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);
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 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4889 switch (*moveType) {
4890 case WhitePromotion:
4891 case BlackPromotion:
4892 case WhiteNonPromotion:
4893 case BlackNonPromotion:
4895 case WhiteCapturesEnPassant:
4896 case BlackCapturesEnPassant:
4897 case WhiteKingSideCastle:
4898 case WhiteQueenSideCastle:
4899 case BlackKingSideCastle:
4900 case BlackQueenSideCastle:
4901 case WhiteKingSideCastleWild:
4902 case WhiteQueenSideCastleWild:
4903 case BlackKingSideCastleWild:
4904 case BlackQueenSideCastleWild:
4905 /* Code added by Tord: */
4906 case WhiteHSideCastleFR:
4907 case WhiteASideCastleFR:
4908 case BlackHSideCastleFR:
4909 case BlackASideCastleFR:
4910 /* End of code added by Tord */
4911 case IllegalMove: /* bug or odd chess variant */
4912 *fromX = currentMoveString[0] - AAA;
4913 *fromY = currentMoveString[1] - ONE;
4914 *toX = currentMoveString[2] - AAA;
4915 *toY = currentMoveString[3] - ONE;
4916 *promoChar = currentMoveString[4];
4917 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4918 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4919 if (appData.debugMode) {
4920 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4922 *fromX = *fromY = *toX = *toY = 0;
4925 if (appData.testLegality) {
4926 return (*moveType != IllegalMove);
4928 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4929 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4934 *fromX = *moveType == WhiteDrop ?
4935 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4936 (int) CharToPiece(ToLower(currentMoveString[0]));
4938 *toX = currentMoveString[2] - AAA;
4939 *toY = currentMoveString[3] - ONE;
4940 *promoChar = NULLCHAR;
4944 case ImpossibleMove:
4954 if (appData.debugMode) {
4955 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4958 *fromX = *fromY = *toX = *toY = 0;
4959 *promoChar = NULLCHAR;
4966 ParsePV(char *pv, Boolean storeComments)
4967 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4968 int fromX, fromY, toX, toY; char promoChar;
4973 endPV = forwardMostMove;
4975 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4976 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4977 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4978 if(appData.debugMode){
4979 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);
4981 if(!valid && nr == 0 &&
4982 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4983 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4984 // Hande case where played move is different from leading PV move
4985 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4986 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4987 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4988 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4989 endPV += 2; // if position different, keep this
4990 moveList[endPV-1][0] = fromX + AAA;
4991 moveList[endPV-1][1] = fromY + ONE;
4992 moveList[endPV-1][2] = toX + AAA;
4993 moveList[endPV-1][3] = toY + ONE;
4994 parseList[endPV-1][0] = NULLCHAR;
4995 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4998 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4999 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5000 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5001 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5002 valid++; // allow comments in PV
5006 if(endPV+1 > framePtr) break; // no space, truncate
5009 CopyBoard(boards[endPV], boards[endPV-1]);
5010 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5011 moveList[endPV-1][0] = fromX + AAA;
5012 moveList[endPV-1][1] = fromY + ONE;
5013 moveList[endPV-1][2] = toX + AAA;
5014 moveList[endPV-1][3] = toY + ONE;
5016 CoordsToAlgebraic(boards[endPV - 1],
5017 PosFlags(endPV - 1),
5018 fromY, fromX, toY, toX, promoChar,
5019 parseList[endPV - 1]);
5021 parseList[endPV-1][0] = NULLCHAR;
5023 currentMove = endPV;
5024 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5025 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5026 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5027 DrawPosition(TRUE, boards[currentMove]);
5030 static int lastX, lastY;
5033 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5038 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5039 lastX = x; lastY = y;
5040 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5042 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5043 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5045 do{ while(buf[index] && buf[index] != '\n') index++;
5046 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5048 ParsePV(buf+startPV, FALSE);
5049 *start = startPV; *end = index-1;
5054 LoadPV(int x, int y)
5055 { // called on right mouse click to load PV
5056 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5057 lastX = x; lastY = y;
5058 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5065 if(endPV < 0) return;
5067 currentMove = forwardMostMove;
5068 ClearPremoveHighlights();
5069 DrawPosition(TRUE, boards[currentMove]);
5073 MovePV(int x, int y, int h)
5074 { // step through PV based on mouse coordinates (called on mouse move)
5075 int margin = h>>3, step = 0;
5077 if(endPV < 0) return;
5078 // we must somehow check if right button is still down (might be released off board!)
5079 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5080 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5081 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5083 lastX = x; lastY = y;
5084 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5085 currentMove += step;
5086 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5087 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5088 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5089 DrawPosition(FALSE, boards[currentMove]);
5093 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5094 // All positions will have equal probability, but the current method will not provide a unique
5095 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5101 int piecesLeft[(int)BlackPawn];
5102 int seed, nrOfShuffles;
5104 void GetPositionNumber()
5105 { // sets global variable seed
5108 seed = appData.defaultFrcPosition;
5109 if(seed < 0) { // randomize based on time for negative FRC position numbers
5110 for(i=0; i<50; i++) seed += random();
5111 seed = random() ^ random() >> 8 ^ random() << 8;
5112 if(seed<0) seed = -seed;
5116 int put(Board board, int pieceType, int rank, int n, int shade)
5117 // put the piece on the (n-1)-th empty squares of the given shade
5121 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5122 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5123 board[rank][i] = (ChessSquare) pieceType;
5124 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5126 piecesLeft[pieceType]--;
5134 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5135 // calculate where the next piece goes, (any empty square), and put it there
5139 i = seed % squaresLeft[shade];
5140 nrOfShuffles *= squaresLeft[shade];
5141 seed /= squaresLeft[shade];
5142 put(board, pieceType, rank, i, shade);
5145 void AddTwoPieces(Board board, int pieceType, int rank)
5146 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5148 int i, n=squaresLeft[ANY], j=n-1, k;
5150 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5151 i = seed % k; // pick one
5154 while(i >= j) i -= j--;
5155 j = n - 1 - j; i += j;
5156 put(board, pieceType, rank, j, ANY);
5157 put(board, pieceType, rank, i, ANY);
5160 void SetUpShuffle(Board board, int number)
5164 GetPositionNumber(); nrOfShuffles = 1;
5166 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5167 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5168 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5170 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5172 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5173 p = (int) board[0][i];
5174 if(p < (int) BlackPawn) piecesLeft[p] ++;
5175 board[0][i] = EmptySquare;
5178 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5179 // shuffles restricted to allow normal castling put KRR first
5180 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5181 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5182 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5183 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5184 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5185 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5186 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5187 put(board, WhiteRook, 0, 0, ANY);
5188 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5191 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5192 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5193 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5194 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5195 while(piecesLeft[p] >= 2) {
5196 AddOnePiece(board, p, 0, LITE);
5197 AddOnePiece(board, p, 0, DARK);
5199 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5202 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5203 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5204 // but we leave King and Rooks for last, to possibly obey FRC restriction
5205 if(p == (int)WhiteRook) continue;
5206 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5207 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5210 // now everything is placed, except perhaps King (Unicorn) and Rooks
5212 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5213 // Last King gets castling rights
5214 while(piecesLeft[(int)WhiteUnicorn]) {
5215 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5216 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5219 while(piecesLeft[(int)WhiteKing]) {
5220 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5221 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5226 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5227 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5230 // Only Rooks can be left; simply place them all
5231 while(piecesLeft[(int)WhiteRook]) {
5232 i = put(board, WhiteRook, 0, 0, ANY);
5233 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5236 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5238 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5241 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5242 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5245 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5248 int SetCharTable( char *table, const char * map )
5249 /* [HGM] moved here from winboard.c because of its general usefulness */
5250 /* Basically a safe strcpy that uses the last character as King */
5252 int result = FALSE; int NrPieces;
5254 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5255 && NrPieces >= 12 && !(NrPieces&1)) {
5256 int i; /* [HGM] Accept even length from 12 to 34 */
5258 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5259 for( i=0; i<NrPieces/2-1; i++ ) {
5261 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5263 table[(int) WhiteKing] = map[NrPieces/2-1];
5264 table[(int) BlackKing] = map[NrPieces-1];
5272 void Prelude(Board board)
5273 { // [HGM] superchess: random selection of exo-pieces
5274 int i, j, k; ChessSquare p;
5275 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5277 GetPositionNumber(); // use FRC position number
5279 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5280 SetCharTable(pieceToChar, appData.pieceToCharTable);
5281 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5282 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5285 j = seed%4; seed /= 4;
5286 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5287 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5288 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5289 j = seed%3 + (seed%3 >= j); seed /= 3;
5290 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5291 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5292 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5293 j = seed%3; seed /= 3;
5294 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5295 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5296 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5297 j = seed%2 + (seed%2 >= j); seed /= 2;
5298 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5299 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5300 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5301 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5302 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5303 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5304 put(board, exoPieces[0], 0, 0, ANY);
5305 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5309 InitPosition(redraw)
5312 ChessSquare (* pieces)[BOARD_FILES];
5313 int i, j, pawnRow, overrule,
5314 oldx = gameInfo.boardWidth,
5315 oldy = gameInfo.boardHeight,
5316 oldh = gameInfo.holdingsWidth,
5317 oldv = gameInfo.variant;
5319 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5321 /* [AS] Initialize pv info list [HGM] and game status */
5323 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5324 pvInfoList[i].depth = 0;
5325 boards[i][EP_STATUS] = EP_NONE;
5326 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5329 initialRulePlies = 0; /* 50-move counter start */
5331 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5332 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5336 /* [HGM] logic here is completely changed. In stead of full positions */
5337 /* the initialized data only consist of the two backranks. The switch */
5338 /* selects which one we will use, which is than copied to the Board */
5339 /* initialPosition, which for the rest is initialized by Pawns and */
5340 /* empty squares. This initial position is then copied to boards[0], */
5341 /* possibly after shuffling, so that it remains available. */
5343 gameInfo.holdingsWidth = 0; /* default board sizes */
5344 gameInfo.boardWidth = 8;
5345 gameInfo.boardHeight = 8;
5346 gameInfo.holdingsSize = 0;
5347 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5348 for(i=0; i<BOARD_FILES-2; i++)
5349 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5350 initialPosition[EP_STATUS] = EP_NONE;
5351 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5352 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5353 SetCharTable(pieceNickName, appData.pieceNickNames);
5354 else SetCharTable(pieceNickName, "............");
5356 switch (gameInfo.variant) {
5357 case VariantFischeRandom:
5358 shuffleOpenings = TRUE;
5362 case VariantShatranj:
5363 pieces = ShatranjArray;
5364 nrCastlingRights = 0;
5365 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5368 pieces = makrukArray;
5369 nrCastlingRights = 0;
5370 startedFromSetupPosition = TRUE;
5371 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5373 case VariantTwoKings:
5374 pieces = twoKingsArray;
5376 case VariantCapaRandom:
5377 shuffleOpenings = TRUE;
5378 case VariantCapablanca:
5379 pieces = CapablancaArray;
5380 gameInfo.boardWidth = 10;
5381 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5384 pieces = GothicArray;
5385 gameInfo.boardWidth = 10;
5386 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5389 pieces = JanusArray;
5390 gameInfo.boardWidth = 10;
5391 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5392 nrCastlingRights = 6;
5393 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5394 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5395 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5396 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5397 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5398 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5401 pieces = FalconArray;
5402 gameInfo.boardWidth = 10;
5403 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5405 case VariantXiangqi:
5406 pieces = XiangqiArray;
5407 gameInfo.boardWidth = 9;
5408 gameInfo.boardHeight = 10;
5409 nrCastlingRights = 0;
5410 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5413 pieces = ShogiArray;
5414 gameInfo.boardWidth = 9;
5415 gameInfo.boardHeight = 9;
5416 gameInfo.holdingsSize = 7;
5417 nrCastlingRights = 0;
5418 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5420 case VariantCourier:
5421 pieces = CourierArray;
5422 gameInfo.boardWidth = 12;
5423 nrCastlingRights = 0;
5424 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5426 case VariantKnightmate:
5427 pieces = KnightmateArray;
5428 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5431 pieces = fairyArray;
5432 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5435 pieces = GreatArray;
5436 gameInfo.boardWidth = 10;
5437 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5438 gameInfo.holdingsSize = 8;
5442 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5443 gameInfo.holdingsSize = 8;
5444 startedFromSetupPosition = TRUE;
5446 case VariantCrazyhouse:
5447 case VariantBughouse:
5449 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5450 gameInfo.holdingsSize = 5;
5452 case VariantWildCastle:
5454 /* !!?shuffle with kings guaranteed to be on d or e file */
5455 shuffleOpenings = 1;
5457 case VariantNoCastle:
5459 nrCastlingRights = 0;
5460 /* !!?unconstrained back-rank shuffle */
5461 shuffleOpenings = 1;
5466 if(appData.NrFiles >= 0) {
5467 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5468 gameInfo.boardWidth = appData.NrFiles;
5470 if(appData.NrRanks >= 0) {
5471 gameInfo.boardHeight = appData.NrRanks;
5473 if(appData.holdingsSize >= 0) {
5474 i = appData.holdingsSize;
5475 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5476 gameInfo.holdingsSize = i;
5478 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5479 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5480 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5482 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5483 if(pawnRow < 1) pawnRow = 1;
5484 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5486 /* User pieceToChar list overrules defaults */
5487 if(appData.pieceToCharTable != NULL)
5488 SetCharTable(pieceToChar, appData.pieceToCharTable);
5490 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5492 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5493 s = (ChessSquare) 0; /* account holding counts in guard band */
5494 for( i=0; i<BOARD_HEIGHT; i++ )
5495 initialPosition[i][j] = s;
5497 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5498 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5499 initialPosition[pawnRow][j] = WhitePawn;
5500 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5501 if(gameInfo.variant == VariantXiangqi) {
5503 initialPosition[pawnRow][j] =
5504 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5505 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5506 initialPosition[2][j] = WhiteCannon;
5507 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5511 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5513 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5516 initialPosition[1][j] = WhiteBishop;
5517 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5519 initialPosition[1][j] = WhiteRook;
5520 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5523 if( nrCastlingRights == -1) {
5524 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5525 /* This sets default castling rights from none to normal corners */
5526 /* Variants with other castling rights must set them themselves above */
5527 nrCastlingRights = 6;
5529 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5530 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5531 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5532 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5533 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5534 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5537 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5538 if(gameInfo.variant == VariantGreat) { // promotion commoners
5539 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5540 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5541 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5542 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5544 if (appData.debugMode) {
5545 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5547 if(shuffleOpenings) {
5548 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5549 startedFromSetupPosition = TRUE;
5551 if(startedFromPositionFile) {
5552 /* [HGM] loadPos: use PositionFile for every new game */
5553 CopyBoard(initialPosition, filePosition);
5554 for(i=0; i<nrCastlingRights; i++)
5555 initialRights[i] = filePosition[CASTLING][i];
5556 startedFromSetupPosition = TRUE;
5559 CopyBoard(boards[0], initialPosition);
5561 if(oldx != gameInfo.boardWidth ||
5562 oldy != gameInfo.boardHeight ||
5563 oldh != gameInfo.holdingsWidth
5565 || oldv == VariantGothic || // For licensing popups
5566 gameInfo.variant == VariantGothic
5569 || oldv == VariantFalcon ||
5570 gameInfo.variant == VariantFalcon
5573 InitDrawingSizes(-2 ,0);
5576 DrawPosition(TRUE, boards[currentMove]);
5580 SendBoard(cps, moveNum)
5581 ChessProgramState *cps;
5584 char message[MSG_SIZ];
5586 if (cps->useSetboard) {
5587 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5588 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5589 SendToProgram(message, cps);
5595 /* Kludge to set black to move, avoiding the troublesome and now
5596 * deprecated "black" command.
5598 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5599 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5601 SendToProgram("edit\n", cps);
5602 SendToProgram("#\n", cps);
5603 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5604 bp = &boards[moveNum][i][BOARD_LEFT];
5605 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5606 if ((int) *bp < (int) BlackPawn) {
5607 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5609 if(message[0] == '+' || message[0] == '~') {
5610 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5611 PieceToChar((ChessSquare)(DEMOTED *bp)),
5614 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5615 message[1] = BOARD_RGHT - 1 - j + '1';
5616 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5618 SendToProgram(message, cps);
5623 SendToProgram("c\n", cps);
5624 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5625 bp = &boards[moveNum][i][BOARD_LEFT];
5626 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5627 if (((int) *bp != (int) EmptySquare)
5628 && ((int) *bp >= (int) BlackPawn)) {
5629 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5631 if(message[0] == '+' || message[0] == '~') {
5632 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5633 PieceToChar((ChessSquare)(DEMOTED *bp)),
5636 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5637 message[1] = BOARD_RGHT - 1 - j + '1';
5638 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5640 SendToProgram(message, cps);
5645 SendToProgram(".\n", cps);
5647 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5650 static int autoQueen; // [HGM] oneclick
5653 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5655 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5656 /* [HGM] add Shogi promotions */
5657 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5662 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5663 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5665 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5666 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5669 piece = boards[currentMove][fromY][fromX];
5670 if(gameInfo.variant == VariantShogi) {
5671 promotionZoneSize = BOARD_HEIGHT/3;
5672 highestPromotingPiece = (int)WhiteFerz;
5673 } else if(gameInfo.variant == VariantMakruk) {
5674 promotionZoneSize = 3;
5677 // next weed out all moves that do not touch the promotion zone at all
5678 if((int)piece >= BlackPawn) {
5679 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5681 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5683 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5684 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5687 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5689 // weed out mandatory Shogi promotions
5690 if(gameInfo.variant == VariantShogi) {
5691 if(piece >= BlackPawn) {
5692 if(toY == 0 && piece == BlackPawn ||
5693 toY == 0 && piece == BlackQueen ||
5694 toY <= 1 && piece == BlackKnight) {
5699 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5700 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5701 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5708 // weed out obviously illegal Pawn moves
5709 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5710 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5711 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5712 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5713 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5714 // note we are not allowed to test for valid (non-)capture, due to premove
5717 // we either have a choice what to promote to, or (in Shogi) whether to promote
5718 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5719 *promoChoice = PieceToChar(BlackFerz); // no choice
5722 // no sense asking what we must promote to if it is going to explode...
5723 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5724 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5727 if(autoQueen) { // predetermined
5728 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5729 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5730 else *promoChoice = PieceToChar(BlackQueen);
5734 // suppress promotion popup on illegal moves that are not premoves
5735 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5736 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5737 if(appData.testLegality && !premove) {
5738 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5739 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5740 if(moveType != WhitePromotion && moveType != BlackPromotion)
5748 InPalace(row, column)
5750 { /* [HGM] for Xiangqi */
5751 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5752 column < (BOARD_WIDTH + 4)/2 &&
5753 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5758 PieceForSquare (x, y)
5762 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5765 return boards[currentMove][y][x];
5769 OKToStartUserMove(x, y)
5772 ChessSquare from_piece;
5775 if (matchMode) return FALSE;
5776 if (gameMode == EditPosition) return TRUE;
5778 if (x >= 0 && y >= 0)
5779 from_piece = boards[currentMove][y][x];
5781 from_piece = EmptySquare;
5783 if (from_piece == EmptySquare) return FALSE;
5785 white_piece = (int)from_piece >= (int)WhitePawn &&
5786 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5789 case PlayFromGameFile:
5791 case TwoMachinesPlay:
5799 case MachinePlaysWhite:
5800 case IcsPlayingBlack:
5801 if (appData.zippyPlay) return FALSE;
5803 DisplayMoveError(_("You are playing Black"));
5808 case MachinePlaysBlack:
5809 case IcsPlayingWhite:
5810 if (appData.zippyPlay) return FALSE;
5812 DisplayMoveError(_("You are playing White"));
5818 if (!white_piece && WhiteOnMove(currentMove)) {
5819 DisplayMoveError(_("It is White's turn"));
5822 if (white_piece && !WhiteOnMove(currentMove)) {
5823 DisplayMoveError(_("It is Black's turn"));
5826 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5827 /* Editing correspondence game history */
5828 /* Could disallow this or prompt for confirmation */
5833 case BeginningOfGame:
5834 if (appData.icsActive) return FALSE;
5835 if (!appData.noChessProgram) {
5837 DisplayMoveError(_("You are playing White"));
5844 if (!white_piece && WhiteOnMove(currentMove)) {
5845 DisplayMoveError(_("It is White's turn"));
5848 if (white_piece && !WhiteOnMove(currentMove)) {
5849 DisplayMoveError(_("It is Black's turn"));
5858 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5859 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5860 && gameMode != AnalyzeFile && gameMode != Training) {
5861 DisplayMoveError(_("Displayed position is not current"));
5868 OnlyMove(int *x, int *y, Boolean captures) {
5869 DisambiguateClosure cl;
5870 if (appData.zippyPlay) return FALSE;
5872 case MachinePlaysBlack:
5873 case IcsPlayingWhite:
5874 case BeginningOfGame:
5875 if(!WhiteOnMove(currentMove)) return FALSE;
5877 case MachinePlaysWhite:
5878 case IcsPlayingBlack:
5879 if(WhiteOnMove(currentMove)) return FALSE;
5886 cl.pieceIn = EmptySquare;
5891 cl.promoCharIn = NULLCHAR;
5892 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5893 if( cl.kind == NormalMove ||
5894 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5895 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5896 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5903 if(cl.kind != ImpossibleMove) return FALSE;
5904 cl.pieceIn = EmptySquare;
5909 cl.promoCharIn = NULLCHAR;
5910 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5911 if( cl.kind == NormalMove ||
5912 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5913 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5914 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5919 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5925 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5926 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5927 int lastLoadGameUseList = FALSE;
5928 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5929 ChessMove lastLoadGameStart = EndOfFile;
5932 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5933 int fromX, fromY, toX, toY;
5937 ChessSquare pdown, pup;
5939 /* Check if the user is playing in turn. This is complicated because we
5940 let the user "pick up" a piece before it is his turn. So the piece he
5941 tried to pick up may have been captured by the time he puts it down!
5942 Therefore we use the color the user is supposed to be playing in this
5943 test, not the color of the piece that is currently on the starting
5944 square---except in EditGame mode, where the user is playing both
5945 sides; fortunately there the capture race can't happen. (It can
5946 now happen in IcsExamining mode, but that's just too bad. The user
5947 will get a somewhat confusing message in that case.)
5951 case PlayFromGameFile:
5953 case TwoMachinesPlay:
5957 /* We switched into a game mode where moves are not accepted,
5958 perhaps while the mouse button was down. */
5961 case MachinePlaysWhite:
5962 /* User is moving for Black */
5963 if (WhiteOnMove(currentMove)) {
5964 DisplayMoveError(_("It is White's turn"));
5969 case MachinePlaysBlack:
5970 /* User is moving for White */
5971 if (!WhiteOnMove(currentMove)) {
5972 DisplayMoveError(_("It is Black's turn"));
5979 case BeginningOfGame:
5982 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5983 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5984 /* User is moving for Black */
5985 if (WhiteOnMove(currentMove)) {
5986 DisplayMoveError(_("It is White's turn"));
5990 /* User is moving for White */
5991 if (!WhiteOnMove(currentMove)) {
5992 DisplayMoveError(_("It is Black's turn"));
5998 case IcsPlayingBlack:
5999 /* User is moving for Black */
6000 if (WhiteOnMove(currentMove)) {
6001 if (!appData.premove) {
6002 DisplayMoveError(_("It is White's turn"));
6003 } else if (toX >= 0 && toY >= 0) {
6006 premoveFromX = fromX;
6007 premoveFromY = fromY;
6008 premovePromoChar = promoChar;
6010 if (appData.debugMode)
6011 fprintf(debugFP, "Got premove: fromX %d,"
6012 "fromY %d, toX %d, toY %d\n",
6013 fromX, fromY, toX, toY);
6019 case IcsPlayingWhite:
6020 /* User is moving for White */
6021 if (!WhiteOnMove(currentMove)) {
6022 if (!appData.premove) {
6023 DisplayMoveError(_("It is Black's turn"));
6024 } else if (toX >= 0 && toY >= 0) {
6027 premoveFromX = fromX;
6028 premoveFromY = fromY;
6029 premovePromoChar = promoChar;
6031 if (appData.debugMode)
6032 fprintf(debugFP, "Got premove: fromX %d,"
6033 "fromY %d, toX %d, toY %d\n",
6034 fromX, fromY, toX, toY);
6044 /* EditPosition, empty square, or different color piece;
6045 click-click move is possible */
6046 if (toX == -2 || toY == -2) {
6047 boards[0][fromY][fromX] = EmptySquare;
6048 DrawPosition(FALSE, boards[currentMove]);
6050 } else if (toX >= 0 && toY >= 0) {
6051 boards[0][toY][toX] = boards[0][fromY][fromX];
6052 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6053 if(boards[0][fromY][0] != EmptySquare) {
6054 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6055 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6058 if(fromX == BOARD_RGHT+1) {
6059 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6060 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6061 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6064 boards[0][fromY][fromX] = EmptySquare;
6065 DrawPosition(FALSE, boards[currentMove]);
6071 if(toX < 0 || toY < 0) return;
6072 pdown = boards[currentMove][fromY][fromX];
6073 pup = boards[currentMove][toY][toX];
6075 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6076 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6077 if( pup != EmptySquare ) return;
6078 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6079 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6080 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6081 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6082 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6083 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6084 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6088 /* [HGM] always test for legality, to get promotion info */
6089 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6090 fromY, fromX, toY, toX, promoChar);
6091 /* [HGM] but possibly ignore an IllegalMove result */
6092 if (appData.testLegality) {
6093 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6094 DisplayMoveError(_("Illegal move"));
6099 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6102 /* Common tail of UserMoveEvent and DropMenuEvent */
6104 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6106 int fromX, fromY, toX, toY;
6107 /*char*/int promoChar;
6111 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6112 // [HGM] superchess: suppress promotions to non-available piece
6113 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6114 if(WhiteOnMove(currentMove)) {
6115 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6117 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6121 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6122 move type in caller when we know the move is a legal promotion */
6123 if(moveType == NormalMove && promoChar)
6124 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6126 /* [HGM] <popupFix> The following if has been moved here from
6127 UserMoveEvent(). Because it seemed to belong here (why not allow
6128 piece drops in training games?), and because it can only be
6129 performed after it is known to what we promote. */
6130 if (gameMode == Training) {
6131 /* compare the move played on the board to the next move in the
6132 * game. If they match, display the move and the opponent's response.
6133 * If they don't match, display an error message.
6137 CopyBoard(testBoard, boards[currentMove]);
6138 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6140 if (CompareBoards(testBoard, boards[currentMove+1])) {
6141 ForwardInner(currentMove+1);
6143 /* Autoplay the opponent's response.
6144 * if appData.animate was TRUE when Training mode was entered,
6145 * the response will be animated.
6147 saveAnimate = appData.animate;
6148 appData.animate = animateTraining;
6149 ForwardInner(currentMove+1);
6150 appData.animate = saveAnimate;
6152 /* check for the end of the game */
6153 if (currentMove >= forwardMostMove) {
6154 gameMode = PlayFromGameFile;
6156 SetTrainingModeOff();
6157 DisplayInformation(_("End of game"));
6160 DisplayError(_("Incorrect move"), 0);
6165 /* Ok, now we know that the move is good, so we can kill
6166 the previous line in Analysis Mode */
6167 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6168 && currentMove < forwardMostMove) {
6169 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6170 else forwardMostMove = currentMove;
6173 /* If we need the chess program but it's dead, restart it */
6174 ResurrectChessProgram();
6176 /* A user move restarts a paused game*/
6180 thinkOutput[0] = NULLCHAR;
6182 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6184 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6186 if (gameMode == BeginningOfGame) {
6187 if (appData.noChessProgram) {
6188 gameMode = EditGame;
6192 gameMode = MachinePlaysBlack;
6195 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6197 if (first.sendName) {
6198 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6199 SendToProgram(buf, &first);
6206 /* Relay move to ICS or chess engine */
6207 if (appData.icsActive) {
6208 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6209 gameMode == IcsExamining) {
6210 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6211 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6213 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6215 // also send plain move, in case ICS does not understand atomic claims
6216 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6220 if (first.sendTime && (gameMode == BeginningOfGame ||
6221 gameMode == MachinePlaysWhite ||
6222 gameMode == MachinePlaysBlack)) {
6223 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6225 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6226 // [HGM] book: if program might be playing, let it use book
6227 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6228 first.maybeThinking = TRUE;
6229 } else SendMoveToProgram(forwardMostMove-1, &first);
6230 if (currentMove == cmailOldMove + 1) {
6231 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6235 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6239 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6245 if (WhiteOnMove(currentMove)) {
6246 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6248 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6252 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6257 case MachinePlaysBlack:
6258 case MachinePlaysWhite:
6259 /* disable certain menu options while machine is thinking */
6260 SetMachineThinkingEnables();
6267 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6269 if(bookHit) { // [HGM] book: simulate book reply
6270 static char bookMove[MSG_SIZ]; // a bit generous?
6272 programStats.nodes = programStats.depth = programStats.time =
6273 programStats.score = programStats.got_only_move = 0;
6274 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6276 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6277 strcat(bookMove, bookHit);
6278 HandleMachineMove(bookMove, &first);
6284 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6291 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6292 Markers *m = (Markers *) closure;
6293 if(rf == fromY && ff == fromX)
6294 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6295 || kind == WhiteCapturesEnPassant
6296 || kind == BlackCapturesEnPassant);
6297 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6301 MarkTargetSquares(int clear)
6304 if(!appData.markers || !appData.highlightDragging ||
6305 !appData.testLegality || gameMode == EditPosition) return;
6307 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6310 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6311 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6312 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6314 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6317 DrawPosition(TRUE, NULL);
6321 Explode(Board board, int fromX, int fromY, int toX, int toY)
6323 if(gameInfo.variant == VariantAtomic &&
6324 (board[toY][toX] != EmptySquare || // capture?
6325 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6326 board[fromY][fromX] == BlackPawn )
6328 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6334 void LeftClick(ClickType clickType, int xPix, int yPix)
6337 Boolean saveAnimate;
6338 static int second = 0, promotionChoice = 0, dragging = 0;
6339 char promoChoice = NULLCHAR;
6341 if(appData.seekGraph && appData.icsActive && loggedOn &&
6342 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6343 SeekGraphClick(clickType, xPix, yPix, 0);
6347 if (clickType == Press) ErrorPopDown();
6348 MarkTargetSquares(1);
6350 x = EventToSquare(xPix, BOARD_WIDTH);
6351 y = EventToSquare(yPix, BOARD_HEIGHT);
6352 if (!flipView && y >= 0) {
6353 y = BOARD_HEIGHT - 1 - y;
6355 if (flipView && x >= 0) {
6356 x = BOARD_WIDTH - 1 - x;
6359 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6360 if(clickType == Release) return; // ignore upclick of click-click destination
6361 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6362 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6363 if(gameInfo.holdingsWidth &&
6364 (WhiteOnMove(currentMove)
6365 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6366 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6367 // click in right holdings, for determining promotion piece
6368 ChessSquare p = boards[currentMove][y][x];
6369 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6370 if(p != EmptySquare) {
6371 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6376 DrawPosition(FALSE, boards[currentMove]);
6380 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6381 if(clickType == Press
6382 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6383 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6384 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6387 autoQueen = appData.alwaysPromoteToQueen;
6390 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6391 if (clickType == Press) {
6393 if (OKToStartUserMove(x, y)) {
6397 MarkTargetSquares(0);
6398 DragPieceBegin(xPix, yPix); dragging = 1;
6399 if (appData.highlightDragging) {
6400 SetHighlights(x, y, -1, -1);
6403 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6404 DragPieceEnd(xPix, yPix); dragging = 0;
6405 DrawPosition(FALSE, NULL);
6412 if (clickType == Press && gameMode != EditPosition) {
6417 // ignore off-board to clicks
6418 if(y < 0 || x < 0) return;
6420 /* Check if clicking again on the same color piece */
6421 fromP = boards[currentMove][fromY][fromX];
6422 toP = boards[currentMove][y][x];
6423 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6424 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6425 WhitePawn <= toP && toP <= WhiteKing &&
6426 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6427 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6428 (BlackPawn <= fromP && fromP <= BlackKing &&
6429 BlackPawn <= toP && toP <= BlackKing &&
6430 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6431 !(fromP == BlackKing && toP == BlackRook && frc))) {
6432 /* Clicked again on same color piece -- changed his mind */
6433 second = (x == fromX && y == fromY);
6434 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6435 if (appData.highlightDragging) {
6436 SetHighlights(x, y, -1, -1);
6440 if (OKToStartUserMove(x, y)) {
6442 fromY = y; dragging = 1;
6443 MarkTargetSquares(0);
6444 DragPieceBegin(xPix, yPix);
6449 // ignore clicks on holdings
6450 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6453 if (clickType == Release && x == fromX && y == fromY) {
6454 DragPieceEnd(xPix, yPix); dragging = 0;
6455 if (appData.animateDragging) {
6456 /* Undo animation damage if any */
6457 DrawPosition(FALSE, NULL);
6460 /* Second up/down in same square; just abort move */
6465 ClearPremoveHighlights();
6467 /* First upclick in same square; start click-click mode */
6468 SetHighlights(x, y, -1, -1);
6473 /* we now have a different from- and (possibly off-board) to-square */
6474 /* Completed move */
6477 saveAnimate = appData.animate;
6478 if (clickType == Press) {
6479 /* Finish clickclick move */
6480 if (appData.animate || appData.highlightLastMove) {
6481 SetHighlights(fromX, fromY, toX, toY);
6486 /* Finish drag move */
6487 if (appData.highlightLastMove) {
6488 SetHighlights(fromX, fromY, toX, toY);
6492 DragPieceEnd(xPix, yPix); dragging = 0;
6493 /* Don't animate move and drag both */
6494 appData.animate = FALSE;
6497 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6498 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6499 ChessSquare piece = boards[currentMove][fromY][fromX];
6500 if(gameMode == EditPosition && piece != EmptySquare &&
6501 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6504 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6505 n = PieceToNumber(piece - (int)BlackPawn);
6506 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6507 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6508 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6510 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6511 n = PieceToNumber(piece);
6512 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6513 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6514 boards[currentMove][n][BOARD_WIDTH-2]++;
6516 boards[currentMove][fromY][fromX] = EmptySquare;
6520 DrawPosition(TRUE, boards[currentMove]);
6524 // off-board moves should not be highlighted
6525 if(x < 0 || x < 0) ClearHighlights();
6527 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6528 SetHighlights(fromX, fromY, toX, toY);
6529 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6530 // [HGM] super: promotion to captured piece selected from holdings
6531 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6532 promotionChoice = TRUE;
6533 // kludge follows to temporarily execute move on display, without promoting yet
6534 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6535 boards[currentMove][toY][toX] = p;
6536 DrawPosition(FALSE, boards[currentMove]);
6537 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6538 boards[currentMove][toY][toX] = q;
6539 DisplayMessage("Click in holdings to choose piece", "");
6544 int oldMove = currentMove;
6545 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6546 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6547 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6548 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6549 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6550 DrawPosition(TRUE, boards[currentMove]);
6553 appData.animate = saveAnimate;
6554 if (appData.animate || appData.animateDragging) {
6555 /* Undo animation damage if needed */
6556 DrawPosition(FALSE, NULL);
6560 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6561 { // front-end-free part taken out of PieceMenuPopup
6562 int whichMenu; int xSqr, ySqr;
6564 if(seekGraphUp) { // [HGM] seekgraph
6565 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6566 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6570 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6571 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6572 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6573 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6574 if(action == Press) {
6575 originalFlip = flipView;
6576 flipView = !flipView; // temporarily flip board to see game from partners perspective
6577 DrawPosition(TRUE, partnerBoard);
6578 DisplayMessage(partnerStatus, "");
6580 } else if(action == Release) {
6581 flipView = originalFlip;
6582 DrawPosition(TRUE, boards[currentMove]);
6588 xSqr = EventToSquare(x, BOARD_WIDTH);
6589 ySqr = EventToSquare(y, BOARD_HEIGHT);
6590 if (action == Release) UnLoadPV(); // [HGM] pv
6591 if (action != Press) return -2; // return code to be ignored
6594 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6596 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6597 if (xSqr < 0 || ySqr < 0) return -1;
\r
6598 whichMenu = 0; // edit-position menu
6601 if(!appData.icsEngineAnalyze) return -1;
6602 case IcsPlayingWhite:
6603 case IcsPlayingBlack:
6604 if(!appData.zippyPlay) goto noZip;
6607 case MachinePlaysWhite:
6608 case MachinePlaysBlack:
6609 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6610 if (!appData.dropMenu) {
6612 return 2; // flag front-end to grab mouse events
6614 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6615 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6618 if (xSqr < 0 || ySqr < 0) return -1;
6619 if (!appData.dropMenu || appData.testLegality &&
6620 gameInfo.variant != VariantBughouse &&
6621 gameInfo.variant != VariantCrazyhouse) return -1;
6622 whichMenu = 1; // drop menu
6628 if (((*fromX = xSqr) < 0) ||
6629 ((*fromY = ySqr) < 0)) {
6630 *fromX = *fromY = -1;
6634 *fromX = BOARD_WIDTH - 1 - *fromX;
6636 *fromY = BOARD_HEIGHT - 1 - *fromY;
6641 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6643 // char * hint = lastHint;
6644 FrontEndProgramStats stats;
6646 stats.which = cps == &first ? 0 : 1;
6647 stats.depth = cpstats->depth;
6648 stats.nodes = cpstats->nodes;
6649 stats.score = cpstats->score;
6650 stats.time = cpstats->time;
6651 stats.pv = cpstats->movelist;
6652 stats.hint = lastHint;
6653 stats.an_move_index = 0;
6654 stats.an_move_count = 0;
6656 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6657 stats.hint = cpstats->move_name;
6658 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6659 stats.an_move_count = cpstats->nr_moves;
6662 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
6664 SetProgramStats( &stats );
6668 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6669 { // count all piece types
6671 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6672 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6673 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6676 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6677 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6678 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6679 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6680 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6681 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6686 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6688 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6689 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6691 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6692 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6693 if(myPawns == 2 && nMine == 3) // KPP
6694 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6695 if(myPawns == 1 && nMine == 2) // KP
6696 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6697 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6698 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6699 if(myPawns) return FALSE;
6700 if(pCnt[WhiteRook+side])
6701 return pCnt[BlackRook-side] ||
6702 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6703 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6704 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6705 if(pCnt[WhiteCannon+side]) {
6706 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6707 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6709 if(pCnt[WhiteKnight+side])
6710 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6715 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6717 VariantClass v = gameInfo.variant;
6719 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6720 if(v == VariantShatranj) return TRUE; // always winnable through baring
6721 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6722 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6724 if(v == VariantXiangqi) {
6725 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6727 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6728 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6729 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6730 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6731 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6732 if(stale) // we have at least one last-rank P plus perhaps C
6733 return majors // KPKX
6734 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6736 return pCnt[WhiteFerz+side] // KCAK
6737 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6738 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6739 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6741 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6742 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6744 if(nMine == 1) return FALSE; // bare King
6745 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
6746 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6747 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6748 // by now we have King + 1 piece (or multiple Bishops on the same color)
6749 if(pCnt[WhiteKnight+side])
6750 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6751 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6752 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6754 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6755 if(pCnt[WhiteAlfil+side])
6756 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6757 if(pCnt[WhiteWazir+side])
6758 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6765 Adjudicate(ChessProgramState *cps)
6766 { // [HGM] some adjudications useful with buggy engines
6767 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6768 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6769 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6770 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6771 int k, count = 0; static int bare = 1;
6772 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6773 Boolean canAdjudicate = !appData.icsActive;
6775 // most tests only when we understand the game, i.e. legality-checking on
6776 if( appData.testLegality )
6777 { /* [HGM] Some more adjudications for obstinate engines */
6778 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6779 static int moveCount = 6;
6781 char *reason = NULL;
6783 /* Count what is on board. */
6784 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6786 /* Some material-based adjudications that have to be made before stalemate test */
6787 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6788 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6789 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6790 if(canAdjudicate && appData.checkMates) {
6792 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6793 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6794 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6795 "Xboard adjudication: King destroyed", GE_XBOARD );
6800 /* Bare King in Shatranj (loses) or Losers (wins) */
6801 if( nrW == 1 || nrB == 1) {
6802 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6803 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6804 if(canAdjudicate && appData.checkMates) {
6806 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6807 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6808 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6809 "Xboard adjudication: Bare king", GE_XBOARD );
6813 if( gameInfo.variant == VariantShatranj && --bare < 0)
6815 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6816 if(canAdjudicate && appData.checkMates) {
6817 /* but only adjudicate if adjudication enabled */
6819 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6820 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6821 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6822 "Xboard adjudication: Bare king", GE_XBOARD );
6829 // don't wait for engine to announce game end if we can judge ourselves
6830 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6832 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6833 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6834 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6835 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6838 reason = "Xboard adjudication: 3rd check";
6839 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6849 reason = "Xboard adjudication: Stalemate";
6850 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6851 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6852 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6853 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6854 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6855 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6856 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6857 EP_CHECKMATE : EP_WINS);
6858 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6859 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6863 reason = "Xboard adjudication: Checkmate";
6864 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6868 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6870 result = GameIsDrawn; break;
6872 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6874 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6878 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6880 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6881 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6882 GameEnds( result, reason, GE_XBOARD );
6886 /* Next absolutely insufficient mating material. */
6887 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6888 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6889 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6891 /* always flag draws, for judging claims */
6892 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6894 if(canAdjudicate && appData.materialDraws) {
6895 /* but only adjudicate them if adjudication enabled */
6896 if(engineOpponent) {
6897 SendToProgram("force\n", engineOpponent); // suppress reply
6898 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6900 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6901 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6906 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6907 if(gameInfo.variant == VariantXiangqi ?
6908 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6910 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6911 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6912 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6913 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6915 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6916 { /* if the first 3 moves do not show a tactical win, declare draw */
6917 if(engineOpponent) {
6918 SendToProgram("force\n", engineOpponent); // suppress reply
6919 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6921 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6922 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6925 } else moveCount = 6;
6927 if (appData.debugMode) { int i;
6928 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6929 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6930 appData.drawRepeats);
6931 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6932 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6936 // Repetition draws and 50-move rule can be applied independently of legality testing
6938 /* Check for rep-draws */
6940 for(k = forwardMostMove-2;
6941 k>=backwardMostMove && k>=forwardMostMove-100 &&
6942 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6943 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6946 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6947 /* compare castling rights */
6948 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6949 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6950 rights++; /* King lost rights, while rook still had them */
6951 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6952 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6953 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6954 rights++; /* but at least one rook lost them */
6956 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6957 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6959 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6960 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6961 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6964 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6965 && appData.drawRepeats > 1) {
6966 /* adjudicate after user-specified nr of repeats */
6967 int result = GameIsDrawn;
6968 char *details = "XBoard adjudication: repetition draw";
6969 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6970 // [HGM] xiangqi: check for forbidden perpetuals
6971 int m, ourPerpetual = 1, hisPerpetual = 1;
6972 for(m=forwardMostMove; m>k; m-=2) {
6973 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6974 ourPerpetual = 0; // the current mover did not always check
6975 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6976 hisPerpetual = 0; // the opponent did not always check
6978 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6979 ourPerpetual, hisPerpetual);
6980 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6981 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6982 details = "Xboard adjudication: perpetual checking";
6984 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6985 break; // (or we would have caught him before). Abort repetition-checking loop.
6987 // Now check for perpetual chases
6988 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6989 hisPerpetual = PerpetualChase(k, forwardMostMove);
6990 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6991 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6992 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6993 details = "Xboard adjudication: perpetual chasing";
6995 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6996 break; // Abort repetition-checking loop.
6998 // if neither of us is checking or chasing all the time, or both are, it is draw
7000 if(engineOpponent) {
7001 SendToProgram("force\n", engineOpponent); // suppress reply
7002 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7004 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7005 GameEnds( result, details, GE_XBOARD );
7008 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7009 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7013 /* Now we test for 50-move draws. Determine ply count */
7014 count = forwardMostMove;
7015 /* look for last irreversble move */
7016 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7018 /* if we hit starting position, add initial plies */
7019 if( count == backwardMostMove )
7020 count -= initialRulePlies;
7021 count = forwardMostMove - count;
7022 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7023 // adjust reversible move counter for checks in Xiangqi
7024 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7025 if(i < backwardMostMove) i = backwardMostMove;
7026 while(i <= forwardMostMove) {
7027 lastCheck = inCheck; // check evasion does not count
7028 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7029 if(inCheck || lastCheck) count--; // check does not count
7034 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7035 /* this is used to judge if draw claims are legal */
7036 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7037 if(engineOpponent) {
7038 SendToProgram("force\n", engineOpponent); // suppress reply
7039 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7041 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7042 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7046 /* if draw offer is pending, treat it as a draw claim
7047 * when draw condition present, to allow engines a way to
7048 * claim draws before making their move to avoid a race
7049 * condition occurring after their move
7051 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7053 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7054 p = "Draw claim: 50-move rule";
7055 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7056 p = "Draw claim: 3-fold repetition";
7057 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7058 p = "Draw claim: insufficient mating material";
7059 if( p != NULL && canAdjudicate) {
7060 if(engineOpponent) {
7061 SendToProgram("force\n", engineOpponent); // suppress reply
7062 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7064 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7065 GameEnds( GameIsDrawn, p, GE_XBOARD );
7070 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7071 if(engineOpponent) {
7072 SendToProgram("force\n", engineOpponent); // suppress reply
7073 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7075 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7076 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7082 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7083 { // [HGM] book: this routine intercepts moves to simulate book replies
7084 char *bookHit = NULL;
7086 //first determine if the incoming move brings opponent into his book
7087 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7088 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7089 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7090 if(bookHit != NULL && !cps->bookSuspend) {
7091 // make sure opponent is not going to reply after receiving move to book position
7092 SendToProgram("force\n", cps);
7093 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7095 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7096 // now arrange restart after book miss
7098 // after a book hit we never send 'go', and the code after the call to this routine
7099 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7101 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7102 SendToProgram(buf, cps);
7103 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7104 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7105 SendToProgram("go\n", cps);
7106 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7107 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7108 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7109 SendToProgram("go\n", cps);
7110 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7112 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7116 ChessProgramState *savedState;
7117 void DeferredBookMove(void)
7119 if(savedState->lastPing != savedState->lastPong)
7120 ScheduleDelayedEvent(DeferredBookMove, 10);
7122 HandleMachineMove(savedMessage, savedState);
7126 HandleMachineMove(message, cps)
7128 ChessProgramState *cps;
7130 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7131 char realname[MSG_SIZ];
7132 int fromX, fromY, toX, toY;
7141 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7143 * Kludge to ignore BEL characters
7145 while (*message == '\007') message++;
7148 * [HGM] engine debug message: ignore lines starting with '#' character
7150 if(cps->debug && *message == '#') return;
7153 * Look for book output
7155 if (cps == &first && bookRequested) {
7156 if (message[0] == '\t' || message[0] == ' ') {
7157 /* Part of the book output is here; append it */
7158 strcat(bookOutput, message);
7159 strcat(bookOutput, " \n");
7161 } else if (bookOutput[0] != NULLCHAR) {
7162 /* All of book output has arrived; display it */
7163 char *p = bookOutput;
7164 while (*p != NULLCHAR) {
7165 if (*p == '\t') *p = ' ';
7168 DisplayInformation(bookOutput);
7169 bookRequested = FALSE;
7170 /* Fall through to parse the current output */
7175 * Look for machine move.
7177 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7178 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7180 /* This method is only useful on engines that support ping */
7181 if (cps->lastPing != cps->lastPong) {
7182 if (gameMode == BeginningOfGame) {
7183 /* Extra move from before last new; ignore */
7184 if (appData.debugMode) {
7185 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7188 if (appData.debugMode) {
7189 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7190 cps->which, gameMode);
7193 SendToProgram("undo\n", cps);
7199 case BeginningOfGame:
7200 /* Extra move from before last reset; ignore */
7201 if (appData.debugMode) {
7202 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7209 /* Extra move after we tried to stop. The mode test is
7210 not a reliable way of detecting this problem, but it's
7211 the best we can do on engines that don't support ping.
7213 if (appData.debugMode) {
7214 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7215 cps->which, gameMode);
7217 SendToProgram("undo\n", cps);
7220 case MachinePlaysWhite:
7221 case IcsPlayingWhite:
7222 machineWhite = TRUE;
7225 case MachinePlaysBlack:
7226 case IcsPlayingBlack:
7227 machineWhite = FALSE;
7230 case TwoMachinesPlay:
7231 machineWhite = (cps->twoMachinesColor[0] == 'w');
7234 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7235 if (appData.debugMode) {
7237 "Ignoring move out of turn by %s, gameMode %d"
7238 ", forwardMost %d\n",
7239 cps->which, gameMode, forwardMostMove);
7244 if (appData.debugMode) { int f = forwardMostMove;
7245 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7246 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7247 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7249 if(cps->alphaRank) AlphaRank(machineMove, 4);
7250 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7251 &fromX, &fromY, &toX, &toY, &promoChar)) {
7252 /* Machine move could not be parsed; ignore it. */
7253 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7254 machineMove, cps->which);
7255 DisplayError(buf1, 0);
7256 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7257 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7258 if (gameMode == TwoMachinesPlay) {
7259 GameEnds(machineWhite ? BlackWins : WhiteWins,
7265 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7266 /* So we have to redo legality test with true e.p. status here, */
7267 /* to make sure an illegal e.p. capture does not slip through, */
7268 /* to cause a forfeit on a justified illegal-move complaint */
7269 /* of the opponent. */
7270 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7272 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7273 fromY, fromX, toY, toX, promoChar);
7274 if (appData.debugMode) {
7276 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7277 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7278 fprintf(debugFP, "castling rights\n");
7280 if(moveType == IllegalMove) {
7281 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7282 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7283 GameEnds(machineWhite ? BlackWins : WhiteWins,
7286 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7287 /* [HGM] Kludge to handle engines that send FRC-style castling
7288 when they shouldn't (like TSCP-Gothic) */
7290 case WhiteASideCastleFR:
7291 case BlackASideCastleFR:
7293 currentMoveString[2]++;
7295 case WhiteHSideCastleFR:
7296 case BlackHSideCastleFR:
7298 currentMoveString[2]--;
7300 default: ; // nothing to do, but suppresses warning of pedantic compilers
7303 hintRequested = FALSE;
7304 lastHint[0] = NULLCHAR;
7305 bookRequested = FALSE;
7306 /* Program may be pondering now */
7307 cps->maybeThinking = TRUE;
7308 if (cps->sendTime == 2) cps->sendTime = 1;
7309 if (cps->offeredDraw) cps->offeredDraw--;
7311 /* currentMoveString is set as a side-effect of ParseOneMove */
7312 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7313 strcat(machineMove, "\n");
7314 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7316 /* [AS] Save move info*/
7317 pvInfoList[ forwardMostMove ].score = programStats.score;
7318 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7319 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7321 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7323 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7324 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7327 while( count < adjudicateLossPlies ) {
7328 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7331 score = -score; /* Flip score for winning side */
7334 if( score > adjudicateLossThreshold ) {
7341 if( count >= adjudicateLossPlies ) {
7342 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7344 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7345 "Xboard adjudication",
7352 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7355 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7357 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7358 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7360 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7362 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7364 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7365 char buf[3*MSG_SIZ];
7367 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7368 programStats.score / 100.,
7370 programStats.time / 100.,
7371 (unsigned int)programStats.nodes,
7372 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7373 programStats.movelist);
7375 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7380 /* [AS] Clear stats for next move */
7381 ClearProgramStats();
7382 thinkOutput[0] = NULLCHAR;
7383 hiddenThinkOutputState = 0;
7386 if (gameMode == TwoMachinesPlay) {
7387 /* [HGM] relaying draw offers moved to after reception of move */
7388 /* and interpreting offer as claim if it brings draw condition */
7389 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7390 SendToProgram("draw\n", cps->other);
7392 if (cps->other->sendTime) {
7393 SendTimeRemaining(cps->other,
7394 cps->other->twoMachinesColor[0] == 'w');
7396 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7397 if (firstMove && !bookHit) {
7399 if (cps->other->useColors) {
7400 SendToProgram(cps->other->twoMachinesColor, cps->other);
7402 SendToProgram("go\n", cps->other);
7404 cps->other->maybeThinking = TRUE;
7407 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7409 if (!pausing && appData.ringBellAfterMoves) {
7414 * Reenable menu items that were disabled while
7415 * machine was thinking
7417 if (gameMode != TwoMachinesPlay)
7418 SetUserThinkingEnables();
7420 // [HGM] book: after book hit opponent has received move and is now in force mode
7421 // force the book reply into it, and then fake that it outputted this move by jumping
7422 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7424 static char bookMove[MSG_SIZ]; // a bit generous?
7426 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7427 strcat(bookMove, bookHit);
7430 programStats.nodes = programStats.depth = programStats.time =
7431 programStats.score = programStats.got_only_move = 0;
7432 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7434 if(cps->lastPing != cps->lastPong) {
7435 savedMessage = message; // args for deferred call
7437 ScheduleDelayedEvent(DeferredBookMove, 10);
7446 /* Set special modes for chess engines. Later something general
7447 * could be added here; for now there is just one kludge feature,
7448 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7449 * when "xboard" is given as an interactive command.
7451 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7452 cps->useSigint = FALSE;
7453 cps->useSigterm = FALSE;
7455 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7456 ParseFeatures(message+8, cps);
7457 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7460 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7461 int dummy, s=6; char buf[MSG_SIZ];
7462 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7463 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7464 ParseFEN(boards[0], &dummy, message+s);
7465 DrawPosition(TRUE, boards[0]);
7466 startedFromSetupPosition = TRUE;
7469 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7470 * want this, I was asked to put it in, and obliged.
7472 if (!strncmp(message, "setboard ", 9)) {
7473 Board initial_position;
7475 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7477 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7478 DisplayError(_("Bad FEN received from engine"), 0);
7482 CopyBoard(boards[0], initial_position);
7483 initialRulePlies = FENrulePlies;
7484 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7485 else gameMode = MachinePlaysBlack;
7486 DrawPosition(FALSE, boards[currentMove]);
7492 * Look for communication commands
7494 if (!strncmp(message, "telluser ", 9)) {
7495 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7496 DisplayNote(message + 9);
7499 if (!strncmp(message, "tellusererror ", 14)) {
7501 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7502 DisplayError(message + 14, 0);
7505 if (!strncmp(message, "tellopponent ", 13)) {
7506 if (appData.icsActive) {
7508 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7512 DisplayNote(message + 13);
7516 if (!strncmp(message, "tellothers ", 11)) {
7517 if (appData.icsActive) {
7519 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7525 if (!strncmp(message, "tellall ", 8)) {
7526 if (appData.icsActive) {
7528 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7532 DisplayNote(message + 8);
7536 if (strncmp(message, "warning", 7) == 0) {
7537 /* Undocumented feature, use tellusererror in new code */
7538 DisplayError(message, 0);
7541 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7542 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7543 strcat(realname, " query");
7544 AskQuestion(realname, buf2, buf1, cps->pr);
7547 /* Commands from the engine directly to ICS. We don't allow these to be
7548 * sent until we are logged on. Crafty kibitzes have been known to
7549 * interfere with the login process.
7552 if (!strncmp(message, "tellics ", 8)) {
7553 SendToICS(message + 8);
7557 if (!strncmp(message, "tellicsnoalias ", 15)) {
7558 SendToICS(ics_prefix);
7559 SendToICS(message + 15);
7563 /* The following are for backward compatibility only */
7564 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7565 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7566 SendToICS(ics_prefix);
7572 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7576 * If the move is illegal, cancel it and redraw the board.
7577 * Also deal with other error cases. Matching is rather loose
7578 * here to accommodate engines written before the spec.
7580 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7581 strncmp(message, "Error", 5) == 0) {
7582 if (StrStr(message, "name") ||
7583 StrStr(message, "rating") || StrStr(message, "?") ||
7584 StrStr(message, "result") || StrStr(message, "board") ||
7585 StrStr(message, "bk") || StrStr(message, "computer") ||
7586 StrStr(message, "variant") || StrStr(message, "hint") ||
7587 StrStr(message, "random") || StrStr(message, "depth") ||
7588 StrStr(message, "accepted")) {
7591 if (StrStr(message, "protover")) {
7592 /* Program is responding to input, so it's apparently done
7593 initializing, and this error message indicates it is
7594 protocol version 1. So we don't need to wait any longer
7595 for it to initialize and send feature commands. */
7596 FeatureDone(cps, 1);
7597 cps->protocolVersion = 1;
7600 cps->maybeThinking = FALSE;
7602 if (StrStr(message, "draw")) {
7603 /* Program doesn't have "draw" command */
7604 cps->sendDrawOffers = 0;
7607 if (cps->sendTime != 1 &&
7608 (StrStr(message, "time") || StrStr(message, "otim"))) {
7609 /* Program apparently doesn't have "time" or "otim" command */
7613 if (StrStr(message, "analyze")) {
7614 cps->analysisSupport = FALSE;
7615 cps->analyzing = FALSE;
7617 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7618 DisplayError(buf2, 0);
7621 if (StrStr(message, "(no matching move)st")) {
7622 /* Special kludge for GNU Chess 4 only */
7623 cps->stKludge = TRUE;
7624 SendTimeControl(cps, movesPerSession, timeControl,
7625 timeIncrement, appData.searchDepth,
7629 if (StrStr(message, "(no matching move)sd")) {
7630 /* Special kludge for GNU Chess 4 only */
7631 cps->sdKludge = TRUE;
7632 SendTimeControl(cps, movesPerSession, timeControl,
7633 timeIncrement, appData.searchDepth,
7637 if (!StrStr(message, "llegal")) {
7640 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7641 gameMode == IcsIdle) return;
7642 if (forwardMostMove <= backwardMostMove) return;
7643 if (pausing) PauseEvent();
7644 if(appData.forceIllegal) {
7645 // [HGM] illegal: machine refused move; force position after move into it
7646 SendToProgram("force\n", cps);
7647 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7648 // we have a real problem now, as SendBoard will use the a2a3 kludge
7649 // when black is to move, while there might be nothing on a2 or black
7650 // might already have the move. So send the board as if white has the move.
7651 // But first we must change the stm of the engine, as it refused the last move
7652 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7653 if(WhiteOnMove(forwardMostMove)) {
7654 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7655 SendBoard(cps, forwardMostMove); // kludgeless board
7657 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7658 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7659 SendBoard(cps, forwardMostMove+1); // kludgeless board
7661 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7662 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7663 gameMode == TwoMachinesPlay)
7664 SendToProgram("go\n", cps);
7667 if (gameMode == PlayFromGameFile) {
7668 /* Stop reading this game file */
7669 gameMode = EditGame;
7672 currentMove = forwardMostMove-1;
7673 DisplayMove(currentMove-1); /* before DisplayMoveError */
7674 SwitchClocks(forwardMostMove-1); // [HGM] race
7675 DisplayBothClocks();
7676 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7677 parseList[currentMove], cps->which);
7678 DisplayMoveError(buf1);
7679 DrawPosition(FALSE, boards[currentMove]);
7681 /* [HGM] illegal-move claim should forfeit game when Xboard */
7682 /* only passes fully legal moves */
7683 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7684 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7685 "False illegal-move claim", GE_XBOARD );
7689 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7690 /* Program has a broken "time" command that
7691 outputs a string not ending in newline.
7697 * If chess program startup fails, exit with an error message.
7698 * Attempts to recover here are futile.
7700 if ((StrStr(message, "unknown host") != NULL)
7701 || (StrStr(message, "No remote directory") != NULL)
7702 || (StrStr(message, "not found") != NULL)
7703 || (StrStr(message, "No such file") != NULL)
7704 || (StrStr(message, "can't alloc") != NULL)
7705 || (StrStr(message, "Permission denied") != NULL)) {
7707 cps->maybeThinking = FALSE;
7708 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7709 cps->which, cps->program, cps->host, message);
7710 RemoveInputSource(cps->isr);
7711 DisplayFatalError(buf1, 0, 1);
7716 * Look for hint output
7718 if (sscanf(message, "Hint: %s", buf1) == 1) {
7719 if (cps == &first && hintRequested) {
7720 hintRequested = FALSE;
7721 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7722 &fromX, &fromY, &toX, &toY, &promoChar)) {
7723 (void) CoordsToAlgebraic(boards[forwardMostMove],
7724 PosFlags(forwardMostMove),
7725 fromY, fromX, toY, toX, promoChar, buf1);
7726 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7727 DisplayInformation(buf2);
7729 /* Hint move could not be parsed!? */
7730 snprintf(buf2, sizeof(buf2),
7731 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7733 DisplayError(buf2, 0);
7736 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7742 * Ignore other messages if game is not in progress
7744 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7745 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7748 * look for win, lose, draw, or draw offer
7750 if (strncmp(message, "1-0", 3) == 0) {
7751 char *p, *q, *r = "";
7752 p = strchr(message, '{');
7760 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7762 } else if (strncmp(message, "0-1", 3) == 0) {
7763 char *p, *q, *r = "";
7764 p = strchr(message, '{');
7772 /* Kludge for Arasan 4.1 bug */
7773 if (strcmp(r, "Black resigns") == 0) {
7774 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7777 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7779 } else if (strncmp(message, "1/2", 3) == 0) {
7780 char *p, *q, *r = "";
7781 p = strchr(message, '{');
7790 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7793 } else if (strncmp(message, "White resign", 12) == 0) {
7794 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7796 } else if (strncmp(message, "Black resign", 12) == 0) {
7797 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7799 } else if (strncmp(message, "White matches", 13) == 0 ||
7800 strncmp(message, "Black matches", 13) == 0 ) {
7801 /* [HGM] ignore GNUShogi noises */
7803 } else if (strncmp(message, "White", 5) == 0 &&
7804 message[5] != '(' &&
7805 StrStr(message, "Black") == NULL) {
7806 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7808 } else if (strncmp(message, "Black", 5) == 0 &&
7809 message[5] != '(') {
7810 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7812 } else if (strcmp(message, "resign") == 0 ||
7813 strcmp(message, "computer resigns") == 0) {
7815 case MachinePlaysBlack:
7816 case IcsPlayingBlack:
7817 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7819 case MachinePlaysWhite:
7820 case IcsPlayingWhite:
7821 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7823 case TwoMachinesPlay:
7824 if (cps->twoMachinesColor[0] == 'w')
7825 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7827 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7834 } else if (strncmp(message, "opponent mates", 14) == 0) {
7836 case MachinePlaysBlack:
7837 case IcsPlayingBlack:
7838 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7840 case MachinePlaysWhite:
7841 case IcsPlayingWhite:
7842 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7844 case TwoMachinesPlay:
7845 if (cps->twoMachinesColor[0] == 'w')
7846 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7848 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7855 } else if (strncmp(message, "computer mates", 14) == 0) {
7857 case MachinePlaysBlack:
7858 case IcsPlayingBlack:
7859 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7861 case MachinePlaysWhite:
7862 case IcsPlayingWhite:
7863 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7865 case TwoMachinesPlay:
7866 if (cps->twoMachinesColor[0] == 'w')
7867 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7869 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7876 } else if (strncmp(message, "checkmate", 9) == 0) {
7877 if (WhiteOnMove(forwardMostMove)) {
7878 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7880 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7883 } else if (strstr(message, "Draw") != NULL ||
7884 strstr(message, "game is a draw") != NULL) {
7885 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7887 } else if (strstr(message, "offer") != NULL &&
7888 strstr(message, "draw") != NULL) {
7890 if (appData.zippyPlay && first.initDone) {
7891 /* Relay offer to ICS */
7892 SendToICS(ics_prefix);
7893 SendToICS("draw\n");
7896 cps->offeredDraw = 2; /* valid until this engine moves twice */
7897 if (gameMode == TwoMachinesPlay) {
7898 if (cps->other->offeredDraw) {
7899 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7900 /* [HGM] in two-machine mode we delay relaying draw offer */
7901 /* until after we also have move, to see if it is really claim */
7903 } else if (gameMode == MachinePlaysWhite ||
7904 gameMode == MachinePlaysBlack) {
7905 if (userOfferedDraw) {
7906 DisplayInformation(_("Machine accepts your draw offer"));
7907 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7909 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7916 * Look for thinking output
7918 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7919 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7921 int plylev, mvleft, mvtot, curscore, time;
7922 char mvname[MOVE_LEN];
7926 int prefixHint = FALSE;
7927 mvname[0] = NULLCHAR;
7930 case MachinePlaysBlack:
7931 case IcsPlayingBlack:
7932 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7934 case MachinePlaysWhite:
7935 case IcsPlayingWhite:
7936 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7941 case IcsObserving: /* [DM] icsEngineAnalyze */
7942 if (!appData.icsEngineAnalyze) ignore = TRUE;
7944 case TwoMachinesPlay:
7945 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7955 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7957 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7958 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7960 if (plyext != ' ' && plyext != '\t') {
7964 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7965 if( cps->scoreIsAbsolute &&
7966 ( gameMode == MachinePlaysBlack ||
7967 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7968 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7969 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7970 !WhiteOnMove(currentMove)
7973 curscore = -curscore;
7977 tempStats.depth = plylev;
7978 tempStats.nodes = nodes;
7979 tempStats.time = time;
7980 tempStats.score = curscore;
7981 tempStats.got_only_move = 0;
7983 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7986 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7987 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7988 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7989 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7990 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7991 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7992 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7993 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7996 /* Buffer overflow protection */
7997 if (buf1[0] != NULLCHAR) {
7998 if (strlen(buf1) >= sizeof(tempStats.movelist)
7999 && appData.debugMode) {
8001 "PV is too long; using the first %u bytes.\n",
8002 (unsigned) sizeof(tempStats.movelist) - 1);
8005 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8007 sprintf(tempStats.movelist, " no PV\n");
8010 if (tempStats.seen_stat) {
8011 tempStats.ok_to_send = 1;
8014 if (strchr(tempStats.movelist, '(') != NULL) {
8015 tempStats.line_is_book = 1;
8016 tempStats.nr_moves = 0;
8017 tempStats.moves_left = 0;
8019 tempStats.line_is_book = 0;
8022 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8023 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8025 SendProgramStatsToFrontend( cps, &tempStats );
8028 [AS] Protect the thinkOutput buffer from overflow... this
8029 is only useful if buf1 hasn't overflowed first!
8031 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8033 (gameMode == TwoMachinesPlay ?
8034 ToUpper(cps->twoMachinesColor[0]) : ' '),
8035 ((double) curscore) / 100.0,
8036 prefixHint ? lastHint : "",
8037 prefixHint ? " " : "" );
8039 if( buf1[0] != NULLCHAR ) {
8040 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8042 if( strlen(buf1) > max_len ) {
8043 if( appData.debugMode) {
8044 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8046 buf1[max_len+1] = '\0';
8049 strcat( thinkOutput, buf1 );
8052 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8053 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8054 DisplayMove(currentMove - 1);
8058 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8059 /* crafty (9.25+) says "(only move) <move>"
8060 * if there is only 1 legal move
8062 sscanf(p, "(only move) %s", buf1);
8063 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8064 sprintf(programStats.movelist, "%s (only move)", buf1);
8065 programStats.depth = 1;
8066 programStats.nr_moves = 1;
8067 programStats.moves_left = 1;
8068 programStats.nodes = 1;
8069 programStats.time = 1;
8070 programStats.got_only_move = 1;
8072 /* Not really, but we also use this member to
8073 mean "line isn't going to change" (Crafty
8074 isn't searching, so stats won't change) */
8075 programStats.line_is_book = 1;
8077 SendProgramStatsToFrontend( cps, &programStats );
8079 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8080 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8081 DisplayMove(currentMove - 1);
8084 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8085 &time, &nodes, &plylev, &mvleft,
8086 &mvtot, mvname) >= 5) {
8087 /* The stat01: line is from Crafty (9.29+) in response
8088 to the "." command */
8089 programStats.seen_stat = 1;
8090 cps->maybeThinking = TRUE;
8092 if (programStats.got_only_move || !appData.periodicUpdates)
8095 programStats.depth = plylev;
8096 programStats.time = time;
8097 programStats.nodes = nodes;
8098 programStats.moves_left = mvleft;
8099 programStats.nr_moves = mvtot;
8100 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8101 programStats.ok_to_send = 1;
8102 programStats.movelist[0] = '\0';
8104 SendProgramStatsToFrontend( cps, &programStats );
8108 } else if (strncmp(message,"++",2) == 0) {
8109 /* Crafty 9.29+ outputs this */
8110 programStats.got_fail = 2;
8113 } else if (strncmp(message,"--",2) == 0) {
8114 /* Crafty 9.29+ outputs this */
8115 programStats.got_fail = 1;
8118 } else if (thinkOutput[0] != NULLCHAR &&
8119 strncmp(message, " ", 4) == 0) {
8120 unsigned message_len;
8123 while (*p && *p == ' ') p++;
8125 message_len = strlen( p );
8127 /* [AS] Avoid buffer overflow */
8128 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8129 strcat(thinkOutput, " ");
8130 strcat(thinkOutput, p);
8133 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8134 strcat(programStats.movelist, " ");
8135 strcat(programStats.movelist, p);
8138 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8139 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8140 DisplayMove(currentMove - 1);
8148 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8149 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8151 ChessProgramStats cpstats;
8153 if (plyext != ' ' && plyext != '\t') {
8157 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8158 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8159 curscore = -curscore;
8162 cpstats.depth = plylev;
8163 cpstats.nodes = nodes;
8164 cpstats.time = time;
8165 cpstats.score = curscore;
8166 cpstats.got_only_move = 0;
8167 cpstats.movelist[0] = '\0';
8169 if (buf1[0] != NULLCHAR) {
8170 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8173 cpstats.ok_to_send = 0;
8174 cpstats.line_is_book = 0;
8175 cpstats.nr_moves = 0;
8176 cpstats.moves_left = 0;
8178 SendProgramStatsToFrontend( cps, &cpstats );
8185 /* Parse a game score from the character string "game", and
8186 record it as the history of the current game. The game
8187 score is NOT assumed to start from the standard position.
8188 The display is not updated in any way.
8191 ParseGameHistory(game)
8195 int fromX, fromY, toX, toY, boardIndex;
8200 if (appData.debugMode)
8201 fprintf(debugFP, "Parsing game history: %s\n", game);
8203 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8204 gameInfo.site = StrSave(appData.icsHost);
8205 gameInfo.date = PGNDate();
8206 gameInfo.round = StrSave("-");
8208 /* Parse out names of players */
8209 while (*game == ' ') game++;
8211 while (*game != ' ') *p++ = *game++;
8213 gameInfo.white = StrSave(buf);
8214 while (*game == ' ') game++;
8216 while (*game != ' ' && *game != '\n') *p++ = *game++;
8218 gameInfo.black = StrSave(buf);
8221 boardIndex = blackPlaysFirst ? 1 : 0;
8224 yyboardindex = boardIndex;
8225 moveType = (ChessMove) yylex();
8227 case IllegalMove: /* maybe suicide chess, etc. */
8228 if (appData.debugMode) {
8229 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8230 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8231 setbuf(debugFP, NULL);
8233 case WhitePromotion:
8234 case BlackPromotion:
8235 case WhiteNonPromotion:
8236 case BlackNonPromotion:
8238 case WhiteCapturesEnPassant:
8239 case BlackCapturesEnPassant:
8240 case WhiteKingSideCastle:
8241 case WhiteQueenSideCastle:
8242 case BlackKingSideCastle:
8243 case BlackQueenSideCastle:
8244 case WhiteKingSideCastleWild:
8245 case WhiteQueenSideCastleWild:
8246 case BlackKingSideCastleWild:
8247 case BlackQueenSideCastleWild:
8249 case WhiteHSideCastleFR:
8250 case WhiteASideCastleFR:
8251 case BlackHSideCastleFR:
8252 case BlackASideCastleFR:
8254 fromX = currentMoveString[0] - AAA;
8255 fromY = currentMoveString[1] - ONE;
8256 toX = currentMoveString[2] - AAA;
8257 toY = currentMoveString[3] - ONE;
8258 promoChar = currentMoveString[4];
8262 fromX = moveType == WhiteDrop ?
8263 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8264 (int) CharToPiece(ToLower(currentMoveString[0]));
8266 toX = currentMoveString[2] - AAA;
8267 toY = currentMoveString[3] - ONE;
8268 promoChar = NULLCHAR;
8272 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8273 if (appData.debugMode) {
8274 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8275 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8276 setbuf(debugFP, NULL);
8278 DisplayError(buf, 0);
8280 case ImpossibleMove:
8282 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8283 if (appData.debugMode) {
8284 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8285 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8286 setbuf(debugFP, NULL);
8288 DisplayError(buf, 0);
8291 if (boardIndex < backwardMostMove) {
8292 /* Oops, gap. How did that happen? */
8293 DisplayError(_("Gap in move list"), 0);
8296 backwardMostMove = blackPlaysFirst ? 1 : 0;
8297 if (boardIndex > forwardMostMove) {
8298 forwardMostMove = boardIndex;
8302 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8303 strcat(parseList[boardIndex-1], " ");
8304 strcat(parseList[boardIndex-1], yy_text);
8316 case GameUnfinished:
8317 if (gameMode == IcsExamining) {
8318 if (boardIndex < backwardMostMove) {
8319 /* Oops, gap. How did that happen? */
8322 backwardMostMove = blackPlaysFirst ? 1 : 0;
8325 gameInfo.result = moveType;
8326 p = strchr(yy_text, '{');
8327 if (p == NULL) p = strchr(yy_text, '(');
8330 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8332 q = strchr(p, *p == '{' ? '}' : ')');
8333 if (q != NULL) *q = NULLCHAR;
8336 gameInfo.resultDetails = StrSave(p);
8339 if (boardIndex >= forwardMostMove &&
8340 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8341 backwardMostMove = blackPlaysFirst ? 1 : 0;
8344 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8345 fromY, fromX, toY, toX, promoChar,
8346 parseList[boardIndex]);
8347 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8348 /* currentMoveString is set as a side-effect of yylex */
8349 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8350 strcat(moveList[boardIndex], "\n");
8352 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8353 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8359 if(gameInfo.variant != VariantShogi)
8360 strcat(parseList[boardIndex - 1], "+");
8364 strcat(parseList[boardIndex - 1], "#");
8371 /* Apply a move to the given board */
8373 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8374 int fromX, fromY, toX, toY;
8378 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8379 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8381 /* [HGM] compute & store e.p. status and castling rights for new position */
8382 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8384 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8385 oldEP = (signed char)board[EP_STATUS];
8386 board[EP_STATUS] = EP_NONE;
8388 if( board[toY][toX] != EmptySquare )
8389 board[EP_STATUS] = EP_CAPTURE;
8391 if (fromY == DROP_RANK) {
8393 piece = board[toY][toX] = (ChessSquare) fromX;
8397 if( board[fromY][fromX] == WhitePawn ) {
8398 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8399 board[EP_STATUS] = EP_PAWN_MOVE;
8401 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8402 gameInfo.variant != VariantBerolina || toX < fromX)
8403 board[EP_STATUS] = toX | berolina;
8404 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8405 gameInfo.variant != VariantBerolina || toX > fromX)
8406 board[EP_STATUS] = toX;
8409 if( board[fromY][fromX] == BlackPawn ) {
8410 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8411 board[EP_STATUS] = EP_PAWN_MOVE;
8412 if( toY-fromY== -2) {
8413 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8414 gameInfo.variant != VariantBerolina || toX < fromX)
8415 board[EP_STATUS] = toX | berolina;
8416 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8417 gameInfo.variant != VariantBerolina || toX > fromX)
8418 board[EP_STATUS] = toX;
8422 for(i=0; i<nrCastlingRights; i++) {
8423 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8424 board[CASTLING][i] == toX && castlingRank[i] == toY
8425 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8428 if (fromX == toX && fromY == toY) return;
8430 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8431 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8432 if(gameInfo.variant == VariantKnightmate)
8433 king += (int) WhiteUnicorn - (int) WhiteKing;
8435 /* Code added by Tord: */
8436 /* FRC castling assumed when king captures friendly rook. */
8437 if (board[fromY][fromX] == WhiteKing &&
8438 board[toY][toX] == WhiteRook) {
8439 board[fromY][fromX] = EmptySquare;
8440 board[toY][toX] = EmptySquare;
8442 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8444 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8446 } else if (board[fromY][fromX] == BlackKing &&
8447 board[toY][toX] == BlackRook) {
8448 board[fromY][fromX] = EmptySquare;
8449 board[toY][toX] = EmptySquare;
8451 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8453 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8455 /* End of code added by Tord */
8457 } else if (board[fromY][fromX] == king
8458 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8459 && toY == fromY && toX > fromX+1) {
8460 board[fromY][fromX] = EmptySquare;
8461 board[toY][toX] = king;
8462 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8463 board[fromY][BOARD_RGHT-1] = EmptySquare;
8464 } else if (board[fromY][fromX] == king
8465 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8466 && toY == fromY && toX < fromX-1) {
8467 board[fromY][fromX] = EmptySquare;
8468 board[toY][toX] = king;
8469 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8470 board[fromY][BOARD_LEFT] = EmptySquare;
8471 } else if (board[fromY][fromX] == WhitePawn
8472 && toY >= BOARD_HEIGHT-promoRank
8473 && gameInfo.variant != VariantXiangqi
8475 /* white pawn promotion */
8476 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8477 if (board[toY][toX] == EmptySquare) {
8478 board[toY][toX] = WhiteQueen;
8480 if(gameInfo.variant==VariantBughouse ||
8481 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8482 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8483 board[fromY][fromX] = EmptySquare;
8484 } else if ((fromY == BOARD_HEIGHT-4)
8486 && gameInfo.variant != VariantXiangqi
8487 && gameInfo.variant != VariantBerolina
8488 && (board[fromY][fromX] == WhitePawn)
8489 && (board[toY][toX] == EmptySquare)) {
8490 board[fromY][fromX] = EmptySquare;
8491 board[toY][toX] = WhitePawn;
8492 captured = board[toY - 1][toX];
8493 board[toY - 1][toX] = EmptySquare;
8494 } else if ((fromY == BOARD_HEIGHT-4)
8496 && gameInfo.variant == VariantBerolina
8497 && (board[fromY][fromX] == WhitePawn)
8498 && (board[toY][toX] == EmptySquare)) {
8499 board[fromY][fromX] = EmptySquare;
8500 board[toY][toX] = WhitePawn;
8501 if(oldEP & EP_BEROLIN_A) {
8502 captured = board[fromY][fromX-1];
8503 board[fromY][fromX-1] = EmptySquare;
8504 }else{ captured = board[fromY][fromX+1];
8505 board[fromY][fromX+1] = EmptySquare;
8507 } else if (board[fromY][fromX] == king
8508 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8509 && toY == fromY && toX > fromX+1) {
8510 board[fromY][fromX] = EmptySquare;
8511 board[toY][toX] = king;
8512 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8513 board[fromY][BOARD_RGHT-1] = EmptySquare;
8514 } else if (board[fromY][fromX] == king
8515 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8516 && toY == fromY && toX < fromX-1) {
8517 board[fromY][fromX] = EmptySquare;
8518 board[toY][toX] = king;
8519 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8520 board[fromY][BOARD_LEFT] = EmptySquare;
8521 } else if (fromY == 7 && fromX == 3
8522 && board[fromY][fromX] == BlackKing
8523 && toY == 7 && toX == 5) {
8524 board[fromY][fromX] = EmptySquare;
8525 board[toY][toX] = BlackKing;
8526 board[fromY][7] = EmptySquare;
8527 board[toY][4] = BlackRook;
8528 } else if (fromY == 7 && fromX == 3
8529 && board[fromY][fromX] == BlackKing
8530 && toY == 7 && toX == 1) {
8531 board[fromY][fromX] = EmptySquare;
8532 board[toY][toX] = BlackKing;
8533 board[fromY][0] = EmptySquare;
8534 board[toY][2] = BlackRook;
8535 } else if (board[fromY][fromX] == BlackPawn
8537 && gameInfo.variant != VariantXiangqi
8539 /* black pawn promotion */
8540 board[toY][toX] = CharToPiece(ToLower(promoChar));
8541 if (board[toY][toX] == EmptySquare) {
8542 board[toY][toX] = BlackQueen;
8544 if(gameInfo.variant==VariantBughouse ||
8545 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8546 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8547 board[fromY][fromX] = EmptySquare;
8548 } else if ((fromY == 3)
8550 && gameInfo.variant != VariantXiangqi
8551 && gameInfo.variant != VariantBerolina
8552 && (board[fromY][fromX] == BlackPawn)
8553 && (board[toY][toX] == EmptySquare)) {
8554 board[fromY][fromX] = EmptySquare;
8555 board[toY][toX] = BlackPawn;
8556 captured = board[toY + 1][toX];
8557 board[toY + 1][toX] = EmptySquare;
8558 } else if ((fromY == 3)
8560 && gameInfo.variant == VariantBerolina
8561 && (board[fromY][fromX] == BlackPawn)
8562 && (board[toY][toX] == EmptySquare)) {
8563 board[fromY][fromX] = EmptySquare;
8564 board[toY][toX] = BlackPawn;
8565 if(oldEP & EP_BEROLIN_A) {
8566 captured = board[fromY][fromX-1];
8567 board[fromY][fromX-1] = EmptySquare;
8568 }else{ captured = board[fromY][fromX+1];
8569 board[fromY][fromX+1] = EmptySquare;
8572 board[toY][toX] = board[fromY][fromX];
8573 board[fromY][fromX] = EmptySquare;
8577 if (gameInfo.holdingsWidth != 0) {
8579 /* !!A lot more code needs to be written to support holdings */
8580 /* [HGM] OK, so I have written it. Holdings are stored in the */
8581 /* penultimate board files, so they are automaticlly stored */
8582 /* in the game history. */
8583 if (fromY == DROP_RANK) {
8584 /* Delete from holdings, by decreasing count */
8585 /* and erasing image if necessary */
8587 if(p < (int) BlackPawn) { /* white drop */
8588 p -= (int)WhitePawn;
8589 p = PieceToNumber((ChessSquare)p);
8590 if(p >= gameInfo.holdingsSize) p = 0;
8591 if(--board[p][BOARD_WIDTH-2] <= 0)
8592 board[p][BOARD_WIDTH-1] = EmptySquare;
8593 if((int)board[p][BOARD_WIDTH-2] < 0)
8594 board[p][BOARD_WIDTH-2] = 0;
8595 } else { /* black drop */
8596 p -= (int)BlackPawn;
8597 p = PieceToNumber((ChessSquare)p);
8598 if(p >= gameInfo.holdingsSize) p = 0;
8599 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8600 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8601 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8602 board[BOARD_HEIGHT-1-p][1] = 0;
8605 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8606 && gameInfo.variant != VariantBughouse ) {
8607 /* [HGM] holdings: Add to holdings, if holdings exist */
8608 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8609 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8610 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8613 if (p >= (int) BlackPawn) {
8614 p -= (int)BlackPawn;
8615 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8616 /* in Shogi restore piece to its original first */
8617 captured = (ChessSquare) (DEMOTED captured);
8620 p = PieceToNumber((ChessSquare)p);
8621 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8622 board[p][BOARD_WIDTH-2]++;
8623 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8625 p -= (int)WhitePawn;
8626 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8627 captured = (ChessSquare) (DEMOTED captured);
8630 p = PieceToNumber((ChessSquare)p);
8631 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8632 board[BOARD_HEIGHT-1-p][1]++;
8633 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8636 } else if (gameInfo.variant == VariantAtomic) {
8637 if (captured != EmptySquare) {
8639 for (y = toY-1; y <= toY+1; y++) {
8640 for (x = toX-1; x <= toX+1; x++) {
8641 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8642 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8643 board[y][x] = EmptySquare;
8647 board[toY][toX] = EmptySquare;
8650 if(promoChar == '+') {
8651 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8652 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8653 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8654 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8656 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8657 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8658 // [HGM] superchess: take promotion piece out of holdings
8659 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8660 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8661 if(!--board[k][BOARD_WIDTH-2])
8662 board[k][BOARD_WIDTH-1] = EmptySquare;
8664 if(!--board[BOARD_HEIGHT-1-k][1])
8665 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8671 /* Updates forwardMostMove */
8673 MakeMove(fromX, fromY, toX, toY, promoChar)
8674 int fromX, fromY, toX, toY;
8677 // forwardMostMove++; // [HGM] bare: moved downstream
8679 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8680 int timeLeft; static int lastLoadFlag=0; int king, piece;
8681 piece = boards[forwardMostMove][fromY][fromX];
8682 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8683 if(gameInfo.variant == VariantKnightmate)
8684 king += (int) WhiteUnicorn - (int) WhiteKing;
8685 if(forwardMostMove == 0) {
8687 fprintf(serverMoves, "%s;", second.tidy);
8688 fprintf(serverMoves, "%s;", first.tidy);
8689 if(!blackPlaysFirst)
8690 fprintf(serverMoves, "%s;", second.tidy);
8691 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8692 lastLoadFlag = loadFlag;
8694 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8695 // print castling suffix
8696 if( toY == fromY && piece == king ) {
8698 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8700 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8703 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8704 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8705 boards[forwardMostMove][toY][toX] == EmptySquare
8706 && fromX != toX && fromY != toY)
8707 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8709 if(promoChar != NULLCHAR)
8710 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8712 fprintf(serverMoves, "/%d/%d",
8713 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8714 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8715 else timeLeft = blackTimeRemaining/1000;
8716 fprintf(serverMoves, "/%d", timeLeft);
8718 fflush(serverMoves);
8721 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8722 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8726 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8727 if (commentList[forwardMostMove+1] != NULL) {
8728 free(commentList[forwardMostMove+1]);
8729 commentList[forwardMostMove+1] = NULL;
8731 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8732 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8733 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8734 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8735 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8736 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8737 gameInfo.result = GameUnfinished;
8738 if (gameInfo.resultDetails != NULL) {
8739 free(gameInfo.resultDetails);
8740 gameInfo.resultDetails = NULL;
8742 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8743 moveList[forwardMostMove - 1]);
8744 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8745 PosFlags(forwardMostMove - 1),
8746 fromY, fromX, toY, toX, promoChar,
8747 parseList[forwardMostMove - 1]);
8748 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8754 if(gameInfo.variant != VariantShogi)
8755 strcat(parseList[forwardMostMove - 1], "+");
8759 strcat(parseList[forwardMostMove - 1], "#");
8762 if (appData.debugMode) {
8763 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8768 /* Updates currentMove if not pausing */
8770 ShowMove(fromX, fromY, toX, toY)
8772 int instant = (gameMode == PlayFromGameFile) ?
8773 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8774 if(appData.noGUI) return;
8775 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8777 if (forwardMostMove == currentMove + 1) {
8778 AnimateMove(boards[forwardMostMove - 1],
8779 fromX, fromY, toX, toY);
8781 if (appData.highlightLastMove) {
8782 SetHighlights(fromX, fromY, toX, toY);
8785 currentMove = forwardMostMove;
8788 if (instant) return;
8790 DisplayMove(currentMove - 1);
8791 DrawPosition(FALSE, boards[currentMove]);
8792 DisplayBothClocks();
8793 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8796 void SendEgtPath(ChessProgramState *cps)
8797 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8798 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8800 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8803 char c, *q = name+1, *r, *s;
8805 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8806 while(*p && *p != ',') *q++ = *p++;
8808 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8809 strcmp(name, ",nalimov:") == 0 ) {
8810 // take nalimov path from the menu-changeable option first, if it is defined
8811 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8812 SendToProgram(buf,cps); // send egtbpath command for nalimov
8814 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8815 (s = StrStr(appData.egtFormats, name)) != NULL) {
8816 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8817 s = r = StrStr(s, ":") + 1; // beginning of path info
8818 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8819 c = *r; *r = 0; // temporarily null-terminate path info
8820 *--q = 0; // strip of trailig ':' from name
8821 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8823 SendToProgram(buf,cps); // send egtbpath command for this format
8825 if(*p == ',') p++; // read away comma to position for next format name
8830 InitChessProgram(cps, setup)
8831 ChessProgramState *cps;
8832 int setup; /* [HGM] needed to setup FRC opening position */
8834 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8835 if (appData.noChessProgram) return;
8836 hintRequested = FALSE;
8837 bookRequested = FALSE;
8839 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8840 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8841 if(cps->memSize) { /* [HGM] memory */
8842 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8843 SendToProgram(buf, cps);
8845 SendEgtPath(cps); /* [HGM] EGT */
8846 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8847 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8848 SendToProgram(buf, cps);
8851 SendToProgram(cps->initString, cps);
8852 if (gameInfo.variant != VariantNormal &&
8853 gameInfo.variant != VariantLoadable
8854 /* [HGM] also send variant if board size non-standard */
8855 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8857 char *v = VariantName(gameInfo.variant);
8858 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8859 /* [HGM] in protocol 1 we have to assume all variants valid */
8860 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8861 DisplayFatalError(buf, 0, 1);
8865 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8866 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8867 if( gameInfo.variant == VariantXiangqi )
8868 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8869 if( gameInfo.variant == VariantShogi )
8870 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8871 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8872 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8873 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8874 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8875 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8876 if( gameInfo.variant == VariantCourier )
8877 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8878 if( gameInfo.variant == VariantSuper )
8879 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8880 if( gameInfo.variant == VariantGreat )
8881 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8884 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8885 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8886 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8887 if(StrStr(cps->variants, b) == NULL) {
8888 // specific sized variant not known, check if general sizing allowed
8889 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8890 if(StrStr(cps->variants, "boardsize") == NULL) {
8891 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8892 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8893 DisplayFatalError(buf, 0, 1);
8896 /* [HGM] here we really should compare with the maximum supported board size */
8899 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8900 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8901 SendToProgram(buf, cps);
8903 currentlyInitializedVariant = gameInfo.variant;
8905 /* [HGM] send opening position in FRC to first engine */
8907 SendToProgram("force\n", cps);
8909 /* engine is now in force mode! Set flag to wake it up after first move. */
8910 setboardSpoiledMachineBlack = 1;
8914 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8915 SendToProgram(buf, cps);
8917 cps->maybeThinking = FALSE;
8918 cps->offeredDraw = 0;
8919 if (!appData.icsActive) {
8920 SendTimeControl(cps, movesPerSession, timeControl,
8921 timeIncrement, appData.searchDepth,
8924 if (appData.showThinking
8925 // [HGM] thinking: four options require thinking output to be sent
8926 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8928 SendToProgram("post\n", cps);
8930 SendToProgram("hard\n", cps);
8931 if (!appData.ponderNextMove) {
8932 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8933 it without being sure what state we are in first. "hard"
8934 is not a toggle, so that one is OK.
8936 SendToProgram("easy\n", cps);
8939 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8940 SendToProgram(buf, cps);
8942 cps->initDone = TRUE;
8947 StartChessProgram(cps)
8948 ChessProgramState *cps;
8953 if (appData.noChessProgram) return;
8954 cps->initDone = FALSE;
8956 if (strcmp(cps->host, "localhost") == 0) {
8957 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8958 } else if (*appData.remoteShell == NULLCHAR) {
8959 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8961 if (*appData.remoteUser == NULLCHAR) {
8962 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8965 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8966 cps->host, appData.remoteUser, cps->program);
8968 err = StartChildProcess(buf, "", &cps->pr);
8972 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8973 DisplayFatalError(buf, err, 1);
8979 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8980 if (cps->protocolVersion > 1) {
8981 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8982 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8983 cps->comboCnt = 0; // and values of combo boxes
8984 SendToProgram(buf, cps);
8986 SendToProgram("xboard\n", cps);
8992 TwoMachinesEventIfReady P((void))
8994 if (first.lastPing != first.lastPong) {
8995 DisplayMessage("", _("Waiting for first chess program"));
8996 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8999 if (second.lastPing != second.lastPong) {
9000 DisplayMessage("", _("Waiting for second chess program"));
9001 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9009 NextMatchGame P((void))
9011 int index; /* [HGM] autoinc: step load index during match */
9013 if (*appData.loadGameFile != NULLCHAR) {
9014 index = appData.loadGameIndex;
9015 if(index < 0) { // [HGM] autoinc
9016 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9017 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9019 LoadGameFromFile(appData.loadGameFile,
9021 appData.loadGameFile, FALSE);
9022 } else if (*appData.loadPositionFile != NULLCHAR) {
9023 index = appData.loadPositionIndex;
9024 if(index < 0) { // [HGM] autoinc
9025 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9026 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9028 LoadPositionFromFile(appData.loadPositionFile,
9030 appData.loadPositionFile);
9032 TwoMachinesEventIfReady();
9035 void UserAdjudicationEvent( int result )
9037 ChessMove gameResult = GameIsDrawn;
9040 gameResult = WhiteWins;
9042 else if( result < 0 ) {
9043 gameResult = BlackWins;
9046 if( gameMode == TwoMachinesPlay ) {
9047 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9052 // [HGM] save: calculate checksum of game to make games easily identifiable
9053 int StringCheckSum(char *s)
9056 if(s==NULL) return 0;
9057 while(*s) i = i*259 + *s++;
9064 for(i=backwardMostMove; i<forwardMostMove; i++) {
9065 sum += pvInfoList[i].depth;
9066 sum += StringCheckSum(parseList[i]);
9067 sum += StringCheckSum(commentList[i]);
9070 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9071 return sum + StringCheckSum(commentList[i]);
9072 } // end of save patch
9075 GameEnds(result, resultDetails, whosays)
9077 char *resultDetails;
9080 GameMode nextGameMode;
9082 char buf[MSG_SIZ], popupRequested = 0;
9084 if(endingGame) return; /* [HGM] crash: forbid recursion */
9086 if(twoBoards) { // [HGM] dual: switch back to one board
9087 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9088 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9090 if (appData.debugMode) {
9091 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9092 result, resultDetails ? resultDetails : "(null)", whosays);
9095 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9097 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9098 /* If we are playing on ICS, the server decides when the
9099 game is over, but the engine can offer to draw, claim
9103 if (appData.zippyPlay && first.initDone) {
9104 if (result == GameIsDrawn) {
9105 /* In case draw still needs to be claimed */
9106 SendToICS(ics_prefix);
9107 SendToICS("draw\n");
9108 } else if (StrCaseStr(resultDetails, "resign")) {
9109 SendToICS(ics_prefix);
9110 SendToICS("resign\n");
9114 endingGame = 0; /* [HGM] crash */
9118 /* If we're loading the game from a file, stop */
9119 if (whosays == GE_FILE) {
9120 (void) StopLoadGameTimer();
9124 /* Cancel draw offers */
9125 first.offeredDraw = second.offeredDraw = 0;
9127 /* If this is an ICS game, only ICS can really say it's done;
9128 if not, anyone can. */
9129 isIcsGame = (gameMode == IcsPlayingWhite ||
9130 gameMode == IcsPlayingBlack ||
9131 gameMode == IcsObserving ||
9132 gameMode == IcsExamining);
9134 if (!isIcsGame || whosays == GE_ICS) {
9135 /* OK -- not an ICS game, or ICS said it was done */
9137 if (!isIcsGame && !appData.noChessProgram)
9138 SetUserThinkingEnables();
9140 /* [HGM] if a machine claims the game end we verify this claim */
9141 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9142 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9144 ChessMove trueResult = (ChessMove) -1;
9146 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9147 first.twoMachinesColor[0] :
9148 second.twoMachinesColor[0] ;
9150 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9151 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9152 /* [HGM] verify: engine mate claims accepted if they were flagged */
9153 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9155 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9156 /* [HGM] verify: engine mate claims accepted if they were flagged */
9157 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9159 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9160 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9163 // now verify win claims, but not in drop games, as we don't understand those yet
9164 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9165 || gameInfo.variant == VariantGreat) &&
9166 (result == WhiteWins && claimer == 'w' ||
9167 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9168 if (appData.debugMode) {
9169 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9170 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9172 if(result != trueResult) {
9173 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9174 result = claimer == 'w' ? BlackWins : WhiteWins;
9175 resultDetails = buf;
9178 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9179 && (forwardMostMove <= backwardMostMove ||
9180 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9181 (claimer=='b')==(forwardMostMove&1))
9183 /* [HGM] verify: draws that were not flagged are false claims */
9184 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9185 result = claimer == 'w' ? BlackWins : WhiteWins;
9186 resultDetails = buf;
9188 /* (Claiming a loss is accepted no questions asked!) */
9190 /* [HGM] bare: don't allow bare King to win */
9191 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9192 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9193 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9194 && result != GameIsDrawn)
9195 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9196 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9197 int p = (signed char)boards[forwardMostMove][i][j] - color;
9198 if(p >= 0 && p <= (int)WhiteKing) k++;
9200 if (appData.debugMode) {
9201 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9202 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9205 result = GameIsDrawn;
9206 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9207 resultDetails = buf;
9213 if(serverMoves != NULL && !loadFlag) { char c = '=';
9214 if(result==WhiteWins) c = '+';
9215 if(result==BlackWins) c = '-';
9216 if(resultDetails != NULL)
9217 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9219 if (resultDetails != NULL) {
9220 gameInfo.result = result;
9221 gameInfo.resultDetails = StrSave(resultDetails);
9223 /* display last move only if game was not loaded from file */
9224 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9225 DisplayMove(currentMove - 1);
9227 if (forwardMostMove != 0) {
9228 if (gameMode != PlayFromGameFile && gameMode != EditGame
9229 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9231 if (*appData.saveGameFile != NULLCHAR) {
9232 SaveGameToFile(appData.saveGameFile, TRUE);
9233 } else if (appData.autoSaveGames) {
9236 if (*appData.savePositionFile != NULLCHAR) {
9237 SavePositionToFile(appData.savePositionFile);
9242 /* Tell program how game ended in case it is learning */
9243 /* [HGM] Moved this to after saving the PGN, just in case */
9244 /* engine died and we got here through time loss. In that */
9245 /* case we will get a fatal error writing the pipe, which */
9246 /* would otherwise lose us the PGN. */
9247 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9248 /* output during GameEnds should never be fatal anymore */
9249 if (gameMode == MachinePlaysWhite ||
9250 gameMode == MachinePlaysBlack ||
9251 gameMode == TwoMachinesPlay ||
9252 gameMode == IcsPlayingWhite ||
9253 gameMode == IcsPlayingBlack ||
9254 gameMode == BeginningOfGame) {
9256 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9258 if (first.pr != NoProc) {
9259 SendToProgram(buf, &first);
9261 if (second.pr != NoProc &&
9262 gameMode == TwoMachinesPlay) {
9263 SendToProgram(buf, &second);
9268 if (appData.icsActive) {
9269 if (appData.quietPlay &&
9270 (gameMode == IcsPlayingWhite ||
9271 gameMode == IcsPlayingBlack)) {
9272 SendToICS(ics_prefix);
9273 SendToICS("set shout 1\n");
9275 nextGameMode = IcsIdle;
9276 ics_user_moved = FALSE;
9277 /* clean up premove. It's ugly when the game has ended and the
9278 * premove highlights are still on the board.
9282 ClearPremoveHighlights();
9283 DrawPosition(FALSE, boards[currentMove]);
9285 if (whosays == GE_ICS) {
9288 if (gameMode == IcsPlayingWhite)
9290 else if(gameMode == IcsPlayingBlack)
9294 if (gameMode == IcsPlayingBlack)
9296 else if(gameMode == IcsPlayingWhite)
9303 PlayIcsUnfinishedSound();
9306 } else if (gameMode == EditGame ||
9307 gameMode == PlayFromGameFile ||
9308 gameMode == AnalyzeMode ||
9309 gameMode == AnalyzeFile) {
9310 nextGameMode = gameMode;
9312 nextGameMode = EndOfGame;
9317 nextGameMode = gameMode;
9320 if (appData.noChessProgram) {
9321 gameMode = nextGameMode;
9323 endingGame = 0; /* [HGM] crash */
9328 /* Put first chess program into idle state */
9329 if (first.pr != NoProc &&
9330 (gameMode == MachinePlaysWhite ||
9331 gameMode == MachinePlaysBlack ||
9332 gameMode == TwoMachinesPlay ||
9333 gameMode == IcsPlayingWhite ||
9334 gameMode == IcsPlayingBlack ||
9335 gameMode == BeginningOfGame)) {
9336 SendToProgram("force\n", &first);
9337 if (first.usePing) {
9339 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9340 SendToProgram(buf, &first);
9343 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9344 /* Kill off first chess program */
9345 if (first.isr != NULL)
9346 RemoveInputSource(first.isr);
9349 if (first.pr != NoProc) {
9351 DoSleep( appData.delayBeforeQuit );
9352 SendToProgram("quit\n", &first);
9353 DoSleep( appData.delayAfterQuit );
9354 DestroyChildProcess(first.pr, first.useSigterm);
9359 /* Put second chess program into idle state */
9360 if (second.pr != NoProc &&
9361 gameMode == TwoMachinesPlay) {
9362 SendToProgram("force\n", &second);
9363 if (second.usePing) {
9365 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9366 SendToProgram(buf, &second);
9369 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9370 /* Kill off second chess program */
9371 if (second.isr != NULL)
9372 RemoveInputSource(second.isr);
9375 if (second.pr != NoProc) {
9376 DoSleep( appData.delayBeforeQuit );
9377 SendToProgram("quit\n", &second);
9378 DoSleep( appData.delayAfterQuit );
9379 DestroyChildProcess(second.pr, second.useSigterm);
9384 if (matchMode && gameMode == TwoMachinesPlay) {
9387 if (first.twoMachinesColor[0] == 'w') {
9394 if (first.twoMachinesColor[0] == 'b') {
9403 if (matchGame < appData.matchGames) {
9405 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9406 tmp = first.twoMachinesColor;
9407 first.twoMachinesColor = second.twoMachinesColor;
9408 second.twoMachinesColor = tmp;
9410 gameMode = nextGameMode;
9412 if(appData.matchPause>10000 || appData.matchPause<10)
9413 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9414 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9415 endingGame = 0; /* [HGM] crash */
9418 gameMode = nextGameMode;
9419 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9420 first.tidy, second.tidy,
9421 first.matchWins, second.matchWins,
9422 appData.matchGames - (first.matchWins + second.matchWins));
9423 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9426 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9427 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9429 gameMode = nextGameMode;
9431 endingGame = 0; /* [HGM] crash */
9432 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9433 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9434 matchMode = FALSE; appData.matchGames = matchGame = 0;
9440 /* Assumes program was just initialized (initString sent).
9441 Leaves program in force mode. */
9443 FeedMovesToProgram(cps, upto)
9444 ChessProgramState *cps;
9449 if (appData.debugMode)
9450 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9451 startedFromSetupPosition ? "position and " : "",
9452 backwardMostMove, upto, cps->which);
9453 if(currentlyInitializedVariant != gameInfo.variant) {
9455 // [HGM] variantswitch: make engine aware of new variant
9456 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9457 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9458 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9459 SendToProgram(buf, cps);
9460 currentlyInitializedVariant = gameInfo.variant;
9462 SendToProgram("force\n", cps);
9463 if (startedFromSetupPosition) {
9464 SendBoard(cps, backwardMostMove);
9465 if (appData.debugMode) {
9466 fprintf(debugFP, "feedMoves\n");
9469 for (i = backwardMostMove; i < upto; i++) {
9470 SendMoveToProgram(i, cps);
9476 ResurrectChessProgram()
9478 /* The chess program may have exited.
9479 If so, restart it and feed it all the moves made so far. */
9481 if (appData.noChessProgram || first.pr != NoProc) return;
9483 StartChessProgram(&first);
9484 InitChessProgram(&first, FALSE);
9485 FeedMovesToProgram(&first, currentMove);
9487 if (!first.sendTime) {
9488 /* can't tell gnuchess what its clock should read,
9489 so we bow to its notion. */
9491 timeRemaining[0][currentMove] = whiteTimeRemaining;
9492 timeRemaining[1][currentMove] = blackTimeRemaining;
9495 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9496 appData.icsEngineAnalyze) && first.analysisSupport) {
9497 SendToProgram("analyze\n", &first);
9498 first.analyzing = TRUE;
9511 if (appData.debugMode) {
9512 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9513 redraw, init, gameMode);
9515 CleanupTail(); // [HGM] vari: delete any stored variations
9516 pausing = pauseExamInvalid = FALSE;
9517 startedFromSetupPosition = blackPlaysFirst = FALSE;
9519 whiteFlag = blackFlag = FALSE;
9520 userOfferedDraw = FALSE;
9521 hintRequested = bookRequested = FALSE;
9522 first.maybeThinking = FALSE;
9523 second.maybeThinking = FALSE;
9524 first.bookSuspend = FALSE; // [HGM] book
9525 second.bookSuspend = FALSE;
9526 thinkOutput[0] = NULLCHAR;
9527 lastHint[0] = NULLCHAR;
9528 ClearGameInfo(&gameInfo);
9529 gameInfo.variant = StringToVariant(appData.variant);
9530 ics_user_moved = ics_clock_paused = FALSE;
9531 ics_getting_history = H_FALSE;
9533 white_holding[0] = black_holding[0] = NULLCHAR;
9534 ClearProgramStats();
9535 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9539 flipView = appData.flipView;
9540 ClearPremoveHighlights();
9542 alarmSounded = FALSE;
9544 GameEnds(EndOfFile, NULL, GE_PLAYER);
9545 if(appData.serverMovesName != NULL) {
9546 /* [HGM] prepare to make moves file for broadcasting */
9547 clock_t t = clock();
9548 if(serverMoves != NULL) fclose(serverMoves);
9549 serverMoves = fopen(appData.serverMovesName, "r");
9550 if(serverMoves != NULL) {
9551 fclose(serverMoves);
9552 /* delay 15 sec before overwriting, so all clients can see end */
9553 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9555 serverMoves = fopen(appData.serverMovesName, "w");
9559 gameMode = BeginningOfGame;
9561 if(appData.icsActive) gameInfo.variant = VariantNormal;
9562 currentMove = forwardMostMove = backwardMostMove = 0;
9563 InitPosition(redraw);
9564 for (i = 0; i < MAX_MOVES; i++) {
9565 if (commentList[i] != NULL) {
9566 free(commentList[i]);
9567 commentList[i] = NULL;
9571 timeRemaining[0][0] = whiteTimeRemaining;
9572 timeRemaining[1][0] = blackTimeRemaining;
9573 if (first.pr == NULL) {
9574 StartChessProgram(&first);
9577 InitChessProgram(&first, startedFromSetupPosition);
9580 DisplayMessage("", "");
9581 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9582 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9589 if (!AutoPlayOneMove())
9591 if (matchMode || appData.timeDelay == 0)
9593 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9595 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9604 int fromX, fromY, toX, toY;
9606 if (appData.debugMode) {
9607 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9610 if (gameMode != PlayFromGameFile)
9613 if (currentMove >= forwardMostMove) {
9614 gameMode = EditGame;
9617 /* [AS] Clear current move marker at the end of a game */
9618 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9623 toX = moveList[currentMove][2] - AAA;
9624 toY = moveList[currentMove][3] - ONE;
9626 if (moveList[currentMove][1] == '@') {
9627 if (appData.highlightLastMove) {
9628 SetHighlights(-1, -1, toX, toY);
9631 fromX = moveList[currentMove][0] - AAA;
9632 fromY = moveList[currentMove][1] - ONE;
9634 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9636 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9638 if (appData.highlightLastMove) {
9639 SetHighlights(fromX, fromY, toX, toY);
9642 DisplayMove(currentMove);
9643 SendMoveToProgram(currentMove++, &first);
9644 DisplayBothClocks();
9645 DrawPosition(FALSE, boards[currentMove]);
9646 // [HGM] PV info: always display, routine tests if empty
9647 DisplayComment(currentMove - 1, commentList[currentMove]);
9653 LoadGameOneMove(readAhead)
9654 ChessMove readAhead;
9656 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9657 char promoChar = NULLCHAR;
9662 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9663 gameMode != AnalyzeMode && gameMode != Training) {
9668 yyboardindex = forwardMostMove;
9669 if (readAhead != EndOfFile) {
9670 moveType = readAhead;
9672 if (gameFileFP == NULL)
9674 moveType = (ChessMove) yylex();
9680 if (appData.debugMode)
9681 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9684 /* append the comment but don't display it */
9685 AppendComment(currentMove, p, FALSE);
9688 case WhiteCapturesEnPassant:
9689 case BlackCapturesEnPassant:
9690 case WhitePromotion:
9691 case BlackPromotion:
9692 case WhiteNonPromotion:
9693 case BlackNonPromotion:
9695 case WhiteKingSideCastle:
9696 case WhiteQueenSideCastle:
9697 case BlackKingSideCastle:
9698 case BlackQueenSideCastle:
9699 case WhiteKingSideCastleWild:
9700 case WhiteQueenSideCastleWild:
9701 case BlackKingSideCastleWild:
9702 case BlackQueenSideCastleWild:
9704 case WhiteHSideCastleFR:
9705 case WhiteASideCastleFR:
9706 case BlackHSideCastleFR:
9707 case BlackASideCastleFR:
9709 if (appData.debugMode)
9710 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9711 fromX = currentMoveString[0] - AAA;
9712 fromY = currentMoveString[1] - ONE;
9713 toX = currentMoveString[2] - AAA;
9714 toY = currentMoveString[3] - ONE;
9715 promoChar = currentMoveString[4];
9720 if (appData.debugMode)
9721 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9722 fromX = moveType == WhiteDrop ?
9723 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9724 (int) CharToPiece(ToLower(currentMoveString[0]));
9726 toX = currentMoveString[2] - AAA;
9727 toY = currentMoveString[3] - ONE;
9733 case GameUnfinished:
9734 if (appData.debugMode)
9735 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9736 p = strchr(yy_text, '{');
9737 if (p == NULL) p = strchr(yy_text, '(');
9740 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9742 q = strchr(p, *p == '{' ? '}' : ')');
9743 if (q != NULL) *q = NULLCHAR;
9746 GameEnds(moveType, p, GE_FILE);
9748 if (cmailMsgLoaded) {
9750 flipView = WhiteOnMove(currentMove);
9751 if (moveType == GameUnfinished) flipView = !flipView;
9752 if (appData.debugMode)
9753 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9758 if (appData.debugMode)
9759 fprintf(debugFP, "Parser hit end of file\n");
9760 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9766 if (WhiteOnMove(currentMove)) {
9767 GameEnds(BlackWins, "Black mates", GE_FILE);
9769 GameEnds(WhiteWins, "White mates", GE_FILE);
9773 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9780 if (lastLoadGameStart == GNUChessGame) {
9781 /* GNUChessGames have numbers, but they aren't move numbers */
9782 if (appData.debugMode)
9783 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9784 yy_text, (int) moveType);
9785 return LoadGameOneMove(EndOfFile); /* tail recursion */
9787 /* else fall thru */
9792 /* Reached start of next game in file */
9793 if (appData.debugMode)
9794 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9795 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9801 if (WhiteOnMove(currentMove)) {
9802 GameEnds(BlackWins, "Black mates", GE_FILE);
9804 GameEnds(WhiteWins, "White mates", GE_FILE);
9808 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9814 case PositionDiagram: /* should not happen; ignore */
9815 case ElapsedTime: /* ignore */
9816 case NAG: /* ignore */
9817 if (appData.debugMode)
9818 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9819 yy_text, (int) moveType);
9820 return LoadGameOneMove(EndOfFile); /* tail recursion */
9823 if (appData.testLegality) {
9824 if (appData.debugMode)
9825 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9826 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9827 (forwardMostMove / 2) + 1,
9828 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9829 DisplayError(move, 0);
9832 if (appData.debugMode)
9833 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9834 yy_text, currentMoveString);
9835 fromX = currentMoveString[0] - AAA;
9836 fromY = currentMoveString[1] - ONE;
9837 toX = currentMoveString[2] - AAA;
9838 toY = currentMoveString[3] - ONE;
9839 promoChar = currentMoveString[4];
9844 if (appData.debugMode)
9845 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9846 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9847 (forwardMostMove / 2) + 1,
9848 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9849 DisplayError(move, 0);
9854 case ImpossibleMove:
9855 if (appData.debugMode)
9856 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9857 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9858 (forwardMostMove / 2) + 1,
9859 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9860 DisplayError(move, 0);
9866 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9867 DrawPosition(FALSE, boards[currentMove]);
9868 DisplayBothClocks();
9869 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9870 DisplayComment(currentMove - 1, commentList[currentMove]);
9872 (void) StopLoadGameTimer();
9874 cmailOldMove = forwardMostMove;
9877 /* currentMoveString is set as a side-effect of yylex */
9878 strcat(currentMoveString, "\n");
9879 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9881 thinkOutput[0] = NULLCHAR;
9882 MakeMove(fromX, fromY, toX, toY, promoChar);
9883 currentMove = forwardMostMove;
9888 /* Load the nth game from the given file */
9890 LoadGameFromFile(filename, n, title, useList)
9894 /*Boolean*/ int useList;
9899 if (strcmp(filename, "-") == 0) {
9903 f = fopen(filename, "rb");
9905 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9906 DisplayError(buf, errno);
9910 if (fseek(f, 0, 0) == -1) {
9911 /* f is not seekable; probably a pipe */
9914 if (useList && n == 0) {
9915 int error = GameListBuild(f);
9917 DisplayError(_("Cannot build game list"), error);
9918 } else if (!ListEmpty(&gameList) &&
9919 ((ListGame *) gameList.tailPred)->number > 1) {
9920 GameListPopUp(f, title);
9927 return LoadGame(f, n, title, FALSE);
9932 MakeRegisteredMove()
9934 int fromX, fromY, toX, toY;
9936 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9937 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9940 if (appData.debugMode)
9941 fprintf(debugFP, "Restoring %s for game %d\n",
9942 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9944 thinkOutput[0] = NULLCHAR;
9945 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9946 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9947 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9948 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9949 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9950 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9951 MakeMove(fromX, fromY, toX, toY, promoChar);
9952 ShowMove(fromX, fromY, toX, toY);
9954 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9961 if (WhiteOnMove(currentMove)) {
9962 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9964 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9969 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9976 if (WhiteOnMove(currentMove)) {
9977 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9979 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9984 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9995 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9997 CmailLoadGame(f, gameNumber, title, useList)
10005 if (gameNumber > nCmailGames) {
10006 DisplayError(_("No more games in this message"), 0);
10009 if (f == lastLoadGameFP) {
10010 int offset = gameNumber - lastLoadGameNumber;
10012 cmailMsg[0] = NULLCHAR;
10013 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10014 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10015 nCmailMovesRegistered--;
10017 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10018 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10019 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10022 if (! RegisterMove()) return FALSE;
10026 retVal = LoadGame(f, gameNumber, title, useList);
10028 /* Make move registered during previous look at this game, if any */
10029 MakeRegisteredMove();
10031 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10032 commentList[currentMove]
10033 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10034 DisplayComment(currentMove - 1, commentList[currentMove]);
10040 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10045 int gameNumber = lastLoadGameNumber + offset;
10046 if (lastLoadGameFP == NULL) {
10047 DisplayError(_("No game has been loaded yet"), 0);
10050 if (gameNumber <= 0) {
10051 DisplayError(_("Can't back up any further"), 0);
10054 if (cmailMsgLoaded) {
10055 return CmailLoadGame(lastLoadGameFP, gameNumber,
10056 lastLoadGameTitle, lastLoadGameUseList);
10058 return LoadGame(lastLoadGameFP, gameNumber,
10059 lastLoadGameTitle, lastLoadGameUseList);
10065 /* Load the nth game from open file f */
10067 LoadGame(f, gameNumber, title, useList)
10075 int gn = gameNumber;
10076 ListGame *lg = NULL;
10077 int numPGNTags = 0;
10079 GameMode oldGameMode;
10080 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10082 if (appData.debugMode)
10083 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10085 if (gameMode == Training )
10086 SetTrainingModeOff();
10088 oldGameMode = gameMode;
10089 if (gameMode != BeginningOfGame) {
10090 Reset(FALSE, TRUE);
10094 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10095 fclose(lastLoadGameFP);
10099 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10102 fseek(f, lg->offset, 0);
10103 GameListHighlight(gameNumber);
10107 DisplayError(_("Game number out of range"), 0);
10112 if (fseek(f, 0, 0) == -1) {
10113 if (f == lastLoadGameFP ?
10114 gameNumber == lastLoadGameNumber + 1 :
10118 DisplayError(_("Can't seek on game file"), 0);
10123 lastLoadGameFP = f;
10124 lastLoadGameNumber = gameNumber;
10125 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10126 lastLoadGameUseList = useList;
10130 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10131 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10132 lg->gameInfo.black);
10134 } else if (*title != NULLCHAR) {
10135 if (gameNumber > 1) {
10136 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10139 DisplayTitle(title);
10143 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10144 gameMode = PlayFromGameFile;
10148 currentMove = forwardMostMove = backwardMostMove = 0;
10149 CopyBoard(boards[0], initialPosition);
10153 * Skip the first gn-1 games in the file.
10154 * Also skip over anything that precedes an identifiable
10155 * start of game marker, to avoid being confused by
10156 * garbage at the start of the file. Currently
10157 * recognized start of game markers are the move number "1",
10158 * the pattern "gnuchess .* game", the pattern
10159 * "^[#;%] [^ ]* game file", and a PGN tag block.
10160 * A game that starts with one of the latter two patterns
10161 * will also have a move number 1, possibly
10162 * following a position diagram.
10163 * 5-4-02: Let's try being more lenient and allowing a game to
10164 * start with an unnumbered move. Does that break anything?
10166 cm = lastLoadGameStart = EndOfFile;
10168 yyboardindex = forwardMostMove;
10169 cm = (ChessMove) yylex();
10172 if (cmailMsgLoaded) {
10173 nCmailGames = CMAIL_MAX_GAMES - gn;
10176 DisplayError(_("Game not found in file"), 0);
10183 lastLoadGameStart = cm;
10186 case MoveNumberOne:
10187 switch (lastLoadGameStart) {
10192 case MoveNumberOne:
10194 gn--; /* count this game */
10195 lastLoadGameStart = cm;
10204 switch (lastLoadGameStart) {
10207 case MoveNumberOne:
10209 gn--; /* count this game */
10210 lastLoadGameStart = cm;
10213 lastLoadGameStart = cm; /* game counted already */
10221 yyboardindex = forwardMostMove;
10222 cm = (ChessMove) yylex();
10223 } while (cm == PGNTag || cm == Comment);
10230 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10231 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10232 != CMAIL_OLD_RESULT) {
10234 cmailResult[ CMAIL_MAX_GAMES
10235 - gn - 1] = CMAIL_OLD_RESULT;
10241 /* Only a NormalMove can be at the start of a game
10242 * without a position diagram. */
10243 if (lastLoadGameStart == EndOfFile ) {
10245 lastLoadGameStart = MoveNumberOne;
10254 if (appData.debugMode)
10255 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10257 if (cm == XBoardGame) {
10258 /* Skip any header junk before position diagram and/or move 1 */
10260 yyboardindex = forwardMostMove;
10261 cm = (ChessMove) yylex();
10263 if (cm == EndOfFile ||
10264 cm == GNUChessGame || cm == XBoardGame) {
10265 /* Empty game; pretend end-of-file and handle later */
10270 if (cm == MoveNumberOne || cm == PositionDiagram ||
10271 cm == PGNTag || cm == Comment)
10274 } else if (cm == GNUChessGame) {
10275 if (gameInfo.event != NULL) {
10276 free(gameInfo.event);
10278 gameInfo.event = StrSave(yy_text);
10281 startedFromSetupPosition = FALSE;
10282 while (cm == PGNTag) {
10283 if (appData.debugMode)
10284 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10285 err = ParsePGNTag(yy_text, &gameInfo);
10286 if (!err) numPGNTags++;
10288 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10289 if(gameInfo.variant != oldVariant) {
10290 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10291 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10292 InitPosition(TRUE);
10293 oldVariant = gameInfo.variant;
10294 if (appData.debugMode)
10295 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10299 if (gameInfo.fen != NULL) {
10300 Board initial_position;
10301 startedFromSetupPosition = TRUE;
10302 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10304 DisplayError(_("Bad FEN position in file"), 0);
10307 CopyBoard(boards[0], initial_position);
10308 if (blackPlaysFirst) {
10309 currentMove = forwardMostMove = backwardMostMove = 1;
10310 CopyBoard(boards[1], initial_position);
10311 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10312 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10313 timeRemaining[0][1] = whiteTimeRemaining;
10314 timeRemaining[1][1] = blackTimeRemaining;
10315 if (commentList[0] != NULL) {
10316 commentList[1] = commentList[0];
10317 commentList[0] = NULL;
10320 currentMove = forwardMostMove = backwardMostMove = 0;
10322 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10324 initialRulePlies = FENrulePlies;
10325 for( i=0; i< nrCastlingRights; i++ )
10326 initialRights[i] = initial_position[CASTLING][i];
10328 yyboardindex = forwardMostMove;
10329 free(gameInfo.fen);
10330 gameInfo.fen = NULL;
10333 yyboardindex = forwardMostMove;
10334 cm = (ChessMove) yylex();
10336 /* Handle comments interspersed among the tags */
10337 while (cm == Comment) {
10339 if (appData.debugMode)
10340 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10342 AppendComment(currentMove, p, FALSE);
10343 yyboardindex = forwardMostMove;
10344 cm = (ChessMove) yylex();
10348 /* don't rely on existence of Event tag since if game was
10349 * pasted from clipboard the Event tag may not exist
10351 if (numPGNTags > 0){
10353 if (gameInfo.variant == VariantNormal) {
10354 VariantClass v = StringToVariant(gameInfo.event);
10355 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10356 if(v < VariantShogi) gameInfo.variant = v;
10359 if( appData.autoDisplayTags ) {
10360 tags = PGNTags(&gameInfo);
10361 TagsPopUp(tags, CmailMsg());
10366 /* Make something up, but don't display it now */
10371 if (cm == PositionDiagram) {
10374 Board initial_position;
10376 if (appData.debugMode)
10377 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10379 if (!startedFromSetupPosition) {
10381 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10382 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10392 initial_position[i][j++] = CharToPiece(*p);
10395 while (*p == ' ' || *p == '\t' ||
10396 *p == '\n' || *p == '\r') p++;
10398 if (strncmp(p, "black", strlen("black"))==0)
10399 blackPlaysFirst = TRUE;
10401 blackPlaysFirst = FALSE;
10402 startedFromSetupPosition = TRUE;
10404 CopyBoard(boards[0], initial_position);
10405 if (blackPlaysFirst) {
10406 currentMove = forwardMostMove = backwardMostMove = 1;
10407 CopyBoard(boards[1], initial_position);
10408 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10409 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10410 timeRemaining[0][1] = whiteTimeRemaining;
10411 timeRemaining[1][1] = blackTimeRemaining;
10412 if (commentList[0] != NULL) {
10413 commentList[1] = commentList[0];
10414 commentList[0] = NULL;
10417 currentMove = forwardMostMove = backwardMostMove = 0;
10420 yyboardindex = forwardMostMove;
10421 cm = (ChessMove) yylex();
10424 if (first.pr == NoProc) {
10425 StartChessProgram(&first);
10427 InitChessProgram(&first, FALSE);
10428 SendToProgram("force\n", &first);
10429 if (startedFromSetupPosition) {
10430 SendBoard(&first, forwardMostMove);
10431 if (appData.debugMode) {
10432 fprintf(debugFP, "Load Game\n");
10434 DisplayBothClocks();
10437 /* [HGM] server: flag to write setup moves in broadcast file as one */
10438 loadFlag = appData.suppressLoadMoves;
10440 while (cm == Comment) {
10442 if (appData.debugMode)
10443 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10445 AppendComment(currentMove, p, FALSE);
10446 yyboardindex = forwardMostMove;
10447 cm = (ChessMove) yylex();
10450 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10451 cm == WhiteWins || cm == BlackWins ||
10452 cm == GameIsDrawn || cm == GameUnfinished) {
10453 DisplayMessage("", _("No moves in game"));
10454 if (cmailMsgLoaded) {
10455 if (appData.debugMode)
10456 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10460 DrawPosition(FALSE, boards[currentMove]);
10461 DisplayBothClocks();
10462 gameMode = EditGame;
10469 // [HGM] PV info: routine tests if comment empty
10470 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10471 DisplayComment(currentMove - 1, commentList[currentMove]);
10473 if (!matchMode && appData.timeDelay != 0)
10474 DrawPosition(FALSE, boards[currentMove]);
10476 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10477 programStats.ok_to_send = 1;
10480 /* if the first token after the PGN tags is a move
10481 * and not move number 1, retrieve it from the parser
10483 if (cm != MoveNumberOne)
10484 LoadGameOneMove(cm);
10486 /* load the remaining moves from the file */
10487 while (LoadGameOneMove(EndOfFile)) {
10488 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10489 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10492 /* rewind to the start of the game */
10493 currentMove = backwardMostMove;
10495 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10497 if (oldGameMode == AnalyzeFile ||
10498 oldGameMode == AnalyzeMode) {
10499 AnalyzeFileEvent();
10502 if (matchMode || appData.timeDelay == 0) {
10504 gameMode = EditGame;
10506 } else if (appData.timeDelay > 0) {
10507 AutoPlayGameLoop();
10510 if (appData.debugMode)
10511 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10513 loadFlag = 0; /* [HGM] true game starts */
10517 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10519 ReloadPosition(offset)
10522 int positionNumber = lastLoadPositionNumber + offset;
10523 if (lastLoadPositionFP == NULL) {
10524 DisplayError(_("No position has been loaded yet"), 0);
10527 if (positionNumber <= 0) {
10528 DisplayError(_("Can't back up any further"), 0);
10531 return LoadPosition(lastLoadPositionFP, positionNumber,
10532 lastLoadPositionTitle);
10535 /* Load the nth position from the given file */
10537 LoadPositionFromFile(filename, n, title)
10545 if (strcmp(filename, "-") == 0) {
10546 return LoadPosition(stdin, n, "stdin");
10548 f = fopen(filename, "rb");
10550 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10551 DisplayError(buf, errno);
10554 return LoadPosition(f, n, title);
10559 /* Load the nth position from the given open file, and close it */
10561 LoadPosition(f, positionNumber, title)
10563 int positionNumber;
10566 char *p, line[MSG_SIZ];
10567 Board initial_position;
10568 int i, j, fenMode, pn;
10570 if (gameMode == Training )
10571 SetTrainingModeOff();
10573 if (gameMode != BeginningOfGame) {
10574 Reset(FALSE, TRUE);
10576 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10577 fclose(lastLoadPositionFP);
10579 if (positionNumber == 0) positionNumber = 1;
10580 lastLoadPositionFP = f;
10581 lastLoadPositionNumber = positionNumber;
10582 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10583 if (first.pr == NoProc) {
10584 StartChessProgram(&first);
10585 InitChessProgram(&first, FALSE);
10587 pn = positionNumber;
10588 if (positionNumber < 0) {
10589 /* Negative position number means to seek to that byte offset */
10590 if (fseek(f, -positionNumber, 0) == -1) {
10591 DisplayError(_("Can't seek on position file"), 0);
10596 if (fseek(f, 0, 0) == -1) {
10597 if (f == lastLoadPositionFP ?
10598 positionNumber == lastLoadPositionNumber + 1 :
10599 positionNumber == 1) {
10602 DisplayError(_("Can't seek on position file"), 0);
10607 /* See if this file is FEN or old-style xboard */
10608 if (fgets(line, MSG_SIZ, f) == NULL) {
10609 DisplayError(_("Position not found in file"), 0);
10612 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10613 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10616 if (fenMode || line[0] == '#') pn--;
10618 /* skip positions before number pn */
10619 if (fgets(line, MSG_SIZ, f) == NULL) {
10621 DisplayError(_("Position not found in file"), 0);
10624 if (fenMode || line[0] == '#') pn--;
10629 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10630 DisplayError(_("Bad FEN position in file"), 0);
10634 (void) fgets(line, MSG_SIZ, f);
10635 (void) fgets(line, MSG_SIZ, f);
10637 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10638 (void) fgets(line, MSG_SIZ, f);
10639 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10642 initial_position[i][j++] = CharToPiece(*p);
10646 blackPlaysFirst = FALSE;
10648 (void) fgets(line, MSG_SIZ, f);
10649 if (strncmp(line, "black", strlen("black"))==0)
10650 blackPlaysFirst = TRUE;
10653 startedFromSetupPosition = TRUE;
10655 SendToProgram("force\n", &first);
10656 CopyBoard(boards[0], initial_position);
10657 if (blackPlaysFirst) {
10658 currentMove = forwardMostMove = backwardMostMove = 1;
10659 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10660 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10661 CopyBoard(boards[1], initial_position);
10662 DisplayMessage("", _("Black to play"));
10664 currentMove = forwardMostMove = backwardMostMove = 0;
10665 DisplayMessage("", _("White to play"));
10667 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10668 SendBoard(&first, forwardMostMove);
10669 if (appData.debugMode) {
10671 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10672 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10673 fprintf(debugFP, "Load Position\n");
10676 if (positionNumber > 1) {
10677 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10678 DisplayTitle(line);
10680 DisplayTitle(title);
10682 gameMode = EditGame;
10685 timeRemaining[0][1] = whiteTimeRemaining;
10686 timeRemaining[1][1] = blackTimeRemaining;
10687 DrawPosition(FALSE, boards[currentMove]);
10694 CopyPlayerNameIntoFileName(dest, src)
10697 while (*src != NULLCHAR && *src != ',') {
10702 *(*dest)++ = *src++;
10707 char *DefaultFileName(ext)
10710 static char def[MSG_SIZ];
10713 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10715 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10717 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10719 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10726 /* Save the current game to the given file */
10728 SaveGameToFile(filename, append)
10735 if (strcmp(filename, "-") == 0) {
10736 return SaveGame(stdout, 0, NULL);
10738 f = fopen(filename, append ? "a" : "w");
10740 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10741 DisplayError(buf, errno);
10744 return SaveGame(f, 0, NULL);
10753 static char buf[MSG_SIZ];
10756 p = strchr(str, ' ');
10757 if (p == NULL) return str;
10758 strncpy(buf, str, p - str);
10759 buf[p - str] = NULLCHAR;
10763 #define PGN_MAX_LINE 75
10765 #define PGN_SIDE_WHITE 0
10766 #define PGN_SIDE_BLACK 1
10769 static int FindFirstMoveOutOfBook( int side )
10773 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10774 int index = backwardMostMove;
10775 int has_book_hit = 0;
10777 if( (index % 2) != side ) {
10781 while( index < forwardMostMove ) {
10782 /* Check to see if engine is in book */
10783 int depth = pvInfoList[index].depth;
10784 int score = pvInfoList[index].score;
10790 else if( score == 0 && depth == 63 ) {
10791 in_book = 1; /* Zappa */
10793 else if( score == 2 && depth == 99 ) {
10794 in_book = 1; /* Abrok */
10797 has_book_hit += in_book;
10813 void GetOutOfBookInfo( char * buf )
10817 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10819 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10820 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10824 if( oob[0] >= 0 || oob[1] >= 0 ) {
10825 for( i=0; i<2; i++ ) {
10829 if( i > 0 && oob[0] >= 0 ) {
10830 strcat( buf, " " );
10833 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10834 sprintf( buf+strlen(buf), "%s%.2f",
10835 pvInfoList[idx].score >= 0 ? "+" : "",
10836 pvInfoList[idx].score / 100.0 );
10842 /* Save game in PGN style and close the file */
10847 int i, offset, linelen, newblock;
10851 int movelen, numlen, blank;
10852 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10854 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10856 tm = time((time_t *) NULL);
10858 PrintPGNTags(f, &gameInfo);
10860 if (backwardMostMove > 0 || startedFromSetupPosition) {
10861 char *fen = PositionToFEN(backwardMostMove, NULL);
10862 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10863 fprintf(f, "\n{--------------\n");
10864 PrintPosition(f, backwardMostMove);
10865 fprintf(f, "--------------}\n");
10869 /* [AS] Out of book annotation */
10870 if( appData.saveOutOfBookInfo ) {
10873 GetOutOfBookInfo( buf );
10875 if( buf[0] != '\0' ) {
10876 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10883 i = backwardMostMove;
10887 while (i < forwardMostMove) {
10888 /* Print comments preceding this move */
10889 if (commentList[i] != NULL) {
10890 if (linelen > 0) fprintf(f, "\n");
10891 fprintf(f, "%s", commentList[i]);
10896 /* Format move number */
10898 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10901 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10903 numtext[0] = NULLCHAR;
10905 numlen = strlen(numtext);
10908 /* Print move number */
10909 blank = linelen > 0 && numlen > 0;
10910 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10919 fprintf(f, "%s", numtext);
10923 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10924 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10927 blank = linelen > 0 && movelen > 0;
10928 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10937 fprintf(f, "%s", move_buffer);
10938 linelen += movelen;
10940 /* [AS] Add PV info if present */
10941 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10942 /* [HGM] add time */
10943 char buf[MSG_SIZ]; int seconds;
10945 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10951 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10954 seconds = (seconds + 4)/10; // round to full seconds
10956 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10958 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10961 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10962 pvInfoList[i].score >= 0 ? "+" : "",
10963 pvInfoList[i].score / 100.0,
10964 pvInfoList[i].depth,
10967 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10969 /* Print score/depth */
10970 blank = linelen > 0 && movelen > 0;
10971 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10980 fprintf(f, "%s", move_buffer);
10981 linelen += movelen;
10987 /* Start a new line */
10988 if (linelen > 0) fprintf(f, "\n");
10990 /* Print comments after last move */
10991 if (commentList[i] != NULL) {
10992 fprintf(f, "%s\n", commentList[i]);
10996 if (gameInfo.resultDetails != NULL &&
10997 gameInfo.resultDetails[0] != NULLCHAR) {
10998 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10999 PGNResult(gameInfo.result));
11001 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11005 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11009 /* Save game in old style and close the file */
11011 SaveGameOldStyle(f)
11017 tm = time((time_t *) NULL);
11019 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11022 if (backwardMostMove > 0 || startedFromSetupPosition) {
11023 fprintf(f, "\n[--------------\n");
11024 PrintPosition(f, backwardMostMove);
11025 fprintf(f, "--------------]\n");
11030 i = backwardMostMove;
11031 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11033 while (i < forwardMostMove) {
11034 if (commentList[i] != NULL) {
11035 fprintf(f, "[%s]\n", commentList[i]);
11038 if ((i % 2) == 1) {
11039 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11042 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11044 if (commentList[i] != NULL) {
11048 if (i >= forwardMostMove) {
11052 fprintf(f, "%s\n", parseList[i]);
11057 if (commentList[i] != NULL) {
11058 fprintf(f, "[%s]\n", commentList[i]);
11061 /* This isn't really the old style, but it's close enough */
11062 if (gameInfo.resultDetails != NULL &&
11063 gameInfo.resultDetails[0] != NULLCHAR) {
11064 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11065 gameInfo.resultDetails);
11067 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11074 /* Save the current game to open file f and close the file */
11076 SaveGame(f, dummy, dummy2)
11081 if (gameMode == EditPosition) EditPositionDone(TRUE);
11082 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11083 if (appData.oldSaveStyle)
11084 return SaveGameOldStyle(f);
11086 return SaveGamePGN(f);
11089 /* Save the current position to the given file */
11091 SavePositionToFile(filename)
11097 if (strcmp(filename, "-") == 0) {
11098 return SavePosition(stdout, 0, NULL);
11100 f = fopen(filename, "a");
11102 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11103 DisplayError(buf, errno);
11106 SavePosition(f, 0, NULL);
11112 /* Save the current position to the given open file and close the file */
11114 SavePosition(f, dummy, dummy2)
11122 if (gameMode == EditPosition) EditPositionDone(TRUE);
11123 if (appData.oldSaveStyle) {
11124 tm = time((time_t *) NULL);
11126 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11128 fprintf(f, "[--------------\n");
11129 PrintPosition(f, currentMove);
11130 fprintf(f, "--------------]\n");
11132 fen = PositionToFEN(currentMove, NULL);
11133 fprintf(f, "%s\n", fen);
11141 ReloadCmailMsgEvent(unregister)
11145 static char *inFilename = NULL;
11146 static char *outFilename;
11148 struct stat inbuf, outbuf;
11151 /* Any registered moves are unregistered if unregister is set, */
11152 /* i.e. invoked by the signal handler */
11154 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11155 cmailMoveRegistered[i] = FALSE;
11156 if (cmailCommentList[i] != NULL) {
11157 free(cmailCommentList[i]);
11158 cmailCommentList[i] = NULL;
11161 nCmailMovesRegistered = 0;
11164 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11165 cmailResult[i] = CMAIL_NOT_RESULT;
11169 if (inFilename == NULL) {
11170 /* Because the filenames are static they only get malloced once */
11171 /* and they never get freed */
11172 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11173 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11175 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11176 sprintf(outFilename, "%s.out", appData.cmailGameName);
11179 status = stat(outFilename, &outbuf);
11181 cmailMailedMove = FALSE;
11183 status = stat(inFilename, &inbuf);
11184 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11187 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11188 counts the games, notes how each one terminated, etc.
11190 It would be nice to remove this kludge and instead gather all
11191 the information while building the game list. (And to keep it
11192 in the game list nodes instead of having a bunch of fixed-size
11193 parallel arrays.) Note this will require getting each game's
11194 termination from the PGN tags, as the game list builder does
11195 not process the game moves. --mann
11197 cmailMsgLoaded = TRUE;
11198 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11200 /* Load first game in the file or popup game menu */
11201 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11203 #endif /* !WIN32 */
11211 char string[MSG_SIZ];
11213 if ( cmailMailedMove
11214 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11215 return TRUE; /* Allow free viewing */
11218 /* Unregister move to ensure that we don't leave RegisterMove */
11219 /* with the move registered when the conditions for registering no */
11221 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11222 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11223 nCmailMovesRegistered --;
11225 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11227 free(cmailCommentList[lastLoadGameNumber - 1]);
11228 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11232 if (cmailOldMove == -1) {
11233 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11237 if (currentMove > cmailOldMove + 1) {
11238 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11242 if (currentMove < cmailOldMove) {
11243 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11247 if (forwardMostMove > currentMove) {
11248 /* Silently truncate extra moves */
11252 if ( (currentMove == cmailOldMove + 1)
11253 || ( (currentMove == cmailOldMove)
11254 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11255 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11256 if (gameInfo.result != GameUnfinished) {
11257 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11260 if (commentList[currentMove] != NULL) {
11261 cmailCommentList[lastLoadGameNumber - 1]
11262 = StrSave(commentList[currentMove]);
11264 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11266 if (appData.debugMode)
11267 fprintf(debugFP, "Saving %s for game %d\n",
11268 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11270 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11272 f = fopen(string, "w");
11273 if (appData.oldSaveStyle) {
11274 SaveGameOldStyle(f); /* also closes the file */
11276 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11277 f = fopen(string, "w");
11278 SavePosition(f, 0, NULL); /* also closes the file */
11280 fprintf(f, "{--------------\n");
11281 PrintPosition(f, currentMove);
11282 fprintf(f, "--------------}\n\n");
11284 SaveGame(f, 0, NULL); /* also closes the file*/
11287 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11288 nCmailMovesRegistered ++;
11289 } else if (nCmailGames == 1) {
11290 DisplayError(_("You have not made a move yet"), 0);
11301 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11302 FILE *commandOutput;
11303 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11304 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11310 if (! cmailMsgLoaded) {
11311 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11315 if (nCmailGames == nCmailResults) {
11316 DisplayError(_("No unfinished games"), 0);
11320 #if CMAIL_PROHIBIT_REMAIL
11321 if (cmailMailedMove) {
11322 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);
11323 DisplayError(msg, 0);
11328 if (! (cmailMailedMove || RegisterMove())) return;
11330 if ( cmailMailedMove
11331 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11332 snprintf(string, MSG_SIZ, partCommandString,
11333 appData.debugMode ? " -v" : "", appData.cmailGameName);
11334 commandOutput = popen(string, "r");
11336 if (commandOutput == NULL) {
11337 DisplayError(_("Failed to invoke cmail"), 0);
11339 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11340 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11342 if (nBuffers > 1) {
11343 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11344 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11345 nBytes = MSG_SIZ - 1;
11347 (void) memcpy(msg, buffer, nBytes);
11349 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11351 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11352 cmailMailedMove = TRUE; /* Prevent >1 moves */
11355 for (i = 0; i < nCmailGames; i ++) {
11356 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11361 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11363 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11365 appData.cmailGameName,
11367 LoadGameFromFile(buffer, 1, buffer, FALSE);
11368 cmailMsgLoaded = FALSE;
11372 DisplayInformation(msg);
11373 pclose(commandOutput);
11376 if ((*cmailMsg) != '\0') {
11377 DisplayInformation(cmailMsg);
11382 #endif /* !WIN32 */
11391 int prependComma = 0;
11393 char string[MSG_SIZ]; /* Space for game-list */
11396 if (!cmailMsgLoaded) return "";
11398 if (cmailMailedMove) {
11399 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11401 /* Create a list of games left */
11402 snprintf(string, MSG_SIZ, "[");
11403 for (i = 0; i < nCmailGames; i ++) {
11404 if (! ( cmailMoveRegistered[i]
11405 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11406 if (prependComma) {
11407 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11409 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11413 strcat(string, number);
11416 strcat(string, "]");
11418 if (nCmailMovesRegistered + nCmailResults == 0) {
11419 switch (nCmailGames) {
11421 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11425 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11429 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11434 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11436 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11441 if (nCmailResults == nCmailGames) {
11442 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11444 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11449 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11461 if (gameMode == Training)
11462 SetTrainingModeOff();
11465 cmailMsgLoaded = FALSE;
11466 if (appData.icsActive) {
11467 SendToICS(ics_prefix);
11468 SendToICS("refresh\n");
11478 /* Give up on clean exit */
11482 /* Keep trying for clean exit */
11486 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11488 if (telnetISR != NULL) {
11489 RemoveInputSource(telnetISR);
11491 if (icsPR != NoProc) {
11492 DestroyChildProcess(icsPR, TRUE);
11495 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11496 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11498 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11499 /* make sure this other one finishes before killing it! */
11500 if(endingGame) { int count = 0;
11501 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11502 while(endingGame && count++ < 10) DoSleep(1);
11503 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11506 /* Kill off chess programs */
11507 if (first.pr != NoProc) {
11510 DoSleep( appData.delayBeforeQuit );
11511 SendToProgram("quit\n", &first);
11512 DoSleep( appData.delayAfterQuit );
11513 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11515 if (second.pr != NoProc) {
11516 DoSleep( appData.delayBeforeQuit );
11517 SendToProgram("quit\n", &second);
11518 DoSleep( appData.delayAfterQuit );
11519 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11521 if (first.isr != NULL) {
11522 RemoveInputSource(first.isr);
11524 if (second.isr != NULL) {
11525 RemoveInputSource(second.isr);
11528 ShutDownFrontEnd();
11535 if (appData.debugMode)
11536 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11540 if (gameMode == MachinePlaysWhite ||
11541 gameMode == MachinePlaysBlack) {
11544 DisplayBothClocks();
11546 if (gameMode == PlayFromGameFile) {
11547 if (appData.timeDelay >= 0)
11548 AutoPlayGameLoop();
11549 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11550 Reset(FALSE, TRUE);
11551 SendToICS(ics_prefix);
11552 SendToICS("refresh\n");
11553 } else if (currentMove < forwardMostMove) {
11554 ForwardInner(forwardMostMove);
11556 pauseExamInvalid = FALSE;
11558 switch (gameMode) {
11562 pauseExamForwardMostMove = forwardMostMove;
11563 pauseExamInvalid = FALSE;
11566 case IcsPlayingWhite:
11567 case IcsPlayingBlack:
11571 case PlayFromGameFile:
11572 (void) StopLoadGameTimer();
11576 case BeginningOfGame:
11577 if (appData.icsActive) return;
11578 /* else fall through */
11579 case MachinePlaysWhite:
11580 case MachinePlaysBlack:
11581 case TwoMachinesPlay:
11582 if (forwardMostMove == 0)
11583 return; /* don't pause if no one has moved */
11584 if ((gameMode == MachinePlaysWhite &&
11585 !WhiteOnMove(forwardMostMove)) ||
11586 (gameMode == MachinePlaysBlack &&
11587 WhiteOnMove(forwardMostMove))) {
11600 char title[MSG_SIZ];
11602 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11603 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11605 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11606 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11607 parseList[currentMove - 1]);
11610 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11617 char *tags = PGNTags(&gameInfo);
11618 EditTagsPopUp(tags);
11625 if (appData.noChessProgram || gameMode == AnalyzeMode)
11628 if (gameMode != AnalyzeFile) {
11629 if (!appData.icsEngineAnalyze) {
11631 if (gameMode != EditGame) return;
11633 ResurrectChessProgram();
11634 SendToProgram("analyze\n", &first);
11635 first.analyzing = TRUE;
11636 /*first.maybeThinking = TRUE;*/
11637 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11638 EngineOutputPopUp();
11640 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11645 StartAnalysisClock();
11646 GetTimeMark(&lastNodeCountTime);
11653 if (appData.noChessProgram || gameMode == AnalyzeFile)
11656 if (gameMode != AnalyzeMode) {
11658 if (gameMode != EditGame) return;
11659 ResurrectChessProgram();
11660 SendToProgram("analyze\n", &first);
11661 first.analyzing = TRUE;
11662 /*first.maybeThinking = TRUE;*/
11663 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11664 EngineOutputPopUp();
11666 gameMode = AnalyzeFile;
11671 StartAnalysisClock();
11672 GetTimeMark(&lastNodeCountTime);
11677 MachineWhiteEvent()
11680 char *bookHit = NULL;
11682 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11686 if (gameMode == PlayFromGameFile ||
11687 gameMode == TwoMachinesPlay ||
11688 gameMode == Training ||
11689 gameMode == AnalyzeMode ||
11690 gameMode == EndOfGame)
11693 if (gameMode == EditPosition)
11694 EditPositionDone(TRUE);
11696 if (!WhiteOnMove(currentMove)) {
11697 DisplayError(_("It is not White's turn"), 0);
11701 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11704 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11705 gameMode == AnalyzeFile)
11708 ResurrectChessProgram(); /* in case it isn't running */
11709 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11710 gameMode = MachinePlaysWhite;
11713 gameMode = MachinePlaysWhite;
11717 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11719 if (first.sendName) {
11720 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11721 SendToProgram(buf, &first);
11723 if (first.sendTime) {
11724 if (first.useColors) {
11725 SendToProgram("black\n", &first); /*gnu kludge*/
11727 SendTimeRemaining(&first, TRUE);
11729 if (first.useColors) {
11730 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11732 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11733 SetMachineThinkingEnables();
11734 first.maybeThinking = TRUE;
11738 if (appData.autoFlipView && !flipView) {
11739 flipView = !flipView;
11740 DrawPosition(FALSE, NULL);
11741 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11744 if(bookHit) { // [HGM] book: simulate book reply
11745 static char bookMove[MSG_SIZ]; // a bit generous?
11747 programStats.nodes = programStats.depth = programStats.time =
11748 programStats.score = programStats.got_only_move = 0;
11749 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11751 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11752 strcat(bookMove, bookHit);
11753 HandleMachineMove(bookMove, &first);
11758 MachineBlackEvent()
11761 char *bookHit = NULL;
11763 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11767 if (gameMode == PlayFromGameFile ||
11768 gameMode == TwoMachinesPlay ||
11769 gameMode == Training ||
11770 gameMode == AnalyzeMode ||
11771 gameMode == EndOfGame)
11774 if (gameMode == EditPosition)
11775 EditPositionDone(TRUE);
11777 if (WhiteOnMove(currentMove)) {
11778 DisplayError(_("It is not Black's turn"), 0);
11782 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11785 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11786 gameMode == AnalyzeFile)
11789 ResurrectChessProgram(); /* in case it isn't running */
11790 gameMode = MachinePlaysBlack;
11794 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11796 if (first.sendName) {
11797 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11798 SendToProgram(buf, &first);
11800 if (first.sendTime) {
11801 if (first.useColors) {
11802 SendToProgram("white\n", &first); /*gnu kludge*/
11804 SendTimeRemaining(&first, FALSE);
11806 if (first.useColors) {
11807 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11809 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11810 SetMachineThinkingEnables();
11811 first.maybeThinking = TRUE;
11814 if (appData.autoFlipView && flipView) {
11815 flipView = !flipView;
11816 DrawPosition(FALSE, NULL);
11817 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11819 if(bookHit) { // [HGM] book: simulate book reply
11820 static char bookMove[MSG_SIZ]; // a bit generous?
11822 programStats.nodes = programStats.depth = programStats.time =
11823 programStats.score = programStats.got_only_move = 0;
11824 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11826 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11827 strcat(bookMove, bookHit);
11828 HandleMachineMove(bookMove, &first);
11834 DisplayTwoMachinesTitle()
11837 if (appData.matchGames > 0) {
11838 if (first.twoMachinesColor[0] == 'w') {
11839 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11840 gameInfo.white, gameInfo.black,
11841 first.matchWins, second.matchWins,
11842 matchGame - 1 - (first.matchWins + second.matchWins));
11844 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11845 gameInfo.white, gameInfo.black,
11846 second.matchWins, first.matchWins,
11847 matchGame - 1 - (first.matchWins + second.matchWins));
11850 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11856 TwoMachinesEvent P((void))
11860 ChessProgramState *onmove;
11861 char *bookHit = NULL;
11863 if (appData.noChessProgram) return;
11865 switch (gameMode) {
11866 case TwoMachinesPlay:
11868 case MachinePlaysWhite:
11869 case MachinePlaysBlack:
11870 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11871 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11875 case BeginningOfGame:
11876 case PlayFromGameFile:
11879 if (gameMode != EditGame) return;
11882 EditPositionDone(TRUE);
11893 // forwardMostMove = currentMove;
11894 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11895 ResurrectChessProgram(); /* in case first program isn't running */
11897 if (second.pr == NULL) {
11898 StartChessProgram(&second);
11899 if (second.protocolVersion == 1) {
11900 TwoMachinesEventIfReady();
11902 /* kludge: allow timeout for initial "feature" command */
11904 DisplayMessage("", _("Starting second chess program"));
11905 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11909 DisplayMessage("", "");
11910 InitChessProgram(&second, FALSE);
11911 SendToProgram("force\n", &second);
11912 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11913 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11916 if (startedFromSetupPosition) {
11917 SendBoard(&second, backwardMostMove);
11918 if (appData.debugMode) {
11919 fprintf(debugFP, "Two Machines\n");
11922 for (i = backwardMostMove; i < forwardMostMove; i++) {
11923 SendMoveToProgram(i, &second);
11926 gameMode = TwoMachinesPlay;
11930 DisplayTwoMachinesTitle();
11932 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11938 SendToProgram(first.computerString, &first);
11939 if (first.sendName) {
11940 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11941 SendToProgram(buf, &first);
11943 SendToProgram(second.computerString, &second);
11944 if (second.sendName) {
11945 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11946 SendToProgram(buf, &second);
11950 if (!first.sendTime || !second.sendTime) {
11951 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11952 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11954 if (onmove->sendTime) {
11955 if (onmove->useColors) {
11956 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11958 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11960 if (onmove->useColors) {
11961 SendToProgram(onmove->twoMachinesColor, onmove);
11963 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11964 // SendToProgram("go\n", onmove);
11965 onmove->maybeThinking = TRUE;
11966 SetMachineThinkingEnables();
11970 if(bookHit) { // [HGM] book: simulate book reply
11971 static char bookMove[MSG_SIZ]; // a bit generous?
11973 programStats.nodes = programStats.depth = programStats.time =
11974 programStats.score = programStats.got_only_move = 0;
11975 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11977 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11978 strcat(bookMove, bookHit);
11979 savedMessage = bookMove; // args for deferred call
11980 savedState = onmove;
11981 ScheduleDelayedEvent(DeferredBookMove, 1);
11988 if (gameMode == Training) {
11989 SetTrainingModeOff();
11990 gameMode = PlayFromGameFile;
11991 DisplayMessage("", _("Training mode off"));
11993 gameMode = Training;
11994 animateTraining = appData.animate;
11996 /* make sure we are not already at the end of the game */
11997 if (currentMove < forwardMostMove) {
11998 SetTrainingModeOn();
11999 DisplayMessage("", _("Training mode on"));
12001 gameMode = PlayFromGameFile;
12002 DisplayError(_("Already at end of game"), 0);
12011 if (!appData.icsActive) return;
12012 switch (gameMode) {
12013 case IcsPlayingWhite:
12014 case IcsPlayingBlack:
12017 case BeginningOfGame:
12025 EditPositionDone(TRUE);
12038 gameMode = IcsIdle;
12049 switch (gameMode) {
12051 SetTrainingModeOff();
12053 case MachinePlaysWhite:
12054 case MachinePlaysBlack:
12055 case BeginningOfGame:
12056 SendToProgram("force\n", &first);
12057 SetUserThinkingEnables();
12059 case PlayFromGameFile:
12060 (void) StopLoadGameTimer();
12061 if (gameFileFP != NULL) {
12066 EditPositionDone(TRUE);
12071 SendToProgram("force\n", &first);
12073 case TwoMachinesPlay:
12074 GameEnds(EndOfFile, NULL, GE_PLAYER);
12075 ResurrectChessProgram();
12076 SetUserThinkingEnables();
12079 ResurrectChessProgram();
12081 case IcsPlayingBlack:
12082 case IcsPlayingWhite:
12083 DisplayError(_("Warning: You are still playing a game"), 0);
12086 DisplayError(_("Warning: You are still observing a game"), 0);
12089 DisplayError(_("Warning: You are still examining a game"), 0);
12100 first.offeredDraw = second.offeredDraw = 0;
12102 if (gameMode == PlayFromGameFile) {
12103 whiteTimeRemaining = timeRemaining[0][currentMove];
12104 blackTimeRemaining = timeRemaining[1][currentMove];
12108 if (gameMode == MachinePlaysWhite ||
12109 gameMode == MachinePlaysBlack ||
12110 gameMode == TwoMachinesPlay ||
12111 gameMode == EndOfGame) {
12112 i = forwardMostMove;
12113 while (i > currentMove) {
12114 SendToProgram("undo\n", &first);
12117 whiteTimeRemaining = timeRemaining[0][currentMove];
12118 blackTimeRemaining = timeRemaining[1][currentMove];
12119 DisplayBothClocks();
12120 if (whiteFlag || blackFlag) {
12121 whiteFlag = blackFlag = 0;
12126 gameMode = EditGame;
12133 EditPositionEvent()
12135 if (gameMode == EditPosition) {
12141 if (gameMode != EditGame) return;
12143 gameMode = EditPosition;
12146 if (currentMove > 0)
12147 CopyBoard(boards[0], boards[currentMove]);
12149 blackPlaysFirst = !WhiteOnMove(currentMove);
12151 currentMove = forwardMostMove = backwardMostMove = 0;
12152 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12159 /* [DM] icsEngineAnalyze - possible call from other functions */
12160 if (appData.icsEngineAnalyze) {
12161 appData.icsEngineAnalyze = FALSE;
12163 DisplayMessage("",_("Close ICS engine analyze..."));
12165 if (first.analysisSupport && first.analyzing) {
12166 SendToProgram("exit\n", &first);
12167 first.analyzing = FALSE;
12169 thinkOutput[0] = NULLCHAR;
12173 EditPositionDone(Boolean fakeRights)
12175 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12177 startedFromSetupPosition = TRUE;
12178 InitChessProgram(&first, FALSE);
12179 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12180 boards[0][EP_STATUS] = EP_NONE;
12181 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12182 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12183 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12184 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12185 } else boards[0][CASTLING][2] = NoRights;
12186 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12187 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12188 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12189 } else boards[0][CASTLING][5] = NoRights;
12191 SendToProgram("force\n", &first);
12192 if (blackPlaysFirst) {
12193 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12194 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12195 currentMove = forwardMostMove = backwardMostMove = 1;
12196 CopyBoard(boards[1], boards[0]);
12198 currentMove = forwardMostMove = backwardMostMove = 0;
12200 SendBoard(&first, forwardMostMove);
12201 if (appData.debugMode) {
12202 fprintf(debugFP, "EditPosDone\n");
12205 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12206 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12207 gameMode = EditGame;
12209 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12210 ClearHighlights(); /* [AS] */
12213 /* Pause for `ms' milliseconds */
12214 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12224 } while (SubtractTimeMarks(&m2, &m1) < ms);
12227 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12229 SendMultiLineToICS(buf)
12232 char temp[MSG_SIZ+1], *p;
12239 strncpy(temp, buf, len);
12244 if (*p == '\n' || *p == '\r')
12249 strcat(temp, "\n");
12251 SendToPlayer(temp, strlen(temp));
12255 SetWhiteToPlayEvent()
12257 if (gameMode == EditPosition) {
12258 blackPlaysFirst = FALSE;
12259 DisplayBothClocks(); /* works because currentMove is 0 */
12260 } else if (gameMode == IcsExamining) {
12261 SendToICS(ics_prefix);
12262 SendToICS("tomove white\n");
12267 SetBlackToPlayEvent()
12269 if (gameMode == EditPosition) {
12270 blackPlaysFirst = TRUE;
12271 currentMove = 1; /* kludge */
12272 DisplayBothClocks();
12274 } else if (gameMode == IcsExamining) {
12275 SendToICS(ics_prefix);
12276 SendToICS("tomove black\n");
12281 EditPositionMenuEvent(selection, x, y)
12282 ChessSquare selection;
12286 ChessSquare piece = boards[0][y][x];
12288 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12290 switch (selection) {
12292 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12293 SendToICS(ics_prefix);
12294 SendToICS("bsetup clear\n");
12295 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12296 SendToICS(ics_prefix);
12297 SendToICS("clearboard\n");
12299 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12300 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12301 for (y = 0; y < BOARD_HEIGHT; y++) {
12302 if (gameMode == IcsExamining) {
12303 if (boards[currentMove][y][x] != EmptySquare) {
12304 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12309 boards[0][y][x] = p;
12314 if (gameMode == EditPosition) {
12315 DrawPosition(FALSE, boards[0]);
12320 SetWhiteToPlayEvent();
12324 SetBlackToPlayEvent();
12328 if (gameMode == IcsExamining) {
12329 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12330 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12333 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12334 if(x == BOARD_LEFT-2) {
12335 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12336 boards[0][y][1] = 0;
12338 if(x == BOARD_RGHT+1) {
12339 if(y >= gameInfo.holdingsSize) break;
12340 boards[0][y][BOARD_WIDTH-2] = 0;
12343 boards[0][y][x] = EmptySquare;
12344 DrawPosition(FALSE, boards[0]);
12349 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12350 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12351 selection = (ChessSquare) (PROMOTED piece);
12352 } else if(piece == EmptySquare) selection = WhiteSilver;
12353 else selection = (ChessSquare)((int)piece - 1);
12357 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12358 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12359 selection = (ChessSquare) (DEMOTED piece);
12360 } else if(piece == EmptySquare) selection = BlackSilver;
12361 else selection = (ChessSquare)((int)piece + 1);
12366 if(gameInfo.variant == VariantShatranj ||
12367 gameInfo.variant == VariantXiangqi ||
12368 gameInfo.variant == VariantCourier ||
12369 gameInfo.variant == VariantMakruk )
12370 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12375 if(gameInfo.variant == VariantXiangqi)
12376 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12377 if(gameInfo.variant == VariantKnightmate)
12378 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12381 if (gameMode == IcsExamining) {
12382 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12383 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12384 PieceToChar(selection), AAA + x, ONE + y);
12387 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12389 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12390 n = PieceToNumber(selection - BlackPawn);
12391 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12392 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12393 boards[0][BOARD_HEIGHT-1-n][1]++;
12395 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12396 n = PieceToNumber(selection);
12397 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12398 boards[0][n][BOARD_WIDTH-1] = selection;
12399 boards[0][n][BOARD_WIDTH-2]++;
12402 boards[0][y][x] = selection;
12403 DrawPosition(TRUE, boards[0]);
12411 DropMenuEvent(selection, x, y)
12412 ChessSquare selection;
12415 ChessMove moveType;
12417 switch (gameMode) {
12418 case IcsPlayingWhite:
12419 case MachinePlaysBlack:
12420 if (!WhiteOnMove(currentMove)) {
12421 DisplayMoveError(_("It is Black's turn"));
12424 moveType = WhiteDrop;
12426 case IcsPlayingBlack:
12427 case MachinePlaysWhite:
12428 if (WhiteOnMove(currentMove)) {
12429 DisplayMoveError(_("It is White's turn"));
12432 moveType = BlackDrop;
12435 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12441 if (moveType == BlackDrop && selection < BlackPawn) {
12442 selection = (ChessSquare) ((int) selection
12443 + (int) BlackPawn - (int) WhitePawn);
12445 if (boards[currentMove][y][x] != EmptySquare) {
12446 DisplayMoveError(_("That square is occupied"));
12450 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12456 /* Accept a pending offer of any kind from opponent */
12458 if (appData.icsActive) {
12459 SendToICS(ics_prefix);
12460 SendToICS("accept\n");
12461 } else if (cmailMsgLoaded) {
12462 if (currentMove == cmailOldMove &&
12463 commentList[cmailOldMove] != NULL &&
12464 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12465 "Black offers a draw" : "White offers a draw")) {
12467 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12468 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12470 DisplayError(_("There is no pending offer on this move"), 0);
12471 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12474 /* Not used for offers from chess program */
12481 /* Decline a pending offer of any kind from opponent */
12483 if (appData.icsActive) {
12484 SendToICS(ics_prefix);
12485 SendToICS("decline\n");
12486 } else if (cmailMsgLoaded) {
12487 if (currentMove == cmailOldMove &&
12488 commentList[cmailOldMove] != NULL &&
12489 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12490 "Black offers a draw" : "White offers a draw")) {
12492 AppendComment(cmailOldMove, "Draw declined", TRUE);
12493 DisplayComment(cmailOldMove - 1, "Draw declined");
12496 DisplayError(_("There is no pending offer on this move"), 0);
12499 /* Not used for offers from chess program */
12506 /* Issue ICS rematch command */
12507 if (appData.icsActive) {
12508 SendToICS(ics_prefix);
12509 SendToICS("rematch\n");
12516 /* Call your opponent's flag (claim a win on time) */
12517 if (appData.icsActive) {
12518 SendToICS(ics_prefix);
12519 SendToICS("flag\n");
12521 switch (gameMode) {
12524 case MachinePlaysWhite:
12527 GameEnds(GameIsDrawn, "Both players ran out of time",
12530 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12532 DisplayError(_("Your opponent is not out of time"), 0);
12535 case MachinePlaysBlack:
12538 GameEnds(GameIsDrawn, "Both players ran out of time",
12541 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12543 DisplayError(_("Your opponent is not out of time"), 0);
12553 /* Offer draw or accept pending draw offer from opponent */
12555 if (appData.icsActive) {
12556 /* Note: tournament rules require draw offers to be
12557 made after you make your move but before you punch
12558 your clock. Currently ICS doesn't let you do that;
12559 instead, you immediately punch your clock after making
12560 a move, but you can offer a draw at any time. */
12562 SendToICS(ics_prefix);
12563 SendToICS("draw\n");
12564 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12565 } else if (cmailMsgLoaded) {
12566 if (currentMove == cmailOldMove &&
12567 commentList[cmailOldMove] != NULL &&
12568 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12569 "Black offers a draw" : "White offers a draw")) {
12570 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12571 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12572 } else if (currentMove == cmailOldMove + 1) {
12573 char *offer = WhiteOnMove(cmailOldMove) ?
12574 "White offers a draw" : "Black offers a draw";
12575 AppendComment(currentMove, offer, TRUE);
12576 DisplayComment(currentMove - 1, offer);
12577 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12579 DisplayError(_("You must make your move before offering a draw"), 0);
12580 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12582 } else if (first.offeredDraw) {
12583 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12585 if (first.sendDrawOffers) {
12586 SendToProgram("draw\n", &first);
12587 userOfferedDraw = TRUE;
12595 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12597 if (appData.icsActive) {
12598 SendToICS(ics_prefix);
12599 SendToICS("adjourn\n");
12601 /* Currently GNU Chess doesn't offer or accept Adjourns */
12609 /* Offer Abort or accept pending Abort offer from opponent */
12611 if (appData.icsActive) {
12612 SendToICS(ics_prefix);
12613 SendToICS("abort\n");
12615 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12622 /* Resign. You can do this even if it's not your turn. */
12624 if (appData.icsActive) {
12625 SendToICS(ics_prefix);
12626 SendToICS("resign\n");
12628 switch (gameMode) {
12629 case MachinePlaysWhite:
12630 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12632 case MachinePlaysBlack:
12633 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12636 if (cmailMsgLoaded) {
12638 if (WhiteOnMove(cmailOldMove)) {
12639 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12641 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12643 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12654 StopObservingEvent()
12656 /* Stop observing current games */
12657 SendToICS(ics_prefix);
12658 SendToICS("unobserve\n");
12662 StopExaminingEvent()
12664 /* Stop observing current game */
12665 SendToICS(ics_prefix);
12666 SendToICS("unexamine\n");
12670 ForwardInner(target)
12675 if (appData.debugMode)
12676 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12677 target, currentMove, forwardMostMove);
12679 if (gameMode == EditPosition)
12682 if (gameMode == PlayFromGameFile && !pausing)
12685 if (gameMode == IcsExamining && pausing)
12686 limit = pauseExamForwardMostMove;
12688 limit = forwardMostMove;
12690 if (target > limit) target = limit;
12692 if (target > 0 && moveList[target - 1][0]) {
12693 int fromX, fromY, toX, toY;
12694 toX = moveList[target - 1][2] - AAA;
12695 toY = moveList[target - 1][3] - ONE;
12696 if (moveList[target - 1][1] == '@') {
12697 if (appData.highlightLastMove) {
12698 SetHighlights(-1, -1, toX, toY);
12701 fromX = moveList[target - 1][0] - AAA;
12702 fromY = moveList[target - 1][1] - ONE;
12703 if (target == currentMove + 1) {
12704 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12706 if (appData.highlightLastMove) {
12707 SetHighlights(fromX, fromY, toX, toY);
12711 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12712 gameMode == Training || gameMode == PlayFromGameFile ||
12713 gameMode == AnalyzeFile) {
12714 while (currentMove < target) {
12715 SendMoveToProgram(currentMove++, &first);
12718 currentMove = target;
12721 if (gameMode == EditGame || gameMode == EndOfGame) {
12722 whiteTimeRemaining = timeRemaining[0][currentMove];
12723 blackTimeRemaining = timeRemaining[1][currentMove];
12725 DisplayBothClocks();
12726 DisplayMove(currentMove - 1);
12727 DrawPosition(FALSE, boards[currentMove]);
12728 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12729 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12730 DisplayComment(currentMove - 1, commentList[currentMove]);
12738 if (gameMode == IcsExamining && !pausing) {
12739 SendToICS(ics_prefix);
12740 SendToICS("forward\n");
12742 ForwardInner(currentMove + 1);
12749 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12750 /* to optimze, we temporarily turn off analysis mode while we feed
12751 * the remaining moves to the engine. Otherwise we get analysis output
12754 if (first.analysisSupport) {
12755 SendToProgram("exit\nforce\n", &first);
12756 first.analyzing = FALSE;
12760 if (gameMode == IcsExamining && !pausing) {
12761 SendToICS(ics_prefix);
12762 SendToICS("forward 999999\n");
12764 ForwardInner(forwardMostMove);
12767 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12768 /* we have fed all the moves, so reactivate analysis mode */
12769 SendToProgram("analyze\n", &first);
12770 first.analyzing = TRUE;
12771 /*first.maybeThinking = TRUE;*/
12772 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12777 BackwardInner(target)
12780 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12782 if (appData.debugMode)
12783 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12784 target, currentMove, forwardMostMove);
12786 if (gameMode == EditPosition) return;
12787 if (currentMove <= backwardMostMove) {
12789 DrawPosition(full_redraw, boards[currentMove]);
12792 if (gameMode == PlayFromGameFile && !pausing)
12795 if (moveList[target][0]) {
12796 int fromX, fromY, toX, toY;
12797 toX = moveList[target][2] - AAA;
12798 toY = moveList[target][3] - ONE;
12799 if (moveList[target][1] == '@') {
12800 if (appData.highlightLastMove) {
12801 SetHighlights(-1, -1, toX, toY);
12804 fromX = moveList[target][0] - AAA;
12805 fromY = moveList[target][1] - ONE;
12806 if (target == currentMove - 1) {
12807 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12809 if (appData.highlightLastMove) {
12810 SetHighlights(fromX, fromY, toX, toY);
12814 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12815 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12816 while (currentMove > target) {
12817 SendToProgram("undo\n", &first);
12821 currentMove = target;
12824 if (gameMode == EditGame || gameMode == EndOfGame) {
12825 whiteTimeRemaining = timeRemaining[0][currentMove];
12826 blackTimeRemaining = timeRemaining[1][currentMove];
12828 DisplayBothClocks();
12829 DisplayMove(currentMove - 1);
12830 DrawPosition(full_redraw, boards[currentMove]);
12831 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12832 // [HGM] PV info: routine tests if comment empty
12833 DisplayComment(currentMove - 1, commentList[currentMove]);
12839 if (gameMode == IcsExamining && !pausing) {
12840 SendToICS(ics_prefix);
12841 SendToICS("backward\n");
12843 BackwardInner(currentMove - 1);
12850 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12851 /* to optimize, we temporarily turn off analysis mode while we undo
12852 * all the moves. Otherwise we get analysis output after each undo.
12854 if (first.analysisSupport) {
12855 SendToProgram("exit\nforce\n", &first);
12856 first.analyzing = FALSE;
12860 if (gameMode == IcsExamining && !pausing) {
12861 SendToICS(ics_prefix);
12862 SendToICS("backward 999999\n");
12864 BackwardInner(backwardMostMove);
12867 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12868 /* we have fed all the moves, so reactivate analysis mode */
12869 SendToProgram("analyze\n", &first);
12870 first.analyzing = TRUE;
12871 /*first.maybeThinking = TRUE;*/
12872 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12879 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12880 if (to >= forwardMostMove) to = forwardMostMove;
12881 if (to <= backwardMostMove) to = backwardMostMove;
12882 if (to < currentMove) {
12890 RevertEvent(Boolean annotate)
12892 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12895 if (gameMode != IcsExamining) {
12896 DisplayError(_("You are not examining a game"), 0);
12900 DisplayError(_("You can't revert while pausing"), 0);
12903 SendToICS(ics_prefix);
12904 SendToICS("revert\n");
12910 switch (gameMode) {
12911 case MachinePlaysWhite:
12912 case MachinePlaysBlack:
12913 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12914 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12917 if (forwardMostMove < 2) return;
12918 currentMove = forwardMostMove = forwardMostMove - 2;
12919 whiteTimeRemaining = timeRemaining[0][currentMove];
12920 blackTimeRemaining = timeRemaining[1][currentMove];
12921 DisplayBothClocks();
12922 DisplayMove(currentMove - 1);
12923 ClearHighlights();/*!! could figure this out*/
12924 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12925 SendToProgram("remove\n", &first);
12926 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12929 case BeginningOfGame:
12933 case IcsPlayingWhite:
12934 case IcsPlayingBlack:
12935 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12936 SendToICS(ics_prefix);
12937 SendToICS("takeback 2\n");
12939 SendToICS(ics_prefix);
12940 SendToICS("takeback 1\n");
12949 ChessProgramState *cps;
12951 switch (gameMode) {
12952 case MachinePlaysWhite:
12953 if (!WhiteOnMove(forwardMostMove)) {
12954 DisplayError(_("It is your turn"), 0);
12959 case MachinePlaysBlack:
12960 if (WhiteOnMove(forwardMostMove)) {
12961 DisplayError(_("It is your turn"), 0);
12966 case TwoMachinesPlay:
12967 if (WhiteOnMove(forwardMostMove) ==
12968 (first.twoMachinesColor[0] == 'w')) {
12974 case BeginningOfGame:
12978 SendToProgram("?\n", cps);
12982 TruncateGameEvent()
12985 if (gameMode != EditGame) return;
12992 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12993 if (forwardMostMove > currentMove) {
12994 if (gameInfo.resultDetails != NULL) {
12995 free(gameInfo.resultDetails);
12996 gameInfo.resultDetails = NULL;
12997 gameInfo.result = GameUnfinished;
12999 forwardMostMove = currentMove;
13000 HistorySet(parseList, backwardMostMove, forwardMostMove,
13008 if (appData.noChessProgram) return;
13009 switch (gameMode) {
13010 case MachinePlaysWhite:
13011 if (WhiteOnMove(forwardMostMove)) {
13012 DisplayError(_("Wait until your turn"), 0);
13016 case BeginningOfGame:
13017 case MachinePlaysBlack:
13018 if (!WhiteOnMove(forwardMostMove)) {
13019 DisplayError(_("Wait until your turn"), 0);
13024 DisplayError(_("No hint available"), 0);
13027 SendToProgram("hint\n", &first);
13028 hintRequested = TRUE;
13034 if (appData.noChessProgram) return;
13035 switch (gameMode) {
13036 case MachinePlaysWhite:
13037 if (WhiteOnMove(forwardMostMove)) {
13038 DisplayError(_("Wait until your turn"), 0);
13042 case BeginningOfGame:
13043 case MachinePlaysBlack:
13044 if (!WhiteOnMove(forwardMostMove)) {
13045 DisplayError(_("Wait until your turn"), 0);
13050 EditPositionDone(TRUE);
13052 case TwoMachinesPlay:
13057 SendToProgram("bk\n", &first);
13058 bookOutput[0] = NULLCHAR;
13059 bookRequested = TRUE;
13065 char *tags = PGNTags(&gameInfo);
13066 TagsPopUp(tags, CmailMsg());
13070 /* end button procedures */
13073 PrintPosition(fp, move)
13079 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13080 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13081 char c = PieceToChar(boards[move][i][j]);
13082 fputc(c == 'x' ? '.' : c, fp);
13083 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13086 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13087 fprintf(fp, "white to play\n");
13089 fprintf(fp, "black to play\n");
13096 if (gameInfo.white != NULL) {
13097 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13103 /* Find last component of program's own name, using some heuristics */
13105 TidyProgramName(prog, host, buf)
13106 char *prog, *host, buf[MSG_SIZ];
13109 int local = (strcmp(host, "localhost") == 0);
13110 while (!local && (p = strchr(prog, ';')) != NULL) {
13112 while (*p == ' ') p++;
13115 if (*prog == '"' || *prog == '\'') {
13116 q = strchr(prog + 1, *prog);
13118 q = strchr(prog, ' ');
13120 if (q == NULL) q = prog + strlen(prog);
13122 while (p >= prog && *p != '/' && *p != '\\') p--;
13124 if(p == prog && *p == '"') p++;
13125 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13126 memcpy(buf, p, q - p);
13127 buf[q - p] = NULLCHAR;
13135 TimeControlTagValue()
13138 if (!appData.clockMode) {
13139 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13140 } else if (movesPerSession > 0) {
13141 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13142 } else if (timeIncrement == 0) {
13143 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13145 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13147 return StrSave(buf);
13153 /* This routine is used only for certain modes */
13154 VariantClass v = gameInfo.variant;
13155 ChessMove r = GameUnfinished;
13158 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13159 r = gameInfo.result;
13160 p = gameInfo.resultDetails;
13161 gameInfo.resultDetails = NULL;
13163 ClearGameInfo(&gameInfo);
13164 gameInfo.variant = v;
13166 switch (gameMode) {
13167 case MachinePlaysWhite:
13168 gameInfo.event = StrSave( appData.pgnEventHeader );
13169 gameInfo.site = StrSave(HostName());
13170 gameInfo.date = PGNDate();
13171 gameInfo.round = StrSave("-");
13172 gameInfo.white = StrSave(first.tidy);
13173 gameInfo.black = StrSave(UserName());
13174 gameInfo.timeControl = TimeControlTagValue();
13177 case MachinePlaysBlack:
13178 gameInfo.event = StrSave( appData.pgnEventHeader );
13179 gameInfo.site = StrSave(HostName());
13180 gameInfo.date = PGNDate();
13181 gameInfo.round = StrSave("-");
13182 gameInfo.white = StrSave(UserName());
13183 gameInfo.black = StrSave(first.tidy);
13184 gameInfo.timeControl = TimeControlTagValue();
13187 case TwoMachinesPlay:
13188 gameInfo.event = StrSave( appData.pgnEventHeader );
13189 gameInfo.site = StrSave(HostName());
13190 gameInfo.date = PGNDate();
13191 if (matchGame > 0) {
13193 snprintf(buf, MSG_SIZ, "%d", matchGame);
13194 gameInfo.round = StrSave(buf);
13196 gameInfo.round = StrSave("-");
13198 if (first.twoMachinesColor[0] == 'w') {
13199 gameInfo.white = StrSave(first.tidy);
13200 gameInfo.black = StrSave(second.tidy);
13202 gameInfo.white = StrSave(second.tidy);
13203 gameInfo.black = StrSave(first.tidy);
13205 gameInfo.timeControl = TimeControlTagValue();
13209 gameInfo.event = StrSave("Edited game");
13210 gameInfo.site = StrSave(HostName());
13211 gameInfo.date = PGNDate();
13212 gameInfo.round = StrSave("-");
13213 gameInfo.white = StrSave("-");
13214 gameInfo.black = StrSave("-");
13215 gameInfo.result = r;
13216 gameInfo.resultDetails = p;
13220 gameInfo.event = StrSave("Edited position");
13221 gameInfo.site = StrSave(HostName());
13222 gameInfo.date = PGNDate();
13223 gameInfo.round = StrSave("-");
13224 gameInfo.white = StrSave("-");
13225 gameInfo.black = StrSave("-");
13228 case IcsPlayingWhite:
13229 case IcsPlayingBlack:
13234 case PlayFromGameFile:
13235 gameInfo.event = StrSave("Game from non-PGN file");
13236 gameInfo.site = StrSave(HostName());
13237 gameInfo.date = PGNDate();
13238 gameInfo.round = StrSave("-");
13239 gameInfo.white = StrSave("?");
13240 gameInfo.black = StrSave("?");
13249 ReplaceComment(index, text)
13255 while (*text == '\n') text++;
13256 len = strlen(text);
13257 while (len > 0 && text[len - 1] == '\n') len--;
13259 if (commentList[index] != NULL)
13260 free(commentList[index]);
13263 commentList[index] = NULL;
13266 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13267 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13268 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13269 commentList[index] = (char *) malloc(len + 2);
13270 strncpy(commentList[index], text, len);
13271 commentList[index][len] = '\n';
13272 commentList[index][len + 1] = NULLCHAR;
13274 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13276 commentList[index] = (char *) malloc(len + 7);
13277 safeStrCpy(commentList[index], "{\n", 3);
13278 safeStrCpy(commentList[index]+2, text, len+1);
13279 commentList[index][len+2] = NULLCHAR;
13280 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13281 strcat(commentList[index], "\n}\n");
13295 if (ch == '\r') continue;
13297 } while (ch != '\0');
13301 AppendComment(index, text, addBraces)
13304 Boolean addBraces; // [HGM] braces: tells if we should add {}
13309 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13310 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13313 while (*text == '\n') text++;
13314 len = strlen(text);
13315 while (len > 0 && text[len - 1] == '\n') len--;
13317 if (len == 0) return;
13319 if (commentList[index] != NULL) {
13320 old = commentList[index];
13321 oldlen = strlen(old);
13322 while(commentList[index][oldlen-1] == '\n')
13323 commentList[index][--oldlen] = NULLCHAR;
13324 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13325 safeStrCpy(commentList[index], old, oldlen);
13327 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13328 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13329 if(addBraces) addBraces = FALSE; else { text++; len--; }
13330 while (*text == '\n') { text++; len--; }
13331 commentList[index][--oldlen] = NULLCHAR;
13333 if(addBraces) strcat(commentList[index], "\n{\n");
13334 else strcat(commentList[index], "\n");
13335 strcat(commentList[index], text);
13336 if(addBraces) strcat(commentList[index], "\n}\n");
13337 else strcat(commentList[index], "\n");
13339 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13341 safeStrCpy(commentList[index], "{\n", 3);
13342 else commentList[index][0] = NULLCHAR;
13343 strcat(commentList[index], text);
13344 strcat(commentList[index], "\n");
13345 if(addBraces) strcat(commentList[index], "}\n");
13349 static char * FindStr( char * text, char * sub_text )
13351 char * result = strstr( text, sub_text );
13353 if( result != NULL ) {
13354 result += strlen( sub_text );
13360 /* [AS] Try to extract PV info from PGN comment */
13361 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13362 char *GetInfoFromComment( int index, char * text )
13366 if( text != NULL && index > 0 ) {
13369 int time = -1, sec = 0, deci;
13370 char * s_eval = FindStr( text, "[%eval " );
13371 char * s_emt = FindStr( text, "[%emt " );
13373 if( s_eval != NULL || s_emt != NULL ) {
13377 if( s_eval != NULL ) {
13378 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13382 if( delim != ']' ) {
13387 if( s_emt != NULL ) {
13392 /* We expect something like: [+|-]nnn.nn/dd */
13395 if(*text != '{') return text; // [HGM] braces: must be normal comment
13397 sep = strchr( text, '/' );
13398 if( sep == NULL || sep < (text+4) ) {
13402 time = -1; sec = -1; deci = -1;
13403 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13404 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13405 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13406 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13410 if( score_lo < 0 || score_lo >= 100 ) {
13414 if(sec >= 0) time = 600*time + 10*sec; else
13415 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13417 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13419 /* [HGM] PV time: now locate end of PV info */
13420 while( *++sep >= '0' && *sep <= '9'); // strip depth
13422 while( *++sep >= '0' && *sep <= '9'); // strip time
13424 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13426 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13427 while(*sep == ' ') sep++;
13438 pvInfoList[index-1].depth = depth;
13439 pvInfoList[index-1].score = score;
13440 pvInfoList[index-1].time = 10*time; // centi-sec
13441 if(*sep == '}') *sep = 0; else *--sep = '{';
13447 SendToProgram(message, cps)
13449 ChessProgramState *cps;
13451 int count, outCount, error;
13454 if (cps->pr == NULL) return;
13457 if (appData.debugMode) {
13460 fprintf(debugFP, "%ld >%-6s: %s",
13461 SubtractTimeMarks(&now, &programStartTime),
13462 cps->which, message);
13465 count = strlen(message);
13466 outCount = OutputToProcess(cps->pr, message, count, &error);
13467 if (outCount < count && !exiting
13468 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13469 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13470 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13471 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13472 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13473 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13475 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13477 gameInfo.resultDetails = StrSave(buf);
13479 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13484 ReceiveFromProgram(isr, closure, message, count, error)
13485 InputSourceRef isr;
13493 ChessProgramState *cps = (ChessProgramState *)closure;
13495 if (isr != cps->isr) return; /* Killed intentionally */
13498 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13499 cps->which, cps->program);
13500 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13501 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13502 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13503 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13505 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13507 gameInfo.resultDetails = StrSave(buf);
13509 RemoveInputSource(cps->isr);
13510 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13512 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13513 cps->which, cps->program);
13514 RemoveInputSource(cps->isr);
13516 /* [AS] Program is misbehaving badly... kill it */
13517 if( count == -2 ) {
13518 DestroyChildProcess( cps->pr, 9 );
13522 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13527 if ((end_str = strchr(message, '\r')) != NULL)
13528 *end_str = NULLCHAR;
13529 if ((end_str = strchr(message, '\n')) != NULL)
13530 *end_str = NULLCHAR;
13532 if (appData.debugMode) {
13533 TimeMark now; int print = 1;
13534 char *quote = ""; char c; int i;
13536 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13537 char start = message[0];
13538 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13539 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13540 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13541 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13542 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13543 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13544 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13545 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13546 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13547 print = (appData.engineComments >= 2);
13549 message[0] = start; // restore original message
13553 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13554 SubtractTimeMarks(&now, &programStartTime), cps->which,
13560 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13561 if (appData.icsEngineAnalyze) {
13562 if (strstr(message, "whisper") != NULL ||
13563 strstr(message, "kibitz") != NULL ||
13564 strstr(message, "tellics") != NULL) return;
13567 HandleMachineMove(message, cps);
13572 SendTimeControl(cps, mps, tc, inc, sd, st)
13573 ChessProgramState *cps;
13574 int mps, inc, sd, st;
13580 if( timeControl_2 > 0 ) {
13581 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13582 tc = timeControl_2;
13585 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13586 inc /= cps->timeOdds;
13587 st /= cps->timeOdds;
13589 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13592 /* Set exact time per move, normally using st command */
13593 if (cps->stKludge) {
13594 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13596 if (seconds == 0) {
13597 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13599 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13602 snprintf(buf, MSG_SIZ, "st %d\n", st);
13605 /* Set conventional or incremental time control, using level command */
13606 if (seconds == 0) {
13607 /* Note old gnuchess bug -- minutes:seconds used to not work.
13608 Fixed in later versions, but still avoid :seconds
13609 when seconds is 0. */
13610 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13612 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13613 seconds, inc/1000.);
13616 SendToProgram(buf, cps);
13618 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13619 /* Orthogonally, limit search to given depth */
13621 if (cps->sdKludge) {
13622 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13624 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13626 SendToProgram(buf, cps);
13629 if(cps->nps > 0) { /* [HGM] nps */
13630 if(cps->supportsNPS == FALSE)
13631 cps->nps = -1; // don't use if engine explicitly says not supported!
13633 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13634 SendToProgram(buf, cps);
13639 ChessProgramState *WhitePlayer()
13640 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13642 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13643 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13649 SendTimeRemaining(cps, machineWhite)
13650 ChessProgramState *cps;
13651 int /*boolean*/ machineWhite;
13653 char message[MSG_SIZ];
13656 /* Note: this routine must be called when the clocks are stopped
13657 or when they have *just* been set or switched; otherwise
13658 it will be off by the time since the current tick started.
13660 if (machineWhite) {
13661 time = whiteTimeRemaining / 10;
13662 otime = blackTimeRemaining / 10;
13664 time = blackTimeRemaining / 10;
13665 otime = whiteTimeRemaining / 10;
13667 /* [HGM] translate opponent's time by time-odds factor */
13668 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13669 if (appData.debugMode) {
13670 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13673 if (time <= 0) time = 1;
13674 if (otime <= 0) otime = 1;
13676 snprintf(message, MSG_SIZ, "time %ld\n", time);
13677 SendToProgram(message, cps);
13679 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13680 SendToProgram(message, cps);
13684 BoolFeature(p, name, loc, cps)
13688 ChessProgramState *cps;
13691 int len = strlen(name);
13694 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13696 sscanf(*p, "%d", &val);
13698 while (**p && **p != ' ')
13700 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13701 SendToProgram(buf, cps);
13708 IntFeature(p, name, loc, cps)
13712 ChessProgramState *cps;
13715 int len = strlen(name);
13716 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13718 sscanf(*p, "%d", loc);
13719 while (**p && **p != ' ') (*p)++;
13720 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13721 SendToProgram(buf, cps);
13728 StringFeature(p, name, loc, cps)
13732 ChessProgramState *cps;
13735 int len = strlen(name);
13736 if (strncmp((*p), name, len) == 0
13737 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13739 sscanf(*p, "%[^\"]", loc);
13740 while (**p && **p != '\"') (*p)++;
13741 if (**p == '\"') (*p)++;
13742 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13743 SendToProgram(buf, cps);
13750 ParseOption(Option *opt, ChessProgramState *cps)
13751 // [HGM] options: process the string that defines an engine option, and determine
13752 // name, type, default value, and allowed value range
13754 char *p, *q, buf[MSG_SIZ];
13755 int n, min = (-1)<<31, max = 1<<31, def;
13757 if(p = strstr(opt->name, " -spin ")) {
13758 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13759 if(max < min) max = min; // enforce consistency
13760 if(def < min) def = min;
13761 if(def > max) def = max;
13766 } else if((p = strstr(opt->name, " -slider "))) {
13767 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13768 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13769 if(max < min) max = min; // enforce consistency
13770 if(def < min) def = min;
13771 if(def > max) def = max;
13775 opt->type = Spin; // Slider;
13776 } else if((p = strstr(opt->name, " -string "))) {
13777 opt->textValue = p+9;
13778 opt->type = TextBox;
13779 } else if((p = strstr(opt->name, " -file "))) {
13780 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13781 opt->textValue = p+7;
13782 opt->type = TextBox; // FileName;
13783 } else if((p = strstr(opt->name, " -path "))) {
13784 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13785 opt->textValue = p+7;
13786 opt->type = TextBox; // PathName;
13787 } else if(p = strstr(opt->name, " -check ")) {
13788 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13789 opt->value = (def != 0);
13790 opt->type = CheckBox;
13791 } else if(p = strstr(opt->name, " -combo ")) {
13792 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13793 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13794 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13795 opt->value = n = 0;
13796 while(q = StrStr(q, " /// ")) {
13797 n++; *q = 0; // count choices, and null-terminate each of them
13799 if(*q == '*') { // remember default, which is marked with * prefix
13803 cps->comboList[cps->comboCnt++] = q;
13805 cps->comboList[cps->comboCnt++] = NULL;
13807 opt->type = ComboBox;
13808 } else if(p = strstr(opt->name, " -button")) {
13809 opt->type = Button;
13810 } else if(p = strstr(opt->name, " -save")) {
13811 opt->type = SaveButton;
13812 } else return FALSE;
13813 *p = 0; // terminate option name
13814 // now look if the command-line options define a setting for this engine option.
13815 if(cps->optionSettings && cps->optionSettings[0])
13816 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13817 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13818 snprintf(buf, MSG_SIZ, "option %s", p);
13819 if(p = strstr(buf, ",")) *p = 0;
13820 if(q = strchr(buf, '=')) switch(opt->type) {
13822 for(n=0; n<opt->max; n++)
13823 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13826 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13830 opt->value = atoi(q+1);
13835 SendToProgram(buf, cps);
13841 FeatureDone(cps, val)
13842 ChessProgramState* cps;
13845 DelayedEventCallback cb = GetDelayedEvent();
13846 if ((cb == InitBackEnd3 && cps == &first) ||
13847 (cb == TwoMachinesEventIfReady && cps == &second)) {
13848 CancelDelayedEvent();
13849 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13851 cps->initDone = val;
13854 /* Parse feature command from engine */
13856 ParseFeatures(args, cps)
13858 ChessProgramState *cps;
13866 while (*p == ' ') p++;
13867 if (*p == NULLCHAR) return;
13869 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13870 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13871 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13872 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13873 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13874 if (BoolFeature(&p, "reuse", &val, cps)) {
13875 /* Engine can disable reuse, but can't enable it if user said no */
13876 if (!val) cps->reuse = FALSE;
13879 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13880 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13881 if (gameMode == TwoMachinesPlay) {
13882 DisplayTwoMachinesTitle();
13888 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13889 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13890 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13891 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13892 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13893 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13894 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13895 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13896 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13897 if (IntFeature(&p, "done", &val, cps)) {
13898 FeatureDone(cps, val);
13901 /* Added by Tord: */
13902 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13903 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13904 /* End of additions by Tord */
13906 /* [HGM] added features: */
13907 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13908 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13909 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13910 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13911 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13912 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13913 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13914 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13915 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13916 SendToProgram(buf, cps);
13919 if(cps->nrOptions >= MAX_OPTIONS) {
13921 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13922 DisplayError(buf, 0);
13926 /* End of additions by HGM */
13928 /* unknown feature: complain and skip */
13930 while (*q && *q != '=') q++;
13931 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13932 SendToProgram(buf, cps);
13938 while (*p && *p != '\"') p++;
13939 if (*p == '\"') p++;
13941 while (*p && *p != ' ') p++;
13949 PeriodicUpdatesEvent(newState)
13952 if (newState == appData.periodicUpdates)
13955 appData.periodicUpdates=newState;
13957 /* Display type changes, so update it now */
13958 // DisplayAnalysis();
13960 /* Get the ball rolling again... */
13962 AnalysisPeriodicEvent(1);
13963 StartAnalysisClock();
13968 PonderNextMoveEvent(newState)
13971 if (newState == appData.ponderNextMove) return;
13972 if (gameMode == EditPosition) EditPositionDone(TRUE);
13974 SendToProgram("hard\n", &first);
13975 if (gameMode == TwoMachinesPlay) {
13976 SendToProgram("hard\n", &second);
13979 SendToProgram("easy\n", &first);
13980 thinkOutput[0] = NULLCHAR;
13981 if (gameMode == TwoMachinesPlay) {
13982 SendToProgram("easy\n", &second);
13985 appData.ponderNextMove = newState;
13989 NewSettingEvent(option, feature, command, value)
13991 int option, value, *feature;
13995 if (gameMode == EditPosition) EditPositionDone(TRUE);
13996 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13997 if(feature == NULL || *feature) SendToProgram(buf, &first);
13998 if (gameMode == TwoMachinesPlay) {
13999 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14004 ShowThinkingEvent()
14005 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14007 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14008 int newState = appData.showThinking
14009 // [HGM] thinking: other features now need thinking output as well
14010 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14012 if (oldState == newState) return;
14013 oldState = newState;
14014 if (gameMode == EditPosition) EditPositionDone(TRUE);
14016 SendToProgram("post\n", &first);
14017 if (gameMode == TwoMachinesPlay) {
14018 SendToProgram("post\n", &second);
14021 SendToProgram("nopost\n", &first);
14022 thinkOutput[0] = NULLCHAR;
14023 if (gameMode == TwoMachinesPlay) {
14024 SendToProgram("nopost\n", &second);
14027 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14031 AskQuestionEvent(title, question, replyPrefix, which)
14032 char *title; char *question; char *replyPrefix; char *which;
14034 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14035 if (pr == NoProc) return;
14036 AskQuestion(title, question, replyPrefix, pr);
14040 DisplayMove(moveNumber)
14043 char message[MSG_SIZ];
14045 char cpThinkOutput[MSG_SIZ];
14047 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14049 if (moveNumber == forwardMostMove - 1 ||
14050 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14052 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14054 if (strchr(cpThinkOutput, '\n')) {
14055 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14058 *cpThinkOutput = NULLCHAR;
14061 /* [AS] Hide thinking from human user */
14062 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14063 *cpThinkOutput = NULLCHAR;
14064 if( thinkOutput[0] != NULLCHAR ) {
14067 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14068 cpThinkOutput[i] = '.';
14070 cpThinkOutput[i] = NULLCHAR;
14071 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14075 if (moveNumber == forwardMostMove - 1 &&
14076 gameInfo.resultDetails != NULL) {
14077 if (gameInfo.resultDetails[0] == NULLCHAR) {
14078 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14080 snprintf(res, MSG_SIZ, " {%s} %s",
14081 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14087 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14088 DisplayMessage(res, cpThinkOutput);
14090 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14091 WhiteOnMove(moveNumber) ? " " : ".. ",
14092 parseList[moveNumber], res);
14093 DisplayMessage(message, cpThinkOutput);
14098 DisplayComment(moveNumber, text)
14102 char title[MSG_SIZ];
14103 char buf[8000]; // comment can be long!
14106 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14107 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14109 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14110 WhiteOnMove(moveNumber) ? " " : ".. ",
14111 parseList[moveNumber]);
14113 // [HGM] PV info: display PV info together with (or as) comment
14114 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14115 if(text == NULL) text = "";
14116 score = pvInfoList[moveNumber].score;
14117 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14118 depth, (pvInfoList[moveNumber].time+50)/100, text);
14121 if (text != NULL && (appData.autoDisplayComment || commentUp))
14122 CommentPopUp(title, text);
14125 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14126 * might be busy thinking or pondering. It can be omitted if your
14127 * gnuchess is configured to stop thinking immediately on any user
14128 * input. However, that gnuchess feature depends on the FIONREAD
14129 * ioctl, which does not work properly on some flavors of Unix.
14133 ChessProgramState *cps;
14136 if (!cps->useSigint) return;
14137 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14138 switch (gameMode) {
14139 case MachinePlaysWhite:
14140 case MachinePlaysBlack:
14141 case TwoMachinesPlay:
14142 case IcsPlayingWhite:
14143 case IcsPlayingBlack:
14146 /* Skip if we know it isn't thinking */
14147 if (!cps->maybeThinking) return;
14148 if (appData.debugMode)
14149 fprintf(debugFP, "Interrupting %s\n", cps->which);
14150 InterruptChildProcess(cps->pr);
14151 cps->maybeThinking = FALSE;
14156 #endif /*ATTENTION*/
14162 if (whiteTimeRemaining <= 0) {
14165 if (appData.icsActive) {
14166 if (appData.autoCallFlag &&
14167 gameMode == IcsPlayingBlack && !blackFlag) {
14168 SendToICS(ics_prefix);
14169 SendToICS("flag\n");
14173 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14175 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14176 if (appData.autoCallFlag) {
14177 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14184 if (blackTimeRemaining <= 0) {
14187 if (appData.icsActive) {
14188 if (appData.autoCallFlag &&
14189 gameMode == IcsPlayingWhite && !whiteFlag) {
14190 SendToICS(ics_prefix);
14191 SendToICS("flag\n");
14195 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14197 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14198 if (appData.autoCallFlag) {
14199 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14212 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14213 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14216 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14218 if ( !WhiteOnMove(forwardMostMove) ) {
14219 /* White made time control */
14220 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14221 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14222 /* [HGM] time odds: correct new time quota for time odds! */
14223 / WhitePlayer()->timeOdds;
14224 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14226 lastBlack -= blackTimeRemaining;
14227 /* Black made time control */
14228 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14229 / WhitePlayer()->other->timeOdds;
14230 lastWhite = whiteTimeRemaining;
14235 DisplayBothClocks()
14237 int wom = gameMode == EditPosition ?
14238 !blackPlaysFirst : WhiteOnMove(currentMove);
14239 DisplayWhiteClock(whiteTimeRemaining, wom);
14240 DisplayBlackClock(blackTimeRemaining, !wom);
14244 /* Timekeeping seems to be a portability nightmare. I think everyone
14245 has ftime(), but I'm really not sure, so I'm including some ifdefs
14246 to use other calls if you don't. Clocks will be less accurate if
14247 you have neither ftime nor gettimeofday.
14250 /* VS 2008 requires the #include outside of the function */
14251 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14252 #include <sys/timeb.h>
14255 /* Get the current time as a TimeMark */
14260 #if HAVE_GETTIMEOFDAY
14262 struct timeval timeVal;
14263 struct timezone timeZone;
14265 gettimeofday(&timeVal, &timeZone);
14266 tm->sec = (long) timeVal.tv_sec;
14267 tm->ms = (int) (timeVal.tv_usec / 1000L);
14269 #else /*!HAVE_GETTIMEOFDAY*/
14272 // include <sys/timeb.h> / moved to just above start of function
14273 struct timeb timeB;
14276 tm->sec = (long) timeB.time;
14277 tm->ms = (int) timeB.millitm;
14279 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14280 tm->sec = (long) time(NULL);
14286 /* Return the difference in milliseconds between two
14287 time marks. We assume the difference will fit in a long!
14290 SubtractTimeMarks(tm2, tm1)
14291 TimeMark *tm2, *tm1;
14293 return 1000L*(tm2->sec - tm1->sec) +
14294 (long) (tm2->ms - tm1->ms);
14299 * Code to manage the game clocks.
14301 * In tournament play, black starts the clock and then white makes a move.
14302 * We give the human user a slight advantage if he is playing white---the
14303 * clocks don't run until he makes his first move, so it takes zero time.
14304 * Also, we don't account for network lag, so we could get out of sync
14305 * with GNU Chess's clock -- but then, referees are always right.
14308 static TimeMark tickStartTM;
14309 static long intendedTickLength;
14312 NextTickLength(timeRemaining)
14313 long timeRemaining;
14315 long nominalTickLength, nextTickLength;
14317 if (timeRemaining > 0L && timeRemaining <= 10000L)
14318 nominalTickLength = 100L;
14320 nominalTickLength = 1000L;
14321 nextTickLength = timeRemaining % nominalTickLength;
14322 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14324 return nextTickLength;
14327 /* Adjust clock one minute up or down */
14329 AdjustClock(Boolean which, int dir)
14331 if(which) blackTimeRemaining += 60000*dir;
14332 else whiteTimeRemaining += 60000*dir;
14333 DisplayBothClocks();
14336 /* Stop clocks and reset to a fresh time control */
14340 (void) StopClockTimer();
14341 if (appData.icsActive) {
14342 whiteTimeRemaining = blackTimeRemaining = 0;
14343 } else if (searchTime) {
14344 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14345 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14346 } else { /* [HGM] correct new time quote for time odds */
14347 whiteTC = blackTC = fullTimeControlString;
14348 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14349 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14351 if (whiteFlag || blackFlag) {
14353 whiteFlag = blackFlag = FALSE;
14355 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14356 DisplayBothClocks();
14359 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14361 /* Decrement running clock by amount of time that has passed */
14365 long timeRemaining;
14366 long lastTickLength, fudge;
14369 if (!appData.clockMode) return;
14370 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14374 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14376 /* Fudge if we woke up a little too soon */
14377 fudge = intendedTickLength - lastTickLength;
14378 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14380 if (WhiteOnMove(forwardMostMove)) {
14381 if(whiteNPS >= 0) lastTickLength = 0;
14382 timeRemaining = whiteTimeRemaining -= lastTickLength;
14383 if(timeRemaining < 0 && !appData.icsActive) {
14384 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14385 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14386 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14387 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14390 DisplayWhiteClock(whiteTimeRemaining - fudge,
14391 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14393 if(blackNPS >= 0) lastTickLength = 0;
14394 timeRemaining = blackTimeRemaining -= lastTickLength;
14395 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14396 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14398 blackStartMove = forwardMostMove;
14399 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14402 DisplayBlackClock(blackTimeRemaining - fudge,
14403 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14405 if (CheckFlags()) return;
14408 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14409 StartClockTimer(intendedTickLength);
14411 /* if the time remaining has fallen below the alarm threshold, sound the
14412 * alarm. if the alarm has sounded and (due to a takeback or time control
14413 * with increment) the time remaining has increased to a level above the
14414 * threshold, reset the alarm so it can sound again.
14417 if (appData.icsActive && appData.icsAlarm) {
14419 /* make sure we are dealing with the user's clock */
14420 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14421 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14424 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14425 alarmSounded = FALSE;
14426 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14428 alarmSounded = TRUE;
14434 /* A player has just moved, so stop the previously running
14435 clock and (if in clock mode) start the other one.
14436 We redisplay both clocks in case we're in ICS mode, because
14437 ICS gives us an update to both clocks after every move.
14438 Note that this routine is called *after* forwardMostMove
14439 is updated, so the last fractional tick must be subtracted
14440 from the color that is *not* on move now.
14443 SwitchClocks(int newMoveNr)
14445 long lastTickLength;
14447 int flagged = FALSE;
14451 if (StopClockTimer() && appData.clockMode) {
14452 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14453 if (!WhiteOnMove(forwardMostMove)) {
14454 if(blackNPS >= 0) lastTickLength = 0;
14455 blackTimeRemaining -= lastTickLength;
14456 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14457 // if(pvInfoList[forwardMostMove-1].time == -1)
14458 pvInfoList[forwardMostMove-1].time = // use GUI time
14459 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14461 if(whiteNPS >= 0) lastTickLength = 0;
14462 whiteTimeRemaining -= lastTickLength;
14463 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14464 // if(pvInfoList[forwardMostMove-1].time == -1)
14465 pvInfoList[forwardMostMove-1].time =
14466 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14468 flagged = CheckFlags();
14470 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14471 CheckTimeControl();
14473 if (flagged || !appData.clockMode) return;
14475 switch (gameMode) {
14476 case MachinePlaysBlack:
14477 case MachinePlaysWhite:
14478 case BeginningOfGame:
14479 if (pausing) return;
14483 case PlayFromGameFile:
14491 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14492 if(WhiteOnMove(forwardMostMove))
14493 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14494 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14498 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14499 whiteTimeRemaining : blackTimeRemaining);
14500 StartClockTimer(intendedTickLength);
14504 /* Stop both clocks */
14508 long lastTickLength;
14511 if (!StopClockTimer()) return;
14512 if (!appData.clockMode) return;
14516 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14517 if (WhiteOnMove(forwardMostMove)) {
14518 if(whiteNPS >= 0) lastTickLength = 0;
14519 whiteTimeRemaining -= lastTickLength;
14520 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14522 if(blackNPS >= 0) lastTickLength = 0;
14523 blackTimeRemaining -= lastTickLength;
14524 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14529 /* Start clock of player on move. Time may have been reset, so
14530 if clock is already running, stop and restart it. */
14534 (void) StopClockTimer(); /* in case it was running already */
14535 DisplayBothClocks();
14536 if (CheckFlags()) return;
14538 if (!appData.clockMode) return;
14539 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14541 GetTimeMark(&tickStartTM);
14542 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14543 whiteTimeRemaining : blackTimeRemaining);
14545 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14546 whiteNPS = blackNPS = -1;
14547 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14548 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14549 whiteNPS = first.nps;
14550 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14551 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14552 blackNPS = first.nps;
14553 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14554 whiteNPS = second.nps;
14555 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14556 blackNPS = second.nps;
14557 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14559 StartClockTimer(intendedTickLength);
14566 long second, minute, hour, day;
14568 static char buf[32];
14570 if (ms > 0 && ms <= 9900) {
14571 /* convert milliseconds to tenths, rounding up */
14572 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14574 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14578 /* convert milliseconds to seconds, rounding up */
14579 /* use floating point to avoid strangeness of integer division
14580 with negative dividends on many machines */
14581 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14588 day = second / (60 * 60 * 24);
14589 second = second % (60 * 60 * 24);
14590 hour = second / (60 * 60);
14591 second = second % (60 * 60);
14592 minute = second / 60;
14593 second = second % 60;
14596 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14597 sign, day, hour, minute, second);
14599 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14601 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14608 * This is necessary because some C libraries aren't ANSI C compliant yet.
14611 StrStr(string, match)
14612 char *string, *match;
14616 length = strlen(match);
14618 for (i = strlen(string) - length; i >= 0; i--, string++)
14619 if (!strncmp(match, string, length))
14626 StrCaseStr(string, match)
14627 char *string, *match;
14631 length = strlen(match);
14633 for (i = strlen(string) - length; i >= 0; i--, string++) {
14634 for (j = 0; j < length; j++) {
14635 if (ToLower(match[j]) != ToLower(string[j]))
14638 if (j == length) return string;
14652 c1 = ToLower(*s1++);
14653 c2 = ToLower(*s2++);
14654 if (c1 > c2) return 1;
14655 if (c1 < c2) return -1;
14656 if (c1 == NULLCHAR) return 0;
14665 return isupper(c) ? tolower(c) : c;
14673 return islower(c) ? toupper(c) : c;
14675 #endif /* !_amigados */
14683 if ((ret = (char *) malloc(strlen(s) + 1)))
14685 safeStrCpy(ret, s, strlen(s)+1);
14691 StrSavePtr(s, savePtr)
14692 char *s, **savePtr;
14697 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14698 safeStrCpy(*savePtr, s, strlen(s)+1);
14710 clock = time((time_t *)NULL);
14711 tm = localtime(&clock);
14712 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14713 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14714 return StrSave(buf);
14719 PositionToFEN(move, overrideCastling)
14721 char *overrideCastling;
14723 int i, j, fromX, fromY, toX, toY;
14730 whiteToPlay = (gameMode == EditPosition) ?
14731 !blackPlaysFirst : (move % 2 == 0);
14734 /* Piece placement data */
14735 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14737 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14738 if (boards[move][i][j] == EmptySquare) {
14740 } else { ChessSquare piece = boards[move][i][j];
14741 if (emptycount > 0) {
14742 if(emptycount<10) /* [HGM] can be >= 10 */
14743 *p++ = '0' + emptycount;
14744 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14747 if(PieceToChar(piece) == '+') {
14748 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14750 piece = (ChessSquare)(DEMOTED piece);
14752 *p++ = PieceToChar(piece);
14754 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14755 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14760 if (emptycount > 0) {
14761 if(emptycount<10) /* [HGM] can be >= 10 */
14762 *p++ = '0' + emptycount;
14763 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14770 /* [HGM] print Crazyhouse or Shogi holdings */
14771 if( gameInfo.holdingsWidth ) {
14772 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14774 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14775 piece = boards[move][i][BOARD_WIDTH-1];
14776 if( piece != EmptySquare )
14777 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14778 *p++ = PieceToChar(piece);
14780 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14781 piece = boards[move][BOARD_HEIGHT-i-1][0];
14782 if( piece != EmptySquare )
14783 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14784 *p++ = PieceToChar(piece);
14787 if( q == p ) *p++ = '-';
14793 *p++ = whiteToPlay ? 'w' : 'b';
14796 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14797 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14799 if(nrCastlingRights) {
14801 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14802 /* [HGM] write directly from rights */
14803 if(boards[move][CASTLING][2] != NoRights &&
14804 boards[move][CASTLING][0] != NoRights )
14805 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14806 if(boards[move][CASTLING][2] != NoRights &&
14807 boards[move][CASTLING][1] != NoRights )
14808 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14809 if(boards[move][CASTLING][5] != NoRights &&
14810 boards[move][CASTLING][3] != NoRights )
14811 *p++ = boards[move][CASTLING][3] + AAA;
14812 if(boards[move][CASTLING][5] != NoRights &&
14813 boards[move][CASTLING][4] != NoRights )
14814 *p++ = boards[move][CASTLING][4] + AAA;
14817 /* [HGM] write true castling rights */
14818 if( nrCastlingRights == 6 ) {
14819 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14820 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14821 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14822 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14823 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14824 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14825 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14826 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14829 if (q == p) *p++ = '-'; /* No castling rights */
14833 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14834 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14835 /* En passant target square */
14836 if (move > backwardMostMove) {
14837 fromX = moveList[move - 1][0] - AAA;
14838 fromY = moveList[move - 1][1] - ONE;
14839 toX = moveList[move - 1][2] - AAA;
14840 toY = moveList[move - 1][3] - ONE;
14841 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14842 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14843 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14845 /* 2-square pawn move just happened */
14847 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14851 } else if(move == backwardMostMove) {
14852 // [HGM] perhaps we should always do it like this, and forget the above?
14853 if((signed char)boards[move][EP_STATUS] >= 0) {
14854 *p++ = boards[move][EP_STATUS] + AAA;
14855 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14866 /* [HGM] find reversible plies */
14867 { int i = 0, j=move;
14869 if (appData.debugMode) { int k;
14870 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14871 for(k=backwardMostMove; k<=forwardMostMove; k++)
14872 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14876 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14877 if( j == backwardMostMove ) i += initialRulePlies;
14878 sprintf(p, "%d ", i);
14879 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14881 /* Fullmove number */
14882 sprintf(p, "%d", (move / 2) + 1);
14884 return StrSave(buf);
14888 ParseFEN(board, blackPlaysFirst, fen)
14890 int *blackPlaysFirst;
14900 /* [HGM] by default clear Crazyhouse holdings, if present */
14901 if(gameInfo.holdingsWidth) {
14902 for(i=0; i<BOARD_HEIGHT; i++) {
14903 board[i][0] = EmptySquare; /* black holdings */
14904 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14905 board[i][1] = (ChessSquare) 0; /* black counts */
14906 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14910 /* Piece placement data */
14911 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14914 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14915 if (*p == '/') p++;
14916 emptycount = gameInfo.boardWidth - j;
14917 while (emptycount--)
14918 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14920 #if(BOARD_FILES >= 10)
14921 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14922 p++; emptycount=10;
14923 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14924 while (emptycount--)
14925 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14927 } else if (isdigit(*p)) {
14928 emptycount = *p++ - '0';
14929 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14930 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14931 while (emptycount--)
14932 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14933 } else if (*p == '+' || isalpha(*p)) {
14934 if (j >= gameInfo.boardWidth) return FALSE;
14936 piece = CharToPiece(*++p);
14937 if(piece == EmptySquare) return FALSE; /* unknown piece */
14938 piece = (ChessSquare) (PROMOTED piece ); p++;
14939 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14940 } else piece = CharToPiece(*p++);
14942 if(piece==EmptySquare) return FALSE; /* unknown piece */
14943 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14944 piece = (ChessSquare) (PROMOTED piece);
14945 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14948 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14954 while (*p == '/' || *p == ' ') p++;
14956 /* [HGM] look for Crazyhouse holdings here */
14957 while(*p==' ') p++;
14958 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14960 if(*p == '-' ) p++; /* empty holdings */ else {
14961 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14962 /* if we would allow FEN reading to set board size, we would */
14963 /* have to add holdings and shift the board read so far here */
14964 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14966 if((int) piece >= (int) BlackPawn ) {
14967 i = (int)piece - (int)BlackPawn;
14968 i = PieceToNumber((ChessSquare)i);
14969 if( i >= gameInfo.holdingsSize ) return FALSE;
14970 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14971 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14973 i = (int)piece - (int)WhitePawn;
14974 i = PieceToNumber((ChessSquare)i);
14975 if( i >= gameInfo.holdingsSize ) return FALSE;
14976 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14977 board[i][BOARD_WIDTH-2]++; /* black holdings */
14984 while(*p == ' ') p++;
14988 if(appData.colorNickNames) {
14989 if( c == appData.colorNickNames[0] ) c = 'w'; else
14990 if( c == appData.colorNickNames[1] ) c = 'b';
14994 *blackPlaysFirst = FALSE;
14997 *blackPlaysFirst = TRUE;
15003 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15004 /* return the extra info in global variiables */
15006 /* set defaults in case FEN is incomplete */
15007 board[EP_STATUS] = EP_UNKNOWN;
15008 for(i=0; i<nrCastlingRights; i++ ) {
15009 board[CASTLING][i] =
15010 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15011 } /* assume possible unless obviously impossible */
15012 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15013 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15014 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15015 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15016 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15017 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15018 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15019 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15022 while(*p==' ') p++;
15023 if(nrCastlingRights) {
15024 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15025 /* castling indicator present, so default becomes no castlings */
15026 for(i=0; i<nrCastlingRights; i++ ) {
15027 board[CASTLING][i] = NoRights;
15030 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15031 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15032 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15033 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15034 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15036 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15037 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15038 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15040 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15041 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15042 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15043 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15044 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15045 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15048 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15049 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15050 board[CASTLING][2] = whiteKingFile;
15053 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15054 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15055 board[CASTLING][2] = whiteKingFile;
15058 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15059 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15060 board[CASTLING][5] = blackKingFile;
15063 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15064 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15065 board[CASTLING][5] = blackKingFile;
15068 default: /* FRC castlings */
15069 if(c >= 'a') { /* black rights */
15070 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15071 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15072 if(i == BOARD_RGHT) break;
15073 board[CASTLING][5] = i;
15075 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15076 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15078 board[CASTLING][3] = c;
15080 board[CASTLING][4] = c;
15081 } else { /* white rights */
15082 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15083 if(board[0][i] == WhiteKing) break;
15084 if(i == BOARD_RGHT) break;
15085 board[CASTLING][2] = i;
15086 c -= AAA - 'a' + 'A';
15087 if(board[0][c] >= WhiteKing) break;
15089 board[CASTLING][0] = c;
15091 board[CASTLING][1] = c;
15095 for(i=0; i<nrCastlingRights; i++)
15096 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15097 if (appData.debugMode) {
15098 fprintf(debugFP, "FEN castling rights:");
15099 for(i=0; i<nrCastlingRights; i++)
15100 fprintf(debugFP, " %d", board[CASTLING][i]);
15101 fprintf(debugFP, "\n");
15104 while(*p==' ') p++;
15107 /* read e.p. field in games that know e.p. capture */
15108 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15109 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15111 p++; board[EP_STATUS] = EP_NONE;
15113 char c = *p++ - AAA;
15115 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15116 if(*p >= '0' && *p <='9') p++;
15117 board[EP_STATUS] = c;
15122 if(sscanf(p, "%d", &i) == 1) {
15123 FENrulePlies = i; /* 50-move ply counter */
15124 /* (The move number is still ignored) */
15131 EditPositionPasteFEN(char *fen)
15134 Board initial_position;
15136 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15137 DisplayError(_("Bad FEN position in clipboard"), 0);
15140 int savedBlackPlaysFirst = blackPlaysFirst;
15141 EditPositionEvent();
15142 blackPlaysFirst = savedBlackPlaysFirst;
15143 CopyBoard(boards[0], initial_position);
15144 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15145 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15146 DisplayBothClocks();
15147 DrawPosition(FALSE, boards[currentMove]);
15152 static char cseq[12] = "\\ ";
15154 Boolean set_cont_sequence(char *new_seq)
15159 // handle bad attempts to set the sequence
15161 return 0; // acceptable error - no debug
15163 len = strlen(new_seq);
15164 ret = (len > 0) && (len < sizeof(cseq));
15166 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15167 else if (appData.debugMode)
15168 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15173 reformat a source message so words don't cross the width boundary. internal
15174 newlines are not removed. returns the wrapped size (no null character unless
15175 included in source message). If dest is NULL, only calculate the size required
15176 for the dest buffer. lp argument indicats line position upon entry, and it's
15177 passed back upon exit.
15179 int wrap(char *dest, char *src, int count, int width, int *lp)
15181 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15183 cseq_len = strlen(cseq);
15184 old_line = line = *lp;
15185 ansi = len = clen = 0;
15187 for (i=0; i < count; i++)
15189 if (src[i] == '\033')
15192 // if we hit the width, back up
15193 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15195 // store i & len in case the word is too long
15196 old_i = i, old_len = len;
15198 // find the end of the last word
15199 while (i && src[i] != ' ' && src[i] != '\n')
15205 // word too long? restore i & len before splitting it
15206 if ((old_i-i+clen) >= width)
15213 if (i && src[i-1] == ' ')
15216 if (src[i] != ' ' && src[i] != '\n')
15223 // now append the newline and continuation sequence
15228 strncpy(dest+len, cseq, cseq_len);
15236 dest[len] = src[i];
15240 if (src[i] == '\n')
15245 if (dest && appData.debugMode)
15247 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15248 count, width, line, len, *lp);
15249 show_bytes(debugFP, src, count);
15250 fprintf(debugFP, "\ndest: ");
15251 show_bytes(debugFP, dest, len);
15252 fprintf(debugFP, "\n");
15254 *lp = dest ? line : old_line;
15259 // [HGM] vari: routines for shelving variations
15262 PushTail(int firstMove, int lastMove)
15264 int i, j, nrMoves = lastMove - firstMove;
15266 if(appData.icsActive) { // only in local mode
15267 forwardMostMove = currentMove; // mimic old ICS behavior
15270 if(storedGames >= MAX_VARIATIONS-1) return;
15272 // push current tail of game on stack
15273 savedResult[storedGames] = gameInfo.result;
15274 savedDetails[storedGames] = gameInfo.resultDetails;
15275 gameInfo.resultDetails = NULL;
15276 savedFirst[storedGames] = firstMove;
15277 savedLast [storedGames] = lastMove;
15278 savedFramePtr[storedGames] = framePtr;
15279 framePtr -= nrMoves; // reserve space for the boards
15280 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15281 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15282 for(j=0; j<MOVE_LEN; j++)
15283 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15284 for(j=0; j<2*MOVE_LEN; j++)
15285 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15286 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15287 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15288 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15289 pvInfoList[firstMove+i-1].depth = 0;
15290 commentList[framePtr+i] = commentList[firstMove+i];
15291 commentList[firstMove+i] = NULL;
15295 forwardMostMove = firstMove; // truncate game so we can start variation
15296 if(storedGames == 1) GreyRevert(FALSE);
15300 PopTail(Boolean annotate)
15303 char buf[8000], moveBuf[20];
15305 if(appData.icsActive) return FALSE; // only in local mode
15306 if(!storedGames) return FALSE; // sanity
15307 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15310 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15311 nrMoves = savedLast[storedGames] - currentMove;
15314 if(!WhiteOnMove(currentMove))
15315 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15316 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15317 for(i=currentMove; i<forwardMostMove; i++) {
15319 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15320 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15321 strcat(buf, moveBuf);
15322 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15323 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15327 for(i=1; i<=nrMoves; i++) { // copy last variation back
15328 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15329 for(j=0; j<MOVE_LEN; j++)
15330 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15331 for(j=0; j<2*MOVE_LEN; j++)
15332 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15333 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15334 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15335 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15336 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15337 commentList[currentMove+i] = commentList[framePtr+i];
15338 commentList[framePtr+i] = NULL;
15340 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15341 framePtr = savedFramePtr[storedGames];
15342 gameInfo.result = savedResult[storedGames];
15343 if(gameInfo.resultDetails != NULL) {
15344 free(gameInfo.resultDetails);
15346 gameInfo.resultDetails = savedDetails[storedGames];
15347 forwardMostMove = currentMove + nrMoves;
15348 if(storedGames == 0) GreyRevert(TRUE);
15354 { // remove all shelved variations
15356 for(i=0; i<storedGames; i++) {
15357 if(savedDetails[i])
15358 free(savedDetails[i]);
15359 savedDetails[i] = NULL;
15361 for(i=framePtr; i<MAX_MOVES; i++) {
15362 if(commentList[i]) free(commentList[i]);
15363 commentList[i] = NULL;
15365 framePtr = MAX_MOVES-1;
15370 LoadVariation(int index, char *text)
15371 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15372 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15373 int level = 0, move;
15375 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15376 // first find outermost bracketing variation
15377 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15378 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15379 if(*p == '{') wait = '}'; else
15380 if(*p == '[') wait = ']'; else
15381 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15382 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15384 if(*p == wait) wait = NULLCHAR; // closing ]} found
15387 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15388 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15389 end[1] = NULLCHAR; // clip off comment beyond variation
15390 ToNrEvent(currentMove-1);
15391 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15392 // kludge: use ParsePV() to append variation to game
15393 move = currentMove;
15394 ParsePV(start, TRUE);
15395 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15396 ClearPremoveHighlights();
15398 ToNrEvent(currentMove+1);