPS = second.nps;
18010 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18011 blackNPS = second.nps;
18012 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18014 StartClockTimer(intendedTickLength);
18018 TimeString (long ms)
18020 long second, minute, hour, day;
18022 static char buf[32];
18024 if (ms > 0 && ms <= 9900) {
18025 /* convert milliseconds to tenths, rounding up */
18026 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18028 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18032 /* convert milliseconds to seconds, rounding up */
18033 /* use floating point to avoid strangeness of integer division
18034 with negative dividends on many machines */
18035 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18042 day = second / (60 * 60 * 24);
18043 second = second % (60 * 60 * 24);
18044 hour = second / (60 * 60);
18045 second = second % (60 * 60);
18046 minute = second / 60;
18047 second = second % 60;
18050 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
18051 sign, day, hour, minute, second);
18053 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
18055 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
18062 * This is necessary because some C libraries aren't ANSI C compliant yet.
18065 StrStr (char *string, char *match)
18069 length = strlen(match);
18071 for (i = strlen(string) - length; i >= 0; i--, string++)
18072 if (!strncmp(match, string, length))
18079 StrCaseStr (char *string, char *match)
18083 length = strlen(match);
18085 for (i = strlen(string) - length; i >= 0; i--, string++) {
18086 for (j = 0; j < length; j++) {
18087 if (ToLower(match[j]) != ToLower(string[j]))
18090 if (j == length) return string;
18098 StrCaseCmp (char *s1, char *s2)
18103 c1 = ToLower(*s1++);
18104 c2 = ToLower(*s2++);
18105 if (c1 > c2) return 1;
18106 if (c1 < c2) return -1;
18107 if (c1 == NULLCHAR) return 0;
18115 return isupper(c) ? tolower(c) : c;
18122 return islower(c) ? toupper(c) : c;
18124 #endif /* !_amigados */
18131 if ((ret = (char *) malloc(strlen(s) + 1)))
18133 safeStrCpy(ret, s, strlen(s)+1);
18139 StrSavePtr (char *s, char **savePtr)
18144 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18145 safeStrCpy(*savePtr, s, strlen(s)+1);
18157 clock = time((time_t *)NULL);
18158 tm = localtime(&clock);
18159 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18160 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18161 return StrSave(buf);
18166 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18168 int i, j, fromX, fromY, toX, toY;
18169 int whiteToPlay, haveRights = nrCastlingRights;
18175 whiteToPlay = (gameMode == EditPosition) ?
18176 !blackPlaysFirst : (move % 2 == 0);
18179 /* Piece placement data */
18180 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18181 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18183 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18184 if (boards[move][i][j] == EmptySquare) {
18186 } else { ChessSquare piece = boards[move][i][j];
18187 if (emptycount > 0) {
18188 if(emptycount<10) /* [HGM] can be >= 10 */
18189 *p++ = '0' + emptycount;
18190 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18193 if(PieceToChar(piece) == '+') {
18194 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18196 piece = (ChessSquare)(CHUDEMOTED(piece));
18198 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18199 if(*p = PieceSuffix(piece)) p++;
18201 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18202 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18207 if (emptycount > 0) {
18208 if(emptycount<10) /* [HGM] can be >= 10 */
18209 *p++ = '0' + emptycount;
18210 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18217 /* [HGM] print Crazyhouse or Shogi holdings */
18218 if( gameInfo.holdingsWidth ) {
18219 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18221 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18222 piece = boards[move][i][BOARD_WIDTH-1];
18223 if( piece != EmptySquare )
18224 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18225 *p++ = PieceToChar(piece);
18227 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18228 piece = boards[move][BOARD_HEIGHT-i-1][0];
18229 if( piece != EmptySquare )
18230 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18231 *p++ = PieceToChar(piece);
18234 if( q == p ) *p++ = '-';
18240 *p++ = whiteToPlay ? 'w' : 'b';
18243 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18244 haveRights = 0; q = p;
18245 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18246 piece = boards[move][0][i];
18247 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18248 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18251 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18252 piece = boards[move][BOARD_HEIGHT-1][i];
18253 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18254 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18257 if(p == q) *p++ = '-';
18261 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18264 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18267 int handW=0, handB=0;
18268 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18269 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18270 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18273 if(appData.fischerCastling) {
18274 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18275 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18276 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18278 /* [HGM] write directly from rights */
18279 if(boards[move][CASTLING][2] != NoRights &&
18280 boards[move][CASTLING][0] != NoRights )
18281 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18282 if(boards[move][CASTLING][2] != NoRights &&
18283 boards[move][CASTLING][1] != NoRights )
18284 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18287 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18288 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18290 if(boards[move][CASTLING][5] != NoRights &&
18291 boards[move][CASTLING][3] != NoRights )
18292 *p++ = boards[move][CASTLING][3] + AAA;
18293 if(boards[move][CASTLING][5] != NoRights &&
18294 boards[move][CASTLING][4] != NoRights )
18295 *p++ = boards[move][CASTLING][4] + AAA;
18299 /* [HGM] write true castling rights */
18300 if( nrCastlingRights == 6 ) {
18302 if(boards[move][CASTLING][0] != NoRights &&
18303 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18304 q = (boards[move][CASTLING][1] != NoRights &&
18305 boards[move][CASTLING][2] != NoRights );
18306 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18307 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18308 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18309 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18313 if(boards[move][CASTLING][3] != NoRights &&
18314 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18315 q = (boards[move][CASTLING][4] != NoRights &&
18316 boards[move][CASTLING][5] != NoRights );
18318 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18319 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18320 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18325 if (q == p) *p++ = '-'; /* No castling rights */
18329 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18330 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18331 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18332 /* En passant target square */
18333 if (move > backwardMostMove) {
18334 fromX = moveList[move - 1][0] - AAA;
18335 fromY = moveList[move - 1][1] - ONE;
18336 toX = moveList[move - 1][2] - AAA;
18337 toY = moveList[move - 1][3] - ONE;
18338 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18339 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18340 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18342 /* 2-square pawn move just happened */
18344 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18348 } else if(move == backwardMostMove) {
18349 // [HGM] perhaps we should always do it like this, and forget the above?
18350 if((signed char)boards[move][EP_STATUS] >= 0) {
18351 *p++ = boards[move][EP_STATUS] + AAA;
18352 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18364 { int i = 0, j=move;
18366 /* [HGM] find reversible plies */
18367 if (appData.debugMode) { int k;
18368 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18369 for(k=backwardMostMove; k<=forwardMostMove; k++)
18370 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18374 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18375 if( j == backwardMostMove ) i += initialRulePlies;
18376 sprintf(p, "%d ", i);
18377 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18379 /* Fullmove number */
18380 sprintf(p, "%d", (move / 2) + 1);
18381 } else *--p = NULLCHAR;
18383 return StrSave(buf);
18387 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18389 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18391 int emptycount, virgin[BOARD_FILES];
18392 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18396 /* Piece placement data */
18397 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18400 if (*p == '/' || *p == ' ' || *p == '[' ) {
18402 emptycount = gameInfo.boardWidth - j;
18403 while (emptycount--)
18404 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18405 if (*p == '/') p++;
18406 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18407 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18408 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18410 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18413 #if(BOARD_FILES >= 10)*0
18414 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18415 p++; emptycount=10;
18416 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18417 while (emptycount--)
18418 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18420 } else if (*p == '*') {
18421 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18422 } else if (isdigit(*p)) {
18423 emptycount = *p++ - '0';
18424 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18425 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18426 while (emptycount--)
18427 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18428 } else if (*p == '<') {
18429 if(i == BOARD_HEIGHT-1) shuffle = 1;
18430 else if (i != 0 || !shuffle) return FALSE;
18432 } else if (shuffle && *p == '>') {
18433 p++; // for now ignore closing shuffle range, and assume rank-end
18434 } else if (*p == '?') {
18435 if (j >= gameInfo.boardWidth) return FALSE;
18436 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18437 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18438 } else if (*p == '+' || isalpha(*p)) {
18439 char *q, *s = SUFFIXES;
18440 if (j >= gameInfo.boardWidth) return FALSE;
18443 if(q = strchr(s, p[1])) p++;
18444 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18445 if(piece == EmptySquare) return FALSE; /* unknown piece */
18446 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18447 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18450 if(q = strchr(s, *p)) p++;
18451 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18454 if(piece==EmptySquare) return FALSE; /* unknown piece */
18455 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18456 piece = (ChessSquare) (PROMOTED(piece));
18457 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18460 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18461 if(piece == king) wKingRank = i;
18462 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18468 while (*p == '/' || *p == ' ') p++;
18470 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18472 /* [HGM] by default clear Crazyhouse holdings, if present */
18473 if(gameInfo.holdingsWidth) {
18474 for(i=0; i<BOARD_HEIGHT; i++) {
18475 board[i][0] = EmptySquare; /* black holdings */
18476 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18477 board[i][1] = (ChessSquare) 0; /* black counts */
18478 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18482 /* [HGM] look for Crazyhouse holdings here */
18483 while(*p==' ') p++;
18484 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18485 int swap=0, wcnt=0, bcnt=0;
18487 if(*p == '<') swap++, p++;
18488 if(*p == '-' ) p++; /* empty holdings */ else {
18489 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18490 /* if we would allow FEN reading to set board size, we would */
18491 /* have to add holdings and shift the board read so far here */
18492 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18494 if((int) piece >= (int) BlackPawn ) {
18495 i = (int)piece - (int)BlackPawn;
18496 i = PieceToNumber((ChessSquare)i);
18497 if( i >= gameInfo.holdingsSize ) return FALSE;
18498 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18499 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18502 i = (int)piece - (int)WhitePawn;
18503 i = PieceToNumber((ChessSquare)i);
18504 if( i >= gameInfo.holdingsSize ) return FALSE;
18505 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18506 board[i][BOARD_WIDTH-2]++; /* black holdings */
18510 if(subst) { // substitute back-rank question marks by holdings pieces
18511 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18512 int k, m, n = bcnt + 1;
18513 if(board[0][j] == ClearBoard) {
18514 if(!wcnt) return FALSE;
18516 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18517 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18518 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18522 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18523 if(!bcnt) return FALSE;
18524 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18525 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18526 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18527 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18538 if(subst) return FALSE; // substitution requested, but no holdings
18540 while(*p == ' ') p++;
18544 if(appData.colorNickNames) {
18545 if( c == appData.colorNickNames[0] ) c = 'w'; else
18546 if( c == appData.colorNickNames[1] ) c = 'b';
18550 *blackPlaysFirst = FALSE;
18553 *blackPlaysFirst = TRUE;
18559 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18560 /* return the extra info in global variiables */
18562 while(*p==' ') p++;
18564 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18565 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18566 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18569 /* set defaults in case FEN is incomplete */
18570 board[EP_STATUS] = EP_UNKNOWN;
18571 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18572 for(i=0; i<nrCastlingRights; i++ ) {
18573 board[CASTLING][i] =
18574 appData.fischerCastling ? NoRights : initialRights[i];
18575 } /* assume possible unless obviously impossible */
18576 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18577 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18578 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18579 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18580 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18581 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18582 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18583 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18586 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18589 while(isalpha(*p)) {
18590 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18591 if(islower(*p)) b |= 1 << (*p++ - 'a');
18595 board[TOUCHED_W] = ~w;
18596 board[TOUCHED_B] = ~b;
18597 while(*p == ' ') p++;
18601 if(nrCastlingRights) {
18603 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18604 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18605 /* castling indicator present, so default becomes no castlings */
18606 for(i=0; i<nrCastlingRights; i++ ) {
18607 board[CASTLING][i] = NoRights;
18610 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18611 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18612 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18613 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18614 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18616 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18617 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18618 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18620 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18621 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18622 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18623 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18624 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18625 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18628 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18629 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18630 board[CASTLING][2] = whiteKingFile;
18631 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18632 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18633 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18636 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18637 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18638 board[CASTLING][2] = whiteKingFile;
18639 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18640 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18641 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18644 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18645 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18646 board[CASTLING][5] = blackKingFile;
18647 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18648 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18649 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18652 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18653 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18654 board[CASTLING][5] = blackKingFile;
18655 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18656 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18657 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18660 default: /* FRC castlings */
18661 if(c >= 'a') { /* black rights */
18662 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18663 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18664 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18665 if(i == BOARD_RGHT) break;
18666 board[CASTLING][5] = i;
18668 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18669 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18671 board[CASTLING][3] = c;
18673 board[CASTLING][4] = c;
18674 } else { /* white rights */
18675 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18676 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18677 if(board[0][i] == WhiteKing) break;
18678 if(i == BOARD_RGHT) break;
18679 board[CASTLING][2] = i;
18680 c -= AAA - 'a' + 'A';
18681 if(board[0][c] >= WhiteKing) break;
18683 board[CASTLING][0] = c;
18685 board[CASTLING][1] = c;
18689 for(i=0; i<nrCastlingRights; i++)
18690 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18691 if(gameInfo.variant == VariantSChess)
18692 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18693 if(fischer && shuffle) appData.fischerCastling = TRUE;
18694 if (appData.debugMode) {
18695 fprintf(debugFP, "FEN castling rights:");
18696 for(i=0; i<nrCastlingRights; i++)
18697 fprintf(debugFP, " %d", board[CASTLING][i]);
18698 fprintf(debugFP, "\n");
18701 while(*p==' ') p++;
18704 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18706 /* read e.p. field in games that know e.p. capture */
18707 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18708 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18709 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18711 p++; board[EP_STATUS] = EP_NONE;
18713 char c = *p++ - AAA;
18715 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18716 if(*p >= '0' && *p <='9') p++;
18717 board[EP_STATUS] = c;
18722 if(sscanf(p, "%d", &i) == 1) {
18723 FENrulePlies = i; /* 50-move ply counter */
18724 /* (The move number is still ignored) */
18731 EditPositionPasteFEN (char *fen)
18734 Board initial_position;
18736 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18737 DisplayError(_("Bad FEN position in clipboard"), 0);
18740 int savedBlackPlaysFirst = blackPlaysFirst;
18741 EditPositionEvent();
18742 blackPlaysFirst = savedBlackPlaysFirst;
18743 CopyBoard(boards[0], initial_position);
18744 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18745 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18746 DisplayBothClocks();
18747 DrawPosition(FALSE, boards[currentMove]);
18752 static char cseq[12] = "\\ ";
18755 set_cont_sequence (char *new_seq)
18760 // handle bad attempts to set the sequence
18762 return 0; // acceptable error - no debug
18764 len = strlen(new_seq);
18765 ret = (len > 0) && (len < sizeof(cseq));
18767 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18768 else if (appData.debugMode)
18769 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18774 reformat a source message so words don't cross the width boundary. internal
18775 newlines are not removed. returns the wrapped size (no null character unless
18776 included in source message). If dest is NULL, only calculate the size required
18777 for the dest buffer. lp argument indicats line position upon entry, and it's
18778 passed back upon exit.
18781 wrap (char *dest, char *src, int count, int width, int *lp)
18783 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18785 cseq_len = strlen(cseq);
18786 old_line = line = *lp;
18787 ansi = len = clen = 0;
18789 for (i=0; i < count; i++)
18791 if (src[i] == '\033')
18794 // if we hit the width, back up
18795 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18797 // store i & len in case the word is too long
18798 old_i = i, old_len = len;
18800 // find the end of the last word
18801 while (i && src[i] != ' ' && src[i] != '\n')
18807 // word too long? restore i & len before splitting it
18808 if ((old_i-i+clen) >= width)
18815 if (i && src[i-1] == ' ')
18818 if (src[i] != ' ' && src[i] != '\n')
18825 // now append the newline and continuation sequence
18830 strncpy(dest+len, cseq, cseq_len);
18838 dest[len] = src[i];
18842 if (src[i] == '\n')
18847 if (dest && appData.debugMode)
18849 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18850 count, width, line, len, *lp);
18851 show_bytes(debugFP, src, count);
18852 fprintf(debugFP, "\ndest: ");
18853 show_bytes(debugFP, dest, len);
18854 fprintf(debugFP, "\n");
18856 *lp = dest ? line : old_line;
18861 // [HGM] vari: routines for shelving variations
18862 Boolean modeRestore = FALSE;
18865 PushInner (int firstMove, int lastMove)
18867 int i, j, nrMoves = lastMove - firstMove;
18869 // push current tail of game on stack
18870 savedResult[storedGames] = gameInfo.result;
18871 savedDetails[storedGames] = gameInfo.resultDetails;
18872 gameInfo.resultDetails = NULL;
18873 savedFirst[storedGames] = firstMove;
18874 savedLast [storedGames] = lastMove;
18875 savedFramePtr[storedGames] = framePtr;
18876 framePtr -= nrMoves; // reserve space for the boards
18877 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18878 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18879 for(j=0; j<MOVE_LEN; j++)
18880 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18881 for(j=0; j<2*MOVE_LEN; j++)
18882 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18883 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18884 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18885 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18886 pvInfoList[firstMove+i-1].depth = 0;
18887 commentList[framePtr+i] = commentList[firstMove+i];
18888 commentList[firstMove+i] = NULL;
18892 forwardMostMove = firstMove; // truncate game so we can start variation
18896 PushTail (int firstMove, int lastMove)
18898 if(appData.icsActive) { // only in local mode
18899 forwardMostMove = currentMove; // mimic old ICS behavior
18902 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18904 PushInner(firstMove, lastMove);
18905 if(storedGames == 1) GreyRevert(FALSE);
18906 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18910 PopInner (Boolean annotate)
18913 char buf[8000], moveBuf[20];
18915 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18916 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18917 nrMoves = savedLast[storedGames] - currentMove;
18920 if(!WhiteOnMove(currentMove))
18921 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18922 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18923 for(i=currentMove; i<forwardMostMove; i++) {
18925 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18926 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18927 strcat(buf, moveBuf);
18928 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18929 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18933 for(i=1; i<=nrMoves; i++) { // copy last variation back
18934 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18935 for(j=0; j<MOVE_LEN; j++)
18936 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18937 for(j=0; j<2*MOVE_LEN; j++)
18938 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18939 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18940 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18941 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18942 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18943 commentList[currentMove+i] = commentList[framePtr+i];
18944 commentList[framePtr+i] = NULL;
18946 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18947 framePtr = savedFramePtr[storedGames];
18948 gameInfo.result = savedResult[storedGames];
18949 if(gameInfo.resultDetails != NULL) {
18950 free(gameInfo.resultDetails);
18952 gameInfo.resultDetails = savedDetails[storedGames];
18953 forwardMostMove = currentMove + nrMoves;
18957 PopTail (Boolean annotate)
18959 if(appData.icsActive) return FALSE; // only in local mode
18960 if(!storedGames) return FALSE; // sanity
18961 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18963 PopInner(annotate);
18964 if(currentMove < forwardMostMove) ForwardEvent(); else
18965 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18967 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18973 { // remove all shelved variations
18975 for(i=0; i<storedGames; i++) {
18976 if(savedDetails[i])
18977 free(savedDetails[i]);
18978 savedDetails[i] = NULL;
18980 for(i=framePtr; i<MAX_MOVES; i++) {
18981 if(commentList[i]) free(commentList[i]);
18982 commentList[i] = NULL;
18984 framePtr = MAX_MOVES-1;
18989 LoadVariation (int index, char *text)
18990 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18991 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18992 int level = 0, move;
18994 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18995 // first find outermost bracketing variation
18996 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18997 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18998 if(*p == '{') wait = '}'; else
18999 if(*p == '[') wait = ']'; else
19000 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19001 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19003 if(*p == wait) wait = NULLCHAR; // closing ]} found
19006 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19007 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19008 end[1] = NULLCHAR; // clip off comment beyond variation
19009 ToNrEvent(currentMove-1);
19010 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19011 // kludge: use ParsePV() to append variation to game
19012 move = currentMove;
19013 ParsePV(start, TRUE, TRUE);
19014 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19015 ClearPremoveHighlights();
19017 ToNrEvent(currentMove+1);
19023 char *p, *q, buf[MSG_SIZ];
19024 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19025 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
19026 ParseArgsFromString(buf);
19027 ActivateTheme(TRUE); // also redo colors
19031 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19034 q = appData.themeNames;
19035 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
19036 if(appData.useBitmaps) {
19037 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
19038 appData.liteBackTextureFile, appData.darkBackTextureFile,
19039 appData.liteBackTextureMode,
19040 appData.darkBackTextureMode );
19042 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
19043 Col2Text(2), // lightSquareColor
19044 Col2Text(3) ); // darkSquareColor
19046 if(appData.useBorder) {
19047 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
19050 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
19052 if(appData.useFont) {
19053 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19054 appData.renderPiecesWithFont,
19055 appData.fontToPieceTable,
19056 Col2Text(9), // appData.fontBackColorWhite
19057 Col2Text(10) ); // appData.fontForeColorBlack
19059 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
19060 appData.pieceDirectory);
19061 if(!appData.pieceDirectory[0])
19062 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
19063 Col2Text(0), // whitePieceColor
19064 Col2Text(1) ); // blackPieceColor
19066 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19067 Col2Text(4), // highlightSquareColor
19068 Col2Text(5) ); // premoveHighlightColor
19069 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19070 if(insert != q) insert[-1] = NULLCHAR;
19071 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19074 ActivateTheme(FALSE);