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 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
315 /* see for example: https://buildsecurityin.us-cert.gov/bsi-rules/home/g1/854-BSI.html
317 * usage: safeStrCpy( stringA, stringB, sizeof(stringA)/sizeof(stringA[0]);
320 assert( dst != NULL );
321 assert( src != NULL );
324 strncpy( dst, src, count );
325 if( dst[ count-1 ] != '\0' )
327 if(appData.debugMode)
328 printf("safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
330 dst[ count-1 ] = '\0';
335 /* Some compiler can't cast u64 to double
336 * This function do the job for us:
338 * We use the highest bit for cast, this only
339 * works if the highest bit is not
340 * in use (This should not happen)
342 * We used this for all compiler
345 u64ToDouble(u64 value)
348 u64 tmp = value & u64Const(0x7fffffffffffffff);
349 r = (double)(s64)tmp;
350 if (value & u64Const(0x8000000000000000))
351 r += 9.2233720368547758080e18; /* 2^63 */
355 /* Fake up flags for now, as we aren't keeping track of castling
356 availability yet. [HGM] Change of logic: the flag now only
357 indicates the type of castlings allowed by the rule of the game.
358 The actual rights themselves are maintained in the array
359 castlingRights, as part of the game history, and are not probed
365 int flags = F_ALL_CASTLE_OK;
366 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
367 switch (gameInfo.variant) {
369 flags &= ~F_ALL_CASTLE_OK;
370 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
371 flags |= F_IGNORE_CHECK;
373 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
376 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
378 case VariantKriegspiel:
379 flags |= F_KRIEGSPIEL_CAPTURE;
381 case VariantCapaRandom:
382 case VariantFischeRandom:
383 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
384 case VariantNoCastle:
385 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP;
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
455 int sending_ICS_login = 0;
456 int sending_ICS_password = 0;
459 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
460 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
461 long timeControl_2; /* [AS] Allow separate time controls */
462 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
463 long timeRemaining[2][MAX_MOVES];
465 TimeMark programStartTime;
466 char ics_handle[MSG_SIZ];
467 int have_set_title = 0;
469 /* animateTraining preserves the state of appData.animate
470 * when Training mode is activated. This allows the
471 * response to be animated when appData.animate == TRUE and
472 * appData.animateDragging == TRUE.
474 Boolean animateTraining;
480 Board boards[MAX_MOVES];
481 /* [HGM] Following 7 needed for accurate legality tests: */
482 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
483 signed char initialRights[BOARD_FILES];
484 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
485 int initialRulePlies, FENrulePlies;
486 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
489 int mute; // mute all sounds
491 // [HGM] vari: next 12 to save and restore variations
492 #define MAX_VARIATIONS 10
493 int framePtr = MAX_MOVES-1; // points to free stack entry
495 int savedFirst[MAX_VARIATIONS];
496 int savedLast[MAX_VARIATIONS];
497 int savedFramePtr[MAX_VARIATIONS];
498 char *savedDetails[MAX_VARIATIONS];
499 ChessMove savedResult[MAX_VARIATIONS];
501 void PushTail P((int firstMove, int lastMove));
502 Boolean PopTail P((Boolean annotate));
503 void CleanupTail P((void));
505 ChessSquare FIDEArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackBishop, BlackKnight, BlackRook }
512 ChessSquare twoKingsArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackKing, BlackKnight, BlackRook }
519 ChessSquare KnightmateArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
521 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
522 { BlackRook, BlackMan, BlackBishop, BlackQueen,
523 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
526 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
530 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
533 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
534 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
535 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
536 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
537 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
540 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
542 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackMan, BlackFerz,
544 BlackKing, BlackMan, BlackKnight, BlackRook }
548 #if (BOARD_FILES>=10)
549 ChessSquare ShogiArray[2][BOARD_FILES] = {
550 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
551 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
552 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
553 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
556 ChessSquare XiangqiArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
558 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
560 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
563 ChessSquare CapablancaArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
565 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
567 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
570 ChessSquare GreatArray[2][BOARD_FILES] = {
571 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
572 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
573 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
574 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
577 ChessSquare JanusArray[2][BOARD_FILES] = {
578 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
579 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
580 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
581 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
585 ChessSquare GothicArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
587 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
589 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
592 #define GothicArray CapablancaArray
596 ChessSquare FalconArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
598 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
600 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
603 #define FalconArray CapablancaArray
606 #else // !(BOARD_FILES>=10)
607 #define XiangqiPosition FIDEArray
608 #define CapablancaArray FIDEArray
609 #define GothicArray FIDEArray
610 #define GreatArray FIDEArray
611 #endif // !(BOARD_FILES>=10)
613 #if (BOARD_FILES>=12)
614 ChessSquare CourierArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
616 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
618 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
620 #else // !(BOARD_FILES>=12)
621 #define CourierArray CapablancaArray
622 #endif // !(BOARD_FILES>=12)
625 Board initialPosition;
628 /* Convert str to a rating. Checks for special cases of "----",
630 "++++", etc. Also strips ()'s */
632 string_to_rating(str)
635 while(*str && !isdigit(*str)) ++str;
637 return 0; /* One of the special "no rating" cases */
645 /* Init programStats */
646 programStats.movelist[0] = 0;
647 programStats.depth = 0;
648 programStats.nr_moves = 0;
649 programStats.moves_left = 0;
650 programStats.nodes = 0;
651 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
652 programStats.score = 0;
653 programStats.got_only_move = 0;
654 programStats.got_fail = 0;
655 programStats.line_is_book = 0;
661 int matched, min, sec;
663 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
664 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
666 GetTimeMark(&programStartTime);
667 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
670 programStats.ok_to_send = 1;
671 programStats.seen_stat = 0;
674 * Initialize game list
680 * Internet chess server status
682 if (appData.icsActive) {
683 appData.matchMode = FALSE;
684 appData.matchGames = 0;
686 appData.noChessProgram = !appData.zippyPlay;
688 appData.zippyPlay = FALSE;
689 appData.zippyTalk = FALSE;
690 appData.noChessProgram = TRUE;
692 if (*appData.icsHelper != NULLCHAR) {
693 appData.useTelnet = TRUE;
694 appData.telnetProgram = appData.icsHelper;
697 appData.zippyTalk = appData.zippyPlay = FALSE;
700 /* [AS] Initialize pv info list [HGM] and game state */
704 for( i=0; i<=framePtr; i++ ) {
705 pvInfoList[i].depth = -1;
706 boards[i][EP_STATUS] = EP_NONE;
707 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
712 * Parse timeControl resource
714 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
715 appData.movesPerSession)) {
717 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
718 DisplayFatalError(buf, 0, 2);
722 * Parse searchTime resource
724 if (*appData.searchTime != NULLCHAR) {
725 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
727 searchTime = min * 60;
728 } else if (matched == 2) {
729 searchTime = min * 60 + sec;
732 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
733 DisplayFatalError(buf, 0, 2);
737 /* [AS] Adjudication threshold */
738 adjudicateLossThreshold = appData.adjudicateLossThreshold;
740 first.which = _("first");
741 second.which = _("second");
742 first.maybeThinking = second.maybeThinking = FALSE;
743 first.pr = second.pr = NoProc;
744 first.isr = second.isr = NULL;
745 first.sendTime = second.sendTime = 2;
746 first.sendDrawOffers = 1;
747 if (appData.firstPlaysBlack) {
748 first.twoMachinesColor = "black\n";
749 second.twoMachinesColor = "white\n";
751 first.twoMachinesColor = "white\n";
752 second.twoMachinesColor = "black\n";
754 first.program = appData.firstChessProgram;
755 second.program = appData.secondChessProgram;
756 first.host = appData.firstHost;
757 second.host = appData.secondHost;
758 first.dir = appData.firstDirectory;
759 second.dir = appData.secondDirectory;
760 first.other = &second;
761 second.other = &first;
762 first.initString = appData.initString;
763 second.initString = appData.secondInitString;
764 first.computerString = appData.firstComputerString;
765 second.computerString = appData.secondComputerString;
766 first.useSigint = second.useSigint = TRUE;
767 first.useSigterm = second.useSigterm = TRUE;
768 first.reuse = appData.reuseFirst;
769 second.reuse = appData.reuseSecond;
770 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
771 second.nps = appData.secondNPS;
772 first.useSetboard = second.useSetboard = FALSE;
773 first.useSAN = second.useSAN = FALSE;
774 first.usePing = second.usePing = FALSE;
775 first.lastPing = second.lastPing = 0;
776 first.lastPong = second.lastPong = 0;
777 first.usePlayother = second.usePlayother = FALSE;
778 first.useColors = second.useColors = TRUE;
779 first.useUsermove = second.useUsermove = FALSE;
780 first.sendICS = second.sendICS = FALSE;
781 first.sendName = second.sendName = appData.icsActive;
782 first.sdKludge = second.sdKludge = FALSE;
783 first.stKludge = second.stKludge = FALSE;
784 TidyProgramName(first.program, first.host, first.tidy);
785 TidyProgramName(second.program, second.host, second.tidy);
786 first.matchWins = second.matchWins = 0;
787 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
788 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
789 first.analysisSupport = second.analysisSupport = 2; /* detect */
790 first.analyzing = second.analyzing = FALSE;
791 first.initDone = second.initDone = FALSE;
793 /* New features added by Tord: */
794 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
795 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
796 /* End of new features added by Tord. */
797 first.fenOverride = appData.fenOverride1;
798 second.fenOverride = appData.fenOverride2;
800 /* [HGM] time odds: set factor for each machine */
801 first.timeOdds = appData.firstTimeOdds;
802 second.timeOdds = appData.secondTimeOdds;
804 if(appData.timeOddsMode) {
805 norm = first.timeOdds;
806 if(norm > second.timeOdds) norm = second.timeOdds;
808 first.timeOdds /= norm;
809 second.timeOdds /= norm;
812 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
813 first.accumulateTC = appData.firstAccumulateTC;
814 second.accumulateTC = appData.secondAccumulateTC;
815 first.maxNrOfSessions = second.maxNrOfSessions = 1;
818 first.debug = second.debug = FALSE;
819 first.supportsNPS = second.supportsNPS = UNKNOWN;
822 first.optionSettings = appData.firstOptions;
823 second.optionSettings = appData.secondOptions;
825 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
826 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
827 first.isUCI = appData.firstIsUCI; /* [AS] */
828 second.isUCI = appData.secondIsUCI; /* [AS] */
829 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
830 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
832 if (appData.firstProtocolVersion > PROTOVER
833 || appData.firstProtocolVersion < 1)
838 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
839 appData.firstProtocolVersion);
840 if( (len > MSG_SIZ) && appData.debugMode )
841 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
843 DisplayFatalError(buf, 0, 2);
847 first.protocolVersion = appData.firstProtocolVersion;
850 if (appData.secondProtocolVersion > PROTOVER
851 || appData.secondProtocolVersion < 1)
856 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
857 appData.secondProtocolVersion);
858 if( (len > MSG_SIZ) && appData.debugMode )
859 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
861 DisplayFatalError(buf, 0, 2);
865 second.protocolVersion = appData.secondProtocolVersion;
868 if (appData.icsActive) {
869 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
870 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
871 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
872 appData.clockMode = FALSE;
873 first.sendTime = second.sendTime = 0;
877 /* Override some settings from environment variables, for backward
878 compatibility. Unfortunately it's not feasible to have the env
879 vars just set defaults, at least in xboard. Ugh.
881 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
886 if (appData.noChessProgram) {
887 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
888 sprintf(programVersion, "%s", PACKAGE_STRING);
890 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
891 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
892 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
895 if (!appData.icsActive) {
899 /* Check for variants that are supported only in ICS mode,
900 or not at all. Some that are accepted here nevertheless
901 have bugs; see comments below.
903 VariantClass variant = StringToVariant(appData.variant);
905 case VariantBughouse: /* need four players and two boards */
906 case VariantKriegspiel: /* need to hide pieces and move details */
907 /* case VariantFischeRandom: (Fabien: moved below) */
908 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
909 if( (len > MSG_SIZ) && appData.debugMode )
910 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
912 DisplayFatalError(buf, 0, 2);
916 case VariantLoadable:
926 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
927 if( (len > MSG_SIZ) && appData.debugMode )
928 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
930 DisplayFatalError(buf, 0, 2);
933 case VariantXiangqi: /* [HGM] repetition rules not implemented */
934 case VariantFairy: /* [HGM] TestLegality definitely off! */
935 case VariantGothic: /* [HGM] should work */
936 case VariantCapablanca: /* [HGM] should work */
937 case VariantCourier: /* [HGM] initial forced moves not implemented */
938 case VariantShogi: /* [HGM] could still mate with pawn drop */
939 case VariantKnightmate: /* [HGM] should work */
940 case VariantCylinder: /* [HGM] untested */
941 case VariantFalcon: /* [HGM] untested */
942 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
943 offboard interposition not understood */
944 case VariantNormal: /* definitely works! */
945 case VariantWildCastle: /* pieces not automatically shuffled */
946 case VariantNoCastle: /* pieces not automatically shuffled */
947 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
948 case VariantLosers: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantSuicide: /* should work except for win condition,
951 and doesn't know captures are mandatory */
952 case VariantGiveaway: /* should work except for win condition,
953 and doesn't know captures are mandatory */
954 case VariantTwoKings: /* should work */
955 case VariantAtomic: /* should work except for win condition */
956 case Variant3Check: /* should work except for win condition */
957 case VariantShatranj: /* should work except for all win conditions */
958 case VariantMakruk: /* should work except for daw countdown */
959 case VariantBerolina: /* might work if TestLegality is off */
960 case VariantCapaRandom: /* should work */
961 case VariantJanus: /* should work */
962 case VariantSuper: /* experimental */
963 case VariantGreat: /* experimental, requires legality testing to be off */
968 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
969 InitEngineUCI( installDir, &second );
972 int NextIntegerFromString( char ** str, long * value )
977 while( *s == ' ' || *s == '\t' ) {
983 if( *s >= '0' && *s <= '9' ) {
984 while( *s >= '0' && *s <= '9' ) {
985 *value = *value * 10 + (*s - '0');
997 int NextTimeControlFromString( char ** str, long * value )
1000 int result = NextIntegerFromString( str, &temp );
1003 *value = temp * 60; /* Minutes */
1004 if( **str == ':' ) {
1006 result = NextIntegerFromString( str, &temp );
1007 *value += temp; /* Seconds */
1014 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1015 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1016 int result = -1, type = 0; long temp, temp2;
1018 if(**str != ':') return -1; // old params remain in force!
1020 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1021 if( NextIntegerFromString( str, &temp ) ) return -1;
1022 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1025 /* time only: incremental or sudden-death time control */
1026 if(**str == '+') { /* increment follows; read it */
1028 if(**str == '!') type = *(*str)++; // Bronstein TC
1029 if(result = NextIntegerFromString( str, &temp2)) return -1;
1030 *inc = temp2 * 1000;
1031 if(**str == '.') { // read fraction of increment
1032 char *start = ++(*str);
1033 if(result = NextIntegerFromString( str, &temp2)) return -1;
1035 while(start++ < *str) temp2 /= 10;
1039 *moves = 0; *tc = temp * 1000; *incType = type;
1043 (*str)++; /* classical time control */
1044 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1055 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1056 { /* [HGM] get time to add from the multi-session time-control string */
1057 int incType, moves=1; /* kludge to force reading of first session */
1058 long time, increment;
1061 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1062 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1064 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1065 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1066 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1067 if(movenr == -1) return time; /* last move before new session */
1068 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1069 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1070 if(!moves) return increment; /* current session is incremental */
1071 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1072 } while(movenr >= -1); /* try again for next session */
1074 return 0; // no new time quota on this move
1078 ParseTimeControl(tc, ti, mps)
1085 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1088 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1089 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1090 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1094 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1096 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1099 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1101 snprintf(buf, MSG_SIZ, ":%s", mytc);
1103 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1105 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1110 /* Parse second time control */
1113 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1121 timeControl_2 = tc2 * 1000;
1131 timeControl = tc1 * 1000;
1134 timeIncrement = ti * 1000; /* convert to ms */
1135 movesPerSession = 0;
1138 movesPerSession = mps;
1146 if (appData.debugMode) {
1147 fprintf(debugFP, "%s\n", programVersion);
1150 set_cont_sequence(appData.wrapContSeq);
1151 if (appData.matchGames > 0) {
1152 appData.matchMode = TRUE;
1153 } else if (appData.matchMode) {
1154 appData.matchGames = 1;
1156 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1157 appData.matchGames = appData.sameColorGames;
1158 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1159 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1160 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1163 if (appData.noChessProgram || first.protocolVersion == 1) {
1166 /* kludge: allow timeout for initial "feature" commands */
1168 DisplayMessage("", _("Starting chess program"));
1169 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1174 InitBackEnd3 P((void))
1176 GameMode initialMode;
1180 InitChessProgram(&first, startedFromSetupPosition);
1182 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1183 free(programVersion);
1184 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1185 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1188 if (appData.icsActive) {
1190 /* [DM] Make a console window if needed [HGM] merged ifs */
1196 if (*appData.icsCommPort != NULLCHAR)
1197 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1198 appData.icsCommPort);
1200 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1201 appData.icsHost, appData.icsPort);
1203 if( (len > MSG_SIZ) && appData.debugMode )
1204 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1206 DisplayFatalError(buf, err, 1);
1211 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1213 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1214 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1215 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1216 } else if (appData.noChessProgram) {
1222 if (*appData.cmailGameName != NULLCHAR) {
1224 OpenLoopback(&cmailPR);
1226 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1230 DisplayMessage("", "");
1231 if (StrCaseCmp(appData.initialMode, "") == 0) {
1232 initialMode = BeginningOfGame;
1233 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1234 initialMode = TwoMachinesPlay;
1235 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1236 initialMode = AnalyzeFile;
1237 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1238 initialMode = AnalyzeMode;
1239 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1240 initialMode = MachinePlaysWhite;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1242 initialMode = MachinePlaysBlack;
1243 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1244 initialMode = EditGame;
1245 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1246 initialMode = EditPosition;
1247 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1248 initialMode = Training;
1250 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1251 if( (len > MSG_SIZ) && appData.debugMode )
1252 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1254 DisplayFatalError(buf, 0, 2);
1258 if (appData.matchMode) {
1259 /* Set up machine vs. machine match */
1260 if (appData.noChessProgram) {
1261 DisplayFatalError(_("Can't have a match with no chess programs"),
1267 if (*appData.loadGameFile != NULLCHAR) {
1268 int index = appData.loadGameIndex; // [HGM] autoinc
1269 if(index<0) lastIndex = index = 1;
1270 if (!LoadGameFromFile(appData.loadGameFile,
1272 appData.loadGameFile, FALSE)) {
1273 DisplayFatalError(_("Bad game file"), 0, 1);
1276 } else if (*appData.loadPositionFile != NULLCHAR) {
1277 int index = appData.loadPositionIndex; // [HGM] autoinc
1278 if(index<0) lastIndex = index = 1;
1279 if (!LoadPositionFromFile(appData.loadPositionFile,
1281 appData.loadPositionFile)) {
1282 DisplayFatalError(_("Bad position file"), 0, 1);
1287 } else if (*appData.cmailGameName != NULLCHAR) {
1288 /* Set up cmail mode */
1289 ReloadCmailMsgEvent(TRUE);
1291 /* Set up other modes */
1292 if (initialMode == AnalyzeFile) {
1293 if (*appData.loadGameFile == NULLCHAR) {
1294 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1298 if (*appData.loadGameFile != NULLCHAR) {
1299 (void) LoadGameFromFile(appData.loadGameFile,
1300 appData.loadGameIndex,
1301 appData.loadGameFile, TRUE);
1302 } else if (*appData.loadPositionFile != NULLCHAR) {
1303 (void) LoadPositionFromFile(appData.loadPositionFile,
1304 appData.loadPositionIndex,
1305 appData.loadPositionFile);
1306 /* [HGM] try to make self-starting even after FEN load */
1307 /* to allow automatic setup of fairy variants with wtm */
1308 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1309 gameMode = BeginningOfGame;
1310 setboardSpoiledMachineBlack = 1;
1312 /* [HGM] loadPos: make that every new game uses the setup */
1313 /* from file as long as we do not switch variant */
1314 if(!blackPlaysFirst) {
1315 startedFromPositionFile = TRUE;
1316 CopyBoard(filePosition, boards[0]);
1319 if (initialMode == AnalyzeMode) {
1320 if (appData.noChessProgram) {
1321 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1324 if (appData.icsActive) {
1325 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1329 } else if (initialMode == AnalyzeFile) {
1330 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1331 ShowThinkingEvent();
1333 AnalysisPeriodicEvent(1);
1334 } else if (initialMode == MachinePlaysWhite) {
1335 if (appData.noChessProgram) {
1336 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1340 if (appData.icsActive) {
1341 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1345 MachineWhiteEvent();
1346 } else if (initialMode == MachinePlaysBlack) {
1347 if (appData.noChessProgram) {
1348 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1352 if (appData.icsActive) {
1353 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1357 MachineBlackEvent();
1358 } else if (initialMode == TwoMachinesPlay) {
1359 if (appData.noChessProgram) {
1360 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1364 if (appData.icsActive) {
1365 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1370 } else if (initialMode == EditGame) {
1372 } else if (initialMode == EditPosition) {
1373 EditPositionEvent();
1374 } else if (initialMode == Training) {
1375 if (*appData.loadGameFile == NULLCHAR) {
1376 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1385 * Establish will establish a contact to a remote host.port.
1386 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1387 * used to talk to the host.
1388 * Returns 0 if okay, error code if not.
1395 if (*appData.icsCommPort != NULLCHAR) {
1396 /* Talk to the host through a serial comm port */
1397 return OpenCommPort(appData.icsCommPort, &icsPR);
1399 } else if (*appData.gateway != NULLCHAR) {
1400 if (*appData.remoteShell == NULLCHAR) {
1401 /* Use the rcmd protocol to run telnet program on a gateway host */
1402 snprintf(buf, sizeof(buf), "%s %s %s",
1403 appData.telnetProgram, appData.icsHost, appData.icsPort);
1404 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1407 /* Use the rsh program to run telnet program on a gateway host */
1408 if (*appData.remoteUser == NULLCHAR) {
1409 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1410 appData.gateway, appData.telnetProgram,
1411 appData.icsHost, appData.icsPort);
1413 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1414 appData.remoteShell, appData.gateway,
1415 appData.remoteUser, appData.telnetProgram,
1416 appData.icsHost, appData.icsPort);
1418 return StartChildProcess(buf, "", &icsPR);
1421 } else if (appData.useTelnet) {
1422 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1425 /* TCP socket interface differs somewhat between
1426 Unix and NT; handle details in the front end.
1428 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1432 void EscapeExpand(char *p, char *q)
1433 { // [HGM] initstring: routine to shape up string arguments
1434 while(*p++ = *q++) if(p[-1] == '\\')
1436 case 'n': p[-1] = '\n'; break;
1437 case 'r': p[-1] = '\r'; break;
1438 case 't': p[-1] = '\t'; break;
1439 case '\\': p[-1] = '\\'; break;
1440 case 0: *p = 0; return;
1441 default: p[-1] = q[-1]; break;
1446 show_bytes(fp, buf, count)
1452 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1453 fprintf(fp, "\\%03o", *buf & 0xff);
1462 /* Returns an errno value */
1464 OutputMaybeTelnet(pr, message, count, outError)
1470 char buf[8192], *p, *q, *buflim;
1471 int left, newcount, outcount;
1473 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1474 *appData.gateway != NULLCHAR) {
1475 if (appData.debugMode) {
1476 fprintf(debugFP, ">ICS: ");
1477 show_bytes(debugFP, message, count);
1478 fprintf(debugFP, "\n");
1480 return OutputToProcess(pr, message, count, outError);
1483 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1490 if (appData.debugMode) {
1491 fprintf(debugFP, ">ICS: ");
1492 show_bytes(debugFP, buf, newcount);
1493 fprintf(debugFP, "\n");
1495 outcount = OutputToProcess(pr, buf, newcount, outError);
1496 if (outcount < newcount) return -1; /* to be sure */
1503 } else if (((unsigned char) *p) == TN_IAC) {
1504 *q++ = (char) TN_IAC;
1511 if (appData.debugMode) {
1512 fprintf(debugFP, ">ICS: ");
1513 show_bytes(debugFP, buf, newcount);
1514 fprintf(debugFP, "\n");
1516 outcount = OutputToProcess(pr, buf, newcount, outError);
1517 if (outcount < newcount) return -1; /* to be sure */
1522 read_from_player(isr, closure, message, count, error)
1529 int outError, outCount;
1530 static int gotEof = 0;
1532 /* Pass data read from player on to ICS */
1535 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1536 if (outCount < count) {
1537 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1539 } else if (count < 0) {
1540 RemoveInputSource(isr);
1541 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1542 } else if (gotEof++ > 0) {
1543 RemoveInputSource(isr);
1544 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1550 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1551 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1552 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1553 SendToICS("date\n");
1554 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1557 /* added routine for printf style output to ics */
1558 void ics_printf(char *format, ...)
1560 char buffer[MSG_SIZ];
1563 va_start(args, format);
1564 vsnprintf(buffer, sizeof(buffer), format, args);
1565 buffer[sizeof(buffer)-1] = '\0';
1574 int count, outCount, outError;
1576 if (icsPR == NULL) return;
1579 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1580 if (outCount < count) {
1581 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1585 /* This is used for sending logon scripts to the ICS. Sending
1586 without a delay causes problems when using timestamp on ICC
1587 (at least on my machine). */
1589 SendToICSDelayed(s,msdelay)
1593 int count, outCount, outError;
1595 if (icsPR == NULL) return;
1598 if (appData.debugMode) {
1599 fprintf(debugFP, ">ICS: ");
1600 show_bytes(debugFP, s, count);
1601 fprintf(debugFP, "\n");
1603 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1605 if (outCount < count) {
1606 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1611 /* Remove all highlighting escape sequences in s
1612 Also deletes any suffix starting with '('
1615 StripHighlightAndTitle(s)
1618 static char retbuf[MSG_SIZ];
1621 while (*s != NULLCHAR) {
1622 while (*s == '\033') {
1623 while (*s != NULLCHAR && !isalpha(*s)) s++;
1624 if (*s != NULLCHAR) s++;
1626 while (*s != NULLCHAR && *s != '\033') {
1627 if (*s == '(' || *s == '[') {
1638 /* Remove all highlighting escape sequences in s */
1643 static char retbuf[MSG_SIZ];
1646 while (*s != NULLCHAR) {
1647 while (*s == '\033') {
1648 while (*s != NULLCHAR && !isalpha(*s)) s++;
1649 if (*s != NULLCHAR) s++;
1651 while (*s != NULLCHAR && *s != '\033') {
1659 char *variantNames[] = VARIANT_NAMES;
1664 return variantNames[v];
1668 /* Identify a variant from the strings the chess servers use or the
1669 PGN Variant tag names we use. */
1676 VariantClass v = VariantNormal;
1677 int i, found = FALSE;
1683 /* [HGM] skip over optional board-size prefixes */
1684 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1685 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1686 while( *e++ != '_');
1689 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1693 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1694 if (StrCaseStr(e, variantNames[i])) {
1695 v = (VariantClass) i;
1702 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1703 || StrCaseStr(e, "wild/fr")
1704 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1705 v = VariantFischeRandom;
1706 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1707 (i = 1, p = StrCaseStr(e, "w"))) {
1709 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1716 case 0: /* FICS only, actually */
1718 /* Castling legal even if K starts on d-file */
1719 v = VariantWildCastle;
1724 /* Castling illegal even if K & R happen to start in
1725 normal positions. */
1726 v = VariantNoCastle;
1739 /* Castling legal iff K & R start in normal positions */
1745 /* Special wilds for position setup; unclear what to do here */
1746 v = VariantLoadable;
1749 /* Bizarre ICC game */
1750 v = VariantTwoKings;
1753 v = VariantKriegspiel;
1759 v = VariantFischeRandom;
1762 v = VariantCrazyhouse;
1765 v = VariantBughouse;
1771 /* Not quite the same as FICS suicide! */
1772 v = VariantGiveaway;
1778 v = VariantShatranj;
1781 /* Temporary names for future ICC types. The name *will* change in
1782 the next xboard/WinBoard release after ICC defines it. */
1820 v = VariantCapablanca;
1823 v = VariantKnightmate;
1829 v = VariantCylinder;
1835 v = VariantCapaRandom;
1838 v = VariantBerolina;
1850 /* Found "wild" or "w" in the string but no number;
1851 must assume it's normal chess. */
1855 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1856 if( (len > MSG_SIZ) && appData.debugMode )
1857 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1859 DisplayError(buf, 0);
1865 if (appData.debugMode) {
1866 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1867 e, wnum, VariantName(v));
1872 static int leftover_start = 0, leftover_len = 0;
1873 char star_match[STAR_MATCH_N][MSG_SIZ];
1875 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1876 advance *index beyond it, and set leftover_start to the new value of
1877 *index; else return FALSE. If pattern contains the character '*', it
1878 matches any sequence of characters not containing '\r', '\n', or the
1879 character following the '*' (if any), and the matched sequence(s) are
1880 copied into star_match.
1883 looking_at(buf, index, pattern)
1888 char *bufp = &buf[*index], *patternp = pattern;
1890 char *matchp = star_match[0];
1893 if (*patternp == NULLCHAR) {
1894 *index = leftover_start = bufp - buf;
1898 if (*bufp == NULLCHAR) return FALSE;
1899 if (*patternp == '*') {
1900 if (*bufp == *(patternp + 1)) {
1902 matchp = star_match[++star_count];
1906 } else if (*bufp == '\n' || *bufp == '\r') {
1908 if (*patternp == NULLCHAR)
1913 *matchp++ = *bufp++;
1917 if (*patternp != *bufp) return FALSE;
1924 SendToPlayer(data, length)
1928 int error, outCount;
1929 outCount = OutputToProcess(NoProc, data, length, &error);
1930 if (outCount < length) {
1931 DisplayFatalError(_("Error writing to display"), error, 1);
1936 PackHolding(packed, holding)
1948 switch (runlength) {
1959 sprintf(q, "%d", runlength);
1971 /* Telnet protocol requests from the front end */
1973 TelnetRequest(ddww, option)
1974 unsigned char ddww, option;
1976 unsigned char msg[3];
1977 int outCount, outError;
1979 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1981 if (appData.debugMode) {
1982 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1998 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2007 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2010 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2015 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2017 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2024 if (!appData.icsActive) return;
2025 TelnetRequest(TN_DO, TN_ECHO);
2031 if (!appData.icsActive) return;
2032 TelnetRequest(TN_DONT, TN_ECHO);
2036 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2038 /* put the holdings sent to us by the server on the board holdings area */
2039 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2043 if(gameInfo.holdingsWidth < 2) return;
2044 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2045 return; // prevent overwriting by pre-board holdings
2047 if( (int)lowestPiece >= BlackPawn ) {
2050 holdingsStartRow = BOARD_HEIGHT-1;
2053 holdingsColumn = BOARD_WIDTH-1;
2054 countsColumn = BOARD_WIDTH-2;
2055 holdingsStartRow = 0;
2059 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2060 board[i][holdingsColumn] = EmptySquare;
2061 board[i][countsColumn] = (ChessSquare) 0;
2063 while( (p=*holdings++) != NULLCHAR ) {
2064 piece = CharToPiece( ToUpper(p) );
2065 if(piece == EmptySquare) continue;
2066 /*j = (int) piece - (int) WhitePawn;*/
2067 j = PieceToNumber(piece);
2068 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2069 if(j < 0) continue; /* should not happen */
2070 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2071 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2072 board[holdingsStartRow+j*direction][countsColumn]++;
2078 VariantSwitch(Board board, VariantClass newVariant)
2080 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2081 static Board oldBoard;
2083 startedFromPositionFile = FALSE;
2084 if(gameInfo.variant == newVariant) return;
2086 /* [HGM] This routine is called each time an assignment is made to
2087 * gameInfo.variant during a game, to make sure the board sizes
2088 * are set to match the new variant. If that means adding or deleting
2089 * holdings, we shift the playing board accordingly
2090 * This kludge is needed because in ICS observe mode, we get boards
2091 * of an ongoing game without knowing the variant, and learn about the
2092 * latter only later. This can be because of the move list we requested,
2093 * in which case the game history is refilled from the beginning anyway,
2094 * but also when receiving holdings of a crazyhouse game. In the latter
2095 * case we want to add those holdings to the already received position.
2099 if (appData.debugMode) {
2100 fprintf(debugFP, "Switch board from %s to %s\n",
2101 VariantName(gameInfo.variant), VariantName(newVariant));
2102 setbuf(debugFP, NULL);
2104 shuffleOpenings = 0; /* [HGM] shuffle */
2105 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2109 newWidth = 9; newHeight = 9;
2110 gameInfo.holdingsSize = 7;
2111 case VariantBughouse:
2112 case VariantCrazyhouse:
2113 newHoldingsWidth = 2; break;
2117 newHoldingsWidth = 2;
2118 gameInfo.holdingsSize = 8;
2121 case VariantCapablanca:
2122 case VariantCapaRandom:
2125 newHoldingsWidth = gameInfo.holdingsSize = 0;
2128 if(newWidth != gameInfo.boardWidth ||
2129 newHeight != gameInfo.boardHeight ||
2130 newHoldingsWidth != gameInfo.holdingsWidth ) {
2132 /* shift position to new playing area, if needed */
2133 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2134 for(i=0; i<BOARD_HEIGHT; i++)
2135 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2136 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2138 for(i=0; i<newHeight; i++) {
2139 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2140 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2142 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2143 for(i=0; i<BOARD_HEIGHT; i++)
2144 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2145 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2148 gameInfo.boardWidth = newWidth;
2149 gameInfo.boardHeight = newHeight;
2150 gameInfo.holdingsWidth = newHoldingsWidth;
2151 gameInfo.variant = newVariant;
2152 InitDrawingSizes(-2, 0);
2153 } else gameInfo.variant = newVariant;
2154 CopyBoard(oldBoard, board); // remember correctly formatted board
2155 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2156 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2159 static int loggedOn = FALSE;
2161 /*-- Game start info cache: --*/
2163 char gs_kind[MSG_SIZ];
2164 static char player1Name[128] = "";
2165 static char player2Name[128] = "";
2166 static char cont_seq[] = "\n\\ ";
2167 static int player1Rating = -1;
2168 static int player2Rating = -1;
2169 /*----------------------------*/
2171 ColorClass curColor = ColorNormal;
2172 int suppressKibitz = 0;
2175 Boolean soughtPending = FALSE;
2176 Boolean seekGraphUp;
2177 #define MAX_SEEK_ADS 200
2179 char *seekAdList[MAX_SEEK_ADS];
2180 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2181 float tcList[MAX_SEEK_ADS];
2182 char colorList[MAX_SEEK_ADS];
2183 int nrOfSeekAds = 0;
2184 int minRating = 1010, maxRating = 2800;
2185 int hMargin = 10, vMargin = 20, h, w;
2186 extern int squareSize, lineGap;
2191 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2192 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2193 if(r < minRating+100 && r >=0 ) r = minRating+100;
2194 if(r > maxRating) r = maxRating;
2195 if(tc < 1.) tc = 1.;
2196 if(tc > 95.) tc = 95.;
2197 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2198 y = ((double)r - minRating)/(maxRating - minRating)
2199 * (h-vMargin-squareSize/8-1) + vMargin;
2200 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2201 if(strstr(seekAdList[i], " u ")) color = 1;
2202 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2203 !strstr(seekAdList[i], "bullet") &&
2204 !strstr(seekAdList[i], "blitz") &&
2205 !strstr(seekAdList[i], "standard") ) color = 2;
2206 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2207 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2211 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2213 char buf[MSG_SIZ], *ext = "";
2214 VariantClass v = StringToVariant(type);
2215 if(strstr(type, "wild")) {
2216 ext = type + 4; // append wild number
2217 if(v == VariantFischeRandom) type = "chess960"; else
2218 if(v == VariantLoadable) type = "setup"; else
2219 type = VariantName(v);
2221 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2222 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2223 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2224 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2225 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2226 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2227 seekNrList[nrOfSeekAds] = nr;
2228 zList[nrOfSeekAds] = 0;
2229 seekAdList[nrOfSeekAds++] = StrSave(buf);
2230 if(plot) PlotSeekAd(nrOfSeekAds-1);
2237 int x = xList[i], y = yList[i], d=squareSize/4, k;
2238 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2239 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2240 // now replot every dot that overlapped
2241 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2242 int xx = xList[k], yy = yList[k];
2243 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2244 DrawSeekDot(xx, yy, colorList[k]);
2249 RemoveSeekAd(int nr)
2252 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2254 if(seekAdList[i]) free(seekAdList[i]);
2255 seekAdList[i] = seekAdList[--nrOfSeekAds];
2256 seekNrList[i] = seekNrList[nrOfSeekAds];
2257 ratingList[i] = ratingList[nrOfSeekAds];
2258 colorList[i] = colorList[nrOfSeekAds];
2259 tcList[i] = tcList[nrOfSeekAds];
2260 xList[i] = xList[nrOfSeekAds];
2261 yList[i] = yList[nrOfSeekAds];
2262 zList[i] = zList[nrOfSeekAds];
2263 seekAdList[nrOfSeekAds] = NULL;
2269 MatchSoughtLine(char *line)
2271 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2272 int nr, base, inc, u=0; char dummy;
2274 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2275 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2277 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2278 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2279 // match: compact and save the line
2280 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2290 if(!seekGraphUp) return FALSE;
2291 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2292 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2294 DrawSeekBackground(0, 0, w, h);
2295 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2296 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2297 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2298 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2300 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2303 snprintf(buf, MSG_SIZ, "%d", i);
2304 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2307 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2308 for(i=1; i<100; i+=(i<10?1:5)) {
2309 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2310 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2311 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2313 snprintf(buf, MSG_SIZ, "%d", i);
2314 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2317 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2321 int SeekGraphClick(ClickType click, int x, int y, int moving)
2323 static int lastDown = 0, displayed = 0, lastSecond;
2324 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2325 if(click == Release || moving) return FALSE;
2327 soughtPending = TRUE;
2328 SendToICS(ics_prefix);
2329 SendToICS("sought\n"); // should this be "sought all"?
2330 } else { // issue challenge based on clicked ad
2331 int dist = 10000; int i, closest = 0, second = 0;
2332 for(i=0; i<nrOfSeekAds; i++) {
2333 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2334 if(d < dist) { dist = d; closest = i; }
2335 second += (d - zList[i] < 120); // count in-range ads
2336 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2340 second = (second > 1);
2341 if(displayed != closest || second != lastSecond) {
2342 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2343 lastSecond = second; displayed = closest;
2345 if(click == Press) {
2346 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2349 } // on press 'hit', only show info
2350 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2351 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2352 SendToICS(ics_prefix);
2354 return TRUE; // let incoming board of started game pop down the graph
2355 } else if(click == Release) { // release 'miss' is ignored
2356 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2357 if(moving == 2) { // right up-click
2358 nrOfSeekAds = 0; // refresh graph
2359 soughtPending = TRUE;
2360 SendToICS(ics_prefix);
2361 SendToICS("sought\n"); // should this be "sought all"?
2364 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2365 // press miss or release hit 'pop down' seek graph
2366 seekGraphUp = FALSE;
2367 DrawPosition(TRUE, NULL);
2373 read_from_ics(isr, closure, data, count, error)
2380 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2381 #define STARTED_NONE 0
2382 #define STARTED_MOVES 1
2383 #define STARTED_BOARD 2
2384 #define STARTED_OBSERVE 3
2385 #define STARTED_HOLDINGS 4
2386 #define STARTED_CHATTER 5
2387 #define STARTED_COMMENT 6
2388 #define STARTED_MOVES_NOHIDE 7
2390 static int started = STARTED_NONE;
2391 static char parse[20000];
2392 static int parse_pos = 0;
2393 static char buf[BUF_SIZE + 1];
2394 static int firstTime = TRUE, intfSet = FALSE;
2395 static ColorClass prevColor = ColorNormal;
2396 static int savingComment = FALSE;
2397 static int cmatch = 0; // continuation sequence match
2404 int backup; /* [DM] For zippy color lines */
2406 char talker[MSG_SIZ]; // [HGM] chat
2409 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2411 if (appData.debugMode) {
2413 fprintf(debugFP, "<ICS: ");
2414 show_bytes(debugFP, data, count);
2415 fprintf(debugFP, "\n");
2419 if (appData.debugMode) { int f = forwardMostMove;
2420 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2421 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2422 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2425 /* If last read ended with a partial line that we couldn't parse,
2426 prepend it to the new read and try again. */
2427 if (leftover_len > 0) {
2428 for (i=0; i<leftover_len; i++)
2429 buf[i] = buf[leftover_start + i];
2432 /* copy new characters into the buffer */
2433 bp = buf + leftover_len;
2434 buf_len=leftover_len;
2435 for (i=0; i<count; i++)
2438 if (data[i] == '\r')
2441 // join lines split by ICS?
2442 if (!appData.noJoin)
2445 Joining just consists of finding matches against the
2446 continuation sequence, and discarding that sequence
2447 if found instead of copying it. So, until a match
2448 fails, there's nothing to do since it might be the
2449 complete sequence, and thus, something we don't want
2452 if (data[i] == cont_seq[cmatch])
2455 if (cmatch == strlen(cont_seq))
2457 cmatch = 0; // complete match. just reset the counter
2460 it's possible for the ICS to not include the space
2461 at the end of the last word, making our [correct]
2462 join operation fuse two separate words. the server
2463 does this when the space occurs at the width setting.
2465 if (!buf_len || buf[buf_len-1] != ' ')
2476 match failed, so we have to copy what matched before
2477 falling through and copying this character. In reality,
2478 this will only ever be just the newline character, but
2479 it doesn't hurt to be precise.
2481 strncpy(bp, cont_seq, cmatch);
2493 buf[buf_len] = NULLCHAR;
2494 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2499 while (i < buf_len) {
2500 /* Deal with part of the TELNET option negotiation
2501 protocol. We refuse to do anything beyond the
2502 defaults, except that we allow the WILL ECHO option,
2503 which ICS uses to turn off password echoing when we are
2504 directly connected to it. We reject this option
2505 if localLineEditing mode is on (always on in xboard)
2506 and we are talking to port 23, which might be a real
2507 telnet server that will try to keep WILL ECHO on permanently.
2509 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2510 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2511 unsigned char option;
2513 switch ((unsigned char) buf[++i]) {
2515 if (appData.debugMode)
2516 fprintf(debugFP, "\n<WILL ");
2517 switch (option = (unsigned char) buf[++i]) {
2519 if (appData.debugMode)
2520 fprintf(debugFP, "ECHO ");
2521 /* Reply only if this is a change, according
2522 to the protocol rules. */
2523 if (remoteEchoOption) break;
2524 if (appData.localLineEditing &&
2525 atoi(appData.icsPort) == TN_PORT) {
2526 TelnetRequest(TN_DONT, TN_ECHO);
2529 TelnetRequest(TN_DO, TN_ECHO);
2530 remoteEchoOption = TRUE;
2534 if (appData.debugMode)
2535 fprintf(debugFP, "%d ", option);
2536 /* Whatever this is, we don't want it. */
2537 TelnetRequest(TN_DONT, option);
2542 if (appData.debugMode)
2543 fprintf(debugFP, "\n<WONT ");
2544 switch (option = (unsigned char) buf[++i]) {
2546 if (appData.debugMode)
2547 fprintf(debugFP, "ECHO ");
2548 /* Reply only if this is a change, according
2549 to the protocol rules. */
2550 if (!remoteEchoOption) break;
2552 TelnetRequest(TN_DONT, TN_ECHO);
2553 remoteEchoOption = FALSE;
2556 if (appData.debugMode)
2557 fprintf(debugFP, "%d ", (unsigned char) option);
2558 /* Whatever this is, it must already be turned
2559 off, because we never agree to turn on
2560 anything non-default, so according to the
2561 protocol rules, we don't reply. */
2566 if (appData.debugMode)
2567 fprintf(debugFP, "\n<DO ");
2568 switch (option = (unsigned char) buf[++i]) {
2570 /* Whatever this is, we refuse to do it. */
2571 if (appData.debugMode)
2572 fprintf(debugFP, "%d ", option);
2573 TelnetRequest(TN_WONT, option);
2578 if (appData.debugMode)
2579 fprintf(debugFP, "\n<DONT ");
2580 switch (option = (unsigned char) buf[++i]) {
2582 if (appData.debugMode)
2583 fprintf(debugFP, "%d ", option);
2584 /* Whatever this is, we are already not doing
2585 it, because we never agree to do anything
2586 non-default, so according to the protocol
2587 rules, we don't reply. */
2592 if (appData.debugMode)
2593 fprintf(debugFP, "\n<IAC ");
2594 /* Doubled IAC; pass it through */
2598 if (appData.debugMode)
2599 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2600 /* Drop all other telnet commands on the floor */
2603 if (oldi > next_out)
2604 SendToPlayer(&buf[next_out], oldi - next_out);
2610 /* OK, this at least will *usually* work */
2611 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2615 if (loggedOn && !intfSet) {
2616 if (ics_type == ICS_ICC) {
2617 snprintf(str, MSG_SIZ,
2618 "/set-quietly interface %s\n/set-quietly style 12\n",
2620 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2621 strcat(str, "/set-2 51 1\n/set seek 1\n");
2622 } else if (ics_type == ICS_CHESSNET) {
2623 snprintf(str, MSG_SIZ, "/style 12\n");
2625 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2626 strcat(str, programVersion);
2627 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2628 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2629 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2631 strcat(str, "$iset nohighlight 1\n");
2633 strcat(str, "$iset lock 1\n$style 12\n");
2636 NotifyFrontendLogin();
2640 if (started == STARTED_COMMENT) {
2641 /* Accumulate characters in comment */
2642 parse[parse_pos++] = buf[i];
2643 if (buf[i] == '\n') {
2644 parse[parse_pos] = NULLCHAR;
2645 if(chattingPartner>=0) {
2647 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2648 OutputChatMessage(chattingPartner, mess);
2649 chattingPartner = -1;
2650 next_out = i+1; // [HGM] suppress printing in ICS window
2652 if(!suppressKibitz) // [HGM] kibitz
2653 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2654 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2655 int nrDigit = 0, nrAlph = 0, j;
2656 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2657 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2658 parse[parse_pos] = NULLCHAR;
2659 // try to be smart: if it does not look like search info, it should go to
2660 // ICS interaction window after all, not to engine-output window.
2661 for(j=0; j<parse_pos; j++) { // count letters and digits
2662 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2663 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2664 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2666 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2667 int depth=0; float score;
2668 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2669 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2670 pvInfoList[forwardMostMove-1].depth = depth;
2671 pvInfoList[forwardMostMove-1].score = 100*score;
2673 OutputKibitz(suppressKibitz, parse);
2676 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2677 SendToPlayer(tmp, strlen(tmp));
2679 next_out = i+1; // [HGM] suppress printing in ICS window
2681 started = STARTED_NONE;
2683 /* Don't match patterns against characters in comment */
2688 if (started == STARTED_CHATTER) {
2689 if (buf[i] != '\n') {
2690 /* Don't match patterns against characters in chatter */
2694 started = STARTED_NONE;
2695 if(suppressKibitz) next_out = i+1;
2698 /* Kludge to deal with rcmd protocol */
2699 if (firstTime && looking_at(buf, &i, "\001*")) {
2700 DisplayFatalError(&buf[1], 0, 1);
2706 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2709 if (appData.debugMode)
2710 fprintf(debugFP, "ics_type %d\n", ics_type);
2713 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2714 ics_type = ICS_FICS;
2716 if (appData.debugMode)
2717 fprintf(debugFP, "ics_type %d\n", ics_type);
2720 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2721 ics_type = ICS_CHESSNET;
2723 if (appData.debugMode)
2724 fprintf(debugFP, "ics_type %d\n", ics_type);
2729 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2730 looking_at(buf, &i, "Logging you in as \"*\"") ||
2731 looking_at(buf, &i, "will be \"*\""))) {
2732 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2736 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2738 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2739 DisplayIcsInteractionTitle(buf);
2740 have_set_title = TRUE;
2743 /* skip finger notes */
2744 if (started == STARTED_NONE &&
2745 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2746 (buf[i] == '1' && buf[i+1] == '0')) &&
2747 buf[i+2] == ':' && buf[i+3] == ' ') {
2748 started = STARTED_CHATTER;
2754 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2755 if(appData.seekGraph) {
2756 if(soughtPending && MatchSoughtLine(buf+i)) {
2757 i = strstr(buf+i, "rated") - buf;
2758 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2759 next_out = leftover_start = i;
2760 started = STARTED_CHATTER;
2761 suppressKibitz = TRUE;
2764 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2765 && looking_at(buf, &i, "* ads displayed")) {
2766 soughtPending = FALSE;
2771 if(appData.autoRefresh) {
2772 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2773 int s = (ics_type == ICS_ICC); // ICC format differs
2775 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2776 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2777 looking_at(buf, &i, "*% "); // eat prompt
2778 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2779 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2780 next_out = i; // suppress
2783 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2784 char *p = star_match[0];
2786 if(seekGraphUp) RemoveSeekAd(atoi(p));
2787 while(*p && *p++ != ' '); // next
2789 looking_at(buf, &i, "*% "); // eat prompt
2790 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2797 /* skip formula vars */
2798 if (started == STARTED_NONE &&
2799 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2800 started = STARTED_CHATTER;
2805 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2806 if (appData.autoKibitz && started == STARTED_NONE &&
2807 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2808 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2809 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2810 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2811 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2812 suppressKibitz = TRUE;
2813 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2815 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2816 && (gameMode == IcsPlayingWhite)) ||
2817 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2818 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2819 started = STARTED_CHATTER; // own kibitz we simply discard
2821 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2822 parse_pos = 0; parse[0] = NULLCHAR;
2823 savingComment = TRUE;
2824 suppressKibitz = gameMode != IcsObserving ? 2 :
2825 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2829 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2830 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2831 && atoi(star_match[0])) {
2832 // suppress the acknowledgements of our own autoKibitz
2834 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2835 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2836 SendToPlayer(star_match[0], strlen(star_match[0]));
2837 if(looking_at(buf, &i, "*% ")) // eat prompt
2838 suppressKibitz = FALSE;
2842 } // [HGM] kibitz: end of patch
2844 // [HGM] chat: intercept tells by users for which we have an open chat window
2846 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2847 looking_at(buf, &i, "* whispers:") ||
2848 looking_at(buf, &i, "* kibitzes:") ||
2849 looking_at(buf, &i, "* shouts:") ||
2850 looking_at(buf, &i, "* c-shouts:") ||
2851 looking_at(buf, &i, "--> * ") ||
2852 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2853 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2854 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2857 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2858 chattingPartner = -1;
2860 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2861 for(p=0; p<MAX_CHAT; p++) {
2862 if(channel == atoi(chatPartner[p])) {
2863 talker[0] = '['; strcat(talker, "] ");
2864 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2865 chattingPartner = p; break;
2868 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2869 for(p=0; p<MAX_CHAT; p++) {
2870 if(!strcmp("kibitzes", chatPartner[p])) {
2871 talker[0] = '['; strcat(talker, "] ");
2872 chattingPartner = p; break;
2875 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2876 for(p=0; p<MAX_CHAT; p++) {
2877 if(!strcmp("whispers", chatPartner[p])) {
2878 talker[0] = '['; strcat(talker, "] ");
2879 chattingPartner = p; break;
2882 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2883 if(buf[i-8] == '-' && buf[i-3] == 't')
2884 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2885 if(!strcmp("c-shouts", chatPartner[p])) {
2886 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2887 chattingPartner = p; break;
2890 if(chattingPartner < 0)
2891 for(p=0; p<MAX_CHAT; p++) {
2892 if(!strcmp("shouts", chatPartner[p])) {
2893 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2894 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2895 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2896 chattingPartner = p; break;
2900 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2901 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2902 talker[0] = 0; Colorize(ColorTell, FALSE);
2903 chattingPartner = p; break;
2905 if(chattingPartner<0) i = oldi; else {
2906 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2907 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2908 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2909 started = STARTED_COMMENT;
2910 parse_pos = 0; parse[0] = NULLCHAR;
2911 savingComment = 3 + chattingPartner; // counts as TRUE
2912 suppressKibitz = TRUE;
2915 } // [HGM] chat: end of patch
2917 if (appData.zippyTalk || appData.zippyPlay) {
2918 /* [DM] Backup address for color zippy lines */
2921 if (loggedOn == TRUE)
2922 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2923 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2925 } // [DM] 'else { ' deleted
2927 /* Regular tells and says */
2928 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2929 looking_at(buf, &i, "* (your partner) tells you: ") ||
2930 looking_at(buf, &i, "* says: ") ||
2931 /* Don't color "message" or "messages" output */
2932 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2933 looking_at(buf, &i, "*. * at *:*: ") ||
2934 looking_at(buf, &i, "--* (*:*): ") ||
2935 /* Message notifications (same color as tells) */
2936 looking_at(buf, &i, "* has left a message ") ||
2937 looking_at(buf, &i, "* just sent you a message:\n") ||
2938 /* Whispers and kibitzes */
2939 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2940 looking_at(buf, &i, "* kibitzes: ") ||
2942 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2944 if (tkind == 1 && strchr(star_match[0], ':')) {
2945 /* Avoid "tells you:" spoofs in channels */
2948 if (star_match[0][0] == NULLCHAR ||
2949 strchr(star_match[0], ' ') ||
2950 (tkind == 3 && strchr(star_match[1], ' '))) {
2951 /* Reject bogus matches */
2954 if (appData.colorize) {
2955 if (oldi > next_out) {
2956 SendToPlayer(&buf[next_out], oldi - next_out);
2961 Colorize(ColorTell, FALSE);
2962 curColor = ColorTell;
2965 Colorize(ColorKibitz, FALSE);
2966 curColor = ColorKibitz;
2969 p = strrchr(star_match[1], '(');
2976 Colorize(ColorChannel1, FALSE);
2977 curColor = ColorChannel1;
2979 Colorize(ColorChannel, FALSE);
2980 curColor = ColorChannel;
2984 curColor = ColorNormal;
2988 if (started == STARTED_NONE && appData.autoComment &&
2989 (gameMode == IcsObserving ||
2990 gameMode == IcsPlayingWhite ||
2991 gameMode == IcsPlayingBlack)) {
2992 parse_pos = i - oldi;
2993 memcpy(parse, &buf[oldi], parse_pos);
2994 parse[parse_pos] = NULLCHAR;
2995 started = STARTED_COMMENT;
2996 savingComment = TRUE;
2998 started = STARTED_CHATTER;
2999 savingComment = FALSE;
3006 if (looking_at(buf, &i, "* s-shouts: ") ||
3007 looking_at(buf, &i, "* c-shouts: ")) {
3008 if (appData.colorize) {
3009 if (oldi > next_out) {
3010 SendToPlayer(&buf[next_out], oldi - next_out);
3013 Colorize(ColorSShout, FALSE);
3014 curColor = ColorSShout;
3017 started = STARTED_CHATTER;
3021 if (looking_at(buf, &i, "--->")) {
3026 if (looking_at(buf, &i, "* shouts: ") ||
3027 looking_at(buf, &i, "--> ")) {
3028 if (appData.colorize) {
3029 if (oldi > next_out) {
3030 SendToPlayer(&buf[next_out], oldi - next_out);
3033 Colorize(ColorShout, FALSE);
3034 curColor = ColorShout;
3037 started = STARTED_CHATTER;
3041 if (looking_at( buf, &i, "Challenge:")) {
3042 if (appData.colorize) {
3043 if (oldi > next_out) {
3044 SendToPlayer(&buf[next_out], oldi - next_out);
3047 Colorize(ColorChallenge, FALSE);
3048 curColor = ColorChallenge;
3054 if (looking_at(buf, &i, "* offers you") ||
3055 looking_at(buf, &i, "* offers to be") ||
3056 looking_at(buf, &i, "* would like to") ||
3057 looking_at(buf, &i, "* requests to") ||
3058 looking_at(buf, &i, "Your opponent offers") ||
3059 looking_at(buf, &i, "Your opponent requests")) {
3061 if (appData.colorize) {
3062 if (oldi > next_out) {
3063 SendToPlayer(&buf[next_out], oldi - next_out);
3066 Colorize(ColorRequest, FALSE);
3067 curColor = ColorRequest;
3072 if (looking_at(buf, &i, "* (*) seeking")) {
3073 if (appData.colorize) {
3074 if (oldi > next_out) {
3075 SendToPlayer(&buf[next_out], oldi - next_out);
3078 Colorize(ColorSeek, FALSE);
3079 curColor = ColorSeek;
3084 if (looking_at(buf, &i, "\\ ")) {
3085 if (prevColor != ColorNormal) {
3086 if (oldi > next_out) {
3087 SendToPlayer(&buf[next_out], oldi - next_out);
3090 Colorize(prevColor, TRUE);
3091 curColor = prevColor;
3093 if (savingComment) {
3094 parse_pos = i - oldi;
3095 memcpy(parse, &buf[oldi], parse_pos);
3096 parse[parse_pos] = NULLCHAR;
3097 started = STARTED_COMMENT;
3098 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3099 chattingPartner = savingComment - 3; // kludge to remember the box
3101 started = STARTED_CHATTER;
3106 if (looking_at(buf, &i, "Black Strength :") ||
3107 looking_at(buf, &i, "<<< style 10 board >>>") ||
3108 looking_at(buf, &i, "<10>") ||
3109 looking_at(buf, &i, "#@#")) {
3110 /* Wrong board style */
3112 SendToICS(ics_prefix);
3113 SendToICS("set style 12\n");
3114 SendToICS(ics_prefix);
3115 SendToICS("refresh\n");
3119 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3121 have_sent_ICS_logon = 1;
3122 /* if we don't send the login/password via icsLogon, use special readline
3124 if (strlen(appData.icsLogon)==0)
3126 sending_ICS_password = 0; // in case we come back to login
3127 sending_ICS_login = 1;
3131 /* need to shadow the password */
3132 if (!sending_ICS_password && looking_at(buf, &i, "password:")) {
3133 /* if we don't send the login/password via icsLogon, use special readline
3135 if (strlen(appData.icsLogon)==0)
3136 sending_ICS_password = 1;
3140 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3141 (looking_at(buf, &i, "\n<12> ") ||
3142 looking_at(buf, &i, "<12> "))) {
3144 if (oldi > next_out) {
3145 SendToPlayer(&buf[next_out], oldi - next_out);
3148 started = STARTED_BOARD;
3153 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3154 looking_at(buf, &i, "<b1> ")) {
3155 if (oldi > next_out) {
3156 SendToPlayer(&buf[next_out], oldi - next_out);
3159 started = STARTED_HOLDINGS;
3164 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3166 /* Header for a move list -- first line */
3168 switch (ics_getting_history) {
3172 case BeginningOfGame:
3173 /* User typed "moves" or "oldmoves" while we
3174 were idle. Pretend we asked for these
3175 moves and soak them up so user can step
3176 through them and/or save them.
3179 gameMode = IcsObserving;
3182 ics_getting_history = H_GOT_UNREQ_HEADER;
3184 case EditGame: /*?*/
3185 case EditPosition: /*?*/
3186 /* Should above feature work in these modes too? */
3187 /* For now it doesn't */
3188 ics_getting_history = H_GOT_UNWANTED_HEADER;
3191 ics_getting_history = H_GOT_UNWANTED_HEADER;
3196 /* Is this the right one? */
3197 if (gameInfo.white && gameInfo.black &&
3198 strcmp(gameInfo.white, star_match[0]) == 0 &&
3199 strcmp(gameInfo.black, star_match[2]) == 0) {
3201 ics_getting_history = H_GOT_REQ_HEADER;
3204 case H_GOT_REQ_HEADER:
3205 case H_GOT_UNREQ_HEADER:
3206 case H_GOT_UNWANTED_HEADER:
3207 case H_GETTING_MOVES:
3208 /* Should not happen */
3209 DisplayError(_("Error gathering move list: two headers"), 0);
3210 ics_getting_history = H_FALSE;
3214 /* Save player ratings into gameInfo if needed */
3215 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3216 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3217 (gameInfo.whiteRating == -1 ||
3218 gameInfo.blackRating == -1)) {
3220 gameInfo.whiteRating = string_to_rating(star_match[1]);
3221 gameInfo.blackRating = string_to_rating(star_match[3]);
3222 if (appData.debugMode)
3223 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3224 gameInfo.whiteRating, gameInfo.blackRating);
3229 if (looking_at(buf, &i,
3230 "* * match, initial time: * minute*, increment: * second")) {
3231 /* Header for a move list -- second line */
3232 /* Initial board will follow if this is a wild game */
3233 if (gameInfo.event != NULL) free(gameInfo.event);
3234 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3235 gameInfo.event = StrSave(str);
3236 /* [HGM] we switched variant. Translate boards if needed. */
3237 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3241 if (looking_at(buf, &i, "Move ")) {
3242 /* Beginning of a move list */
3243 switch (ics_getting_history) {
3245 /* Normally should not happen */
3246 /* Maybe user hit reset while we were parsing */
3249 /* Happens if we are ignoring a move list that is not
3250 * the one we just requested. Common if the user
3251 * tries to observe two games without turning off
3254 case H_GETTING_MOVES:
3255 /* Should not happen */
3256 DisplayError(_("Error gathering move list: nested"), 0);
3257 ics_getting_history = H_FALSE;
3259 case H_GOT_REQ_HEADER:
3260 ics_getting_history = H_GETTING_MOVES;
3261 started = STARTED_MOVES;
3263 if (oldi > next_out) {
3264 SendToPlayer(&buf[next_out], oldi - next_out);
3267 case H_GOT_UNREQ_HEADER:
3268 ics_getting_history = H_GETTING_MOVES;
3269 started = STARTED_MOVES_NOHIDE;
3272 case H_GOT_UNWANTED_HEADER:
3273 ics_getting_history = H_FALSE;
3279 if (looking_at(buf, &i, "% ") ||
3280 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3281 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3282 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3283 soughtPending = FALSE;
3287 if(suppressKibitz) next_out = i;
3288 savingComment = FALSE;
3292 case STARTED_MOVES_NOHIDE:
3293 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3294 parse[parse_pos + i - oldi] = NULLCHAR;
3295 ParseGameHistory(parse);
3297 if (appData.zippyPlay && first.initDone) {
3298 FeedMovesToProgram(&first, forwardMostMove);
3299 if (gameMode == IcsPlayingWhite) {
3300 if (WhiteOnMove(forwardMostMove)) {
3301 if (first.sendTime) {
3302 if (first.useColors) {
3303 SendToProgram("black\n", &first);
3305 SendTimeRemaining(&first, TRUE);
3307 if (first.useColors) {
3308 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3310 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3311 first.maybeThinking = TRUE;
3313 if (first.usePlayother) {
3314 if (first.sendTime) {
3315 SendTimeRemaining(&first, TRUE);
3317 SendToProgram("playother\n", &first);
3323 } else if (gameMode == IcsPlayingBlack) {
3324 if (!WhiteOnMove(forwardMostMove)) {
3325 if (first.sendTime) {
3326 if (first.useColors) {
3327 SendToProgram("white\n", &first);
3329 SendTimeRemaining(&first, FALSE);
3331 if (first.useColors) {
3332 SendToProgram("black\n", &first);
3334 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3335 first.maybeThinking = TRUE;
3337 if (first.usePlayother) {
3338 if (first.sendTime) {
3339 SendTimeRemaining(&first, FALSE);
3341 SendToProgram("playother\n", &first);
3350 if (gameMode == IcsObserving && ics_gamenum == -1) {
3351 /* Moves came from oldmoves or moves command
3352 while we weren't doing anything else.
3354 currentMove = forwardMostMove;
3355 ClearHighlights();/*!!could figure this out*/
3356 flipView = appData.flipView;
3357 DrawPosition(TRUE, boards[currentMove]);
3358 DisplayBothClocks();
3359 snprintf(str, MSG_SIZ, "%s vs. %s",
3360 gameInfo.white, gameInfo.black);
3364 /* Moves were history of an active game */
3365 if (gameInfo.resultDetails != NULL) {
3366 free(gameInfo.resultDetails);
3367 gameInfo.resultDetails = NULL;
3370 HistorySet(parseList, backwardMostMove,
3371 forwardMostMove, currentMove-1);
3372 DisplayMove(currentMove - 1);
3373 if (started == STARTED_MOVES) next_out = i;
3374 started = STARTED_NONE;
3375 ics_getting_history = H_FALSE;
3378 case STARTED_OBSERVE:
3379 started = STARTED_NONE;
3380 SendToICS(ics_prefix);
3381 SendToICS("refresh\n");
3387 if(bookHit) { // [HGM] book: simulate book reply
3388 static char bookMove[MSG_SIZ]; // a bit generous?
3390 programStats.nodes = programStats.depth = programStats.time =
3391 programStats.score = programStats.got_only_move = 0;
3392 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3394 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3395 strcat(bookMove, bookHit);
3396 HandleMachineMove(bookMove, &first);
3401 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3402 started == STARTED_HOLDINGS ||
3403 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3404 /* Accumulate characters in move list or board */
3405 parse[parse_pos++] = buf[i];
3408 /* Start of game messages. Mostly we detect start of game
3409 when the first board image arrives. On some versions
3410 of the ICS, though, we need to do a "refresh" after starting
3411 to observe in order to get the current board right away. */
3412 if (looking_at(buf, &i, "Adding game * to observation list")) {
3413 started = STARTED_OBSERVE;
3417 /* Handle auto-observe */
3418 if (appData.autoObserve &&
3419 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3420 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3422 /* Choose the player that was highlighted, if any. */
3423 if (star_match[0][0] == '\033' ||
3424 star_match[1][0] != '\033') {
3425 player = star_match[0];
3427 player = star_match[2];
3429 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3430 ics_prefix, StripHighlightAndTitle(player));
3433 /* Save ratings from notify string */
3434 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3435 player1Rating = string_to_rating(star_match[1]);
3436 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3437 player2Rating = string_to_rating(star_match[3]);
3439 if (appData.debugMode)
3441 "Ratings from 'Game notification:' %s %d, %s %d\n",
3442 player1Name, player1Rating,
3443 player2Name, player2Rating);
3448 /* Deal with automatic examine mode after a game,
3449 and with IcsObserving -> IcsExamining transition */
3450 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3451 looking_at(buf, &i, "has made you an examiner of game *")) {
3453 int gamenum = atoi(star_match[0]);
3454 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3455 gamenum == ics_gamenum) {
3456 /* We were already playing or observing this game;
3457 no need to refetch history */
3458 gameMode = IcsExamining;
3460 pauseExamForwardMostMove = forwardMostMove;
3461 } else if (currentMove < forwardMostMove) {
3462 ForwardInner(forwardMostMove);
3465 /* I don't think this case really can happen */
3466 SendToICS(ics_prefix);
3467 SendToICS("refresh\n");
3472 /* Error messages */
3473 // if (ics_user_moved) {
3474 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3475 if (looking_at(buf, &i, "Illegal move") ||
3476 looking_at(buf, &i, "Not a legal move") ||
3477 looking_at(buf, &i, "Your king is in check") ||
3478 looking_at(buf, &i, "It isn't your turn") ||
3479 looking_at(buf, &i, "It is not your move")) {
3481 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3482 currentMove = forwardMostMove-1;
3483 DisplayMove(currentMove - 1); /* before DMError */
3484 DrawPosition(FALSE, boards[currentMove]);
3485 SwitchClocks(forwardMostMove-1); // [HGM] race
3486 DisplayBothClocks();
3488 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3494 if (looking_at(buf, &i, "still have time") ||
3495 looking_at(buf, &i, "not out of time") ||
3496 looking_at(buf, &i, "either player is out of time") ||
3497 looking_at(buf, &i, "has timeseal; checking")) {
3498 /* We must have called his flag a little too soon */
3499 whiteFlag = blackFlag = FALSE;
3503 if (looking_at(buf, &i, "added * seconds to") ||
3504 looking_at(buf, &i, "seconds were added to")) {
3505 /* Update the clocks */
3506 SendToICS(ics_prefix);
3507 SendToICS("refresh\n");
3511 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3512 ics_clock_paused = TRUE;
3517 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3518 ics_clock_paused = FALSE;
3523 /* Grab player ratings from the Creating: message.
3524 Note we have to check for the special case when
3525 the ICS inserts things like [white] or [black]. */
3526 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3527 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3529 0 player 1 name (not necessarily white)
3531 2 empty, white, or black (IGNORED)
3532 3 player 2 name (not necessarily black)
3535 The names/ratings are sorted out when the game
3536 actually starts (below).
3538 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3539 player1Rating = string_to_rating(star_match[1]);
3540 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3541 player2Rating = string_to_rating(star_match[4]);
3543 if (appData.debugMode)
3545 "Ratings from 'Creating:' %s %d, %s %d\n",
3546 player1Name, player1Rating,
3547 player2Name, player2Rating);
3552 /* Improved generic start/end-of-game messages */
3553 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3554 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3555 /* If tkind == 0: */
3556 /* star_match[0] is the game number */
3557 /* [1] is the white player's name */
3558 /* [2] is the black player's name */
3559 /* For end-of-game: */
3560 /* [3] is the reason for the game end */
3561 /* [4] is a PGN end game-token, preceded by " " */
3562 /* For start-of-game: */
3563 /* [3] begins with "Creating" or "Continuing" */
3564 /* [4] is " *" or empty (don't care). */
3565 int gamenum = atoi(star_match[0]);
3566 char *whitename, *blackname, *why, *endtoken;
3567 ChessMove endtype = EndOfFile;
3570 whitename = star_match[1];
3571 blackname = star_match[2];
3572 why = star_match[3];
3573 endtoken = star_match[4];
3575 whitename = star_match[1];
3576 blackname = star_match[3];
3577 why = star_match[5];
3578 endtoken = star_match[6];
3581 /* Game start messages */
3582 if (strncmp(why, "Creating ", 9) == 0 ||
3583 strncmp(why, "Continuing ", 11) == 0) {
3584 gs_gamenum = gamenum;
3585 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3586 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3588 if (appData.zippyPlay) {
3589 ZippyGameStart(whitename, blackname);
3592 partnerBoardValid = FALSE; // [HGM] bughouse
3596 /* Game end messages */
3597 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3598 ics_gamenum != gamenum) {
3601 while (endtoken[0] == ' ') endtoken++;
3602 switch (endtoken[0]) {
3605 endtype = GameUnfinished;
3608 endtype = BlackWins;
3611 if (endtoken[1] == '/')
3612 endtype = GameIsDrawn;
3614 endtype = WhiteWins;
3617 GameEnds(endtype, why, GE_ICS);
3619 if (appData.zippyPlay && first.initDone) {
3620 ZippyGameEnd(endtype, why);
3621 if (first.pr == NULL) {
3622 /* Start the next process early so that we'll
3623 be ready for the next challenge */
3624 StartChessProgram(&first);
3626 /* Send "new" early, in case this command takes
3627 a long time to finish, so that we'll be ready
3628 for the next challenge. */
3629 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3633 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3637 if (looking_at(buf, &i, "Removing game * from observation") ||
3638 looking_at(buf, &i, "no longer observing game *") ||
3639 looking_at(buf, &i, "Game * (*) has no examiners")) {
3640 if (gameMode == IcsObserving &&
3641 atoi(star_match[0]) == ics_gamenum)
3643 /* icsEngineAnalyze */
3644 if (appData.icsEngineAnalyze) {
3651 ics_user_moved = FALSE;
3656 if (looking_at(buf, &i, "no longer examining game *")) {
3657 if (gameMode == IcsExamining &&
3658 atoi(star_match[0]) == ics_gamenum)
3662 ics_user_moved = FALSE;
3667 /* Advance leftover_start past any newlines we find,
3668 so only partial lines can get reparsed */
3669 if (looking_at(buf, &i, "\n")) {
3670 prevColor = curColor;
3671 if (curColor != ColorNormal) {
3672 if (oldi > next_out) {
3673 SendToPlayer(&buf[next_out], oldi - next_out);
3676 Colorize(ColorNormal, FALSE);
3677 curColor = ColorNormal;
3679 if (started == STARTED_BOARD) {
3680 started = STARTED_NONE;
3681 parse[parse_pos] = NULLCHAR;
3682 ParseBoard12(parse);
3685 /* Send premove here */
3686 if (appData.premove) {
3688 if (currentMove == 0 &&
3689 gameMode == IcsPlayingWhite &&
3690 appData.premoveWhite) {
3691 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3695 } else if (currentMove == 1 &&
3696 gameMode == IcsPlayingBlack &&
3697 appData.premoveBlack) {
3698 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3699 if (appData.debugMode)
3700 fprintf(debugFP, "Sending premove:\n");
3702 } else if (gotPremove) {
3704 ClearPremoveHighlights();
3705 if (appData.debugMode)
3706 fprintf(debugFP, "Sending premove:\n");
3707 UserMoveEvent(premoveFromX, premoveFromY,
3708 premoveToX, premoveToY,
3713 /* Usually suppress following prompt */
3714 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3715 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3716 if (looking_at(buf, &i, "*% ")) {
3717 savingComment = FALSE;
3722 } else if (started == STARTED_HOLDINGS) {
3724 char new_piece[MSG_SIZ];
3725 started = STARTED_NONE;
3726 parse[parse_pos] = NULLCHAR;
3727 if (appData.debugMode)
3728 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3729 parse, currentMove);
3730 if (sscanf(parse, " game %d", &gamenum) == 1) {
3731 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3732 if (gameInfo.variant == VariantNormal) {
3733 /* [HGM] We seem to switch variant during a game!
3734 * Presumably no holdings were displayed, so we have
3735 * to move the position two files to the right to
3736 * create room for them!
3738 VariantClass newVariant;
3739 switch(gameInfo.boardWidth) { // base guess on board width
3740 case 9: newVariant = VariantShogi; break;
3741 case 10: newVariant = VariantGreat; break;
3742 default: newVariant = VariantCrazyhouse; break;
3744 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3745 /* Get a move list just to see the header, which
3746 will tell us whether this is really bug or zh */
3747 if (ics_getting_history == H_FALSE) {
3748 ics_getting_history = H_REQUESTED;
3749 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3753 new_piece[0] = NULLCHAR;
3754 sscanf(parse, "game %d white [%s black [%s <- %s",
3755 &gamenum, white_holding, black_holding,
3757 white_holding[strlen(white_holding)-1] = NULLCHAR;
3758 black_holding[strlen(black_holding)-1] = NULLCHAR;
3759 /* [HGM] copy holdings to board holdings area */
3760 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3761 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3762 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3764 if (appData.zippyPlay && first.initDone) {
3765 ZippyHoldings(white_holding, black_holding,
3769 if (tinyLayout || smallLayout) {
3770 char wh[16], bh[16];
3771 PackHolding(wh, white_holding);
3772 PackHolding(bh, black_holding);
3773 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3774 gameInfo.white, gameInfo.black);
3776 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3777 gameInfo.white, white_holding,
3778 gameInfo.black, black_holding);
3780 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3781 DrawPosition(FALSE, boards[currentMove]);
3783 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3784 sscanf(parse, "game %d white [%s black [%s <- %s",
3785 &gamenum, white_holding, black_holding,
3787 white_holding[strlen(white_holding)-1] = NULLCHAR;
3788 black_holding[strlen(black_holding)-1] = NULLCHAR;
3789 /* [HGM] copy holdings to partner-board holdings area */
3790 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3791 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3792 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3793 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3794 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3797 /* Suppress following prompt */
3798 if (looking_at(buf, &i, "*% ")) {
3799 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3800 savingComment = FALSE;
3808 i++; /* skip unparsed character and loop back */
3811 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3812 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3813 // SendToPlayer(&buf[next_out], i - next_out);
3814 started != STARTED_HOLDINGS && leftover_start > next_out) {
3815 SendToPlayer(&buf[next_out], leftover_start - next_out);
3819 leftover_len = buf_len - leftover_start;
3820 /* if buffer ends with something we couldn't parse,
3821 reparse it after appending the next read */
3823 } else if (count == 0) {
3824 RemoveInputSource(isr);
3825 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3827 DisplayFatalError(_("Error reading from ICS"), error, 1);
3832 /* Board style 12 looks like this:
3834 <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
3836 * The "<12> " is stripped before it gets to this routine. The two
3837 * trailing 0's (flip state and clock ticking) are later addition, and
3838 * some chess servers may not have them, or may have only the first.
3839 * Additional trailing fields may be added in the future.
3842 #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"
3844 #define RELATION_OBSERVING_PLAYED 0
3845 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3846 #define RELATION_PLAYING_MYMOVE 1
3847 #define RELATION_PLAYING_NOTMYMOVE -1
3848 #define RELATION_EXAMINING 2
3849 #define RELATION_ISOLATED_BOARD -3
3850 #define RELATION_STARTING_POSITION -4 /* FICS only */
3853 ParseBoard12(string)
3856 GameMode newGameMode;
3857 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3858 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3859 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3860 char to_play, board_chars[200];
3861 char move_str[500], str[500], elapsed_time[500];
3862 char black[32], white[32];
3864 int prevMove = currentMove;
3867 int fromX, fromY, toX, toY;
3869 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3870 char *bookHit = NULL; // [HGM] book
3871 Boolean weird = FALSE, reqFlag = FALSE;
3873 fromX = fromY = toX = toY = -1;
3877 if (appData.debugMode)
3878 fprintf(debugFP, _("Parsing board: %s\n"), string);
3880 move_str[0] = NULLCHAR;
3881 elapsed_time[0] = NULLCHAR;
3882 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3884 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3885 if(string[i] == ' ') { ranks++; files = 0; }
3887 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3890 for(j = 0; j <i; j++) board_chars[j] = string[j];
3891 board_chars[i] = '\0';
3894 n = sscanf(string, PATTERN, &to_play, &double_push,
3895 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3896 &gamenum, white, black, &relation, &basetime, &increment,
3897 &white_stren, &black_stren, &white_time, &black_time,
3898 &moveNum, str, elapsed_time, move_str, &ics_flip,
3902 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3903 DisplayError(str, 0);
3907 /* Convert the move number to internal form */
3908 moveNum = (moveNum - 1) * 2;
3909 if (to_play == 'B') moveNum++;
3910 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3911 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3917 case RELATION_OBSERVING_PLAYED:
3918 case RELATION_OBSERVING_STATIC:
3919 if (gamenum == -1) {
3920 /* Old ICC buglet */
3921 relation = RELATION_OBSERVING_STATIC;
3923 newGameMode = IcsObserving;
3925 case RELATION_PLAYING_MYMOVE:
3926 case RELATION_PLAYING_NOTMYMOVE:
3928 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3929 IcsPlayingWhite : IcsPlayingBlack;
3931 case RELATION_EXAMINING:
3932 newGameMode = IcsExamining;
3934 case RELATION_ISOLATED_BOARD:
3936 /* Just display this board. If user was doing something else,
3937 we will forget about it until the next board comes. */
3938 newGameMode = IcsIdle;
3940 case RELATION_STARTING_POSITION:
3941 newGameMode = gameMode;
3945 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3946 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3947 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3949 for (k = 0; k < ranks; k++) {
3950 for (j = 0; j < files; j++)
3951 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3952 if(gameInfo.holdingsWidth > 1) {
3953 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3954 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3957 CopyBoard(partnerBoard, board);
3958 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3959 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3960 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3961 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3962 if(toSqr = strchr(str, '-')) {
3963 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3964 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3965 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3966 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3967 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3968 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3969 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3970 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3971 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3972 DisplayMessage(partnerStatus, "");
3973 partnerBoardValid = TRUE;
3977 /* Modify behavior for initial board display on move listing
3980 switch (ics_getting_history) {
3984 case H_GOT_REQ_HEADER:
3985 case H_GOT_UNREQ_HEADER:
3986 /* This is the initial position of the current game */
3987 gamenum = ics_gamenum;
3988 moveNum = 0; /* old ICS bug workaround */
3989 if (to_play == 'B') {
3990 startedFromSetupPosition = TRUE;
3991 blackPlaysFirst = TRUE;
3993 if (forwardMostMove == 0) forwardMostMove = 1;
3994 if (backwardMostMove == 0) backwardMostMove = 1;
3995 if (currentMove == 0) currentMove = 1;
3997 newGameMode = gameMode;
3998 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4000 case H_GOT_UNWANTED_HEADER:
4001 /* This is an initial board that we don't want */
4003 case H_GETTING_MOVES:
4004 /* Should not happen */
4005 DisplayError(_("Error gathering move list: extra board"), 0);
4006 ics_getting_history = H_FALSE;
4010 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4011 weird && (int)gameInfo.variant < (int)VariantShogi) {
4012 /* [HGM] We seem to have switched variant unexpectedly
4013 * Try to guess new variant from board size
4015 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4016 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4017 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4018 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4019 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4020 if(!weird) newVariant = VariantNormal;
4021 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4022 /* Get a move list just to see the header, which
4023 will tell us whether this is really bug or zh */
4024 if (ics_getting_history == H_FALSE) {
4025 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4026 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4031 /* Take action if this is the first board of a new game, or of a
4032 different game than is currently being displayed. */
4033 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4034 relation == RELATION_ISOLATED_BOARD) {
4036 /* Forget the old game and get the history (if any) of the new one */
4037 if (gameMode != BeginningOfGame) {
4041 if (appData.autoRaiseBoard) BoardToTop();
4043 if (gamenum == -1) {
4044 newGameMode = IcsIdle;
4045 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4046 appData.getMoveList && !reqFlag) {
4047 /* Need to get game history */
4048 ics_getting_history = H_REQUESTED;
4049 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4053 /* Initially flip the board to have black on the bottom if playing
4054 black or if the ICS flip flag is set, but let the user change
4055 it with the Flip View button. */
4056 flipView = appData.autoFlipView ?
4057 (newGameMode == IcsPlayingBlack) || ics_flip :
4060 /* Done with values from previous mode; copy in new ones */
4061 gameMode = newGameMode;
4063 ics_gamenum = gamenum;
4064 if (gamenum == gs_gamenum) {
4065 int klen = strlen(gs_kind);
4066 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4067 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4068 gameInfo.event = StrSave(str);
4070 gameInfo.event = StrSave("ICS game");
4072 gameInfo.site = StrSave(appData.icsHost);
4073 gameInfo.date = PGNDate();
4074 gameInfo.round = StrSave("-");
4075 gameInfo.white = StrSave(white);
4076 gameInfo.black = StrSave(black);
4077 timeControl = basetime * 60 * 1000;
4079 timeIncrement = increment * 1000;
4080 movesPerSession = 0;
4081 gameInfo.timeControl = TimeControlTagValue();
4082 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4083 if (appData.debugMode) {
4084 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4085 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4086 setbuf(debugFP, NULL);
4089 gameInfo.outOfBook = NULL;
4091 /* Do we have the ratings? */
4092 if (strcmp(player1Name, white) == 0 &&
4093 strcmp(player2Name, black) == 0) {
4094 if (appData.debugMode)
4095 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4096 player1Rating, player2Rating);
4097 gameInfo.whiteRating = player1Rating;
4098 gameInfo.blackRating = player2Rating;
4099 } else if (strcmp(player2Name, white) == 0 &&
4100 strcmp(player1Name, black) == 0) {
4101 if (appData.debugMode)
4102 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4103 player2Rating, player1Rating);
4104 gameInfo.whiteRating = player2Rating;
4105 gameInfo.blackRating = player1Rating;
4107 player1Name[0] = player2Name[0] = NULLCHAR;
4109 /* Silence shouts if requested */
4110 if (appData.quietPlay &&
4111 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4112 SendToICS(ics_prefix);
4113 SendToICS("set shout 0\n");
4117 /* Deal with midgame name changes */
4119 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4120 if (gameInfo.white) free(gameInfo.white);
4121 gameInfo.white = StrSave(white);
4123 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4124 if (gameInfo.black) free(gameInfo.black);
4125 gameInfo.black = StrSave(black);
4129 /* Throw away game result if anything actually changes in examine mode */
4130 if (gameMode == IcsExamining && !newGame) {
4131 gameInfo.result = GameUnfinished;
4132 if (gameInfo.resultDetails != NULL) {
4133 free(gameInfo.resultDetails);
4134 gameInfo.resultDetails = NULL;
4138 /* In pausing && IcsExamining mode, we ignore boards coming
4139 in if they are in a different variation than we are. */
4140 if (pauseExamInvalid) return;
4141 if (pausing && gameMode == IcsExamining) {
4142 if (moveNum <= pauseExamForwardMostMove) {
4143 pauseExamInvalid = TRUE;
4144 forwardMostMove = pauseExamForwardMostMove;
4149 if (appData.debugMode) {
4150 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4152 /* Parse the board */
4153 for (k = 0; k < ranks; k++) {
4154 for (j = 0; j < files; j++)
4155 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4156 if(gameInfo.holdingsWidth > 1) {
4157 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4158 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4161 CopyBoard(boards[moveNum], board);
4162 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4164 startedFromSetupPosition =
4165 !CompareBoards(board, initialPosition);
4166 if(startedFromSetupPosition)
4167 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4170 /* [HGM] Set castling rights. Take the outermost Rooks,
4171 to make it also work for FRC opening positions. Note that board12
4172 is really defective for later FRC positions, as it has no way to
4173 indicate which Rook can castle if they are on the same side of King.
4174 For the initial position we grant rights to the outermost Rooks,
4175 and remember thos rights, and we then copy them on positions
4176 later in an FRC game. This means WB might not recognize castlings with
4177 Rooks that have moved back to their original position as illegal,
4178 but in ICS mode that is not its job anyway.
4180 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4181 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4183 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4184 if(board[0][i] == WhiteRook) j = i;
4185 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4186 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4187 if(board[0][i] == WhiteRook) j = i;
4188 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4189 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4190 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4191 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4192 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4193 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4194 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4196 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4197 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4198 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4199 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4200 if(board[BOARD_HEIGHT-1][k] == bKing)
4201 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4202 if(gameInfo.variant == VariantTwoKings) {
4203 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4204 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4205 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4208 r = boards[moveNum][CASTLING][0] = initialRights[0];
4209 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4210 r = boards[moveNum][CASTLING][1] = initialRights[1];
4211 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4212 r = boards[moveNum][CASTLING][3] = initialRights[3];
4213 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4214 r = boards[moveNum][CASTLING][4] = initialRights[4];
4215 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4216 /* wildcastle kludge: always assume King has rights */
4217 r = boards[moveNum][CASTLING][2] = initialRights[2];
4218 r = boards[moveNum][CASTLING][5] = initialRights[5];
4220 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4221 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4224 if (ics_getting_history == H_GOT_REQ_HEADER ||
4225 ics_getting_history == H_GOT_UNREQ_HEADER) {
4226 /* This was an initial position from a move list, not
4227 the current position */
4231 /* Update currentMove and known move number limits */
4232 newMove = newGame || moveNum > forwardMostMove;
4235 forwardMostMove = backwardMostMove = currentMove = moveNum;
4236 if (gameMode == IcsExamining && moveNum == 0) {
4237 /* Workaround for ICS limitation: we are not told the wild
4238 type when starting to examine a game. But if we ask for
4239 the move list, the move list header will tell us */
4240 ics_getting_history = H_REQUESTED;
4241 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4244 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4245 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4247 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4248 /* [HGM] applied this also to an engine that is silently watching */
4249 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4250 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4251 gameInfo.variant == currentlyInitializedVariant) {
4252 takeback = forwardMostMove - moveNum;
4253 for (i = 0; i < takeback; i++) {
4254 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4255 SendToProgram("undo\n", &first);
4260 forwardMostMove = moveNum;
4261 if (!pausing || currentMove > forwardMostMove)
4262 currentMove = forwardMostMove;
4264 /* New part of history that is not contiguous with old part */
4265 if (pausing && gameMode == IcsExamining) {
4266 pauseExamInvalid = TRUE;
4267 forwardMostMove = pauseExamForwardMostMove;
4270 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4272 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4273 // [HGM] when we will receive the move list we now request, it will be
4274 // fed to the engine from the first move on. So if the engine is not
4275 // in the initial position now, bring it there.
4276 InitChessProgram(&first, 0);
4279 ics_getting_history = H_REQUESTED;
4280 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4283 forwardMostMove = backwardMostMove = currentMove = moveNum;
4286 /* Update the clocks */
4287 if (strchr(elapsed_time, '.')) {
4289 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4290 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4292 /* Time is in seconds */
4293 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4294 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4299 if (appData.zippyPlay && newGame &&
4300 gameMode != IcsObserving && gameMode != IcsIdle &&
4301 gameMode != IcsExamining)
4302 ZippyFirstBoard(moveNum, basetime, increment);
4305 /* Put the move on the move list, first converting
4306 to canonical algebraic form. */
4308 if (appData.debugMode) {
4309 if (appData.debugMode) { int f = forwardMostMove;
4310 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4311 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4312 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4314 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4315 fprintf(debugFP, "moveNum = %d\n", moveNum);
4316 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4317 setbuf(debugFP, NULL);
4319 if (moveNum <= backwardMostMove) {
4320 /* We don't know what the board looked like before
4322 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4323 strcat(parseList[moveNum - 1], " ");
4324 strcat(parseList[moveNum - 1], elapsed_time);
4325 moveList[moveNum - 1][0] = NULLCHAR;
4326 } else if (strcmp(move_str, "none") == 0) {
4327 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4328 /* Again, we don't know what the board looked like;
4329 this is really the start of the game. */
4330 parseList[moveNum - 1][0] = NULLCHAR;
4331 moveList[moveNum - 1][0] = NULLCHAR;
4332 backwardMostMove = moveNum;
4333 startedFromSetupPosition = TRUE;
4334 fromX = fromY = toX = toY = -1;
4336 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4337 // So we parse the long-algebraic move string in stead of the SAN move
4338 int valid; char buf[MSG_SIZ], *prom;
4340 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4341 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4342 // str looks something like "Q/a1-a2"; kill the slash
4344 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4345 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4346 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4347 strcat(buf, prom); // long move lacks promo specification!
4348 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4349 if(appData.debugMode)
4350 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4351 safeStrCpy(move_str, buf, sizeof(move_str)/sizeof(move_str[0]));
4353 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4354 &fromX, &fromY, &toX, &toY, &promoChar)
4355 || ParseOneMove(buf, moveNum - 1, &moveType,
4356 &fromX, &fromY, &toX, &toY, &promoChar);
4357 // end of long SAN patch
4359 (void) CoordsToAlgebraic(boards[moveNum - 1],
4360 PosFlags(moveNum - 1),
4361 fromY, fromX, toY, toX, promoChar,
4362 parseList[moveNum-1]);
4363 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4369 if(gameInfo.variant != VariantShogi)
4370 strcat(parseList[moveNum - 1], "+");
4373 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4374 strcat(parseList[moveNum - 1], "#");
4377 strcat(parseList[moveNum - 1], " ");
4378 strcat(parseList[moveNum - 1], elapsed_time);
4379 /* currentMoveString is set as a side-effect of ParseOneMove */
4380 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4381 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4382 strcat(moveList[moveNum - 1], "\n");
4384 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4385 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4386 ChessSquare old, new = boards[moveNum][k][j];
4387 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4388 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4389 if(old == new) continue;
4390 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4391 else if(new == WhiteWazir || new == BlackWazir) {
4392 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4393 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4394 else boards[moveNum][k][j] = old; // preserve type of Gold
4395 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4396 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4399 /* Move from ICS was illegal!? Punt. */
4400 if (appData.debugMode) {
4401 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4402 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4404 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4405 strcat(parseList[moveNum - 1], " ");
4406 strcat(parseList[moveNum - 1], elapsed_time);
4407 moveList[moveNum - 1][0] = NULLCHAR;
4408 fromX = fromY = toX = toY = -1;
4411 if (appData.debugMode) {
4412 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4413 setbuf(debugFP, NULL);
4417 /* Send move to chess program (BEFORE animating it). */
4418 if (appData.zippyPlay && !newGame && newMove &&
4419 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4421 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4422 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4423 if (moveList[moveNum - 1][0] == NULLCHAR) {
4424 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4426 DisplayError(str, 0);
4428 if (first.sendTime) {
4429 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4431 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4432 if (firstMove && !bookHit) {
4434 if (first.useColors) {
4435 SendToProgram(gameMode == IcsPlayingWhite ?
4437 "black\ngo\n", &first);
4439 SendToProgram("go\n", &first);
4441 first.maybeThinking = TRUE;
4444 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4445 if (moveList[moveNum - 1][0] == NULLCHAR) {
4446 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4447 DisplayError(str, 0);
4449 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4450 SendMoveToProgram(moveNum - 1, &first);
4457 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4458 /* If move comes from a remote source, animate it. If it
4459 isn't remote, it will have already been animated. */
4460 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4461 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4463 if (!pausing && appData.highlightLastMove) {
4464 SetHighlights(fromX, fromY, toX, toY);
4468 /* Start the clocks */
4469 whiteFlag = blackFlag = FALSE;
4470 appData.clockMode = !(basetime == 0 && increment == 0);
4472 ics_clock_paused = TRUE;
4474 } else if (ticking == 1) {
4475 ics_clock_paused = FALSE;
4477 if (gameMode == IcsIdle ||
4478 relation == RELATION_OBSERVING_STATIC ||
4479 relation == RELATION_EXAMINING ||
4481 DisplayBothClocks();
4485 /* Display opponents and material strengths */
4486 if (gameInfo.variant != VariantBughouse &&
4487 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4488 if (tinyLayout || smallLayout) {
4489 if(gameInfo.variant == VariantNormal)
4490 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4491 gameInfo.white, white_stren, gameInfo.black, black_stren,
4492 basetime, increment);
4494 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4495 gameInfo.white, white_stren, gameInfo.black, black_stren,
4496 basetime, increment, (int) gameInfo.variant);
4498 if(gameInfo.variant == VariantNormal)
4499 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4500 gameInfo.white, white_stren, gameInfo.black, black_stren,
4501 basetime, increment);
4503 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4504 gameInfo.white, white_stren, gameInfo.black, black_stren,
4505 basetime, increment, VariantName(gameInfo.variant));
4508 if (appData.debugMode) {
4509 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4514 /* Display the board */
4515 if (!pausing && !appData.noGUI) {
4517 if (appData.premove)
4519 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4520 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4521 ClearPremoveHighlights();
4523 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4524 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4525 DrawPosition(j, boards[currentMove]);
4527 DisplayMove(moveNum - 1);
4528 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4529 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4530 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4531 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4535 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4537 if(bookHit) { // [HGM] book: simulate book reply
4538 static char bookMove[MSG_SIZ]; // a bit generous?
4540 programStats.nodes = programStats.depth = programStats.time =
4541 programStats.score = programStats.got_only_move = 0;
4542 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4544 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4545 strcat(bookMove, bookHit);
4546 HandleMachineMove(bookMove, &first);
4555 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4556 ics_getting_history = H_REQUESTED;
4557 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4563 AnalysisPeriodicEvent(force)
4566 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4567 && !force) || !appData.periodicUpdates)
4570 /* Send . command to Crafty to collect stats */
4571 SendToProgram(".\n", &first);
4573 /* Don't send another until we get a response (this makes
4574 us stop sending to old Crafty's which don't understand
4575 the "." command (sending illegal cmds resets node count & time,
4576 which looks bad)) */
4577 programStats.ok_to_send = 0;
4580 void ics_update_width(new_width)
4583 ics_printf("set width %d\n", new_width);
4587 SendMoveToProgram(moveNum, cps)
4589 ChessProgramState *cps;
4593 if (cps->useUsermove) {
4594 SendToProgram("usermove ", cps);
4598 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4599 int len = space - parseList[moveNum];
4600 memcpy(buf, parseList[moveNum], len);
4602 buf[len] = NULLCHAR;
4604 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4606 SendToProgram(buf, cps);
4608 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4609 AlphaRank(moveList[moveNum], 4);
4610 SendToProgram(moveList[moveNum], cps);
4611 AlphaRank(moveList[moveNum], 4); // and back
4613 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4614 * the engine. It would be nice to have a better way to identify castle
4616 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4617 && cps->useOOCastle) {
4618 int fromX = moveList[moveNum][0] - AAA;
4619 int fromY = moveList[moveNum][1] - ONE;
4620 int toX = moveList[moveNum][2] - AAA;
4621 int toY = moveList[moveNum][3] - ONE;
4622 if((boards[moveNum][fromY][fromX] == WhiteKing
4623 && boards[moveNum][toY][toX] == WhiteRook)
4624 || (boards[moveNum][fromY][fromX] == BlackKing
4625 && boards[moveNum][toY][toX] == BlackRook)) {
4626 if(toX > fromX) SendToProgram("O-O\n", cps);
4627 else SendToProgram("O-O-O\n", cps);
4629 else SendToProgram(moveList[moveNum], cps);
4631 else SendToProgram(moveList[moveNum], cps);
4632 /* End of additions by Tord */
4635 /* [HGM] setting up the opening has brought engine in force mode! */
4636 /* Send 'go' if we are in a mode where machine should play. */
4637 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4638 (gameMode == TwoMachinesPlay ||
4640 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4642 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4643 SendToProgram("go\n", cps);
4644 if (appData.debugMode) {
4645 fprintf(debugFP, "(extra)\n");
4648 setboardSpoiledMachineBlack = 0;
4652 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4654 int fromX, fromY, toX, toY;
4657 char user_move[MSG_SIZ];
4661 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4662 (int)moveType, fromX, fromY, toX, toY);
4663 DisplayError(user_move + strlen("say "), 0);
4665 case WhiteKingSideCastle:
4666 case BlackKingSideCastle:
4667 case WhiteQueenSideCastleWild:
4668 case BlackQueenSideCastleWild:
4670 case WhiteHSideCastleFR:
4671 case BlackHSideCastleFR:
4673 snprintf(user_move, MSG_SIZ, "o-o\n");
4675 case WhiteQueenSideCastle:
4676 case BlackQueenSideCastle:
4677 case WhiteKingSideCastleWild:
4678 case BlackKingSideCastleWild:
4680 case WhiteASideCastleFR:
4681 case BlackASideCastleFR:
4683 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4685 case WhiteNonPromotion:
4686 case BlackNonPromotion:
4687 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4689 case WhitePromotion:
4690 case BlackPromotion:
4691 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4692 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4693 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4694 PieceToChar(WhiteFerz));
4695 else if(gameInfo.variant == VariantGreat)
4696 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4697 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4698 PieceToChar(WhiteMan));
4700 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4701 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4707 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4708 ToUpper(PieceToChar((ChessSquare) fromX)),
4709 AAA + toX, ONE + toY);
4711 case IllegalMove: /* could be a variant we don't quite understand */
4712 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4714 case WhiteCapturesEnPassant:
4715 case BlackCapturesEnPassant:
4716 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4717 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4720 SendToICS(user_move);
4721 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4722 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4727 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4728 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4729 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4730 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4731 DisplayError("You cannot do this while you are playing or observing", 0);
4734 if(gameMode != IcsExamining) { // is this ever not the case?
4735 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4737 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4738 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4739 } else { // on FICS we must first go to general examine mode
4740 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4742 if(gameInfo.variant != VariantNormal) {
4743 // try figure out wild number, as xboard names are not always valid on ICS
4744 for(i=1; i<=36; i++) {
4745 snprintf(buf, MSG_SIZ, "wild/%d", i);
4746 if(StringToVariant(buf) == gameInfo.variant) break;
4748 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4749 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4750 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4751 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4752 SendToICS(ics_prefix);
4754 if(startedFromSetupPosition || backwardMostMove != 0) {
4755 fen = PositionToFEN(backwardMostMove, NULL);
4756 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4757 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4759 } else { // FICS: everything has to set by separate bsetup commands
4760 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4761 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4763 if(!WhiteOnMove(backwardMostMove)) {
4764 SendToICS("bsetup tomove black\n");
4766 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4767 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4769 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4770 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4772 i = boards[backwardMostMove][EP_STATUS];
4773 if(i >= 0) { // set e.p.
4774 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4780 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4781 SendToICS("bsetup done\n"); // switch to normal examining.
4783 for(i = backwardMostMove; i<last; i++) {
4785 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4788 SendToICS(ics_prefix);
4789 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4793 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4798 if (rf == DROP_RANK) {
4799 sprintf(move, "%c@%c%c\n",
4800 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4802 if (promoChar == 'x' || promoChar == NULLCHAR) {
4803 sprintf(move, "%c%c%c%c\n",
4804 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4806 sprintf(move, "%c%c%c%c%c\n",
4807 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar == '^' ? '+' : promoChar);
4813 ProcessICSInitScript(f)
4818 while (fgets(buf, MSG_SIZ, f)) {
4819 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4826 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4828 AlphaRank(char *move, int n)
4830 // char *p = move, c; int x, y;
4832 if (appData.debugMode) {
4833 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4837 move[2]>='0' && move[2]<='9' &&
4838 move[3]>='a' && move[3]<='x' ) {
4840 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4841 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4843 if(move[0]>='0' && move[0]<='9' &&
4844 move[1]>='a' && move[1]<='x' &&
4845 move[2]>='0' && move[2]<='9' &&
4846 move[3]>='a' && move[3]<='x' ) {
4847 /* input move, Shogi -> normal */
4848 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4849 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4850 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4851 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4854 move[3]>='0' && move[3]<='9' &&
4855 move[2]>='a' && move[2]<='x' ) {
4857 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4858 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4861 move[0]>='a' && move[0]<='x' &&
4862 move[3]>='0' && move[3]<='9' &&
4863 move[2]>='a' && move[2]<='x' ) {
4864 /* output move, normal -> Shogi */
4865 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4866 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4867 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4868 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4869 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4871 if (appData.debugMode) {
4872 fprintf(debugFP, " out = '%s'\n", move);
4876 char yy_textstr[8000];
4878 /* Parser for moves from gnuchess, ICS, or user typein box */
4880 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4883 ChessMove *moveType;
4884 int *fromX, *fromY, *toX, *toY;
4887 char moveCopy[20], *p = moveCopy;
4888 strncpy(moveCopy, move, 20); // make a copy of move to preprocess it
4889 if(gameInfo.variant == VariantShogi) {
4890 while(*p && *p != ' ') p++;
4891 if(p[-1] == '+') p[-1] = '^'; // in Shogi '+' is promotion, distinguish from check
4893 if (appData.debugMode) {
4894 fprintf(debugFP, "move to parse: %s\n", moveCopy);
4896 *moveType = yylexstr(moveNum, moveCopy, yy_textstr, sizeof yy_textstr);
4898 switch (*moveType) {
4899 case WhitePromotion:
4900 case BlackPromotion:
4901 case WhiteNonPromotion:
4902 case BlackNonPromotion:
4904 case WhiteCapturesEnPassant:
4905 case BlackCapturesEnPassant:
4906 case WhiteKingSideCastle:
4907 case WhiteQueenSideCastle:
4908 case BlackKingSideCastle:
4909 case BlackQueenSideCastle:
4910 case WhiteKingSideCastleWild:
4911 case WhiteQueenSideCastleWild:
4912 case BlackKingSideCastleWild:
4913 case BlackQueenSideCastleWild:
4914 /* Code added by Tord: */
4915 case WhiteHSideCastleFR:
4916 case WhiteASideCastleFR:
4917 case BlackHSideCastleFR:
4918 case BlackASideCastleFR:
4919 /* End of code added by Tord */
4920 case IllegalMove: /* bug or odd chess variant */
4921 *fromX = currentMoveString[0] - AAA;
4922 *fromY = currentMoveString[1] - ONE;
4923 *toX = currentMoveString[2] - AAA;
4924 *toY = currentMoveString[3] - ONE;
4925 *promoChar = currentMoveString[4];
4926 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4927 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4928 if (appData.debugMode) {
4929 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4931 *fromX = *fromY = *toX = *toY = 0;
4934 if (appData.testLegality) {
4935 return (*moveType != IllegalMove);
4937 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4938 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4943 *fromX = *moveType == WhiteDrop ?
4944 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4945 (int) CharToPiece(ToLower(currentMoveString[0]));
4947 *toX = currentMoveString[2] - AAA;
4948 *toY = currentMoveString[3] - ONE;
4949 *promoChar = NULLCHAR;
4953 case ImpossibleMove:
4963 if (appData.debugMode) {
4964 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4967 *fromX = *fromY = *toX = *toY = 0;
4968 *promoChar = NULLCHAR;
4975 ParsePV(char *pv, Boolean storeComments)
4976 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4977 int fromX, fromY, toX, toY; char promoChar;
4982 endPV = forwardMostMove;
4984 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4985 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4986 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4987 if(appData.debugMode){
4988 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4990 if(!valid && nr == 0 &&
4991 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4992 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4993 // Hande case where played move is different from leading PV move
4994 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4995 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4996 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4997 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4998 endPV += 2; // if position different, keep this
4999 moveList[endPV-1][0] = fromX + AAA;
5000 moveList[endPV-1][1] = fromY + ONE;
5001 moveList[endPV-1][2] = toX + AAA;
5002 moveList[endPV-1][3] = toY + ONE;
5003 parseList[endPV-1][0] = NULLCHAR;
5004 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5007 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5008 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5009 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5010 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5011 valid++; // allow comments in PV
5015 if(endPV+1 > framePtr) break; // no space, truncate
5018 CopyBoard(boards[endPV], boards[endPV-1]);
5019 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5020 moveList[endPV-1][0] = fromX + AAA;
5021 moveList[endPV-1][1] = fromY + ONE;
5022 moveList[endPV-1][2] = toX + AAA;
5023 moveList[endPV-1][3] = toY + ONE;
5025 CoordsToAlgebraic(boards[endPV - 1],
5026 PosFlags(endPV - 1),
5027 fromY, fromX, toY, toX, promoChar,
5028 parseList[endPV - 1]);
5030 parseList[endPV-1][0] = NULLCHAR;
5032 currentMove = endPV;
5033 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5034 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5035 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5036 DrawPosition(TRUE, boards[currentMove]);
5039 static int lastX, lastY;
5042 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5047 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5048 lastX = x; lastY = y;
5049 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5051 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5052 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5054 do{ while(buf[index] && buf[index] != '\n') index++;
5055 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5057 ParsePV(buf+startPV, FALSE);
5058 *start = startPV; *end = index-1;
5063 LoadPV(int x, int y)
5064 { // called on right mouse click to load PV
5065 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5066 lastX = x; lastY = y;
5067 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5074 if(endPV < 0) return;
5076 currentMove = forwardMostMove;
5077 ClearPremoveHighlights();
5078 DrawPosition(TRUE, boards[currentMove]);
5082 MovePV(int x, int y, int h)
5083 { // step through PV based on mouse coordinates (called on mouse move)
5084 int margin = h>>3, step = 0;
5086 if(endPV < 0) return;
5087 // we must somehow check if right button is still down (might be released off board!)
5088 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5089 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5090 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5092 lastX = x; lastY = y;
5093 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5094 currentMove += step;
5095 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5096 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5097 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5098 DrawPosition(FALSE, boards[currentMove]);
5102 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5103 // All positions will have equal probability, but the current method will not provide a unique
5104 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5110 int piecesLeft[(int)BlackPawn];
5111 int seed, nrOfShuffles;
5113 void GetPositionNumber()
5114 { // sets global variable seed
5117 seed = appData.defaultFrcPosition;
5118 if(seed < 0) { // randomize based on time for negative FRC position numbers
5119 for(i=0; i<50; i++) seed += random();
5120 seed = random() ^ random() >> 8 ^ random() << 8;
5121 if(seed<0) seed = -seed;
5125 int put(Board board, int pieceType, int rank, int n, int shade)
5126 // put the piece on the (n-1)-th empty squares of the given shade
5130 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5131 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5132 board[rank][i] = (ChessSquare) pieceType;
5133 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5135 piecesLeft[pieceType]--;
5143 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5144 // calculate where the next piece goes, (any empty square), and put it there
5148 i = seed % squaresLeft[shade];
5149 nrOfShuffles *= squaresLeft[shade];
5150 seed /= squaresLeft[shade];
5151 put(board, pieceType, rank, i, shade);
5154 void AddTwoPieces(Board board, int pieceType, int rank)
5155 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5157 int i, n=squaresLeft[ANY], j=n-1, k;
5159 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5160 i = seed % k; // pick one
5163 while(i >= j) i -= j--;
5164 j = n - 1 - j; i += j;
5165 put(board, pieceType, rank, j, ANY);
5166 put(board, pieceType, rank, i, ANY);
5169 void SetUpShuffle(Board board, int number)
5173 GetPositionNumber(); nrOfShuffles = 1;
5175 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5176 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5177 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5179 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5181 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5182 p = (int) board[0][i];
5183 if(p < (int) BlackPawn) piecesLeft[p] ++;
5184 board[0][i] = EmptySquare;
5187 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5188 // shuffles restricted to allow normal castling put KRR first
5189 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5190 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5191 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5192 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5193 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5194 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5195 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5196 put(board, WhiteRook, 0, 0, ANY);
5197 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5200 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5201 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5202 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5203 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5204 while(piecesLeft[p] >= 2) {
5205 AddOnePiece(board, p, 0, LITE);
5206 AddOnePiece(board, p, 0, DARK);
5208 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5211 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5212 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5213 // but we leave King and Rooks for last, to possibly obey FRC restriction
5214 if(p == (int)WhiteRook) continue;
5215 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5216 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5219 // now everything is placed, except perhaps King (Unicorn) and Rooks
5221 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5222 // Last King gets castling rights
5223 while(piecesLeft[(int)WhiteUnicorn]) {
5224 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5225 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5228 while(piecesLeft[(int)WhiteKing]) {
5229 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5230 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5235 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5236 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5239 // Only Rooks can be left; simply place them all
5240 while(piecesLeft[(int)WhiteRook]) {
5241 i = put(board, WhiteRook, 0, 0, ANY);
5242 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5245 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5247 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5250 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5251 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5254 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5257 int SetCharTable( char *table, const char * map )
5258 /* [HGM] moved here from winboard.c because of its general usefulness */
5259 /* Basically a safe strcpy that uses the last character as King */
5261 int result = FALSE; int NrPieces;
5263 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5264 && NrPieces >= 12 && !(NrPieces&1)) {
5265 int i; /* [HGM] Accept even length from 12 to 34 */
5267 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5268 for( i=0; i<NrPieces/2-1; i++ ) {
5270 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5272 table[(int) WhiteKing] = map[NrPieces/2-1];
5273 table[(int) BlackKing] = map[NrPieces-1];
5281 void Prelude(Board board)
5282 { // [HGM] superchess: random selection of exo-pieces
5283 int i, j, k; ChessSquare p;
5284 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5286 GetPositionNumber(); // use FRC position number
5288 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5289 SetCharTable(pieceToChar, appData.pieceToCharTable);
5290 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5291 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5294 j = seed%4; seed /= 4;
5295 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5296 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5297 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5298 j = seed%3 + (seed%3 >= j); seed /= 3;
5299 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5300 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5301 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5302 j = seed%3; seed /= 3;
5303 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5304 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5305 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5306 j = seed%2 + (seed%2 >= j); seed /= 2;
5307 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5308 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5309 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5310 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5311 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5312 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5313 put(board, exoPieces[0], 0, 0, ANY);
5314 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5318 InitPosition(redraw)
5321 ChessSquare (* pieces)[BOARD_FILES];
5322 int i, j, pawnRow, overrule,
5323 oldx = gameInfo.boardWidth,
5324 oldy = gameInfo.boardHeight,
5325 oldh = gameInfo.holdingsWidth,
5326 oldv = gameInfo.variant;
5328 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5330 /* [AS] Initialize pv info list [HGM] and game status */
5332 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5333 pvInfoList[i].depth = 0;
5334 boards[i][EP_STATUS] = EP_NONE;
5335 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5338 initialRulePlies = 0; /* 50-move counter start */
5340 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5341 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5345 /* [HGM] logic here is completely changed. In stead of full positions */
5346 /* the initialized data only consist of the two backranks. The switch */
5347 /* selects which one we will use, which is than copied to the Board */
5348 /* initialPosition, which for the rest is initialized by Pawns and */
5349 /* empty squares. This initial position is then copied to boards[0], */
5350 /* possibly after shuffling, so that it remains available. */
5352 gameInfo.holdingsWidth = 0; /* default board sizes */
5353 gameInfo.boardWidth = 8;
5354 gameInfo.boardHeight = 8;
5355 gameInfo.holdingsSize = 0;
5356 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5357 for(i=0; i<BOARD_FILES-2; i++)
5358 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5359 initialPosition[EP_STATUS] = EP_NONE;
5360 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5361 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5362 SetCharTable(pieceNickName, appData.pieceNickNames);
5363 else SetCharTable(pieceNickName, "............");
5365 switch (gameInfo.variant) {
5366 case VariantFischeRandom:
5367 shuffleOpenings = TRUE;
5371 case VariantShatranj:
5372 pieces = ShatranjArray;
5373 nrCastlingRights = 0;
5374 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5377 pieces = makrukArray;
5378 nrCastlingRights = 0;
5379 startedFromSetupPosition = TRUE;
5380 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5382 case VariantTwoKings:
5383 pieces = twoKingsArray;
5385 case VariantCapaRandom:
5386 shuffleOpenings = TRUE;
5387 case VariantCapablanca:
5388 pieces = CapablancaArray;
5389 gameInfo.boardWidth = 10;
5390 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5393 pieces = GothicArray;
5394 gameInfo.boardWidth = 10;
5395 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5398 pieces = JanusArray;
5399 gameInfo.boardWidth = 10;
5400 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5401 nrCastlingRights = 6;
5402 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5403 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5404 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5405 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5406 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5407 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5410 pieces = FalconArray;
5411 gameInfo.boardWidth = 10;
5412 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5414 case VariantXiangqi:
5415 pieces = XiangqiArray;
5416 gameInfo.boardWidth = 9;
5417 gameInfo.boardHeight = 10;
5418 nrCastlingRights = 0;
5419 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5422 pieces = ShogiArray;
5423 gameInfo.boardWidth = 9;
5424 gameInfo.boardHeight = 9;
5425 gameInfo.holdingsSize = 7;
5426 nrCastlingRights = 0;
5427 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5429 case VariantCourier:
5430 pieces = CourierArray;
5431 gameInfo.boardWidth = 12;
5432 nrCastlingRights = 0;
5433 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5435 case VariantKnightmate:
5436 pieces = KnightmateArray;
5437 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5440 pieces = fairyArray;
5441 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5444 pieces = GreatArray;
5445 gameInfo.boardWidth = 10;
5446 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5447 gameInfo.holdingsSize = 8;
5451 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5452 gameInfo.holdingsSize = 8;
5453 startedFromSetupPosition = TRUE;
5455 case VariantCrazyhouse:
5456 case VariantBughouse:
5458 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5459 gameInfo.holdingsSize = 5;
5461 case VariantWildCastle:
5463 /* !!?shuffle with kings guaranteed to be on d or e file */
5464 shuffleOpenings = 1;
5466 case VariantNoCastle:
5468 nrCastlingRights = 0;
5469 /* !!?unconstrained back-rank shuffle */
5470 shuffleOpenings = 1;
5475 if(appData.NrFiles >= 0) {
5476 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5477 gameInfo.boardWidth = appData.NrFiles;
5479 if(appData.NrRanks >= 0) {
5480 gameInfo.boardHeight = appData.NrRanks;
5482 if(appData.holdingsSize >= 0) {
5483 i = appData.holdingsSize;
5484 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5485 gameInfo.holdingsSize = i;
5487 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5488 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5489 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5491 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5492 if(pawnRow < 1) pawnRow = 1;
5493 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5495 /* User pieceToChar list overrules defaults */
5496 if(appData.pieceToCharTable != NULL)
5497 SetCharTable(pieceToChar, appData.pieceToCharTable);
5499 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5501 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5502 s = (ChessSquare) 0; /* account holding counts in guard band */
5503 for( i=0; i<BOARD_HEIGHT; i++ )
5504 initialPosition[i][j] = s;
5506 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5507 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5508 initialPosition[pawnRow][j] = WhitePawn;
5509 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5510 if(gameInfo.variant == VariantXiangqi) {
5512 initialPosition[pawnRow][j] =
5513 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5514 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5515 initialPosition[2][j] = WhiteCannon;
5516 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5520 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5522 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5525 initialPosition[1][j] = WhiteBishop;
5526 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5528 initialPosition[1][j] = WhiteRook;
5529 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5532 if( nrCastlingRights == -1) {
5533 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5534 /* This sets default castling rights from none to normal corners */
5535 /* Variants with other castling rights must set them themselves above */
5536 nrCastlingRights = 6;
5538 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5539 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5540 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5541 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5542 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5543 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5546 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5547 if(gameInfo.variant == VariantGreat) { // promotion commoners
5548 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5549 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5550 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5551 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5553 if (appData.debugMode) {
5554 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5556 if(shuffleOpenings) {
5557 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5558 startedFromSetupPosition = TRUE;
5560 if(startedFromPositionFile) {
5561 /* [HGM] loadPos: use PositionFile for every new game */
5562 CopyBoard(initialPosition, filePosition);
5563 for(i=0; i<nrCastlingRights; i++)
5564 initialRights[i] = filePosition[CASTLING][i];
5565 startedFromSetupPosition = TRUE;
5568 CopyBoard(boards[0], initialPosition);
5570 if(oldx != gameInfo.boardWidth ||
5571 oldy != gameInfo.boardHeight ||
5572 oldh != gameInfo.holdingsWidth
5574 || oldv == VariantGothic || // For licensing popups
5575 gameInfo.variant == VariantGothic
5578 || oldv == VariantFalcon ||
5579 gameInfo.variant == VariantFalcon
5582 InitDrawingSizes(-2 ,0);
5585 DrawPosition(TRUE, boards[currentMove]);
5589 SendBoard(cps, moveNum)
5590 ChessProgramState *cps;
5593 char message[MSG_SIZ];
5595 if (cps->useSetboard) {
5596 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5597 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5598 SendToProgram(message, cps);
5604 /* Kludge to set black to move, avoiding the troublesome and now
5605 * deprecated "black" command.
5607 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5609 SendToProgram("edit\n", cps);
5610 SendToProgram("#\n", cps);
5611 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5612 bp = &boards[moveNum][i][BOARD_LEFT];
5613 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5614 if ((int) *bp < (int) BlackPawn) {
5615 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5617 if(message[0] == '+' || message[0] == '~') {
5618 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5619 PieceToChar((ChessSquare)(DEMOTED *bp)),
5622 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5623 message[1] = BOARD_RGHT - 1 - j + '1';
5624 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5626 SendToProgram(message, cps);
5631 SendToProgram("c\n", cps);
5632 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5633 bp = &boards[moveNum][i][BOARD_LEFT];
5634 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5635 if (((int) *bp != (int) EmptySquare)
5636 && ((int) *bp >= (int) BlackPawn)) {
5637 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5639 if(message[0] == '+' || message[0] == '~') {
5640 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5641 PieceToChar((ChessSquare)(DEMOTED *bp)),
5644 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5645 message[1] = BOARD_RGHT - 1 - j + '1';
5646 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5648 SendToProgram(message, cps);
5653 SendToProgram(".\n", cps);
5655 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5658 static int autoQueen; // [HGM] oneclick
5661 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5663 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5664 /* [HGM] add Shogi promotions */
5665 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5670 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5671 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5673 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5674 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5677 piece = boards[currentMove][fromY][fromX];
5678 if(gameInfo.variant == VariantShogi) {
5679 promotionZoneSize = BOARD_HEIGHT/3;
5680 highestPromotingPiece = (int)WhiteFerz;
5681 } else if(gameInfo.variant == VariantMakruk) {
5682 promotionZoneSize = 3;
5685 // next weed out all moves that do not touch the promotion zone at all
5686 if((int)piece >= BlackPawn) {
5687 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5689 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5691 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5692 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5695 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5697 // weed out mandatory Shogi promotions
5698 if(gameInfo.variant == VariantShogi) {
5699 if(piece >= BlackPawn) {
5700 if(toY == 0 && piece == BlackPawn ||
5701 toY == 0 && piece == BlackQueen ||
5702 toY <= 1 && piece == BlackKnight) {
5707 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5708 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5709 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5716 // weed out obviously illegal Pawn moves
5717 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5718 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5719 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5720 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5721 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5722 // note we are not allowed to test for valid (non-)capture, due to premove
5725 // we either have a choice what to promote to, or (in Shogi) whether to promote
5726 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5727 *promoChoice = PieceToChar(BlackFerz); // no choice
5730 // no sense asking what we must promote to if it is going to explode...
5731 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5732 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5735 if(autoQueen) { // predetermined
5736 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5737 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5738 else *promoChoice = PieceToChar(BlackQueen);
5742 // suppress promotion popup on illegal moves that are not premoves
5743 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5744 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5745 if(appData.testLegality && !premove) {
5746 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5747 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '^' : NULLCHAR);
5748 if(moveType != WhitePromotion && moveType != BlackPromotion)
5756 InPalace(row, column)
5758 { /* [HGM] for Xiangqi */
5759 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5760 column < (BOARD_WIDTH + 4)/2 &&
5761 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5766 PieceForSquare (x, y)
5770 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5773 return boards[currentMove][y][x];
5777 OKToStartUserMove(x, y)
5780 ChessSquare from_piece;
5783 if (matchMode) return FALSE;
5784 if (gameMode == EditPosition) return TRUE;
5786 if (x >= 0 && y >= 0)
5787 from_piece = boards[currentMove][y][x];
5789 from_piece = EmptySquare;
5791 if (from_piece == EmptySquare) return FALSE;
5793 white_piece = (int)from_piece >= (int)WhitePawn &&
5794 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5797 case PlayFromGameFile:
5799 case TwoMachinesPlay:
5807 case MachinePlaysWhite:
5808 case IcsPlayingBlack:
5809 if (appData.zippyPlay) return FALSE;
5811 DisplayMoveError(_("You are playing Black"));
5816 case MachinePlaysBlack:
5817 case IcsPlayingWhite:
5818 if (appData.zippyPlay) return FALSE;
5820 DisplayMoveError(_("You are playing White"));
5826 if (!white_piece && WhiteOnMove(currentMove)) {
5827 DisplayMoveError(_("It is White's turn"));
5830 if (white_piece && !WhiteOnMove(currentMove)) {
5831 DisplayMoveError(_("It is Black's turn"));
5834 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5835 /* Editing correspondence game history */
5836 /* Could disallow this or prompt for confirmation */
5841 case BeginningOfGame:
5842 if (appData.icsActive) return FALSE;
5843 if (!appData.noChessProgram) {
5845 DisplayMoveError(_("You are playing White"));
5852 if (!white_piece && WhiteOnMove(currentMove)) {
5853 DisplayMoveError(_("It is White's turn"));
5856 if (white_piece && !WhiteOnMove(currentMove)) {
5857 DisplayMoveError(_("It is Black's turn"));
5866 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5867 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5868 && gameMode != AnalyzeFile && gameMode != Training) {
5869 DisplayMoveError(_("Displayed position is not current"));
5876 OnlyMove(int *x, int *y, Boolean captures) {
5877 DisambiguateClosure cl;
5878 if (appData.zippyPlay) return FALSE;
5880 case MachinePlaysBlack:
5881 case IcsPlayingWhite:
5882 case BeginningOfGame:
5883 if(!WhiteOnMove(currentMove)) return FALSE;
5885 case MachinePlaysWhite:
5886 case IcsPlayingBlack:
5887 if(WhiteOnMove(currentMove)) return FALSE;
5894 cl.pieceIn = EmptySquare;
5899 cl.promoCharIn = NULLCHAR;
5900 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5901 if( cl.kind == NormalMove ||
5902 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5903 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5904 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5911 if(cl.kind != ImpossibleMove) return FALSE;
5912 cl.pieceIn = EmptySquare;
5917 cl.promoCharIn = NULLCHAR;
5918 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5919 if( cl.kind == NormalMove ||
5920 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5921 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5922 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5927 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5933 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5934 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5935 int lastLoadGameUseList = FALSE;
5936 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5937 ChessMove lastLoadGameStart = EndOfFile;
5940 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5941 int fromX, fromY, toX, toY;
5945 ChessSquare pdown, pup;
5947 /* Check if the user is playing in turn. This is complicated because we
5948 let the user "pick up" a piece before it is his turn. So the piece he
5949 tried to pick up may have been captured by the time he puts it down!
5950 Therefore we use the color the user is supposed to be playing in this
5951 test, not the color of the piece that is currently on the starting
5952 square---except in EditGame mode, where the user is playing both
5953 sides; fortunately there the capture race can't happen. (It can
5954 now happen in IcsExamining mode, but that's just too bad. The user
5955 will get a somewhat confusing message in that case.)
5959 case PlayFromGameFile:
5961 case TwoMachinesPlay:
5965 /* We switched into a game mode where moves are not accepted,
5966 perhaps while the mouse button was down. */
5969 case MachinePlaysWhite:
5970 /* User is moving for Black */
5971 if (WhiteOnMove(currentMove)) {
5972 DisplayMoveError(_("It is White's turn"));
5977 case MachinePlaysBlack:
5978 /* User is moving for White */
5979 if (!WhiteOnMove(currentMove)) {
5980 DisplayMoveError(_("It is Black's turn"));
5987 case BeginningOfGame:
5990 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5991 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5992 /* User is moving for Black */
5993 if (WhiteOnMove(currentMove)) {
5994 DisplayMoveError(_("It is White's turn"));
5998 /* User is moving for White */
5999 if (!WhiteOnMove(currentMove)) {
6000 DisplayMoveError(_("It is Black's turn"));
6006 case IcsPlayingBlack:
6007 /* User is moving for Black */
6008 if (WhiteOnMove(currentMove)) {
6009 if (!appData.premove) {
6010 DisplayMoveError(_("It is White's turn"));
6011 } else if (toX >= 0 && toY >= 0) {
6014 premoveFromX = fromX;
6015 premoveFromY = fromY;
6016 premovePromoChar = promoChar;
6018 if (appData.debugMode)
6019 fprintf(debugFP, "Got premove: fromX %d,"
6020 "fromY %d, toX %d, toY %d\n",
6021 fromX, fromY, toX, toY);
6027 case IcsPlayingWhite:
6028 /* User is moving for White */
6029 if (!WhiteOnMove(currentMove)) {
6030 if (!appData.premove) {
6031 DisplayMoveError(_("It is Black's turn"));
6032 } else if (toX >= 0 && toY >= 0) {
6035 premoveFromX = fromX;
6036 premoveFromY = fromY;
6037 premovePromoChar = promoChar;
6039 if (appData.debugMode)
6040 fprintf(debugFP, "Got premove: fromX %d,"
6041 "fromY %d, toX %d, toY %d\n",
6042 fromX, fromY, toX, toY);
6052 /* EditPosition, empty square, or different color piece;
6053 click-click move is possible */
6054 if (toX == -2 || toY == -2) {
6055 boards[0][fromY][fromX] = EmptySquare;
6056 DrawPosition(FALSE, boards[currentMove]);
6058 } else if (toX >= 0 && toY >= 0) {
6059 boards[0][toY][toX] = boards[0][fromY][fromX];
6060 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6061 if(boards[0][fromY][0] != EmptySquare) {
6062 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6063 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6066 if(fromX == BOARD_RGHT+1) {
6067 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6068 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6069 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6072 boards[0][fromY][fromX] = EmptySquare;
6073 DrawPosition(FALSE, boards[currentMove]);
6079 if(toX < 0 || toY < 0) return;
6080 pdown = boards[currentMove][fromY][fromX];
6081 pup = boards[currentMove][toY][toX];
6083 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6084 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6085 if( pup != EmptySquare ) return;
6086 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6087 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6088 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6089 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6090 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6091 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6092 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6096 /* [HGM] always test for legality, to get promotion info */
6097 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6098 fromY, fromX, toY, toX, promoChar);
6099 /* [HGM] but possibly ignore an IllegalMove result */
6100 if (appData.testLegality) {
6101 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6102 DisplayMoveError(_("Illegal move"));
6107 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6110 /* Common tail of UserMoveEvent and DropMenuEvent */
6112 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6114 int fromX, fromY, toX, toY;
6115 /*char*/int promoChar;
6119 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6120 // [HGM] superchess: suppress promotions to non-available piece
6121 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6122 if(WhiteOnMove(currentMove)) {
6123 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6125 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6129 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6130 move type in caller when we know the move is a legal promotion */
6131 if(moveType == NormalMove && promoChar)
6132 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6134 /* [HGM] <popupFix> The following if has been moved here from
6135 UserMoveEvent(). Because it seemed to belong here (why not allow
6136 piece drops in training games?), and because it can only be
6137 performed after it is known to what we promote. */
6138 if (gameMode == Training) {
6139 /* compare the move played on the board to the next move in the
6140 * game. If they match, display the move and the opponent's response.
6141 * If they don't match, display an error message.
6145 CopyBoard(testBoard, boards[currentMove]);
6146 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6148 if (CompareBoards(testBoard, boards[currentMove+1])) {
6149 ForwardInner(currentMove+1);
6151 /* Autoplay the opponent's response.
6152 * if appData.animate was TRUE when Training mode was entered,
6153 * the response will be animated.
6155 saveAnimate = appData.animate;
6156 appData.animate = animateTraining;
6157 ForwardInner(currentMove+1);
6158 appData.animate = saveAnimate;
6160 /* check for the end of the game */
6161 if (currentMove >= forwardMostMove) {
6162 gameMode = PlayFromGameFile;
6164 SetTrainingModeOff();
6165 DisplayInformation(_("End of game"));
6168 DisplayError(_("Incorrect move"), 0);
6173 /* Ok, now we know that the move is good, so we can kill
6174 the previous line in Analysis Mode */
6175 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6176 && currentMove < forwardMostMove) {
6177 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6178 else forwardMostMove = currentMove;
6181 /* If we need the chess program but it's dead, restart it */
6182 ResurrectChessProgram();
6184 /* A user move restarts a paused game*/
6188 thinkOutput[0] = NULLCHAR;
6190 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6192 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6194 if (gameMode == BeginningOfGame) {
6195 if (appData.noChessProgram) {
6196 gameMode = EditGame;
6200 gameMode = MachinePlaysBlack;
6203 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6205 if (first.sendName) {
6206 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6207 SendToProgram(buf, &first);
6214 /* Relay move to ICS or chess engine */
6215 if (appData.icsActive) {
6216 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6217 gameMode == IcsExamining) {
6218 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6219 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6221 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6223 // also send plain move, in case ICS does not understand atomic claims
6224 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6228 if (first.sendTime && (gameMode == BeginningOfGame ||
6229 gameMode == MachinePlaysWhite ||
6230 gameMode == MachinePlaysBlack)) {
6231 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6233 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6234 // [HGM] book: if program might be playing, let it use book
6235 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6236 first.maybeThinking = TRUE;
6237 } else SendMoveToProgram(forwardMostMove-1, &first);
6238 if (currentMove == cmailOldMove + 1) {
6239 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6243 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6247 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6253 if (WhiteOnMove(currentMove)) {
6254 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6256 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6260 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6265 case MachinePlaysBlack:
6266 case MachinePlaysWhite:
6267 /* disable certain menu options while machine is thinking */
6268 SetMachineThinkingEnables();
6275 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6277 if(bookHit) { // [HGM] book: simulate book reply
6278 static char bookMove[MSG_SIZ]; // a bit generous?
6280 programStats.nodes = programStats.depth = programStats.time =
6281 programStats.score = programStats.got_only_move = 0;
6282 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6284 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6285 strcat(bookMove, bookHit);
6286 HandleMachineMove(bookMove, &first);
6292 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6299 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6300 Markers *m = (Markers *) closure;
6301 if(rf == fromY && ff == fromX)
6302 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6303 || kind == WhiteCapturesEnPassant
6304 || kind == BlackCapturesEnPassant);
6305 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6309 MarkTargetSquares(int clear)
6312 if(!appData.markers || !appData.highlightDragging ||
6313 !appData.testLegality || gameMode == EditPosition) return;
6315 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6318 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6319 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6320 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6322 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6325 DrawPosition(TRUE, NULL);
6329 Explode(Board board, int fromX, int fromY, int toX, int toY)
6331 if(gameInfo.variant == VariantAtomic &&
6332 (board[toY][toX] != EmptySquare || // capture?
6333 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6334 board[fromY][fromX] == BlackPawn )
6336 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6342 void LeftClick(ClickType clickType, int xPix, int yPix)
6345 Boolean saveAnimate;
6346 static int second = 0, promotionChoice = 0, dragging = 0;
6347 char promoChoice = NULLCHAR;
6349 if(appData.seekGraph && appData.icsActive && loggedOn &&
6350 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6351 SeekGraphClick(clickType, xPix, yPix, 0);
6355 if (clickType == Press) ErrorPopDown();
6356 MarkTargetSquares(1);
6358 x = EventToSquare(xPix, BOARD_WIDTH);
6359 y = EventToSquare(yPix, BOARD_HEIGHT);
6360 if (!flipView && y >= 0) {
6361 y = BOARD_HEIGHT - 1 - y;
6363 if (flipView && x >= 0) {
6364 x = BOARD_WIDTH - 1 - x;
6367 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6368 if(clickType == Release) return; // ignore upclick of click-click destination
6369 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6370 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6371 if(gameInfo.holdingsWidth &&
6372 (WhiteOnMove(currentMove)
6373 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6374 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6375 // click in right holdings, for determining promotion piece
6376 ChessSquare p = boards[currentMove][y][x];
6377 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6378 if(p != EmptySquare) {
6379 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6384 DrawPosition(FALSE, boards[currentMove]);
6388 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6389 if(clickType == Press
6390 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6391 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6392 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6395 autoQueen = appData.alwaysPromoteToQueen;
6398 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6399 if (clickType == Press) {
6401 if (OKToStartUserMove(x, y)) {
6405 MarkTargetSquares(0);
6406 DragPieceBegin(xPix, yPix); dragging = 1;
6407 if (appData.highlightDragging) {
6408 SetHighlights(x, y, -1, -1);
6411 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6412 DragPieceEnd(xPix, yPix); dragging = 0;
6413 DrawPosition(FALSE, NULL);
6420 if (clickType == Press && gameMode != EditPosition) {
6425 // ignore off-board to clicks
6426 if(y < 0 || x < 0) return;
6428 /* Check if clicking again on the same color piece */
6429 fromP = boards[currentMove][fromY][fromX];
6430 toP = boards[currentMove][y][x];
6431 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6432 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6433 WhitePawn <= toP && toP <= WhiteKing &&
6434 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6435 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6436 (BlackPawn <= fromP && fromP <= BlackKing &&
6437 BlackPawn <= toP && toP <= BlackKing &&
6438 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6439 !(fromP == BlackKing && toP == BlackRook && frc))) {
6440 /* Clicked again on same color piece -- changed his mind */
6441 second = (x == fromX && y == fromY);
6442 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6443 if (appData.highlightDragging) {
6444 SetHighlights(x, y, -1, -1);
6448 if (OKToStartUserMove(x, y)) {
6450 fromY = y; dragging = 1;
6451 MarkTargetSquares(0);
6452 DragPieceBegin(xPix, yPix);
6457 // ignore clicks on holdings
6458 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6461 if (clickType == Release && x == fromX && y == fromY) {
6462 DragPieceEnd(xPix, yPix); dragging = 0;
6463 if (appData.animateDragging) {
6464 /* Undo animation damage if any */
6465 DrawPosition(FALSE, NULL);
6468 /* Second up/down in same square; just abort move */
6473 ClearPremoveHighlights();
6475 /* First upclick in same square; start click-click mode */
6476 SetHighlights(x, y, -1, -1);
6481 /* we now have a different from- and (possibly off-board) to-square */
6482 /* Completed move */
6485 saveAnimate = appData.animate;
6486 if (clickType == Press) {
6487 /* Finish clickclick move */
6488 if (appData.animate || appData.highlightLastMove) {
6489 SetHighlights(fromX, fromY, toX, toY);
6494 /* Finish drag move */
6495 if (appData.highlightLastMove) {
6496 SetHighlights(fromX, fromY, toX, toY);
6500 DragPieceEnd(xPix, yPix); dragging = 0;
6501 /* Don't animate move and drag both */
6502 appData.animate = FALSE;
6505 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6506 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6507 ChessSquare piece = boards[currentMove][fromY][fromX];
6508 if(gameMode == EditPosition && piece != EmptySquare &&
6509 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6512 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6513 n = PieceToNumber(piece - (int)BlackPawn);
6514 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6515 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6516 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6518 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6519 n = PieceToNumber(piece);
6520 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6521 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6522 boards[currentMove][n][BOARD_WIDTH-2]++;
6524 boards[currentMove][fromY][fromX] = EmptySquare;
6528 DrawPosition(TRUE, boards[currentMove]);
6532 // off-board moves should not be highlighted
6533 if(x < 0 || x < 0) ClearHighlights();
6535 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6536 SetHighlights(fromX, fromY, toX, toY);
6537 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6538 // [HGM] super: promotion to captured piece selected from holdings
6539 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6540 promotionChoice = TRUE;
6541 // kludge follows to temporarily execute move on display, without promoting yet
6542 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6543 boards[currentMove][toY][toX] = p;
6544 DrawPosition(FALSE, boards[currentMove]);
6545 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6546 boards[currentMove][toY][toX] = q;
6547 DisplayMessage("Click in holdings to choose piece", "");
6552 int oldMove = currentMove;
6553 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6554 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6555 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6556 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6557 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6558 DrawPosition(TRUE, boards[currentMove]);
6561 appData.animate = saveAnimate;
6562 if (appData.animate || appData.animateDragging) {
6563 /* Undo animation damage if needed */
6564 DrawPosition(FALSE, NULL);
6568 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6569 { // front-end-free part taken out of PieceMenuPopup
6570 int whichMenu; int xSqr, ySqr;
6572 if(seekGraphUp) { // [HGM] seekgraph
6573 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6574 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6578 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6579 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6580 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6581 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6582 if(action == Press) {
6583 originalFlip = flipView;
6584 flipView = !flipView; // temporarily flip board to see game from partners perspective
6585 DrawPosition(TRUE, partnerBoard);
6586 DisplayMessage(partnerStatus, "");
6588 } else if(action == Release) {
6589 flipView = originalFlip;
6590 DrawPosition(TRUE, boards[currentMove]);
6596 xSqr = EventToSquare(x, BOARD_WIDTH);
6597 ySqr = EventToSquare(y, BOARD_HEIGHT);
6598 if (action == Release) UnLoadPV(); // [HGM] pv
6599 if (action != Press) return -2; // return code to be ignored
6602 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6604 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6605 if (xSqr < 0 || ySqr < 0) return -1;
\r
6606 whichMenu = 0; // edit-position menu
6609 if(!appData.icsEngineAnalyze) return -1;
6610 case IcsPlayingWhite:
6611 case IcsPlayingBlack:
6612 if(!appData.zippyPlay) goto noZip;
6615 case MachinePlaysWhite:
6616 case MachinePlaysBlack:
6617 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6618 if (!appData.dropMenu) {
6620 return 2; // flag front-end to grab mouse events
6622 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6623 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6626 if (xSqr < 0 || ySqr < 0) return -1;
6627 if (!appData.dropMenu || appData.testLegality &&
6628 gameInfo.variant != VariantBughouse &&
6629 gameInfo.variant != VariantCrazyhouse) return -1;
6630 whichMenu = 1; // drop menu
6636 if (((*fromX = xSqr) < 0) ||
6637 ((*fromY = ySqr) < 0)) {
6638 *fromX = *fromY = -1;
6642 *fromX = BOARD_WIDTH - 1 - *fromX;
6644 *fromY = BOARD_HEIGHT - 1 - *fromY;
6649 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6651 // char * hint = lastHint;
6652 FrontEndProgramStats stats;
6654 stats.which = cps == &first ? 0 : 1;
6655 stats.depth = cpstats->depth;
6656 stats.nodes = cpstats->nodes;
6657 stats.score = cpstats->score;
6658 stats.time = cpstats->time;
6659 stats.pv = cpstats->movelist;
6660 stats.hint = lastHint;
6661 stats.an_move_index = 0;
6662 stats.an_move_count = 0;
6664 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6665 stats.hint = cpstats->move_name;
6666 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6667 stats.an_move_count = cpstats->nr_moves;
6670 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
6672 SetProgramStats( &stats );
6676 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6677 { // count all piece types
6679 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6680 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6681 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6684 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6685 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6686 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6687 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6688 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6689 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6694 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6696 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6697 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6699 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6700 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6701 if(myPawns == 2 && nMine == 3) // KPP
6702 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6703 if(myPawns == 1 && nMine == 2) // KP
6704 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6705 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6706 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6707 if(myPawns) return FALSE;
6708 if(pCnt[WhiteRook+side])
6709 return pCnt[BlackRook-side] ||
6710 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6711 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6712 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6713 if(pCnt[WhiteCannon+side]) {
6714 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6715 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6717 if(pCnt[WhiteKnight+side])
6718 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6723 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6725 VariantClass v = gameInfo.variant;
6727 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6728 if(v == VariantShatranj) return TRUE; // always winnable through baring
6729 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6730 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6732 if(v == VariantXiangqi) {
6733 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6735 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6736 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6737 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6738 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6739 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6740 if(stale) // we have at least one last-rank P plus perhaps C
6741 return majors // KPKX
6742 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6744 return pCnt[WhiteFerz+side] // KCAK
6745 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6746 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6747 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6749 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6750 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6752 if(nMine == 1) return FALSE; // bare King
6753 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
6754 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6755 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6756 // by now we have King + 1 piece (or multiple Bishops on the same color)
6757 if(pCnt[WhiteKnight+side])
6758 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6759 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6760 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6762 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6763 if(pCnt[WhiteAlfil+side])
6764 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6765 if(pCnt[WhiteWazir+side])
6766 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6773 Adjudicate(ChessProgramState *cps)
6774 { // [HGM] some adjudications useful with buggy engines
6775 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6776 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6777 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6778 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6779 int k, count = 0; static int bare = 1;
6780 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6781 Boolean canAdjudicate = !appData.icsActive;
6783 // most tests only when we understand the game, i.e. legality-checking on
6784 if( appData.testLegality )
6785 { /* [HGM] Some more adjudications for obstinate engines */
6786 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6787 static int moveCount = 6;
6789 char *reason = NULL;
6791 /* Count what is on board. */
6792 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6794 /* Some material-based adjudications that have to be made before stalemate test */
6795 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6796 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6797 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6798 if(canAdjudicate && appData.checkMates) {
6800 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6801 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6802 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6803 "Xboard adjudication: King destroyed", GE_XBOARD );
6808 /* Bare King in Shatranj (loses) or Losers (wins) */
6809 if( nrW == 1 || nrB == 1) {
6810 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6811 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6812 if(canAdjudicate && appData.checkMates) {
6814 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6815 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6816 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6817 "Xboard adjudication: Bare king", GE_XBOARD );
6821 if( gameInfo.variant == VariantShatranj && --bare < 0)
6823 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6824 if(canAdjudicate && appData.checkMates) {
6825 /* but only adjudicate if adjudication enabled */
6827 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6828 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6829 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6830 "Xboard adjudication: Bare king", GE_XBOARD );
6837 // don't wait for engine to announce game end if we can judge ourselves
6838 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6840 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6841 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6842 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6843 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6846 reason = "Xboard adjudication: 3rd check";
6847 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6857 reason = "Xboard adjudication: Stalemate";
6858 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6859 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6860 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6861 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6862 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6863 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6864 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6865 EP_CHECKMATE : EP_WINS);
6866 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6867 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6871 reason = "Xboard adjudication: Checkmate";
6872 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6876 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6878 result = GameIsDrawn; break;
6880 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6882 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6886 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6888 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6889 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6890 GameEnds( result, reason, GE_XBOARD );
6894 /* Next absolutely insufficient mating material. */
6895 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6896 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6897 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6899 /* always flag draws, for judging claims */
6900 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6902 if(canAdjudicate && appData.materialDraws) {
6903 /* but only adjudicate them if adjudication enabled */
6904 if(engineOpponent) {
6905 SendToProgram("force\n", engineOpponent); // suppress reply
6906 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6908 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6909 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6914 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6915 if(gameInfo.variant == VariantXiangqi ?
6916 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6918 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6919 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6920 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6921 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6923 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6924 { /* if the first 3 moves do not show a tactical win, declare draw */
6925 if(engineOpponent) {
6926 SendToProgram("force\n", engineOpponent); // suppress reply
6927 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6929 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6930 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6933 } else moveCount = 6;
6935 if (appData.debugMode) { int i;
6936 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6937 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6938 appData.drawRepeats);
6939 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6940 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6944 // Repetition draws and 50-move rule can be applied independently of legality testing
6946 /* Check for rep-draws */
6948 for(k = forwardMostMove-2;
6949 k>=backwardMostMove && k>=forwardMostMove-100 &&
6950 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6951 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6954 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6955 /* compare castling rights */
6956 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6957 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6958 rights++; /* King lost rights, while rook still had them */
6959 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6960 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6961 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6962 rights++; /* but at least one rook lost them */
6964 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6965 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6967 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6968 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6969 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6972 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6973 && appData.drawRepeats > 1) {
6974 /* adjudicate after user-specified nr of repeats */
6975 int result = GameIsDrawn;
6976 char *details = "XBoard adjudication: repetition draw";
6977 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6978 // [HGM] xiangqi: check for forbidden perpetuals
6979 int m, ourPerpetual = 1, hisPerpetual = 1;
6980 for(m=forwardMostMove; m>k; m-=2) {
6981 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6982 ourPerpetual = 0; // the current mover did not always check
6983 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6984 hisPerpetual = 0; // the opponent did not always check
6986 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6987 ourPerpetual, hisPerpetual);
6988 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6989 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6990 details = "Xboard adjudication: perpetual checking";
6992 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6993 break; // (or we would have caught him before). Abort repetition-checking loop.
6995 // Now check for perpetual chases
6996 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6997 hisPerpetual = PerpetualChase(k, forwardMostMove);
6998 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6999 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7000 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7001 details = "Xboard adjudication: perpetual chasing";
7003 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7004 break; // Abort repetition-checking loop.
7006 // if neither of us is checking or chasing all the time, or both are, it is draw
7008 if(engineOpponent) {
7009 SendToProgram("force\n", engineOpponent); // suppress reply
7010 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7012 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7013 GameEnds( result, details, GE_XBOARD );
7016 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7017 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7021 /* Now we test for 50-move draws. Determine ply count */
7022 count = forwardMostMove;
7023 /* look for last irreversble move */
7024 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7026 /* if we hit starting position, add initial plies */
7027 if( count == backwardMostMove )
7028 count -= initialRulePlies;
7029 count = forwardMostMove - count;
7030 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7031 // adjust reversible move counter for checks in Xiangqi
7032 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7033 if(i < backwardMostMove) i = backwardMostMove;
7034 while(i <= forwardMostMove) {
7035 lastCheck = inCheck; // check evasion does not count
7036 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7037 if(inCheck || lastCheck) count--; // check does not count
7042 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7043 /* this is used to judge if draw claims are legal */
7044 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7045 if(engineOpponent) {
7046 SendToProgram("force\n", engineOpponent); // suppress reply
7047 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7049 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7050 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7054 /* if draw offer is pending, treat it as a draw claim
7055 * when draw condition present, to allow engines a way to
7056 * claim draws before making their move to avoid a race
7057 * condition occurring after their move
7059 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7061 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7062 p = "Draw claim: 50-move rule";
7063 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7064 p = "Draw claim: 3-fold repetition";
7065 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7066 p = "Draw claim: insufficient mating material";
7067 if( p != NULL && canAdjudicate) {
7068 if(engineOpponent) {
7069 SendToProgram("force\n", engineOpponent); // suppress reply
7070 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7072 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7073 GameEnds( GameIsDrawn, p, GE_XBOARD );
7078 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7079 if(engineOpponent) {
7080 SendToProgram("force\n", engineOpponent); // suppress reply
7081 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7083 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7084 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7090 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7091 { // [HGM] book: this routine intercepts moves to simulate book replies
7092 char *bookHit = NULL;
7094 //first determine if the incoming move brings opponent into his book
7095 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7096 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7097 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7098 if(bookHit != NULL && !cps->bookSuspend) {
7099 // make sure opponent is not going to reply after receiving move to book position
7100 SendToProgram("force\n", cps);
7101 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7103 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7104 // now arrange restart after book miss
7106 // after a book hit we never send 'go', and the code after the call to this routine
7107 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7109 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7110 SendToProgram(buf, cps);
7111 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7112 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7113 SendToProgram("go\n", cps);
7114 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7115 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7116 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7117 SendToProgram("go\n", cps);
7118 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7120 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7124 ChessProgramState *savedState;
7125 void DeferredBookMove(void)
7127 if(savedState->lastPing != savedState->lastPong)
7128 ScheduleDelayedEvent(DeferredBookMove, 10);
7130 HandleMachineMove(savedMessage, savedState);
7134 HandleMachineMove(message, cps)
7136 ChessProgramState *cps;
7138 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7139 char realname[MSG_SIZ];
7140 int fromX, fromY, toX, toY;
7149 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7151 * Kludge to ignore BEL characters
7153 while (*message == '\007') message++;
7156 * [HGM] engine debug message: ignore lines starting with '#' character
7158 if(cps->debug && *message == '#') return;
7161 * Look for book output
7163 if (cps == &first && bookRequested) {
7164 if (message[0] == '\t' || message[0] == ' ') {
7165 /* Part of the book output is here; append it */
7166 strcat(bookOutput, message);
7167 strcat(bookOutput, " \n");
7169 } else if (bookOutput[0] != NULLCHAR) {
7170 /* All of book output has arrived; display it */
7171 char *p = bookOutput;
7172 while (*p != NULLCHAR) {
7173 if (*p == '\t') *p = ' ';
7176 DisplayInformation(bookOutput);
7177 bookRequested = FALSE;
7178 /* Fall through to parse the current output */
7183 * Look for machine move.
7185 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7186 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7188 /* This method is only useful on engines that support ping */
7189 if (cps->lastPing != cps->lastPong) {
7190 if (gameMode == BeginningOfGame) {
7191 /* Extra move from before last new; ignore */
7192 if (appData.debugMode) {
7193 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7196 if (appData.debugMode) {
7197 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7198 cps->which, gameMode);
7201 SendToProgram("undo\n", cps);
7207 case BeginningOfGame:
7208 /* Extra move from before last reset; ignore */
7209 if (appData.debugMode) {
7210 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7217 /* Extra move after we tried to stop. The mode test is
7218 not a reliable way of detecting this problem, but it's
7219 the best we can do on engines that don't support ping.
7221 if (appData.debugMode) {
7222 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7223 cps->which, gameMode);
7225 SendToProgram("undo\n", cps);
7228 case MachinePlaysWhite:
7229 case IcsPlayingWhite:
7230 machineWhite = TRUE;
7233 case MachinePlaysBlack:
7234 case IcsPlayingBlack:
7235 machineWhite = FALSE;
7238 case TwoMachinesPlay:
7239 machineWhite = (cps->twoMachinesColor[0] == 'w');
7242 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7243 if (appData.debugMode) {
7245 "Ignoring move out of turn by %s, gameMode %d"
7246 ", forwardMost %d\n",
7247 cps->which, gameMode, forwardMostMove);
7252 if (appData.debugMode) { int f = forwardMostMove;
7253 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7254 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7255 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7257 if(cps->alphaRank) AlphaRank(machineMove, 4);
7258 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7259 &fromX, &fromY, &toX, &toY, &promoChar)) {
7260 /* Machine move could not be parsed; ignore it. */
7261 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7262 machineMove, cps->which);
7263 DisplayError(buf1, 0);
7264 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7265 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7266 if (gameMode == TwoMachinesPlay) {
7267 GameEnds(machineWhite ? BlackWins : WhiteWins,
7273 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7274 /* So we have to redo legality test with true e.p. status here, */
7275 /* to make sure an illegal e.p. capture does not slip through, */
7276 /* to cause a forfeit on a justified illegal-move complaint */
7277 /* of the opponent. */
7278 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7280 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7281 fromY, fromX, toY, toX, promoChar);
7282 if (appData.debugMode) {
7284 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7285 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7286 fprintf(debugFP, "castling rights\n");
7288 if(moveType == IllegalMove) {
7289 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7290 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7291 GameEnds(machineWhite ? BlackWins : WhiteWins,
7294 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7295 /* [HGM] Kludge to handle engines that send FRC-style castling
7296 when they shouldn't (like TSCP-Gothic) */
7298 case WhiteASideCastleFR:
7299 case BlackASideCastleFR:
7301 currentMoveString[2]++;
7303 case WhiteHSideCastleFR:
7304 case BlackHSideCastleFR:
7306 currentMoveString[2]--;
7308 default: ; // nothing to do, but suppresses warning of pedantic compilers
7311 hintRequested = FALSE;
7312 lastHint[0] = NULLCHAR;
7313 bookRequested = FALSE;
7314 /* Program may be pondering now */
7315 cps->maybeThinking = TRUE;
7316 if (cps->sendTime == 2) cps->sendTime = 1;
7317 if (cps->offeredDraw) cps->offeredDraw--;
7319 /* currentMoveString is set as a side-effect of ParseOneMove */
7320 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7321 strcat(machineMove, "\n");
7322 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7324 /* [AS] Save move info*/
7325 pvInfoList[ forwardMostMove ].score = programStats.score;
7326 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7327 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7329 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7331 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7332 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7335 while( count < adjudicateLossPlies ) {
7336 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7339 score = -score; /* Flip score for winning side */
7342 if( score > adjudicateLossThreshold ) {
7349 if( count >= adjudicateLossPlies ) {
7350 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7352 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7353 "Xboard adjudication",
7360 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7363 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7365 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7366 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7368 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7370 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7372 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7373 char buf[3*MSG_SIZ];
7375 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7376 programStats.score / 100.,
7378 programStats.time / 100.,
7379 (unsigned int)programStats.nodes,
7380 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7381 programStats.movelist);
7383 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7388 /* [AS] Clear stats for next move */
7389 ClearProgramStats();
7390 thinkOutput[0] = NULLCHAR;
7391 hiddenThinkOutputState = 0;
7394 if (gameMode == TwoMachinesPlay) {
7395 /* [HGM] relaying draw offers moved to after reception of move */
7396 /* and interpreting offer as claim if it brings draw condition */
7397 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7398 SendToProgram("draw\n", cps->other);
7400 if (cps->other->sendTime) {
7401 SendTimeRemaining(cps->other,
7402 cps->other->twoMachinesColor[0] == 'w');
7404 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7405 if (firstMove && !bookHit) {
7407 if (cps->other->useColors) {
7408 SendToProgram(cps->other->twoMachinesColor, cps->other);
7410 SendToProgram("go\n", cps->other);
7412 cps->other->maybeThinking = TRUE;
7415 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7417 if (!pausing && appData.ringBellAfterMoves) {
7422 * Reenable menu items that were disabled while
7423 * machine was thinking
7425 if (gameMode != TwoMachinesPlay)
7426 SetUserThinkingEnables();
7428 // [HGM] book: after book hit opponent has received move and is now in force mode
7429 // force the book reply into it, and then fake that it outputted this move by jumping
7430 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7432 static char bookMove[MSG_SIZ]; // a bit generous?
7434 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7435 strcat(bookMove, bookHit);
7438 programStats.nodes = programStats.depth = programStats.time =
7439 programStats.score = programStats.got_only_move = 0;
7440 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7442 if(cps->lastPing != cps->lastPong) {
7443 savedMessage = message; // args for deferred call
7445 ScheduleDelayedEvent(DeferredBookMove, 10);
7454 /* Set special modes for chess engines. Later something general
7455 * could be added here; for now there is just one kludge feature,
7456 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7457 * when "xboard" is given as an interactive command.
7459 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7460 cps->useSigint = FALSE;
7461 cps->useSigterm = FALSE;
7463 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7464 ParseFeatures(message+8, cps);
7465 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7468 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7469 * want this, I was asked to put it in, and obliged.
7471 if (!strncmp(message, "setboard ", 9)) {
7472 Board initial_position;
7474 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7476 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7477 DisplayError(_("Bad FEN received from engine"), 0);
7481 CopyBoard(boards[0], initial_position);
7482 initialRulePlies = FENrulePlies;
7483 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7484 else gameMode = MachinePlaysBlack;
7485 DrawPosition(FALSE, boards[currentMove]);
7491 * Look for communication commands
7493 if (!strncmp(message, "telluser ", 9)) {
7494 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7495 DisplayNote(message + 9);
7498 if (!strncmp(message, "tellusererror ", 14)) {
7500 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7501 DisplayError(message + 14, 0);
7504 if (!strncmp(message, "tellopponent ", 13)) {
7505 if (appData.icsActive) {
7507 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7511 DisplayNote(message + 13);
7515 if (!strncmp(message, "tellothers ", 11)) {
7516 if (appData.icsActive) {
7518 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7524 if (!strncmp(message, "tellall ", 8)) {
7525 if (appData.icsActive) {
7527 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7531 DisplayNote(message + 8);
7535 if (strncmp(message, "warning", 7) == 0) {
7536 /* Undocumented feature, use tellusererror in new code */
7537 DisplayError(message, 0);
7540 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7541 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7542 strcat(realname, " query");
7543 AskQuestion(realname, buf2, buf1, cps->pr);
7546 /* Commands from the engine directly to ICS. We don't allow these to be
7547 * sent until we are logged on. Crafty kibitzes have been known to
7548 * interfere with the login process.
7551 if (!strncmp(message, "tellics ", 8)) {
7552 SendToICS(message + 8);
7556 if (!strncmp(message, "tellicsnoalias ", 15)) {
7557 SendToICS(ics_prefix);
7558 SendToICS(message + 15);
7562 /* The following are for backward compatibility only */
7563 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7564 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7565 SendToICS(ics_prefix);
7571 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7575 * If the move is illegal, cancel it and redraw the board.
7576 * Also deal with other error cases. Matching is rather loose
7577 * here to accommodate engines written before the spec.
7579 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7580 strncmp(message, "Error", 5) == 0) {
7581 if (StrStr(message, "name") ||
7582 StrStr(message, "rating") || StrStr(message, "?") ||
7583 StrStr(message, "result") || StrStr(message, "board") ||
7584 StrStr(message, "bk") || StrStr(message, "computer") ||
7585 StrStr(message, "variant") || StrStr(message, "hint") ||
7586 StrStr(message, "random") || StrStr(message, "depth") ||
7587 StrStr(message, "accepted")) {
7590 if (StrStr(message, "protover")) {
7591 /* Program is responding to input, so it's apparently done
7592 initializing, and this error message indicates it is
7593 protocol version 1. So we don't need to wait any longer
7594 for it to initialize and send feature commands. */
7595 FeatureDone(cps, 1);
7596 cps->protocolVersion = 1;
7599 cps->maybeThinking = FALSE;
7601 if (StrStr(message, "draw")) {
7602 /* Program doesn't have "draw" command */
7603 cps->sendDrawOffers = 0;
7606 if (cps->sendTime != 1 &&
7607 (StrStr(message, "time") || StrStr(message, "otim"))) {
7608 /* Program apparently doesn't have "time" or "otim" command */
7612 if (StrStr(message, "analyze")) {
7613 cps->analysisSupport = FALSE;
7614 cps->analyzing = FALSE;
7616 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7617 DisplayError(buf2, 0);
7620 if (StrStr(message, "(no matching move)st")) {
7621 /* Special kludge for GNU Chess 4 only */
7622 cps->stKludge = TRUE;
7623 SendTimeControl(cps, movesPerSession, timeControl,
7624 timeIncrement, appData.searchDepth,
7628 if (StrStr(message, "(no matching move)sd")) {
7629 /* Special kludge for GNU Chess 4 only */
7630 cps->sdKludge = TRUE;
7631 SendTimeControl(cps, movesPerSession, timeControl,
7632 timeIncrement, appData.searchDepth,
7636 if (!StrStr(message, "llegal")) {
7639 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7640 gameMode == IcsIdle) return;
7641 if (forwardMostMove <= backwardMostMove) return;
7642 if (pausing) PauseEvent();
7643 if(appData.forceIllegal) {
7644 // [HGM] illegal: machine refused move; force position after move into it
7645 SendToProgram("force\n", cps);
7646 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7647 // we have a real problem now, as SendBoard will use the a2a3 kludge
7648 // when black is to move, while there might be nothing on a2 or black
7649 // might already have the move. So send the board as if white has the move.
7650 // But first we must change the stm of the engine, as it refused the last move
7651 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7652 if(WhiteOnMove(forwardMostMove)) {
7653 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7654 SendBoard(cps, forwardMostMove); // kludgeless board
7656 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7657 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7658 SendBoard(cps, forwardMostMove+1); // kludgeless board
7660 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7661 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7662 gameMode == TwoMachinesPlay)
7663 SendToProgram("go\n", cps);
7666 if (gameMode == PlayFromGameFile) {
7667 /* Stop reading this game file */
7668 gameMode = EditGame;
7671 currentMove = forwardMostMove-1;
7672 DisplayMove(currentMove-1); /* before DisplayMoveError */
7673 SwitchClocks(forwardMostMove-1); // [HGM] race
7674 DisplayBothClocks();
7675 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7676 parseList[currentMove], cps->which);
7677 DisplayMoveError(buf1);
7678 DrawPosition(FALSE, boards[currentMove]);
7680 /* [HGM] illegal-move claim should forfeit game when Xboard */
7681 /* only passes fully legal moves */
7682 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7683 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7684 "False illegal-move claim", GE_XBOARD );
7688 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7689 /* Program has a broken "time" command that
7690 outputs a string not ending in newline.
7696 * If chess program startup fails, exit with an error message.
7697 * Attempts to recover here are futile.
7699 if ((StrStr(message, "unknown host") != NULL)
7700 || (StrStr(message, "No remote directory") != NULL)
7701 || (StrStr(message, "not found") != NULL)
7702 || (StrStr(message, "No such file") != NULL)
7703 || (StrStr(message, "can't alloc") != NULL)
7704 || (StrStr(message, "Permission denied") != NULL)) {
7706 cps->maybeThinking = FALSE;
7707 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7708 cps->which, cps->program, cps->host, message);
7709 RemoveInputSource(cps->isr);
7710 DisplayFatalError(buf1, 0, 1);
7715 * Look for hint output
7717 if (sscanf(message, "Hint: %s", buf1) == 1) {
7718 if (cps == &first && hintRequested) {
7719 hintRequested = FALSE;
7720 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7721 &fromX, &fromY, &toX, &toY, &promoChar)) {
7722 (void) CoordsToAlgebraic(boards[forwardMostMove],
7723 PosFlags(forwardMostMove),
7724 fromY, fromX, toY, toX, promoChar, buf1);
7725 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7726 DisplayInformation(buf2);
7728 /* Hint move could not be parsed!? */
7729 snprintf(buf2, sizeof(buf2),
7730 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7732 DisplayError(buf2, 0);
7735 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7741 * Ignore other messages if game is not in progress
7743 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7744 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7747 * look for win, lose, draw, or draw offer
7749 if (strncmp(message, "1-0", 3) == 0) {
7750 char *p, *q, *r = "";
7751 p = strchr(message, '{');
7759 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7761 } else if (strncmp(message, "0-1", 3) == 0) {
7762 char *p, *q, *r = "";
7763 p = strchr(message, '{');
7771 /* Kludge for Arasan 4.1 bug */
7772 if (strcmp(r, "Black resigns") == 0) {
7773 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7776 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7778 } else if (strncmp(message, "1/2", 3) == 0) {
7779 char *p, *q, *r = "";
7780 p = strchr(message, '{');
7789 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7792 } else if (strncmp(message, "White resign", 12) == 0) {
7793 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7795 } else if (strncmp(message, "Black resign", 12) == 0) {
7796 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7798 } else if (strncmp(message, "White matches", 13) == 0 ||
7799 strncmp(message, "Black matches", 13) == 0 ) {
7800 /* [HGM] ignore GNUShogi noises */
7802 } else if (strncmp(message, "White", 5) == 0 &&
7803 message[5] != '(' &&
7804 StrStr(message, "Black") == NULL) {
7805 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7807 } else if (strncmp(message, "Black", 5) == 0 &&
7808 message[5] != '(') {
7809 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7811 } else if (strcmp(message, "resign") == 0 ||
7812 strcmp(message, "computer resigns") == 0) {
7814 case MachinePlaysBlack:
7815 case IcsPlayingBlack:
7816 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7818 case MachinePlaysWhite:
7819 case IcsPlayingWhite:
7820 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7822 case TwoMachinesPlay:
7823 if (cps->twoMachinesColor[0] == 'w')
7824 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7826 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7833 } else if (strncmp(message, "opponent mates", 14) == 0) {
7835 case MachinePlaysBlack:
7836 case IcsPlayingBlack:
7837 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7839 case MachinePlaysWhite:
7840 case IcsPlayingWhite:
7841 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7843 case TwoMachinesPlay:
7844 if (cps->twoMachinesColor[0] == 'w')
7845 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7847 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7854 } else if (strncmp(message, "computer mates", 14) == 0) {
7856 case MachinePlaysBlack:
7857 case IcsPlayingBlack:
7858 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7860 case MachinePlaysWhite:
7861 case IcsPlayingWhite:
7862 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7864 case TwoMachinesPlay:
7865 if (cps->twoMachinesColor[0] == 'w')
7866 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7868 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7875 } else if (strncmp(message, "checkmate", 9) == 0) {
7876 if (WhiteOnMove(forwardMostMove)) {
7877 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7879 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7882 } else if (strstr(message, "Draw") != NULL ||
7883 strstr(message, "game is a draw") != NULL) {
7884 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7886 } else if (strstr(message, "offer") != NULL &&
7887 strstr(message, "draw") != NULL) {
7889 if (appData.zippyPlay && first.initDone) {
7890 /* Relay offer to ICS */
7891 SendToICS(ics_prefix);
7892 SendToICS("draw\n");
7895 cps->offeredDraw = 2; /* valid until this engine moves twice */
7896 if (gameMode == TwoMachinesPlay) {
7897 if (cps->other->offeredDraw) {
7898 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7899 /* [HGM] in two-machine mode we delay relaying draw offer */
7900 /* until after we also have move, to see if it is really claim */
7902 } else if (gameMode == MachinePlaysWhite ||
7903 gameMode == MachinePlaysBlack) {
7904 if (userOfferedDraw) {
7905 DisplayInformation(_("Machine accepts your draw offer"));
7906 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7908 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7915 * Look for thinking output
7917 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7918 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7920 int plylev, mvleft, mvtot, curscore, time;
7921 char mvname[MOVE_LEN];
7925 int prefixHint = FALSE;
7926 mvname[0] = NULLCHAR;
7929 case MachinePlaysBlack:
7930 case IcsPlayingBlack:
7931 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7933 case MachinePlaysWhite:
7934 case IcsPlayingWhite:
7935 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7940 case IcsObserving: /* [DM] icsEngineAnalyze */
7941 if (!appData.icsEngineAnalyze) ignore = TRUE;
7943 case TwoMachinesPlay:
7944 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7954 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7956 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7957 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7959 if (plyext != ' ' && plyext != '\t') {
7963 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7964 if( cps->scoreIsAbsolute &&
7965 ( gameMode == MachinePlaysBlack ||
7966 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7967 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7968 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7969 !WhiteOnMove(currentMove)
7972 curscore = -curscore;
7976 tempStats.depth = plylev;
7977 tempStats.nodes = nodes;
7978 tempStats.time = time;
7979 tempStats.score = curscore;
7980 tempStats.got_only_move = 0;
7982 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7985 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7986 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7987 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7988 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7989 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7990 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7991 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7992 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7995 /* Buffer overflow protection */
7996 if (buf1[0] != NULLCHAR) {
7997 if (strlen(buf1) >= sizeof(tempStats.movelist)
7998 && appData.debugMode) {
8000 "PV is too long; using the first %u bytes.\n",
8001 (unsigned) sizeof(tempStats.movelist) - 1);
8004 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8006 sprintf(tempStats.movelist, " no PV\n");
8009 if (tempStats.seen_stat) {
8010 tempStats.ok_to_send = 1;
8013 if (strchr(tempStats.movelist, '(') != NULL) {
8014 tempStats.line_is_book = 1;
8015 tempStats.nr_moves = 0;
8016 tempStats.moves_left = 0;
8018 tempStats.line_is_book = 0;
8021 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8022 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8024 SendProgramStatsToFrontend( cps, &tempStats );
8027 [AS] Protect the thinkOutput buffer from overflow... this
8028 is only useful if buf1 hasn't overflowed first!
8030 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8032 (gameMode == TwoMachinesPlay ?
8033 ToUpper(cps->twoMachinesColor[0]) : ' '),
8034 ((double) curscore) / 100.0,
8035 prefixHint ? lastHint : "",
8036 prefixHint ? " " : "" );
8038 if( buf1[0] != NULLCHAR ) {
8039 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8041 if( strlen(buf1) > max_len ) {
8042 if( appData.debugMode) {
8043 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8045 buf1[max_len+1] = '\0';
8048 strcat( thinkOutput, buf1 );
8051 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8052 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8053 DisplayMove(currentMove - 1);
8057 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8058 /* crafty (9.25+) says "(only move) <move>"
8059 * if there is only 1 legal move
8061 sscanf(p, "(only move) %s", buf1);
8062 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8063 sprintf(programStats.movelist, "%s (only move)", buf1);
8064 programStats.depth = 1;
8065 programStats.nr_moves = 1;
8066 programStats.moves_left = 1;
8067 programStats.nodes = 1;
8068 programStats.time = 1;
8069 programStats.got_only_move = 1;
8071 /* Not really, but we also use this member to
8072 mean "line isn't going to change" (Crafty
8073 isn't searching, so stats won't change) */
8074 programStats.line_is_book = 1;
8076 SendProgramStatsToFrontend( cps, &programStats );
8078 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8079 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8080 DisplayMove(currentMove - 1);
8083 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8084 &time, &nodes, &plylev, &mvleft,
8085 &mvtot, mvname) >= 5) {
8086 /* The stat01: line is from Crafty (9.29+) in response
8087 to the "." command */
8088 programStats.seen_stat = 1;
8089 cps->maybeThinking = TRUE;
8091 if (programStats.got_only_move || !appData.periodicUpdates)
8094 programStats.depth = plylev;
8095 programStats.time = time;
8096 programStats.nodes = nodes;
8097 programStats.moves_left = mvleft;
8098 programStats.nr_moves = mvtot;
8099 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8100 programStats.ok_to_send = 1;
8101 programStats.movelist[0] = '\0';
8103 SendProgramStatsToFrontend( cps, &programStats );
8107 } else if (strncmp(message,"++",2) == 0) {
8108 /* Crafty 9.29+ outputs this */
8109 programStats.got_fail = 2;
8112 } else if (strncmp(message,"--",2) == 0) {
8113 /* Crafty 9.29+ outputs this */
8114 programStats.got_fail = 1;
8117 } else if (thinkOutput[0] != NULLCHAR &&
8118 strncmp(message, " ", 4) == 0) {
8119 unsigned message_len;
8122 while (*p && *p == ' ') p++;
8124 message_len = strlen( p );
8126 /* [AS] Avoid buffer overflow */
8127 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8128 strcat(thinkOutput, " ");
8129 strcat(thinkOutput, p);
8132 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8133 strcat(programStats.movelist, " ");
8134 strcat(programStats.movelist, p);
8137 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8138 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8139 DisplayMove(currentMove - 1);
8147 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8148 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8150 ChessProgramStats cpstats;
8152 if (plyext != ' ' && plyext != '\t') {
8156 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8157 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8158 curscore = -curscore;
8161 cpstats.depth = plylev;
8162 cpstats.nodes = nodes;
8163 cpstats.time = time;
8164 cpstats.score = curscore;
8165 cpstats.got_only_move = 0;
8166 cpstats.movelist[0] = '\0';
8168 if (buf1[0] != NULLCHAR) {
8169 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8172 cpstats.ok_to_send = 0;
8173 cpstats.line_is_book = 0;
8174 cpstats.nr_moves = 0;
8175 cpstats.moves_left = 0;
8177 SendProgramStatsToFrontend( cps, &cpstats );
8184 /* Parse a game score from the character string "game", and
8185 record it as the history of the current game. The game
8186 score is NOT assumed to start from the standard position.
8187 The display is not updated in any way.
8190 ParseGameHistory(game)
8194 int fromX, fromY, toX, toY, boardIndex;
8199 if (appData.debugMode)
8200 fprintf(debugFP, "Parsing game history: %s\n", game);
8202 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8203 gameInfo.site = StrSave(appData.icsHost);
8204 gameInfo.date = PGNDate();
8205 gameInfo.round = StrSave("-");
8207 /* Parse out names of players */
8208 while (*game == ' ') game++;
8210 while (*game != ' ') *p++ = *game++;
8212 gameInfo.white = StrSave(buf);
8213 while (*game == ' ') game++;
8215 while (*game != ' ' && *game != '\n') *p++ = *game++;
8217 gameInfo.black = StrSave(buf);
8220 boardIndex = blackPlaysFirst ? 1 : 0;
8223 yyboardindex = boardIndex;
8224 moveType = (ChessMove) yylex();
8226 case IllegalMove: /* maybe suicide chess, etc. */
8227 if (appData.debugMode) {
8228 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8229 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8230 setbuf(debugFP, NULL);
8232 case WhitePromotion:
8233 case BlackPromotion:
8234 case WhiteNonPromotion:
8235 case BlackNonPromotion:
8237 case WhiteCapturesEnPassant:
8238 case BlackCapturesEnPassant:
8239 case WhiteKingSideCastle:
8240 case WhiteQueenSideCastle:
8241 case BlackKingSideCastle:
8242 case BlackQueenSideCastle:
8243 case WhiteKingSideCastleWild:
8244 case WhiteQueenSideCastleWild:
8245 case BlackKingSideCastleWild:
8246 case BlackQueenSideCastleWild:
8248 case WhiteHSideCastleFR:
8249 case WhiteASideCastleFR:
8250 case BlackHSideCastleFR:
8251 case BlackASideCastleFR:
8253 fromX = currentMoveString[0] - AAA;
8254 fromY = currentMoveString[1] - ONE;
8255 toX = currentMoveString[2] - AAA;
8256 toY = currentMoveString[3] - ONE;
8257 promoChar = currentMoveString[4];
8261 fromX = moveType == WhiteDrop ?
8262 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8263 (int) CharToPiece(ToLower(currentMoveString[0]));
8265 toX = currentMoveString[2] - AAA;
8266 toY = currentMoveString[3] - ONE;
8267 promoChar = NULLCHAR;
8271 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8272 if (appData.debugMode) {
8273 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8274 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8275 setbuf(debugFP, NULL);
8277 DisplayError(buf, 0);
8279 case ImpossibleMove:
8281 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8282 if (appData.debugMode) {
8283 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8284 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8285 setbuf(debugFP, NULL);
8287 DisplayError(buf, 0);
8290 if (boardIndex < backwardMostMove) {
8291 /* Oops, gap. How did that happen? */
8292 DisplayError(_("Gap in move list"), 0);
8295 backwardMostMove = blackPlaysFirst ? 1 : 0;
8296 if (boardIndex > forwardMostMove) {
8297 forwardMostMove = boardIndex;
8301 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8302 strcat(parseList[boardIndex-1], " ");
8303 strcat(parseList[boardIndex-1], yy_text);
8315 case GameUnfinished:
8316 if (gameMode == IcsExamining) {
8317 if (boardIndex < backwardMostMove) {
8318 /* Oops, gap. How did that happen? */
8321 backwardMostMove = blackPlaysFirst ? 1 : 0;
8324 gameInfo.result = moveType;
8325 p = strchr(yy_text, '{');
8326 if (p == NULL) p = strchr(yy_text, '(');
8329 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8331 q = strchr(p, *p == '{' ? '}' : ')');
8332 if (q != NULL) *q = NULLCHAR;
8335 gameInfo.resultDetails = StrSave(p);
8338 if (boardIndex >= forwardMostMove &&
8339 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8340 backwardMostMove = blackPlaysFirst ? 1 : 0;
8343 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8344 fromY, fromX, toY, toX, promoChar,
8345 parseList[boardIndex]);
8346 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8347 /* currentMoveString is set as a side-effect of yylex */
8348 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8349 strcat(moveList[boardIndex], "\n");
8351 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8352 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8358 if(gameInfo.variant != VariantShogi)
8359 strcat(parseList[boardIndex - 1], "+");
8363 strcat(parseList[boardIndex - 1], "#");
8370 /* Apply a move to the given board */
8372 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8373 int fromX, fromY, toX, toY;
8377 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8378 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8380 /* [HGM] compute & store e.p. status and castling rights for new position */
8381 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8383 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8384 oldEP = (signed char)board[EP_STATUS];
8385 board[EP_STATUS] = EP_NONE;
8387 if( board[toY][toX] != EmptySquare )
8388 board[EP_STATUS] = EP_CAPTURE;
8390 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8391 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8392 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8394 if (fromY == DROP_RANK) {
8396 piece = board[toY][toX] = (ChessSquare) fromX;
8400 if( board[fromY][fromX] == WhitePawn ) {
8401 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8402 board[EP_STATUS] = EP_PAWN_MOVE;
8404 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8405 gameInfo.variant != VariantBerolina || toX < fromX)
8406 board[EP_STATUS] = toX | berolina;
8407 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8408 gameInfo.variant != VariantBerolina || toX > fromX)
8409 board[EP_STATUS] = toX;
8412 if( board[fromY][fromX] == BlackPawn ) {
8413 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8414 board[EP_STATUS] = EP_PAWN_MOVE;
8415 if( toY-fromY== -2) {
8416 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8417 gameInfo.variant != VariantBerolina || toX < fromX)
8418 board[EP_STATUS] = toX | berolina;
8419 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8420 gameInfo.variant != VariantBerolina || toX > fromX)
8421 board[EP_STATUS] = toX;
8425 for(i=0; i<nrCastlingRights; i++) {
8426 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8427 board[CASTLING][i] == toX && castlingRank[i] == toY
8428 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8431 if (fromX == toX && fromY == toY) return;
8433 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8434 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8435 if(gameInfo.variant == VariantKnightmate)
8436 king += (int) WhiteUnicorn - (int) WhiteKing;
8438 /* Code added by Tord: */
8439 /* FRC castling assumed when king captures friendly rook. */
8440 if (board[fromY][fromX] == WhiteKing &&
8441 board[toY][toX] == WhiteRook) {
8442 board[fromY][fromX] = EmptySquare;
8443 board[toY][toX] = EmptySquare;
8445 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8447 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8449 } else if (board[fromY][fromX] == BlackKing &&
8450 board[toY][toX] == BlackRook) {
8451 board[fromY][fromX] = EmptySquare;
8452 board[toY][toX] = EmptySquare;
8454 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8456 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8458 /* End of code added by Tord */
8460 } else if (board[fromY][fromX] == king
8461 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8462 && toY == fromY && toX > fromX+1) {
8463 board[fromY][fromX] = EmptySquare;
8464 board[toY][toX] = king;
8465 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8466 board[fromY][BOARD_RGHT-1] = EmptySquare;
8467 } else if (board[fromY][fromX] == king
8468 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8469 && toY == fromY && toX < fromX-1) {
8470 board[fromY][fromX] = EmptySquare;
8471 board[toY][toX] = king;
8472 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8473 board[fromY][BOARD_LEFT] = EmptySquare;
8474 } else if (board[fromY][fromX] == WhitePawn
8475 && toY >= BOARD_HEIGHT-promoRank
8476 && gameInfo.variant != VariantXiangqi
8478 /* white pawn promotion */
8479 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8480 if (board[toY][toX] == EmptySquare) {
8481 board[toY][toX] = WhiteQueen;
8483 if(gameInfo.variant==VariantBughouse ||
8484 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8485 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8486 board[fromY][fromX] = EmptySquare;
8487 } else if ((fromY == BOARD_HEIGHT-4)
8489 && gameInfo.variant != VariantXiangqi
8490 && gameInfo.variant != VariantBerolina
8491 && (board[fromY][fromX] == WhitePawn)
8492 && (board[toY][toX] == EmptySquare)) {
8493 board[fromY][fromX] = EmptySquare;
8494 board[toY][toX] = WhitePawn;
8495 captured = board[toY - 1][toX];
8496 board[toY - 1][toX] = EmptySquare;
8497 } else if ((fromY == BOARD_HEIGHT-4)
8499 && gameInfo.variant == VariantBerolina
8500 && (board[fromY][fromX] == WhitePawn)
8501 && (board[toY][toX] == EmptySquare)) {
8502 board[fromY][fromX] = EmptySquare;
8503 board[toY][toX] = WhitePawn;
8504 if(oldEP & EP_BEROLIN_A) {
8505 captured = board[fromY][fromX-1];
8506 board[fromY][fromX-1] = EmptySquare;
8507 }else{ captured = board[fromY][fromX+1];
8508 board[fromY][fromX+1] = EmptySquare;
8510 } else if (board[fromY][fromX] == king
8511 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8512 && toY == fromY && toX > fromX+1) {
8513 board[fromY][fromX] = EmptySquare;
8514 board[toY][toX] = king;
8515 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8516 board[fromY][BOARD_RGHT-1] = EmptySquare;
8517 } else if (board[fromY][fromX] == king
8518 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8519 && toY == fromY && toX < fromX-1) {
8520 board[fromY][fromX] = EmptySquare;
8521 board[toY][toX] = king;
8522 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8523 board[fromY][BOARD_LEFT] = EmptySquare;
8524 } else if (fromY == 7 && fromX == 3
8525 && board[fromY][fromX] == BlackKing
8526 && toY == 7 && toX == 5) {
8527 board[fromY][fromX] = EmptySquare;
8528 board[toY][toX] = BlackKing;
8529 board[fromY][7] = EmptySquare;
8530 board[toY][4] = BlackRook;
8531 } else if (fromY == 7 && fromX == 3
8532 && board[fromY][fromX] == BlackKing
8533 && toY == 7 && toX == 1) {
8534 board[fromY][fromX] = EmptySquare;
8535 board[toY][toX] = BlackKing;
8536 board[fromY][0] = EmptySquare;
8537 board[toY][2] = BlackRook;
8538 } else if (board[fromY][fromX] == BlackPawn
8540 && gameInfo.variant != VariantXiangqi
8542 /* black pawn promotion */
8543 board[toY][toX] = CharToPiece(ToLower(promoChar));
8544 if (board[toY][toX] == EmptySquare) {
8545 board[toY][toX] = BlackQueen;
8547 if(gameInfo.variant==VariantBughouse ||
8548 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8549 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8550 board[fromY][fromX] = EmptySquare;
8551 } else if ((fromY == 3)
8553 && gameInfo.variant != VariantXiangqi
8554 && gameInfo.variant != VariantBerolina
8555 && (board[fromY][fromX] == BlackPawn)
8556 && (board[toY][toX] == EmptySquare)) {
8557 board[fromY][fromX] = EmptySquare;
8558 board[toY][toX] = BlackPawn;
8559 captured = board[toY + 1][toX];
8560 board[toY + 1][toX] = EmptySquare;
8561 } else if ((fromY == 3)
8563 && gameInfo.variant == VariantBerolina
8564 && (board[fromY][fromX] == BlackPawn)
8565 && (board[toY][toX] == EmptySquare)) {
8566 board[fromY][fromX] = EmptySquare;
8567 board[toY][toX] = BlackPawn;
8568 if(oldEP & EP_BEROLIN_A) {
8569 captured = board[fromY][fromX-1];
8570 board[fromY][fromX-1] = EmptySquare;
8571 }else{ captured = board[fromY][fromX+1];
8572 board[fromY][fromX+1] = EmptySquare;
8575 board[toY][toX] = board[fromY][fromX];
8576 board[fromY][fromX] = EmptySquare;
8580 if (gameInfo.holdingsWidth != 0) {
8582 /* !!A lot more code needs to be written to support holdings */
8583 /* [HGM] OK, so I have written it. Holdings are stored in the */
8584 /* penultimate board files, so they are automaticlly stored */
8585 /* in the game history. */
8586 if (fromY == DROP_RANK) {
8587 /* Delete from holdings, by decreasing count */
8588 /* and erasing image if necessary */
8590 if(p < (int) BlackPawn) { /* white drop */
8591 p -= (int)WhitePawn;
8592 p = PieceToNumber((ChessSquare)p);
8593 if(p >= gameInfo.holdingsSize) p = 0;
8594 if(--board[p][BOARD_WIDTH-2] <= 0)
8595 board[p][BOARD_WIDTH-1] = EmptySquare;
8596 if((int)board[p][BOARD_WIDTH-2] < 0)
8597 board[p][BOARD_WIDTH-2] = 0;
8598 } else { /* black drop */
8599 p -= (int)BlackPawn;
8600 p = PieceToNumber((ChessSquare)p);
8601 if(p >= gameInfo.holdingsSize) p = 0;
8602 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8603 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8604 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8605 board[BOARD_HEIGHT-1-p][1] = 0;
8608 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8609 && gameInfo.variant != VariantBughouse ) {
8610 /* [HGM] holdings: Add to holdings, if holdings exist */
8611 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8612 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8613 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8616 if (p >= (int) BlackPawn) {
8617 p -= (int)BlackPawn;
8618 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8619 /* in Shogi restore piece to its original first */
8620 captured = (ChessSquare) (DEMOTED captured);
8623 p = PieceToNumber((ChessSquare)p);
8624 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8625 board[p][BOARD_WIDTH-2]++;
8626 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8628 p -= (int)WhitePawn;
8629 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8630 captured = (ChessSquare) (DEMOTED captured);
8633 p = PieceToNumber((ChessSquare)p);
8634 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8635 board[BOARD_HEIGHT-1-p][1]++;
8636 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8639 } else if (gameInfo.variant == VariantAtomic) {
8640 if (captured != EmptySquare) {
8642 for (y = toY-1; y <= toY+1; y++) {
8643 for (x = toX-1; x <= toX+1; x++) {
8644 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8645 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8646 board[y][x] = EmptySquare;
8650 board[toY][toX] = EmptySquare;
8653 if(promoChar == '^') {
8654 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8655 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8656 } else if(!appData.testLegality) { // without legality testing, unconditionally believe promoChar
8657 board[toY][toX] = CharToPiece(promoChar);
8659 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8660 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8661 // [HGM] superchess: take promotion piece out of holdings
8662 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8663 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8664 if(!--board[k][BOARD_WIDTH-2])
8665 board[k][BOARD_WIDTH-1] = EmptySquare;
8667 if(!--board[BOARD_HEIGHT-1-k][1])
8668 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8674 /* Updates forwardMostMove */
8676 MakeMove(fromX, fromY, toX, toY, promoChar)
8677 int fromX, fromY, toX, toY;
8680 // forwardMostMove++; // [HGM] bare: moved downstream
8682 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8683 int timeLeft; static int lastLoadFlag=0; int king, piece;
8684 piece = boards[forwardMostMove][fromY][fromX];
8685 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8686 if(gameInfo.variant == VariantKnightmate)
8687 king += (int) WhiteUnicorn - (int) WhiteKing;
8688 if(forwardMostMove == 0) {
8690 fprintf(serverMoves, "%s;", second.tidy);
8691 fprintf(serverMoves, "%s;", first.tidy);
8692 if(!blackPlaysFirst)
8693 fprintf(serverMoves, "%s;", second.tidy);
8694 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8695 lastLoadFlag = loadFlag;
8697 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8698 // print castling suffix
8699 if( toY == fromY && piece == king ) {
8701 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8703 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8706 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8707 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8708 boards[forwardMostMove][toY][toX] == EmptySquare
8709 && fromX != toX && fromY != toY)
8710 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8712 if(promoChar != NULLCHAR)
8713 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8715 fprintf(serverMoves, "/%d/%d",
8716 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8717 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8718 else timeLeft = blackTimeRemaining/1000;
8719 fprintf(serverMoves, "/%d", timeLeft);
8721 fflush(serverMoves);
8724 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8725 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8729 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8730 if (commentList[forwardMostMove+1] != NULL) {
8731 free(commentList[forwardMostMove+1]);
8732 commentList[forwardMostMove+1] = NULL;
8734 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8735 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8736 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8737 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8738 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8739 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8740 gameInfo.result = GameUnfinished;
8741 if (gameInfo.resultDetails != NULL) {
8742 free(gameInfo.resultDetails);
8743 gameInfo.resultDetails = NULL;
8745 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8746 moveList[forwardMostMove - 1]);
8747 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8748 PosFlags(forwardMostMove - 1),
8749 fromY, fromX, toY, toX, promoChar,
8750 parseList[forwardMostMove - 1]);
8751 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8757 if(gameInfo.variant != VariantShogi)
8758 strcat(parseList[forwardMostMove - 1], "+");
8762 strcat(parseList[forwardMostMove - 1], "#");
8765 if (appData.debugMode) {
8766 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8771 /* Updates currentMove if not pausing */
8773 ShowMove(fromX, fromY, toX, toY)
8775 int instant = (gameMode == PlayFromGameFile) ?
8776 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8777 if(appData.noGUI) return;
8778 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8780 if (forwardMostMove == currentMove + 1) {
8781 AnimateMove(boards[forwardMostMove - 1],
8782 fromX, fromY, toX, toY);
8784 if (appData.highlightLastMove) {
8785 SetHighlights(fromX, fromY, toX, toY);
8788 currentMove = forwardMostMove;
8791 if (instant) return;
8793 DisplayMove(currentMove - 1);
8794 DrawPosition(FALSE, boards[currentMove]);
8795 DisplayBothClocks();
8796 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8799 void SendEgtPath(ChessProgramState *cps)
8800 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8801 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8803 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8806 char c, *q = name+1, *r, *s;
8808 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8809 while(*p && *p != ',') *q++ = *p++;
8811 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8812 strcmp(name, ",nalimov:") == 0 ) {
8813 // take nalimov path from the menu-changeable option first, if it is defined
8814 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8815 SendToProgram(buf,cps); // send egtbpath command for nalimov
8817 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8818 (s = StrStr(appData.egtFormats, name)) != NULL) {
8819 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8820 s = r = StrStr(s, ":") + 1; // beginning of path info
8821 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8822 c = *r; *r = 0; // temporarily null-terminate path info
8823 *--q = 0; // strip of trailig ':' from name
8824 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8826 SendToProgram(buf,cps); // send egtbpath command for this format
8828 if(*p == ',') p++; // read away comma to position for next format name
8833 InitChessProgram(cps, setup)
8834 ChessProgramState *cps;
8835 int setup; /* [HGM] needed to setup FRC opening position */
8837 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8838 if (appData.noChessProgram) return;
8839 hintRequested = FALSE;
8840 bookRequested = FALSE;
8842 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8843 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8844 if(cps->memSize) { /* [HGM] memory */
8845 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8846 SendToProgram(buf, cps);
8848 SendEgtPath(cps); /* [HGM] EGT */
8849 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8850 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8851 SendToProgram(buf, cps);
8854 SendToProgram(cps->initString, cps);
8855 if (gameInfo.variant != VariantNormal &&
8856 gameInfo.variant != VariantLoadable
8857 /* [HGM] also send variant if board size non-standard */
8858 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8860 char *v = VariantName(gameInfo.variant);
8861 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8862 /* [HGM] in protocol 1 we have to assume all variants valid */
8863 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8864 DisplayFatalError(buf, 0, 1);
8868 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8869 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8870 if( gameInfo.variant == VariantXiangqi )
8871 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8872 if( gameInfo.variant == VariantShogi )
8873 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8874 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8875 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8876 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8877 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8878 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8879 if( gameInfo.variant == VariantCourier )
8880 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8881 if( gameInfo.variant == VariantSuper )
8882 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8883 if( gameInfo.variant == VariantGreat )
8884 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8887 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8888 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8889 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8890 if(StrStr(cps->variants, b) == NULL) {
8891 // specific sized variant not known, check if general sizing allowed
8892 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8893 if(StrStr(cps->variants, "boardsize") == NULL) {
8894 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8895 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8896 DisplayFatalError(buf, 0, 1);
8899 /* [HGM] here we really should compare with the maximum supported board size */
8902 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8903 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8904 SendToProgram(buf, cps);
8906 currentlyInitializedVariant = gameInfo.variant;
8908 /* [HGM] send opening position in FRC to first engine */
8910 SendToProgram("force\n", cps);
8912 /* engine is now in force mode! Set flag to wake it up after first move. */
8913 setboardSpoiledMachineBlack = 1;
8917 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8918 SendToProgram(buf, cps);
8920 cps->maybeThinking = FALSE;
8921 cps->offeredDraw = 0;
8922 if (!appData.icsActive) {
8923 SendTimeControl(cps, movesPerSession, timeControl,
8924 timeIncrement, appData.searchDepth,
8927 if (appData.showThinking
8928 // [HGM] thinking: four options require thinking output to be sent
8929 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8931 SendToProgram("post\n", cps);
8933 SendToProgram("hard\n", cps);
8934 if (!appData.ponderNextMove) {
8935 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8936 it without being sure what state we are in first. "hard"
8937 is not a toggle, so that one is OK.
8939 SendToProgram("easy\n", cps);
8942 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8943 SendToProgram(buf, cps);
8945 cps->initDone = TRUE;
8950 StartChessProgram(cps)
8951 ChessProgramState *cps;
8956 if (appData.noChessProgram) return;
8957 cps->initDone = FALSE;
8959 if (strcmp(cps->host, "localhost") == 0) {
8960 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8961 } else if (*appData.remoteShell == NULLCHAR) {
8962 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8964 if (*appData.remoteUser == NULLCHAR) {
8965 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8968 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8969 cps->host, appData.remoteUser, cps->program);
8971 err = StartChildProcess(buf, "", &cps->pr);
8975 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8976 DisplayFatalError(buf, err, 1);
8982 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8983 if (cps->protocolVersion > 1) {
8984 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8985 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8986 cps->comboCnt = 0; // and values of combo boxes
8987 SendToProgram(buf, cps);
8989 SendToProgram("xboard\n", cps);
8995 TwoMachinesEventIfReady P((void))
8997 if (first.lastPing != first.lastPong) {
8998 DisplayMessage("", _("Waiting for first chess program"));
8999 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9002 if (second.lastPing != second.lastPong) {
9003 DisplayMessage("", _("Waiting for second chess program"));
9004 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9012 NextMatchGame P((void))
9014 int index; /* [HGM] autoinc: step load index during match */
9016 if (*appData.loadGameFile != NULLCHAR) {
9017 index = appData.loadGameIndex;
9018 if(index < 0) { // [HGM] autoinc
9019 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9020 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9022 LoadGameFromFile(appData.loadGameFile,
9024 appData.loadGameFile, FALSE);
9025 } else if (*appData.loadPositionFile != NULLCHAR) {
9026 index = appData.loadPositionIndex;
9027 if(index < 0) { // [HGM] autoinc
9028 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9029 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9031 LoadPositionFromFile(appData.loadPositionFile,
9033 appData.loadPositionFile);
9035 TwoMachinesEventIfReady();
9038 void UserAdjudicationEvent( int result )
9040 ChessMove gameResult = GameIsDrawn;
9043 gameResult = WhiteWins;
9045 else if( result < 0 ) {
9046 gameResult = BlackWins;
9049 if( gameMode == TwoMachinesPlay ) {
9050 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9055 // [HGM] save: calculate checksum of game to make games easily identifiable
9056 int StringCheckSum(char *s)
9059 if(s==NULL) return 0;
9060 while(*s) i = i*259 + *s++;
9067 for(i=backwardMostMove; i<forwardMostMove; i++) {
9068 sum += pvInfoList[i].depth;
9069 sum += StringCheckSum(parseList[i]);
9070 sum += StringCheckSum(commentList[i]);
9073 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9074 return sum + StringCheckSum(commentList[i]);
9075 } // end of save patch
9078 GameEnds(result, resultDetails, whosays)
9080 char *resultDetails;
9083 GameMode nextGameMode;
9085 char buf[MSG_SIZ], popupRequested = 0;
9087 if(endingGame) return; /* [HGM] crash: forbid recursion */
9089 if(twoBoards) { // [HGM] dual: switch back to one board
9090 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9091 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9093 if (appData.debugMode) {
9094 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9095 result, resultDetails ? resultDetails : "(null)", whosays);
9098 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9100 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9101 /* If we are playing on ICS, the server decides when the
9102 game is over, but the engine can offer to draw, claim
9106 if (appData.zippyPlay && first.initDone) {
9107 if (result == GameIsDrawn) {
9108 /* In case draw still needs to be claimed */
9109 SendToICS(ics_prefix);
9110 SendToICS("draw\n");
9111 } else if (StrCaseStr(resultDetails, "resign")) {
9112 SendToICS(ics_prefix);
9113 SendToICS("resign\n");
9117 endingGame = 0; /* [HGM] crash */
9121 /* If we're loading the game from a file, stop */
9122 if (whosays == GE_FILE) {
9123 (void) StopLoadGameTimer();
9127 /* Cancel draw offers */
9128 first.offeredDraw = second.offeredDraw = 0;
9130 /* If this is an ICS game, only ICS can really say it's done;
9131 if not, anyone can. */
9132 isIcsGame = (gameMode == IcsPlayingWhite ||
9133 gameMode == IcsPlayingBlack ||
9134 gameMode == IcsObserving ||
9135 gameMode == IcsExamining);
9137 if (!isIcsGame || whosays == GE_ICS) {
9138 /* OK -- not an ICS game, or ICS said it was done */
9140 if (!isIcsGame && !appData.noChessProgram)
9141 SetUserThinkingEnables();
9143 /* [HGM] if a machine claims the game end we verify this claim */
9144 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9145 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9147 ChessMove trueResult = (ChessMove) -1;
9149 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9150 first.twoMachinesColor[0] :
9151 second.twoMachinesColor[0] ;
9153 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9154 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9155 /* [HGM] verify: engine mate claims accepted if they were flagged */
9156 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9158 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9159 /* [HGM] verify: engine mate claims accepted if they were flagged */
9160 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9162 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9163 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9166 // now verify win claims, but not in drop games, as we don't understand those yet
9167 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9168 || gameInfo.variant == VariantGreat) &&
9169 (result == WhiteWins && claimer == 'w' ||
9170 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9171 if (appData.debugMode) {
9172 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9173 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9175 if(result != trueResult) {
9176 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9177 result = claimer == 'w' ? BlackWins : WhiteWins;
9178 resultDetails = buf;
9181 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9182 && (forwardMostMove <= backwardMostMove ||
9183 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9184 (claimer=='b')==(forwardMostMove&1))
9186 /* [HGM] verify: draws that were not flagged are false claims */
9187 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9188 result = claimer == 'w' ? BlackWins : WhiteWins;
9189 resultDetails = buf;
9191 /* (Claiming a loss is accepted no questions asked!) */
9193 /* [HGM] bare: don't allow bare King to win */
9194 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9195 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9196 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9197 && result != GameIsDrawn)
9198 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9199 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9200 int p = (signed char)boards[forwardMostMove][i][j] - color;
9201 if(p >= 0 && p <= (int)WhiteKing) k++;
9203 if (appData.debugMode) {
9204 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9205 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9208 result = GameIsDrawn;
9209 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9210 resultDetails = buf;
9216 if(serverMoves != NULL && !loadFlag) { char c = '=';
9217 if(result==WhiteWins) c = '+';
9218 if(result==BlackWins) c = '-';
9219 if(resultDetails != NULL)
9220 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9222 if (resultDetails != NULL) {
9223 gameInfo.result = result;
9224 gameInfo.resultDetails = StrSave(resultDetails);
9226 /* display last move only if game was not loaded from file */
9227 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9228 DisplayMove(currentMove - 1);
9230 if (forwardMostMove != 0) {
9231 if (gameMode != PlayFromGameFile && gameMode != EditGame
9232 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9234 if (*appData.saveGameFile != NULLCHAR) {
9235 SaveGameToFile(appData.saveGameFile, TRUE);
9236 } else if (appData.autoSaveGames) {
9239 if (*appData.savePositionFile != NULLCHAR) {
9240 SavePositionToFile(appData.savePositionFile);
9245 /* Tell program how game ended in case it is learning */
9246 /* [HGM] Moved this to after saving the PGN, just in case */
9247 /* engine died and we got here through time loss. In that */
9248 /* case we will get a fatal error writing the pipe, which */
9249 /* would otherwise lose us the PGN. */
9250 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9251 /* output during GameEnds should never be fatal anymore */
9252 if (gameMode == MachinePlaysWhite ||
9253 gameMode == MachinePlaysBlack ||
9254 gameMode == TwoMachinesPlay ||
9255 gameMode == IcsPlayingWhite ||
9256 gameMode == IcsPlayingBlack ||
9257 gameMode == BeginningOfGame) {
9259 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9261 if (first.pr != NoProc) {
9262 SendToProgram(buf, &first);
9264 if (second.pr != NoProc &&
9265 gameMode == TwoMachinesPlay) {
9266 SendToProgram(buf, &second);
9271 if (appData.icsActive) {
9272 if (appData.quietPlay &&
9273 (gameMode == IcsPlayingWhite ||
9274 gameMode == IcsPlayingBlack)) {
9275 SendToICS(ics_prefix);
9276 SendToICS("set shout 1\n");
9278 nextGameMode = IcsIdle;
9279 ics_user_moved = FALSE;
9280 /* clean up premove. It's ugly when the game has ended and the
9281 * premove highlights are still on the board.
9285 ClearPremoveHighlights();
9286 DrawPosition(FALSE, boards[currentMove]);
9288 if (whosays == GE_ICS) {
9291 if (gameMode == IcsPlayingWhite)
9293 else if(gameMode == IcsPlayingBlack)
9297 if (gameMode == IcsPlayingBlack)
9299 else if(gameMode == IcsPlayingWhite)
9306 PlayIcsUnfinishedSound();
9309 } else if (gameMode == EditGame ||
9310 gameMode == PlayFromGameFile ||
9311 gameMode == AnalyzeMode ||
9312 gameMode == AnalyzeFile) {
9313 nextGameMode = gameMode;
9315 nextGameMode = EndOfGame;
9320 nextGameMode = gameMode;
9323 if (appData.noChessProgram) {
9324 gameMode = nextGameMode;
9326 endingGame = 0; /* [HGM] crash */
9331 /* Put first chess program into idle state */
9332 if (first.pr != NoProc &&
9333 (gameMode == MachinePlaysWhite ||
9334 gameMode == MachinePlaysBlack ||
9335 gameMode == TwoMachinesPlay ||
9336 gameMode == IcsPlayingWhite ||
9337 gameMode == IcsPlayingBlack ||
9338 gameMode == BeginningOfGame)) {
9339 SendToProgram("force\n", &first);
9340 if (first.usePing) {
9342 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9343 SendToProgram(buf, &first);
9346 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9347 /* Kill off first chess program */
9348 if (first.isr != NULL)
9349 RemoveInputSource(first.isr);
9352 if (first.pr != NoProc) {
9354 DoSleep( appData.delayBeforeQuit );
9355 SendToProgram("quit\n", &first);
9356 DoSleep( appData.delayAfterQuit );
9357 DestroyChildProcess(first.pr, first.useSigterm);
9362 /* Put second chess program into idle state */
9363 if (second.pr != NoProc &&
9364 gameMode == TwoMachinesPlay) {
9365 SendToProgram("force\n", &second);
9366 if (second.usePing) {
9368 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9369 SendToProgram(buf, &second);
9372 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9373 /* Kill off second chess program */
9374 if (second.isr != NULL)
9375 RemoveInputSource(second.isr);
9378 if (second.pr != NoProc) {
9379 DoSleep( appData.delayBeforeQuit );
9380 SendToProgram("quit\n", &second);
9381 DoSleep( appData.delayAfterQuit );
9382 DestroyChildProcess(second.pr, second.useSigterm);
9387 if (matchMode && gameMode == TwoMachinesPlay) {
9390 if (first.twoMachinesColor[0] == 'w') {
9397 if (first.twoMachinesColor[0] == 'b') {
9406 if (matchGame < appData.matchGames) {
9408 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9409 tmp = first.twoMachinesColor;
9410 first.twoMachinesColor = second.twoMachinesColor;
9411 second.twoMachinesColor = tmp;
9413 gameMode = nextGameMode;
9415 if(appData.matchPause>10000 || appData.matchPause<10)
9416 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9417 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9418 endingGame = 0; /* [HGM] crash */
9421 gameMode = nextGameMode;
9422 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9423 first.tidy, second.tidy,
9424 first.matchWins, second.matchWins,
9425 appData.matchGames - (first.matchWins + second.matchWins));
9426 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9429 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9430 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9432 gameMode = nextGameMode;
9434 endingGame = 0; /* [HGM] crash */
9435 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9436 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9437 matchMode = FALSE; appData.matchGames = matchGame = 0;
9443 /* Assumes program was just initialized (initString sent).
9444 Leaves program in force mode. */
9446 FeedMovesToProgram(cps, upto)
9447 ChessProgramState *cps;
9452 if (appData.debugMode)
9453 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9454 startedFromSetupPosition ? "position and " : "",
9455 backwardMostMove, upto, cps->which);
9456 if(currentlyInitializedVariant != gameInfo.variant) {
9458 // [HGM] variantswitch: make engine aware of new variant
9459 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9460 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9461 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9462 SendToProgram(buf, cps);
9463 currentlyInitializedVariant = gameInfo.variant;
9465 SendToProgram("force\n", cps);
9466 if (startedFromSetupPosition) {
9467 SendBoard(cps, backwardMostMove);
9468 if (appData.debugMode) {
9469 fprintf(debugFP, "feedMoves\n");
9472 for (i = backwardMostMove; i < upto; i++) {
9473 SendMoveToProgram(i, cps);
9479 ResurrectChessProgram()
9481 /* The chess program may have exited.
9482 If so, restart it and feed it all the moves made so far. */
9484 if (appData.noChessProgram || first.pr != NoProc) return;
9486 StartChessProgram(&first);
9487 InitChessProgram(&first, FALSE);
9488 FeedMovesToProgram(&first, currentMove);
9490 if (!first.sendTime) {
9491 /* can't tell gnuchess what its clock should read,
9492 so we bow to its notion. */
9494 timeRemaining[0][currentMove] = whiteTimeRemaining;
9495 timeRemaining[1][currentMove] = blackTimeRemaining;
9498 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9499 appData.icsEngineAnalyze) && first.analysisSupport) {
9500 SendToProgram("analyze\n", &first);
9501 first.analyzing = TRUE;
9514 if (appData.debugMode) {
9515 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9516 redraw, init, gameMode);
9518 CleanupTail(); // [HGM] vari: delete any stored variations
9519 pausing = pauseExamInvalid = FALSE;
9520 startedFromSetupPosition = blackPlaysFirst = FALSE;
9522 whiteFlag = blackFlag = FALSE;
9523 userOfferedDraw = FALSE;
9524 hintRequested = bookRequested = FALSE;
9525 first.maybeThinking = FALSE;
9526 second.maybeThinking = FALSE;
9527 first.bookSuspend = FALSE; // [HGM] book
9528 second.bookSuspend = FALSE;
9529 thinkOutput[0] = NULLCHAR;
9530 lastHint[0] = NULLCHAR;
9531 ClearGameInfo(&gameInfo);
9532 gameInfo.variant = StringToVariant(appData.variant);
9533 ics_user_moved = ics_clock_paused = FALSE;
9534 ics_getting_history = H_FALSE;
9536 white_holding[0] = black_holding[0] = NULLCHAR;
9537 ClearProgramStats();
9538 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9542 flipView = appData.flipView;
9543 ClearPremoveHighlights();
9545 alarmSounded = FALSE;
9547 GameEnds(EndOfFile, NULL, GE_PLAYER);
9548 if(appData.serverMovesName != NULL) {
9549 /* [HGM] prepare to make moves file for broadcasting */
9550 clock_t t = clock();
9551 if(serverMoves != NULL) fclose(serverMoves);
9552 serverMoves = fopen(appData.serverMovesName, "r");
9553 if(serverMoves != NULL) {
9554 fclose(serverMoves);
9555 /* delay 15 sec before overwriting, so all clients can see end */
9556 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9558 serverMoves = fopen(appData.serverMovesName, "w");
9562 gameMode = BeginningOfGame;
9564 if(appData.icsActive) gameInfo.variant = VariantNormal;
9565 currentMove = forwardMostMove = backwardMostMove = 0;
9566 InitPosition(redraw);
9567 for (i = 0; i < MAX_MOVES; i++) {
9568 if (commentList[i] != NULL) {
9569 free(commentList[i]);
9570 commentList[i] = NULL;
9574 timeRemaining[0][0] = whiteTimeRemaining;
9575 timeRemaining[1][0] = blackTimeRemaining;
9576 if (first.pr == NULL) {
9577 StartChessProgram(&first);
9580 InitChessProgram(&first, startedFromSetupPosition);
9583 DisplayMessage("", "");
9584 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9585 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9592 if (!AutoPlayOneMove())
9594 if (matchMode || appData.timeDelay == 0)
9596 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9598 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9607 int fromX, fromY, toX, toY;
9609 if (appData.debugMode) {
9610 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9613 if (gameMode != PlayFromGameFile)
9616 if (currentMove >= forwardMostMove) {
9617 gameMode = EditGame;
9620 /* [AS] Clear current move marker at the end of a game */
9621 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9626 toX = moveList[currentMove][2] - AAA;
9627 toY = moveList[currentMove][3] - ONE;
9629 if (moveList[currentMove][1] == '@') {
9630 if (appData.highlightLastMove) {
9631 SetHighlights(-1, -1, toX, toY);
9634 fromX = moveList[currentMove][0] - AAA;
9635 fromY = moveList[currentMove][1] - ONE;
9637 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9639 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9641 if (appData.highlightLastMove) {
9642 SetHighlights(fromX, fromY, toX, toY);
9645 DisplayMove(currentMove);
9646 SendMoveToProgram(currentMove++, &first);
9647 DisplayBothClocks();
9648 DrawPosition(FALSE, boards[currentMove]);
9649 // [HGM] PV info: always display, routine tests if empty
9650 DisplayComment(currentMove - 1, commentList[currentMove]);
9656 LoadGameOneMove(readAhead)
9657 ChessMove readAhead;
9659 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9660 char promoChar = NULLCHAR;
9665 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9666 gameMode != AnalyzeMode && gameMode != Training) {
9671 yyboardindex = forwardMostMove;
9672 if (readAhead != EndOfFile) {
9673 moveType = readAhead;
9675 if (gameFileFP == NULL)
9677 moveType = (ChessMove) yylex();
9683 if (appData.debugMode)
9684 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9687 /* append the comment but don't display it */
9688 AppendComment(currentMove, p, FALSE);
9691 case WhiteCapturesEnPassant:
9692 case BlackCapturesEnPassant:
9693 case WhitePromotion:
9694 case BlackPromotion:
9695 case WhiteNonPromotion:
9696 case BlackNonPromotion:
9698 case WhiteKingSideCastle:
9699 case WhiteQueenSideCastle:
9700 case BlackKingSideCastle:
9701 case BlackQueenSideCastle:
9702 case WhiteKingSideCastleWild:
9703 case WhiteQueenSideCastleWild:
9704 case BlackKingSideCastleWild:
9705 case BlackQueenSideCastleWild:
9707 case WhiteHSideCastleFR:
9708 case WhiteASideCastleFR:
9709 case BlackHSideCastleFR:
9710 case BlackASideCastleFR:
9712 if (appData.debugMode)
9713 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9714 fromX = currentMoveString[0] - AAA;
9715 fromY = currentMoveString[1] - ONE;
9716 toX = currentMoveString[2] - AAA;
9717 toY = currentMoveString[3] - ONE;
9718 promoChar = currentMoveString[4];
9723 if (appData.debugMode)
9724 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9725 fromX = moveType == WhiteDrop ?
9726 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9727 (int) CharToPiece(ToLower(currentMoveString[0]));
9729 toX = currentMoveString[2] - AAA;
9730 toY = currentMoveString[3] - ONE;
9736 case GameUnfinished:
9737 if (appData.debugMode)
9738 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9739 p = strchr(yy_text, '{');
9740 if (p == NULL) p = strchr(yy_text, '(');
9743 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9745 q = strchr(p, *p == '{' ? '}' : ')');
9746 if (q != NULL) *q = NULLCHAR;
9749 GameEnds(moveType, p, GE_FILE);
9751 if (cmailMsgLoaded) {
9753 flipView = WhiteOnMove(currentMove);
9754 if (moveType == GameUnfinished) flipView = !flipView;
9755 if (appData.debugMode)
9756 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9761 if (appData.debugMode)
9762 fprintf(debugFP, "Parser hit end of file\n");
9763 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9769 if (WhiteOnMove(currentMove)) {
9770 GameEnds(BlackWins, "Black mates", GE_FILE);
9772 GameEnds(WhiteWins, "White mates", GE_FILE);
9776 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9783 if (lastLoadGameStart == GNUChessGame) {
9784 /* GNUChessGames have numbers, but they aren't move numbers */
9785 if (appData.debugMode)
9786 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9787 yy_text, (int) moveType);
9788 return LoadGameOneMove(EndOfFile); /* tail recursion */
9790 /* else fall thru */
9795 /* Reached start of next game in file */
9796 if (appData.debugMode)
9797 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9798 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9804 if (WhiteOnMove(currentMove)) {
9805 GameEnds(BlackWins, "Black mates", GE_FILE);
9807 GameEnds(WhiteWins, "White mates", GE_FILE);
9811 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9817 case PositionDiagram: /* should not happen; ignore */
9818 case ElapsedTime: /* ignore */
9819 case NAG: /* ignore */
9820 if (appData.debugMode)
9821 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9822 yy_text, (int) moveType);
9823 return LoadGameOneMove(EndOfFile); /* tail recursion */
9826 if (appData.testLegality) {
9827 if (appData.debugMode)
9828 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9829 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9830 (forwardMostMove / 2) + 1,
9831 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9832 DisplayError(move, 0);
9835 if (appData.debugMode)
9836 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9837 yy_text, currentMoveString);
9838 fromX = currentMoveString[0] - AAA;
9839 fromY = currentMoveString[1] - ONE;
9840 toX = currentMoveString[2] - AAA;
9841 toY = currentMoveString[3] - ONE;
9842 promoChar = currentMoveString[4];
9847 if (appData.debugMode)
9848 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9849 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9850 (forwardMostMove / 2) + 1,
9851 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9852 DisplayError(move, 0);
9857 case ImpossibleMove:
9858 if (appData.debugMode)
9859 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9860 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9861 (forwardMostMove / 2) + 1,
9862 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9863 DisplayError(move, 0);
9869 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9870 DrawPosition(FALSE, boards[currentMove]);
9871 DisplayBothClocks();
9872 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9873 DisplayComment(currentMove - 1, commentList[currentMove]);
9875 (void) StopLoadGameTimer();
9877 cmailOldMove = forwardMostMove;
9880 /* currentMoveString is set as a side-effect of yylex */
9881 strcat(currentMoveString, "\n");
9882 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9884 thinkOutput[0] = NULLCHAR;
9885 MakeMove(fromX, fromY, toX, toY, promoChar);
9886 currentMove = forwardMostMove;
9891 /* Load the nth game from the given file */
9893 LoadGameFromFile(filename, n, title, useList)
9897 /*Boolean*/ int useList;
9902 if (strcmp(filename, "-") == 0) {
9906 f = fopen(filename, "rb");
9908 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9909 DisplayError(buf, errno);
9913 if (fseek(f, 0, 0) == -1) {
9914 /* f is not seekable; probably a pipe */
9917 if (useList && n == 0) {
9918 int error = GameListBuild(f);
9920 DisplayError(_("Cannot build game list"), error);
9921 } else if (!ListEmpty(&gameList) &&
9922 ((ListGame *) gameList.tailPred)->number > 1) {
9923 GameListPopUp(f, title);
9930 return LoadGame(f, n, title, FALSE);
9935 MakeRegisteredMove()
9937 int fromX, fromY, toX, toY;
9939 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9940 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9943 if (appData.debugMode)
9944 fprintf(debugFP, "Restoring %s for game %d\n",
9945 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9947 thinkOutput[0] = NULLCHAR;
9948 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9949 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9950 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9951 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9952 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9953 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9954 MakeMove(fromX, fromY, toX, toY, promoChar);
9955 ShowMove(fromX, fromY, toX, toY);
9957 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9964 if (WhiteOnMove(currentMove)) {
9965 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9967 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9972 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9979 if (WhiteOnMove(currentMove)) {
9980 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9982 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9987 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9998 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10000 CmailLoadGame(f, gameNumber, title, useList)
10008 if (gameNumber > nCmailGames) {
10009 DisplayError(_("No more games in this message"), 0);
10012 if (f == lastLoadGameFP) {
10013 int offset = gameNumber - lastLoadGameNumber;
10015 cmailMsg[0] = NULLCHAR;
10016 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10017 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10018 nCmailMovesRegistered--;
10020 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10021 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10022 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10025 if (! RegisterMove()) return FALSE;
10029 retVal = LoadGame(f, gameNumber, title, useList);
10031 /* Make move registered during previous look at this game, if any */
10032 MakeRegisteredMove();
10034 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10035 commentList[currentMove]
10036 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10037 DisplayComment(currentMove - 1, commentList[currentMove]);
10043 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10048 int gameNumber = lastLoadGameNumber + offset;
10049 if (lastLoadGameFP == NULL) {
10050 DisplayError(_("No game has been loaded yet"), 0);
10053 if (gameNumber <= 0) {
10054 DisplayError(_("Can't back up any further"), 0);
10057 if (cmailMsgLoaded) {
10058 return CmailLoadGame(lastLoadGameFP, gameNumber,
10059 lastLoadGameTitle, lastLoadGameUseList);
10061 return LoadGame(lastLoadGameFP, gameNumber,
10062 lastLoadGameTitle, lastLoadGameUseList);
10068 /* Load the nth game from open file f */
10070 LoadGame(f, gameNumber, title, useList)
10078 int gn = gameNumber;
10079 ListGame *lg = NULL;
10080 int numPGNTags = 0;
10082 GameMode oldGameMode;
10083 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10085 if (appData.debugMode)
10086 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10088 if (gameMode == Training )
10089 SetTrainingModeOff();
10091 oldGameMode = gameMode;
10092 if (gameMode != BeginningOfGame) {
10093 Reset(FALSE, TRUE);
10097 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10098 fclose(lastLoadGameFP);
10102 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10105 fseek(f, lg->offset, 0);
10106 GameListHighlight(gameNumber);
10110 DisplayError(_("Game number out of range"), 0);
10115 if (fseek(f, 0, 0) == -1) {
10116 if (f == lastLoadGameFP ?
10117 gameNumber == lastLoadGameNumber + 1 :
10121 DisplayError(_("Can't seek on game file"), 0);
10126 lastLoadGameFP = f;
10127 lastLoadGameNumber = gameNumber;
10128 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10129 lastLoadGameUseList = useList;
10133 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10134 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10135 lg->gameInfo.black);
10137 } else if (*title != NULLCHAR) {
10138 if (gameNumber > 1) {
10139 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10142 DisplayTitle(title);
10146 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10147 gameMode = PlayFromGameFile;
10151 currentMove = forwardMostMove = backwardMostMove = 0;
10152 CopyBoard(boards[0], initialPosition);
10156 * Skip the first gn-1 games in the file.
10157 * Also skip over anything that precedes an identifiable
10158 * start of game marker, to avoid being confused by
10159 * garbage at the start of the file. Currently
10160 * recognized start of game markers are the move number "1",
10161 * the pattern "gnuchess .* game", the pattern
10162 * "^[#;%] [^ ]* game file", and a PGN tag block.
10163 * A game that starts with one of the latter two patterns
10164 * will also have a move number 1, possibly
10165 * following a position diagram.
10166 * 5-4-02: Let's try being more lenient and allowing a game to
10167 * start with an unnumbered move. Does that break anything?
10169 cm = lastLoadGameStart = EndOfFile;
10171 yyboardindex = forwardMostMove;
10172 cm = (ChessMove) yylex();
10175 if (cmailMsgLoaded) {
10176 nCmailGames = CMAIL_MAX_GAMES - gn;
10179 DisplayError(_("Game not found in file"), 0);
10186 lastLoadGameStart = cm;
10189 case MoveNumberOne:
10190 switch (lastLoadGameStart) {
10195 case MoveNumberOne:
10197 gn--; /* count this game */
10198 lastLoadGameStart = cm;
10207 switch (lastLoadGameStart) {
10210 case MoveNumberOne:
10212 gn--; /* count this game */
10213 lastLoadGameStart = cm;
10216 lastLoadGameStart = cm; /* game counted already */
10224 yyboardindex = forwardMostMove;
10225 cm = (ChessMove) yylex();
10226 } while (cm == PGNTag || cm == Comment);
10233 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10234 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10235 != CMAIL_OLD_RESULT) {
10237 cmailResult[ CMAIL_MAX_GAMES
10238 - gn - 1] = CMAIL_OLD_RESULT;
10244 /* Only a NormalMove can be at the start of a game
10245 * without a position diagram. */
10246 if (lastLoadGameStart == EndOfFile ) {
10248 lastLoadGameStart = MoveNumberOne;
10257 if (appData.debugMode)
10258 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10260 if (cm == XBoardGame) {
10261 /* Skip any header junk before position diagram and/or move 1 */
10263 yyboardindex = forwardMostMove;
10264 cm = (ChessMove) yylex();
10266 if (cm == EndOfFile ||
10267 cm == GNUChessGame || cm == XBoardGame) {
10268 /* Empty game; pretend end-of-file and handle later */
10273 if (cm == MoveNumberOne || cm == PositionDiagram ||
10274 cm == PGNTag || cm == Comment)
10277 } else if (cm == GNUChessGame) {
10278 if (gameInfo.event != NULL) {
10279 free(gameInfo.event);
10281 gameInfo.event = StrSave(yy_text);
10284 startedFromSetupPosition = FALSE;
10285 while (cm == PGNTag) {
10286 if (appData.debugMode)
10287 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10288 err = ParsePGNTag(yy_text, &gameInfo);
10289 if (!err) numPGNTags++;
10291 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10292 if(gameInfo.variant != oldVariant) {
10293 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10294 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10295 InitPosition(TRUE);
10296 oldVariant = gameInfo.variant;
10297 if (appData.debugMode)
10298 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10302 if (gameInfo.fen != NULL) {
10303 Board initial_position;
10304 startedFromSetupPosition = TRUE;
10305 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10307 DisplayError(_("Bad FEN position in file"), 0);
10310 CopyBoard(boards[0], initial_position);
10311 if (blackPlaysFirst) {
10312 currentMove = forwardMostMove = backwardMostMove = 1;
10313 CopyBoard(boards[1], initial_position);
10314 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10315 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10316 timeRemaining[0][1] = whiteTimeRemaining;
10317 timeRemaining[1][1] = blackTimeRemaining;
10318 if (commentList[0] != NULL) {
10319 commentList[1] = commentList[0];
10320 commentList[0] = NULL;
10323 currentMove = forwardMostMove = backwardMostMove = 0;
10325 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10327 initialRulePlies = FENrulePlies;
10328 for( i=0; i< nrCastlingRights; i++ )
10329 initialRights[i] = initial_position[CASTLING][i];
10331 yyboardindex = forwardMostMove;
10332 free(gameInfo.fen);
10333 gameInfo.fen = NULL;
10336 yyboardindex = forwardMostMove;
10337 cm = (ChessMove) yylex();
10339 /* Handle comments interspersed among the tags */
10340 while (cm == Comment) {
10342 if (appData.debugMode)
10343 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10345 AppendComment(currentMove, p, FALSE);
10346 yyboardindex = forwardMostMove;
10347 cm = (ChessMove) yylex();
10351 /* don't rely on existence of Event tag since if game was
10352 * pasted from clipboard the Event tag may not exist
10354 if (numPGNTags > 0){
10356 if (gameInfo.variant == VariantNormal) {
10357 VariantClass v = StringToVariant(gameInfo.event);
10358 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10359 if(v < VariantShogi) gameInfo.variant = v;
10362 if( appData.autoDisplayTags ) {
10363 tags = PGNTags(&gameInfo);
10364 TagsPopUp(tags, CmailMsg());
10369 /* Make something up, but don't display it now */
10374 if (cm == PositionDiagram) {
10377 Board initial_position;
10379 if (appData.debugMode)
10380 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10382 if (!startedFromSetupPosition) {
10384 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10385 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10395 initial_position[i][j++] = CharToPiece(*p);
10398 while (*p == ' ' || *p == '\t' ||
10399 *p == '\n' || *p == '\r') p++;
10401 if (strncmp(p, "black", strlen("black"))==0)
10402 blackPlaysFirst = TRUE;
10404 blackPlaysFirst = FALSE;
10405 startedFromSetupPosition = TRUE;
10407 CopyBoard(boards[0], initial_position);
10408 if (blackPlaysFirst) {
10409 currentMove = forwardMostMove = backwardMostMove = 1;
10410 CopyBoard(boards[1], initial_position);
10411 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10412 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10413 timeRemaining[0][1] = whiteTimeRemaining;
10414 timeRemaining[1][1] = blackTimeRemaining;
10415 if (commentList[0] != NULL) {
10416 commentList[1] = commentList[0];
10417 commentList[0] = NULL;
10420 currentMove = forwardMostMove = backwardMostMove = 0;
10423 yyboardindex = forwardMostMove;
10424 cm = (ChessMove) yylex();
10427 if (first.pr == NoProc) {
10428 StartChessProgram(&first);
10430 InitChessProgram(&first, FALSE);
10431 SendToProgram("force\n", &first);
10432 if (startedFromSetupPosition) {
10433 SendBoard(&first, forwardMostMove);
10434 if (appData.debugMode) {
10435 fprintf(debugFP, "Load Game\n");
10437 DisplayBothClocks();
10440 /* [HGM] server: flag to write setup moves in broadcast file as one */
10441 loadFlag = appData.suppressLoadMoves;
10443 while (cm == Comment) {
10445 if (appData.debugMode)
10446 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10448 AppendComment(currentMove, p, FALSE);
10449 yyboardindex = forwardMostMove;
10450 cm = (ChessMove) yylex();
10453 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10454 cm == WhiteWins || cm == BlackWins ||
10455 cm == GameIsDrawn || cm == GameUnfinished) {
10456 DisplayMessage("", _("No moves in game"));
10457 if (cmailMsgLoaded) {
10458 if (appData.debugMode)
10459 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10463 DrawPosition(FALSE, boards[currentMove]);
10464 DisplayBothClocks();
10465 gameMode = EditGame;
10472 // [HGM] PV info: routine tests if comment empty
10473 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10474 DisplayComment(currentMove - 1, commentList[currentMove]);
10476 if (!matchMode && appData.timeDelay != 0)
10477 DrawPosition(FALSE, boards[currentMove]);
10479 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10480 programStats.ok_to_send = 1;
10483 /* if the first token after the PGN tags is a move
10484 * and not move number 1, retrieve it from the parser
10486 if (cm != MoveNumberOne)
10487 LoadGameOneMove(cm);
10489 /* load the remaining moves from the file */
10490 while (LoadGameOneMove(EndOfFile)) {
10491 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10492 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10495 /* rewind to the start of the game */
10496 currentMove = backwardMostMove;
10498 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10500 if (oldGameMode == AnalyzeFile ||
10501 oldGameMode == AnalyzeMode) {
10502 AnalyzeFileEvent();
10505 if (matchMode || appData.timeDelay == 0) {
10507 gameMode = EditGame;
10509 } else if (appData.timeDelay > 0) {
10510 AutoPlayGameLoop();
10513 if (appData.debugMode)
10514 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10516 loadFlag = 0; /* [HGM] true game starts */
10520 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10522 ReloadPosition(offset)
10525 int positionNumber = lastLoadPositionNumber + offset;
10526 if (lastLoadPositionFP == NULL) {
10527 DisplayError(_("No position has been loaded yet"), 0);
10530 if (positionNumber <= 0) {
10531 DisplayError(_("Can't back up any further"), 0);
10534 return LoadPosition(lastLoadPositionFP, positionNumber,
10535 lastLoadPositionTitle);
10538 /* Load the nth position from the given file */
10540 LoadPositionFromFile(filename, n, title)
10548 if (strcmp(filename, "-") == 0) {
10549 return LoadPosition(stdin, n, "stdin");
10551 f = fopen(filename, "rb");
10553 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10554 DisplayError(buf, errno);
10557 return LoadPosition(f, n, title);
10562 /* Load the nth position from the given open file, and close it */
10564 LoadPosition(f, positionNumber, title)
10566 int positionNumber;
10569 char *p, line[MSG_SIZ];
10570 Board initial_position;
10571 int i, j, fenMode, pn;
10573 if (gameMode == Training )
10574 SetTrainingModeOff();
10576 if (gameMode != BeginningOfGame) {
10577 Reset(FALSE, TRUE);
10579 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10580 fclose(lastLoadPositionFP);
10582 if (positionNumber == 0) positionNumber = 1;
10583 lastLoadPositionFP = f;
10584 lastLoadPositionNumber = positionNumber;
10585 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10586 if (first.pr == NoProc) {
10587 StartChessProgram(&first);
10588 InitChessProgram(&first, FALSE);
10590 pn = positionNumber;
10591 if (positionNumber < 0) {
10592 /* Negative position number means to seek to that byte offset */
10593 if (fseek(f, -positionNumber, 0) == -1) {
10594 DisplayError(_("Can't seek on position file"), 0);
10599 if (fseek(f, 0, 0) == -1) {
10600 if (f == lastLoadPositionFP ?
10601 positionNumber == lastLoadPositionNumber + 1 :
10602 positionNumber == 1) {
10605 DisplayError(_("Can't seek on position file"), 0);
10610 /* See if this file is FEN or old-style xboard */
10611 if (fgets(line, MSG_SIZ, f) == NULL) {
10612 DisplayError(_("Position not found in file"), 0);
10615 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10616 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10619 if (fenMode || line[0] == '#') pn--;
10621 /* skip positions before number pn */
10622 if (fgets(line, MSG_SIZ, f) == NULL) {
10624 DisplayError(_("Position not found in file"), 0);
10627 if (fenMode || line[0] == '#') pn--;
10632 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10633 DisplayError(_("Bad FEN position in file"), 0);
10637 (void) fgets(line, MSG_SIZ, f);
10638 (void) fgets(line, MSG_SIZ, f);
10640 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10641 (void) fgets(line, MSG_SIZ, f);
10642 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10645 initial_position[i][j++] = CharToPiece(*p);
10649 blackPlaysFirst = FALSE;
10651 (void) fgets(line, MSG_SIZ, f);
10652 if (strncmp(line, "black", strlen("black"))==0)
10653 blackPlaysFirst = TRUE;
10656 startedFromSetupPosition = TRUE;
10658 SendToProgram("force\n", &first);
10659 CopyBoard(boards[0], initial_position);
10660 if (blackPlaysFirst) {
10661 currentMove = forwardMostMove = backwardMostMove = 1;
10662 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10663 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10664 CopyBoard(boards[1], initial_position);
10665 DisplayMessage("", _("Black to play"));
10667 currentMove = forwardMostMove = backwardMostMove = 0;
10668 DisplayMessage("", _("White to play"));
10670 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10671 SendBoard(&first, forwardMostMove);
10672 if (appData.debugMode) {
10674 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10675 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10676 fprintf(debugFP, "Load Position\n");
10679 if (positionNumber > 1) {
10680 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10681 DisplayTitle(line);
10683 DisplayTitle(title);
10685 gameMode = EditGame;
10688 timeRemaining[0][1] = whiteTimeRemaining;
10689 timeRemaining[1][1] = blackTimeRemaining;
10690 DrawPosition(FALSE, boards[currentMove]);
10697 CopyPlayerNameIntoFileName(dest, src)
10700 while (*src != NULLCHAR && *src != ',') {
10705 *(*dest)++ = *src++;
10710 char *DefaultFileName(ext)
10713 static char def[MSG_SIZ];
10716 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10718 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10720 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10722 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10729 /* Save the current game to the given file */
10731 SaveGameToFile(filename, append)
10738 if (strcmp(filename, "-") == 0) {
10739 return SaveGame(stdout, 0, NULL);
10741 f = fopen(filename, append ? "a" : "w");
10743 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10744 DisplayError(buf, errno);
10747 return SaveGame(f, 0, NULL);
10756 static char buf[MSG_SIZ];
10759 p = strchr(str, ' ');
10760 if (p == NULL) return str;
10761 strncpy(buf, str, p - str);
10762 buf[p - str] = NULLCHAR;
10766 #define PGN_MAX_LINE 75
10768 #define PGN_SIDE_WHITE 0
10769 #define PGN_SIDE_BLACK 1
10772 static int FindFirstMoveOutOfBook( int side )
10776 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10777 int index = backwardMostMove;
10778 int has_book_hit = 0;
10780 if( (index % 2) != side ) {
10784 while( index < forwardMostMove ) {
10785 /* Check to see if engine is in book */
10786 int depth = pvInfoList[index].depth;
10787 int score = pvInfoList[index].score;
10793 else if( score == 0 && depth == 63 ) {
10794 in_book = 1; /* Zappa */
10796 else if( score == 2 && depth == 99 ) {
10797 in_book = 1; /* Abrok */
10800 has_book_hit += in_book;
10816 void GetOutOfBookInfo( char * buf )
10820 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10822 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10823 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10827 if( oob[0] >= 0 || oob[1] >= 0 ) {
10828 for( i=0; i<2; i++ ) {
10832 if( i > 0 && oob[0] >= 0 ) {
10833 strcat( buf, " " );
10836 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10837 sprintf( buf+strlen(buf), "%s%.2f",
10838 pvInfoList[idx].score >= 0 ? "+" : "",
10839 pvInfoList[idx].score / 100.0 );
10845 /* Save game in PGN style and close the file */
10850 int i, offset, linelen, newblock;
10854 int movelen, numlen, blank;
10855 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10857 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10859 tm = time((time_t *) NULL);
10861 PrintPGNTags(f, &gameInfo);
10863 if (backwardMostMove > 0 || startedFromSetupPosition) {
10864 char *fen = PositionToFEN(backwardMostMove, NULL);
10865 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10866 fprintf(f, "\n{--------------\n");
10867 PrintPosition(f, backwardMostMove);
10868 fprintf(f, "--------------}\n");
10872 /* [AS] Out of book annotation */
10873 if( appData.saveOutOfBookInfo ) {
10876 GetOutOfBookInfo( buf );
10878 if( buf[0] != '\0' ) {
10879 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10886 i = backwardMostMove;
10890 while (i < forwardMostMove) {
10891 /* Print comments preceding this move */
10892 if (commentList[i] != NULL) {
10893 if (linelen > 0) fprintf(f, "\n");
10894 fprintf(f, "%s", commentList[i]);
10899 /* Format move number */
10901 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10904 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10906 numtext[0] = NULLCHAR;
10908 numlen = strlen(numtext);
10911 /* Print move number */
10912 blank = linelen > 0 && numlen > 0;
10913 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10922 fprintf(f, "%s", numtext);
10926 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10927 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10930 blank = linelen > 0 && movelen > 0;
10931 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10940 fprintf(f, "%s", move_buffer);
10941 linelen += movelen;
10943 /* [AS] Add PV info if present */
10944 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10945 /* [HGM] add time */
10946 char buf[MSG_SIZ]; int seconds;
10948 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10954 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10957 seconds = (seconds + 4)/10; // round to full seconds
10959 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10961 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10964 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10965 pvInfoList[i].score >= 0 ? "+" : "",
10966 pvInfoList[i].score / 100.0,
10967 pvInfoList[i].depth,
10970 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10972 /* Print score/depth */
10973 blank = linelen > 0 && movelen > 0;
10974 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10983 fprintf(f, "%s", move_buffer);
10984 linelen += movelen;
10990 /* Start a new line */
10991 if (linelen > 0) fprintf(f, "\n");
10993 /* Print comments after last move */
10994 if (commentList[i] != NULL) {
10995 fprintf(f, "%s\n", commentList[i]);
10999 if (gameInfo.resultDetails != NULL &&
11000 gameInfo.resultDetails[0] != NULLCHAR) {
11001 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11002 PGNResult(gameInfo.result));
11004 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11008 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11012 /* Save game in old style and close the file */
11014 SaveGameOldStyle(f)
11020 tm = time((time_t *) NULL);
11022 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11025 if (backwardMostMove > 0 || startedFromSetupPosition) {
11026 fprintf(f, "\n[--------------\n");
11027 PrintPosition(f, backwardMostMove);
11028 fprintf(f, "--------------]\n");
11033 i = backwardMostMove;
11034 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11036 while (i < forwardMostMove) {
11037 if (commentList[i] != NULL) {
11038 fprintf(f, "[%s]\n", commentList[i]);
11041 if ((i % 2) == 1) {
11042 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11045 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11047 if (commentList[i] != NULL) {
11051 if (i >= forwardMostMove) {
11055 fprintf(f, "%s\n", parseList[i]);
11060 if (commentList[i] != NULL) {
11061 fprintf(f, "[%s]\n", commentList[i]);
11064 /* This isn't really the old style, but it's close enough */
11065 if (gameInfo.resultDetails != NULL &&
11066 gameInfo.resultDetails[0] != NULLCHAR) {
11067 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11068 gameInfo.resultDetails);
11070 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11077 /* Save the current game to open file f and close the file */
11079 SaveGame(f, dummy, dummy2)
11084 if (gameMode == EditPosition) EditPositionDone(TRUE);
11085 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11086 if (appData.oldSaveStyle)
11087 return SaveGameOldStyle(f);
11089 return SaveGamePGN(f);
11092 /* Save the current position to the given file */
11094 SavePositionToFile(filename)
11100 if (strcmp(filename, "-") == 0) {
11101 return SavePosition(stdout, 0, NULL);
11103 f = fopen(filename, "a");
11105 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11106 DisplayError(buf, errno);
11109 SavePosition(f, 0, NULL);
11115 /* Save the current position to the given open file and close the file */
11117 SavePosition(f, dummy, dummy2)
11125 if (gameMode == EditPosition) EditPositionDone(TRUE);
11126 if (appData.oldSaveStyle) {
11127 tm = time((time_t *) NULL);
11129 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11131 fprintf(f, "[--------------\n");
11132 PrintPosition(f, currentMove);
11133 fprintf(f, "--------------]\n");
11135 fen = PositionToFEN(currentMove, NULL);
11136 fprintf(f, "%s\n", fen);
11144 ReloadCmailMsgEvent(unregister)
11148 static char *inFilename = NULL;
11149 static char *outFilename;
11151 struct stat inbuf, outbuf;
11154 /* Any registered moves are unregistered if unregister is set, */
11155 /* i.e. invoked by the signal handler */
11157 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11158 cmailMoveRegistered[i] = FALSE;
11159 if (cmailCommentList[i] != NULL) {
11160 free(cmailCommentList[i]);
11161 cmailCommentList[i] = NULL;
11164 nCmailMovesRegistered = 0;
11167 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11168 cmailResult[i] = CMAIL_NOT_RESULT;
11172 if (inFilename == NULL) {
11173 /* Because the filenames are static they only get malloced once */
11174 /* and they never get freed */
11175 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11176 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11178 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11179 sprintf(outFilename, "%s.out", appData.cmailGameName);
11182 status = stat(outFilename, &outbuf);
11184 cmailMailedMove = FALSE;
11186 status = stat(inFilename, &inbuf);
11187 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11190 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11191 counts the games, notes how each one terminated, etc.
11193 It would be nice to remove this kludge and instead gather all
11194 the information while building the game list. (And to keep it
11195 in the game list nodes instead of having a bunch of fixed-size
11196 parallel arrays.) Note this will require getting each game's
11197 termination from the PGN tags, as the game list builder does
11198 not process the game moves. --mann
11200 cmailMsgLoaded = TRUE;
11201 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11203 /* Load first game in the file or popup game menu */
11204 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11206 #endif /* !WIN32 */
11214 char string[MSG_SIZ];
11216 if ( cmailMailedMove
11217 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11218 return TRUE; /* Allow free viewing */
11221 /* Unregister move to ensure that we don't leave RegisterMove */
11222 /* with the move registered when the conditions for registering no */
11224 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11225 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11226 nCmailMovesRegistered --;
11228 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11230 free(cmailCommentList[lastLoadGameNumber - 1]);
11231 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11235 if (cmailOldMove == -1) {
11236 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11240 if (currentMove > cmailOldMove + 1) {
11241 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11245 if (currentMove < cmailOldMove) {
11246 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11250 if (forwardMostMove > currentMove) {
11251 /* Silently truncate extra moves */
11255 if ( (currentMove == cmailOldMove + 1)
11256 || ( (currentMove == cmailOldMove)
11257 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11258 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11259 if (gameInfo.result != GameUnfinished) {
11260 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11263 if (commentList[currentMove] != NULL) {
11264 cmailCommentList[lastLoadGameNumber - 1]
11265 = StrSave(commentList[currentMove]);
11267 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11269 if (appData.debugMode)
11270 fprintf(debugFP, "Saving %s for game %d\n",
11271 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11273 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11275 f = fopen(string, "w");
11276 if (appData.oldSaveStyle) {
11277 SaveGameOldStyle(f); /* also closes the file */
11279 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11280 f = fopen(string, "w");
11281 SavePosition(f, 0, NULL); /* also closes the file */
11283 fprintf(f, "{--------------\n");
11284 PrintPosition(f, currentMove);
11285 fprintf(f, "--------------}\n\n");
11287 SaveGame(f, 0, NULL); /* also closes the file*/
11290 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11291 nCmailMovesRegistered ++;
11292 } else if (nCmailGames == 1) {
11293 DisplayError(_("You have not made a move yet"), 0);
11304 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11305 FILE *commandOutput;
11306 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11307 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11313 if (! cmailMsgLoaded) {
11314 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11318 if (nCmailGames == nCmailResults) {
11319 DisplayError(_("No unfinished games"), 0);
11323 #if CMAIL_PROHIBIT_REMAIL
11324 if (cmailMailedMove) {
11325 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);
11326 DisplayError(msg, 0);
11331 if (! (cmailMailedMove || RegisterMove())) return;
11333 if ( cmailMailedMove
11334 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11335 snprintf(string, MSG_SIZ, partCommandString,
11336 appData.debugMode ? " -v" : "", appData.cmailGameName);
11337 commandOutput = popen(string, "r");
11339 if (commandOutput == NULL) {
11340 DisplayError(_("Failed to invoke cmail"), 0);
11342 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11343 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11345 if (nBuffers > 1) {
11346 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11347 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11348 nBytes = MSG_SIZ - 1;
11350 (void) memcpy(msg, buffer, nBytes);
11352 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11354 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11355 cmailMailedMove = TRUE; /* Prevent >1 moves */
11358 for (i = 0; i < nCmailGames; i ++) {
11359 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11364 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11366 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11368 appData.cmailGameName,
11370 LoadGameFromFile(buffer, 1, buffer, FALSE);
11371 cmailMsgLoaded = FALSE;
11375 DisplayInformation(msg);
11376 pclose(commandOutput);
11379 if ((*cmailMsg) != '\0') {
11380 DisplayInformation(cmailMsg);
11385 #endif /* !WIN32 */
11394 int prependComma = 0;
11396 char string[MSG_SIZ]; /* Space for game-list */
11399 if (!cmailMsgLoaded) return "";
11401 if (cmailMailedMove) {
11402 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11404 /* Create a list of games left */
11405 snprintf(string, MSG_SIZ, "[");
11406 for (i = 0; i < nCmailGames; i ++) {
11407 if (! ( cmailMoveRegistered[i]
11408 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11409 if (prependComma) {
11410 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11412 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11416 strcat(string, number);
11419 strcat(string, "]");
11421 if (nCmailMovesRegistered + nCmailResults == 0) {
11422 switch (nCmailGames) {
11424 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11428 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11432 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11437 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11439 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11444 if (nCmailResults == nCmailGames) {
11445 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11447 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11452 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11464 if (gameMode == Training)
11465 SetTrainingModeOff();
11468 cmailMsgLoaded = FALSE;
11469 if (appData.icsActive) {
11470 SendToICS(ics_prefix);
11471 SendToICS("refresh\n");
11481 /* Give up on clean exit */
11485 /* Keep trying for clean exit */
11489 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11491 if (telnetISR != NULL) {
11492 RemoveInputSource(telnetISR);
11494 if (icsPR != NoProc) {
11495 DestroyChildProcess(icsPR, TRUE);
11498 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11499 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11501 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11502 /* make sure this other one finishes before killing it! */
11503 if(endingGame) { int count = 0;
11504 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11505 while(endingGame && count++ < 10) DoSleep(1);
11506 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11509 /* Kill off chess programs */
11510 if (first.pr != NoProc) {
11513 DoSleep( appData.delayBeforeQuit );
11514 SendToProgram("quit\n", &first);
11515 DoSleep( appData.delayAfterQuit );
11516 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11518 if (second.pr != NoProc) {
11519 DoSleep( appData.delayBeforeQuit );
11520 SendToProgram("quit\n", &second);
11521 DoSleep( appData.delayAfterQuit );
11522 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11524 if (first.isr != NULL) {
11525 RemoveInputSource(first.isr);
11527 if (second.isr != NULL) {
11528 RemoveInputSource(second.isr);
11531 ShutDownFrontEnd();
11538 if (appData.debugMode)
11539 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11543 if (gameMode == MachinePlaysWhite ||
11544 gameMode == MachinePlaysBlack) {
11547 DisplayBothClocks();
11549 if (gameMode == PlayFromGameFile) {
11550 if (appData.timeDelay >= 0)
11551 AutoPlayGameLoop();
11552 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11553 Reset(FALSE, TRUE);
11554 SendToICS(ics_prefix);
11555 SendToICS("refresh\n");
11556 } else if (currentMove < forwardMostMove) {
11557 ForwardInner(forwardMostMove);
11559 pauseExamInvalid = FALSE;
11561 switch (gameMode) {
11565 pauseExamForwardMostMove = forwardMostMove;
11566 pauseExamInvalid = FALSE;
11569 case IcsPlayingWhite:
11570 case IcsPlayingBlack:
11574 case PlayFromGameFile:
11575 (void) StopLoadGameTimer();
11579 case BeginningOfGame:
11580 if (appData.icsActive) return;
11581 /* else fall through */
11582 case MachinePlaysWhite:
11583 case MachinePlaysBlack:
11584 case TwoMachinesPlay:
11585 if (forwardMostMove == 0)
11586 return; /* don't pause if no one has moved */
11587 if ((gameMode == MachinePlaysWhite &&
11588 !WhiteOnMove(forwardMostMove)) ||
11589 (gameMode == MachinePlaysBlack &&
11590 WhiteOnMove(forwardMostMove))) {
11603 char title[MSG_SIZ];
11605 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11606 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11608 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11609 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11610 parseList[currentMove - 1]);
11613 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11620 char *tags = PGNTags(&gameInfo);
11621 EditTagsPopUp(tags);
11628 if (appData.noChessProgram || gameMode == AnalyzeMode)
11631 if (gameMode != AnalyzeFile) {
11632 if (!appData.icsEngineAnalyze) {
11634 if (gameMode != EditGame) return;
11636 ResurrectChessProgram();
11637 SendToProgram("analyze\n", &first);
11638 first.analyzing = TRUE;
11639 /*first.maybeThinking = TRUE;*/
11640 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11641 EngineOutputPopUp();
11643 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11648 StartAnalysisClock();
11649 GetTimeMark(&lastNodeCountTime);
11656 if (appData.noChessProgram || gameMode == AnalyzeFile)
11659 if (gameMode != AnalyzeMode) {
11661 if (gameMode != EditGame) return;
11662 ResurrectChessProgram();
11663 SendToProgram("analyze\n", &first);
11664 first.analyzing = TRUE;
11665 /*first.maybeThinking = TRUE;*/
11666 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11667 EngineOutputPopUp();
11669 gameMode = AnalyzeFile;
11674 StartAnalysisClock();
11675 GetTimeMark(&lastNodeCountTime);
11680 MachineWhiteEvent()
11683 char *bookHit = NULL;
11685 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11689 if (gameMode == PlayFromGameFile ||
11690 gameMode == TwoMachinesPlay ||
11691 gameMode == Training ||
11692 gameMode == AnalyzeMode ||
11693 gameMode == EndOfGame)
11696 if (gameMode == EditPosition)
11697 EditPositionDone(TRUE);
11699 if (!WhiteOnMove(currentMove)) {
11700 DisplayError(_("It is not White's turn"), 0);
11704 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11707 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11708 gameMode == AnalyzeFile)
11711 ResurrectChessProgram(); /* in case it isn't running */
11712 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11713 gameMode = MachinePlaysWhite;
11716 gameMode = MachinePlaysWhite;
11720 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11722 if (first.sendName) {
11723 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11724 SendToProgram(buf, &first);
11726 if (first.sendTime) {
11727 if (first.useColors) {
11728 SendToProgram("black\n", &first); /*gnu kludge*/
11730 SendTimeRemaining(&first, TRUE);
11732 if (first.useColors) {
11733 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11735 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11736 SetMachineThinkingEnables();
11737 first.maybeThinking = TRUE;
11741 if (appData.autoFlipView && !flipView) {
11742 flipView = !flipView;
11743 DrawPosition(FALSE, NULL);
11744 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11747 if(bookHit) { // [HGM] book: simulate book reply
11748 static char bookMove[MSG_SIZ]; // a bit generous?
11750 programStats.nodes = programStats.depth = programStats.time =
11751 programStats.score = programStats.got_only_move = 0;
11752 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11754 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11755 strcat(bookMove, bookHit);
11756 HandleMachineMove(bookMove, &first);
11761 MachineBlackEvent()
11764 char *bookHit = NULL;
11766 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11770 if (gameMode == PlayFromGameFile ||
11771 gameMode == TwoMachinesPlay ||
11772 gameMode == Training ||
11773 gameMode == AnalyzeMode ||
11774 gameMode == EndOfGame)
11777 if (gameMode == EditPosition)
11778 EditPositionDone(TRUE);
11780 if (WhiteOnMove(currentMove)) {
11781 DisplayError(_("It is not Black's turn"), 0);
11785 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11788 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11789 gameMode == AnalyzeFile)
11792 ResurrectChessProgram(); /* in case it isn't running */
11793 gameMode = MachinePlaysBlack;
11797 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11799 if (first.sendName) {
11800 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11801 SendToProgram(buf, &first);
11803 if (first.sendTime) {
11804 if (first.useColors) {
11805 SendToProgram("white\n", &first); /*gnu kludge*/
11807 SendTimeRemaining(&first, FALSE);
11809 if (first.useColors) {
11810 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11812 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11813 SetMachineThinkingEnables();
11814 first.maybeThinking = TRUE;
11817 if (appData.autoFlipView && flipView) {
11818 flipView = !flipView;
11819 DrawPosition(FALSE, NULL);
11820 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11822 if(bookHit) { // [HGM] book: simulate book reply
11823 static char bookMove[MSG_SIZ]; // a bit generous?
11825 programStats.nodes = programStats.depth = programStats.time =
11826 programStats.score = programStats.got_only_move = 0;
11827 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11829 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11830 strcat(bookMove, bookHit);
11831 HandleMachineMove(bookMove, &first);
11837 DisplayTwoMachinesTitle()
11840 if (appData.matchGames > 0) {
11841 if (first.twoMachinesColor[0] == 'w') {
11842 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11843 gameInfo.white, gameInfo.black,
11844 first.matchWins, second.matchWins,
11845 matchGame - 1 - (first.matchWins + second.matchWins));
11847 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11848 gameInfo.white, gameInfo.black,
11849 second.matchWins, first.matchWins,
11850 matchGame - 1 - (first.matchWins + second.matchWins));
11853 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11859 TwoMachinesEvent P((void))
11863 ChessProgramState *onmove;
11864 char *bookHit = NULL;
11866 if (appData.noChessProgram) return;
11868 switch (gameMode) {
11869 case TwoMachinesPlay:
11871 case MachinePlaysWhite:
11872 case MachinePlaysBlack:
11873 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11874 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11878 case BeginningOfGame:
11879 case PlayFromGameFile:
11882 if (gameMode != EditGame) return;
11885 EditPositionDone(TRUE);
11896 // forwardMostMove = currentMove;
11897 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11898 ResurrectChessProgram(); /* in case first program isn't running */
11900 if (second.pr == NULL) {
11901 StartChessProgram(&second);
11902 if (second.protocolVersion == 1) {
11903 TwoMachinesEventIfReady();
11905 /* kludge: allow timeout for initial "feature" command */
11907 DisplayMessage("", _("Starting second chess program"));
11908 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11912 DisplayMessage("", "");
11913 InitChessProgram(&second, FALSE);
11914 SendToProgram("force\n", &second);
11915 if (startedFromSetupPosition) {
11916 SendBoard(&second, backwardMostMove);
11917 if (appData.debugMode) {
11918 fprintf(debugFP, "Two Machines\n");
11921 for (i = backwardMostMove; i < forwardMostMove; i++) {
11922 SendMoveToProgram(i, &second);
11925 gameMode = TwoMachinesPlay;
11929 DisplayTwoMachinesTitle();
11931 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11937 SendToProgram(first.computerString, &first);
11938 if (first.sendName) {
11939 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11940 SendToProgram(buf, &first);
11942 SendToProgram(second.computerString, &second);
11943 if (second.sendName) {
11944 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11945 SendToProgram(buf, &second);
11949 if (!first.sendTime || !second.sendTime) {
11950 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11951 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11953 if (onmove->sendTime) {
11954 if (onmove->useColors) {
11955 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11957 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11959 if (onmove->useColors) {
11960 SendToProgram(onmove->twoMachinesColor, onmove);
11962 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11963 // SendToProgram("go\n", onmove);
11964 onmove->maybeThinking = TRUE;
11965 SetMachineThinkingEnables();
11969 if(bookHit) { // [HGM] book: simulate book reply
11970 static char bookMove[MSG_SIZ]; // a bit generous?
11972 programStats.nodes = programStats.depth = programStats.time =
11973 programStats.score = programStats.got_only_move = 0;
11974 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11976 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11977 strcat(bookMove, bookHit);
11978 savedMessage = bookMove; // args for deferred call
11979 savedState = onmove;
11980 ScheduleDelayedEvent(DeferredBookMove, 1);
11987 if (gameMode == Training) {
11988 SetTrainingModeOff();
11989 gameMode = PlayFromGameFile;
11990 DisplayMessage("", _("Training mode off"));
11992 gameMode = Training;
11993 animateTraining = appData.animate;
11995 /* make sure we are not already at the end of the game */
11996 if (currentMove < forwardMostMove) {
11997 SetTrainingModeOn();
11998 DisplayMessage("", _("Training mode on"));
12000 gameMode = PlayFromGameFile;
12001 DisplayError(_("Already at end of game"), 0);
12010 if (!appData.icsActive) return;
12011 switch (gameMode) {
12012 case IcsPlayingWhite:
12013 case IcsPlayingBlack:
12016 case BeginningOfGame:
12024 EditPositionDone(TRUE);
12037 gameMode = IcsIdle;
12048 switch (gameMode) {
12050 SetTrainingModeOff();
12052 case MachinePlaysWhite:
12053 case MachinePlaysBlack:
12054 case BeginningOfGame:
12055 SendToProgram("force\n", &first);
12056 SetUserThinkingEnables();
12058 case PlayFromGameFile:
12059 (void) StopLoadGameTimer();
12060 if (gameFileFP != NULL) {
12065 EditPositionDone(TRUE);
12070 SendToProgram("force\n", &first);
12072 case TwoMachinesPlay:
12073 GameEnds(EndOfFile, NULL, GE_PLAYER);
12074 ResurrectChessProgram();
12075 SetUserThinkingEnables();
12078 ResurrectChessProgram();
12080 case IcsPlayingBlack:
12081 case IcsPlayingWhite:
12082 DisplayError(_("Warning: You are still playing a game"), 0);
12085 DisplayError(_("Warning: You are still observing a game"), 0);
12088 DisplayError(_("Warning: You are still examining a game"), 0);
12099 first.offeredDraw = second.offeredDraw = 0;
12101 if (gameMode == PlayFromGameFile) {
12102 whiteTimeRemaining = timeRemaining[0][currentMove];
12103 blackTimeRemaining = timeRemaining[1][currentMove];
12107 if (gameMode == MachinePlaysWhite ||
12108 gameMode == MachinePlaysBlack ||
12109 gameMode == TwoMachinesPlay ||
12110 gameMode == EndOfGame) {
12111 i = forwardMostMove;
12112 while (i > currentMove) {
12113 SendToProgram("undo\n", &first);
12116 whiteTimeRemaining = timeRemaining[0][currentMove];
12117 blackTimeRemaining = timeRemaining[1][currentMove];
12118 DisplayBothClocks();
12119 if (whiteFlag || blackFlag) {
12120 whiteFlag = blackFlag = 0;
12125 gameMode = EditGame;
12132 EditPositionEvent()
12134 if (gameMode == EditPosition) {
12140 if (gameMode != EditGame) return;
12142 gameMode = EditPosition;
12145 if (currentMove > 0)
12146 CopyBoard(boards[0], boards[currentMove]);
12148 blackPlaysFirst = !WhiteOnMove(currentMove);
12150 currentMove = forwardMostMove = backwardMostMove = 0;
12151 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12158 /* [DM] icsEngineAnalyze - possible call from other functions */
12159 if (appData.icsEngineAnalyze) {
12160 appData.icsEngineAnalyze = FALSE;
12162 DisplayMessage("",_("Close ICS engine analyze..."));
12164 if (first.analysisSupport && first.analyzing) {
12165 SendToProgram("exit\n", &first);
12166 first.analyzing = FALSE;
12168 thinkOutput[0] = NULLCHAR;
12172 EditPositionDone(Boolean fakeRights)
12174 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12176 startedFromSetupPosition = TRUE;
12177 InitChessProgram(&first, FALSE);
12178 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12179 boards[0][EP_STATUS] = EP_NONE;
12180 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12181 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12182 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12183 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12184 } else boards[0][CASTLING][2] = NoRights;
12185 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12186 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12187 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12188 } else boards[0][CASTLING][5] = NoRights;
12190 SendToProgram("force\n", &first);
12191 if (blackPlaysFirst) {
12192 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12193 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12194 currentMove = forwardMostMove = backwardMostMove = 1;
12195 CopyBoard(boards[1], boards[0]);
12197 currentMove = forwardMostMove = backwardMostMove = 0;
12199 SendBoard(&first, forwardMostMove);
12200 if (appData.debugMode) {
12201 fprintf(debugFP, "EditPosDone\n");
12204 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12205 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12206 gameMode = EditGame;
12208 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12209 ClearHighlights(); /* [AS] */
12212 /* Pause for `ms' milliseconds */
12213 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12223 } while (SubtractTimeMarks(&m2, &m1) < ms);
12226 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12228 SendMultiLineToICS(buf)
12231 char temp[MSG_SIZ+1], *p;
12238 strncpy(temp, buf, len);
12243 if (*p == '\n' || *p == '\r')
12248 strcat(temp, "\n");
12250 SendToPlayer(temp, strlen(temp));
12254 SetWhiteToPlayEvent()
12256 if (gameMode == EditPosition) {
12257 blackPlaysFirst = FALSE;
12258 DisplayBothClocks(); /* works because currentMove is 0 */
12259 } else if (gameMode == IcsExamining) {
12260 SendToICS(ics_prefix);
12261 SendToICS("tomove white\n");
12266 SetBlackToPlayEvent()
12268 if (gameMode == EditPosition) {
12269 blackPlaysFirst = TRUE;
12270 currentMove = 1; /* kludge */
12271 DisplayBothClocks();
12273 } else if (gameMode == IcsExamining) {
12274 SendToICS(ics_prefix);
12275 SendToICS("tomove black\n");
12280 EditPositionMenuEvent(selection, x, y)
12281 ChessSquare selection;
12285 ChessSquare piece = boards[0][y][x];
12287 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12289 switch (selection) {
12291 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12292 SendToICS(ics_prefix);
12293 SendToICS("bsetup clear\n");
12294 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12295 SendToICS(ics_prefix);
12296 SendToICS("clearboard\n");
12298 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12299 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12300 for (y = 0; y < BOARD_HEIGHT; y++) {
12301 if (gameMode == IcsExamining) {
12302 if (boards[currentMove][y][x] != EmptySquare) {
12303 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12308 boards[0][y][x] = p;
12313 if (gameMode == EditPosition) {
12314 DrawPosition(FALSE, boards[0]);
12319 SetWhiteToPlayEvent();
12323 SetBlackToPlayEvent();
12327 if (gameMode == IcsExamining) {
12328 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12329 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12332 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12333 if(x == BOARD_LEFT-2) {
12334 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12335 boards[0][y][1] = 0;
12337 if(x == BOARD_RGHT+1) {
12338 if(y >= gameInfo.holdingsSize) break;
12339 boards[0][y][BOARD_WIDTH-2] = 0;
12342 boards[0][y][x] = EmptySquare;
12343 DrawPosition(FALSE, boards[0]);
12348 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12349 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12350 selection = (ChessSquare) (PROMOTED piece);
12351 } else if(piece == EmptySquare) selection = WhiteSilver;
12352 else selection = (ChessSquare)((int)piece - 1);
12356 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12357 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12358 selection = (ChessSquare) (DEMOTED piece);
12359 } else if(piece == EmptySquare) selection = BlackSilver;
12360 else selection = (ChessSquare)((int)piece + 1);
12365 if(gameInfo.variant == VariantShatranj ||
12366 gameInfo.variant == VariantXiangqi ||
12367 gameInfo.variant == VariantCourier ||
12368 gameInfo.variant == VariantMakruk )
12369 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12374 if(gameInfo.variant == VariantXiangqi)
12375 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12376 if(gameInfo.variant == VariantKnightmate)
12377 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12380 if (gameMode == IcsExamining) {
12381 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12382 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12383 PieceToChar(selection), AAA + x, ONE + y);
12386 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12388 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12389 n = PieceToNumber(selection - BlackPawn);
12390 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12391 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12392 boards[0][BOARD_HEIGHT-1-n][1]++;
12394 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12395 n = PieceToNumber(selection);
12396 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12397 boards[0][n][BOARD_WIDTH-1] = selection;
12398 boards[0][n][BOARD_WIDTH-2]++;
12401 boards[0][y][x] = selection;
12402 DrawPosition(TRUE, boards[0]);
12410 DropMenuEvent(selection, x, y)
12411 ChessSquare selection;
12414 ChessMove moveType;
12416 switch (gameMode) {
12417 case IcsPlayingWhite:
12418 case MachinePlaysBlack:
12419 if (!WhiteOnMove(currentMove)) {
12420 DisplayMoveError(_("It is Black's turn"));
12423 moveType = WhiteDrop;
12425 case IcsPlayingBlack:
12426 case MachinePlaysWhite:
12427 if (WhiteOnMove(currentMove)) {
12428 DisplayMoveError(_("It is White's turn"));
12431 moveType = BlackDrop;
12434 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12440 if (moveType == BlackDrop && selection < BlackPawn) {
12441 selection = (ChessSquare) ((int) selection
12442 + (int) BlackPawn - (int) WhitePawn);
12444 if (boards[currentMove][y][x] != EmptySquare) {
12445 DisplayMoveError(_("That square is occupied"));
12449 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12455 /* Accept a pending offer of any kind from opponent */
12457 if (appData.icsActive) {
12458 SendToICS(ics_prefix);
12459 SendToICS("accept\n");
12460 } else if (cmailMsgLoaded) {
12461 if (currentMove == cmailOldMove &&
12462 commentList[cmailOldMove] != NULL &&
12463 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12464 "Black offers a draw" : "White offers a draw")) {
12466 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12467 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12469 DisplayError(_("There is no pending offer on this move"), 0);
12470 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12473 /* Not used for offers from chess program */
12480 /* Decline a pending offer of any kind from opponent */
12482 if (appData.icsActive) {
12483 SendToICS(ics_prefix);
12484 SendToICS("decline\n");
12485 } else if (cmailMsgLoaded) {
12486 if (currentMove == cmailOldMove &&
12487 commentList[cmailOldMove] != NULL &&
12488 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12489 "Black offers a draw" : "White offers a draw")) {
12491 AppendComment(cmailOldMove, "Draw declined", TRUE);
12492 DisplayComment(cmailOldMove - 1, "Draw declined");
12495 DisplayError(_("There is no pending offer on this move"), 0);
12498 /* Not used for offers from chess program */
12505 /* Issue ICS rematch command */
12506 if (appData.icsActive) {
12507 SendToICS(ics_prefix);
12508 SendToICS("rematch\n");
12515 /* Call your opponent's flag (claim a win on time) */
12516 if (appData.icsActive) {
12517 SendToICS(ics_prefix);
12518 SendToICS("flag\n");
12520 switch (gameMode) {
12523 case MachinePlaysWhite:
12526 GameEnds(GameIsDrawn, "Both players ran out of time",
12529 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12531 DisplayError(_("Your opponent is not out of time"), 0);
12534 case MachinePlaysBlack:
12537 GameEnds(GameIsDrawn, "Both players ran out of time",
12540 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12542 DisplayError(_("Your opponent is not out of time"), 0);
12552 /* Offer draw or accept pending draw offer from opponent */
12554 if (appData.icsActive) {
12555 /* Note: tournament rules require draw offers to be
12556 made after you make your move but before you punch
12557 your clock. Currently ICS doesn't let you do that;
12558 instead, you immediately punch your clock after making
12559 a move, but you can offer a draw at any time. */
12561 SendToICS(ics_prefix);
12562 SendToICS("draw\n");
12563 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12564 } else if (cmailMsgLoaded) {
12565 if (currentMove == cmailOldMove &&
12566 commentList[cmailOldMove] != NULL &&
12567 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12568 "Black offers a draw" : "White offers a draw")) {
12569 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12570 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12571 } else if (currentMove == cmailOldMove + 1) {
12572 char *offer = WhiteOnMove(cmailOldMove) ?
12573 "White offers a draw" : "Black offers a draw";
12574 AppendComment(currentMove, offer, TRUE);
12575 DisplayComment(currentMove - 1, offer);
12576 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12578 DisplayError(_("You must make your move before offering a draw"), 0);
12579 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12581 } else if (first.offeredDraw) {
12582 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12584 if (first.sendDrawOffers) {
12585 SendToProgram("draw\n", &first);
12586 userOfferedDraw = TRUE;
12594 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12596 if (appData.icsActive) {
12597 SendToICS(ics_prefix);
12598 SendToICS("adjourn\n");
12600 /* Currently GNU Chess doesn't offer or accept Adjourns */
12608 /* Offer Abort or accept pending Abort offer from opponent */
12610 if (appData.icsActive) {
12611 SendToICS(ics_prefix);
12612 SendToICS("abort\n");
12614 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12621 /* Resign. You can do this even if it's not your turn. */
12623 if (appData.icsActive) {
12624 SendToICS(ics_prefix);
12625 SendToICS("resign\n");
12627 switch (gameMode) {
12628 case MachinePlaysWhite:
12629 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12631 case MachinePlaysBlack:
12632 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12635 if (cmailMsgLoaded) {
12637 if (WhiteOnMove(cmailOldMove)) {
12638 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12640 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12642 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12653 StopObservingEvent()
12655 /* Stop observing current games */
12656 SendToICS(ics_prefix);
12657 SendToICS("unobserve\n");
12661 StopExaminingEvent()
12663 /* Stop observing current game */
12664 SendToICS(ics_prefix);
12665 SendToICS("unexamine\n");
12669 ForwardInner(target)
12674 if (appData.debugMode)
12675 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12676 target, currentMove, forwardMostMove);
12678 if (gameMode == EditPosition)
12681 if (gameMode == PlayFromGameFile && !pausing)
12684 if (gameMode == IcsExamining && pausing)
12685 limit = pauseExamForwardMostMove;
12687 limit = forwardMostMove;
12689 if (target > limit) target = limit;
12691 if (target > 0 && moveList[target - 1][0]) {
12692 int fromX, fromY, toX, toY;
12693 toX = moveList[target - 1][2] - AAA;
12694 toY = moveList[target - 1][3] - ONE;
12695 if (moveList[target - 1][1] == '@') {
12696 if (appData.highlightLastMove) {
12697 SetHighlights(-1, -1, toX, toY);
12700 fromX = moveList[target - 1][0] - AAA;
12701 fromY = moveList[target - 1][1] - ONE;
12702 if (target == currentMove + 1) {
12703 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12705 if (appData.highlightLastMove) {
12706 SetHighlights(fromX, fromY, toX, toY);
12710 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12711 gameMode == Training || gameMode == PlayFromGameFile ||
12712 gameMode == AnalyzeFile) {
12713 while (currentMove < target) {
12714 SendMoveToProgram(currentMove++, &first);
12717 currentMove = target;
12720 if (gameMode == EditGame || gameMode == EndOfGame) {
12721 whiteTimeRemaining = timeRemaining[0][currentMove];
12722 blackTimeRemaining = timeRemaining[1][currentMove];
12724 DisplayBothClocks();
12725 DisplayMove(currentMove - 1);
12726 DrawPosition(FALSE, boards[currentMove]);
12727 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12728 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12729 DisplayComment(currentMove - 1, commentList[currentMove]);
12737 if (gameMode == IcsExamining && !pausing) {
12738 SendToICS(ics_prefix);
12739 SendToICS("forward\n");
12741 ForwardInner(currentMove + 1);
12748 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12749 /* to optimze, we temporarily turn off analysis mode while we feed
12750 * the remaining moves to the engine. Otherwise we get analysis output
12753 if (first.analysisSupport) {
12754 SendToProgram("exit\nforce\n", &first);
12755 first.analyzing = FALSE;
12759 if (gameMode == IcsExamining && !pausing) {
12760 SendToICS(ics_prefix);
12761 SendToICS("forward 999999\n");
12763 ForwardInner(forwardMostMove);
12766 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12767 /* we have fed all the moves, so reactivate analysis mode */
12768 SendToProgram("analyze\n", &first);
12769 first.analyzing = TRUE;
12770 /*first.maybeThinking = TRUE;*/
12771 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12776 BackwardInner(target)
12779 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12781 if (appData.debugMode)
12782 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12783 target, currentMove, forwardMostMove);
12785 if (gameMode == EditPosition) return;
12786 if (currentMove <= backwardMostMove) {
12788 DrawPosition(full_redraw, boards[currentMove]);
12791 if (gameMode == PlayFromGameFile && !pausing)
12794 if (moveList[target][0]) {
12795 int fromX, fromY, toX, toY;
12796 toX = moveList[target][2] - AAA;
12797 toY = moveList[target][3] - ONE;
12798 if (moveList[target][1] == '@') {
12799 if (appData.highlightLastMove) {
12800 SetHighlights(-1, -1, toX, toY);
12803 fromX = moveList[target][0] - AAA;
12804 fromY = moveList[target][1] - ONE;
12805 if (target == currentMove - 1) {
12806 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12808 if (appData.highlightLastMove) {
12809 SetHighlights(fromX, fromY, toX, toY);
12813 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12814 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12815 while (currentMove > target) {
12816 SendToProgram("undo\n", &first);
12820 currentMove = target;
12823 if (gameMode == EditGame || gameMode == EndOfGame) {
12824 whiteTimeRemaining = timeRemaining[0][currentMove];
12825 blackTimeRemaining = timeRemaining[1][currentMove];
12827 DisplayBothClocks();
12828 DisplayMove(currentMove - 1);
12829 DrawPosition(full_redraw, boards[currentMove]);
12830 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12831 // [HGM] PV info: routine tests if comment empty
12832 DisplayComment(currentMove - 1, commentList[currentMove]);
12838 if (gameMode == IcsExamining && !pausing) {
12839 SendToICS(ics_prefix);
12840 SendToICS("backward\n");
12842 BackwardInner(currentMove - 1);
12849 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12850 /* to optimize, we temporarily turn off analysis mode while we undo
12851 * all the moves. Otherwise we get analysis output after each undo.
12853 if (first.analysisSupport) {
12854 SendToProgram("exit\nforce\n", &first);
12855 first.analyzing = FALSE;
12859 if (gameMode == IcsExamining && !pausing) {
12860 SendToICS(ics_prefix);
12861 SendToICS("backward 999999\n");
12863 BackwardInner(backwardMostMove);
12866 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12867 /* we have fed all the moves, so reactivate analysis mode */
12868 SendToProgram("analyze\n", &first);
12869 first.analyzing = TRUE;
12870 /*first.maybeThinking = TRUE;*/
12871 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12878 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12879 if (to >= forwardMostMove) to = forwardMostMove;
12880 if (to <= backwardMostMove) to = backwardMostMove;
12881 if (to < currentMove) {
12889 RevertEvent(Boolean annotate)
12891 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12894 if (gameMode != IcsExamining) {
12895 DisplayError(_("You are not examining a game"), 0);
12899 DisplayError(_("You can't revert while pausing"), 0);
12902 SendToICS(ics_prefix);
12903 SendToICS("revert\n");
12909 switch (gameMode) {
12910 case MachinePlaysWhite:
12911 case MachinePlaysBlack:
12912 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12913 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12916 if (forwardMostMove < 2) return;
12917 currentMove = forwardMostMove = forwardMostMove - 2;
12918 whiteTimeRemaining = timeRemaining[0][currentMove];
12919 blackTimeRemaining = timeRemaining[1][currentMove];
12920 DisplayBothClocks();
12921 DisplayMove(currentMove - 1);
12922 ClearHighlights();/*!! could figure this out*/
12923 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12924 SendToProgram("remove\n", &first);
12925 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12928 case BeginningOfGame:
12932 case IcsPlayingWhite:
12933 case IcsPlayingBlack:
12934 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12935 SendToICS(ics_prefix);
12936 SendToICS("takeback 2\n");
12938 SendToICS(ics_prefix);
12939 SendToICS("takeback 1\n");
12948 ChessProgramState *cps;
12950 switch (gameMode) {
12951 case MachinePlaysWhite:
12952 if (!WhiteOnMove(forwardMostMove)) {
12953 DisplayError(_("It is your turn"), 0);
12958 case MachinePlaysBlack:
12959 if (WhiteOnMove(forwardMostMove)) {
12960 DisplayError(_("It is your turn"), 0);
12965 case TwoMachinesPlay:
12966 if (WhiteOnMove(forwardMostMove) ==
12967 (first.twoMachinesColor[0] == 'w')) {
12973 case BeginningOfGame:
12977 SendToProgram("?\n", cps);
12981 TruncateGameEvent()
12984 if (gameMode != EditGame) return;
12991 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12992 if (forwardMostMove > currentMove) {
12993 if (gameInfo.resultDetails != NULL) {
12994 free(gameInfo.resultDetails);
12995 gameInfo.resultDetails = NULL;
12996 gameInfo.result = GameUnfinished;
12998 forwardMostMove = currentMove;
12999 HistorySet(parseList, backwardMostMove, forwardMostMove,
13007 if (appData.noChessProgram) return;
13008 switch (gameMode) {
13009 case MachinePlaysWhite:
13010 if (WhiteOnMove(forwardMostMove)) {
13011 DisplayError(_("Wait until your turn"), 0);
13015 case BeginningOfGame:
13016 case MachinePlaysBlack:
13017 if (!WhiteOnMove(forwardMostMove)) {
13018 DisplayError(_("Wait until your turn"), 0);
13023 DisplayError(_("No hint available"), 0);
13026 SendToProgram("hint\n", &first);
13027 hintRequested = TRUE;
13033 if (appData.noChessProgram) return;
13034 switch (gameMode) {
13035 case MachinePlaysWhite:
13036 if (WhiteOnMove(forwardMostMove)) {
13037 DisplayError(_("Wait until your turn"), 0);
13041 case BeginningOfGame:
13042 case MachinePlaysBlack:
13043 if (!WhiteOnMove(forwardMostMove)) {
13044 DisplayError(_("Wait until your turn"), 0);
13049 EditPositionDone(TRUE);
13051 case TwoMachinesPlay:
13056 SendToProgram("bk\n", &first);
13057 bookOutput[0] = NULLCHAR;
13058 bookRequested = TRUE;
13064 char *tags = PGNTags(&gameInfo);
13065 TagsPopUp(tags, CmailMsg());
13069 /* end button procedures */
13072 PrintPosition(fp, move)
13078 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13079 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13080 char c = PieceToChar(boards[move][i][j]);
13081 fputc(c == 'x' ? '.' : c, fp);
13082 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13085 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13086 fprintf(fp, "white to play\n");
13088 fprintf(fp, "black to play\n");
13095 if (gameInfo.white != NULL) {
13096 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13102 /* Find last component of program's own name, using some heuristics */
13104 TidyProgramName(prog, host, buf)
13105 char *prog, *host, buf[MSG_SIZ];
13108 int local = (strcmp(host, "localhost") == 0);
13109 while (!local && (p = strchr(prog, ';')) != NULL) {
13111 while (*p == ' ') p++;
13114 if (*prog == '"' || *prog == '\'') {
13115 q = strchr(prog + 1, *prog);
13117 q = strchr(prog, ' ');
13119 if (q == NULL) q = prog + strlen(prog);
13121 while (p >= prog && *p != '/' && *p != '\\') p--;
13123 if(p == prog && *p == '"') p++;
13124 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13125 memcpy(buf, p, q - p);
13126 buf[q - p] = NULLCHAR;
13134 TimeControlTagValue()
13137 if (!appData.clockMode) {
13138 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13139 } else if (movesPerSession > 0) {
13140 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13141 } else if (timeIncrement == 0) {
13142 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13144 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13146 return StrSave(buf);
13152 /* This routine is used only for certain modes */
13153 VariantClass v = gameInfo.variant;
13154 ChessMove r = GameUnfinished;
13157 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13158 r = gameInfo.result;
13159 p = gameInfo.resultDetails;
13160 gameInfo.resultDetails = NULL;
13162 ClearGameInfo(&gameInfo);
13163 gameInfo.variant = v;
13165 switch (gameMode) {
13166 case MachinePlaysWhite:
13167 gameInfo.event = StrSave( appData.pgnEventHeader );
13168 gameInfo.site = StrSave(HostName());
13169 gameInfo.date = PGNDate();
13170 gameInfo.round = StrSave("-");
13171 gameInfo.white = StrSave(first.tidy);
13172 gameInfo.black = StrSave(UserName());
13173 gameInfo.timeControl = TimeControlTagValue();
13176 case MachinePlaysBlack:
13177 gameInfo.event = StrSave( appData.pgnEventHeader );
13178 gameInfo.site = StrSave(HostName());
13179 gameInfo.date = PGNDate();
13180 gameInfo.round = StrSave("-");
13181 gameInfo.white = StrSave(UserName());
13182 gameInfo.black = StrSave(first.tidy);
13183 gameInfo.timeControl = TimeControlTagValue();
13186 case TwoMachinesPlay:
13187 gameInfo.event = StrSave( appData.pgnEventHeader );
13188 gameInfo.site = StrSave(HostName());
13189 gameInfo.date = PGNDate();
13190 if (matchGame > 0) {
13192 snprintf(buf, MSG_SIZ, "%d", matchGame);
13193 gameInfo.round = StrSave(buf);
13195 gameInfo.round = StrSave("-");
13197 if (first.twoMachinesColor[0] == 'w') {
13198 gameInfo.white = StrSave(first.tidy);
13199 gameInfo.black = StrSave(second.tidy);
13201 gameInfo.white = StrSave(second.tidy);
13202 gameInfo.black = StrSave(first.tidy);
13204 gameInfo.timeControl = TimeControlTagValue();
13208 gameInfo.event = StrSave("Edited game");
13209 gameInfo.site = StrSave(HostName());
13210 gameInfo.date = PGNDate();
13211 gameInfo.round = StrSave("-");
13212 gameInfo.white = StrSave("-");
13213 gameInfo.black = StrSave("-");
13214 gameInfo.result = r;
13215 gameInfo.resultDetails = p;
13219 gameInfo.event = StrSave("Edited position");
13220 gameInfo.site = StrSave(HostName());
13221 gameInfo.date = PGNDate();
13222 gameInfo.round = StrSave("-");
13223 gameInfo.white = StrSave("-");
13224 gameInfo.black = StrSave("-");
13227 case IcsPlayingWhite:
13228 case IcsPlayingBlack:
13233 case PlayFromGameFile:
13234 gameInfo.event = StrSave("Game from non-PGN file");
13235 gameInfo.site = StrSave(HostName());
13236 gameInfo.date = PGNDate();
13237 gameInfo.round = StrSave("-");
13238 gameInfo.white = StrSave("?");
13239 gameInfo.black = StrSave("?");
13248 ReplaceComment(index, text)
13254 while (*text == '\n') text++;
13255 len = strlen(text);
13256 while (len > 0 && text[len - 1] == '\n') len--;
13258 if (commentList[index] != NULL)
13259 free(commentList[index]);
13262 commentList[index] = NULL;
13265 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13266 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13267 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13268 commentList[index] = (char *) malloc(len + 2);
13269 strncpy(commentList[index], text, len);
13270 commentList[index][len] = '\n';
13271 commentList[index][len + 1] = NULLCHAR;
13273 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13275 commentList[index] = (char *) malloc(len + 7);
13276 safeStrCpy(commentList[index], "{\n", 3);
13277 safeStrCpy(commentList[index]+2, text, len+1);
13278 commentList[index][len+2] = NULLCHAR;
13279 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13280 strcat(commentList[index], "\n}\n");
13294 if (ch == '\r') continue;
13296 } while (ch != '\0');
13300 AppendComment(index, text, addBraces)
13303 Boolean addBraces; // [HGM] braces: tells if we should add {}
13308 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13309 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13312 while (*text == '\n') text++;
13313 len = strlen(text);
13314 while (len > 0 && text[len - 1] == '\n') len--;
13316 if (len == 0) return;
13318 if (commentList[index] != NULL) {
13319 old = commentList[index];
13320 oldlen = strlen(old);
13321 while(commentList[index][oldlen-1] == '\n')
13322 commentList[index][--oldlen] = NULLCHAR;
13323 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13324 safeStrCpy(commentList[index], old, oldlen);
13326 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13327 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13328 if(addBraces) addBraces = FALSE; else { text++; len--; }
13329 while (*text == '\n') { text++; len--; }
13330 commentList[index][--oldlen] = NULLCHAR;
13332 if(addBraces) strcat(commentList[index], "\n{\n");
13333 else strcat(commentList[index], "\n");
13334 strcat(commentList[index], text);
13335 if(addBraces) strcat(commentList[index], "\n}\n");
13336 else strcat(commentList[index], "\n");
13338 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13340 safeStrCpy(commentList[index], "{\n", sizeof(commentList[index])/sizeof(commentList[index][0]));
13341 else commentList[index][0] = NULLCHAR;
13342 strcat(commentList[index], text);
13343 strcat(commentList[index], "\n");
13344 if(addBraces) strcat(commentList[index], "}\n");
13348 static char * FindStr( char * text, char * sub_text )
13350 char * result = strstr( text, sub_text );
13352 if( result != NULL ) {
13353 result += strlen( sub_text );
13359 /* [AS] Try to extract PV info from PGN comment */
13360 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13361 char *GetInfoFromComment( int index, char * text )
13365 if( text != NULL && index > 0 ) {
13368 int time = -1, sec = 0, deci;
13369 char * s_eval = FindStr( text, "[%eval " );
13370 char * s_emt = FindStr( text, "[%emt " );
13372 if( s_eval != NULL || s_emt != NULL ) {
13376 if( s_eval != NULL ) {
13377 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13381 if( delim != ']' ) {
13386 if( s_emt != NULL ) {
13391 /* We expect something like: [+|-]nnn.nn/dd */
13394 if(*text != '{') return text; // [HGM] braces: must be normal comment
13396 sep = strchr( text, '/' );
13397 if( sep == NULL || sep < (text+4) ) {
13401 time = -1; sec = -1; deci = -1;
13402 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13403 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13404 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13405 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13409 if( score_lo < 0 || score_lo >= 100 ) {
13413 if(sec >= 0) time = 600*time + 10*sec; else
13414 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13416 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13418 /* [HGM] PV time: now locate end of PV info */
13419 while( *++sep >= '0' && *sep <= '9'); // strip depth
13421 while( *++sep >= '0' && *sep <= '9'); // strip time
13423 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13425 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13426 while(*sep == ' ') sep++;
13437 pvInfoList[index-1].depth = depth;
13438 pvInfoList[index-1].score = score;
13439 pvInfoList[index-1].time = 10*time; // centi-sec
13440 if(*sep == '}') *sep = 0; else *--sep = '{';
13446 SendToProgram(message, cps)
13448 ChessProgramState *cps;
13450 int count, outCount, error;
13453 if (cps->pr == NULL) return;
13456 if (appData.debugMode) {
13459 fprintf(debugFP, "%ld >%-6s: %s",
13460 SubtractTimeMarks(&now, &programStartTime),
13461 cps->which, message);
13464 count = strlen(message);
13465 outCount = OutputToProcess(cps->pr, message, count, &error);
13466 if (outCount < count && !exiting
13467 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13468 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13469 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13470 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13471 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13472 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13474 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13476 gameInfo.resultDetails = StrSave(buf);
13478 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13483 ReceiveFromProgram(isr, closure, message, count, error)
13484 InputSourceRef isr;
13492 ChessProgramState *cps = (ChessProgramState *)closure;
13494 if (isr != cps->isr) return; /* Killed intentionally */
13497 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13498 cps->which, cps->program);
13499 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13500 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13501 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13502 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13504 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13506 gameInfo.resultDetails = StrSave(buf);
13508 RemoveInputSource(cps->isr);
13509 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13511 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13512 cps->which, cps->program);
13513 RemoveInputSource(cps->isr);
13515 /* [AS] Program is misbehaving badly... kill it */
13516 if( count == -2 ) {
13517 DestroyChildProcess( cps->pr, 9 );
13521 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13526 if ((end_str = strchr(message, '\r')) != NULL)
13527 *end_str = NULLCHAR;
13528 if ((end_str = strchr(message, '\n')) != NULL)
13529 *end_str = NULLCHAR;
13531 if (appData.debugMode) {
13532 TimeMark now; int print = 1;
13533 char *quote = ""; char c; int i;
13535 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13536 char start = message[0];
13537 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13538 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13539 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13540 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13541 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13542 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13543 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13544 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13545 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13546 print = (appData.engineComments >= 2);
13548 message[0] = start; // restore original message
13552 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13553 SubtractTimeMarks(&now, &programStartTime), cps->which,
13559 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13560 if (appData.icsEngineAnalyze) {
13561 if (strstr(message, "whisper") != NULL ||
13562 strstr(message, "kibitz") != NULL ||
13563 strstr(message, "tellics") != NULL) return;
13566 HandleMachineMove(message, cps);
13571 SendTimeControl(cps, mps, tc, inc, sd, st)
13572 ChessProgramState *cps;
13573 int mps, inc, sd, st;
13579 if( timeControl_2 > 0 ) {
13580 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13581 tc = timeControl_2;
13584 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13585 inc /= cps->timeOdds;
13586 st /= cps->timeOdds;
13588 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13591 /* Set exact time per move, normally using st command */
13592 if (cps->stKludge) {
13593 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13595 if (seconds == 0) {
13596 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13598 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13601 snprintf(buf, MSG_SIZ, "st %d\n", st);
13604 /* Set conventional or incremental time control, using level command */
13605 if (seconds == 0) {
13606 /* Note old gnuchess bug -- minutes:seconds used to not work.
13607 Fixed in later versions, but still avoid :seconds
13608 when seconds is 0. */
13609 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13611 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13612 seconds, inc/1000.);
13615 SendToProgram(buf, cps);
13617 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13618 /* Orthogonally, limit search to given depth */
13620 if (cps->sdKludge) {
13621 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13623 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13625 SendToProgram(buf, cps);
13628 if(cps->nps > 0) { /* [HGM] nps */
13629 if(cps->supportsNPS == FALSE)
13630 cps->nps = -1; // don't use if engine explicitly says not supported!
13632 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13633 SendToProgram(buf, cps);
13638 ChessProgramState *WhitePlayer()
13639 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13641 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13642 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13648 SendTimeRemaining(cps, machineWhite)
13649 ChessProgramState *cps;
13650 int /*boolean*/ machineWhite;
13652 char message[MSG_SIZ];
13655 /* Note: this routine must be called when the clocks are stopped
13656 or when they have *just* been set or switched; otherwise
13657 it will be off by the time since the current tick started.
13659 if (machineWhite) {
13660 time = whiteTimeRemaining / 10;
13661 otime = blackTimeRemaining / 10;
13663 time = blackTimeRemaining / 10;
13664 otime = whiteTimeRemaining / 10;
13666 /* [HGM] translate opponent's time by time-odds factor */
13667 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13668 if (appData.debugMode) {
13669 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13672 if (time <= 0) time = 1;
13673 if (otime <= 0) otime = 1;
13675 snprintf(message, MSG_SIZ, "time %ld\n", time);
13676 SendToProgram(message, cps);
13678 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13679 SendToProgram(message, cps);
13683 BoolFeature(p, name, loc, cps)
13687 ChessProgramState *cps;
13690 int len = strlen(name);
13693 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13695 sscanf(*p, "%d", &val);
13697 while (**p && **p != ' ')
13699 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13700 SendToProgram(buf, cps);
13707 IntFeature(p, name, loc, cps)
13711 ChessProgramState *cps;
13714 int len = strlen(name);
13715 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13717 sscanf(*p, "%d", loc);
13718 while (**p && **p != ' ') (*p)++;
13719 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13720 SendToProgram(buf, cps);
13727 StringFeature(p, name, loc, cps)
13731 ChessProgramState *cps;
13734 int len = strlen(name);
13735 if (strncmp((*p), name, len) == 0
13736 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13738 sscanf(*p, "%[^\"]", loc);
13739 while (**p && **p != '\"') (*p)++;
13740 if (**p == '\"') (*p)++;
13741 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13742 SendToProgram(buf, cps);
13749 ParseOption(Option *opt, ChessProgramState *cps)
13750 // [HGM] options: process the string that defines an engine option, and determine
13751 // name, type, default value, and allowed value range
13753 char *p, *q, buf[MSG_SIZ];
13754 int n, min = (-1)<<31, max = 1<<31, def;
13756 if(p = strstr(opt->name, " -spin ")) {
13757 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13758 if(max < min) max = min; // enforce consistency
13759 if(def < min) def = min;
13760 if(def > max) def = max;
13765 } else if((p = strstr(opt->name, " -slider "))) {
13766 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13767 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13768 if(max < min) max = min; // enforce consistency
13769 if(def < min) def = min;
13770 if(def > max) def = max;
13774 opt->type = Spin; // Slider;
13775 } else if((p = strstr(opt->name, " -string "))) {
13776 opt->textValue = p+9;
13777 opt->type = TextBox;
13778 } else if((p = strstr(opt->name, " -file "))) {
13779 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13780 opt->textValue = p+7;
13781 opt->type = TextBox; // FileName;
13782 } else if((p = strstr(opt->name, " -path "))) {
13783 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13784 opt->textValue = p+7;
13785 opt->type = TextBox; // PathName;
13786 } else if(p = strstr(opt->name, " -check ")) {
13787 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13788 opt->value = (def != 0);
13789 opt->type = CheckBox;
13790 } else if(p = strstr(opt->name, " -combo ")) {
13791 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13792 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13793 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13794 opt->value = n = 0;
13795 while(q = StrStr(q, " /// ")) {
13796 n++; *q = 0; // count choices, and null-terminate each of them
13798 if(*q == '*') { // remember default, which is marked with * prefix
13802 cps->comboList[cps->comboCnt++] = q;
13804 cps->comboList[cps->comboCnt++] = NULL;
13806 opt->type = ComboBox;
13807 } else if(p = strstr(opt->name, " -button")) {
13808 opt->type = Button;
13809 } else if(p = strstr(opt->name, " -save")) {
13810 opt->type = SaveButton;
13811 } else return FALSE;
13812 *p = 0; // terminate option name
13813 // now look if the command-line options define a setting for this engine option.
13814 if(cps->optionSettings && cps->optionSettings[0])
13815 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13816 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13817 snprintf(buf, MSG_SIZ, "option %s", p);
13818 if(p = strstr(buf, ",")) *p = 0;
13820 SendToProgram(buf, cps);
13826 FeatureDone(cps, val)
13827 ChessProgramState* cps;
13830 DelayedEventCallback cb = GetDelayedEvent();
13831 if ((cb == InitBackEnd3 && cps == &first) ||
13832 (cb == TwoMachinesEventIfReady && cps == &second)) {
13833 CancelDelayedEvent();
13834 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13836 cps->initDone = val;
13839 /* Parse feature command from engine */
13841 ParseFeatures(args, cps)
13843 ChessProgramState *cps;
13851 while (*p == ' ') p++;
13852 if (*p == NULLCHAR) return;
13854 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13855 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13856 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13857 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13858 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13859 if (BoolFeature(&p, "reuse", &val, cps)) {
13860 /* Engine can disable reuse, but can't enable it if user said no */
13861 if (!val) cps->reuse = FALSE;
13864 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13865 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13866 if (gameMode == TwoMachinesPlay) {
13867 DisplayTwoMachinesTitle();
13873 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13874 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13875 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13876 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13877 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13878 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13879 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13880 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13881 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13882 if (IntFeature(&p, "done", &val, cps)) {
13883 FeatureDone(cps, val);
13886 /* Added by Tord: */
13887 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13888 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13889 /* End of additions by Tord */
13891 /* [HGM] added features: */
13892 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13893 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13894 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13895 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13896 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13897 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13898 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13899 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13900 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13901 SendToProgram(buf, cps);
13904 if(cps->nrOptions >= MAX_OPTIONS) {
13906 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13907 DisplayError(buf, 0);
13911 /* End of additions by HGM */
13913 /* unknown feature: complain and skip */
13915 while (*q && *q != '=') q++;
13916 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13917 SendToProgram(buf, cps);
13923 while (*p && *p != '\"') p++;
13924 if (*p == '\"') p++;
13926 while (*p && *p != ' ') p++;
13934 PeriodicUpdatesEvent(newState)
13937 if (newState == appData.periodicUpdates)
13940 appData.periodicUpdates=newState;
13942 /* Display type changes, so update it now */
13943 // DisplayAnalysis();
13945 /* Get the ball rolling again... */
13947 AnalysisPeriodicEvent(1);
13948 StartAnalysisClock();
13953 PonderNextMoveEvent(newState)
13956 if (newState == appData.ponderNextMove) return;
13957 if (gameMode == EditPosition) EditPositionDone(TRUE);
13959 SendToProgram("hard\n", &first);
13960 if (gameMode == TwoMachinesPlay) {
13961 SendToProgram("hard\n", &second);
13964 SendToProgram("easy\n", &first);
13965 thinkOutput[0] = NULLCHAR;
13966 if (gameMode == TwoMachinesPlay) {
13967 SendToProgram("easy\n", &second);
13970 appData.ponderNextMove = newState;
13974 NewSettingEvent(option, feature, command, value)
13976 int option, value, *feature;
13980 if (gameMode == EditPosition) EditPositionDone(TRUE);
13981 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13982 if(feature == NULL || *feature) SendToProgram(buf, &first);
13983 if (gameMode == TwoMachinesPlay) {
13984 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13989 ShowThinkingEvent()
13990 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13992 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13993 int newState = appData.showThinking
13994 // [HGM] thinking: other features now need thinking output as well
13995 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13997 if (oldState == newState) return;
13998 oldState = newState;
13999 if (gameMode == EditPosition) EditPositionDone(TRUE);
14001 SendToProgram("post\n", &first);
14002 if (gameMode == TwoMachinesPlay) {
14003 SendToProgram("post\n", &second);
14006 SendToProgram("nopost\n", &first);
14007 thinkOutput[0] = NULLCHAR;
14008 if (gameMode == TwoMachinesPlay) {
14009 SendToProgram("nopost\n", &second);
14012 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14016 AskQuestionEvent(title, question, replyPrefix, which)
14017 char *title; char *question; char *replyPrefix; char *which;
14019 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14020 if (pr == NoProc) return;
14021 AskQuestion(title, question, replyPrefix, pr);
14025 DisplayMove(moveNumber)
14028 char message[MSG_SIZ];
14030 char cpThinkOutput[MSG_SIZ];
14032 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14034 if (moveNumber == forwardMostMove - 1 ||
14035 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14037 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14039 if (strchr(cpThinkOutput, '\n')) {
14040 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14043 *cpThinkOutput = NULLCHAR;
14046 /* [AS] Hide thinking from human user */
14047 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14048 *cpThinkOutput = NULLCHAR;
14049 if( thinkOutput[0] != NULLCHAR ) {
14052 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14053 cpThinkOutput[i] = '.';
14055 cpThinkOutput[i] = NULLCHAR;
14056 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14060 if (moveNumber == forwardMostMove - 1 &&
14061 gameInfo.resultDetails != NULL) {
14062 if (gameInfo.resultDetails[0] == NULLCHAR) {
14063 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14065 snprintf(res, MSG_SIZ, " {%s} %s",
14066 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14072 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14073 DisplayMessage(res, cpThinkOutput);
14075 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14076 WhiteOnMove(moveNumber) ? " " : ".. ",
14077 parseList[moveNumber], res);
14078 DisplayMessage(message, cpThinkOutput);
14083 DisplayComment(moveNumber, text)
14087 char title[MSG_SIZ];
14088 char buf[8000]; // comment can be long!
14091 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14092 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14094 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14095 WhiteOnMove(moveNumber) ? " " : ".. ",
14096 parseList[moveNumber]);
14098 // [HGM] PV info: display PV info together with (or as) comment
14099 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14100 if(text == NULL) text = "";
14101 score = pvInfoList[moveNumber].score;
14102 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14103 depth, (pvInfoList[moveNumber].time+50)/100, text);
14106 if (text != NULL && (appData.autoDisplayComment || commentUp))
14107 CommentPopUp(title, text);
14110 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14111 * might be busy thinking or pondering. It can be omitted if your
14112 * gnuchess is configured to stop thinking immediately on any user
14113 * input. However, that gnuchess feature depends on the FIONREAD
14114 * ioctl, which does not work properly on some flavors of Unix.
14118 ChessProgramState *cps;
14121 if (!cps->useSigint) return;
14122 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14123 switch (gameMode) {
14124 case MachinePlaysWhite:
14125 case MachinePlaysBlack:
14126 case TwoMachinesPlay:
14127 case IcsPlayingWhite:
14128 case IcsPlayingBlack:
14131 /* Skip if we know it isn't thinking */
14132 if (!cps->maybeThinking) return;
14133 if (appData.debugMode)
14134 fprintf(debugFP, "Interrupting %s\n", cps->which);
14135 InterruptChildProcess(cps->pr);
14136 cps->maybeThinking = FALSE;
14141 #endif /*ATTENTION*/
14147 if (whiteTimeRemaining <= 0) {
14150 if (appData.icsActive) {
14151 if (appData.autoCallFlag &&
14152 gameMode == IcsPlayingBlack && !blackFlag) {
14153 SendToICS(ics_prefix);
14154 SendToICS("flag\n");
14158 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14160 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14161 if (appData.autoCallFlag) {
14162 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14169 if (blackTimeRemaining <= 0) {
14172 if (appData.icsActive) {
14173 if (appData.autoCallFlag &&
14174 gameMode == IcsPlayingWhite && !whiteFlag) {
14175 SendToICS(ics_prefix);
14176 SendToICS("flag\n");
14180 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14182 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14183 if (appData.autoCallFlag) {
14184 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14197 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14198 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14201 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14203 if ( !WhiteOnMove(forwardMostMove) ) {
14204 /* White made time control */
14205 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14206 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14207 /* [HGM] time odds: correct new time quota for time odds! */
14208 / WhitePlayer()->timeOdds;
14209 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14211 lastBlack -= blackTimeRemaining;
14212 /* Black made time control */
14213 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14214 / WhitePlayer()->other->timeOdds;
14215 lastWhite = whiteTimeRemaining;
14220 DisplayBothClocks()
14222 int wom = gameMode == EditPosition ?
14223 !blackPlaysFirst : WhiteOnMove(currentMove);
14224 DisplayWhiteClock(whiteTimeRemaining, wom);
14225 DisplayBlackClock(blackTimeRemaining, !wom);
14229 /* Timekeeping seems to be a portability nightmare. I think everyone
14230 has ftime(), but I'm really not sure, so I'm including some ifdefs
14231 to use other calls if you don't. Clocks will be less accurate if
14232 you have neither ftime nor gettimeofday.
14235 /* VS 2008 requires the #include outside of the function */
14236 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14237 #include <sys/timeb.h>
14240 /* Get the current time as a TimeMark */
14245 #if HAVE_GETTIMEOFDAY
14247 struct timeval timeVal;
14248 struct timezone timeZone;
14250 gettimeofday(&timeVal, &timeZone);
14251 tm->sec = (long) timeVal.tv_sec;
14252 tm->ms = (int) (timeVal.tv_usec / 1000L);
14254 #else /*!HAVE_GETTIMEOFDAY*/
14257 // include <sys/timeb.h> / moved to just above start of function
14258 struct timeb timeB;
14261 tm->sec = (long) timeB.time;
14262 tm->ms = (int) timeB.millitm;
14264 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14265 tm->sec = (long) time(NULL);
14271 /* Return the difference in milliseconds between two
14272 time marks. We assume the difference will fit in a long!
14275 SubtractTimeMarks(tm2, tm1)
14276 TimeMark *tm2, *tm1;
14278 return 1000L*(tm2->sec - tm1->sec) +
14279 (long) (tm2->ms - tm1->ms);
14284 * Code to manage the game clocks.
14286 * In tournament play, black starts the clock and then white makes a move.
14287 * We give the human user a slight advantage if he is playing white---the
14288 * clocks don't run until he makes his first move, so it takes zero time.
14289 * Also, we don't account for network lag, so we could get out of sync
14290 * with GNU Chess's clock -- but then, referees are always right.
14293 static TimeMark tickStartTM;
14294 static long intendedTickLength;
14297 NextTickLength(timeRemaining)
14298 long timeRemaining;
14300 long nominalTickLength, nextTickLength;
14302 if (timeRemaining > 0L && timeRemaining <= 10000L)
14303 nominalTickLength = 100L;
14305 nominalTickLength = 1000L;
14306 nextTickLength = timeRemaining % nominalTickLength;
14307 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14309 return nextTickLength;
14312 /* Adjust clock one minute up or down */
14314 AdjustClock(Boolean which, int dir)
14316 if(which) blackTimeRemaining += 60000*dir;
14317 else whiteTimeRemaining += 60000*dir;
14318 DisplayBothClocks();
14321 /* Stop clocks and reset to a fresh time control */
14325 (void) StopClockTimer();
14326 if (appData.icsActive) {
14327 whiteTimeRemaining = blackTimeRemaining = 0;
14328 } else if (searchTime) {
14329 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14330 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14331 } else { /* [HGM] correct new time quote for time odds */
14332 whiteTC = blackTC = fullTimeControlString;
14333 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14334 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14336 if (whiteFlag || blackFlag) {
14338 whiteFlag = blackFlag = FALSE;
14340 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14341 DisplayBothClocks();
14344 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14346 /* Decrement running clock by amount of time that has passed */
14350 long timeRemaining;
14351 long lastTickLength, fudge;
14354 if (!appData.clockMode) return;
14355 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14359 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14361 /* Fudge if we woke up a little too soon */
14362 fudge = intendedTickLength - lastTickLength;
14363 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14365 if (WhiteOnMove(forwardMostMove)) {
14366 if(whiteNPS >= 0) lastTickLength = 0;
14367 timeRemaining = whiteTimeRemaining -= lastTickLength;
14368 if(timeRemaining < 0 && !appData.icsActive) {
14369 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14370 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14371 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14372 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14375 DisplayWhiteClock(whiteTimeRemaining - fudge,
14376 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14378 if(blackNPS >= 0) lastTickLength = 0;
14379 timeRemaining = blackTimeRemaining -= lastTickLength;
14380 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14381 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14383 blackStartMove = forwardMostMove;
14384 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14387 DisplayBlackClock(blackTimeRemaining - fudge,
14388 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14390 if (CheckFlags()) return;
14393 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14394 StartClockTimer(intendedTickLength);
14396 /* if the time remaining has fallen below the alarm threshold, sound the
14397 * alarm. if the alarm has sounded and (due to a takeback or time control
14398 * with increment) the time remaining has increased to a level above the
14399 * threshold, reset the alarm so it can sound again.
14402 if (appData.icsActive && appData.icsAlarm) {
14404 /* make sure we are dealing with the user's clock */
14405 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14406 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14409 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14410 alarmSounded = FALSE;
14411 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14413 alarmSounded = TRUE;
14419 /* A player has just moved, so stop the previously running
14420 clock and (if in clock mode) start the other one.
14421 We redisplay both clocks in case we're in ICS mode, because
14422 ICS gives us an update to both clocks after every move.
14423 Note that this routine is called *after* forwardMostMove
14424 is updated, so the last fractional tick must be subtracted
14425 from the color that is *not* on move now.
14428 SwitchClocks(int newMoveNr)
14430 long lastTickLength;
14432 int flagged = FALSE;
14436 if (StopClockTimer() && appData.clockMode) {
14437 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14438 if (!WhiteOnMove(forwardMostMove)) {
14439 if(blackNPS >= 0) lastTickLength = 0;
14440 blackTimeRemaining -= lastTickLength;
14441 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14442 // if(pvInfoList[forwardMostMove-1].time == -1)
14443 pvInfoList[forwardMostMove-1].time = // use GUI time
14444 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14446 if(whiteNPS >= 0) lastTickLength = 0;
14447 whiteTimeRemaining -= lastTickLength;
14448 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14449 // if(pvInfoList[forwardMostMove-1].time == -1)
14450 pvInfoList[forwardMostMove-1].time =
14451 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14453 flagged = CheckFlags();
14455 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14456 CheckTimeControl();
14458 if (flagged || !appData.clockMode) return;
14460 switch (gameMode) {
14461 case MachinePlaysBlack:
14462 case MachinePlaysWhite:
14463 case BeginningOfGame:
14464 if (pausing) return;
14468 case PlayFromGameFile:
14476 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14477 if(WhiteOnMove(forwardMostMove))
14478 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14479 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14483 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14484 whiteTimeRemaining : blackTimeRemaining);
14485 StartClockTimer(intendedTickLength);
14489 /* Stop both clocks */
14493 long lastTickLength;
14496 if (!StopClockTimer()) return;
14497 if (!appData.clockMode) return;
14501 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14502 if (WhiteOnMove(forwardMostMove)) {
14503 if(whiteNPS >= 0) lastTickLength = 0;
14504 whiteTimeRemaining -= lastTickLength;
14505 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14507 if(blackNPS >= 0) lastTickLength = 0;
14508 blackTimeRemaining -= lastTickLength;
14509 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14514 /* Start clock of player on move. Time may have been reset, so
14515 if clock is already running, stop and restart it. */
14519 (void) StopClockTimer(); /* in case it was running already */
14520 DisplayBothClocks();
14521 if (CheckFlags()) return;
14523 if (!appData.clockMode) return;
14524 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14526 GetTimeMark(&tickStartTM);
14527 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14528 whiteTimeRemaining : blackTimeRemaining);
14530 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14531 whiteNPS = blackNPS = -1;
14532 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14533 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14534 whiteNPS = first.nps;
14535 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14536 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14537 blackNPS = first.nps;
14538 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14539 whiteNPS = second.nps;
14540 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14541 blackNPS = second.nps;
14542 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14544 StartClockTimer(intendedTickLength);
14551 long second, minute, hour, day;
14553 static char buf[32];
14555 if (ms > 0 && ms <= 9900) {
14556 /* convert milliseconds to tenths, rounding up */
14557 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14559 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14563 /* convert milliseconds to seconds, rounding up */
14564 /* use floating point to avoid strangeness of integer division
14565 with negative dividends on many machines */
14566 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14573 day = second / (60 * 60 * 24);
14574 second = second % (60 * 60 * 24);
14575 hour = second / (60 * 60);
14576 second = second % (60 * 60);
14577 minute = second / 60;
14578 second = second % 60;
14581 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14582 sign, day, hour, minute, second);
14584 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14586 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14593 * This is necessary because some C libraries aren't ANSI C compliant yet.
14596 StrStr(string, match)
14597 char *string, *match;
14601 length = strlen(match);
14603 for (i = strlen(string) - length; i >= 0; i--, string++)
14604 if (!strncmp(match, string, length))
14611 StrCaseStr(string, match)
14612 char *string, *match;
14616 length = strlen(match);
14618 for (i = strlen(string) - length; i >= 0; i--, string++) {
14619 for (j = 0; j < length; j++) {
14620 if (ToLower(match[j]) != ToLower(string[j]))
14623 if (j == length) return string;
14637 c1 = ToLower(*s1++);
14638 c2 = ToLower(*s2++);
14639 if (c1 > c2) return 1;
14640 if (c1 < c2) return -1;
14641 if (c1 == NULLCHAR) return 0;
14650 return isupper(c) ? tolower(c) : c;
14658 return islower(c) ? toupper(c) : c;
14660 #endif /* !_amigados */
14668 if ((ret = (char *) malloc(strlen(s) + 1)))
14670 safeStrCpy(ret, s, strlen(s)+1);
14676 StrSavePtr(s, savePtr)
14677 char *s, **savePtr;
14682 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14683 safeStrCpy(*savePtr, s, strlen(s)+1);
14695 clock = time((time_t *)NULL);
14696 tm = localtime(&clock);
14697 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14698 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14699 return StrSave(buf);
14704 PositionToFEN(move, overrideCastling)
14706 char *overrideCastling;
14708 int i, j, fromX, fromY, toX, toY;
14715 whiteToPlay = (gameMode == EditPosition) ?
14716 !blackPlaysFirst : (move % 2 == 0);
14719 /* Piece placement data */
14720 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14722 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14723 if (boards[move][i][j] == EmptySquare) {
14725 } else { ChessSquare piece = boards[move][i][j];
14726 if (emptycount > 0) {
14727 if(emptycount<10) /* [HGM] can be >= 10 */
14728 *p++ = '0' + emptycount;
14729 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14732 if(PieceToChar(piece) == '+') {
14733 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14735 piece = (ChessSquare)(DEMOTED piece);
14737 *p++ = PieceToChar(piece);
14739 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14740 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14745 if (emptycount > 0) {
14746 if(emptycount<10) /* [HGM] can be >= 10 */
14747 *p++ = '0' + emptycount;
14748 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14755 /* [HGM] print Crazyhouse or Shogi holdings */
14756 if( gameInfo.holdingsWidth ) {
14757 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14759 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14760 piece = boards[move][i][BOARD_WIDTH-1];
14761 if( piece != EmptySquare )
14762 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14763 *p++ = PieceToChar(piece);
14765 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14766 piece = boards[move][BOARD_HEIGHT-i-1][0];
14767 if( piece != EmptySquare )
14768 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14769 *p++ = PieceToChar(piece);
14772 if( q == p ) *p++ = '-';
14778 *p++ = whiteToPlay ? 'w' : 'b';
14781 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14782 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14784 if(nrCastlingRights) {
14786 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14787 /* [HGM] write directly from rights */
14788 if(boards[move][CASTLING][2] != NoRights &&
14789 boards[move][CASTLING][0] != NoRights )
14790 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14791 if(boards[move][CASTLING][2] != NoRights &&
14792 boards[move][CASTLING][1] != NoRights )
14793 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14794 if(boards[move][CASTLING][5] != NoRights &&
14795 boards[move][CASTLING][3] != NoRights )
14796 *p++ = boards[move][CASTLING][3] + AAA;
14797 if(boards[move][CASTLING][5] != NoRights &&
14798 boards[move][CASTLING][4] != NoRights )
14799 *p++ = boards[move][CASTLING][4] + AAA;
14802 /* [HGM] write true castling rights */
14803 if( nrCastlingRights == 6 ) {
14804 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14805 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14806 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14807 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14808 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14809 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14810 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14811 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14814 if (q == p) *p++ = '-'; /* No castling rights */
14818 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14819 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14820 /* En passant target square */
14821 if (move > backwardMostMove) {
14822 fromX = moveList[move - 1][0] - AAA;
14823 fromY = moveList[move - 1][1] - ONE;
14824 toX = moveList[move - 1][2] - AAA;
14825 toY = moveList[move - 1][3] - ONE;
14826 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14827 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14828 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14830 /* 2-square pawn move just happened */
14832 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14836 } else if(move == backwardMostMove) {
14837 // [HGM] perhaps we should always do it like this, and forget the above?
14838 if((signed char)boards[move][EP_STATUS] >= 0) {
14839 *p++ = boards[move][EP_STATUS] + AAA;
14840 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14851 /* [HGM] find reversible plies */
14852 { int i = 0, j=move;
14854 if (appData.debugMode) { int k;
14855 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14856 for(k=backwardMostMove; k<=forwardMostMove; k++)
14857 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14861 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14862 if( j == backwardMostMove ) i += initialRulePlies;
14863 sprintf(p, "%d ", i);
14864 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14866 /* Fullmove number */
14867 sprintf(p, "%d", (move / 2) + 1);
14869 return StrSave(buf);
14873 ParseFEN(board, blackPlaysFirst, fen)
14875 int *blackPlaysFirst;
14885 /* [HGM] by default clear Crazyhouse holdings, if present */
14886 if(gameInfo.holdingsWidth) {
14887 for(i=0; i<BOARD_HEIGHT; i++) {
14888 board[i][0] = EmptySquare; /* black holdings */
14889 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14890 board[i][1] = (ChessSquare) 0; /* black counts */
14891 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14895 /* Piece placement data */
14896 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14899 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14900 if (*p == '/') p++;
14901 emptycount = gameInfo.boardWidth - j;
14902 while (emptycount--)
14903 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14905 #if(BOARD_FILES >= 10)
14906 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14907 p++; emptycount=10;
14908 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14909 while (emptycount--)
14910 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14912 } else if (isdigit(*p)) {
14913 emptycount = *p++ - '0';
14914 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14915 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14916 while (emptycount--)
14917 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14918 } else if (*p == '+' || isalpha(*p)) {
14919 if (j >= gameInfo.boardWidth) return FALSE;
14921 piece = CharToPiece(*++p);
14922 if(piece == EmptySquare) return FALSE; /* unknown piece */
14923 piece = (ChessSquare) (PROMOTED piece ); p++;
14924 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14925 } else piece = CharToPiece(*p++);
14927 if(piece==EmptySquare) return FALSE; /* unknown piece */
14928 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14929 piece = (ChessSquare) (PROMOTED piece);
14930 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14933 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14939 while (*p == '/' || *p == ' ') p++;
14941 /* [HGM] look for Crazyhouse holdings here */
14942 while(*p==' ') p++;
14943 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14945 if(*p == '-' ) p++; /* empty holdings */ else {
14946 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14947 /* if we would allow FEN reading to set board size, we would */
14948 /* have to add holdings and shift the board read so far here */
14949 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14951 if((int) piece >= (int) BlackPawn ) {
14952 i = (int)piece - (int)BlackPawn;
14953 i = PieceToNumber((ChessSquare)i);
14954 if( i >= gameInfo.holdingsSize ) return FALSE;
14955 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14956 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14958 i = (int)piece - (int)WhitePawn;
14959 i = PieceToNumber((ChessSquare)i);
14960 if( i >= gameInfo.holdingsSize ) return FALSE;
14961 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14962 board[i][BOARD_WIDTH-2]++; /* black holdings */
14969 while(*p == ' ') p++;
14973 if(appData.colorNickNames) {
14974 if( c == appData.colorNickNames[0] ) c = 'w'; else
14975 if( c == appData.colorNickNames[1] ) c = 'b';
14979 *blackPlaysFirst = FALSE;
14982 *blackPlaysFirst = TRUE;
14988 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14989 /* return the extra info in global variiables */
14991 /* set defaults in case FEN is incomplete */
14992 board[EP_STATUS] = EP_UNKNOWN;
14993 for(i=0; i<nrCastlingRights; i++ ) {
14994 board[CASTLING][i] =
14995 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14996 } /* assume possible unless obviously impossible */
14997 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14998 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14999 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15000 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15001 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15002 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15003 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15004 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15007 while(*p==' ') p++;
15008 if(nrCastlingRights) {
15009 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15010 /* castling indicator present, so default becomes no castlings */
15011 for(i=0; i<nrCastlingRights; i++ ) {
15012 board[CASTLING][i] = NoRights;
15015 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15016 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15017 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15018 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15019 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15021 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15022 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15023 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15025 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15026 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15027 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15028 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15029 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15030 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15033 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15034 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15035 board[CASTLING][2] = whiteKingFile;
15038 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15039 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15040 board[CASTLING][2] = whiteKingFile;
15043 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15044 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15045 board[CASTLING][5] = blackKingFile;
15048 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15049 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15050 board[CASTLING][5] = blackKingFile;
15053 default: /* FRC castlings */
15054 if(c >= 'a') { /* black rights */
15055 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15056 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15057 if(i == BOARD_RGHT) break;
15058 board[CASTLING][5] = i;
15060 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15061 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15063 board[CASTLING][3] = c;
15065 board[CASTLING][4] = c;
15066 } else { /* white rights */
15067 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15068 if(board[0][i] == WhiteKing) break;
15069 if(i == BOARD_RGHT) break;
15070 board[CASTLING][2] = i;
15071 c -= AAA - 'a' + 'A';
15072 if(board[0][c] >= WhiteKing) break;
15074 board[CASTLING][0] = c;
15076 board[CASTLING][1] = c;
15080 for(i=0; i<nrCastlingRights; i++)
15081 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15082 if (appData.debugMode) {
15083 fprintf(debugFP, "FEN castling rights:");
15084 for(i=0; i<nrCastlingRights; i++)
15085 fprintf(debugFP, " %d", board[CASTLING][i]);
15086 fprintf(debugFP, "\n");
15089 while(*p==' ') p++;
15092 /* read e.p. field in games that know e.p. capture */
15093 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15094 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15096 p++; board[EP_STATUS] = EP_NONE;
15098 char c = *p++ - AAA;
15100 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15101 if(*p >= '0' && *p <='9') p++;
15102 board[EP_STATUS] = c;
15107 if(sscanf(p, "%d", &i) == 1) {
15108 FENrulePlies = i; /* 50-move ply counter */
15109 /* (The move number is still ignored) */
15116 EditPositionPasteFEN(char *fen)
15119 Board initial_position;
15121 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15122 DisplayError(_("Bad FEN position in clipboard"), 0);
15125 int savedBlackPlaysFirst = blackPlaysFirst;
15126 EditPositionEvent();
15127 blackPlaysFirst = savedBlackPlaysFirst;
15128 CopyBoard(boards[0], initial_position);
15129 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15130 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15131 DisplayBothClocks();
15132 DrawPosition(FALSE, boards[currentMove]);
15137 static char cseq[12] = "\\ ";
15139 Boolean set_cont_sequence(char *new_seq)
15144 // handle bad attempts to set the sequence
15146 return 0; // acceptable error - no debug
15148 len = strlen(new_seq);
15149 ret = (len > 0) && (len < sizeof(cseq));
15151 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15152 else if (appData.debugMode)
15153 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15158 reformat a source message so words don't cross the width boundary. internal
15159 newlines are not removed. returns the wrapped size (no null character unless
15160 included in source message). If dest is NULL, only calculate the size required
15161 for the dest buffer. lp argument indicats line position upon entry, and it's
15162 passed back upon exit.
15164 int wrap(char *dest, char *src, int count, int width, int *lp)
15166 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15168 cseq_len = strlen(cseq);
15169 old_line = line = *lp;
15170 ansi = len = clen = 0;
15172 for (i=0; i < count; i++)
15174 if (src[i] == '\033')
15177 // if we hit the width, back up
15178 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15180 // store i & len in case the word is too long
15181 old_i = i, old_len = len;
15183 // find the end of the last word
15184 while (i && src[i] != ' ' && src[i] != '\n')
15190 // word too long? restore i & len before splitting it
15191 if ((old_i-i+clen) >= width)
15198 if (i && src[i-1] == ' ')
15201 if (src[i] != ' ' && src[i] != '\n')
15208 // now append the newline and continuation sequence
15213 strncpy(dest+len, cseq, cseq_len);
15221 dest[len] = src[i];
15225 if (src[i] == '\n')
15230 if (dest && appData.debugMode)
15232 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15233 count, width, line, len, *lp);
15234 show_bytes(debugFP, src, count);
15235 fprintf(debugFP, "\ndest: ");
15236 show_bytes(debugFP, dest, len);
15237 fprintf(debugFP, "\n");
15239 *lp = dest ? line : old_line;
15244 // [HGM] vari: routines for shelving variations
15247 PushTail(int firstMove, int lastMove)
15249 int i, j, nrMoves = lastMove - firstMove;
15251 if(appData.icsActive) { // only in local mode
15252 forwardMostMove = currentMove; // mimic old ICS behavior
15255 if(storedGames >= MAX_VARIATIONS-1) return;
15257 // push current tail of game on stack
15258 savedResult[storedGames] = gameInfo.result;
15259 savedDetails[storedGames] = gameInfo.resultDetails;
15260 gameInfo.resultDetails = NULL;
15261 savedFirst[storedGames] = firstMove;
15262 savedLast [storedGames] = lastMove;
15263 savedFramePtr[storedGames] = framePtr;
15264 framePtr -= nrMoves; // reserve space for the boards
15265 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15266 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15267 for(j=0; j<MOVE_LEN; j++)
15268 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15269 for(j=0; j<2*MOVE_LEN; j++)
15270 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15271 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15272 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15273 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15274 pvInfoList[firstMove+i-1].depth = 0;
15275 commentList[framePtr+i] = commentList[firstMove+i];
15276 commentList[firstMove+i] = NULL;
15280 forwardMostMove = firstMove; // truncate game so we can start variation
15281 if(storedGames == 1) GreyRevert(FALSE);
15285 PopTail(Boolean annotate)
15288 char buf[8000], moveBuf[20];
15290 if(appData.icsActive) return FALSE; // only in local mode
15291 if(!storedGames) return FALSE; // sanity
15292 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15295 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15296 nrMoves = savedLast[storedGames] - currentMove;
15299 if(!WhiteOnMove(currentMove))
15300 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15301 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15302 for(i=currentMove; i<forwardMostMove; i++) {
15304 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15305 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15306 strcat(buf, moveBuf);
15307 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15308 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15312 for(i=1; i<=nrMoves; i++) { // copy last variation back
15313 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15314 for(j=0; j<MOVE_LEN; j++)
15315 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15316 for(j=0; j<2*MOVE_LEN; j++)
15317 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15318 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15319 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15320 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15321 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15322 commentList[currentMove+i] = commentList[framePtr+i];
15323 commentList[framePtr+i] = NULL;
15325 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15326 framePtr = savedFramePtr[storedGames];
15327 gameInfo.result = savedResult[storedGames];
15328 if(gameInfo.resultDetails != NULL) {
15329 free(gameInfo.resultDetails);
15331 gameInfo.resultDetails = savedDetails[storedGames];
15332 forwardMostMove = currentMove + nrMoves;
15333 if(storedGames == 0) GreyRevert(TRUE);
15339 { // remove all shelved variations
15341 for(i=0; i<storedGames; i++) {
15342 if(savedDetails[i])
15343 free(savedDetails[i]);
15344 savedDetails[i] = NULL;
15346 for(i=framePtr; i<MAX_MOVES; i++) {
15347 if(commentList[i]) free(commentList[i]);
15348 commentList[i] = NULL;
15350 framePtr = MAX_MOVES-1;
15355 LoadVariation(int index, char *text)
15356 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15357 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15358 int level = 0, move;
15360 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15361 // first find outermost bracketing variation
15362 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15363 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15364 if(*p == '{') wait = '}'; else
15365 if(*p == '[') wait = ']'; else
15366 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15367 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15369 if(*p == wait) wait = NULLCHAR; // closing ]} found
15372 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15373 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15374 end[1] = NULLCHAR; // clip off comment beyond variation
15375 ToNrEvent(currentMove-1);
15376 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15377 // kludge: use ParsePV() to append variation to game
15378 move = currentMove;
15379 ParsePV(start, TRUE);
15380 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15381 ClearPremoveHighlights();
15383 ToNrEvent(currentMove+1);