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 if (appData.debugMode) {
4888 fprintf(debugFP, "move to parse: %s\n", move);
4890 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4892 switch (*moveType) {
4893 case WhitePromotion:
4894 case BlackPromotion:
4895 case WhiteNonPromotion:
4896 case BlackNonPromotion:
4898 case WhiteCapturesEnPassant:
4899 case BlackCapturesEnPassant:
4900 case WhiteKingSideCastle:
4901 case WhiteQueenSideCastle:
4902 case BlackKingSideCastle:
4903 case BlackQueenSideCastle:
4904 case WhiteKingSideCastleWild:
4905 case WhiteQueenSideCastleWild:
4906 case BlackKingSideCastleWild:
4907 case BlackQueenSideCastleWild:
4908 /* Code added by Tord: */
4909 case WhiteHSideCastleFR:
4910 case WhiteASideCastleFR:
4911 case BlackHSideCastleFR:
4912 case BlackASideCastleFR:
4913 /* End of code added by Tord */
4914 case IllegalMove: /* bug or odd chess variant */
4915 *fromX = currentMoveString[0] - AAA;
4916 *fromY = currentMoveString[1] - ONE;
4917 *toX = currentMoveString[2] - AAA;
4918 *toY = currentMoveString[3] - ONE;
4919 *promoChar = currentMoveString[4];
4920 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4921 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4922 if (appData.debugMode) {
4923 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4925 *fromX = *fromY = *toX = *toY = 0;
4928 if (appData.testLegality) {
4929 return (*moveType != IllegalMove);
4931 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4932 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4937 *fromX = *moveType == WhiteDrop ?
4938 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4939 (int) CharToPiece(ToLower(currentMoveString[0]));
4941 *toX = currentMoveString[2] - AAA;
4942 *toY = currentMoveString[3] - ONE;
4943 *promoChar = NULLCHAR;
4947 case ImpossibleMove:
4957 if (appData.debugMode) {
4958 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4961 *fromX = *fromY = *toX = *toY = 0;
4962 *promoChar = NULLCHAR;
4969 ParsePV(char *pv, Boolean storeComments)
4970 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4971 int fromX, fromY, toX, toY; char promoChar;
4976 endPV = forwardMostMove;
4978 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4979 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4980 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4981 if(appData.debugMode){
4982 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);
4984 if(!valid && nr == 0 &&
4985 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4986 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4987 // Hande case where played move is different from leading PV move
4988 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4989 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4990 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4991 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4992 endPV += 2; // if position different, keep this
4993 moveList[endPV-1][0] = fromX + AAA;
4994 moveList[endPV-1][1] = fromY + ONE;
4995 moveList[endPV-1][2] = toX + AAA;
4996 moveList[endPV-1][3] = toY + ONE;
4997 parseList[endPV-1][0] = NULLCHAR;
4998 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5001 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5002 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5003 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5004 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5005 valid++; // allow comments in PV
5009 if(endPV+1 > framePtr) break; // no space, truncate
5012 CopyBoard(boards[endPV], boards[endPV-1]);
5013 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5014 moveList[endPV-1][0] = fromX + AAA;
5015 moveList[endPV-1][1] = fromY + ONE;
5016 moveList[endPV-1][2] = toX + AAA;
5017 moveList[endPV-1][3] = toY + ONE;
5019 CoordsToAlgebraic(boards[endPV - 1],
5020 PosFlags(endPV - 1),
5021 fromY, fromX, toY, toX, promoChar,
5022 parseList[endPV - 1]);
5024 parseList[endPV-1][0] = NULLCHAR;
5026 currentMove = endPV;
5027 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5028 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5029 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5030 DrawPosition(TRUE, boards[currentMove]);
5033 static int lastX, lastY;
5036 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5041 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5042 lastX = x; lastY = y;
5043 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5045 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5046 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5048 do{ while(buf[index] && buf[index] != '\n') index++;
5049 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5051 ParsePV(buf+startPV, FALSE);
5052 *start = startPV; *end = index-1;
5057 LoadPV(int x, int y)
5058 { // called on right mouse click to load PV
5059 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5060 lastX = x; lastY = y;
5061 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5068 if(endPV < 0) return;
5070 currentMove = forwardMostMove;
5071 ClearPremoveHighlights();
5072 DrawPosition(TRUE, boards[currentMove]);
5076 MovePV(int x, int y, int h)
5077 { // step through PV based on mouse coordinates (called on mouse move)
5078 int margin = h>>3, step = 0;
5080 if(endPV < 0) return;
5081 // we must somehow check if right button is still down (might be released off board!)
5082 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5083 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5084 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5086 lastX = x; lastY = y;
5087 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5088 currentMove += step;
5089 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5090 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5091 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5092 DrawPosition(FALSE, boards[currentMove]);
5096 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5097 // All positions will have equal probability, but the current method will not provide a unique
5098 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5104 int piecesLeft[(int)BlackPawn];
5105 int seed, nrOfShuffles;
5107 void GetPositionNumber()
5108 { // sets global variable seed
5111 seed = appData.defaultFrcPosition;
5112 if(seed < 0) { // randomize based on time for negative FRC position numbers
5113 for(i=0; i<50; i++) seed += random();
5114 seed = random() ^ random() >> 8 ^ random() << 8;
5115 if(seed<0) seed = -seed;
5119 int put(Board board, int pieceType, int rank, int n, int shade)
5120 // put the piece on the (n-1)-th empty squares of the given shade
5124 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5125 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5126 board[rank][i] = (ChessSquare) pieceType;
5127 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5129 piecesLeft[pieceType]--;
5137 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5138 // calculate where the next piece goes, (any empty square), and put it there
5142 i = seed % squaresLeft[shade];
5143 nrOfShuffles *= squaresLeft[shade];
5144 seed /= squaresLeft[shade];
5145 put(board, pieceType, rank, i, shade);
5148 void AddTwoPieces(Board board, int pieceType, int rank)
5149 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5151 int i, n=squaresLeft[ANY], j=n-1, k;
5153 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5154 i = seed % k; // pick one
5157 while(i >= j) i -= j--;
5158 j = n - 1 - j; i += j;
5159 put(board, pieceType, rank, j, ANY);
5160 put(board, pieceType, rank, i, ANY);
5163 void SetUpShuffle(Board board, int number)
5167 GetPositionNumber(); nrOfShuffles = 1;
5169 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5170 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5171 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5173 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5175 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5176 p = (int) board[0][i];
5177 if(p < (int) BlackPawn) piecesLeft[p] ++;
5178 board[0][i] = EmptySquare;
5181 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5182 // shuffles restricted to allow normal castling put KRR first
5183 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5184 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5185 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5186 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5187 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5188 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5189 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5190 put(board, WhiteRook, 0, 0, ANY);
5191 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5194 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5195 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5196 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5197 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5198 while(piecesLeft[p] >= 2) {
5199 AddOnePiece(board, p, 0, LITE);
5200 AddOnePiece(board, p, 0, DARK);
5202 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5205 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5206 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5207 // but we leave King and Rooks for last, to possibly obey FRC restriction
5208 if(p == (int)WhiteRook) continue;
5209 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5210 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5213 // now everything is placed, except perhaps King (Unicorn) and Rooks
5215 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5216 // Last King gets castling rights
5217 while(piecesLeft[(int)WhiteUnicorn]) {
5218 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5219 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5222 while(piecesLeft[(int)WhiteKing]) {
5223 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5224 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5229 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5230 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5233 // Only Rooks can be left; simply place them all
5234 while(piecesLeft[(int)WhiteRook]) {
5235 i = put(board, WhiteRook, 0, 0, ANY);
5236 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5239 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5241 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5244 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5245 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5248 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5251 int SetCharTable( char *table, const char * map )
5252 /* [HGM] moved here from winboard.c because of its general usefulness */
5253 /* Basically a safe strcpy that uses the last character as King */
5255 int result = FALSE; int NrPieces;
5257 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5258 && NrPieces >= 12 && !(NrPieces&1)) {
5259 int i; /* [HGM] Accept even length from 12 to 34 */
5261 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5262 for( i=0; i<NrPieces/2-1; i++ ) {
5264 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5266 table[(int) WhiteKing] = map[NrPieces/2-1];
5267 table[(int) BlackKing] = map[NrPieces-1];
5275 void Prelude(Board board)
5276 { // [HGM] superchess: random selection of exo-pieces
5277 int i, j, k; ChessSquare p;
5278 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5280 GetPositionNumber(); // use FRC position number
5282 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5283 SetCharTable(pieceToChar, appData.pieceToCharTable);
5284 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5285 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5288 j = seed%4; seed /= 4;
5289 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5290 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5291 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5292 j = seed%3 + (seed%3 >= j); seed /= 3;
5293 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5294 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5295 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5296 j = seed%3; seed /= 3;
5297 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5298 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5299 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5300 j = seed%2 + (seed%2 >= j); seed /= 2;
5301 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5302 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5303 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5304 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5305 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5306 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5307 put(board, exoPieces[0], 0, 0, ANY);
5308 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5312 InitPosition(redraw)
5315 ChessSquare (* pieces)[BOARD_FILES];
5316 int i, j, pawnRow, overrule,
5317 oldx = gameInfo.boardWidth,
5318 oldy = gameInfo.boardHeight,
5319 oldh = gameInfo.holdingsWidth,
5320 oldv = gameInfo.variant;
5322 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5324 /* [AS] Initialize pv info list [HGM] and game status */
5326 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5327 pvInfoList[i].depth = 0;
5328 boards[i][EP_STATUS] = EP_NONE;
5329 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5332 initialRulePlies = 0; /* 50-move counter start */
5334 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5335 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5339 /* [HGM] logic here is completely changed. In stead of full positions */
5340 /* the initialized data only consist of the two backranks. The switch */
5341 /* selects which one we will use, which is than copied to the Board */
5342 /* initialPosition, which for the rest is initialized by Pawns and */
5343 /* empty squares. This initial position is then copied to boards[0], */
5344 /* possibly after shuffling, so that it remains available. */
5346 gameInfo.holdingsWidth = 0; /* default board sizes */
5347 gameInfo.boardWidth = 8;
5348 gameInfo.boardHeight = 8;
5349 gameInfo.holdingsSize = 0;
5350 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5351 for(i=0; i<BOARD_FILES-2; i++)
5352 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5353 initialPosition[EP_STATUS] = EP_NONE;
5354 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5355 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5356 SetCharTable(pieceNickName, appData.pieceNickNames);
5357 else SetCharTable(pieceNickName, "............");
5359 switch (gameInfo.variant) {
5360 case VariantFischeRandom:
5361 shuffleOpenings = TRUE;
5365 case VariantShatranj:
5366 pieces = ShatranjArray;
5367 nrCastlingRights = 0;
5368 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5371 pieces = makrukArray;
5372 nrCastlingRights = 0;
5373 startedFromSetupPosition = TRUE;
5374 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5376 case VariantTwoKings:
5377 pieces = twoKingsArray;
5379 case VariantCapaRandom:
5380 shuffleOpenings = TRUE;
5381 case VariantCapablanca:
5382 pieces = CapablancaArray;
5383 gameInfo.boardWidth = 10;
5384 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5387 pieces = GothicArray;
5388 gameInfo.boardWidth = 10;
5389 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5392 pieces = JanusArray;
5393 gameInfo.boardWidth = 10;
5394 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5395 nrCastlingRights = 6;
5396 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5397 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5398 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5399 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5400 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5401 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5404 pieces = FalconArray;
5405 gameInfo.boardWidth = 10;
5406 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5408 case VariantXiangqi:
5409 pieces = XiangqiArray;
5410 gameInfo.boardWidth = 9;
5411 gameInfo.boardHeight = 10;
5412 nrCastlingRights = 0;
5413 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5416 pieces = ShogiArray;
5417 gameInfo.boardWidth = 9;
5418 gameInfo.boardHeight = 9;
5419 gameInfo.holdingsSize = 7;
5420 nrCastlingRights = 0;
5421 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5423 case VariantCourier:
5424 pieces = CourierArray;
5425 gameInfo.boardWidth = 12;
5426 nrCastlingRights = 0;
5427 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5429 case VariantKnightmate:
5430 pieces = KnightmateArray;
5431 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5434 pieces = fairyArray;
5435 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5438 pieces = GreatArray;
5439 gameInfo.boardWidth = 10;
5440 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5441 gameInfo.holdingsSize = 8;
5445 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5446 gameInfo.holdingsSize = 8;
5447 startedFromSetupPosition = TRUE;
5449 case VariantCrazyhouse:
5450 case VariantBughouse:
5452 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5453 gameInfo.holdingsSize = 5;
5455 case VariantWildCastle:
5457 /* !!?shuffle with kings guaranteed to be on d or e file */
5458 shuffleOpenings = 1;
5460 case VariantNoCastle:
5462 nrCastlingRights = 0;
5463 /* !!?unconstrained back-rank shuffle */
5464 shuffleOpenings = 1;
5469 if(appData.NrFiles >= 0) {
5470 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5471 gameInfo.boardWidth = appData.NrFiles;
5473 if(appData.NrRanks >= 0) {
5474 gameInfo.boardHeight = appData.NrRanks;
5476 if(appData.holdingsSize >= 0) {
5477 i = appData.holdingsSize;
5478 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5479 gameInfo.holdingsSize = i;
5481 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5482 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5483 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5485 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5486 if(pawnRow < 1) pawnRow = 1;
5487 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5489 /* User pieceToChar list overrules defaults */
5490 if(appData.pieceToCharTable != NULL)
5491 SetCharTable(pieceToChar, appData.pieceToCharTable);
5493 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5495 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5496 s = (ChessSquare) 0; /* account holding counts in guard band */
5497 for( i=0; i<BOARD_HEIGHT; i++ )
5498 initialPosition[i][j] = s;
5500 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5501 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5502 initialPosition[pawnRow][j] = WhitePawn;
5503 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5504 if(gameInfo.variant == VariantXiangqi) {
5506 initialPosition[pawnRow][j] =
5507 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5508 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5509 initialPosition[2][j] = WhiteCannon;
5510 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5514 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5516 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5519 initialPosition[1][j] = WhiteBishop;
5520 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5522 initialPosition[1][j] = WhiteRook;
5523 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5526 if( nrCastlingRights == -1) {
5527 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5528 /* This sets default castling rights from none to normal corners */
5529 /* Variants with other castling rights must set them themselves above */
5530 nrCastlingRights = 6;
5532 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5533 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5534 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5535 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5536 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5537 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5540 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5541 if(gameInfo.variant == VariantGreat) { // promotion commoners
5542 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5543 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5544 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5545 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5547 if (appData.debugMode) {
5548 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5550 if(shuffleOpenings) {
5551 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5552 startedFromSetupPosition = TRUE;
5554 if(startedFromPositionFile) {
5555 /* [HGM] loadPos: use PositionFile for every new game */
5556 CopyBoard(initialPosition, filePosition);
5557 for(i=0; i<nrCastlingRights; i++)
5558 initialRights[i] = filePosition[CASTLING][i];
5559 startedFromSetupPosition = TRUE;
5562 CopyBoard(boards[0], initialPosition);
5564 if(oldx != gameInfo.boardWidth ||
5565 oldy != gameInfo.boardHeight ||
5566 oldh != gameInfo.holdingsWidth
5568 || oldv == VariantGothic || // For licensing popups
5569 gameInfo.variant == VariantGothic
5572 || oldv == VariantFalcon ||
5573 gameInfo.variant == VariantFalcon
5576 InitDrawingSizes(-2 ,0);
5579 DrawPosition(TRUE, boards[currentMove]);
5583 SendBoard(cps, moveNum)
5584 ChessProgramState *cps;
5587 char message[MSG_SIZ];
5589 if (cps->useSetboard) {
5590 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5591 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5592 SendToProgram(message, cps);
5598 /* Kludge to set black to move, avoiding the troublesome and now
5599 * deprecated "black" command.
5601 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5603 SendToProgram("edit\n", cps);
5604 SendToProgram("#\n", cps);
5605 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5606 bp = &boards[moveNum][i][BOARD_LEFT];
5607 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5608 if ((int) *bp < (int) BlackPawn) {
5609 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5611 if(message[0] == '+' || message[0] == '~') {
5612 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5613 PieceToChar((ChessSquare)(DEMOTED *bp)),
5616 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5617 message[1] = BOARD_RGHT - 1 - j + '1';
5618 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5620 SendToProgram(message, cps);
5625 SendToProgram("c\n", cps);
5626 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5627 bp = &boards[moveNum][i][BOARD_LEFT];
5628 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5629 if (((int) *bp != (int) EmptySquare)
5630 && ((int) *bp >= (int) BlackPawn)) {
5631 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5633 if(message[0] == '+' || message[0] == '~') {
5634 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5635 PieceToChar((ChessSquare)(DEMOTED *bp)),
5638 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5639 message[1] = BOARD_RGHT - 1 - j + '1';
5640 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5642 SendToProgram(message, cps);
5647 SendToProgram(".\n", cps);
5649 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5652 static int autoQueen; // [HGM] oneclick
5655 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5657 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5658 /* [HGM] add Shogi promotions */
5659 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5664 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5665 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5667 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5668 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5671 piece = boards[currentMove][fromY][fromX];
5672 if(gameInfo.variant == VariantShogi) {
5673 promotionZoneSize = BOARD_HEIGHT/3;
5674 highestPromotingPiece = (int)WhiteFerz;
5675 } else if(gameInfo.variant == VariantMakruk) {
5676 promotionZoneSize = 3;
5679 // next weed out all moves that do not touch the promotion zone at all
5680 if((int)piece >= BlackPawn) {
5681 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5683 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5685 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5686 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5689 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5691 // weed out mandatory Shogi promotions
5692 if(gameInfo.variant == VariantShogi) {
5693 if(piece >= BlackPawn) {
5694 if(toY == 0 && piece == BlackPawn ||
5695 toY == 0 && piece == BlackQueen ||
5696 toY <= 1 && piece == BlackKnight) {
5701 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5702 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5703 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5710 // weed out obviously illegal Pawn moves
5711 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5712 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5713 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5714 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5715 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5716 // note we are not allowed to test for valid (non-)capture, due to premove
5719 // we either have a choice what to promote to, or (in Shogi) whether to promote
5720 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5721 *promoChoice = PieceToChar(BlackFerz); // no choice
5724 // no sense asking what we must promote to if it is going to explode...
5725 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5726 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5729 if(autoQueen) { // predetermined
5730 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5731 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5732 else *promoChoice = PieceToChar(BlackQueen);
5736 // suppress promotion popup on illegal moves that are not premoves
5737 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5738 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5739 if(appData.testLegality && !premove) {
5740 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5741 fromY, fromX, toY, toX, NULLCHAR);
5742 if(moveType != WhitePromotion && moveType != BlackPromotion)
5750 InPalace(row, column)
5752 { /* [HGM] for Xiangqi */
5753 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5754 column < (BOARD_WIDTH + 4)/2 &&
5755 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5760 PieceForSquare (x, y)
5764 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5767 return boards[currentMove][y][x];
5771 OKToStartUserMove(x, y)
5774 ChessSquare from_piece;
5777 if (matchMode) return FALSE;
5778 if (gameMode == EditPosition) return TRUE;
5780 if (x >= 0 && y >= 0)
5781 from_piece = boards[currentMove][y][x];
5783 from_piece = EmptySquare;
5785 if (from_piece == EmptySquare) return FALSE;
5787 white_piece = (int)from_piece >= (int)WhitePawn &&
5788 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5791 case PlayFromGameFile:
5793 case TwoMachinesPlay:
5801 case MachinePlaysWhite:
5802 case IcsPlayingBlack:
5803 if (appData.zippyPlay) return FALSE;
5805 DisplayMoveError(_("You are playing Black"));
5810 case MachinePlaysBlack:
5811 case IcsPlayingWhite:
5812 if (appData.zippyPlay) return FALSE;
5814 DisplayMoveError(_("You are playing White"));
5820 if (!white_piece && WhiteOnMove(currentMove)) {
5821 DisplayMoveError(_("It is White's turn"));
5824 if (white_piece && !WhiteOnMove(currentMove)) {
5825 DisplayMoveError(_("It is Black's turn"));
5828 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5829 /* Editing correspondence game history */
5830 /* Could disallow this or prompt for confirmation */
5835 case BeginningOfGame:
5836 if (appData.icsActive) return FALSE;
5837 if (!appData.noChessProgram) {
5839 DisplayMoveError(_("You are playing White"));
5846 if (!white_piece && WhiteOnMove(currentMove)) {
5847 DisplayMoveError(_("It is White's turn"));
5850 if (white_piece && !WhiteOnMove(currentMove)) {
5851 DisplayMoveError(_("It is Black's turn"));
5860 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5861 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5862 && gameMode != AnalyzeFile && gameMode != Training) {
5863 DisplayMoveError(_("Displayed position is not current"));
5870 OnlyMove(int *x, int *y, Boolean captures) {
5871 DisambiguateClosure cl;
5872 if (appData.zippyPlay) return FALSE;
5874 case MachinePlaysBlack:
5875 case IcsPlayingWhite:
5876 case BeginningOfGame:
5877 if(!WhiteOnMove(currentMove)) return FALSE;
5879 case MachinePlaysWhite:
5880 case IcsPlayingBlack:
5881 if(WhiteOnMove(currentMove)) return FALSE;
5888 cl.pieceIn = EmptySquare;
5893 cl.promoCharIn = NULLCHAR;
5894 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5895 if( cl.kind == NormalMove ||
5896 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5897 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5898 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5905 if(cl.kind != ImpossibleMove) return FALSE;
5906 cl.pieceIn = EmptySquare;
5911 cl.promoCharIn = NULLCHAR;
5912 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5913 if( cl.kind == NormalMove ||
5914 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5915 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5916 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5921 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5927 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5928 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5929 int lastLoadGameUseList = FALSE;
5930 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5931 ChessMove lastLoadGameStart = EndOfFile;
5934 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5935 int fromX, fromY, toX, toY;
5939 ChessSquare pdown, pup;
5941 /* Check if the user is playing in turn. This is complicated because we
5942 let the user "pick up" a piece before it is his turn. So the piece he
5943 tried to pick up may have been captured by the time he puts it down!
5944 Therefore we use the color the user is supposed to be playing in this
5945 test, not the color of the piece that is currently on the starting
5946 square---except in EditGame mode, where the user is playing both
5947 sides; fortunately there the capture race can't happen. (It can
5948 now happen in IcsExamining mode, but that's just too bad. The user
5949 will get a somewhat confusing message in that case.)
5953 case PlayFromGameFile:
5955 case TwoMachinesPlay:
5959 /* We switched into a game mode where moves are not accepted,
5960 perhaps while the mouse button was down. */
5963 case MachinePlaysWhite:
5964 /* User is moving for Black */
5965 if (WhiteOnMove(currentMove)) {
5966 DisplayMoveError(_("It is White's turn"));
5971 case MachinePlaysBlack:
5972 /* User is moving for White */
5973 if (!WhiteOnMove(currentMove)) {
5974 DisplayMoveError(_("It is Black's turn"));
5981 case BeginningOfGame:
5984 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5985 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5986 /* User is moving for Black */
5987 if (WhiteOnMove(currentMove)) {
5988 DisplayMoveError(_("It is White's turn"));
5992 /* User is moving for White */
5993 if (!WhiteOnMove(currentMove)) {
5994 DisplayMoveError(_("It is Black's turn"));
6000 case IcsPlayingBlack:
6001 /* User is moving for Black */
6002 if (WhiteOnMove(currentMove)) {
6003 if (!appData.premove) {
6004 DisplayMoveError(_("It is White's turn"));
6005 } else if (toX >= 0 && toY >= 0) {
6008 premoveFromX = fromX;
6009 premoveFromY = fromY;
6010 premovePromoChar = promoChar;
6012 if (appData.debugMode)
6013 fprintf(debugFP, "Got premove: fromX %d,"
6014 "fromY %d, toX %d, toY %d\n",
6015 fromX, fromY, toX, toY);
6021 case IcsPlayingWhite:
6022 /* User is moving for White */
6023 if (!WhiteOnMove(currentMove)) {
6024 if (!appData.premove) {
6025 DisplayMoveError(_("It is Black's turn"));
6026 } else if (toX >= 0 && toY >= 0) {
6029 premoveFromX = fromX;
6030 premoveFromY = fromY;
6031 premovePromoChar = promoChar;
6033 if (appData.debugMode)
6034 fprintf(debugFP, "Got premove: fromX %d,"
6035 "fromY %d, toX %d, toY %d\n",
6036 fromX, fromY, toX, toY);
6046 /* EditPosition, empty square, or different color piece;
6047 click-click move is possible */
6048 if (toX == -2 || toY == -2) {
6049 boards[0][fromY][fromX] = EmptySquare;
6050 DrawPosition(FALSE, boards[currentMove]);
6052 } else if (toX >= 0 && toY >= 0) {
6053 boards[0][toY][toX] = boards[0][fromY][fromX];
6054 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6055 if(boards[0][fromY][0] != EmptySquare) {
6056 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6057 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6060 if(fromX == BOARD_RGHT+1) {
6061 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6062 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6063 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6066 boards[0][fromY][fromX] = EmptySquare;
6067 DrawPosition(FALSE, boards[currentMove]);
6073 if(toX < 0 || toY < 0) return;
6074 pdown = boards[currentMove][fromY][fromX];
6075 pup = boards[currentMove][toY][toX];
6077 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6078 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6079 if( pup != EmptySquare ) return;
6080 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6081 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6082 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6083 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6084 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6085 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6086 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6090 /* [HGM] always test for legality, to get promotion info */
6091 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6092 fromY, fromX, toY, toX, promoChar);
6093 /* [HGM] but possibly ignore an IllegalMove result */
6094 if (appData.testLegality) {
6095 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6096 DisplayMoveError(_("Illegal move"));
6101 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6104 /* Common tail of UserMoveEvent and DropMenuEvent */
6106 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6108 int fromX, fromY, toX, toY;
6109 /*char*/int promoChar;
6113 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6114 // [HGM] superchess: suppress promotions to non-available piece
6115 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6116 if(WhiteOnMove(currentMove)) {
6117 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6119 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6123 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6124 move type in caller when we know the move is a legal promotion */
6125 if(moveType == NormalMove && promoChar)
6126 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6128 /* [HGM] <popupFix> The following if has been moved here from
6129 UserMoveEvent(). Because it seemed to belong here (why not allow
6130 piece drops in training games?), and because it can only be
6131 performed after it is known to what we promote. */
6132 if (gameMode == Training) {
6133 /* compare the move played on the board to the next move in the
6134 * game. If they match, display the move and the opponent's response.
6135 * If they don't match, display an error message.
6139 CopyBoard(testBoard, boards[currentMove]);
6140 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6142 if (CompareBoards(testBoard, boards[currentMove+1])) {
6143 ForwardInner(currentMove+1);
6145 /* Autoplay the opponent's response.
6146 * if appData.animate was TRUE when Training mode was entered,
6147 * the response will be animated.
6149 saveAnimate = appData.animate;
6150 appData.animate = animateTraining;
6151 ForwardInner(currentMove+1);
6152 appData.animate = saveAnimate;
6154 /* check for the end of the game */
6155 if (currentMove >= forwardMostMove) {
6156 gameMode = PlayFromGameFile;
6158 SetTrainingModeOff();
6159 DisplayInformation(_("End of game"));
6162 DisplayError(_("Incorrect move"), 0);
6167 /* Ok, now we know that the move is good, so we can kill
6168 the previous line in Analysis Mode */
6169 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6170 && currentMove < forwardMostMove) {
6171 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6172 else forwardMostMove = currentMove;
6175 /* If we need the chess program but it's dead, restart it */
6176 ResurrectChessProgram();
6178 /* A user move restarts a paused game*/
6182 thinkOutput[0] = NULLCHAR;
6184 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6186 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6188 if (gameMode == BeginningOfGame) {
6189 if (appData.noChessProgram) {
6190 gameMode = EditGame;
6194 gameMode = MachinePlaysBlack;
6197 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6199 if (first.sendName) {
6200 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6201 SendToProgram(buf, &first);
6208 /* Relay move to ICS or chess engine */
6209 if (appData.icsActive) {
6210 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6211 gameMode == IcsExamining) {
6212 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6213 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6215 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6217 // also send plain move, in case ICS does not understand atomic claims
6218 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6222 if (first.sendTime && (gameMode == BeginningOfGame ||
6223 gameMode == MachinePlaysWhite ||
6224 gameMode == MachinePlaysBlack)) {
6225 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6227 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6228 // [HGM] book: if program might be playing, let it use book
6229 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6230 first.maybeThinking = TRUE;
6231 } else SendMoveToProgram(forwardMostMove-1, &first);
6232 if (currentMove == cmailOldMove + 1) {
6233 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6237 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6241 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6247 if (WhiteOnMove(currentMove)) {
6248 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6250 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6254 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6259 case MachinePlaysBlack:
6260 case MachinePlaysWhite:
6261 /* disable certain menu options while machine is thinking */
6262 SetMachineThinkingEnables();
6269 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6271 if(bookHit) { // [HGM] book: simulate book reply
6272 static char bookMove[MSG_SIZ]; // a bit generous?
6274 programStats.nodes = programStats.depth = programStats.time =
6275 programStats.score = programStats.got_only_move = 0;
6276 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6278 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6279 strcat(bookMove, bookHit);
6280 HandleMachineMove(bookMove, &first);
6286 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6293 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6294 Markers *m = (Markers *) closure;
6295 if(rf == fromY && ff == fromX)
6296 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6297 || kind == WhiteCapturesEnPassant
6298 || kind == BlackCapturesEnPassant);
6299 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6303 MarkTargetSquares(int clear)
6306 if(!appData.markers || !appData.highlightDragging ||
6307 !appData.testLegality || gameMode == EditPosition) return;
6309 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6312 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6313 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6314 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6316 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6319 DrawPosition(TRUE, NULL);
6322 void LeftClick(ClickType clickType, int xPix, int yPix)
6325 Boolean saveAnimate;
6326 static int second = 0, promotionChoice = 0, dragging = 0;
6327 char promoChoice = NULLCHAR;
6329 if(appData.seekGraph && appData.icsActive && loggedOn &&
6330 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6331 SeekGraphClick(clickType, xPix, yPix, 0);
6335 if (clickType == Press) ErrorPopDown();
6336 MarkTargetSquares(1);
6338 x = EventToSquare(xPix, BOARD_WIDTH);
6339 y = EventToSquare(yPix, BOARD_HEIGHT);
6340 if (!flipView && y >= 0) {
6341 y = BOARD_HEIGHT - 1 - y;
6343 if (flipView && x >= 0) {
6344 x = BOARD_WIDTH - 1 - x;
6347 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6348 if(clickType == Release) return; // ignore upclick of click-click destination
6349 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6350 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6351 if(gameInfo.holdingsWidth &&
6352 (WhiteOnMove(currentMove)
6353 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6354 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6355 // click in right holdings, for determining promotion piece
6356 ChessSquare p = boards[currentMove][y][x];
6357 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6358 if(p != EmptySquare) {
6359 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6364 DrawPosition(FALSE, boards[currentMove]);
6368 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6369 if(clickType == Press
6370 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6371 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6372 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6375 autoQueen = appData.alwaysPromoteToQueen;
6378 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6379 if (clickType == Press) {
6381 if (OKToStartUserMove(x, y)) {
6385 MarkTargetSquares(0);
6386 DragPieceBegin(xPix, yPix); dragging = 1;
6387 if (appData.highlightDragging) {
6388 SetHighlights(x, y, -1, -1);
6391 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6392 DragPieceEnd(xPix, yPix); dragging = 0;
6393 DrawPosition(FALSE, NULL);
6400 if (clickType == Press && gameMode != EditPosition) {
6405 // ignore off-board to clicks
6406 if(y < 0 || x < 0) return;
6408 /* Check if clicking again on the same color piece */
6409 fromP = boards[currentMove][fromY][fromX];
6410 toP = boards[currentMove][y][x];
6411 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6412 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6413 WhitePawn <= toP && toP <= WhiteKing &&
6414 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6415 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6416 (BlackPawn <= fromP && fromP <= BlackKing &&
6417 BlackPawn <= toP && toP <= BlackKing &&
6418 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6419 !(fromP == BlackKing && toP == BlackRook && frc))) {
6420 /* Clicked again on same color piece -- changed his mind */
6421 second = (x == fromX && y == fromY);
6422 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6423 if (appData.highlightDragging) {
6424 SetHighlights(x, y, -1, -1);
6428 if (OKToStartUserMove(x, y)) {
6430 fromY = y; dragging = 1;
6431 MarkTargetSquares(0);
6432 DragPieceBegin(xPix, yPix);
6437 // ignore clicks on holdings
6438 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6441 if (clickType == Release && x == fromX && y == fromY) {
6442 DragPieceEnd(xPix, yPix); dragging = 0;
6443 if (appData.animateDragging) {
6444 /* Undo animation damage if any */
6445 DrawPosition(FALSE, NULL);
6448 /* Second up/down in same square; just abort move */
6453 ClearPremoveHighlights();
6455 /* First upclick in same square; start click-click mode */
6456 SetHighlights(x, y, -1, -1);
6461 /* we now have a different from- and (possibly off-board) to-square */
6462 /* Completed move */
6465 saveAnimate = appData.animate;
6466 if (clickType == Press) {
6467 /* Finish clickclick move */
6468 if (appData.animate || appData.highlightLastMove) {
6469 SetHighlights(fromX, fromY, toX, toY);
6474 /* Finish drag move */
6475 if (appData.highlightLastMove) {
6476 SetHighlights(fromX, fromY, toX, toY);
6480 DragPieceEnd(xPix, yPix); dragging = 0;
6481 /* Don't animate move and drag both */
6482 appData.animate = FALSE;
6485 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6486 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6487 ChessSquare piece = boards[currentMove][fromY][fromX];
6488 if(gameMode == EditPosition && piece != EmptySquare &&
6489 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6492 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6493 n = PieceToNumber(piece - (int)BlackPawn);
6494 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6495 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6496 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6498 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6499 n = PieceToNumber(piece);
6500 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6501 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6502 boards[currentMove][n][BOARD_WIDTH-2]++;
6504 boards[currentMove][fromY][fromX] = EmptySquare;
6508 DrawPosition(TRUE, boards[currentMove]);
6512 // off-board moves should not be highlighted
6513 if(x < 0 || x < 0) ClearHighlights();
6515 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6516 SetHighlights(fromX, fromY, toX, toY);
6517 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6518 // [HGM] super: promotion to captured piece selected from holdings
6519 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6520 promotionChoice = TRUE;
6521 // kludge follows to temporarily execute move on display, without promoting yet
6522 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6523 boards[currentMove][toY][toX] = p;
6524 DrawPosition(FALSE, boards[currentMove]);
6525 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6526 boards[currentMove][toY][toX] = q;
6527 DisplayMessage("Click in holdings to choose piece", "");
6532 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6533 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6534 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6537 appData.animate = saveAnimate;
6538 if (appData.animate || appData.animateDragging) {
6539 /* Undo animation damage if needed */
6540 DrawPosition(FALSE, NULL);
6544 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6545 { // front-end-free part taken out of PieceMenuPopup
6546 int whichMenu; int xSqr, ySqr;
6548 if(seekGraphUp) { // [HGM] seekgraph
6549 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6550 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6554 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6555 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6556 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6557 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6558 if(action == Press) {
6559 originalFlip = flipView;
6560 flipView = !flipView; // temporarily flip board to see game from partners perspective
6561 DrawPosition(TRUE, partnerBoard);
6562 DisplayMessage(partnerStatus, "");
6564 } else if(action == Release) {
6565 flipView = originalFlip;
6566 DrawPosition(TRUE, boards[currentMove]);
6572 xSqr = EventToSquare(x, BOARD_WIDTH);
6573 ySqr = EventToSquare(y, BOARD_HEIGHT);
6574 if (action == Release) UnLoadPV(); // [HGM] pv
6575 if (action != Press) return -2; // return code to be ignored
6578 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6580 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6581 if (xSqr < 0 || ySqr < 0) return -1;
\r
6582 whichMenu = 0; // edit-position menu
6585 if(!appData.icsEngineAnalyze) return -1;
6586 case IcsPlayingWhite:
6587 case IcsPlayingBlack:
6588 if(!appData.zippyPlay) goto noZip;
6591 case MachinePlaysWhite:
6592 case MachinePlaysBlack:
6593 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6594 if (!appData.dropMenu) {
6596 return 2; // flag front-end to grab mouse events
6598 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6599 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6602 if (xSqr < 0 || ySqr < 0) return -1;
6603 if (!appData.dropMenu || appData.testLegality &&
6604 gameInfo.variant != VariantBughouse &&
6605 gameInfo.variant != VariantCrazyhouse) return -1;
6606 whichMenu = 1; // drop menu
6612 if (((*fromX = xSqr) < 0) ||
6613 ((*fromY = ySqr) < 0)) {
6614 *fromX = *fromY = -1;
6618 *fromX = BOARD_WIDTH - 1 - *fromX;
6620 *fromY = BOARD_HEIGHT - 1 - *fromY;
6625 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6627 // char * hint = lastHint;
6628 FrontEndProgramStats stats;
6630 stats.which = cps == &first ? 0 : 1;
6631 stats.depth = cpstats->depth;
6632 stats.nodes = cpstats->nodes;
6633 stats.score = cpstats->score;
6634 stats.time = cpstats->time;
6635 stats.pv = cpstats->movelist;
6636 stats.hint = lastHint;
6637 stats.an_move_index = 0;
6638 stats.an_move_count = 0;
6640 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6641 stats.hint = cpstats->move_name;
6642 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6643 stats.an_move_count = cpstats->nr_moves;
6646 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
6648 SetProgramStats( &stats );
6652 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6653 { // count all piece types
6655 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6656 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6657 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6660 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6661 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6662 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6663 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6664 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6665 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6670 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6672 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6673 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6675 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6676 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6677 if(myPawns == 2 && nMine == 3) // KPP
6678 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6679 if(myPawns == 1 && nMine == 2) // KP
6680 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6681 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6682 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6683 if(myPawns) return FALSE;
6684 if(pCnt[WhiteRook+side])
6685 return pCnt[BlackRook-side] ||
6686 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6687 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6688 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6689 if(pCnt[WhiteCannon+side]) {
6690 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6691 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6693 if(pCnt[WhiteKnight+side])
6694 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6699 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6701 VariantClass v = gameInfo.variant;
6703 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6704 if(v == VariantShatranj) return TRUE; // always winnable through baring
6705 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6706 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6708 if(v == VariantXiangqi) {
6709 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6711 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6712 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6713 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6714 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6715 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6716 if(stale) // we have at least one last-rank P plus perhaps C
6717 return majors // KPKX
6718 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6720 return pCnt[WhiteFerz+side] // KCAK
6721 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6722 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6723 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6725 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6726 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6728 if(nMine == 1) return FALSE; // bare King
6729 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
6730 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6731 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6732 // by now we have King + 1 piece (or multiple Bishops on the same color)
6733 if(pCnt[WhiteKnight+side])
6734 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6735 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6736 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6738 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6739 if(pCnt[WhiteAlfil+side])
6740 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6741 if(pCnt[WhiteWazir+side])
6742 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6749 Adjudicate(ChessProgramState *cps)
6750 { // [HGM] some adjudications useful with buggy engines
6751 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6752 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6753 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6754 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6755 int k, count = 0; static int bare = 1;
6756 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6757 Boolean canAdjudicate = !appData.icsActive;
6759 // most tests only when we understand the game, i.e. legality-checking on
6760 if( appData.testLegality )
6761 { /* [HGM] Some more adjudications for obstinate engines */
6762 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6763 static int moveCount = 6;
6765 char *reason = NULL;
6767 /* Count what is on board. */
6768 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6770 /* Some material-based adjudications that have to be made before stalemate test */
6771 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6772 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6773 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6774 if(canAdjudicate && appData.checkMates) {
6776 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6777 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6778 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6779 "Xboard adjudication: King destroyed", GE_XBOARD );
6784 /* Bare King in Shatranj (loses) or Losers (wins) */
6785 if( nrW == 1 || nrB == 1) {
6786 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6787 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6788 if(canAdjudicate && appData.checkMates) {
6790 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6791 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6792 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6793 "Xboard adjudication: Bare king", GE_XBOARD );
6797 if( gameInfo.variant == VariantShatranj && --bare < 0)
6799 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6800 if(canAdjudicate && appData.checkMates) {
6801 /* but only adjudicate if adjudication enabled */
6803 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6804 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6805 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6806 "Xboard adjudication: Bare king", GE_XBOARD );
6813 // don't wait for engine to announce game end if we can judge ourselves
6814 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6816 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6817 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6818 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6819 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6822 reason = "Xboard adjudication: 3rd check";
6823 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6833 reason = "Xboard adjudication: Stalemate";
6834 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6835 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6836 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6837 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6838 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6839 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6840 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6841 EP_CHECKMATE : EP_WINS);
6842 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6843 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6847 reason = "Xboard adjudication: Checkmate";
6848 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6852 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6854 result = GameIsDrawn; break;
6856 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6858 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6862 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6864 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6865 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6866 GameEnds( result, reason, GE_XBOARD );
6870 /* Next absolutely insufficient mating material. */
6871 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6872 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6873 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6875 /* always flag draws, for judging claims */
6876 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6878 if(canAdjudicate && appData.materialDraws) {
6879 /* but only adjudicate them if adjudication enabled */
6880 if(engineOpponent) {
6881 SendToProgram("force\n", engineOpponent); // suppress reply
6882 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6884 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6885 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6890 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6891 if(gameInfo.variant == VariantXiangqi ?
6892 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6894 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6895 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6896 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6897 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6899 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6900 { /* if the first 3 moves do not show a tactical win, declare draw */
6901 if(engineOpponent) {
6902 SendToProgram("force\n", engineOpponent); // suppress reply
6903 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6905 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6906 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6909 } else moveCount = 6;
6911 if (appData.debugMode) { int i;
6912 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6913 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6914 appData.drawRepeats);
6915 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6916 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6920 // Repetition draws and 50-move rule can be applied independently of legality testing
6922 /* Check for rep-draws */
6924 for(k = forwardMostMove-2;
6925 k>=backwardMostMove && k>=forwardMostMove-100 &&
6926 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6927 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6930 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6931 /* compare castling rights */
6932 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6933 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6934 rights++; /* King lost rights, while rook still had them */
6935 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6936 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6937 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6938 rights++; /* but at least one rook lost them */
6940 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6941 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6943 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6944 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6945 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6948 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6949 && appData.drawRepeats > 1) {
6950 /* adjudicate after user-specified nr of repeats */
6951 int result = GameIsDrawn;
6952 char *details = "XBoard adjudication: repetition draw";
6953 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6954 // [HGM] xiangqi: check for forbidden perpetuals
6955 int m, ourPerpetual = 1, hisPerpetual = 1;
6956 for(m=forwardMostMove; m>k; m-=2) {
6957 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6958 ourPerpetual = 0; // the current mover did not always check
6959 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6960 hisPerpetual = 0; // the opponent did not always check
6962 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6963 ourPerpetual, hisPerpetual);
6964 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6965 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6966 details = "Xboard adjudication: perpetual checking";
6968 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6969 break; // (or we would have caught him before). Abort repetition-checking loop.
6971 // Now check for perpetual chases
6972 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6973 hisPerpetual = PerpetualChase(k, forwardMostMove);
6974 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6975 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6976 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6977 details = "Xboard adjudication: perpetual chasing";
6979 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6980 break; // Abort repetition-checking loop.
6982 // if neither of us is checking or chasing all the time, or both are, it is draw
6984 if(engineOpponent) {
6985 SendToProgram("force\n", engineOpponent); // suppress reply
6986 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6988 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6989 GameEnds( result, details, GE_XBOARD );
6992 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6993 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6997 /* Now we test for 50-move draws. Determine ply count */
6998 count = forwardMostMove;
6999 /* look for last irreversble move */
7000 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7002 /* if we hit starting position, add initial plies */
7003 if( count == backwardMostMove )
7004 count -= initialRulePlies;
7005 count = forwardMostMove - count;
7006 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7007 // adjust reversible move counter for checks in Xiangqi
7008 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7009 if(i < backwardMostMove) i = backwardMostMove;
7010 while(i <= forwardMostMove) {
7011 lastCheck = inCheck; // check evasion does not count
7012 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7013 if(inCheck || lastCheck) count--; // check does not count
7018 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7019 /* this is used to judge if draw claims are legal */
7020 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7021 if(engineOpponent) {
7022 SendToProgram("force\n", engineOpponent); // suppress reply
7023 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7025 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7026 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7030 /* if draw offer is pending, treat it as a draw claim
7031 * when draw condition present, to allow engines a way to
7032 * claim draws before making their move to avoid a race
7033 * condition occurring after their move
7035 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7037 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7038 p = "Draw claim: 50-move rule";
7039 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7040 p = "Draw claim: 3-fold repetition";
7041 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7042 p = "Draw claim: insufficient mating material";
7043 if( p != NULL && canAdjudicate) {
7044 if(engineOpponent) {
7045 SendToProgram("force\n", engineOpponent); // suppress reply
7046 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7048 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7049 GameEnds( GameIsDrawn, p, GE_XBOARD );
7054 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7055 if(engineOpponent) {
7056 SendToProgram("force\n", engineOpponent); // suppress reply
7057 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7059 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7060 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7066 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7067 { // [HGM] book: this routine intercepts moves to simulate book replies
7068 char *bookHit = NULL;
7070 //first determine if the incoming move brings opponent into his book
7071 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7072 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7073 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7074 if(bookHit != NULL && !cps->bookSuspend) {
7075 // make sure opponent is not going to reply after receiving move to book position
7076 SendToProgram("force\n", cps);
7077 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7079 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7080 // now arrange restart after book miss
7082 // after a book hit we never send 'go', and the code after the call to this routine
7083 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7085 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7086 SendToProgram(buf, cps);
7087 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7088 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7089 SendToProgram("go\n", cps);
7090 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7091 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7092 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7093 SendToProgram("go\n", cps);
7094 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7096 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7100 ChessProgramState *savedState;
7101 void DeferredBookMove(void)
7103 if(savedState->lastPing != savedState->lastPong)
7104 ScheduleDelayedEvent(DeferredBookMove, 10);
7106 HandleMachineMove(savedMessage, savedState);
7110 HandleMachineMove(message, cps)
7112 ChessProgramState *cps;
7114 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7115 char realname[MSG_SIZ];
7116 int fromX, fromY, toX, toY;
7125 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7127 * Kludge to ignore BEL characters
7129 while (*message == '\007') message++;
7132 * [HGM] engine debug message: ignore lines starting with '#' character
7134 if(cps->debug && *message == '#') return;
7137 * Look for book output
7139 if (cps == &first && bookRequested) {
7140 if (message[0] == '\t' || message[0] == ' ') {
7141 /* Part of the book output is here; append it */
7142 strcat(bookOutput, message);
7143 strcat(bookOutput, " \n");
7145 } else if (bookOutput[0] != NULLCHAR) {
7146 /* All of book output has arrived; display it */
7147 char *p = bookOutput;
7148 while (*p != NULLCHAR) {
7149 if (*p == '\t') *p = ' ';
7152 DisplayInformation(bookOutput);
7153 bookRequested = FALSE;
7154 /* Fall through to parse the current output */
7159 * Look for machine move.
7161 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7162 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7164 /* This method is only useful on engines that support ping */
7165 if (cps->lastPing != cps->lastPong) {
7166 if (gameMode == BeginningOfGame) {
7167 /* Extra move from before last new; ignore */
7168 if (appData.debugMode) {
7169 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7172 if (appData.debugMode) {
7173 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7174 cps->which, gameMode);
7177 SendToProgram("undo\n", cps);
7183 case BeginningOfGame:
7184 /* Extra move from before last reset; ignore */
7185 if (appData.debugMode) {
7186 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7193 /* Extra move after we tried to stop. The mode test is
7194 not a reliable way of detecting this problem, but it's
7195 the best we can do on engines that don't support ping.
7197 if (appData.debugMode) {
7198 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7199 cps->which, gameMode);
7201 SendToProgram("undo\n", cps);
7204 case MachinePlaysWhite:
7205 case IcsPlayingWhite:
7206 machineWhite = TRUE;
7209 case MachinePlaysBlack:
7210 case IcsPlayingBlack:
7211 machineWhite = FALSE;
7214 case TwoMachinesPlay:
7215 machineWhite = (cps->twoMachinesColor[0] == 'w');
7218 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7219 if (appData.debugMode) {
7221 "Ignoring move out of turn by %s, gameMode %d"
7222 ", forwardMost %d\n",
7223 cps->which, gameMode, forwardMostMove);
7228 if (appData.debugMode) { int f = forwardMostMove;
7229 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7230 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7231 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7233 if(cps->alphaRank) AlphaRank(machineMove, 4);
7234 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7235 &fromX, &fromY, &toX, &toY, &promoChar)) {
7236 /* Machine move could not be parsed; ignore it. */
7237 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7238 machineMove, cps->which);
7239 DisplayError(buf1, 0);
7240 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7241 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7242 if (gameMode == TwoMachinesPlay) {
7243 GameEnds(machineWhite ? BlackWins : WhiteWins,
7249 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7250 /* So we have to redo legality test with true e.p. status here, */
7251 /* to make sure an illegal e.p. capture does not slip through, */
7252 /* to cause a forfeit on a justified illegal-move complaint */
7253 /* of the opponent. */
7254 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7256 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7257 fromY, fromX, toY, toX, promoChar);
7258 if (appData.debugMode) {
7260 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7261 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7262 fprintf(debugFP, "castling rights\n");
7264 if(moveType == IllegalMove) {
7265 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7266 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7267 GameEnds(machineWhite ? BlackWins : WhiteWins,
7270 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7271 /* [HGM] Kludge to handle engines that send FRC-style castling
7272 when they shouldn't (like TSCP-Gothic) */
7274 case WhiteASideCastleFR:
7275 case BlackASideCastleFR:
7277 currentMoveString[2]++;
7279 case WhiteHSideCastleFR:
7280 case BlackHSideCastleFR:
7282 currentMoveString[2]--;
7284 default: ; // nothing to do, but suppresses warning of pedantic compilers
7287 hintRequested = FALSE;
7288 lastHint[0] = NULLCHAR;
7289 bookRequested = FALSE;
7290 /* Program may be pondering now */
7291 cps->maybeThinking = TRUE;
7292 if (cps->sendTime == 2) cps->sendTime = 1;
7293 if (cps->offeredDraw) cps->offeredDraw--;
7295 /* currentMoveString is set as a side-effect of ParseOneMove */
7296 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7297 strcat(machineMove, "\n");
7298 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7300 /* [AS] Save move info*/
7301 pvInfoList[ forwardMostMove ].score = programStats.score;
7302 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7303 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7305 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7307 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7308 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7311 while( count < adjudicateLossPlies ) {
7312 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7315 score = -score; /* Flip score for winning side */
7318 if( score > adjudicateLossThreshold ) {
7325 if( count >= adjudicateLossPlies ) {
7326 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7328 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7329 "Xboard adjudication",
7336 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7339 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7341 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7342 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7344 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7346 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7348 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7349 char buf[3*MSG_SIZ];
7351 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7352 programStats.score / 100.,
7354 programStats.time / 100.,
7355 (unsigned int)programStats.nodes,
7356 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7357 programStats.movelist);
7359 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7364 /* [AS] Clear stats for next move */
7365 ClearProgramStats();
7366 thinkOutput[0] = NULLCHAR;
7367 hiddenThinkOutputState = 0;
7370 if (gameMode == TwoMachinesPlay) {
7371 /* [HGM] relaying draw offers moved to after reception of move */
7372 /* and interpreting offer as claim if it brings draw condition */
7373 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7374 SendToProgram("draw\n", cps->other);
7376 if (cps->other->sendTime) {
7377 SendTimeRemaining(cps->other,
7378 cps->other->twoMachinesColor[0] == 'w');
7380 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7381 if (firstMove && !bookHit) {
7383 if (cps->other->useColors) {
7384 SendToProgram(cps->other->twoMachinesColor, cps->other);
7386 SendToProgram("go\n", cps->other);
7388 cps->other->maybeThinking = TRUE;
7391 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7393 if (!pausing && appData.ringBellAfterMoves) {
7398 * Reenable menu items that were disabled while
7399 * machine was thinking
7401 if (gameMode != TwoMachinesPlay)
7402 SetUserThinkingEnables();
7404 // [HGM] book: after book hit opponent has received move and is now in force mode
7405 // force the book reply into it, and then fake that it outputted this move by jumping
7406 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7408 static char bookMove[MSG_SIZ]; // a bit generous?
7410 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7411 strcat(bookMove, bookHit);
7414 programStats.nodes = programStats.depth = programStats.time =
7415 programStats.score = programStats.got_only_move = 0;
7416 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7418 if(cps->lastPing != cps->lastPong) {
7419 savedMessage = message; // args for deferred call
7421 ScheduleDelayedEvent(DeferredBookMove, 10);
7430 /* Set special modes for chess engines. Later something general
7431 * could be added here; for now there is just one kludge feature,
7432 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7433 * when "xboard" is given as an interactive command.
7435 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7436 cps->useSigint = FALSE;
7437 cps->useSigterm = FALSE;
7439 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7440 ParseFeatures(message+8, cps);
7441 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7444 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7445 * want this, I was asked to put it in, and obliged.
7447 if (!strncmp(message, "setboard ", 9)) {
7448 Board initial_position;
7450 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7452 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7453 DisplayError(_("Bad FEN received from engine"), 0);
7457 CopyBoard(boards[0], initial_position);
7458 initialRulePlies = FENrulePlies;
7459 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7460 else gameMode = MachinePlaysBlack;
7461 DrawPosition(FALSE, boards[currentMove]);
7467 * Look for communication commands
7469 if (!strncmp(message, "telluser ", 9)) {
7470 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7471 DisplayNote(message + 9);
7474 if (!strncmp(message, "tellusererror ", 14)) {
7476 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7477 DisplayError(message + 14, 0);
7480 if (!strncmp(message, "tellopponent ", 13)) {
7481 if (appData.icsActive) {
7483 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7487 DisplayNote(message + 13);
7491 if (!strncmp(message, "tellothers ", 11)) {
7492 if (appData.icsActive) {
7494 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7500 if (!strncmp(message, "tellall ", 8)) {
7501 if (appData.icsActive) {
7503 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7507 DisplayNote(message + 8);
7511 if (strncmp(message, "warning", 7) == 0) {
7512 /* Undocumented feature, use tellusererror in new code */
7513 DisplayError(message, 0);
7516 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7517 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7518 strcat(realname, " query");
7519 AskQuestion(realname, buf2, buf1, cps->pr);
7522 /* Commands from the engine directly to ICS. We don't allow these to be
7523 * sent until we are logged on. Crafty kibitzes have been known to
7524 * interfere with the login process.
7527 if (!strncmp(message, "tellics ", 8)) {
7528 SendToICS(message + 8);
7532 if (!strncmp(message, "tellicsnoalias ", 15)) {
7533 SendToICS(ics_prefix);
7534 SendToICS(message + 15);
7538 /* The following are for backward compatibility only */
7539 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7540 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7541 SendToICS(ics_prefix);
7547 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7551 * If the move is illegal, cancel it and redraw the board.
7552 * Also deal with other error cases. Matching is rather loose
7553 * here to accommodate engines written before the spec.
7555 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7556 strncmp(message, "Error", 5) == 0) {
7557 if (StrStr(message, "name") ||
7558 StrStr(message, "rating") || StrStr(message, "?") ||
7559 StrStr(message, "result") || StrStr(message, "board") ||
7560 StrStr(message, "bk") || StrStr(message, "computer") ||
7561 StrStr(message, "variant") || StrStr(message, "hint") ||
7562 StrStr(message, "random") || StrStr(message, "depth") ||
7563 StrStr(message, "accepted")) {
7566 if (StrStr(message, "protover")) {
7567 /* Program is responding to input, so it's apparently done
7568 initializing, and this error message indicates it is
7569 protocol version 1. So we don't need to wait any longer
7570 for it to initialize and send feature commands. */
7571 FeatureDone(cps, 1);
7572 cps->protocolVersion = 1;
7575 cps->maybeThinking = FALSE;
7577 if (StrStr(message, "draw")) {
7578 /* Program doesn't have "draw" command */
7579 cps->sendDrawOffers = 0;
7582 if (cps->sendTime != 1 &&
7583 (StrStr(message, "time") || StrStr(message, "otim"))) {
7584 /* Program apparently doesn't have "time" or "otim" command */
7588 if (StrStr(message, "analyze")) {
7589 cps->analysisSupport = FALSE;
7590 cps->analyzing = FALSE;
7592 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7593 DisplayError(buf2, 0);
7596 if (StrStr(message, "(no matching move)st")) {
7597 /* Special kludge for GNU Chess 4 only */
7598 cps->stKludge = TRUE;
7599 SendTimeControl(cps, movesPerSession, timeControl,
7600 timeIncrement, appData.searchDepth,
7604 if (StrStr(message, "(no matching move)sd")) {
7605 /* Special kludge for GNU Chess 4 only */
7606 cps->sdKludge = TRUE;
7607 SendTimeControl(cps, movesPerSession, timeControl,
7608 timeIncrement, appData.searchDepth,
7612 if (!StrStr(message, "llegal")) {
7615 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7616 gameMode == IcsIdle) return;
7617 if (forwardMostMove <= backwardMostMove) return;
7618 if (pausing) PauseEvent();
7619 if(appData.forceIllegal) {
7620 // [HGM] illegal: machine refused move; force position after move into it
7621 SendToProgram("force\n", cps);
7622 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7623 // we have a real problem now, as SendBoard will use the a2a3 kludge
7624 // when black is to move, while there might be nothing on a2 or black
7625 // might already have the move. So send the board as if white has the move.
7626 // But first we must change the stm of the engine, as it refused the last move
7627 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7628 if(WhiteOnMove(forwardMostMove)) {
7629 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7630 SendBoard(cps, forwardMostMove); // kludgeless board
7632 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7633 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7634 SendBoard(cps, forwardMostMove+1); // kludgeless board
7636 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7637 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7638 gameMode == TwoMachinesPlay)
7639 SendToProgram("go\n", cps);
7642 if (gameMode == PlayFromGameFile) {
7643 /* Stop reading this game file */
7644 gameMode = EditGame;
7647 currentMove = forwardMostMove-1;
7648 DisplayMove(currentMove-1); /* before DisplayMoveError */
7649 SwitchClocks(forwardMostMove-1); // [HGM] race
7650 DisplayBothClocks();
7651 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7652 parseList[currentMove], cps->which);
7653 DisplayMoveError(buf1);
7654 DrawPosition(FALSE, boards[currentMove]);
7656 /* [HGM] illegal-move claim should forfeit game when Xboard */
7657 /* only passes fully legal moves */
7658 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7659 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7660 "False illegal-move claim", GE_XBOARD );
7664 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7665 /* Program has a broken "time" command that
7666 outputs a string not ending in newline.
7672 * If chess program startup fails, exit with an error message.
7673 * Attempts to recover here are futile.
7675 if ((StrStr(message, "unknown host") != NULL)
7676 || (StrStr(message, "No remote directory") != NULL)
7677 || (StrStr(message, "not found") != NULL)
7678 || (StrStr(message, "No such file") != NULL)
7679 || (StrStr(message, "can't alloc") != NULL)
7680 || (StrStr(message, "Permission denied") != NULL)) {
7682 cps->maybeThinking = FALSE;
7683 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7684 cps->which, cps->program, cps->host, message);
7685 RemoveInputSource(cps->isr);
7686 DisplayFatalError(buf1, 0, 1);
7691 * Look for hint output
7693 if (sscanf(message, "Hint: %s", buf1) == 1) {
7694 if (cps == &first && hintRequested) {
7695 hintRequested = FALSE;
7696 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7697 &fromX, &fromY, &toX, &toY, &promoChar)) {
7698 (void) CoordsToAlgebraic(boards[forwardMostMove],
7699 PosFlags(forwardMostMove),
7700 fromY, fromX, toY, toX, promoChar, buf1);
7701 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7702 DisplayInformation(buf2);
7704 /* Hint move could not be parsed!? */
7705 snprintf(buf2, sizeof(buf2),
7706 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7708 DisplayError(buf2, 0);
7711 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7717 * Ignore other messages if game is not in progress
7719 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7720 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7723 * look for win, lose, draw, or draw offer
7725 if (strncmp(message, "1-0", 3) == 0) {
7726 char *p, *q, *r = "";
7727 p = strchr(message, '{');
7735 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7737 } else if (strncmp(message, "0-1", 3) == 0) {
7738 char *p, *q, *r = "";
7739 p = strchr(message, '{');
7747 /* Kludge for Arasan 4.1 bug */
7748 if (strcmp(r, "Black resigns") == 0) {
7749 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7752 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7754 } else if (strncmp(message, "1/2", 3) == 0) {
7755 char *p, *q, *r = "";
7756 p = strchr(message, '{');
7765 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7768 } else if (strncmp(message, "White resign", 12) == 0) {
7769 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7771 } else if (strncmp(message, "Black resign", 12) == 0) {
7772 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7774 } else if (strncmp(message, "White matches", 13) == 0 ||
7775 strncmp(message, "Black matches", 13) == 0 ) {
7776 /* [HGM] ignore GNUShogi noises */
7778 } else if (strncmp(message, "White", 5) == 0 &&
7779 message[5] != '(' &&
7780 StrStr(message, "Black") == NULL) {
7781 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7783 } else if (strncmp(message, "Black", 5) == 0 &&
7784 message[5] != '(') {
7785 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7787 } else if (strcmp(message, "resign") == 0 ||
7788 strcmp(message, "computer resigns") == 0) {
7790 case MachinePlaysBlack:
7791 case IcsPlayingBlack:
7792 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7794 case MachinePlaysWhite:
7795 case IcsPlayingWhite:
7796 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7798 case TwoMachinesPlay:
7799 if (cps->twoMachinesColor[0] == 'w')
7800 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7802 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7809 } else if (strncmp(message, "opponent mates", 14) == 0) {
7811 case MachinePlaysBlack:
7812 case IcsPlayingBlack:
7813 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7815 case MachinePlaysWhite:
7816 case IcsPlayingWhite:
7817 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7819 case TwoMachinesPlay:
7820 if (cps->twoMachinesColor[0] == 'w')
7821 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7823 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7830 } else if (strncmp(message, "computer mates", 14) == 0) {
7832 case MachinePlaysBlack:
7833 case IcsPlayingBlack:
7834 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7836 case MachinePlaysWhite:
7837 case IcsPlayingWhite:
7838 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7840 case TwoMachinesPlay:
7841 if (cps->twoMachinesColor[0] == 'w')
7842 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7844 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7851 } else if (strncmp(message, "checkmate", 9) == 0) {
7852 if (WhiteOnMove(forwardMostMove)) {
7853 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7855 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7858 } else if (strstr(message, "Draw") != NULL ||
7859 strstr(message, "game is a draw") != NULL) {
7860 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7862 } else if (strstr(message, "offer") != NULL &&
7863 strstr(message, "draw") != NULL) {
7865 if (appData.zippyPlay && first.initDone) {
7866 /* Relay offer to ICS */
7867 SendToICS(ics_prefix);
7868 SendToICS("draw\n");
7871 cps->offeredDraw = 2; /* valid until this engine moves twice */
7872 if (gameMode == TwoMachinesPlay) {
7873 if (cps->other->offeredDraw) {
7874 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7875 /* [HGM] in two-machine mode we delay relaying draw offer */
7876 /* until after we also have move, to see if it is really claim */
7878 } else if (gameMode == MachinePlaysWhite ||
7879 gameMode == MachinePlaysBlack) {
7880 if (userOfferedDraw) {
7881 DisplayInformation(_("Machine accepts your draw offer"));
7882 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7884 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7891 * Look for thinking output
7893 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7894 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7896 int plylev, mvleft, mvtot, curscore, time;
7897 char mvname[MOVE_LEN];
7901 int prefixHint = FALSE;
7902 mvname[0] = NULLCHAR;
7905 case MachinePlaysBlack:
7906 case IcsPlayingBlack:
7907 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7909 case MachinePlaysWhite:
7910 case IcsPlayingWhite:
7911 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7916 case IcsObserving: /* [DM] icsEngineAnalyze */
7917 if (!appData.icsEngineAnalyze) ignore = TRUE;
7919 case TwoMachinesPlay:
7920 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7930 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7932 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7933 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7935 if (plyext != ' ' && plyext != '\t') {
7939 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7940 if( cps->scoreIsAbsolute &&
7941 ( gameMode == MachinePlaysBlack ||
7942 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7943 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7944 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7945 !WhiteOnMove(currentMove)
7948 curscore = -curscore;
7952 tempStats.depth = plylev;
7953 tempStats.nodes = nodes;
7954 tempStats.time = time;
7955 tempStats.score = curscore;
7956 tempStats.got_only_move = 0;
7958 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7961 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7962 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7963 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7964 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7965 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7966 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7967 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7968 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7971 /* Buffer overflow protection */
7972 if (buf1[0] != NULLCHAR) {
7973 if (strlen(buf1) >= sizeof(tempStats.movelist)
7974 && appData.debugMode) {
7976 "PV is too long; using the first %u bytes.\n",
7977 (unsigned) sizeof(tempStats.movelist) - 1);
7980 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
7982 sprintf(tempStats.movelist, " no PV\n");
7985 if (tempStats.seen_stat) {
7986 tempStats.ok_to_send = 1;
7989 if (strchr(tempStats.movelist, '(') != NULL) {
7990 tempStats.line_is_book = 1;
7991 tempStats.nr_moves = 0;
7992 tempStats.moves_left = 0;
7994 tempStats.line_is_book = 0;
7997 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7998 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8000 SendProgramStatsToFrontend( cps, &tempStats );
8003 [AS] Protect the thinkOutput buffer from overflow... this
8004 is only useful if buf1 hasn't overflowed first!
8006 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8008 (gameMode == TwoMachinesPlay ?
8009 ToUpper(cps->twoMachinesColor[0]) : ' '),
8010 ((double) curscore) / 100.0,
8011 prefixHint ? lastHint : "",
8012 prefixHint ? " " : "" );
8014 if( buf1[0] != NULLCHAR ) {
8015 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8017 if( strlen(buf1) > max_len ) {
8018 if( appData.debugMode) {
8019 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8021 buf1[max_len+1] = '\0';
8024 strcat( thinkOutput, buf1 );
8027 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8028 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8029 DisplayMove(currentMove - 1);
8033 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8034 /* crafty (9.25+) says "(only move) <move>"
8035 * if there is only 1 legal move
8037 sscanf(p, "(only move) %s", buf1);
8038 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8039 sprintf(programStats.movelist, "%s (only move)", buf1);
8040 programStats.depth = 1;
8041 programStats.nr_moves = 1;
8042 programStats.moves_left = 1;
8043 programStats.nodes = 1;
8044 programStats.time = 1;
8045 programStats.got_only_move = 1;
8047 /* Not really, but we also use this member to
8048 mean "line isn't going to change" (Crafty
8049 isn't searching, so stats won't change) */
8050 programStats.line_is_book = 1;
8052 SendProgramStatsToFrontend( cps, &programStats );
8054 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8055 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8056 DisplayMove(currentMove - 1);
8059 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8060 &time, &nodes, &plylev, &mvleft,
8061 &mvtot, mvname) >= 5) {
8062 /* The stat01: line is from Crafty (9.29+) in response
8063 to the "." command */
8064 programStats.seen_stat = 1;
8065 cps->maybeThinking = TRUE;
8067 if (programStats.got_only_move || !appData.periodicUpdates)
8070 programStats.depth = plylev;
8071 programStats.time = time;
8072 programStats.nodes = nodes;
8073 programStats.moves_left = mvleft;
8074 programStats.nr_moves = mvtot;
8075 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8076 programStats.ok_to_send = 1;
8077 programStats.movelist[0] = '\0';
8079 SendProgramStatsToFrontend( cps, &programStats );
8083 } else if (strncmp(message,"++",2) == 0) {
8084 /* Crafty 9.29+ outputs this */
8085 programStats.got_fail = 2;
8088 } else if (strncmp(message,"--",2) == 0) {
8089 /* Crafty 9.29+ outputs this */
8090 programStats.got_fail = 1;
8093 } else if (thinkOutput[0] != NULLCHAR &&
8094 strncmp(message, " ", 4) == 0) {
8095 unsigned message_len;
8098 while (*p && *p == ' ') p++;
8100 message_len = strlen( p );
8102 /* [AS] Avoid buffer overflow */
8103 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8104 strcat(thinkOutput, " ");
8105 strcat(thinkOutput, p);
8108 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8109 strcat(programStats.movelist, " ");
8110 strcat(programStats.movelist, p);
8113 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8114 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8115 DisplayMove(currentMove - 1);
8123 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8124 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8126 ChessProgramStats cpstats;
8128 if (plyext != ' ' && plyext != '\t') {
8132 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8133 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8134 curscore = -curscore;
8137 cpstats.depth = plylev;
8138 cpstats.nodes = nodes;
8139 cpstats.time = time;
8140 cpstats.score = curscore;
8141 cpstats.got_only_move = 0;
8142 cpstats.movelist[0] = '\0';
8144 if (buf1[0] != NULLCHAR) {
8145 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8148 cpstats.ok_to_send = 0;
8149 cpstats.line_is_book = 0;
8150 cpstats.nr_moves = 0;
8151 cpstats.moves_left = 0;
8153 SendProgramStatsToFrontend( cps, &cpstats );
8160 /* Parse a game score from the character string "game", and
8161 record it as the history of the current game. The game
8162 score is NOT assumed to start from the standard position.
8163 The display is not updated in any way.
8166 ParseGameHistory(game)
8170 int fromX, fromY, toX, toY, boardIndex;
8175 if (appData.debugMode)
8176 fprintf(debugFP, "Parsing game history: %s\n", game);
8178 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8179 gameInfo.site = StrSave(appData.icsHost);
8180 gameInfo.date = PGNDate();
8181 gameInfo.round = StrSave("-");
8183 /* Parse out names of players */
8184 while (*game == ' ') game++;
8186 while (*game != ' ') *p++ = *game++;
8188 gameInfo.white = StrSave(buf);
8189 while (*game == ' ') game++;
8191 while (*game != ' ' && *game != '\n') *p++ = *game++;
8193 gameInfo.black = StrSave(buf);
8196 boardIndex = blackPlaysFirst ? 1 : 0;
8199 yyboardindex = boardIndex;
8200 moveType = (ChessMove) yylex();
8202 case IllegalMove: /* maybe suicide chess, etc. */
8203 if (appData.debugMode) {
8204 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8205 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8206 setbuf(debugFP, NULL);
8208 case WhitePromotion:
8209 case BlackPromotion:
8210 case WhiteNonPromotion:
8211 case BlackNonPromotion:
8213 case WhiteCapturesEnPassant:
8214 case BlackCapturesEnPassant:
8215 case WhiteKingSideCastle:
8216 case WhiteQueenSideCastle:
8217 case BlackKingSideCastle:
8218 case BlackQueenSideCastle:
8219 case WhiteKingSideCastleWild:
8220 case WhiteQueenSideCastleWild:
8221 case BlackKingSideCastleWild:
8222 case BlackQueenSideCastleWild:
8224 case WhiteHSideCastleFR:
8225 case WhiteASideCastleFR:
8226 case BlackHSideCastleFR:
8227 case BlackASideCastleFR:
8229 fromX = currentMoveString[0] - AAA;
8230 fromY = currentMoveString[1] - ONE;
8231 toX = currentMoveString[2] - AAA;
8232 toY = currentMoveString[3] - ONE;
8233 promoChar = currentMoveString[4];
8237 fromX = moveType == WhiteDrop ?
8238 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8239 (int) CharToPiece(ToLower(currentMoveString[0]));
8241 toX = currentMoveString[2] - AAA;
8242 toY = currentMoveString[3] - ONE;
8243 promoChar = NULLCHAR;
8247 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8248 if (appData.debugMode) {
8249 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8250 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8251 setbuf(debugFP, NULL);
8253 DisplayError(buf, 0);
8255 case ImpossibleMove:
8257 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8258 if (appData.debugMode) {
8259 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8260 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8261 setbuf(debugFP, NULL);
8263 DisplayError(buf, 0);
8266 if (boardIndex < backwardMostMove) {
8267 /* Oops, gap. How did that happen? */
8268 DisplayError(_("Gap in move list"), 0);
8271 backwardMostMove = blackPlaysFirst ? 1 : 0;
8272 if (boardIndex > forwardMostMove) {
8273 forwardMostMove = boardIndex;
8277 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8278 strcat(parseList[boardIndex-1], " ");
8279 strcat(parseList[boardIndex-1], yy_text);
8291 case GameUnfinished:
8292 if (gameMode == IcsExamining) {
8293 if (boardIndex < backwardMostMove) {
8294 /* Oops, gap. How did that happen? */
8297 backwardMostMove = blackPlaysFirst ? 1 : 0;
8300 gameInfo.result = moveType;
8301 p = strchr(yy_text, '{');
8302 if (p == NULL) p = strchr(yy_text, '(');
8305 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8307 q = strchr(p, *p == '{' ? '}' : ')');
8308 if (q != NULL) *q = NULLCHAR;
8311 gameInfo.resultDetails = StrSave(p);
8314 if (boardIndex >= forwardMostMove &&
8315 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8316 backwardMostMove = blackPlaysFirst ? 1 : 0;
8319 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8320 fromY, fromX, toY, toX, promoChar,
8321 parseList[boardIndex]);
8322 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8323 /* currentMoveString is set as a side-effect of yylex */
8324 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8325 strcat(moveList[boardIndex], "\n");
8327 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8328 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8334 if(gameInfo.variant != VariantShogi)
8335 strcat(parseList[boardIndex - 1], "+");
8339 strcat(parseList[boardIndex - 1], "#");
8346 /* Apply a move to the given board */
8348 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8349 int fromX, fromY, toX, toY;
8353 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8354 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8356 /* [HGM] compute & store e.p. status and castling rights for new position */
8357 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8359 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8360 oldEP = (signed char)board[EP_STATUS];
8361 board[EP_STATUS] = EP_NONE;
8363 if( board[toY][toX] != EmptySquare )
8364 board[EP_STATUS] = EP_CAPTURE;
8366 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8367 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8368 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8370 if (fromY == DROP_RANK) {
8372 piece = board[toY][toX] = (ChessSquare) fromX;
8376 if( board[fromY][fromX] == WhitePawn ) {
8377 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8378 board[EP_STATUS] = EP_PAWN_MOVE;
8380 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8381 gameInfo.variant != VariantBerolina || toX < fromX)
8382 board[EP_STATUS] = toX | berolina;
8383 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8384 gameInfo.variant != VariantBerolina || toX > fromX)
8385 board[EP_STATUS] = toX;
8388 if( board[fromY][fromX] == BlackPawn ) {
8389 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8390 board[EP_STATUS] = EP_PAWN_MOVE;
8391 if( toY-fromY== -2) {
8392 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8393 gameInfo.variant != VariantBerolina || toX < fromX)
8394 board[EP_STATUS] = toX | berolina;
8395 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8396 gameInfo.variant != VariantBerolina || toX > fromX)
8397 board[EP_STATUS] = toX;
8401 for(i=0; i<nrCastlingRights; i++) {
8402 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8403 board[CASTLING][i] == toX && castlingRank[i] == toY
8404 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8407 if (fromX == toX && fromY == toY) return;
8409 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8410 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8411 if(gameInfo.variant == VariantKnightmate)
8412 king += (int) WhiteUnicorn - (int) WhiteKing;
8414 /* Code added by Tord: */
8415 /* FRC castling assumed when king captures friendly rook. */
8416 if (board[fromY][fromX] == WhiteKing &&
8417 board[toY][toX] == WhiteRook) {
8418 board[fromY][fromX] = EmptySquare;
8419 board[toY][toX] = EmptySquare;
8421 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8423 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8425 } else if (board[fromY][fromX] == BlackKing &&
8426 board[toY][toX] == BlackRook) {
8427 board[fromY][fromX] = EmptySquare;
8428 board[toY][toX] = EmptySquare;
8430 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8432 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8434 /* End of code added by Tord */
8436 } else if (board[fromY][fromX] == king
8437 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8438 && toY == fromY && toX > fromX+1) {
8439 board[fromY][fromX] = EmptySquare;
8440 board[toY][toX] = king;
8441 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8442 board[fromY][BOARD_RGHT-1] = EmptySquare;
8443 } else if (board[fromY][fromX] == king
8444 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8445 && toY == fromY && toX < fromX-1) {
8446 board[fromY][fromX] = EmptySquare;
8447 board[toY][toX] = king;
8448 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8449 board[fromY][BOARD_LEFT] = EmptySquare;
8450 } else if (board[fromY][fromX] == WhitePawn
8451 && toY >= BOARD_HEIGHT-promoRank
8452 && gameInfo.variant != VariantXiangqi
8454 /* white pawn promotion */
8455 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8456 if (board[toY][toX] == EmptySquare) {
8457 board[toY][toX] = WhiteQueen;
8459 if(gameInfo.variant==VariantBughouse ||
8460 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8461 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8462 board[fromY][fromX] = EmptySquare;
8463 } else if ((fromY == BOARD_HEIGHT-4)
8465 && gameInfo.variant != VariantXiangqi
8466 && gameInfo.variant != VariantBerolina
8467 && (board[fromY][fromX] == WhitePawn)
8468 && (board[toY][toX] == EmptySquare)) {
8469 board[fromY][fromX] = EmptySquare;
8470 board[toY][toX] = WhitePawn;
8471 captured = board[toY - 1][toX];
8472 board[toY - 1][toX] = EmptySquare;
8473 } else if ((fromY == BOARD_HEIGHT-4)
8475 && gameInfo.variant == VariantBerolina
8476 && (board[fromY][fromX] == WhitePawn)
8477 && (board[toY][toX] == EmptySquare)) {
8478 board[fromY][fromX] = EmptySquare;
8479 board[toY][toX] = WhitePawn;
8480 if(oldEP & EP_BEROLIN_A) {
8481 captured = board[fromY][fromX-1];
8482 board[fromY][fromX-1] = EmptySquare;
8483 }else{ captured = board[fromY][fromX+1];
8484 board[fromY][fromX+1] = EmptySquare;
8486 } else if (board[fromY][fromX] == king
8487 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8488 && toY == fromY && toX > fromX+1) {
8489 board[fromY][fromX] = EmptySquare;
8490 board[toY][toX] = king;
8491 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8492 board[fromY][BOARD_RGHT-1] = EmptySquare;
8493 } else if (board[fromY][fromX] == king
8494 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8495 && toY == fromY && toX < fromX-1) {
8496 board[fromY][fromX] = EmptySquare;
8497 board[toY][toX] = king;
8498 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8499 board[fromY][BOARD_LEFT] = EmptySquare;
8500 } else if (fromY == 7 && fromX == 3
8501 && board[fromY][fromX] == BlackKing
8502 && toY == 7 && toX == 5) {
8503 board[fromY][fromX] = EmptySquare;
8504 board[toY][toX] = BlackKing;
8505 board[fromY][7] = EmptySquare;
8506 board[toY][4] = BlackRook;
8507 } else if (fromY == 7 && fromX == 3
8508 && board[fromY][fromX] == BlackKing
8509 && toY == 7 && toX == 1) {
8510 board[fromY][fromX] = EmptySquare;
8511 board[toY][toX] = BlackKing;
8512 board[fromY][0] = EmptySquare;
8513 board[toY][2] = BlackRook;
8514 } else if (board[fromY][fromX] == BlackPawn
8516 && gameInfo.variant != VariantXiangqi
8518 /* black pawn promotion */
8519 board[toY][toX] = CharToPiece(ToLower(promoChar));
8520 if (board[toY][toX] == EmptySquare) {
8521 board[toY][toX] = BlackQueen;
8523 if(gameInfo.variant==VariantBughouse ||
8524 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8525 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8526 board[fromY][fromX] = EmptySquare;
8527 } else if ((fromY == 3)
8529 && gameInfo.variant != VariantXiangqi
8530 && gameInfo.variant != VariantBerolina
8531 && (board[fromY][fromX] == BlackPawn)
8532 && (board[toY][toX] == EmptySquare)) {
8533 board[fromY][fromX] = EmptySquare;
8534 board[toY][toX] = BlackPawn;
8535 captured = board[toY + 1][toX];
8536 board[toY + 1][toX] = EmptySquare;
8537 } else if ((fromY == 3)
8539 && gameInfo.variant == VariantBerolina
8540 && (board[fromY][fromX] == BlackPawn)
8541 && (board[toY][toX] == EmptySquare)) {
8542 board[fromY][fromX] = EmptySquare;
8543 board[toY][toX] = BlackPawn;
8544 if(oldEP & EP_BEROLIN_A) {
8545 captured = board[fromY][fromX-1];
8546 board[fromY][fromX-1] = EmptySquare;
8547 }else{ captured = board[fromY][fromX+1];
8548 board[fromY][fromX+1] = EmptySquare;
8551 board[toY][toX] = board[fromY][fromX];
8552 board[fromY][fromX] = EmptySquare;
8556 if (gameInfo.holdingsWidth != 0) {
8558 /* !!A lot more code needs to be written to support holdings */
8559 /* [HGM] OK, so I have written it. Holdings are stored in the */
8560 /* penultimate board files, so they are automaticlly stored */
8561 /* in the game history. */
8562 if (fromY == DROP_RANK) {
8563 /* Delete from holdings, by decreasing count */
8564 /* and erasing image if necessary */
8566 if(p < (int) BlackPawn) { /* white drop */
8567 p -= (int)WhitePawn;
8568 p = PieceToNumber((ChessSquare)p);
8569 if(p >= gameInfo.holdingsSize) p = 0;
8570 if(--board[p][BOARD_WIDTH-2] <= 0)
8571 board[p][BOARD_WIDTH-1] = EmptySquare;
8572 if((int)board[p][BOARD_WIDTH-2] < 0)
8573 board[p][BOARD_WIDTH-2] = 0;
8574 } else { /* black drop */
8575 p -= (int)BlackPawn;
8576 p = PieceToNumber((ChessSquare)p);
8577 if(p >= gameInfo.holdingsSize) p = 0;
8578 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8579 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8580 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8581 board[BOARD_HEIGHT-1-p][1] = 0;
8584 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8585 && gameInfo.variant != VariantBughouse ) {
8586 /* [HGM] holdings: Add to holdings, if holdings exist */
8587 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8588 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8589 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8592 if (p >= (int) BlackPawn) {
8593 p -= (int)BlackPawn;
8594 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8595 /* in Shogi restore piece to its original first */
8596 captured = (ChessSquare) (DEMOTED captured);
8599 p = PieceToNumber((ChessSquare)p);
8600 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8601 board[p][BOARD_WIDTH-2]++;
8602 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8604 p -= (int)WhitePawn;
8605 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8606 captured = (ChessSquare) (DEMOTED captured);
8609 p = PieceToNumber((ChessSquare)p);
8610 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8611 board[BOARD_HEIGHT-1-p][1]++;
8612 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8615 } else if (gameInfo.variant == VariantAtomic) {
8616 if (captured != EmptySquare) {
8618 for (y = toY-1; y <= toY+1; y++) {
8619 for (x = toX-1; x <= toX+1; x++) {
8620 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8621 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8622 board[y][x] = EmptySquare;
8626 board[toY][toX] = EmptySquare;
8629 if(promoChar == '+') {
8630 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8631 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8632 } else if(!appData.testLegality) { // without legality testing, unconditionally believe promoChar
8633 board[toY][toX] = CharToPiece(promoChar);
8635 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8636 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8637 // [HGM] superchess: take promotion piece out of holdings
8638 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8639 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8640 if(!--board[k][BOARD_WIDTH-2])
8641 board[k][BOARD_WIDTH-1] = EmptySquare;
8643 if(!--board[BOARD_HEIGHT-1-k][1])
8644 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8650 /* Updates forwardMostMove */
8652 MakeMove(fromX, fromY, toX, toY, promoChar)
8653 int fromX, fromY, toX, toY;
8656 // forwardMostMove++; // [HGM] bare: moved downstream
8658 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8659 int timeLeft; static int lastLoadFlag=0; int king, piece;
8660 piece = boards[forwardMostMove][fromY][fromX];
8661 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8662 if(gameInfo.variant == VariantKnightmate)
8663 king += (int) WhiteUnicorn - (int) WhiteKing;
8664 if(forwardMostMove == 0) {
8666 fprintf(serverMoves, "%s;", second.tidy);
8667 fprintf(serverMoves, "%s;", first.tidy);
8668 if(!blackPlaysFirst)
8669 fprintf(serverMoves, "%s;", second.tidy);
8670 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8671 lastLoadFlag = loadFlag;
8673 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8674 // print castling suffix
8675 if( toY == fromY && piece == king ) {
8677 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8679 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8682 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8683 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8684 boards[forwardMostMove][toY][toX] == EmptySquare
8685 && fromX != toX && fromY != toY)
8686 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8688 if(promoChar != NULLCHAR)
8689 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8691 fprintf(serverMoves, "/%d/%d",
8692 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8693 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8694 else timeLeft = blackTimeRemaining/1000;
8695 fprintf(serverMoves, "/%d", timeLeft);
8697 fflush(serverMoves);
8700 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8701 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8705 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8706 if (commentList[forwardMostMove+1] != NULL) {
8707 free(commentList[forwardMostMove+1]);
8708 commentList[forwardMostMove+1] = NULL;
8710 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8711 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8712 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8713 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8714 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8715 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8716 gameInfo.result = GameUnfinished;
8717 if (gameInfo.resultDetails != NULL) {
8718 free(gameInfo.resultDetails);
8719 gameInfo.resultDetails = NULL;
8721 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8722 moveList[forwardMostMove - 1]);
8723 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8724 PosFlags(forwardMostMove - 1),
8725 fromY, fromX, toY, toX, promoChar,
8726 parseList[forwardMostMove - 1]);
8727 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8733 if(gameInfo.variant != VariantShogi)
8734 strcat(parseList[forwardMostMove - 1], "+");
8738 strcat(parseList[forwardMostMove - 1], "#");
8741 if (appData.debugMode) {
8742 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8747 /* Updates currentMove if not pausing */
8749 ShowMove(fromX, fromY, toX, toY)
8751 int instant = (gameMode == PlayFromGameFile) ?
8752 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8753 if(appData.noGUI) return;
8754 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8756 if (forwardMostMove == currentMove + 1) {
8757 AnimateMove(boards[forwardMostMove - 1],
8758 fromX, fromY, toX, toY);
8760 if (appData.highlightLastMove) {
8761 SetHighlights(fromX, fromY, toX, toY);
8764 currentMove = forwardMostMove;
8767 if (instant) return;
8769 DisplayMove(currentMove - 1);
8770 DrawPosition(FALSE, boards[currentMove]);
8771 DisplayBothClocks();
8772 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8775 void SendEgtPath(ChessProgramState *cps)
8776 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8777 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8779 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8782 char c, *q = name+1, *r, *s;
8784 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8785 while(*p && *p != ',') *q++ = *p++;
8787 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8788 strcmp(name, ",nalimov:") == 0 ) {
8789 // take nalimov path from the menu-changeable option first, if it is defined
8790 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8791 SendToProgram(buf,cps); // send egtbpath command for nalimov
8793 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8794 (s = StrStr(appData.egtFormats, name)) != NULL) {
8795 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8796 s = r = StrStr(s, ":") + 1; // beginning of path info
8797 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8798 c = *r; *r = 0; // temporarily null-terminate path info
8799 *--q = 0; // strip of trailig ':' from name
8800 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8802 SendToProgram(buf,cps); // send egtbpath command for this format
8804 if(*p == ',') p++; // read away comma to position for next format name
8809 InitChessProgram(cps, setup)
8810 ChessProgramState *cps;
8811 int setup; /* [HGM] needed to setup FRC opening position */
8813 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8814 if (appData.noChessProgram) return;
8815 hintRequested = FALSE;
8816 bookRequested = FALSE;
8818 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8819 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8820 if(cps->memSize) { /* [HGM] memory */
8821 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8822 SendToProgram(buf, cps);
8824 SendEgtPath(cps); /* [HGM] EGT */
8825 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8826 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8827 SendToProgram(buf, cps);
8830 SendToProgram(cps->initString, cps);
8831 if (gameInfo.variant != VariantNormal &&
8832 gameInfo.variant != VariantLoadable
8833 /* [HGM] also send variant if board size non-standard */
8834 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8836 char *v = VariantName(gameInfo.variant);
8837 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8838 /* [HGM] in protocol 1 we have to assume all variants valid */
8839 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8840 DisplayFatalError(buf, 0, 1);
8844 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8845 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8846 if( gameInfo.variant == VariantXiangqi )
8847 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8848 if( gameInfo.variant == VariantShogi )
8849 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8850 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8851 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8852 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8853 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8854 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8855 if( gameInfo.variant == VariantCourier )
8856 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8857 if( gameInfo.variant == VariantSuper )
8858 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8859 if( gameInfo.variant == VariantGreat )
8860 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8863 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8864 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8865 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8866 if(StrStr(cps->variants, b) == NULL) {
8867 // specific sized variant not known, check if general sizing allowed
8868 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8869 if(StrStr(cps->variants, "boardsize") == NULL) {
8870 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8871 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8872 DisplayFatalError(buf, 0, 1);
8875 /* [HGM] here we really should compare with the maximum supported board size */
8878 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8879 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8880 SendToProgram(buf, cps);
8882 currentlyInitializedVariant = gameInfo.variant;
8884 /* [HGM] send opening position in FRC to first engine */
8886 SendToProgram("force\n", cps);
8888 /* engine is now in force mode! Set flag to wake it up after first move. */
8889 setboardSpoiledMachineBlack = 1;
8893 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8894 SendToProgram(buf, cps);
8896 cps->maybeThinking = FALSE;
8897 cps->offeredDraw = 0;
8898 if (!appData.icsActive) {
8899 SendTimeControl(cps, movesPerSession, timeControl,
8900 timeIncrement, appData.searchDepth,
8903 if (appData.showThinking
8904 // [HGM] thinking: four options require thinking output to be sent
8905 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8907 SendToProgram("post\n", cps);
8909 SendToProgram("hard\n", cps);
8910 if (!appData.ponderNextMove) {
8911 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8912 it without being sure what state we are in first. "hard"
8913 is not a toggle, so that one is OK.
8915 SendToProgram("easy\n", cps);
8918 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8919 SendToProgram(buf, cps);
8921 cps->initDone = TRUE;
8926 StartChessProgram(cps)
8927 ChessProgramState *cps;
8932 if (appData.noChessProgram) return;
8933 cps->initDone = FALSE;
8935 if (strcmp(cps->host, "localhost") == 0) {
8936 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8937 } else if (*appData.remoteShell == NULLCHAR) {
8938 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8940 if (*appData.remoteUser == NULLCHAR) {
8941 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8944 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8945 cps->host, appData.remoteUser, cps->program);
8947 err = StartChildProcess(buf, "", &cps->pr);
8951 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8952 DisplayFatalError(buf, err, 1);
8958 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8959 if (cps->protocolVersion > 1) {
8960 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8961 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8962 cps->comboCnt = 0; // and values of combo boxes
8963 SendToProgram(buf, cps);
8965 SendToProgram("xboard\n", cps);
8971 TwoMachinesEventIfReady P((void))
8973 if (first.lastPing != first.lastPong) {
8974 DisplayMessage("", _("Waiting for first chess program"));
8975 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8978 if (second.lastPing != second.lastPong) {
8979 DisplayMessage("", _("Waiting for second chess program"));
8980 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8988 NextMatchGame P((void))
8990 int index; /* [HGM] autoinc: step load index during match */
8992 if (*appData.loadGameFile != NULLCHAR) {
8993 index = appData.loadGameIndex;
8994 if(index < 0) { // [HGM] autoinc
8995 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8996 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8998 LoadGameFromFile(appData.loadGameFile,
9000 appData.loadGameFile, FALSE);
9001 } else if (*appData.loadPositionFile != NULLCHAR) {
9002 index = appData.loadPositionIndex;
9003 if(index < 0) { // [HGM] autoinc
9004 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9005 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9007 LoadPositionFromFile(appData.loadPositionFile,
9009 appData.loadPositionFile);
9011 TwoMachinesEventIfReady();
9014 void UserAdjudicationEvent( int result )
9016 ChessMove gameResult = GameIsDrawn;
9019 gameResult = WhiteWins;
9021 else if( result < 0 ) {
9022 gameResult = BlackWins;
9025 if( gameMode == TwoMachinesPlay ) {
9026 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9031 // [HGM] save: calculate checksum of game to make games easily identifiable
9032 int StringCheckSum(char *s)
9035 if(s==NULL) return 0;
9036 while(*s) i = i*259 + *s++;
9043 for(i=backwardMostMove; i<forwardMostMove; i++) {
9044 sum += pvInfoList[i].depth;
9045 sum += StringCheckSum(parseList[i]);
9046 sum += StringCheckSum(commentList[i]);
9049 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9050 return sum + StringCheckSum(commentList[i]);
9051 } // end of save patch
9054 GameEnds(result, resultDetails, whosays)
9056 char *resultDetails;
9059 GameMode nextGameMode;
9061 char buf[MSG_SIZ], popupRequested = 0;
9063 if(endingGame) return; /* [HGM] crash: forbid recursion */
9065 if(twoBoards) { // [HGM] dual: switch back to one board
9066 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9067 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9069 if (appData.debugMode) {
9070 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9071 result, resultDetails ? resultDetails : "(null)", whosays);
9074 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9076 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9077 /* If we are playing on ICS, the server decides when the
9078 game is over, but the engine can offer to draw, claim
9082 if (appData.zippyPlay && first.initDone) {
9083 if (result == GameIsDrawn) {
9084 /* In case draw still needs to be claimed */
9085 SendToICS(ics_prefix);
9086 SendToICS("draw\n");
9087 } else if (StrCaseStr(resultDetails, "resign")) {
9088 SendToICS(ics_prefix);
9089 SendToICS("resign\n");
9093 endingGame = 0; /* [HGM] crash */
9097 /* If we're loading the game from a file, stop */
9098 if (whosays == GE_FILE) {
9099 (void) StopLoadGameTimer();
9103 /* Cancel draw offers */
9104 first.offeredDraw = second.offeredDraw = 0;
9106 /* If this is an ICS game, only ICS can really say it's done;
9107 if not, anyone can. */
9108 isIcsGame = (gameMode == IcsPlayingWhite ||
9109 gameMode == IcsPlayingBlack ||
9110 gameMode == IcsObserving ||
9111 gameMode == IcsExamining);
9113 if (!isIcsGame || whosays == GE_ICS) {
9114 /* OK -- not an ICS game, or ICS said it was done */
9116 if (!isIcsGame && !appData.noChessProgram)
9117 SetUserThinkingEnables();
9119 /* [HGM] if a machine claims the game end we verify this claim */
9120 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9121 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9123 ChessMove trueResult = (ChessMove) -1;
9125 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9126 first.twoMachinesColor[0] :
9127 second.twoMachinesColor[0] ;
9129 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9130 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9131 /* [HGM] verify: engine mate claims accepted if they were flagged */
9132 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9134 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9135 /* [HGM] verify: engine mate claims accepted if they were flagged */
9136 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9138 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9139 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9142 // now verify win claims, but not in drop games, as we don't understand those yet
9143 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9144 || gameInfo.variant == VariantGreat) &&
9145 (result == WhiteWins && claimer == 'w' ||
9146 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9147 if (appData.debugMode) {
9148 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9149 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9151 if(result != trueResult) {
9152 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9153 result = claimer == 'w' ? BlackWins : WhiteWins;
9154 resultDetails = buf;
9157 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9158 && (forwardMostMove <= backwardMostMove ||
9159 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9160 (claimer=='b')==(forwardMostMove&1))
9162 /* [HGM] verify: draws that were not flagged are false claims */
9163 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9164 result = claimer == 'w' ? BlackWins : WhiteWins;
9165 resultDetails = buf;
9167 /* (Claiming a loss is accepted no questions asked!) */
9169 /* [HGM] bare: don't allow bare King to win */
9170 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9171 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9172 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9173 && result != GameIsDrawn)
9174 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9175 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9176 int p = (signed char)boards[forwardMostMove][i][j] - color;
9177 if(p >= 0 && p <= (int)WhiteKing) k++;
9179 if (appData.debugMode) {
9180 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9181 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9184 result = GameIsDrawn;
9185 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9186 resultDetails = buf;
9192 if(serverMoves != NULL && !loadFlag) { char c = '=';
9193 if(result==WhiteWins) c = '+';
9194 if(result==BlackWins) c = '-';
9195 if(resultDetails != NULL)
9196 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9198 if (resultDetails != NULL) {
9199 gameInfo.result = result;
9200 gameInfo.resultDetails = StrSave(resultDetails);
9202 /* display last move only if game was not loaded from file */
9203 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9204 DisplayMove(currentMove - 1);
9206 if (forwardMostMove != 0) {
9207 if (gameMode != PlayFromGameFile && gameMode != EditGame
9208 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9210 if (*appData.saveGameFile != NULLCHAR) {
9211 SaveGameToFile(appData.saveGameFile, TRUE);
9212 } else if (appData.autoSaveGames) {
9215 if (*appData.savePositionFile != NULLCHAR) {
9216 SavePositionToFile(appData.savePositionFile);
9221 /* Tell program how game ended in case it is learning */
9222 /* [HGM] Moved this to after saving the PGN, just in case */
9223 /* engine died and we got here through time loss. In that */
9224 /* case we will get a fatal error writing the pipe, which */
9225 /* would otherwise lose us the PGN. */
9226 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9227 /* output during GameEnds should never be fatal anymore */
9228 if (gameMode == MachinePlaysWhite ||
9229 gameMode == MachinePlaysBlack ||
9230 gameMode == TwoMachinesPlay ||
9231 gameMode == IcsPlayingWhite ||
9232 gameMode == IcsPlayingBlack ||
9233 gameMode == BeginningOfGame) {
9235 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9237 if (first.pr != NoProc) {
9238 SendToProgram(buf, &first);
9240 if (second.pr != NoProc &&
9241 gameMode == TwoMachinesPlay) {
9242 SendToProgram(buf, &second);
9247 if (appData.icsActive) {
9248 if (appData.quietPlay &&
9249 (gameMode == IcsPlayingWhite ||
9250 gameMode == IcsPlayingBlack)) {
9251 SendToICS(ics_prefix);
9252 SendToICS("set shout 1\n");
9254 nextGameMode = IcsIdle;
9255 ics_user_moved = FALSE;
9256 /* clean up premove. It's ugly when the game has ended and the
9257 * premove highlights are still on the board.
9261 ClearPremoveHighlights();
9262 DrawPosition(FALSE, boards[currentMove]);
9264 if (whosays == GE_ICS) {
9267 if (gameMode == IcsPlayingWhite)
9269 else if(gameMode == IcsPlayingBlack)
9273 if (gameMode == IcsPlayingBlack)
9275 else if(gameMode == IcsPlayingWhite)
9282 PlayIcsUnfinishedSound();
9285 } else if (gameMode == EditGame ||
9286 gameMode == PlayFromGameFile ||
9287 gameMode == AnalyzeMode ||
9288 gameMode == AnalyzeFile) {
9289 nextGameMode = gameMode;
9291 nextGameMode = EndOfGame;
9296 nextGameMode = gameMode;
9299 if (appData.noChessProgram) {
9300 gameMode = nextGameMode;
9302 endingGame = 0; /* [HGM] crash */
9307 /* Put first chess program into idle state */
9308 if (first.pr != NoProc &&
9309 (gameMode == MachinePlaysWhite ||
9310 gameMode == MachinePlaysBlack ||
9311 gameMode == TwoMachinesPlay ||
9312 gameMode == IcsPlayingWhite ||
9313 gameMode == IcsPlayingBlack ||
9314 gameMode == BeginningOfGame)) {
9315 SendToProgram("force\n", &first);
9316 if (first.usePing) {
9318 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9319 SendToProgram(buf, &first);
9322 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9323 /* Kill off first chess program */
9324 if (first.isr != NULL)
9325 RemoveInputSource(first.isr);
9328 if (first.pr != NoProc) {
9330 DoSleep( appData.delayBeforeQuit );
9331 SendToProgram("quit\n", &first);
9332 DoSleep( appData.delayAfterQuit );
9333 DestroyChildProcess(first.pr, first.useSigterm);
9338 /* Put second chess program into idle state */
9339 if (second.pr != NoProc &&
9340 gameMode == TwoMachinesPlay) {
9341 SendToProgram("force\n", &second);
9342 if (second.usePing) {
9344 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9345 SendToProgram(buf, &second);
9348 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9349 /* Kill off second chess program */
9350 if (second.isr != NULL)
9351 RemoveInputSource(second.isr);
9354 if (second.pr != NoProc) {
9355 DoSleep( appData.delayBeforeQuit );
9356 SendToProgram("quit\n", &second);
9357 DoSleep( appData.delayAfterQuit );
9358 DestroyChildProcess(second.pr, second.useSigterm);
9363 if (matchMode && gameMode == TwoMachinesPlay) {
9366 if (first.twoMachinesColor[0] == 'w') {
9373 if (first.twoMachinesColor[0] == 'b') {
9382 if (matchGame < appData.matchGames) {
9384 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9385 tmp = first.twoMachinesColor;
9386 first.twoMachinesColor = second.twoMachinesColor;
9387 second.twoMachinesColor = tmp;
9389 gameMode = nextGameMode;
9391 if(appData.matchPause>10000 || appData.matchPause<10)
9392 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9393 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9394 endingGame = 0; /* [HGM] crash */
9397 gameMode = nextGameMode;
9398 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9399 first.tidy, second.tidy,
9400 first.matchWins, second.matchWins,
9401 appData.matchGames - (first.matchWins + second.matchWins));
9402 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9405 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9406 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9408 gameMode = nextGameMode;
9410 endingGame = 0; /* [HGM] crash */
9411 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9412 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9413 matchMode = FALSE; appData.matchGames = matchGame = 0;
9419 /* Assumes program was just initialized (initString sent).
9420 Leaves program in force mode. */
9422 FeedMovesToProgram(cps, upto)
9423 ChessProgramState *cps;
9428 if (appData.debugMode)
9429 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9430 startedFromSetupPosition ? "position and " : "",
9431 backwardMostMove, upto, cps->which);
9432 if(currentlyInitializedVariant != gameInfo.variant) {
9434 // [HGM] variantswitch: make engine aware of new variant
9435 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9436 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9437 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9438 SendToProgram(buf, cps);
9439 currentlyInitializedVariant = gameInfo.variant;
9441 SendToProgram("force\n", cps);
9442 if (startedFromSetupPosition) {
9443 SendBoard(cps, backwardMostMove);
9444 if (appData.debugMode) {
9445 fprintf(debugFP, "feedMoves\n");
9448 for (i = backwardMostMove; i < upto; i++) {
9449 SendMoveToProgram(i, cps);
9455 ResurrectChessProgram()
9457 /* The chess program may have exited.
9458 If so, restart it and feed it all the moves made so far. */
9460 if (appData.noChessProgram || first.pr != NoProc) return;
9462 StartChessProgram(&first);
9463 InitChessProgram(&first, FALSE);
9464 FeedMovesToProgram(&first, currentMove);
9466 if (!first.sendTime) {
9467 /* can't tell gnuchess what its clock should read,
9468 so we bow to its notion. */
9470 timeRemaining[0][currentMove] = whiteTimeRemaining;
9471 timeRemaining[1][currentMove] = blackTimeRemaining;
9474 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9475 appData.icsEngineAnalyze) && first.analysisSupport) {
9476 SendToProgram("analyze\n", &first);
9477 first.analyzing = TRUE;
9490 if (appData.debugMode) {
9491 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9492 redraw, init, gameMode);
9494 CleanupTail(); // [HGM] vari: delete any stored variations
9495 pausing = pauseExamInvalid = FALSE;
9496 startedFromSetupPosition = blackPlaysFirst = FALSE;
9498 whiteFlag = blackFlag = FALSE;
9499 userOfferedDraw = FALSE;
9500 hintRequested = bookRequested = FALSE;
9501 first.maybeThinking = FALSE;
9502 second.maybeThinking = FALSE;
9503 first.bookSuspend = FALSE; // [HGM] book
9504 second.bookSuspend = FALSE;
9505 thinkOutput[0] = NULLCHAR;
9506 lastHint[0] = NULLCHAR;
9507 ClearGameInfo(&gameInfo);
9508 gameInfo.variant = StringToVariant(appData.variant);
9509 ics_user_moved = ics_clock_paused = FALSE;
9510 ics_getting_history = H_FALSE;
9512 white_holding[0] = black_holding[0] = NULLCHAR;
9513 ClearProgramStats();
9514 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9518 flipView = appData.flipView;
9519 ClearPremoveHighlights();
9521 alarmSounded = FALSE;
9523 GameEnds(EndOfFile, NULL, GE_PLAYER);
9524 if(appData.serverMovesName != NULL) {
9525 /* [HGM] prepare to make moves file for broadcasting */
9526 clock_t t = clock();
9527 if(serverMoves != NULL) fclose(serverMoves);
9528 serverMoves = fopen(appData.serverMovesName, "r");
9529 if(serverMoves != NULL) {
9530 fclose(serverMoves);
9531 /* delay 15 sec before overwriting, so all clients can see end */
9532 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9534 serverMoves = fopen(appData.serverMovesName, "w");
9538 gameMode = BeginningOfGame;
9540 if(appData.icsActive) gameInfo.variant = VariantNormal;
9541 currentMove = forwardMostMove = backwardMostMove = 0;
9542 InitPosition(redraw);
9543 for (i = 0; i < MAX_MOVES; i++) {
9544 if (commentList[i] != NULL) {
9545 free(commentList[i]);
9546 commentList[i] = NULL;
9550 timeRemaining[0][0] = whiteTimeRemaining;
9551 timeRemaining[1][0] = blackTimeRemaining;
9552 if (first.pr == NULL) {
9553 StartChessProgram(&first);
9556 InitChessProgram(&first, startedFromSetupPosition);
9559 DisplayMessage("", "");
9560 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9561 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9568 if (!AutoPlayOneMove())
9570 if (matchMode || appData.timeDelay == 0)
9572 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9574 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9583 int fromX, fromY, toX, toY;
9585 if (appData.debugMode) {
9586 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9589 if (gameMode != PlayFromGameFile)
9592 if (currentMove >= forwardMostMove) {
9593 gameMode = EditGame;
9596 /* [AS] Clear current move marker at the end of a game */
9597 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9602 toX = moveList[currentMove][2] - AAA;
9603 toY = moveList[currentMove][3] - ONE;
9605 if (moveList[currentMove][1] == '@') {
9606 if (appData.highlightLastMove) {
9607 SetHighlights(-1, -1, toX, toY);
9610 fromX = moveList[currentMove][0] - AAA;
9611 fromY = moveList[currentMove][1] - ONE;
9613 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9615 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9617 if (appData.highlightLastMove) {
9618 SetHighlights(fromX, fromY, toX, toY);
9621 DisplayMove(currentMove);
9622 SendMoveToProgram(currentMove++, &first);
9623 DisplayBothClocks();
9624 DrawPosition(FALSE, boards[currentMove]);
9625 // [HGM] PV info: always display, routine tests if empty
9626 DisplayComment(currentMove - 1, commentList[currentMove]);
9632 LoadGameOneMove(readAhead)
9633 ChessMove readAhead;
9635 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9636 char promoChar = NULLCHAR;
9641 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9642 gameMode != AnalyzeMode && gameMode != Training) {
9647 yyboardindex = forwardMostMove;
9648 if (readAhead != EndOfFile) {
9649 moveType = readAhead;
9651 if (gameFileFP == NULL)
9653 moveType = (ChessMove) yylex();
9659 if (appData.debugMode)
9660 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9663 /* append the comment but don't display it */
9664 AppendComment(currentMove, p, FALSE);
9667 case WhiteCapturesEnPassant:
9668 case BlackCapturesEnPassant:
9669 case WhitePromotion:
9670 case BlackPromotion:
9671 case WhiteNonPromotion:
9672 case BlackNonPromotion:
9674 case WhiteKingSideCastle:
9675 case WhiteQueenSideCastle:
9676 case BlackKingSideCastle:
9677 case BlackQueenSideCastle:
9678 case WhiteKingSideCastleWild:
9679 case WhiteQueenSideCastleWild:
9680 case BlackKingSideCastleWild:
9681 case BlackQueenSideCastleWild:
9683 case WhiteHSideCastleFR:
9684 case WhiteASideCastleFR:
9685 case BlackHSideCastleFR:
9686 case BlackASideCastleFR:
9688 if (appData.debugMode)
9689 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9690 fromX = currentMoveString[0] - AAA;
9691 fromY = currentMoveString[1] - ONE;
9692 toX = currentMoveString[2] - AAA;
9693 toY = currentMoveString[3] - ONE;
9694 promoChar = currentMoveString[4];
9699 if (appData.debugMode)
9700 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9701 fromX = moveType == WhiteDrop ?
9702 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9703 (int) CharToPiece(ToLower(currentMoveString[0]));
9705 toX = currentMoveString[2] - AAA;
9706 toY = currentMoveString[3] - ONE;
9712 case GameUnfinished:
9713 if (appData.debugMode)
9714 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9715 p = strchr(yy_text, '{');
9716 if (p == NULL) p = strchr(yy_text, '(');
9719 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9721 q = strchr(p, *p == '{' ? '}' : ')');
9722 if (q != NULL) *q = NULLCHAR;
9725 GameEnds(moveType, p, GE_FILE);
9727 if (cmailMsgLoaded) {
9729 flipView = WhiteOnMove(currentMove);
9730 if (moveType == GameUnfinished) flipView = !flipView;
9731 if (appData.debugMode)
9732 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9737 if (appData.debugMode)
9738 fprintf(debugFP, "Parser hit end of file\n");
9739 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9745 if (WhiteOnMove(currentMove)) {
9746 GameEnds(BlackWins, "Black mates", GE_FILE);
9748 GameEnds(WhiteWins, "White mates", GE_FILE);
9752 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9759 if (lastLoadGameStart == GNUChessGame) {
9760 /* GNUChessGames have numbers, but they aren't move numbers */
9761 if (appData.debugMode)
9762 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9763 yy_text, (int) moveType);
9764 return LoadGameOneMove(EndOfFile); /* tail recursion */
9766 /* else fall thru */
9771 /* Reached start of next game in file */
9772 if (appData.debugMode)
9773 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9774 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9780 if (WhiteOnMove(currentMove)) {
9781 GameEnds(BlackWins, "Black mates", GE_FILE);
9783 GameEnds(WhiteWins, "White mates", GE_FILE);
9787 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9793 case PositionDiagram: /* should not happen; ignore */
9794 case ElapsedTime: /* ignore */
9795 case NAG: /* ignore */
9796 if (appData.debugMode)
9797 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9798 yy_text, (int) moveType);
9799 return LoadGameOneMove(EndOfFile); /* tail recursion */
9802 if (appData.testLegality) {
9803 if (appData.debugMode)
9804 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9805 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9806 (forwardMostMove / 2) + 1,
9807 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9808 DisplayError(move, 0);
9811 if (appData.debugMode)
9812 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9813 yy_text, currentMoveString);
9814 fromX = currentMoveString[0] - AAA;
9815 fromY = currentMoveString[1] - ONE;
9816 toX = currentMoveString[2] - AAA;
9817 toY = currentMoveString[3] - ONE;
9818 promoChar = currentMoveString[4];
9823 if (appData.debugMode)
9824 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9825 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9826 (forwardMostMove / 2) + 1,
9827 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9828 DisplayError(move, 0);
9833 case ImpossibleMove:
9834 if (appData.debugMode)
9835 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9836 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9837 (forwardMostMove / 2) + 1,
9838 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9839 DisplayError(move, 0);
9845 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9846 DrawPosition(FALSE, boards[currentMove]);
9847 DisplayBothClocks();
9848 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9849 DisplayComment(currentMove - 1, commentList[currentMove]);
9851 (void) StopLoadGameTimer();
9853 cmailOldMove = forwardMostMove;
9856 /* currentMoveString is set as a side-effect of yylex */
9857 strcat(currentMoveString, "\n");
9858 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9860 thinkOutput[0] = NULLCHAR;
9861 MakeMove(fromX, fromY, toX, toY, promoChar);
9862 currentMove = forwardMostMove;
9867 /* Load the nth game from the given file */
9869 LoadGameFromFile(filename, n, title, useList)
9873 /*Boolean*/ int useList;
9878 if (strcmp(filename, "-") == 0) {
9882 f = fopen(filename, "rb");
9884 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9885 DisplayError(buf, errno);
9889 if (fseek(f, 0, 0) == -1) {
9890 /* f is not seekable; probably a pipe */
9893 if (useList && n == 0) {
9894 int error = GameListBuild(f);
9896 DisplayError(_("Cannot build game list"), error);
9897 } else if (!ListEmpty(&gameList) &&
9898 ((ListGame *) gameList.tailPred)->number > 1) {
9899 GameListPopUp(f, title);
9906 return LoadGame(f, n, title, FALSE);
9911 MakeRegisteredMove()
9913 int fromX, fromY, toX, toY;
9915 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9916 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9919 if (appData.debugMode)
9920 fprintf(debugFP, "Restoring %s for game %d\n",
9921 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9923 thinkOutput[0] = NULLCHAR;
9924 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9925 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9926 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9927 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9928 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9929 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9930 MakeMove(fromX, fromY, toX, toY, promoChar);
9931 ShowMove(fromX, fromY, toX, toY);
9933 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9940 if (WhiteOnMove(currentMove)) {
9941 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9943 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9948 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9955 if (WhiteOnMove(currentMove)) {
9956 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9958 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9963 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9974 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9976 CmailLoadGame(f, gameNumber, title, useList)
9984 if (gameNumber > nCmailGames) {
9985 DisplayError(_("No more games in this message"), 0);
9988 if (f == lastLoadGameFP) {
9989 int offset = gameNumber - lastLoadGameNumber;
9991 cmailMsg[0] = NULLCHAR;
9992 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9993 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9994 nCmailMovesRegistered--;
9996 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9997 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9998 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10001 if (! RegisterMove()) return FALSE;
10005 retVal = LoadGame(f, gameNumber, title, useList);
10007 /* Make move registered during previous look at this game, if any */
10008 MakeRegisteredMove();
10010 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10011 commentList[currentMove]
10012 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10013 DisplayComment(currentMove - 1, commentList[currentMove]);
10019 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10024 int gameNumber = lastLoadGameNumber + offset;
10025 if (lastLoadGameFP == NULL) {
10026 DisplayError(_("No game has been loaded yet"), 0);
10029 if (gameNumber <= 0) {
10030 DisplayError(_("Can't back up any further"), 0);
10033 if (cmailMsgLoaded) {
10034 return CmailLoadGame(lastLoadGameFP, gameNumber,
10035 lastLoadGameTitle, lastLoadGameUseList);
10037 return LoadGame(lastLoadGameFP, gameNumber,
10038 lastLoadGameTitle, lastLoadGameUseList);
10044 /* Load the nth game from open file f */
10046 LoadGame(f, gameNumber, title, useList)
10054 int gn = gameNumber;
10055 ListGame *lg = NULL;
10056 int numPGNTags = 0;
10058 GameMode oldGameMode;
10059 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10061 if (appData.debugMode)
10062 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10064 if (gameMode == Training )
10065 SetTrainingModeOff();
10067 oldGameMode = gameMode;
10068 if (gameMode != BeginningOfGame) {
10069 Reset(FALSE, TRUE);
10073 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10074 fclose(lastLoadGameFP);
10078 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10081 fseek(f, lg->offset, 0);
10082 GameListHighlight(gameNumber);
10086 DisplayError(_("Game number out of range"), 0);
10091 if (fseek(f, 0, 0) == -1) {
10092 if (f == lastLoadGameFP ?
10093 gameNumber == lastLoadGameNumber + 1 :
10097 DisplayError(_("Can't seek on game file"), 0);
10102 lastLoadGameFP = f;
10103 lastLoadGameNumber = gameNumber;
10104 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10105 lastLoadGameUseList = useList;
10109 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10110 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10111 lg->gameInfo.black);
10113 } else if (*title != NULLCHAR) {
10114 if (gameNumber > 1) {
10115 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10118 DisplayTitle(title);
10122 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10123 gameMode = PlayFromGameFile;
10127 currentMove = forwardMostMove = backwardMostMove = 0;
10128 CopyBoard(boards[0], initialPosition);
10132 * Skip the first gn-1 games in the file.
10133 * Also skip over anything that precedes an identifiable
10134 * start of game marker, to avoid being confused by
10135 * garbage at the start of the file. Currently
10136 * recognized start of game markers are the move number "1",
10137 * the pattern "gnuchess .* game", the pattern
10138 * "^[#;%] [^ ]* game file", and a PGN tag block.
10139 * A game that starts with one of the latter two patterns
10140 * will also have a move number 1, possibly
10141 * following a position diagram.
10142 * 5-4-02: Let's try being more lenient and allowing a game to
10143 * start with an unnumbered move. Does that break anything?
10145 cm = lastLoadGameStart = EndOfFile;
10147 yyboardindex = forwardMostMove;
10148 cm = (ChessMove) yylex();
10151 if (cmailMsgLoaded) {
10152 nCmailGames = CMAIL_MAX_GAMES - gn;
10155 DisplayError(_("Game not found in file"), 0);
10162 lastLoadGameStart = cm;
10165 case MoveNumberOne:
10166 switch (lastLoadGameStart) {
10171 case MoveNumberOne:
10173 gn--; /* count this game */
10174 lastLoadGameStart = cm;
10183 switch (lastLoadGameStart) {
10186 case MoveNumberOne:
10188 gn--; /* count this game */
10189 lastLoadGameStart = cm;
10192 lastLoadGameStart = cm; /* game counted already */
10200 yyboardindex = forwardMostMove;
10201 cm = (ChessMove) yylex();
10202 } while (cm == PGNTag || cm == Comment);
10209 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10210 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10211 != CMAIL_OLD_RESULT) {
10213 cmailResult[ CMAIL_MAX_GAMES
10214 - gn - 1] = CMAIL_OLD_RESULT;
10220 /* Only a NormalMove can be at the start of a game
10221 * without a position diagram. */
10222 if (lastLoadGameStart == EndOfFile ) {
10224 lastLoadGameStart = MoveNumberOne;
10233 if (appData.debugMode)
10234 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10236 if (cm == XBoardGame) {
10237 /* Skip any header junk before position diagram and/or move 1 */
10239 yyboardindex = forwardMostMove;
10240 cm = (ChessMove) yylex();
10242 if (cm == EndOfFile ||
10243 cm == GNUChessGame || cm == XBoardGame) {
10244 /* Empty game; pretend end-of-file and handle later */
10249 if (cm == MoveNumberOne || cm == PositionDiagram ||
10250 cm == PGNTag || cm == Comment)
10253 } else if (cm == GNUChessGame) {
10254 if (gameInfo.event != NULL) {
10255 free(gameInfo.event);
10257 gameInfo.event = StrSave(yy_text);
10260 startedFromSetupPosition = FALSE;
10261 while (cm == PGNTag) {
10262 if (appData.debugMode)
10263 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10264 err = ParsePGNTag(yy_text, &gameInfo);
10265 if (!err) numPGNTags++;
10267 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10268 if(gameInfo.variant != oldVariant) {
10269 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10270 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10271 InitPosition(TRUE);
10272 oldVariant = gameInfo.variant;
10273 if (appData.debugMode)
10274 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10278 if (gameInfo.fen != NULL) {
10279 Board initial_position;
10280 startedFromSetupPosition = TRUE;
10281 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10283 DisplayError(_("Bad FEN position in file"), 0);
10286 CopyBoard(boards[0], initial_position);
10287 if (blackPlaysFirst) {
10288 currentMove = forwardMostMove = backwardMostMove = 1;
10289 CopyBoard(boards[1], initial_position);
10290 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10291 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10292 timeRemaining[0][1] = whiteTimeRemaining;
10293 timeRemaining[1][1] = blackTimeRemaining;
10294 if (commentList[0] != NULL) {
10295 commentList[1] = commentList[0];
10296 commentList[0] = NULL;
10299 currentMove = forwardMostMove = backwardMostMove = 0;
10301 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10303 initialRulePlies = FENrulePlies;
10304 for( i=0; i< nrCastlingRights; i++ )
10305 initialRights[i] = initial_position[CASTLING][i];
10307 yyboardindex = forwardMostMove;
10308 free(gameInfo.fen);
10309 gameInfo.fen = NULL;
10312 yyboardindex = forwardMostMove;
10313 cm = (ChessMove) yylex();
10315 /* Handle comments interspersed among the tags */
10316 while (cm == Comment) {
10318 if (appData.debugMode)
10319 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10321 AppendComment(currentMove, p, FALSE);
10322 yyboardindex = forwardMostMove;
10323 cm = (ChessMove) yylex();
10327 /* don't rely on existence of Event tag since if game was
10328 * pasted from clipboard the Event tag may not exist
10330 if (numPGNTags > 0){
10332 if (gameInfo.variant == VariantNormal) {
10333 VariantClass v = StringToVariant(gameInfo.event);
10334 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10335 if(v < VariantShogi) gameInfo.variant = v;
10338 if( appData.autoDisplayTags ) {
10339 tags = PGNTags(&gameInfo);
10340 TagsPopUp(tags, CmailMsg());
10345 /* Make something up, but don't display it now */
10350 if (cm == PositionDiagram) {
10353 Board initial_position;
10355 if (appData.debugMode)
10356 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10358 if (!startedFromSetupPosition) {
10360 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10361 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10371 initial_position[i][j++] = CharToPiece(*p);
10374 while (*p == ' ' || *p == '\t' ||
10375 *p == '\n' || *p == '\r') p++;
10377 if (strncmp(p, "black", strlen("black"))==0)
10378 blackPlaysFirst = TRUE;
10380 blackPlaysFirst = FALSE;
10381 startedFromSetupPosition = TRUE;
10383 CopyBoard(boards[0], initial_position);
10384 if (blackPlaysFirst) {
10385 currentMove = forwardMostMove = backwardMostMove = 1;
10386 CopyBoard(boards[1], initial_position);
10387 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10388 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10389 timeRemaining[0][1] = whiteTimeRemaining;
10390 timeRemaining[1][1] = blackTimeRemaining;
10391 if (commentList[0] != NULL) {
10392 commentList[1] = commentList[0];
10393 commentList[0] = NULL;
10396 currentMove = forwardMostMove = backwardMostMove = 0;
10399 yyboardindex = forwardMostMove;
10400 cm = (ChessMove) yylex();
10403 if (first.pr == NoProc) {
10404 StartChessProgram(&first);
10406 InitChessProgram(&first, FALSE);
10407 SendToProgram("force\n", &first);
10408 if (startedFromSetupPosition) {
10409 SendBoard(&first, forwardMostMove);
10410 if (appData.debugMode) {
10411 fprintf(debugFP, "Load Game\n");
10413 DisplayBothClocks();
10416 /* [HGM] server: flag to write setup moves in broadcast file as one */
10417 loadFlag = appData.suppressLoadMoves;
10419 while (cm == Comment) {
10421 if (appData.debugMode)
10422 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10424 AppendComment(currentMove, p, FALSE);
10425 yyboardindex = forwardMostMove;
10426 cm = (ChessMove) yylex();
10429 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10430 cm == WhiteWins || cm == BlackWins ||
10431 cm == GameIsDrawn || cm == GameUnfinished) {
10432 DisplayMessage("", _("No moves in game"));
10433 if (cmailMsgLoaded) {
10434 if (appData.debugMode)
10435 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10439 DrawPosition(FALSE, boards[currentMove]);
10440 DisplayBothClocks();
10441 gameMode = EditGame;
10448 // [HGM] PV info: routine tests if comment empty
10449 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10450 DisplayComment(currentMove - 1, commentList[currentMove]);
10452 if (!matchMode && appData.timeDelay != 0)
10453 DrawPosition(FALSE, boards[currentMove]);
10455 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10456 programStats.ok_to_send = 1;
10459 /* if the first token after the PGN tags is a move
10460 * and not move number 1, retrieve it from the parser
10462 if (cm != MoveNumberOne)
10463 LoadGameOneMove(cm);
10465 /* load the remaining moves from the file */
10466 while (LoadGameOneMove(EndOfFile)) {
10467 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10468 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10471 /* rewind to the start of the game */
10472 currentMove = backwardMostMove;
10474 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10476 if (oldGameMode == AnalyzeFile ||
10477 oldGameMode == AnalyzeMode) {
10478 AnalyzeFileEvent();
10481 if (matchMode || appData.timeDelay == 0) {
10483 gameMode = EditGame;
10485 } else if (appData.timeDelay > 0) {
10486 AutoPlayGameLoop();
10489 if (appData.debugMode)
10490 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10492 loadFlag = 0; /* [HGM] true game starts */
10496 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10498 ReloadPosition(offset)
10501 int positionNumber = lastLoadPositionNumber + offset;
10502 if (lastLoadPositionFP == NULL) {
10503 DisplayError(_("No position has been loaded yet"), 0);
10506 if (positionNumber <= 0) {
10507 DisplayError(_("Can't back up any further"), 0);
10510 return LoadPosition(lastLoadPositionFP, positionNumber,
10511 lastLoadPositionTitle);
10514 /* Load the nth position from the given file */
10516 LoadPositionFromFile(filename, n, title)
10524 if (strcmp(filename, "-") == 0) {
10525 return LoadPosition(stdin, n, "stdin");
10527 f = fopen(filename, "rb");
10529 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10530 DisplayError(buf, errno);
10533 return LoadPosition(f, n, title);
10538 /* Load the nth position from the given open file, and close it */
10540 LoadPosition(f, positionNumber, title)
10542 int positionNumber;
10545 char *p, line[MSG_SIZ];
10546 Board initial_position;
10547 int i, j, fenMode, pn;
10549 if (gameMode == Training )
10550 SetTrainingModeOff();
10552 if (gameMode != BeginningOfGame) {
10553 Reset(FALSE, TRUE);
10555 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10556 fclose(lastLoadPositionFP);
10558 if (positionNumber == 0) positionNumber = 1;
10559 lastLoadPositionFP = f;
10560 lastLoadPositionNumber = positionNumber;
10561 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10562 if (first.pr == NoProc) {
10563 StartChessProgram(&first);
10564 InitChessProgram(&first, FALSE);
10566 pn = positionNumber;
10567 if (positionNumber < 0) {
10568 /* Negative position number means to seek to that byte offset */
10569 if (fseek(f, -positionNumber, 0) == -1) {
10570 DisplayError(_("Can't seek on position file"), 0);
10575 if (fseek(f, 0, 0) == -1) {
10576 if (f == lastLoadPositionFP ?
10577 positionNumber == lastLoadPositionNumber + 1 :
10578 positionNumber == 1) {
10581 DisplayError(_("Can't seek on position file"), 0);
10586 /* See if this file is FEN or old-style xboard */
10587 if (fgets(line, MSG_SIZ, f) == NULL) {
10588 DisplayError(_("Position not found in file"), 0);
10591 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10592 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10595 if (fenMode || line[0] == '#') pn--;
10597 /* skip positions before number pn */
10598 if (fgets(line, MSG_SIZ, f) == NULL) {
10600 DisplayError(_("Position not found in file"), 0);
10603 if (fenMode || line[0] == '#') pn--;
10608 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10609 DisplayError(_("Bad FEN position in file"), 0);
10613 (void) fgets(line, MSG_SIZ, f);
10614 (void) fgets(line, MSG_SIZ, f);
10616 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10617 (void) fgets(line, MSG_SIZ, f);
10618 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10621 initial_position[i][j++] = CharToPiece(*p);
10625 blackPlaysFirst = FALSE;
10627 (void) fgets(line, MSG_SIZ, f);
10628 if (strncmp(line, "black", strlen("black"))==0)
10629 blackPlaysFirst = TRUE;
10632 startedFromSetupPosition = TRUE;
10634 SendToProgram("force\n", &first);
10635 CopyBoard(boards[0], initial_position);
10636 if (blackPlaysFirst) {
10637 currentMove = forwardMostMove = backwardMostMove = 1;
10638 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10639 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10640 CopyBoard(boards[1], initial_position);
10641 DisplayMessage("", _("Black to play"));
10643 currentMove = forwardMostMove = backwardMostMove = 0;
10644 DisplayMessage("", _("White to play"));
10646 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10647 SendBoard(&first, forwardMostMove);
10648 if (appData.debugMode) {
10650 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10651 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10652 fprintf(debugFP, "Load Position\n");
10655 if (positionNumber > 1) {
10656 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10657 DisplayTitle(line);
10659 DisplayTitle(title);
10661 gameMode = EditGame;
10664 timeRemaining[0][1] = whiteTimeRemaining;
10665 timeRemaining[1][1] = blackTimeRemaining;
10666 DrawPosition(FALSE, boards[currentMove]);
10673 CopyPlayerNameIntoFileName(dest, src)
10676 while (*src != NULLCHAR && *src != ',') {
10681 *(*dest)++ = *src++;
10686 char *DefaultFileName(ext)
10689 static char def[MSG_SIZ];
10692 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10694 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10696 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10698 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10705 /* Save the current game to the given file */
10707 SaveGameToFile(filename, append)
10714 if (strcmp(filename, "-") == 0) {
10715 return SaveGame(stdout, 0, NULL);
10717 f = fopen(filename, append ? "a" : "w");
10719 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10720 DisplayError(buf, errno);
10723 return SaveGame(f, 0, NULL);
10732 static char buf[MSG_SIZ];
10735 p = strchr(str, ' ');
10736 if (p == NULL) return str;
10737 strncpy(buf, str, p - str);
10738 buf[p - str] = NULLCHAR;
10742 #define PGN_MAX_LINE 75
10744 #define PGN_SIDE_WHITE 0
10745 #define PGN_SIDE_BLACK 1
10748 static int FindFirstMoveOutOfBook( int side )
10752 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10753 int index = backwardMostMove;
10754 int has_book_hit = 0;
10756 if( (index % 2) != side ) {
10760 while( index < forwardMostMove ) {
10761 /* Check to see if engine is in book */
10762 int depth = pvInfoList[index].depth;
10763 int score = pvInfoList[index].score;
10769 else if( score == 0 && depth == 63 ) {
10770 in_book = 1; /* Zappa */
10772 else if( score == 2 && depth == 99 ) {
10773 in_book = 1; /* Abrok */
10776 has_book_hit += in_book;
10792 void GetOutOfBookInfo( char * buf )
10796 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10798 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10799 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10803 if( oob[0] >= 0 || oob[1] >= 0 ) {
10804 for( i=0; i<2; i++ ) {
10808 if( i > 0 && oob[0] >= 0 ) {
10809 strcat( buf, " " );
10812 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10813 sprintf( buf+strlen(buf), "%s%.2f",
10814 pvInfoList[idx].score >= 0 ? "+" : "",
10815 pvInfoList[idx].score / 100.0 );
10821 /* Save game in PGN style and close the file */
10826 int i, offset, linelen, newblock;
10830 int movelen, numlen, blank;
10831 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10833 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10835 tm = time((time_t *) NULL);
10837 PrintPGNTags(f, &gameInfo);
10839 if (backwardMostMove > 0 || startedFromSetupPosition) {
10840 char *fen = PositionToFEN(backwardMostMove, NULL);
10841 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10842 fprintf(f, "\n{--------------\n");
10843 PrintPosition(f, backwardMostMove);
10844 fprintf(f, "--------------}\n");
10848 /* [AS] Out of book annotation */
10849 if( appData.saveOutOfBookInfo ) {
10852 GetOutOfBookInfo( buf );
10854 if( buf[0] != '\0' ) {
10855 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10862 i = backwardMostMove;
10866 while (i < forwardMostMove) {
10867 /* Print comments preceding this move */
10868 if (commentList[i] != NULL) {
10869 if (linelen > 0) fprintf(f, "\n");
10870 fprintf(f, "%s", commentList[i]);
10875 /* Format move number */
10877 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10880 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10882 numtext[0] = NULLCHAR;
10884 numlen = strlen(numtext);
10887 /* Print move number */
10888 blank = linelen > 0 && numlen > 0;
10889 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10898 fprintf(f, "%s", numtext);
10902 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10903 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10906 blank = linelen > 0 && movelen > 0;
10907 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10916 fprintf(f, "%s", move_buffer);
10917 linelen += movelen;
10919 /* [AS] Add PV info if present */
10920 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10921 /* [HGM] add time */
10922 char buf[MSG_SIZ]; int seconds;
10924 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10930 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10933 seconds = (seconds + 4)/10; // round to full seconds
10935 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10937 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10940 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10941 pvInfoList[i].score >= 0 ? "+" : "",
10942 pvInfoList[i].score / 100.0,
10943 pvInfoList[i].depth,
10946 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10948 /* Print score/depth */
10949 blank = linelen > 0 && movelen > 0;
10950 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10959 fprintf(f, "%s", move_buffer);
10960 linelen += movelen;
10966 /* Start a new line */
10967 if (linelen > 0) fprintf(f, "\n");
10969 /* Print comments after last move */
10970 if (commentList[i] != NULL) {
10971 fprintf(f, "%s\n", commentList[i]);
10975 if (gameInfo.resultDetails != NULL &&
10976 gameInfo.resultDetails[0] != NULLCHAR) {
10977 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10978 PGNResult(gameInfo.result));
10980 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10984 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10988 /* Save game in old style and close the file */
10990 SaveGameOldStyle(f)
10996 tm = time((time_t *) NULL);
10998 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11001 if (backwardMostMove > 0 || startedFromSetupPosition) {
11002 fprintf(f, "\n[--------------\n");
11003 PrintPosition(f, backwardMostMove);
11004 fprintf(f, "--------------]\n");
11009 i = backwardMostMove;
11010 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11012 while (i < forwardMostMove) {
11013 if (commentList[i] != NULL) {
11014 fprintf(f, "[%s]\n", commentList[i]);
11017 if ((i % 2) == 1) {
11018 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11021 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11023 if (commentList[i] != NULL) {
11027 if (i >= forwardMostMove) {
11031 fprintf(f, "%s\n", parseList[i]);
11036 if (commentList[i] != NULL) {
11037 fprintf(f, "[%s]\n", commentList[i]);
11040 /* This isn't really the old style, but it's close enough */
11041 if (gameInfo.resultDetails != NULL &&
11042 gameInfo.resultDetails[0] != NULLCHAR) {
11043 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11044 gameInfo.resultDetails);
11046 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11053 /* Save the current game to open file f and close the file */
11055 SaveGame(f, dummy, dummy2)
11060 if (gameMode == EditPosition) EditPositionDone(TRUE);
11061 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11062 if (appData.oldSaveStyle)
11063 return SaveGameOldStyle(f);
11065 return SaveGamePGN(f);
11068 /* Save the current position to the given file */
11070 SavePositionToFile(filename)
11076 if (strcmp(filename, "-") == 0) {
11077 return SavePosition(stdout, 0, NULL);
11079 f = fopen(filename, "a");
11081 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11082 DisplayError(buf, errno);
11085 SavePosition(f, 0, NULL);
11091 /* Save the current position to the given open file and close the file */
11093 SavePosition(f, dummy, dummy2)
11101 if (gameMode == EditPosition) EditPositionDone(TRUE);
11102 if (appData.oldSaveStyle) {
11103 tm = time((time_t *) NULL);
11105 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11107 fprintf(f, "[--------------\n");
11108 PrintPosition(f, currentMove);
11109 fprintf(f, "--------------]\n");
11111 fen = PositionToFEN(currentMove, NULL);
11112 fprintf(f, "%s\n", fen);
11120 ReloadCmailMsgEvent(unregister)
11124 static char *inFilename = NULL;
11125 static char *outFilename;
11127 struct stat inbuf, outbuf;
11130 /* Any registered moves are unregistered if unregister is set, */
11131 /* i.e. invoked by the signal handler */
11133 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11134 cmailMoveRegistered[i] = FALSE;
11135 if (cmailCommentList[i] != NULL) {
11136 free(cmailCommentList[i]);
11137 cmailCommentList[i] = NULL;
11140 nCmailMovesRegistered = 0;
11143 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11144 cmailResult[i] = CMAIL_NOT_RESULT;
11148 if (inFilename == NULL) {
11149 /* Because the filenames are static they only get malloced once */
11150 /* and they never get freed */
11151 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11152 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11154 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11155 sprintf(outFilename, "%s.out", appData.cmailGameName);
11158 status = stat(outFilename, &outbuf);
11160 cmailMailedMove = FALSE;
11162 status = stat(inFilename, &inbuf);
11163 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11166 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11167 counts the games, notes how each one terminated, etc.
11169 It would be nice to remove this kludge and instead gather all
11170 the information while building the game list. (And to keep it
11171 in the game list nodes instead of having a bunch of fixed-size
11172 parallel arrays.) Note this will require getting each game's
11173 termination from the PGN tags, as the game list builder does
11174 not process the game moves. --mann
11176 cmailMsgLoaded = TRUE;
11177 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11179 /* Load first game in the file or popup game menu */
11180 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11182 #endif /* !WIN32 */
11190 char string[MSG_SIZ];
11192 if ( cmailMailedMove
11193 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11194 return TRUE; /* Allow free viewing */
11197 /* Unregister move to ensure that we don't leave RegisterMove */
11198 /* with the move registered when the conditions for registering no */
11200 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11201 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11202 nCmailMovesRegistered --;
11204 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11206 free(cmailCommentList[lastLoadGameNumber - 1]);
11207 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11211 if (cmailOldMove == -1) {
11212 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11216 if (currentMove > cmailOldMove + 1) {
11217 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11221 if (currentMove < cmailOldMove) {
11222 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11226 if (forwardMostMove > currentMove) {
11227 /* Silently truncate extra moves */
11231 if ( (currentMove == cmailOldMove + 1)
11232 || ( (currentMove == cmailOldMove)
11233 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11234 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11235 if (gameInfo.result != GameUnfinished) {
11236 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11239 if (commentList[currentMove] != NULL) {
11240 cmailCommentList[lastLoadGameNumber - 1]
11241 = StrSave(commentList[currentMove]);
11243 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11245 if (appData.debugMode)
11246 fprintf(debugFP, "Saving %s for game %d\n",
11247 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11249 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11251 f = fopen(string, "w");
11252 if (appData.oldSaveStyle) {
11253 SaveGameOldStyle(f); /* also closes the file */
11255 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11256 f = fopen(string, "w");
11257 SavePosition(f, 0, NULL); /* also closes the file */
11259 fprintf(f, "{--------------\n");
11260 PrintPosition(f, currentMove);
11261 fprintf(f, "--------------}\n\n");
11263 SaveGame(f, 0, NULL); /* also closes the file*/
11266 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11267 nCmailMovesRegistered ++;
11268 } else if (nCmailGames == 1) {
11269 DisplayError(_("You have not made a move yet"), 0);
11280 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11281 FILE *commandOutput;
11282 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11283 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11289 if (! cmailMsgLoaded) {
11290 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11294 if (nCmailGames == nCmailResults) {
11295 DisplayError(_("No unfinished games"), 0);
11299 #if CMAIL_PROHIBIT_REMAIL
11300 if (cmailMailedMove) {
11301 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);
11302 DisplayError(msg, 0);
11307 if (! (cmailMailedMove || RegisterMove())) return;
11309 if ( cmailMailedMove
11310 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11311 snprintf(string, MSG_SIZ, partCommandString,
11312 appData.debugMode ? " -v" : "", appData.cmailGameName);
11313 commandOutput = popen(string, "r");
11315 if (commandOutput == NULL) {
11316 DisplayError(_("Failed to invoke cmail"), 0);
11318 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11319 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11321 if (nBuffers > 1) {
11322 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11323 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11324 nBytes = MSG_SIZ - 1;
11326 (void) memcpy(msg, buffer, nBytes);
11328 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11330 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11331 cmailMailedMove = TRUE; /* Prevent >1 moves */
11334 for (i = 0; i < nCmailGames; i ++) {
11335 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11340 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11342 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11344 appData.cmailGameName,
11346 LoadGameFromFile(buffer, 1, buffer, FALSE);
11347 cmailMsgLoaded = FALSE;
11351 DisplayInformation(msg);
11352 pclose(commandOutput);
11355 if ((*cmailMsg) != '\0') {
11356 DisplayInformation(cmailMsg);
11361 #endif /* !WIN32 */
11370 int prependComma = 0;
11372 char string[MSG_SIZ]; /* Space for game-list */
11375 if (!cmailMsgLoaded) return "";
11377 if (cmailMailedMove) {
11378 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11380 /* Create a list of games left */
11381 snprintf(string, MSG_SIZ, "[");
11382 for (i = 0; i < nCmailGames; i ++) {
11383 if (! ( cmailMoveRegistered[i]
11384 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11385 if (prependComma) {
11386 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11388 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11392 strcat(string, number);
11395 strcat(string, "]");
11397 if (nCmailMovesRegistered + nCmailResults == 0) {
11398 switch (nCmailGames) {
11400 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11404 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11408 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11413 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11415 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11420 if (nCmailResults == nCmailGames) {
11421 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11423 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11428 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11440 if (gameMode == Training)
11441 SetTrainingModeOff();
11444 cmailMsgLoaded = FALSE;
11445 if (appData.icsActive) {
11446 SendToICS(ics_prefix);
11447 SendToICS("refresh\n");
11457 /* Give up on clean exit */
11461 /* Keep trying for clean exit */
11465 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11467 if (telnetISR != NULL) {
11468 RemoveInputSource(telnetISR);
11470 if (icsPR != NoProc) {
11471 DestroyChildProcess(icsPR, TRUE);
11474 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11475 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11477 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11478 /* make sure this other one finishes before killing it! */
11479 if(endingGame) { int count = 0;
11480 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11481 while(endingGame && count++ < 10) DoSleep(1);
11482 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11485 /* Kill off chess programs */
11486 if (first.pr != NoProc) {
11489 DoSleep( appData.delayBeforeQuit );
11490 SendToProgram("quit\n", &first);
11491 DoSleep( appData.delayAfterQuit );
11492 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11494 if (second.pr != NoProc) {
11495 DoSleep( appData.delayBeforeQuit );
11496 SendToProgram("quit\n", &second);
11497 DoSleep( appData.delayAfterQuit );
11498 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11500 if (first.isr != NULL) {
11501 RemoveInputSource(first.isr);
11503 if (second.isr != NULL) {
11504 RemoveInputSource(second.isr);
11507 ShutDownFrontEnd();
11514 if (appData.debugMode)
11515 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11519 if (gameMode == MachinePlaysWhite ||
11520 gameMode == MachinePlaysBlack) {
11523 DisplayBothClocks();
11525 if (gameMode == PlayFromGameFile) {
11526 if (appData.timeDelay >= 0)
11527 AutoPlayGameLoop();
11528 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11529 Reset(FALSE, TRUE);
11530 SendToICS(ics_prefix);
11531 SendToICS("refresh\n");
11532 } else if (currentMove < forwardMostMove) {
11533 ForwardInner(forwardMostMove);
11535 pauseExamInvalid = FALSE;
11537 switch (gameMode) {
11541 pauseExamForwardMostMove = forwardMostMove;
11542 pauseExamInvalid = FALSE;
11545 case IcsPlayingWhite:
11546 case IcsPlayingBlack:
11550 case PlayFromGameFile:
11551 (void) StopLoadGameTimer();
11555 case BeginningOfGame:
11556 if (appData.icsActive) return;
11557 /* else fall through */
11558 case MachinePlaysWhite:
11559 case MachinePlaysBlack:
11560 case TwoMachinesPlay:
11561 if (forwardMostMove == 0)
11562 return; /* don't pause if no one has moved */
11563 if ((gameMode == MachinePlaysWhite &&
11564 !WhiteOnMove(forwardMostMove)) ||
11565 (gameMode == MachinePlaysBlack &&
11566 WhiteOnMove(forwardMostMove))) {
11579 char title[MSG_SIZ];
11581 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11582 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11584 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11585 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11586 parseList[currentMove - 1]);
11589 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11596 char *tags = PGNTags(&gameInfo);
11597 EditTagsPopUp(tags);
11604 if (appData.noChessProgram || gameMode == AnalyzeMode)
11607 if (gameMode != AnalyzeFile) {
11608 if (!appData.icsEngineAnalyze) {
11610 if (gameMode != EditGame) return;
11612 ResurrectChessProgram();
11613 SendToProgram("analyze\n", &first);
11614 first.analyzing = TRUE;
11615 /*first.maybeThinking = TRUE;*/
11616 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11617 EngineOutputPopUp();
11619 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11624 StartAnalysisClock();
11625 GetTimeMark(&lastNodeCountTime);
11632 if (appData.noChessProgram || gameMode == AnalyzeFile)
11635 if (gameMode != AnalyzeMode) {
11637 if (gameMode != EditGame) return;
11638 ResurrectChessProgram();
11639 SendToProgram("analyze\n", &first);
11640 first.analyzing = TRUE;
11641 /*first.maybeThinking = TRUE;*/
11642 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11643 EngineOutputPopUp();
11645 gameMode = AnalyzeFile;
11650 StartAnalysisClock();
11651 GetTimeMark(&lastNodeCountTime);
11656 MachineWhiteEvent()
11659 char *bookHit = NULL;
11661 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11665 if (gameMode == PlayFromGameFile ||
11666 gameMode == TwoMachinesPlay ||
11667 gameMode == Training ||
11668 gameMode == AnalyzeMode ||
11669 gameMode == EndOfGame)
11672 if (gameMode == EditPosition)
11673 EditPositionDone(TRUE);
11675 if (!WhiteOnMove(currentMove)) {
11676 DisplayError(_("It is not White's turn"), 0);
11680 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11683 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11684 gameMode == AnalyzeFile)
11687 ResurrectChessProgram(); /* in case it isn't running */
11688 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11689 gameMode = MachinePlaysWhite;
11692 gameMode = MachinePlaysWhite;
11696 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11698 if (first.sendName) {
11699 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11700 SendToProgram(buf, &first);
11702 if (first.sendTime) {
11703 if (first.useColors) {
11704 SendToProgram("black\n", &first); /*gnu kludge*/
11706 SendTimeRemaining(&first, TRUE);
11708 if (first.useColors) {
11709 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11711 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11712 SetMachineThinkingEnables();
11713 first.maybeThinking = TRUE;
11717 if (appData.autoFlipView && !flipView) {
11718 flipView = !flipView;
11719 DrawPosition(FALSE, NULL);
11720 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11723 if(bookHit) { // [HGM] book: simulate book reply
11724 static char bookMove[MSG_SIZ]; // a bit generous?
11726 programStats.nodes = programStats.depth = programStats.time =
11727 programStats.score = programStats.got_only_move = 0;
11728 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11730 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11731 strcat(bookMove, bookHit);
11732 HandleMachineMove(bookMove, &first);
11737 MachineBlackEvent()
11740 char *bookHit = NULL;
11742 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11746 if (gameMode == PlayFromGameFile ||
11747 gameMode == TwoMachinesPlay ||
11748 gameMode == Training ||
11749 gameMode == AnalyzeMode ||
11750 gameMode == EndOfGame)
11753 if (gameMode == EditPosition)
11754 EditPositionDone(TRUE);
11756 if (WhiteOnMove(currentMove)) {
11757 DisplayError(_("It is not Black's turn"), 0);
11761 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11764 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11765 gameMode == AnalyzeFile)
11768 ResurrectChessProgram(); /* in case it isn't running */
11769 gameMode = MachinePlaysBlack;
11773 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11775 if (first.sendName) {
11776 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11777 SendToProgram(buf, &first);
11779 if (first.sendTime) {
11780 if (first.useColors) {
11781 SendToProgram("white\n", &first); /*gnu kludge*/
11783 SendTimeRemaining(&first, FALSE);
11785 if (first.useColors) {
11786 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11788 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11789 SetMachineThinkingEnables();
11790 first.maybeThinking = TRUE;
11793 if (appData.autoFlipView && flipView) {
11794 flipView = !flipView;
11795 DrawPosition(FALSE, NULL);
11796 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11798 if(bookHit) { // [HGM] book: simulate book reply
11799 static char bookMove[MSG_SIZ]; // a bit generous?
11801 programStats.nodes = programStats.depth = programStats.time =
11802 programStats.score = programStats.got_only_move = 0;
11803 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11805 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11806 strcat(bookMove, bookHit);
11807 HandleMachineMove(bookMove, &first);
11813 DisplayTwoMachinesTitle()
11816 if (appData.matchGames > 0) {
11817 if (first.twoMachinesColor[0] == 'w') {
11818 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11819 gameInfo.white, gameInfo.black,
11820 first.matchWins, second.matchWins,
11821 matchGame - 1 - (first.matchWins + second.matchWins));
11823 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11824 gameInfo.white, gameInfo.black,
11825 second.matchWins, first.matchWins,
11826 matchGame - 1 - (first.matchWins + second.matchWins));
11829 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11835 TwoMachinesEvent P((void))
11839 ChessProgramState *onmove;
11840 char *bookHit = NULL;
11842 if (appData.noChessProgram) return;
11844 switch (gameMode) {
11845 case TwoMachinesPlay:
11847 case MachinePlaysWhite:
11848 case MachinePlaysBlack:
11849 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11850 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11854 case BeginningOfGame:
11855 case PlayFromGameFile:
11858 if (gameMode != EditGame) return;
11861 EditPositionDone(TRUE);
11872 // forwardMostMove = currentMove;
11873 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11874 ResurrectChessProgram(); /* in case first program isn't running */
11876 if (second.pr == NULL) {
11877 StartChessProgram(&second);
11878 if (second.protocolVersion == 1) {
11879 TwoMachinesEventIfReady();
11881 /* kludge: allow timeout for initial "feature" command */
11883 DisplayMessage("", _("Starting second chess program"));
11884 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11888 DisplayMessage("", "");
11889 InitChessProgram(&second, FALSE);
11890 SendToProgram("force\n", &second);
11891 if (startedFromSetupPosition) {
11892 SendBoard(&second, backwardMostMove);
11893 if (appData.debugMode) {
11894 fprintf(debugFP, "Two Machines\n");
11897 for (i = backwardMostMove; i < forwardMostMove; i++) {
11898 SendMoveToProgram(i, &second);
11901 gameMode = TwoMachinesPlay;
11905 DisplayTwoMachinesTitle();
11907 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11913 SendToProgram(first.computerString, &first);
11914 if (first.sendName) {
11915 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11916 SendToProgram(buf, &first);
11918 SendToProgram(second.computerString, &second);
11919 if (second.sendName) {
11920 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11921 SendToProgram(buf, &second);
11925 if (!first.sendTime || !second.sendTime) {
11926 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11927 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11929 if (onmove->sendTime) {
11930 if (onmove->useColors) {
11931 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11933 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11935 if (onmove->useColors) {
11936 SendToProgram(onmove->twoMachinesColor, onmove);
11938 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11939 // SendToProgram("go\n", onmove);
11940 onmove->maybeThinking = TRUE;
11941 SetMachineThinkingEnables();
11945 if(bookHit) { // [HGM] book: simulate book reply
11946 static char bookMove[MSG_SIZ]; // a bit generous?
11948 programStats.nodes = programStats.depth = programStats.time =
11949 programStats.score = programStats.got_only_move = 0;
11950 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11952 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11953 strcat(bookMove, bookHit);
11954 savedMessage = bookMove; // args for deferred call
11955 savedState = onmove;
11956 ScheduleDelayedEvent(DeferredBookMove, 1);
11963 if (gameMode == Training) {
11964 SetTrainingModeOff();
11965 gameMode = PlayFromGameFile;
11966 DisplayMessage("", _("Training mode off"));
11968 gameMode = Training;
11969 animateTraining = appData.animate;
11971 /* make sure we are not already at the end of the game */
11972 if (currentMove < forwardMostMove) {
11973 SetTrainingModeOn();
11974 DisplayMessage("", _("Training mode on"));
11976 gameMode = PlayFromGameFile;
11977 DisplayError(_("Already at end of game"), 0);
11986 if (!appData.icsActive) return;
11987 switch (gameMode) {
11988 case IcsPlayingWhite:
11989 case IcsPlayingBlack:
11992 case BeginningOfGame:
12000 EditPositionDone(TRUE);
12013 gameMode = IcsIdle;
12024 switch (gameMode) {
12026 SetTrainingModeOff();
12028 case MachinePlaysWhite:
12029 case MachinePlaysBlack:
12030 case BeginningOfGame:
12031 SendToProgram("force\n", &first);
12032 SetUserThinkingEnables();
12034 case PlayFromGameFile:
12035 (void) StopLoadGameTimer();
12036 if (gameFileFP != NULL) {
12041 EditPositionDone(TRUE);
12046 SendToProgram("force\n", &first);
12048 case TwoMachinesPlay:
12049 GameEnds(EndOfFile, NULL, GE_PLAYER);
12050 ResurrectChessProgram();
12051 SetUserThinkingEnables();
12054 ResurrectChessProgram();
12056 case IcsPlayingBlack:
12057 case IcsPlayingWhite:
12058 DisplayError(_("Warning: You are still playing a game"), 0);
12061 DisplayError(_("Warning: You are still observing a game"), 0);
12064 DisplayError(_("Warning: You are still examining a game"), 0);
12075 first.offeredDraw = second.offeredDraw = 0;
12077 if (gameMode == PlayFromGameFile) {
12078 whiteTimeRemaining = timeRemaining[0][currentMove];
12079 blackTimeRemaining = timeRemaining[1][currentMove];
12083 if (gameMode == MachinePlaysWhite ||
12084 gameMode == MachinePlaysBlack ||
12085 gameMode == TwoMachinesPlay ||
12086 gameMode == EndOfGame) {
12087 i = forwardMostMove;
12088 while (i > currentMove) {
12089 SendToProgram("undo\n", &first);
12092 whiteTimeRemaining = timeRemaining[0][currentMove];
12093 blackTimeRemaining = timeRemaining[1][currentMove];
12094 DisplayBothClocks();
12095 if (whiteFlag || blackFlag) {
12096 whiteFlag = blackFlag = 0;
12101 gameMode = EditGame;
12108 EditPositionEvent()
12110 if (gameMode == EditPosition) {
12116 if (gameMode != EditGame) return;
12118 gameMode = EditPosition;
12121 if (currentMove > 0)
12122 CopyBoard(boards[0], boards[currentMove]);
12124 blackPlaysFirst = !WhiteOnMove(currentMove);
12126 currentMove = forwardMostMove = backwardMostMove = 0;
12127 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12134 /* [DM] icsEngineAnalyze - possible call from other functions */
12135 if (appData.icsEngineAnalyze) {
12136 appData.icsEngineAnalyze = FALSE;
12138 DisplayMessage("",_("Close ICS engine analyze..."));
12140 if (first.analysisSupport && first.analyzing) {
12141 SendToProgram("exit\n", &first);
12142 first.analyzing = FALSE;
12144 thinkOutput[0] = NULLCHAR;
12148 EditPositionDone(Boolean fakeRights)
12150 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12152 startedFromSetupPosition = TRUE;
12153 InitChessProgram(&first, FALSE);
12154 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12155 boards[0][EP_STATUS] = EP_NONE;
12156 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12157 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12158 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12159 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12160 } else boards[0][CASTLING][2] = NoRights;
12161 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12162 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12163 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12164 } else boards[0][CASTLING][5] = NoRights;
12166 SendToProgram("force\n", &first);
12167 if (blackPlaysFirst) {
12168 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12169 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12170 currentMove = forwardMostMove = backwardMostMove = 1;
12171 CopyBoard(boards[1], boards[0]);
12173 currentMove = forwardMostMove = backwardMostMove = 0;
12175 SendBoard(&first, forwardMostMove);
12176 if (appData.debugMode) {
12177 fprintf(debugFP, "EditPosDone\n");
12180 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12181 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12182 gameMode = EditGame;
12184 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12185 ClearHighlights(); /* [AS] */
12188 /* Pause for `ms' milliseconds */
12189 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12199 } while (SubtractTimeMarks(&m2, &m1) < ms);
12202 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12204 SendMultiLineToICS(buf)
12207 char temp[MSG_SIZ+1], *p;
12214 strncpy(temp, buf, len);
12219 if (*p == '\n' || *p == '\r')
12224 strcat(temp, "\n");
12226 SendToPlayer(temp, strlen(temp));
12230 SetWhiteToPlayEvent()
12232 if (gameMode == EditPosition) {
12233 blackPlaysFirst = FALSE;
12234 DisplayBothClocks(); /* works because currentMove is 0 */
12235 } else if (gameMode == IcsExamining) {
12236 SendToICS(ics_prefix);
12237 SendToICS("tomove white\n");
12242 SetBlackToPlayEvent()
12244 if (gameMode == EditPosition) {
12245 blackPlaysFirst = TRUE;
12246 currentMove = 1; /* kludge */
12247 DisplayBothClocks();
12249 } else if (gameMode == IcsExamining) {
12250 SendToICS(ics_prefix);
12251 SendToICS("tomove black\n");
12256 EditPositionMenuEvent(selection, x, y)
12257 ChessSquare selection;
12261 ChessSquare piece = boards[0][y][x];
12263 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12265 switch (selection) {
12267 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12268 SendToICS(ics_prefix);
12269 SendToICS("bsetup clear\n");
12270 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12271 SendToICS(ics_prefix);
12272 SendToICS("clearboard\n");
12274 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12275 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12276 for (y = 0; y < BOARD_HEIGHT; y++) {
12277 if (gameMode == IcsExamining) {
12278 if (boards[currentMove][y][x] != EmptySquare) {
12279 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12284 boards[0][y][x] = p;
12289 if (gameMode == EditPosition) {
12290 DrawPosition(FALSE, boards[0]);
12295 SetWhiteToPlayEvent();
12299 SetBlackToPlayEvent();
12303 if (gameMode == IcsExamining) {
12304 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12305 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12308 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12309 if(x == BOARD_LEFT-2) {
12310 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12311 boards[0][y][1] = 0;
12313 if(x == BOARD_RGHT+1) {
12314 if(y >= gameInfo.holdingsSize) break;
12315 boards[0][y][BOARD_WIDTH-2] = 0;
12318 boards[0][y][x] = EmptySquare;
12319 DrawPosition(FALSE, boards[0]);
12324 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12325 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12326 selection = (ChessSquare) (PROMOTED piece);
12327 } else if(piece == EmptySquare) selection = WhiteSilver;
12328 else selection = (ChessSquare)((int)piece - 1);
12332 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12333 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12334 selection = (ChessSquare) (DEMOTED piece);
12335 } else if(piece == EmptySquare) selection = BlackSilver;
12336 else selection = (ChessSquare)((int)piece + 1);
12341 if(gameInfo.variant == VariantShatranj ||
12342 gameInfo.variant == VariantXiangqi ||
12343 gameInfo.variant == VariantCourier ||
12344 gameInfo.variant == VariantMakruk )
12345 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12350 if(gameInfo.variant == VariantXiangqi)
12351 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12352 if(gameInfo.variant == VariantKnightmate)
12353 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12356 if (gameMode == IcsExamining) {
12357 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12358 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12359 PieceToChar(selection), AAA + x, ONE + y);
12362 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12364 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12365 n = PieceToNumber(selection - BlackPawn);
12366 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12367 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12368 boards[0][BOARD_HEIGHT-1-n][1]++;
12370 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12371 n = PieceToNumber(selection);
12372 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12373 boards[0][n][BOARD_WIDTH-1] = selection;
12374 boards[0][n][BOARD_WIDTH-2]++;
12377 boards[0][y][x] = selection;
12378 DrawPosition(TRUE, boards[0]);
12386 DropMenuEvent(selection, x, y)
12387 ChessSquare selection;
12390 ChessMove moveType;
12392 switch (gameMode) {
12393 case IcsPlayingWhite:
12394 case MachinePlaysBlack:
12395 if (!WhiteOnMove(currentMove)) {
12396 DisplayMoveError(_("It is Black's turn"));
12399 moveType = WhiteDrop;
12401 case IcsPlayingBlack:
12402 case MachinePlaysWhite:
12403 if (WhiteOnMove(currentMove)) {
12404 DisplayMoveError(_("It is White's turn"));
12407 moveType = BlackDrop;
12410 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12416 if (moveType == BlackDrop && selection < BlackPawn) {
12417 selection = (ChessSquare) ((int) selection
12418 + (int) BlackPawn - (int) WhitePawn);
12420 if (boards[currentMove][y][x] != EmptySquare) {
12421 DisplayMoveError(_("That square is occupied"));
12425 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12431 /* Accept a pending offer of any kind from opponent */
12433 if (appData.icsActive) {
12434 SendToICS(ics_prefix);
12435 SendToICS("accept\n");
12436 } else if (cmailMsgLoaded) {
12437 if (currentMove == cmailOldMove &&
12438 commentList[cmailOldMove] != NULL &&
12439 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12440 "Black offers a draw" : "White offers a draw")) {
12442 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12443 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12445 DisplayError(_("There is no pending offer on this move"), 0);
12446 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12449 /* Not used for offers from chess program */
12456 /* Decline a pending offer of any kind from opponent */
12458 if (appData.icsActive) {
12459 SendToICS(ics_prefix);
12460 SendToICS("decline\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 AppendComment(cmailOldMove, "Draw declined", TRUE);
12468 DisplayComment(cmailOldMove - 1, "Draw declined");
12471 DisplayError(_("There is no pending offer on this move"), 0);
12474 /* Not used for offers from chess program */
12481 /* Issue ICS rematch command */
12482 if (appData.icsActive) {
12483 SendToICS(ics_prefix);
12484 SendToICS("rematch\n");
12491 /* Call your opponent's flag (claim a win on time) */
12492 if (appData.icsActive) {
12493 SendToICS(ics_prefix);
12494 SendToICS("flag\n");
12496 switch (gameMode) {
12499 case MachinePlaysWhite:
12502 GameEnds(GameIsDrawn, "Both players ran out of time",
12505 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12507 DisplayError(_("Your opponent is not out of time"), 0);
12510 case MachinePlaysBlack:
12513 GameEnds(GameIsDrawn, "Both players ran out of time",
12516 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12518 DisplayError(_("Your opponent is not out of time"), 0);
12528 /* Offer draw or accept pending draw offer from opponent */
12530 if (appData.icsActive) {
12531 /* Note: tournament rules require draw offers to be
12532 made after you make your move but before you punch
12533 your clock. Currently ICS doesn't let you do that;
12534 instead, you immediately punch your clock after making
12535 a move, but you can offer a draw at any time. */
12537 SendToICS(ics_prefix);
12538 SendToICS("draw\n");
12539 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12540 } else if (cmailMsgLoaded) {
12541 if (currentMove == cmailOldMove &&
12542 commentList[cmailOldMove] != NULL &&
12543 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12544 "Black offers a draw" : "White offers a draw")) {
12545 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12546 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12547 } else if (currentMove == cmailOldMove + 1) {
12548 char *offer = WhiteOnMove(cmailOldMove) ?
12549 "White offers a draw" : "Black offers a draw";
12550 AppendComment(currentMove, offer, TRUE);
12551 DisplayComment(currentMove - 1, offer);
12552 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12554 DisplayError(_("You must make your move before offering a draw"), 0);
12555 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12557 } else if (first.offeredDraw) {
12558 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12560 if (first.sendDrawOffers) {
12561 SendToProgram("draw\n", &first);
12562 userOfferedDraw = TRUE;
12570 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12572 if (appData.icsActive) {
12573 SendToICS(ics_prefix);
12574 SendToICS("adjourn\n");
12576 /* Currently GNU Chess doesn't offer or accept Adjourns */
12584 /* Offer Abort or accept pending Abort offer from opponent */
12586 if (appData.icsActive) {
12587 SendToICS(ics_prefix);
12588 SendToICS("abort\n");
12590 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12597 /* Resign. You can do this even if it's not your turn. */
12599 if (appData.icsActive) {
12600 SendToICS(ics_prefix);
12601 SendToICS("resign\n");
12603 switch (gameMode) {
12604 case MachinePlaysWhite:
12605 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12607 case MachinePlaysBlack:
12608 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12611 if (cmailMsgLoaded) {
12613 if (WhiteOnMove(cmailOldMove)) {
12614 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12616 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12618 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12629 StopObservingEvent()
12631 /* Stop observing current games */
12632 SendToICS(ics_prefix);
12633 SendToICS("unobserve\n");
12637 StopExaminingEvent()
12639 /* Stop observing current game */
12640 SendToICS(ics_prefix);
12641 SendToICS("unexamine\n");
12645 ForwardInner(target)
12650 if (appData.debugMode)
12651 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12652 target, currentMove, forwardMostMove);
12654 if (gameMode == EditPosition)
12657 if (gameMode == PlayFromGameFile && !pausing)
12660 if (gameMode == IcsExamining && pausing)
12661 limit = pauseExamForwardMostMove;
12663 limit = forwardMostMove;
12665 if (target > limit) target = limit;
12667 if (target > 0 && moveList[target - 1][0]) {
12668 int fromX, fromY, toX, toY;
12669 toX = moveList[target - 1][2] - AAA;
12670 toY = moveList[target - 1][3] - ONE;
12671 if (moveList[target - 1][1] == '@') {
12672 if (appData.highlightLastMove) {
12673 SetHighlights(-1, -1, toX, toY);
12676 fromX = moveList[target - 1][0] - AAA;
12677 fromY = moveList[target - 1][1] - ONE;
12678 if (target == currentMove + 1) {
12679 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12681 if (appData.highlightLastMove) {
12682 SetHighlights(fromX, fromY, toX, toY);
12686 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12687 gameMode == Training || gameMode == PlayFromGameFile ||
12688 gameMode == AnalyzeFile) {
12689 while (currentMove < target) {
12690 SendMoveToProgram(currentMove++, &first);
12693 currentMove = target;
12696 if (gameMode == EditGame || gameMode == EndOfGame) {
12697 whiteTimeRemaining = timeRemaining[0][currentMove];
12698 blackTimeRemaining = timeRemaining[1][currentMove];
12700 DisplayBothClocks();
12701 DisplayMove(currentMove - 1);
12702 DrawPosition(FALSE, boards[currentMove]);
12703 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12704 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12705 DisplayComment(currentMove - 1, commentList[currentMove]);
12713 if (gameMode == IcsExamining && !pausing) {
12714 SendToICS(ics_prefix);
12715 SendToICS("forward\n");
12717 ForwardInner(currentMove + 1);
12724 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12725 /* to optimze, we temporarily turn off analysis mode while we feed
12726 * the remaining moves to the engine. Otherwise we get analysis output
12729 if (first.analysisSupport) {
12730 SendToProgram("exit\nforce\n", &first);
12731 first.analyzing = FALSE;
12735 if (gameMode == IcsExamining && !pausing) {
12736 SendToICS(ics_prefix);
12737 SendToICS("forward 999999\n");
12739 ForwardInner(forwardMostMove);
12742 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12743 /* we have fed all the moves, so reactivate analysis mode */
12744 SendToProgram("analyze\n", &first);
12745 first.analyzing = TRUE;
12746 /*first.maybeThinking = TRUE;*/
12747 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12752 BackwardInner(target)
12755 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12757 if (appData.debugMode)
12758 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12759 target, currentMove, forwardMostMove);
12761 if (gameMode == EditPosition) return;
12762 if (currentMove <= backwardMostMove) {
12764 DrawPosition(full_redraw, boards[currentMove]);
12767 if (gameMode == PlayFromGameFile && !pausing)
12770 if (moveList[target][0]) {
12771 int fromX, fromY, toX, toY;
12772 toX = moveList[target][2] - AAA;
12773 toY = moveList[target][3] - ONE;
12774 if (moveList[target][1] == '@') {
12775 if (appData.highlightLastMove) {
12776 SetHighlights(-1, -1, toX, toY);
12779 fromX = moveList[target][0] - AAA;
12780 fromY = moveList[target][1] - ONE;
12781 if (target == currentMove - 1) {
12782 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12784 if (appData.highlightLastMove) {
12785 SetHighlights(fromX, fromY, toX, toY);
12789 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12790 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12791 while (currentMove > target) {
12792 SendToProgram("undo\n", &first);
12796 currentMove = target;
12799 if (gameMode == EditGame || gameMode == EndOfGame) {
12800 whiteTimeRemaining = timeRemaining[0][currentMove];
12801 blackTimeRemaining = timeRemaining[1][currentMove];
12803 DisplayBothClocks();
12804 DisplayMove(currentMove - 1);
12805 DrawPosition(full_redraw, boards[currentMove]);
12806 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12807 // [HGM] PV info: routine tests if comment empty
12808 DisplayComment(currentMove - 1, commentList[currentMove]);
12814 if (gameMode == IcsExamining && !pausing) {
12815 SendToICS(ics_prefix);
12816 SendToICS("backward\n");
12818 BackwardInner(currentMove - 1);
12825 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12826 /* to optimize, we temporarily turn off analysis mode while we undo
12827 * all the moves. Otherwise we get analysis output after each undo.
12829 if (first.analysisSupport) {
12830 SendToProgram("exit\nforce\n", &first);
12831 first.analyzing = FALSE;
12835 if (gameMode == IcsExamining && !pausing) {
12836 SendToICS(ics_prefix);
12837 SendToICS("backward 999999\n");
12839 BackwardInner(backwardMostMove);
12842 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12843 /* we have fed all the moves, so reactivate analysis mode */
12844 SendToProgram("analyze\n", &first);
12845 first.analyzing = TRUE;
12846 /*first.maybeThinking = TRUE;*/
12847 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12854 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12855 if (to >= forwardMostMove) to = forwardMostMove;
12856 if (to <= backwardMostMove) to = backwardMostMove;
12857 if (to < currentMove) {
12865 RevertEvent(Boolean annotate)
12867 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12870 if (gameMode != IcsExamining) {
12871 DisplayError(_("You are not examining a game"), 0);
12875 DisplayError(_("You can't revert while pausing"), 0);
12878 SendToICS(ics_prefix);
12879 SendToICS("revert\n");
12885 switch (gameMode) {
12886 case MachinePlaysWhite:
12887 case MachinePlaysBlack:
12888 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12889 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12892 if (forwardMostMove < 2) return;
12893 currentMove = forwardMostMove = forwardMostMove - 2;
12894 whiteTimeRemaining = timeRemaining[0][currentMove];
12895 blackTimeRemaining = timeRemaining[1][currentMove];
12896 DisplayBothClocks();
12897 DisplayMove(currentMove - 1);
12898 ClearHighlights();/*!! could figure this out*/
12899 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12900 SendToProgram("remove\n", &first);
12901 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12904 case BeginningOfGame:
12908 case IcsPlayingWhite:
12909 case IcsPlayingBlack:
12910 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12911 SendToICS(ics_prefix);
12912 SendToICS("takeback 2\n");
12914 SendToICS(ics_prefix);
12915 SendToICS("takeback 1\n");
12924 ChessProgramState *cps;
12926 switch (gameMode) {
12927 case MachinePlaysWhite:
12928 if (!WhiteOnMove(forwardMostMove)) {
12929 DisplayError(_("It is your turn"), 0);
12934 case MachinePlaysBlack:
12935 if (WhiteOnMove(forwardMostMove)) {
12936 DisplayError(_("It is your turn"), 0);
12941 case TwoMachinesPlay:
12942 if (WhiteOnMove(forwardMostMove) ==
12943 (first.twoMachinesColor[0] == 'w')) {
12949 case BeginningOfGame:
12953 SendToProgram("?\n", cps);
12957 TruncateGameEvent()
12960 if (gameMode != EditGame) return;
12967 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12968 if (forwardMostMove > currentMove) {
12969 if (gameInfo.resultDetails != NULL) {
12970 free(gameInfo.resultDetails);
12971 gameInfo.resultDetails = NULL;
12972 gameInfo.result = GameUnfinished;
12974 forwardMostMove = currentMove;
12975 HistorySet(parseList, backwardMostMove, forwardMostMove,
12983 if (appData.noChessProgram) return;
12984 switch (gameMode) {
12985 case MachinePlaysWhite:
12986 if (WhiteOnMove(forwardMostMove)) {
12987 DisplayError(_("Wait until your turn"), 0);
12991 case BeginningOfGame:
12992 case MachinePlaysBlack:
12993 if (!WhiteOnMove(forwardMostMove)) {
12994 DisplayError(_("Wait until your turn"), 0);
12999 DisplayError(_("No hint available"), 0);
13002 SendToProgram("hint\n", &first);
13003 hintRequested = TRUE;
13009 if (appData.noChessProgram) return;
13010 switch (gameMode) {
13011 case MachinePlaysWhite:
13012 if (WhiteOnMove(forwardMostMove)) {
13013 DisplayError(_("Wait until your turn"), 0);
13017 case BeginningOfGame:
13018 case MachinePlaysBlack:
13019 if (!WhiteOnMove(forwardMostMove)) {
13020 DisplayError(_("Wait until your turn"), 0);
13025 EditPositionDone(TRUE);
13027 case TwoMachinesPlay:
13032 SendToProgram("bk\n", &first);
13033 bookOutput[0] = NULLCHAR;
13034 bookRequested = TRUE;
13040 char *tags = PGNTags(&gameInfo);
13041 TagsPopUp(tags, CmailMsg());
13045 /* end button procedures */
13048 PrintPosition(fp, move)
13054 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13055 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13056 char c = PieceToChar(boards[move][i][j]);
13057 fputc(c == 'x' ? '.' : c, fp);
13058 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13061 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13062 fprintf(fp, "white to play\n");
13064 fprintf(fp, "black to play\n");
13071 if (gameInfo.white != NULL) {
13072 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13078 /* Find last component of program's own name, using some heuristics */
13080 TidyProgramName(prog, host, buf)
13081 char *prog, *host, buf[MSG_SIZ];
13084 int local = (strcmp(host, "localhost") == 0);
13085 while (!local && (p = strchr(prog, ';')) != NULL) {
13087 while (*p == ' ') p++;
13090 if (*prog == '"' || *prog == '\'') {
13091 q = strchr(prog + 1, *prog);
13093 q = strchr(prog, ' ');
13095 if (q == NULL) q = prog + strlen(prog);
13097 while (p >= prog && *p != '/' && *p != '\\') p--;
13099 if(p == prog && *p == '"') p++;
13100 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13101 memcpy(buf, p, q - p);
13102 buf[q - p] = NULLCHAR;
13110 TimeControlTagValue()
13113 if (!appData.clockMode) {
13114 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13115 } else if (movesPerSession > 0) {
13116 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13117 } else if (timeIncrement == 0) {
13118 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13120 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13122 return StrSave(buf);
13128 /* This routine is used only for certain modes */
13129 VariantClass v = gameInfo.variant;
13130 ChessMove r = GameUnfinished;
13133 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13134 r = gameInfo.result;
13135 p = gameInfo.resultDetails;
13136 gameInfo.resultDetails = NULL;
13138 ClearGameInfo(&gameInfo);
13139 gameInfo.variant = v;
13141 switch (gameMode) {
13142 case MachinePlaysWhite:
13143 gameInfo.event = StrSave( appData.pgnEventHeader );
13144 gameInfo.site = StrSave(HostName());
13145 gameInfo.date = PGNDate();
13146 gameInfo.round = StrSave("-");
13147 gameInfo.white = StrSave(first.tidy);
13148 gameInfo.black = StrSave(UserName());
13149 gameInfo.timeControl = TimeControlTagValue();
13152 case MachinePlaysBlack:
13153 gameInfo.event = StrSave( appData.pgnEventHeader );
13154 gameInfo.site = StrSave(HostName());
13155 gameInfo.date = PGNDate();
13156 gameInfo.round = StrSave("-");
13157 gameInfo.white = StrSave(UserName());
13158 gameInfo.black = StrSave(first.tidy);
13159 gameInfo.timeControl = TimeControlTagValue();
13162 case TwoMachinesPlay:
13163 gameInfo.event = StrSave( appData.pgnEventHeader );
13164 gameInfo.site = StrSave(HostName());
13165 gameInfo.date = PGNDate();
13166 if (matchGame > 0) {
13168 snprintf(buf, MSG_SIZ, "%d", matchGame);
13169 gameInfo.round = StrSave(buf);
13171 gameInfo.round = StrSave("-");
13173 if (first.twoMachinesColor[0] == 'w') {
13174 gameInfo.white = StrSave(first.tidy);
13175 gameInfo.black = StrSave(second.tidy);
13177 gameInfo.white = StrSave(second.tidy);
13178 gameInfo.black = StrSave(first.tidy);
13180 gameInfo.timeControl = TimeControlTagValue();
13184 gameInfo.event = StrSave("Edited game");
13185 gameInfo.site = StrSave(HostName());
13186 gameInfo.date = PGNDate();
13187 gameInfo.round = StrSave("-");
13188 gameInfo.white = StrSave("-");
13189 gameInfo.black = StrSave("-");
13190 gameInfo.result = r;
13191 gameInfo.resultDetails = p;
13195 gameInfo.event = StrSave("Edited position");
13196 gameInfo.site = StrSave(HostName());
13197 gameInfo.date = PGNDate();
13198 gameInfo.round = StrSave("-");
13199 gameInfo.white = StrSave("-");
13200 gameInfo.black = StrSave("-");
13203 case IcsPlayingWhite:
13204 case IcsPlayingBlack:
13209 case PlayFromGameFile:
13210 gameInfo.event = StrSave("Game from non-PGN file");
13211 gameInfo.site = StrSave(HostName());
13212 gameInfo.date = PGNDate();
13213 gameInfo.round = StrSave("-");
13214 gameInfo.white = StrSave("?");
13215 gameInfo.black = StrSave("?");
13224 ReplaceComment(index, text)
13230 while (*text == '\n') text++;
13231 len = strlen(text);
13232 while (len > 0 && text[len - 1] == '\n') len--;
13234 if (commentList[index] != NULL)
13235 free(commentList[index]);
13238 commentList[index] = NULL;
13241 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13242 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13243 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13244 commentList[index] = (char *) malloc(len + 2);
13245 strncpy(commentList[index], text, len);
13246 commentList[index][len] = '\n';
13247 commentList[index][len + 1] = NULLCHAR;
13249 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13251 commentList[index] = (char *) malloc(len + 7);
13252 safeStrCpy(commentList[index], "{\n", 3);
13253 safeStrCpy(commentList[index]+2, text, len+1);
13254 commentList[index][len+2] = NULLCHAR;
13255 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13256 strcat(commentList[index], "\n}\n");
13270 if (ch == '\r') continue;
13272 } while (ch != '\0');
13276 AppendComment(index, text, addBraces)
13279 Boolean addBraces; // [HGM] braces: tells if we should add {}
13284 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13285 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13288 while (*text == '\n') text++;
13289 len = strlen(text);
13290 while (len > 0 && text[len - 1] == '\n') len--;
13292 if (len == 0) return;
13294 if (commentList[index] != NULL) {
13295 old = commentList[index];
13296 oldlen = strlen(old);
13297 while(commentList[index][oldlen-1] == '\n')
13298 commentList[index][--oldlen] = NULLCHAR;
13299 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13300 safeStrCpy(commentList[index], old, oldlen);
13302 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13303 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13304 if(addBraces) addBraces = FALSE; else { text++; len--; }
13305 while (*text == '\n') { text++; len--; }
13306 commentList[index][--oldlen] = NULLCHAR;
13308 if(addBraces) strcat(commentList[index], "\n{\n");
13309 else strcat(commentList[index], "\n");
13310 strcat(commentList[index], text);
13311 if(addBraces) strcat(commentList[index], "\n}\n");
13312 else strcat(commentList[index], "\n");
13314 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13316 safeStrCpy(commentList[index], "{\n", sizeof(commentList[index])/sizeof(commentList[index][0]));
13317 else commentList[index][0] = NULLCHAR;
13318 strcat(commentList[index], text);
13319 strcat(commentList[index], "\n");
13320 if(addBraces) strcat(commentList[index], "}\n");
13324 static char * FindStr( char * text, char * sub_text )
13326 char * result = strstr( text, sub_text );
13328 if( result != NULL ) {
13329 result += strlen( sub_text );
13335 /* [AS] Try to extract PV info from PGN comment */
13336 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13337 char *GetInfoFromComment( int index, char * text )
13341 if( text != NULL && index > 0 ) {
13344 int time = -1, sec = 0, deci;
13345 char * s_eval = FindStr( text, "[%eval " );
13346 char * s_emt = FindStr( text, "[%emt " );
13348 if( s_eval != NULL || s_emt != NULL ) {
13352 if( s_eval != NULL ) {
13353 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13357 if( delim != ']' ) {
13362 if( s_emt != NULL ) {
13367 /* We expect something like: [+|-]nnn.nn/dd */
13370 if(*text != '{') return text; // [HGM] braces: must be normal comment
13372 sep = strchr( text, '/' );
13373 if( sep == NULL || sep < (text+4) ) {
13377 time = -1; sec = -1; deci = -1;
13378 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13379 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13380 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13381 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13385 if( score_lo < 0 || score_lo >= 100 ) {
13389 if(sec >= 0) time = 600*time + 10*sec; else
13390 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13392 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13394 /* [HGM] PV time: now locate end of PV info */
13395 while( *++sep >= '0' && *sep <= '9'); // strip depth
13397 while( *++sep >= '0' && *sep <= '9'); // strip time
13399 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13401 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13402 while(*sep == ' ') sep++;
13413 pvInfoList[index-1].depth = depth;
13414 pvInfoList[index-1].score = score;
13415 pvInfoList[index-1].time = 10*time; // centi-sec
13416 if(*sep == '}') *sep = 0; else *--sep = '{';
13422 SendToProgram(message, cps)
13424 ChessProgramState *cps;
13426 int count, outCount, error;
13429 if (cps->pr == NULL) return;
13432 if (appData.debugMode) {
13435 fprintf(debugFP, "%ld >%-6s: %s",
13436 SubtractTimeMarks(&now, &programStartTime),
13437 cps->which, message);
13440 count = strlen(message);
13441 outCount = OutputToProcess(cps->pr, message, count, &error);
13442 if (outCount < count && !exiting
13443 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13444 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13445 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13446 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13447 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13448 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13450 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13452 gameInfo.resultDetails = StrSave(buf);
13454 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13459 ReceiveFromProgram(isr, closure, message, count, error)
13460 InputSourceRef isr;
13468 ChessProgramState *cps = (ChessProgramState *)closure;
13470 if (isr != cps->isr) return; /* Killed intentionally */
13473 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13474 cps->which, cps->program);
13475 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13476 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13477 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13478 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13480 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13482 gameInfo.resultDetails = StrSave(buf);
13484 RemoveInputSource(cps->isr);
13485 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13487 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13488 cps->which, cps->program);
13489 RemoveInputSource(cps->isr);
13491 /* [AS] Program is misbehaving badly... kill it */
13492 if( count == -2 ) {
13493 DestroyChildProcess( cps->pr, 9 );
13497 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13502 if ((end_str = strchr(message, '\r')) != NULL)
13503 *end_str = NULLCHAR;
13504 if ((end_str = strchr(message, '\n')) != NULL)
13505 *end_str = NULLCHAR;
13507 if (appData.debugMode) {
13508 TimeMark now; int print = 1;
13509 char *quote = ""; char c; int i;
13511 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13512 char start = message[0];
13513 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13514 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13515 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13516 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13517 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13518 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13519 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13520 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13521 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13522 print = (appData.engineComments >= 2);
13524 message[0] = start; // restore original message
13528 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13529 SubtractTimeMarks(&now, &programStartTime), cps->which,
13535 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13536 if (appData.icsEngineAnalyze) {
13537 if (strstr(message, "whisper") != NULL ||
13538 strstr(message, "kibitz") != NULL ||
13539 strstr(message, "tellics") != NULL) return;
13542 HandleMachineMove(message, cps);
13547 SendTimeControl(cps, mps, tc, inc, sd, st)
13548 ChessProgramState *cps;
13549 int mps, inc, sd, st;
13555 if( timeControl_2 > 0 ) {
13556 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13557 tc = timeControl_2;
13560 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13561 inc /= cps->timeOdds;
13562 st /= cps->timeOdds;
13564 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13567 /* Set exact time per move, normally using st command */
13568 if (cps->stKludge) {
13569 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13571 if (seconds == 0) {
13572 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13574 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13577 snprintf(buf, MSG_SIZ, "st %d\n", st);
13580 /* Set conventional or incremental time control, using level command */
13581 if (seconds == 0) {
13582 /* Note old gnuchess bug -- minutes:seconds used to not work.
13583 Fixed in later versions, but still avoid :seconds
13584 when seconds is 0. */
13585 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13587 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13588 seconds, inc/1000.);
13591 SendToProgram(buf, cps);
13593 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13594 /* Orthogonally, limit search to given depth */
13596 if (cps->sdKludge) {
13597 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13599 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13601 SendToProgram(buf, cps);
13604 if(cps->nps > 0) { /* [HGM] nps */
13605 if(cps->supportsNPS == FALSE)
13606 cps->nps = -1; // don't use if engine explicitly says not supported!
13608 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13609 SendToProgram(buf, cps);
13614 ChessProgramState *WhitePlayer()
13615 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13617 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13618 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13624 SendTimeRemaining(cps, machineWhite)
13625 ChessProgramState *cps;
13626 int /*boolean*/ machineWhite;
13628 char message[MSG_SIZ];
13631 /* Note: this routine must be called when the clocks are stopped
13632 or when they have *just* been set or switched; otherwise
13633 it will be off by the time since the current tick started.
13635 if (machineWhite) {
13636 time = whiteTimeRemaining / 10;
13637 otime = blackTimeRemaining / 10;
13639 time = blackTimeRemaining / 10;
13640 otime = whiteTimeRemaining / 10;
13642 /* [HGM] translate opponent's time by time-odds factor */
13643 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13644 if (appData.debugMode) {
13645 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13648 if (time <= 0) time = 1;
13649 if (otime <= 0) otime = 1;
13651 snprintf(message, MSG_SIZ, "time %ld\n", time);
13652 SendToProgram(message, cps);
13654 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13655 SendToProgram(message, cps);
13659 BoolFeature(p, name, loc, cps)
13663 ChessProgramState *cps;
13666 int len = strlen(name);
13669 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13671 sscanf(*p, "%d", &val);
13673 while (**p && **p != ' ')
13675 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13676 SendToProgram(buf, cps);
13683 IntFeature(p, name, loc, cps)
13687 ChessProgramState *cps;
13690 int len = strlen(name);
13691 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13693 sscanf(*p, "%d", loc);
13694 while (**p && **p != ' ') (*p)++;
13695 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13696 SendToProgram(buf, cps);
13703 StringFeature(p, name, loc, cps)
13707 ChessProgramState *cps;
13710 int len = strlen(name);
13711 if (strncmp((*p), name, len) == 0
13712 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13714 sscanf(*p, "%[^\"]", loc);
13715 while (**p && **p != '\"') (*p)++;
13716 if (**p == '\"') (*p)++;
13717 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13718 SendToProgram(buf, cps);
13725 ParseOption(Option *opt, ChessProgramState *cps)
13726 // [HGM] options: process the string that defines an engine option, and determine
13727 // name, type, default value, and allowed value range
13729 char *p, *q, buf[MSG_SIZ];
13730 int n, min = (-1)<<31, max = 1<<31, def;
13732 if(p = strstr(opt->name, " -spin ")) {
13733 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13734 if(max < min) max = min; // enforce consistency
13735 if(def < min) def = min;
13736 if(def > max) def = max;
13741 } else if((p = strstr(opt->name, " -slider "))) {
13742 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13743 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13744 if(max < min) max = min; // enforce consistency
13745 if(def < min) def = min;
13746 if(def > max) def = max;
13750 opt->type = Spin; // Slider;
13751 } else if((p = strstr(opt->name, " -string "))) {
13752 opt->textValue = p+9;
13753 opt->type = TextBox;
13754 } else if((p = strstr(opt->name, " -file "))) {
13755 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13756 opt->textValue = p+7;
13757 opt->type = TextBox; // FileName;
13758 } else if((p = strstr(opt->name, " -path "))) {
13759 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13760 opt->textValue = p+7;
13761 opt->type = TextBox; // PathName;
13762 } else if(p = strstr(opt->name, " -check ")) {
13763 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13764 opt->value = (def != 0);
13765 opt->type = CheckBox;
13766 } else if(p = strstr(opt->name, " -combo ")) {
13767 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13768 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13769 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13770 opt->value = n = 0;
13771 while(q = StrStr(q, " /// ")) {
13772 n++; *q = 0; // count choices, and null-terminate each of them
13774 if(*q == '*') { // remember default, which is marked with * prefix
13778 cps->comboList[cps->comboCnt++] = q;
13780 cps->comboList[cps->comboCnt++] = NULL;
13782 opt->type = ComboBox;
13783 } else if(p = strstr(opt->name, " -button")) {
13784 opt->type = Button;
13785 } else if(p = strstr(opt->name, " -save")) {
13786 opt->type = SaveButton;
13787 } else return FALSE;
13788 *p = 0; // terminate option name
13789 // now look if the command-line options define a setting for this engine option.
13790 if(cps->optionSettings && cps->optionSettings[0])
13791 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13792 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13793 snprintf(buf, MSG_SIZ, "option %s", p);
13794 if(p = strstr(buf, ",")) *p = 0;
13796 SendToProgram(buf, cps);
13802 FeatureDone(cps, val)
13803 ChessProgramState* cps;
13806 DelayedEventCallback cb = GetDelayedEvent();
13807 if ((cb == InitBackEnd3 && cps == &first) ||
13808 (cb == TwoMachinesEventIfReady && cps == &second)) {
13809 CancelDelayedEvent();
13810 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13812 cps->initDone = val;
13815 /* Parse feature command from engine */
13817 ParseFeatures(args, cps)
13819 ChessProgramState *cps;
13827 while (*p == ' ') p++;
13828 if (*p == NULLCHAR) return;
13830 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13831 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13832 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13833 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13834 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13835 if (BoolFeature(&p, "reuse", &val, cps)) {
13836 /* Engine can disable reuse, but can't enable it if user said no */
13837 if (!val) cps->reuse = FALSE;
13840 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13841 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13842 if (gameMode == TwoMachinesPlay) {
13843 DisplayTwoMachinesTitle();
13849 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13850 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13851 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13852 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13853 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13854 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13855 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13856 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13857 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13858 if (IntFeature(&p, "done", &val, cps)) {
13859 FeatureDone(cps, val);
13862 /* Added by Tord: */
13863 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13864 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13865 /* End of additions by Tord */
13867 /* [HGM] added features: */
13868 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13869 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13870 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13871 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13872 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13873 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13874 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13875 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13876 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13877 SendToProgram(buf, cps);
13880 if(cps->nrOptions >= MAX_OPTIONS) {
13882 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13883 DisplayError(buf, 0);
13887 /* End of additions by HGM */
13889 /* unknown feature: complain and skip */
13891 while (*q && *q != '=') q++;
13892 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13893 SendToProgram(buf, cps);
13899 while (*p && *p != '\"') p++;
13900 if (*p == '\"') p++;
13902 while (*p && *p != ' ') p++;
13910 PeriodicUpdatesEvent(newState)
13913 if (newState == appData.periodicUpdates)
13916 appData.periodicUpdates=newState;
13918 /* Display type changes, so update it now */
13919 // DisplayAnalysis();
13921 /* Get the ball rolling again... */
13923 AnalysisPeriodicEvent(1);
13924 StartAnalysisClock();
13929 PonderNextMoveEvent(newState)
13932 if (newState == appData.ponderNextMove) return;
13933 if (gameMode == EditPosition) EditPositionDone(TRUE);
13935 SendToProgram("hard\n", &first);
13936 if (gameMode == TwoMachinesPlay) {
13937 SendToProgram("hard\n", &second);
13940 SendToProgram("easy\n", &first);
13941 thinkOutput[0] = NULLCHAR;
13942 if (gameMode == TwoMachinesPlay) {
13943 SendToProgram("easy\n", &second);
13946 appData.ponderNextMove = newState;
13950 NewSettingEvent(option, feature, command, value)
13952 int option, value, *feature;
13956 if (gameMode == EditPosition) EditPositionDone(TRUE);
13957 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13958 if(feature == NULL || *feature) SendToProgram(buf, &first);
13959 if (gameMode == TwoMachinesPlay) {
13960 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13965 ShowThinkingEvent()
13966 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13968 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13969 int newState = appData.showThinking
13970 // [HGM] thinking: other features now need thinking output as well
13971 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13973 if (oldState == newState) return;
13974 oldState = newState;
13975 if (gameMode == EditPosition) EditPositionDone(TRUE);
13977 SendToProgram("post\n", &first);
13978 if (gameMode == TwoMachinesPlay) {
13979 SendToProgram("post\n", &second);
13982 SendToProgram("nopost\n", &first);
13983 thinkOutput[0] = NULLCHAR;
13984 if (gameMode == TwoMachinesPlay) {
13985 SendToProgram("nopost\n", &second);
13988 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13992 AskQuestionEvent(title, question, replyPrefix, which)
13993 char *title; char *question; char *replyPrefix; char *which;
13995 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13996 if (pr == NoProc) return;
13997 AskQuestion(title, question, replyPrefix, pr);
14001 DisplayMove(moveNumber)
14004 char message[MSG_SIZ];
14006 char cpThinkOutput[MSG_SIZ];
14008 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14010 if (moveNumber == forwardMostMove - 1 ||
14011 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14013 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14015 if (strchr(cpThinkOutput, '\n')) {
14016 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14019 *cpThinkOutput = NULLCHAR;
14022 /* [AS] Hide thinking from human user */
14023 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14024 *cpThinkOutput = NULLCHAR;
14025 if( thinkOutput[0] != NULLCHAR ) {
14028 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14029 cpThinkOutput[i] = '.';
14031 cpThinkOutput[i] = NULLCHAR;
14032 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14036 if (moveNumber == forwardMostMove - 1 &&
14037 gameInfo.resultDetails != NULL) {
14038 if (gameInfo.resultDetails[0] == NULLCHAR) {
14039 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14041 snprintf(res, MSG_SIZ, " {%s} %s",
14042 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14048 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14049 DisplayMessage(res, cpThinkOutput);
14051 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14052 WhiteOnMove(moveNumber) ? " " : ".. ",
14053 parseList[moveNumber], res);
14054 DisplayMessage(message, cpThinkOutput);
14059 DisplayComment(moveNumber, text)
14063 char title[MSG_SIZ];
14064 char buf[8000]; // comment can be long!
14067 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14068 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14070 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14071 WhiteOnMove(moveNumber) ? " " : ".. ",
14072 parseList[moveNumber]);
14074 // [HGM] PV info: display PV info together with (or as) comment
14075 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14076 if(text == NULL) text = "";
14077 score = pvInfoList[moveNumber].score;
14078 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14079 depth, (pvInfoList[moveNumber].time+50)/100, text);
14082 if (text != NULL && (appData.autoDisplayComment || commentUp))
14083 CommentPopUp(title, text);
14086 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14087 * might be busy thinking or pondering. It can be omitted if your
14088 * gnuchess is configured to stop thinking immediately on any user
14089 * input. However, that gnuchess feature depends on the FIONREAD
14090 * ioctl, which does not work properly on some flavors of Unix.
14094 ChessProgramState *cps;
14097 if (!cps->useSigint) return;
14098 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14099 switch (gameMode) {
14100 case MachinePlaysWhite:
14101 case MachinePlaysBlack:
14102 case TwoMachinesPlay:
14103 case IcsPlayingWhite:
14104 case IcsPlayingBlack:
14107 /* Skip if we know it isn't thinking */
14108 if (!cps->maybeThinking) return;
14109 if (appData.debugMode)
14110 fprintf(debugFP, "Interrupting %s\n", cps->which);
14111 InterruptChildProcess(cps->pr);
14112 cps->maybeThinking = FALSE;
14117 #endif /*ATTENTION*/
14123 if (whiteTimeRemaining <= 0) {
14126 if (appData.icsActive) {
14127 if (appData.autoCallFlag &&
14128 gameMode == IcsPlayingBlack && !blackFlag) {
14129 SendToICS(ics_prefix);
14130 SendToICS("flag\n");
14134 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14136 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14137 if (appData.autoCallFlag) {
14138 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14145 if (blackTimeRemaining <= 0) {
14148 if (appData.icsActive) {
14149 if (appData.autoCallFlag &&
14150 gameMode == IcsPlayingWhite && !whiteFlag) {
14151 SendToICS(ics_prefix);
14152 SendToICS("flag\n");
14156 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14158 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14159 if (appData.autoCallFlag) {
14160 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14173 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14174 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14177 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14179 if ( !WhiteOnMove(forwardMostMove) ) {
14180 /* White made time control */
14181 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14182 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14183 /* [HGM] time odds: correct new time quota for time odds! */
14184 / WhitePlayer()->timeOdds;
14185 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14187 lastBlack -= blackTimeRemaining;
14188 /* Black made time control */
14189 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14190 / WhitePlayer()->other->timeOdds;
14191 lastWhite = whiteTimeRemaining;
14196 DisplayBothClocks()
14198 int wom = gameMode == EditPosition ?
14199 !blackPlaysFirst : WhiteOnMove(currentMove);
14200 DisplayWhiteClock(whiteTimeRemaining, wom);
14201 DisplayBlackClock(blackTimeRemaining, !wom);
14205 /* Timekeeping seems to be a portability nightmare. I think everyone
14206 has ftime(), but I'm really not sure, so I'm including some ifdefs
14207 to use other calls if you don't. Clocks will be less accurate if
14208 you have neither ftime nor gettimeofday.
14211 /* VS 2008 requires the #include outside of the function */
14212 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14213 #include <sys/timeb.h>
14216 /* Get the current time as a TimeMark */
14221 #if HAVE_GETTIMEOFDAY
14223 struct timeval timeVal;
14224 struct timezone timeZone;
14226 gettimeofday(&timeVal, &timeZone);
14227 tm->sec = (long) timeVal.tv_sec;
14228 tm->ms = (int) (timeVal.tv_usec / 1000L);
14230 #else /*!HAVE_GETTIMEOFDAY*/
14233 // include <sys/timeb.h> / moved to just above start of function
14234 struct timeb timeB;
14237 tm->sec = (long) timeB.time;
14238 tm->ms = (int) timeB.millitm;
14240 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14241 tm->sec = (long) time(NULL);
14247 /* Return the difference in milliseconds between two
14248 time marks. We assume the difference will fit in a long!
14251 SubtractTimeMarks(tm2, tm1)
14252 TimeMark *tm2, *tm1;
14254 return 1000L*(tm2->sec - tm1->sec) +
14255 (long) (tm2->ms - tm1->ms);
14260 * Code to manage the game clocks.
14262 * In tournament play, black starts the clock and then white makes a move.
14263 * We give the human user a slight advantage if he is playing white---the
14264 * clocks don't run until he makes his first move, so it takes zero time.
14265 * Also, we don't account for network lag, so we could get out of sync
14266 * with GNU Chess's clock -- but then, referees are always right.
14269 static TimeMark tickStartTM;
14270 static long intendedTickLength;
14273 NextTickLength(timeRemaining)
14274 long timeRemaining;
14276 long nominalTickLength, nextTickLength;
14278 if (timeRemaining > 0L && timeRemaining <= 10000L)
14279 nominalTickLength = 100L;
14281 nominalTickLength = 1000L;
14282 nextTickLength = timeRemaining % nominalTickLength;
14283 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14285 return nextTickLength;
14288 /* Adjust clock one minute up or down */
14290 AdjustClock(Boolean which, int dir)
14292 if(which) blackTimeRemaining += 60000*dir;
14293 else whiteTimeRemaining += 60000*dir;
14294 DisplayBothClocks();
14297 /* Stop clocks and reset to a fresh time control */
14301 (void) StopClockTimer();
14302 if (appData.icsActive) {
14303 whiteTimeRemaining = blackTimeRemaining = 0;
14304 } else if (searchTime) {
14305 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14306 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14307 } else { /* [HGM] correct new time quote for time odds */
14308 whiteTC = blackTC = fullTimeControlString;
14309 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14310 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14312 if (whiteFlag || blackFlag) {
14314 whiteFlag = blackFlag = FALSE;
14316 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14317 DisplayBothClocks();
14320 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14322 /* Decrement running clock by amount of time that has passed */
14326 long timeRemaining;
14327 long lastTickLength, fudge;
14330 if (!appData.clockMode) return;
14331 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14335 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14337 /* Fudge if we woke up a little too soon */
14338 fudge = intendedTickLength - lastTickLength;
14339 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14341 if (WhiteOnMove(forwardMostMove)) {
14342 if(whiteNPS >= 0) lastTickLength = 0;
14343 timeRemaining = whiteTimeRemaining -= lastTickLength;
14344 if(timeRemaining < 0 && !appData.icsActive) {
14345 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14346 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14347 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14348 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14351 DisplayWhiteClock(whiteTimeRemaining - fudge,
14352 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14354 if(blackNPS >= 0) lastTickLength = 0;
14355 timeRemaining = blackTimeRemaining -= lastTickLength;
14356 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14357 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14359 blackStartMove = forwardMostMove;
14360 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14363 DisplayBlackClock(blackTimeRemaining - fudge,
14364 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14366 if (CheckFlags()) return;
14369 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14370 StartClockTimer(intendedTickLength);
14372 /* if the time remaining has fallen below the alarm threshold, sound the
14373 * alarm. if the alarm has sounded and (due to a takeback or time control
14374 * with increment) the time remaining has increased to a level above the
14375 * threshold, reset the alarm so it can sound again.
14378 if (appData.icsActive && appData.icsAlarm) {
14380 /* make sure we are dealing with the user's clock */
14381 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14382 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14385 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14386 alarmSounded = FALSE;
14387 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14389 alarmSounded = TRUE;
14395 /* A player has just moved, so stop the previously running
14396 clock and (if in clock mode) start the other one.
14397 We redisplay both clocks in case we're in ICS mode, because
14398 ICS gives us an update to both clocks after every move.
14399 Note that this routine is called *after* forwardMostMove
14400 is updated, so the last fractional tick must be subtracted
14401 from the color that is *not* on move now.
14404 SwitchClocks(int newMoveNr)
14406 long lastTickLength;
14408 int flagged = FALSE;
14412 if (StopClockTimer() && appData.clockMode) {
14413 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14414 if (!WhiteOnMove(forwardMostMove)) {
14415 if(blackNPS >= 0) lastTickLength = 0;
14416 blackTimeRemaining -= lastTickLength;
14417 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14418 // if(pvInfoList[forwardMostMove-1].time == -1)
14419 pvInfoList[forwardMostMove-1].time = // use GUI time
14420 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14422 if(whiteNPS >= 0) lastTickLength = 0;
14423 whiteTimeRemaining -= lastTickLength;
14424 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14425 // if(pvInfoList[forwardMostMove-1].time == -1)
14426 pvInfoList[forwardMostMove-1].time =
14427 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14429 flagged = CheckFlags();
14431 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14432 CheckTimeControl();
14434 if (flagged || !appData.clockMode) return;
14436 switch (gameMode) {
14437 case MachinePlaysBlack:
14438 case MachinePlaysWhite:
14439 case BeginningOfGame:
14440 if (pausing) return;
14444 case PlayFromGameFile:
14452 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14453 if(WhiteOnMove(forwardMostMove))
14454 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14455 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14459 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14460 whiteTimeRemaining : blackTimeRemaining);
14461 StartClockTimer(intendedTickLength);
14465 /* Stop both clocks */
14469 long lastTickLength;
14472 if (!StopClockTimer()) return;
14473 if (!appData.clockMode) return;
14477 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14478 if (WhiteOnMove(forwardMostMove)) {
14479 if(whiteNPS >= 0) lastTickLength = 0;
14480 whiteTimeRemaining -= lastTickLength;
14481 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14483 if(blackNPS >= 0) lastTickLength = 0;
14484 blackTimeRemaining -= lastTickLength;
14485 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14490 /* Start clock of player on move. Time may have been reset, so
14491 if clock is already running, stop and restart it. */
14495 (void) StopClockTimer(); /* in case it was running already */
14496 DisplayBothClocks();
14497 if (CheckFlags()) return;
14499 if (!appData.clockMode) return;
14500 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14502 GetTimeMark(&tickStartTM);
14503 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14504 whiteTimeRemaining : blackTimeRemaining);
14506 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14507 whiteNPS = blackNPS = -1;
14508 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14509 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14510 whiteNPS = first.nps;
14511 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14512 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14513 blackNPS = first.nps;
14514 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14515 whiteNPS = second.nps;
14516 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14517 blackNPS = second.nps;
14518 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14520 StartClockTimer(intendedTickLength);
14527 long second, minute, hour, day;
14529 static char buf[32];
14531 if (ms > 0 && ms <= 9900) {
14532 /* convert milliseconds to tenths, rounding up */
14533 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14535 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14539 /* convert milliseconds to seconds, rounding up */
14540 /* use floating point to avoid strangeness of integer division
14541 with negative dividends on many machines */
14542 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14549 day = second / (60 * 60 * 24);
14550 second = second % (60 * 60 * 24);
14551 hour = second / (60 * 60);
14552 second = second % (60 * 60);
14553 minute = second / 60;
14554 second = second % 60;
14557 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14558 sign, day, hour, minute, second);
14560 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14562 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14569 * This is necessary because some C libraries aren't ANSI C compliant yet.
14572 StrStr(string, match)
14573 char *string, *match;
14577 length = strlen(match);
14579 for (i = strlen(string) - length; i >= 0; i--, string++)
14580 if (!strncmp(match, string, length))
14587 StrCaseStr(string, match)
14588 char *string, *match;
14592 length = strlen(match);
14594 for (i = strlen(string) - length; i >= 0; i--, string++) {
14595 for (j = 0; j < length; j++) {
14596 if (ToLower(match[j]) != ToLower(string[j]))
14599 if (j == length) return string;
14613 c1 = ToLower(*s1++);
14614 c2 = ToLower(*s2++);
14615 if (c1 > c2) return 1;
14616 if (c1 < c2) return -1;
14617 if (c1 == NULLCHAR) return 0;
14626 return isupper(c) ? tolower(c) : c;
14634 return islower(c) ? toupper(c) : c;
14636 #endif /* !_amigados */
14644 if ((ret = (char *) malloc(strlen(s) + 1)))
14646 safeStrCpy(ret, s, strlen(s)+1);
14652 StrSavePtr(s, savePtr)
14653 char *s, **savePtr;
14658 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14659 safeStrCpy(*savePtr, s, strlen(s)+1);
14671 clock = time((time_t *)NULL);
14672 tm = localtime(&clock);
14673 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14674 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14675 return StrSave(buf);
14680 PositionToFEN(move, overrideCastling)
14682 char *overrideCastling;
14684 int i, j, fromX, fromY, toX, toY;
14691 whiteToPlay = (gameMode == EditPosition) ?
14692 !blackPlaysFirst : (move % 2 == 0);
14695 /* Piece placement data */
14696 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14698 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14699 if (boards[move][i][j] == EmptySquare) {
14701 } else { ChessSquare piece = boards[move][i][j];
14702 if (emptycount > 0) {
14703 if(emptycount<10) /* [HGM] can be >= 10 */
14704 *p++ = '0' + emptycount;
14705 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14708 if(PieceToChar(piece) == '+') {
14709 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14711 piece = (ChessSquare)(DEMOTED piece);
14713 *p++ = PieceToChar(piece);
14715 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14716 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14721 if (emptycount > 0) {
14722 if(emptycount<10) /* [HGM] can be >= 10 */
14723 *p++ = '0' + emptycount;
14724 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14731 /* [HGM] print Crazyhouse or Shogi holdings */
14732 if( gameInfo.holdingsWidth ) {
14733 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14735 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14736 piece = boards[move][i][BOARD_WIDTH-1];
14737 if( piece != EmptySquare )
14738 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14739 *p++ = PieceToChar(piece);
14741 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14742 piece = boards[move][BOARD_HEIGHT-i-1][0];
14743 if( piece != EmptySquare )
14744 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14745 *p++ = PieceToChar(piece);
14748 if( q == p ) *p++ = '-';
14754 *p++ = whiteToPlay ? 'w' : 'b';
14757 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14758 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14760 if(nrCastlingRights) {
14762 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14763 /* [HGM] write directly from rights */
14764 if(boards[move][CASTLING][2] != NoRights &&
14765 boards[move][CASTLING][0] != NoRights )
14766 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14767 if(boards[move][CASTLING][2] != NoRights &&
14768 boards[move][CASTLING][1] != NoRights )
14769 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14770 if(boards[move][CASTLING][5] != NoRights &&
14771 boards[move][CASTLING][3] != NoRights )
14772 *p++ = boards[move][CASTLING][3] + AAA;
14773 if(boards[move][CASTLING][5] != NoRights &&
14774 boards[move][CASTLING][4] != NoRights )
14775 *p++ = boards[move][CASTLING][4] + AAA;
14778 /* [HGM] write true castling rights */
14779 if( nrCastlingRights == 6 ) {
14780 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14781 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14782 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14783 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14784 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14785 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14786 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14787 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14790 if (q == p) *p++ = '-'; /* No castling rights */
14794 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14795 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14796 /* En passant target square */
14797 if (move > backwardMostMove) {
14798 fromX = moveList[move - 1][0] - AAA;
14799 fromY = moveList[move - 1][1] - ONE;
14800 toX = moveList[move - 1][2] - AAA;
14801 toY = moveList[move - 1][3] - ONE;
14802 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14803 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14804 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14806 /* 2-square pawn move just happened */
14808 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14812 } else if(move == backwardMostMove) {
14813 // [HGM] perhaps we should always do it like this, and forget the above?
14814 if((signed char)boards[move][EP_STATUS] >= 0) {
14815 *p++ = boards[move][EP_STATUS] + AAA;
14816 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14827 /* [HGM] find reversible plies */
14828 { int i = 0, j=move;
14830 if (appData.debugMode) { int k;
14831 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14832 for(k=backwardMostMove; k<=forwardMostMove; k++)
14833 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14837 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14838 if( j == backwardMostMove ) i += initialRulePlies;
14839 sprintf(p, "%d ", i);
14840 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14842 /* Fullmove number */
14843 sprintf(p, "%d", (move / 2) + 1);
14845 return StrSave(buf);
14849 ParseFEN(board, blackPlaysFirst, fen)
14851 int *blackPlaysFirst;
14861 /* [HGM] by default clear Crazyhouse holdings, if present */
14862 if(gameInfo.holdingsWidth) {
14863 for(i=0; i<BOARD_HEIGHT; i++) {
14864 board[i][0] = EmptySquare; /* black holdings */
14865 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14866 board[i][1] = (ChessSquare) 0; /* black counts */
14867 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14871 /* Piece placement data */
14872 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14875 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14876 if (*p == '/') p++;
14877 emptycount = gameInfo.boardWidth - j;
14878 while (emptycount--)
14879 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14881 #if(BOARD_FILES >= 10)
14882 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14883 p++; emptycount=10;
14884 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14885 while (emptycount--)
14886 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14888 } else if (isdigit(*p)) {
14889 emptycount = *p++ - '0';
14890 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14891 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14892 while (emptycount--)
14893 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14894 } else if (*p == '+' || isalpha(*p)) {
14895 if (j >= gameInfo.boardWidth) return FALSE;
14897 piece = CharToPiece(*++p);
14898 if(piece == EmptySquare) return FALSE; /* unknown piece */
14899 piece = (ChessSquare) (PROMOTED piece ); p++;
14900 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14901 } else piece = CharToPiece(*p++);
14903 if(piece==EmptySquare) return FALSE; /* unknown piece */
14904 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14905 piece = (ChessSquare) (PROMOTED piece);
14906 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14909 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14915 while (*p == '/' || *p == ' ') p++;
14917 /* [HGM] look for Crazyhouse holdings here */
14918 while(*p==' ') p++;
14919 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14921 if(*p == '-' ) p++; /* empty holdings */ else {
14922 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14923 /* if we would allow FEN reading to set board size, we would */
14924 /* have to add holdings and shift the board read so far here */
14925 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14927 if((int) piece >= (int) BlackPawn ) {
14928 i = (int)piece - (int)BlackPawn;
14929 i = PieceToNumber((ChessSquare)i);
14930 if( i >= gameInfo.holdingsSize ) return FALSE;
14931 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14932 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14934 i = (int)piece - (int)WhitePawn;
14935 i = PieceToNumber((ChessSquare)i);
14936 if( i >= gameInfo.holdingsSize ) return FALSE;
14937 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14938 board[i][BOARD_WIDTH-2]++; /* black holdings */
14945 while(*p == ' ') p++;
14949 if(appData.colorNickNames) {
14950 if( c == appData.colorNickNames[0] ) c = 'w'; else
14951 if( c == appData.colorNickNames[1] ) c = 'b';
14955 *blackPlaysFirst = FALSE;
14958 *blackPlaysFirst = TRUE;
14964 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14965 /* return the extra info in global variiables */
14967 /* set defaults in case FEN is incomplete */
14968 board[EP_STATUS] = EP_UNKNOWN;
14969 for(i=0; i<nrCastlingRights; i++ ) {
14970 board[CASTLING][i] =
14971 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14972 } /* assume possible unless obviously impossible */
14973 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14974 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14975 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14976 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14977 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14978 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14979 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14980 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14983 while(*p==' ') p++;
14984 if(nrCastlingRights) {
14985 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14986 /* castling indicator present, so default becomes no castlings */
14987 for(i=0; i<nrCastlingRights; i++ ) {
14988 board[CASTLING][i] = NoRights;
14991 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14992 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14993 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14994 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14995 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14997 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14998 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14999 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15001 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15002 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15003 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15004 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15005 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15006 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15009 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15010 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15011 board[CASTLING][2] = whiteKingFile;
15014 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15015 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15016 board[CASTLING][2] = whiteKingFile;
15019 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15020 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15021 board[CASTLING][5] = blackKingFile;
15024 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15025 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15026 board[CASTLING][5] = blackKingFile;
15029 default: /* FRC castlings */
15030 if(c >= 'a') { /* black rights */
15031 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15032 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15033 if(i == BOARD_RGHT) break;
15034 board[CASTLING][5] = i;
15036 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15037 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15039 board[CASTLING][3] = c;
15041 board[CASTLING][4] = c;
15042 } else { /* white rights */
15043 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15044 if(board[0][i] == WhiteKing) break;
15045 if(i == BOARD_RGHT) break;
15046 board[CASTLING][2] = i;
15047 c -= AAA - 'a' + 'A';
15048 if(board[0][c] >= WhiteKing) break;
15050 board[CASTLING][0] = c;
15052 board[CASTLING][1] = c;
15056 for(i=0; i<nrCastlingRights; i++)
15057 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15058 if (appData.debugMode) {
15059 fprintf(debugFP, "FEN castling rights:");
15060 for(i=0; i<nrCastlingRights; i++)
15061 fprintf(debugFP, " %d", board[CASTLING][i]);
15062 fprintf(debugFP, "\n");
15065 while(*p==' ') p++;
15068 /* read e.p. field in games that know e.p. capture */
15069 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15070 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15072 p++; board[EP_STATUS] = EP_NONE;
15074 char c = *p++ - AAA;
15076 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15077 if(*p >= '0' && *p <='9') p++;
15078 board[EP_STATUS] = c;
15083 if(sscanf(p, "%d", &i) == 1) {
15084 FENrulePlies = i; /* 50-move ply counter */
15085 /* (The move number is still ignored) */
15092 EditPositionPasteFEN(char *fen)
15095 Board initial_position;
15097 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15098 DisplayError(_("Bad FEN position in clipboard"), 0);
15101 int savedBlackPlaysFirst = blackPlaysFirst;
15102 EditPositionEvent();
15103 blackPlaysFirst = savedBlackPlaysFirst;
15104 CopyBoard(boards[0], initial_position);
15105 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15106 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15107 DisplayBothClocks();
15108 DrawPosition(FALSE, boards[currentMove]);
15113 static char cseq[12] = "\\ ";
15115 Boolean set_cont_sequence(char *new_seq)
15120 // handle bad attempts to set the sequence
15122 return 0; // acceptable error - no debug
15124 len = strlen(new_seq);
15125 ret = (len > 0) && (len < sizeof(cseq));
15127 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15128 else if (appData.debugMode)
15129 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15134 reformat a source message so words don't cross the width boundary. internal
15135 newlines are not removed. returns the wrapped size (no null character unless
15136 included in source message). If dest is NULL, only calculate the size required
15137 for the dest buffer. lp argument indicats line position upon entry, and it's
15138 passed back upon exit.
15140 int wrap(char *dest, char *src, int count, int width, int *lp)
15142 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15144 cseq_len = strlen(cseq);
15145 old_line = line = *lp;
15146 ansi = len = clen = 0;
15148 for (i=0; i < count; i++)
15150 if (src[i] == '\033')
15153 // if we hit the width, back up
15154 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15156 // store i & len in case the word is too long
15157 old_i = i, old_len = len;
15159 // find the end of the last word
15160 while (i && src[i] != ' ' && src[i] != '\n')
15166 // word too long? restore i & len before splitting it
15167 if ((old_i-i+clen) >= width)
15174 if (i && src[i-1] == ' ')
15177 if (src[i] != ' ' && src[i] != '\n')
15184 // now append the newline and continuation sequence
15189 strncpy(dest+len, cseq, cseq_len);
15197 dest[len] = src[i];
15201 if (src[i] == '\n')
15206 if (dest && appData.debugMode)
15208 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15209 count, width, line, len, *lp);
15210 show_bytes(debugFP, src, count);
15211 fprintf(debugFP, "\ndest: ");
15212 show_bytes(debugFP, dest, len);
15213 fprintf(debugFP, "\n");
15215 *lp = dest ? line : old_line;
15220 // [HGM] vari: routines for shelving variations
15223 PushTail(int firstMove, int lastMove)
15225 int i, j, nrMoves = lastMove - firstMove;
15227 if(appData.icsActive) { // only in local mode
15228 forwardMostMove = currentMove; // mimic old ICS behavior
15231 if(storedGames >= MAX_VARIATIONS-1) return;
15233 // push current tail of game on stack
15234 savedResult[storedGames] = gameInfo.result;
15235 savedDetails[storedGames] = gameInfo.resultDetails;
15236 gameInfo.resultDetails = NULL;
15237 savedFirst[storedGames] = firstMove;
15238 savedLast [storedGames] = lastMove;
15239 savedFramePtr[storedGames] = framePtr;
15240 framePtr -= nrMoves; // reserve space for the boards
15241 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15242 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15243 for(j=0; j<MOVE_LEN; j++)
15244 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15245 for(j=0; j<2*MOVE_LEN; j++)
15246 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15247 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15248 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15249 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15250 pvInfoList[firstMove+i-1].depth = 0;
15251 commentList[framePtr+i] = commentList[firstMove+i];
15252 commentList[firstMove+i] = NULL;
15256 forwardMostMove = firstMove; // truncate game so we can start variation
15257 if(storedGames == 1) GreyRevert(FALSE);
15261 PopTail(Boolean annotate)
15264 char buf[8000], moveBuf[20];
15266 if(appData.icsActive) return FALSE; // only in local mode
15267 if(!storedGames) return FALSE; // sanity
15268 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15271 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15272 nrMoves = savedLast[storedGames] - currentMove;
15275 if(!WhiteOnMove(currentMove))
15276 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15277 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15278 for(i=currentMove; i<forwardMostMove; i++) {
15280 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15281 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15282 strcat(buf, moveBuf);
15283 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15284 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15288 for(i=1; i<=nrMoves; i++) { // copy last variation back
15289 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15290 for(j=0; j<MOVE_LEN; j++)
15291 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15292 for(j=0; j<2*MOVE_LEN; j++)
15293 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15294 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15295 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15296 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15297 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15298 commentList[currentMove+i] = commentList[framePtr+i];
15299 commentList[framePtr+i] = NULL;
15301 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15302 framePtr = savedFramePtr[storedGames];
15303 gameInfo.result = savedResult[storedGames];
15304 if(gameInfo.resultDetails != NULL) {
15305 free(gameInfo.resultDetails);
15307 gameInfo.resultDetails = savedDetails[storedGames];
15308 forwardMostMove = currentMove + nrMoves;
15309 if(storedGames == 0) GreyRevert(TRUE);
15315 { // remove all shelved variations
15317 for(i=0; i<storedGames; i++) {
15318 if(savedDetails[i])
15319 free(savedDetails[i]);
15320 savedDetails[i] = NULL;
15322 for(i=framePtr; i<MAX_MOVES; i++) {
15323 if(commentList[i]) free(commentList[i]);
15324 commentList[i] = NULL;
15326 framePtr = MAX_MOVES-1;
15331 LoadVariation(int index, char *text)
15332 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15333 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15334 int level = 0, move;
15336 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15337 // first find outermost bracketing variation
15338 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15339 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15340 if(*p == '{') wait = '}'; else
15341 if(*p == '[') wait = ']'; else
15342 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15343 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15345 if(*p == wait) wait = NULLCHAR; // closing ]} found
15348 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15349 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15350 end[1] = NULLCHAR; // clip off comment beyond variation
15351 ToNrEvent(currentMove-1);
15352 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15353 // kludge: use ParsePV() to append variation to game
15354 move = currentMove;
15355 ParsePV(start, TRUE);
15356 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15357 ClearPremoveHighlights();
15359 ToNrEvent(currentMove+1);