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 if(autoQueen) { // predetermined
5725 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5726 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5727 else *promoChoice = PieceToChar(BlackQueen);
5731 // suppress promotion popup on illegal moves that are not premoves
5732 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5733 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5734 if(appData.testLegality && !premove) {
5735 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5736 fromY, fromX, toY, toX, NULLCHAR);
5737 if(moveType != WhitePromotion && moveType != BlackPromotion)
5745 InPalace(row, column)
5747 { /* [HGM] for Xiangqi */
5748 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5749 column < (BOARD_WIDTH + 4)/2 &&
5750 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5755 PieceForSquare (x, y)
5759 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5762 return boards[currentMove][y][x];
5766 OKToStartUserMove(x, y)
5769 ChessSquare from_piece;
5772 if (matchMode) return FALSE;
5773 if (gameMode == EditPosition) return TRUE;
5775 if (x >= 0 && y >= 0)
5776 from_piece = boards[currentMove][y][x];
5778 from_piece = EmptySquare;
5780 if (from_piece == EmptySquare) return FALSE;
5782 white_piece = (int)from_piece >= (int)WhitePawn &&
5783 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5786 case PlayFromGameFile:
5788 case TwoMachinesPlay:
5796 case MachinePlaysWhite:
5797 case IcsPlayingBlack:
5798 if (appData.zippyPlay) return FALSE;
5800 DisplayMoveError(_("You are playing Black"));
5805 case MachinePlaysBlack:
5806 case IcsPlayingWhite:
5807 if (appData.zippyPlay) return FALSE;
5809 DisplayMoveError(_("You are playing White"));
5815 if (!white_piece && WhiteOnMove(currentMove)) {
5816 DisplayMoveError(_("It is White's turn"));
5819 if (white_piece && !WhiteOnMove(currentMove)) {
5820 DisplayMoveError(_("It is Black's turn"));
5823 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5824 /* Editing correspondence game history */
5825 /* Could disallow this or prompt for confirmation */
5830 case BeginningOfGame:
5831 if (appData.icsActive) return FALSE;
5832 if (!appData.noChessProgram) {
5834 DisplayMoveError(_("You are playing White"));
5841 if (!white_piece && WhiteOnMove(currentMove)) {
5842 DisplayMoveError(_("It is White's turn"));
5845 if (white_piece && !WhiteOnMove(currentMove)) {
5846 DisplayMoveError(_("It is Black's turn"));
5855 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5856 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5857 && gameMode != AnalyzeFile && gameMode != Training) {
5858 DisplayMoveError(_("Displayed position is not current"));
5865 OnlyMove(int *x, int *y, Boolean captures) {
5866 DisambiguateClosure cl;
5867 if (appData.zippyPlay) return FALSE;
5869 case MachinePlaysBlack:
5870 case IcsPlayingWhite:
5871 case BeginningOfGame:
5872 if(!WhiteOnMove(currentMove)) return FALSE;
5874 case MachinePlaysWhite:
5875 case IcsPlayingBlack:
5876 if(WhiteOnMove(currentMove)) return FALSE;
5883 cl.pieceIn = EmptySquare;
5888 cl.promoCharIn = NULLCHAR;
5889 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5890 if( cl.kind == NormalMove ||
5891 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5892 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5893 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5900 if(cl.kind != ImpossibleMove) return FALSE;
5901 cl.pieceIn = EmptySquare;
5906 cl.promoCharIn = NULLCHAR;
5907 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5908 if( cl.kind == NormalMove ||
5909 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5910 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5911 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5916 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5922 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5923 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5924 int lastLoadGameUseList = FALSE;
5925 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5926 ChessMove lastLoadGameStart = EndOfFile;
5929 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5930 int fromX, fromY, toX, toY;
5934 ChessSquare pdown, pup;
5936 /* Check if the user is playing in turn. This is complicated because we
5937 let the user "pick up" a piece before it is his turn. So the piece he
5938 tried to pick up may have been captured by the time he puts it down!
5939 Therefore we use the color the user is supposed to be playing in this
5940 test, not the color of the piece that is currently on the starting
5941 square---except in EditGame mode, where the user is playing both
5942 sides; fortunately there the capture race can't happen. (It can
5943 now happen in IcsExamining mode, but that's just too bad. The user
5944 will get a somewhat confusing message in that case.)
5948 case PlayFromGameFile:
5950 case TwoMachinesPlay:
5954 /* We switched into a game mode where moves are not accepted,
5955 perhaps while the mouse button was down. */
5958 case MachinePlaysWhite:
5959 /* User is moving for Black */
5960 if (WhiteOnMove(currentMove)) {
5961 DisplayMoveError(_("It is White's turn"));
5966 case MachinePlaysBlack:
5967 /* User is moving for White */
5968 if (!WhiteOnMove(currentMove)) {
5969 DisplayMoveError(_("It is Black's turn"));
5976 case BeginningOfGame:
5979 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5980 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5981 /* User is moving for Black */
5982 if (WhiteOnMove(currentMove)) {
5983 DisplayMoveError(_("It is White's turn"));
5987 /* User is moving for White */
5988 if (!WhiteOnMove(currentMove)) {
5989 DisplayMoveError(_("It is Black's turn"));
5995 case IcsPlayingBlack:
5996 /* User is moving for Black */
5997 if (WhiteOnMove(currentMove)) {
5998 if (!appData.premove) {
5999 DisplayMoveError(_("It is White's turn"));
6000 } else if (toX >= 0 && toY >= 0) {
6003 premoveFromX = fromX;
6004 premoveFromY = fromY;
6005 premovePromoChar = promoChar;
6007 if (appData.debugMode)
6008 fprintf(debugFP, "Got premove: fromX %d,"
6009 "fromY %d, toX %d, toY %d\n",
6010 fromX, fromY, toX, toY);
6016 case IcsPlayingWhite:
6017 /* User is moving for White */
6018 if (!WhiteOnMove(currentMove)) {
6019 if (!appData.premove) {
6020 DisplayMoveError(_("It is Black's turn"));
6021 } else if (toX >= 0 && toY >= 0) {
6024 premoveFromX = fromX;
6025 premoveFromY = fromY;
6026 premovePromoChar = promoChar;
6028 if (appData.debugMode)
6029 fprintf(debugFP, "Got premove: fromX %d,"
6030 "fromY %d, toX %d, toY %d\n",
6031 fromX, fromY, toX, toY);
6041 /* EditPosition, empty square, or different color piece;
6042 click-click move is possible */
6043 if (toX == -2 || toY == -2) {
6044 boards[0][fromY][fromX] = EmptySquare;
6045 DrawPosition(FALSE, boards[currentMove]);
6047 } else if (toX >= 0 && toY >= 0) {
6048 boards[0][toY][toX] = boards[0][fromY][fromX];
6049 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6050 if(boards[0][fromY][0] != EmptySquare) {
6051 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6052 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6055 if(fromX == BOARD_RGHT+1) {
6056 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6057 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6058 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6061 boards[0][fromY][fromX] = EmptySquare;
6062 DrawPosition(FALSE, boards[currentMove]);
6068 if(toX < 0 || toY < 0) return;
6069 pdown = boards[currentMove][fromY][fromX];
6070 pup = boards[currentMove][toY][toX];
6072 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6073 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6074 if( pup != EmptySquare ) return;
6075 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6076 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6077 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6078 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6079 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6080 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6081 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6085 /* [HGM] always test for legality, to get promotion info */
6086 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6087 fromY, fromX, toY, toX, promoChar);
6088 /* [HGM] but possibly ignore an IllegalMove result */
6089 if (appData.testLegality) {
6090 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6091 DisplayMoveError(_("Illegal move"));
6096 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6099 /* Common tail of UserMoveEvent and DropMenuEvent */
6101 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6103 int fromX, fromY, toX, toY;
6104 /*char*/int promoChar;
6108 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6109 // [HGM] superchess: suppress promotions to non-available piece
6110 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6111 if(WhiteOnMove(currentMove)) {
6112 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6114 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6118 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6119 move type in caller when we know the move is a legal promotion */
6120 if(moveType == NormalMove && promoChar)
6121 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6123 /* [HGM] <popupFix> The following if has been moved here from
6124 UserMoveEvent(). Because it seemed to belong here (why not allow
6125 piece drops in training games?), and because it can only be
6126 performed after it is known to what we promote. */
6127 if (gameMode == Training) {
6128 /* compare the move played on the board to the next move in the
6129 * game. If they match, display the move and the opponent's response.
6130 * If they don't match, display an error message.
6134 CopyBoard(testBoard, boards[currentMove]);
6135 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6137 if (CompareBoards(testBoard, boards[currentMove+1])) {
6138 ForwardInner(currentMove+1);
6140 /* Autoplay the opponent's response.
6141 * if appData.animate was TRUE when Training mode was entered,
6142 * the response will be animated.
6144 saveAnimate = appData.animate;
6145 appData.animate = animateTraining;
6146 ForwardInner(currentMove+1);
6147 appData.animate = saveAnimate;
6149 /* check for the end of the game */
6150 if (currentMove >= forwardMostMove) {
6151 gameMode = PlayFromGameFile;
6153 SetTrainingModeOff();
6154 DisplayInformation(_("End of game"));
6157 DisplayError(_("Incorrect move"), 0);
6162 /* Ok, now we know that the move is good, so we can kill
6163 the previous line in Analysis Mode */
6164 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6165 && currentMove < forwardMostMove) {
6166 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6167 else forwardMostMove = currentMove;
6170 /* If we need the chess program but it's dead, restart it */
6171 ResurrectChessProgram();
6173 /* A user move restarts a paused game*/
6177 thinkOutput[0] = NULLCHAR;
6179 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6181 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6183 if (gameMode == BeginningOfGame) {
6184 if (appData.noChessProgram) {
6185 gameMode = EditGame;
6189 gameMode = MachinePlaysBlack;
6192 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6194 if (first.sendName) {
6195 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6196 SendToProgram(buf, &first);
6203 /* Relay move to ICS or chess engine */
6204 if (appData.icsActive) {
6205 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6206 gameMode == IcsExamining) {
6207 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6208 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6210 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6212 // also send plain move, in case ICS does not understand atomic claims
6213 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6217 if (first.sendTime && (gameMode == BeginningOfGame ||
6218 gameMode == MachinePlaysWhite ||
6219 gameMode == MachinePlaysBlack)) {
6220 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6222 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6223 // [HGM] book: if program might be playing, let it use book
6224 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6225 first.maybeThinking = TRUE;
6226 } else SendMoveToProgram(forwardMostMove-1, &first);
6227 if (currentMove == cmailOldMove + 1) {
6228 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6232 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6236 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6242 if (WhiteOnMove(currentMove)) {
6243 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6245 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6249 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6254 case MachinePlaysBlack:
6255 case MachinePlaysWhite:
6256 /* disable certain menu options while machine is thinking */
6257 SetMachineThinkingEnables();
6264 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6266 if(bookHit) { // [HGM] book: simulate book reply
6267 static char bookMove[MSG_SIZ]; // a bit generous?
6269 programStats.nodes = programStats.depth = programStats.time =
6270 programStats.score = programStats.got_only_move = 0;
6271 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6273 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6274 strcat(bookMove, bookHit);
6275 HandleMachineMove(bookMove, &first);
6281 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6288 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6289 Markers *m = (Markers *) closure;
6290 if(rf == fromY && ff == fromX)
6291 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6292 || kind == WhiteCapturesEnPassant
6293 || kind == BlackCapturesEnPassant);
6294 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6298 MarkTargetSquares(int clear)
6301 if(!appData.markers || !appData.highlightDragging ||
6302 !appData.testLegality || gameMode == EditPosition) return;
6304 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6307 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6308 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6309 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6311 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6314 DrawPosition(TRUE, NULL);
6317 void LeftClick(ClickType clickType, int xPix, int yPix)
6320 Boolean saveAnimate;
6321 static int second = 0, promotionChoice = 0, dragging = 0;
6322 char promoChoice = NULLCHAR;
6324 if(appData.seekGraph && appData.icsActive && loggedOn &&
6325 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6326 SeekGraphClick(clickType, xPix, yPix, 0);
6330 if (clickType == Press) ErrorPopDown();
6331 MarkTargetSquares(1);
6333 x = EventToSquare(xPix, BOARD_WIDTH);
6334 y = EventToSquare(yPix, BOARD_HEIGHT);
6335 if (!flipView && y >= 0) {
6336 y = BOARD_HEIGHT - 1 - y;
6338 if (flipView && x >= 0) {
6339 x = BOARD_WIDTH - 1 - x;
6342 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6343 if(clickType == Release) return; // ignore upclick of click-click destination
6344 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6345 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6346 if(gameInfo.holdingsWidth &&
6347 (WhiteOnMove(currentMove)
6348 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6349 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6350 // click in right holdings, for determining promotion piece
6351 ChessSquare p = boards[currentMove][y][x];
6352 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6353 if(p != EmptySquare) {
6354 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6359 DrawPosition(FALSE, boards[currentMove]);
6363 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6364 if(clickType == Press
6365 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6366 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6367 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6370 autoQueen = appData.alwaysPromoteToQueen;
6373 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6374 if (clickType == Press) {
6376 if (OKToStartUserMove(x, y)) {
6380 MarkTargetSquares(0);
6381 DragPieceBegin(xPix, yPix); dragging = 1;
6382 if (appData.highlightDragging) {
6383 SetHighlights(x, y, -1, -1);
6386 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6387 DragPieceEnd(xPix, yPix); dragging = 0;
6388 DrawPosition(FALSE, NULL);
6395 if (clickType == Press && gameMode != EditPosition) {
6400 // ignore off-board to clicks
6401 if(y < 0 || x < 0) return;
6403 /* Check if clicking again on the same color piece */
6404 fromP = boards[currentMove][fromY][fromX];
6405 toP = boards[currentMove][y][x];
6406 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6407 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6408 WhitePawn <= toP && toP <= WhiteKing &&
6409 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6410 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6411 (BlackPawn <= fromP && fromP <= BlackKing &&
6412 BlackPawn <= toP && toP <= BlackKing &&
6413 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6414 !(fromP == BlackKing && toP == BlackRook && frc))) {
6415 /* Clicked again on same color piece -- changed his mind */
6416 second = (x == fromX && y == fromY);
6417 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6418 if (appData.highlightDragging) {
6419 SetHighlights(x, y, -1, -1);
6423 if (OKToStartUserMove(x, y)) {
6425 fromY = y; dragging = 1;
6426 MarkTargetSquares(0);
6427 DragPieceBegin(xPix, yPix);
6432 // ignore clicks on holdings
6433 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6436 if (clickType == Release && x == fromX && y == fromY) {
6437 DragPieceEnd(xPix, yPix); dragging = 0;
6438 if (appData.animateDragging) {
6439 /* Undo animation damage if any */
6440 DrawPosition(FALSE, NULL);
6443 /* Second up/down in same square; just abort move */
6448 ClearPremoveHighlights();
6450 /* First upclick in same square; start click-click mode */
6451 SetHighlights(x, y, -1, -1);
6456 /* we now have a different from- and (possibly off-board) to-square */
6457 /* Completed move */
6460 saveAnimate = appData.animate;
6461 if (clickType == Press) {
6462 /* Finish clickclick move */
6463 if (appData.animate || appData.highlightLastMove) {
6464 SetHighlights(fromX, fromY, toX, toY);
6469 /* Finish drag move */
6470 if (appData.highlightLastMove) {
6471 SetHighlights(fromX, fromY, toX, toY);
6475 DragPieceEnd(xPix, yPix); dragging = 0;
6476 /* Don't animate move and drag both */
6477 appData.animate = FALSE;
6480 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6481 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6482 ChessSquare piece = boards[currentMove][fromY][fromX];
6483 if(gameMode == EditPosition && piece != EmptySquare &&
6484 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6487 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6488 n = PieceToNumber(piece - (int)BlackPawn);
6489 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6490 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6491 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6493 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6494 n = PieceToNumber(piece);
6495 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6496 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6497 boards[currentMove][n][BOARD_WIDTH-2]++;
6499 boards[currentMove][fromY][fromX] = EmptySquare;
6503 DrawPosition(TRUE, boards[currentMove]);
6507 // off-board moves should not be highlighted
6508 if(x < 0 || x < 0) ClearHighlights();
6510 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6511 SetHighlights(fromX, fromY, toX, toY);
6512 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6513 // [HGM] super: promotion to captured piece selected from holdings
6514 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6515 promotionChoice = TRUE;
6516 // kludge follows to temporarily execute move on display, without promoting yet
6517 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6518 boards[currentMove][toY][toX] = p;
6519 DrawPosition(FALSE, boards[currentMove]);
6520 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6521 boards[currentMove][toY][toX] = q;
6522 DisplayMessage("Click in holdings to choose piece", "");
6527 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6528 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6529 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6532 appData.animate = saveAnimate;
6533 if (appData.animate || appData.animateDragging) {
6534 /* Undo animation damage if needed */
6535 DrawPosition(FALSE, NULL);
6539 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6540 { // front-end-free part taken out of PieceMenuPopup
6541 int whichMenu; int xSqr, ySqr;
6543 if(seekGraphUp) { // [HGM] seekgraph
6544 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6545 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6549 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6550 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6551 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6552 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6553 if(action == Press) {
6554 originalFlip = flipView;
6555 flipView = !flipView; // temporarily flip board to see game from partners perspective
6556 DrawPosition(TRUE, partnerBoard);
6557 DisplayMessage(partnerStatus, "");
6559 } else if(action == Release) {
6560 flipView = originalFlip;
6561 DrawPosition(TRUE, boards[currentMove]);
6567 xSqr = EventToSquare(x, BOARD_WIDTH);
6568 ySqr = EventToSquare(y, BOARD_HEIGHT);
6569 if (action == Release) UnLoadPV(); // [HGM] pv
6570 if (action != Press) return -2; // return code to be ignored
6573 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6575 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6576 if (xSqr < 0 || ySqr < 0) return -1;
\r
6577 whichMenu = 0; // edit-position menu
6580 if(!appData.icsEngineAnalyze) return -1;
6581 case IcsPlayingWhite:
6582 case IcsPlayingBlack:
6583 if(!appData.zippyPlay) goto noZip;
6586 case MachinePlaysWhite:
6587 case MachinePlaysBlack:
6588 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6589 if (!appData.dropMenu) {
6591 return 2; // flag front-end to grab mouse events
6593 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6594 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6597 if (xSqr < 0 || ySqr < 0) return -1;
6598 if (!appData.dropMenu || appData.testLegality &&
6599 gameInfo.variant != VariantBughouse &&
6600 gameInfo.variant != VariantCrazyhouse) return -1;
6601 whichMenu = 1; // drop menu
6607 if (((*fromX = xSqr) < 0) ||
6608 ((*fromY = ySqr) < 0)) {
6609 *fromX = *fromY = -1;
6613 *fromX = BOARD_WIDTH - 1 - *fromX;
6615 *fromY = BOARD_HEIGHT - 1 - *fromY;
6620 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6622 // char * hint = lastHint;
6623 FrontEndProgramStats stats;
6625 stats.which = cps == &first ? 0 : 1;
6626 stats.depth = cpstats->depth;
6627 stats.nodes = cpstats->nodes;
6628 stats.score = cpstats->score;
6629 stats.time = cpstats->time;
6630 stats.pv = cpstats->movelist;
6631 stats.hint = lastHint;
6632 stats.an_move_index = 0;
6633 stats.an_move_count = 0;
6635 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6636 stats.hint = cpstats->move_name;
6637 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6638 stats.an_move_count = cpstats->nr_moves;
6641 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
6643 SetProgramStats( &stats );
6647 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6648 { // count all piece types
6650 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6651 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6652 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6655 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6656 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6657 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6658 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6659 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6660 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6665 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6667 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6668 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6670 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6671 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6672 if(myPawns == 2 && nMine == 3) // KPP
6673 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6674 if(myPawns == 1 && nMine == 2) // KP
6675 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6676 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6677 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6678 if(myPawns) return FALSE;
6679 if(pCnt[WhiteRook+side])
6680 return pCnt[BlackRook-side] ||
6681 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6682 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6683 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6684 if(pCnt[WhiteCannon+side]) {
6685 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6686 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6688 if(pCnt[WhiteKnight+side])
6689 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6694 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6696 VariantClass v = gameInfo.variant;
6698 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6699 if(v == VariantShatranj) return TRUE; // always winnable through baring
6700 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6701 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6703 if(v == VariantXiangqi) {
6704 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6706 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6707 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6708 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6709 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6710 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6711 if(stale) // we have at least one last-rank P plus perhaps C
6712 return majors // KPKX
6713 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6715 return pCnt[WhiteFerz+side] // KCAK
6716 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6717 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6718 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6720 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6721 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6723 if(nMine == 1) return FALSE; // bare King
6724 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
6725 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6726 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6727 // by now we have King + 1 piece (or multiple Bishops on the same color)
6728 if(pCnt[WhiteKnight+side])
6729 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6730 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6731 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6733 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6734 if(pCnt[WhiteAlfil+side])
6735 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6736 if(pCnt[WhiteWazir+side])
6737 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6744 Adjudicate(ChessProgramState *cps)
6745 { // [HGM] some adjudications useful with buggy engines
6746 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6747 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6748 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6749 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6750 int k, count = 0; static int bare = 1;
6751 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6752 Boolean canAdjudicate = !appData.icsActive;
6754 // most tests only when we understand the game, i.e. legality-checking on
6755 if( appData.testLegality )
6756 { /* [HGM] Some more adjudications for obstinate engines */
6757 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6758 static int moveCount = 6;
6760 char *reason = NULL;
6762 /* Count what is on board. */
6763 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6765 /* Some material-based adjudications that have to be made before stalemate test */
6766 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6767 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6768 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6769 if(canAdjudicate && appData.checkMates) {
6771 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6772 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6773 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6774 "Xboard adjudication: King destroyed", GE_XBOARD );
6779 /* Bare King in Shatranj (loses) or Losers (wins) */
6780 if( nrW == 1 || nrB == 1) {
6781 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6782 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6783 if(canAdjudicate && appData.checkMates) {
6785 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6786 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6787 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6788 "Xboard adjudication: Bare king", GE_XBOARD );
6792 if( gameInfo.variant == VariantShatranj && --bare < 0)
6794 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6795 if(canAdjudicate && appData.checkMates) {
6796 /* but only adjudicate if adjudication enabled */
6798 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6799 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6800 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6801 "Xboard adjudication: Bare king", GE_XBOARD );
6808 // don't wait for engine to announce game end if we can judge ourselves
6809 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6811 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6812 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6813 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6814 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6817 reason = "Xboard adjudication: 3rd check";
6818 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6828 reason = "Xboard adjudication: Stalemate";
6829 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6830 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6831 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6832 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6833 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6834 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6835 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6836 EP_CHECKMATE : EP_WINS);
6837 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6838 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6842 reason = "Xboard adjudication: Checkmate";
6843 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6847 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6849 result = GameIsDrawn; break;
6851 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6853 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6857 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6859 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6860 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6861 GameEnds( result, reason, GE_XBOARD );
6865 /* Next absolutely insufficient mating material. */
6866 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6867 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6868 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6870 /* always flag draws, for judging claims */
6871 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6873 if(canAdjudicate && appData.materialDraws) {
6874 /* but only adjudicate them if adjudication enabled */
6875 if(engineOpponent) {
6876 SendToProgram("force\n", engineOpponent); // suppress reply
6877 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6879 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6880 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6885 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6886 if(gameInfo.variant == VariantXiangqi ?
6887 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6889 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6890 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6891 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6892 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6894 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6895 { /* if the first 3 moves do not show a tactical win, declare draw */
6896 if(engineOpponent) {
6897 SendToProgram("force\n", engineOpponent); // suppress reply
6898 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6900 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6901 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6904 } else moveCount = 6;
6906 if (appData.debugMode) { int i;
6907 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6908 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6909 appData.drawRepeats);
6910 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6911 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6915 // Repetition draws and 50-move rule can be applied independently of legality testing
6917 /* Check for rep-draws */
6919 for(k = forwardMostMove-2;
6920 k>=backwardMostMove && k>=forwardMostMove-100 &&
6921 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6922 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6925 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6926 /* compare castling rights */
6927 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6928 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6929 rights++; /* King lost rights, while rook still had them */
6930 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6931 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6932 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6933 rights++; /* but at least one rook lost them */
6935 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6936 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6938 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6939 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6940 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6943 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6944 && appData.drawRepeats > 1) {
6945 /* adjudicate after user-specified nr of repeats */
6946 int result = GameIsDrawn;
6947 char *details = "XBoard adjudication: repetition draw";
6948 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6949 // [HGM] xiangqi: check for forbidden perpetuals
6950 int m, ourPerpetual = 1, hisPerpetual = 1;
6951 for(m=forwardMostMove; m>k; m-=2) {
6952 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6953 ourPerpetual = 0; // the current mover did not always check
6954 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6955 hisPerpetual = 0; // the opponent did not always check
6957 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6958 ourPerpetual, hisPerpetual);
6959 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6960 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6961 details = "Xboard adjudication: perpetual checking";
6963 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6964 break; // (or we would have caught him before). Abort repetition-checking loop.
6966 // Now check for perpetual chases
6967 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6968 hisPerpetual = PerpetualChase(k, forwardMostMove);
6969 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6970 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6971 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6972 details = "Xboard adjudication: perpetual chasing";
6974 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6975 break; // Abort repetition-checking loop.
6977 // if neither of us is checking or chasing all the time, or both are, it is draw
6979 if(engineOpponent) {
6980 SendToProgram("force\n", engineOpponent); // suppress reply
6981 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6983 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6984 GameEnds( result, details, GE_XBOARD );
6987 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6988 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6992 /* Now we test for 50-move draws. Determine ply count */
6993 count = forwardMostMove;
6994 /* look for last irreversble move */
6995 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6997 /* if we hit starting position, add initial plies */
6998 if( count == backwardMostMove )
6999 count -= initialRulePlies;
7000 count = forwardMostMove - count;
7001 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7002 // adjust reversible move counter for checks in Xiangqi
7003 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7004 if(i < backwardMostMove) i = backwardMostMove;
7005 while(i <= forwardMostMove) {
7006 lastCheck = inCheck; // check evasion does not count
7007 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7008 if(inCheck || lastCheck) count--; // check does not count
7013 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7014 /* this is used to judge if draw claims are legal */
7015 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7016 if(engineOpponent) {
7017 SendToProgram("force\n", engineOpponent); // suppress reply
7018 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7020 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7021 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7025 /* if draw offer is pending, treat it as a draw claim
7026 * when draw condition present, to allow engines a way to
7027 * claim draws before making their move to avoid a race
7028 * condition occurring after their move
7030 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7032 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7033 p = "Draw claim: 50-move rule";
7034 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7035 p = "Draw claim: 3-fold repetition";
7036 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7037 p = "Draw claim: insufficient mating material";
7038 if( p != NULL && canAdjudicate) {
7039 if(engineOpponent) {
7040 SendToProgram("force\n", engineOpponent); // suppress reply
7041 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7043 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7044 GameEnds( GameIsDrawn, p, GE_XBOARD );
7049 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7050 if(engineOpponent) {
7051 SendToProgram("force\n", engineOpponent); // suppress reply
7052 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7054 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7055 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7061 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7062 { // [HGM] book: this routine intercepts moves to simulate book replies
7063 char *bookHit = NULL;
7065 //first determine if the incoming move brings opponent into his book
7066 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7067 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7068 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7069 if(bookHit != NULL && !cps->bookSuspend) {
7070 // make sure opponent is not going to reply after receiving move to book position
7071 SendToProgram("force\n", cps);
7072 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7074 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7075 // now arrange restart after book miss
7077 // after a book hit we never send 'go', and the code after the call to this routine
7078 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7080 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7081 SendToProgram(buf, cps);
7082 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7083 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7084 SendToProgram("go\n", cps);
7085 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7086 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7087 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7088 SendToProgram("go\n", cps);
7089 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7091 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7095 ChessProgramState *savedState;
7096 void DeferredBookMove(void)
7098 if(savedState->lastPing != savedState->lastPong)
7099 ScheduleDelayedEvent(DeferredBookMove, 10);
7101 HandleMachineMove(savedMessage, savedState);
7105 HandleMachineMove(message, cps)
7107 ChessProgramState *cps;
7109 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7110 char realname[MSG_SIZ];
7111 int fromX, fromY, toX, toY;
7120 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7122 * Kludge to ignore BEL characters
7124 while (*message == '\007') message++;
7127 * [HGM] engine debug message: ignore lines starting with '#' character
7129 if(cps->debug && *message == '#') return;
7132 * Look for book output
7134 if (cps == &first && bookRequested) {
7135 if (message[0] == '\t' || message[0] == ' ') {
7136 /* Part of the book output is here; append it */
7137 strcat(bookOutput, message);
7138 strcat(bookOutput, " \n");
7140 } else if (bookOutput[0] != NULLCHAR) {
7141 /* All of book output has arrived; display it */
7142 char *p = bookOutput;
7143 while (*p != NULLCHAR) {
7144 if (*p == '\t') *p = ' ';
7147 DisplayInformation(bookOutput);
7148 bookRequested = FALSE;
7149 /* Fall through to parse the current output */
7154 * Look for machine move.
7156 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7157 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7159 /* This method is only useful on engines that support ping */
7160 if (cps->lastPing != cps->lastPong) {
7161 if (gameMode == BeginningOfGame) {
7162 /* Extra move from before last new; ignore */
7163 if (appData.debugMode) {
7164 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7167 if (appData.debugMode) {
7168 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7169 cps->which, gameMode);
7172 SendToProgram("undo\n", cps);
7178 case BeginningOfGame:
7179 /* Extra move from before last reset; ignore */
7180 if (appData.debugMode) {
7181 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7188 /* Extra move after we tried to stop. The mode test is
7189 not a reliable way of detecting this problem, but it's
7190 the best we can do on engines that don't support ping.
7192 if (appData.debugMode) {
7193 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7194 cps->which, gameMode);
7196 SendToProgram("undo\n", cps);
7199 case MachinePlaysWhite:
7200 case IcsPlayingWhite:
7201 machineWhite = TRUE;
7204 case MachinePlaysBlack:
7205 case IcsPlayingBlack:
7206 machineWhite = FALSE;
7209 case TwoMachinesPlay:
7210 machineWhite = (cps->twoMachinesColor[0] == 'w');
7213 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7214 if (appData.debugMode) {
7216 "Ignoring move out of turn by %s, gameMode %d"
7217 ", forwardMost %d\n",
7218 cps->which, gameMode, forwardMostMove);
7223 if (appData.debugMode) { int f = forwardMostMove;
7224 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7225 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7226 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7228 if(cps->alphaRank) AlphaRank(machineMove, 4);
7229 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7230 &fromX, &fromY, &toX, &toY, &promoChar)) {
7231 /* Machine move could not be parsed; ignore it. */
7232 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7233 machineMove, cps->which);
7234 DisplayError(buf1, 0);
7235 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7236 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7237 if (gameMode == TwoMachinesPlay) {
7238 GameEnds(machineWhite ? BlackWins : WhiteWins,
7244 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7245 /* So we have to redo legality test with true e.p. status here, */
7246 /* to make sure an illegal e.p. capture does not slip through, */
7247 /* to cause a forfeit on a justified illegal-move complaint */
7248 /* of the opponent. */
7249 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7251 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7252 fromY, fromX, toY, toX, promoChar);
7253 if (appData.debugMode) {
7255 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7256 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7257 fprintf(debugFP, "castling rights\n");
7259 if(moveType == IllegalMove) {
7260 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7261 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7262 GameEnds(machineWhite ? BlackWins : WhiteWins,
7265 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7266 /* [HGM] Kludge to handle engines that send FRC-style castling
7267 when they shouldn't (like TSCP-Gothic) */
7269 case WhiteASideCastleFR:
7270 case BlackASideCastleFR:
7272 currentMoveString[2]++;
7274 case WhiteHSideCastleFR:
7275 case BlackHSideCastleFR:
7277 currentMoveString[2]--;
7279 default: ; // nothing to do, but suppresses warning of pedantic compilers
7282 hintRequested = FALSE;
7283 lastHint[0] = NULLCHAR;
7284 bookRequested = FALSE;
7285 /* Program may be pondering now */
7286 cps->maybeThinking = TRUE;
7287 if (cps->sendTime == 2) cps->sendTime = 1;
7288 if (cps->offeredDraw) cps->offeredDraw--;
7290 /* currentMoveString is set as a side-effect of ParseOneMove */
7291 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7292 strcat(machineMove, "\n");
7293 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7295 /* [AS] Save move info*/
7296 pvInfoList[ forwardMostMove ].score = programStats.score;
7297 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7298 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7300 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7302 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7303 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7306 while( count < adjudicateLossPlies ) {
7307 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7310 score = -score; /* Flip score for winning side */
7313 if( score > adjudicateLossThreshold ) {
7320 if( count >= adjudicateLossPlies ) {
7321 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7323 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7324 "Xboard adjudication",
7331 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7334 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7336 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7337 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7339 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7341 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7343 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7344 char buf[3*MSG_SIZ];
7346 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7347 programStats.score / 100.,
7349 programStats.time / 100.,
7350 (unsigned int)programStats.nodes,
7351 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7352 programStats.movelist);
7354 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7359 /* [AS] Clear stats for next move */
7360 ClearProgramStats();
7361 thinkOutput[0] = NULLCHAR;
7362 hiddenThinkOutputState = 0;
7365 if (gameMode == TwoMachinesPlay) {
7366 /* [HGM] relaying draw offers moved to after reception of move */
7367 /* and interpreting offer as claim if it brings draw condition */
7368 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7369 SendToProgram("draw\n", cps->other);
7371 if (cps->other->sendTime) {
7372 SendTimeRemaining(cps->other,
7373 cps->other->twoMachinesColor[0] == 'w');
7375 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7376 if (firstMove && !bookHit) {
7378 if (cps->other->useColors) {
7379 SendToProgram(cps->other->twoMachinesColor, cps->other);
7381 SendToProgram("go\n", cps->other);
7383 cps->other->maybeThinking = TRUE;
7386 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7388 if (!pausing && appData.ringBellAfterMoves) {
7393 * Reenable menu items that were disabled while
7394 * machine was thinking
7396 if (gameMode != TwoMachinesPlay)
7397 SetUserThinkingEnables();
7399 // [HGM] book: after book hit opponent has received move and is now in force mode
7400 // force the book reply into it, and then fake that it outputted this move by jumping
7401 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7403 static char bookMove[MSG_SIZ]; // a bit generous?
7405 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7406 strcat(bookMove, bookHit);
7409 programStats.nodes = programStats.depth = programStats.time =
7410 programStats.score = programStats.got_only_move = 0;
7411 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7413 if(cps->lastPing != cps->lastPong) {
7414 savedMessage = message; // args for deferred call
7416 ScheduleDelayedEvent(DeferredBookMove, 10);
7425 /* Set special modes for chess engines. Later something general
7426 * could be added here; for now there is just one kludge feature,
7427 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7428 * when "xboard" is given as an interactive command.
7430 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7431 cps->useSigint = FALSE;
7432 cps->useSigterm = FALSE;
7434 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7435 ParseFeatures(message+8, cps);
7436 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7439 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7440 * want this, I was asked to put it in, and obliged.
7442 if (!strncmp(message, "setboard ", 9)) {
7443 Board initial_position;
7445 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7447 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7448 DisplayError(_("Bad FEN received from engine"), 0);
7452 CopyBoard(boards[0], initial_position);
7453 initialRulePlies = FENrulePlies;
7454 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7455 else gameMode = MachinePlaysBlack;
7456 DrawPosition(FALSE, boards[currentMove]);
7462 * Look for communication commands
7464 if (!strncmp(message, "telluser ", 9)) {
7465 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7466 DisplayNote(message + 9);
7469 if (!strncmp(message, "tellusererror ", 14)) {
7471 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7472 DisplayError(message + 14, 0);
7475 if (!strncmp(message, "tellopponent ", 13)) {
7476 if (appData.icsActive) {
7478 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7482 DisplayNote(message + 13);
7486 if (!strncmp(message, "tellothers ", 11)) {
7487 if (appData.icsActive) {
7489 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7495 if (!strncmp(message, "tellall ", 8)) {
7496 if (appData.icsActive) {
7498 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7502 DisplayNote(message + 8);
7506 if (strncmp(message, "warning", 7) == 0) {
7507 /* Undocumented feature, use tellusererror in new code */
7508 DisplayError(message, 0);
7511 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7512 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7513 strcat(realname, " query");
7514 AskQuestion(realname, buf2, buf1, cps->pr);
7517 /* Commands from the engine directly to ICS. We don't allow these to be
7518 * sent until we are logged on. Crafty kibitzes have been known to
7519 * interfere with the login process.
7522 if (!strncmp(message, "tellics ", 8)) {
7523 SendToICS(message + 8);
7527 if (!strncmp(message, "tellicsnoalias ", 15)) {
7528 SendToICS(ics_prefix);
7529 SendToICS(message + 15);
7533 /* The following are for backward compatibility only */
7534 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7535 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7536 SendToICS(ics_prefix);
7542 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7546 * If the move is illegal, cancel it and redraw the board.
7547 * Also deal with other error cases. Matching is rather loose
7548 * here to accommodate engines written before the spec.
7550 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7551 strncmp(message, "Error", 5) == 0) {
7552 if (StrStr(message, "name") ||
7553 StrStr(message, "rating") || StrStr(message, "?") ||
7554 StrStr(message, "result") || StrStr(message, "board") ||
7555 StrStr(message, "bk") || StrStr(message, "computer") ||
7556 StrStr(message, "variant") || StrStr(message, "hint") ||
7557 StrStr(message, "random") || StrStr(message, "depth") ||
7558 StrStr(message, "accepted")) {
7561 if (StrStr(message, "protover")) {
7562 /* Program is responding to input, so it's apparently done
7563 initializing, and this error message indicates it is
7564 protocol version 1. So we don't need to wait any longer
7565 for it to initialize and send feature commands. */
7566 FeatureDone(cps, 1);
7567 cps->protocolVersion = 1;
7570 cps->maybeThinking = FALSE;
7572 if (StrStr(message, "draw")) {
7573 /* Program doesn't have "draw" command */
7574 cps->sendDrawOffers = 0;
7577 if (cps->sendTime != 1 &&
7578 (StrStr(message, "time") || StrStr(message, "otim"))) {
7579 /* Program apparently doesn't have "time" or "otim" command */
7583 if (StrStr(message, "analyze")) {
7584 cps->analysisSupport = FALSE;
7585 cps->analyzing = FALSE;
7587 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7588 DisplayError(buf2, 0);
7591 if (StrStr(message, "(no matching move)st")) {
7592 /* Special kludge for GNU Chess 4 only */
7593 cps->stKludge = TRUE;
7594 SendTimeControl(cps, movesPerSession, timeControl,
7595 timeIncrement, appData.searchDepth,
7599 if (StrStr(message, "(no matching move)sd")) {
7600 /* Special kludge for GNU Chess 4 only */
7601 cps->sdKludge = TRUE;
7602 SendTimeControl(cps, movesPerSession, timeControl,
7603 timeIncrement, appData.searchDepth,
7607 if (!StrStr(message, "llegal")) {
7610 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7611 gameMode == IcsIdle) return;
7612 if (forwardMostMove <= backwardMostMove) return;
7613 if (pausing) PauseEvent();
7614 if(appData.forceIllegal) {
7615 // [HGM] illegal: machine refused move; force position after move into it
7616 SendToProgram("force\n", cps);
7617 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7618 // we have a real problem now, as SendBoard will use the a2a3 kludge
7619 // when black is to move, while there might be nothing on a2 or black
7620 // might already have the move. So send the board as if white has the move.
7621 // But first we must change the stm of the engine, as it refused the last move
7622 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7623 if(WhiteOnMove(forwardMostMove)) {
7624 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7625 SendBoard(cps, forwardMostMove); // kludgeless board
7627 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7628 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7629 SendBoard(cps, forwardMostMove+1); // kludgeless board
7631 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7632 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7633 gameMode == TwoMachinesPlay)
7634 SendToProgram("go\n", cps);
7637 if (gameMode == PlayFromGameFile) {
7638 /* Stop reading this game file */
7639 gameMode = EditGame;
7642 currentMove = forwardMostMove-1;
7643 DisplayMove(currentMove-1); /* before DisplayMoveError */
7644 SwitchClocks(forwardMostMove-1); // [HGM] race
7645 DisplayBothClocks();
7646 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7647 parseList[currentMove], cps->which);
7648 DisplayMoveError(buf1);
7649 DrawPosition(FALSE, boards[currentMove]);
7651 /* [HGM] illegal-move claim should forfeit game when Xboard */
7652 /* only passes fully legal moves */
7653 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7654 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7655 "False illegal-move claim", GE_XBOARD );
7659 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7660 /* Program has a broken "time" command that
7661 outputs a string not ending in newline.
7667 * If chess program startup fails, exit with an error message.
7668 * Attempts to recover here are futile.
7670 if ((StrStr(message, "unknown host") != NULL)
7671 || (StrStr(message, "No remote directory") != NULL)
7672 || (StrStr(message, "not found") != NULL)
7673 || (StrStr(message, "No such file") != NULL)
7674 || (StrStr(message, "can't alloc") != NULL)
7675 || (StrStr(message, "Permission denied") != NULL)) {
7677 cps->maybeThinking = FALSE;
7678 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7679 cps->which, cps->program, cps->host, message);
7680 RemoveInputSource(cps->isr);
7681 DisplayFatalError(buf1, 0, 1);
7686 * Look for hint output
7688 if (sscanf(message, "Hint: %s", buf1) == 1) {
7689 if (cps == &first && hintRequested) {
7690 hintRequested = FALSE;
7691 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7692 &fromX, &fromY, &toX, &toY, &promoChar)) {
7693 (void) CoordsToAlgebraic(boards[forwardMostMove],
7694 PosFlags(forwardMostMove),
7695 fromY, fromX, toY, toX, promoChar, buf1);
7696 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7697 DisplayInformation(buf2);
7699 /* Hint move could not be parsed!? */
7700 snprintf(buf2, sizeof(buf2),
7701 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7703 DisplayError(buf2, 0);
7706 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7712 * Ignore other messages if game is not in progress
7714 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7715 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7718 * look for win, lose, draw, or draw offer
7720 if (strncmp(message, "1-0", 3) == 0) {
7721 char *p, *q, *r = "";
7722 p = strchr(message, '{');
7730 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7732 } else if (strncmp(message, "0-1", 3) == 0) {
7733 char *p, *q, *r = "";
7734 p = strchr(message, '{');
7742 /* Kludge for Arasan 4.1 bug */
7743 if (strcmp(r, "Black resigns") == 0) {
7744 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7747 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7749 } else if (strncmp(message, "1/2", 3) == 0) {
7750 char *p, *q, *r = "";
7751 p = strchr(message, '{');
7760 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7763 } else if (strncmp(message, "White resign", 12) == 0) {
7764 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7766 } else if (strncmp(message, "Black resign", 12) == 0) {
7767 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7769 } else if (strncmp(message, "White matches", 13) == 0 ||
7770 strncmp(message, "Black matches", 13) == 0 ) {
7771 /* [HGM] ignore GNUShogi noises */
7773 } else if (strncmp(message, "White", 5) == 0 &&
7774 message[5] != '(' &&
7775 StrStr(message, "Black") == NULL) {
7776 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7778 } else if (strncmp(message, "Black", 5) == 0 &&
7779 message[5] != '(') {
7780 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7782 } else if (strcmp(message, "resign") == 0 ||
7783 strcmp(message, "computer resigns") == 0) {
7785 case MachinePlaysBlack:
7786 case IcsPlayingBlack:
7787 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7789 case MachinePlaysWhite:
7790 case IcsPlayingWhite:
7791 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7793 case TwoMachinesPlay:
7794 if (cps->twoMachinesColor[0] == 'w')
7795 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7797 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7804 } else if (strncmp(message, "opponent mates", 14) == 0) {
7806 case MachinePlaysBlack:
7807 case IcsPlayingBlack:
7808 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7810 case MachinePlaysWhite:
7811 case IcsPlayingWhite:
7812 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7814 case TwoMachinesPlay:
7815 if (cps->twoMachinesColor[0] == 'w')
7816 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7818 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7825 } else if (strncmp(message, "computer mates", 14) == 0) {
7827 case MachinePlaysBlack:
7828 case IcsPlayingBlack:
7829 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7831 case MachinePlaysWhite:
7832 case IcsPlayingWhite:
7833 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7835 case TwoMachinesPlay:
7836 if (cps->twoMachinesColor[0] == 'w')
7837 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7839 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7846 } else if (strncmp(message, "checkmate", 9) == 0) {
7847 if (WhiteOnMove(forwardMostMove)) {
7848 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7850 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7853 } else if (strstr(message, "Draw") != NULL ||
7854 strstr(message, "game is a draw") != NULL) {
7855 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7857 } else if (strstr(message, "offer") != NULL &&
7858 strstr(message, "draw") != NULL) {
7860 if (appData.zippyPlay && first.initDone) {
7861 /* Relay offer to ICS */
7862 SendToICS(ics_prefix);
7863 SendToICS("draw\n");
7866 cps->offeredDraw = 2; /* valid until this engine moves twice */
7867 if (gameMode == TwoMachinesPlay) {
7868 if (cps->other->offeredDraw) {
7869 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7870 /* [HGM] in two-machine mode we delay relaying draw offer */
7871 /* until after we also have move, to see if it is really claim */
7873 } else if (gameMode == MachinePlaysWhite ||
7874 gameMode == MachinePlaysBlack) {
7875 if (userOfferedDraw) {
7876 DisplayInformation(_("Machine accepts your draw offer"));
7877 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7879 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7886 * Look for thinking output
7888 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7889 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7891 int plylev, mvleft, mvtot, curscore, time;
7892 char mvname[MOVE_LEN];
7896 int prefixHint = FALSE;
7897 mvname[0] = NULLCHAR;
7900 case MachinePlaysBlack:
7901 case IcsPlayingBlack:
7902 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7904 case MachinePlaysWhite:
7905 case IcsPlayingWhite:
7906 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7911 case IcsObserving: /* [DM] icsEngineAnalyze */
7912 if (!appData.icsEngineAnalyze) ignore = TRUE;
7914 case TwoMachinesPlay:
7915 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7925 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7927 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7928 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7930 if (plyext != ' ' && plyext != '\t') {
7934 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7935 if( cps->scoreIsAbsolute &&
7936 ( gameMode == MachinePlaysBlack ||
7937 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7938 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7939 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7940 !WhiteOnMove(currentMove)
7943 curscore = -curscore;
7947 tempStats.depth = plylev;
7948 tempStats.nodes = nodes;
7949 tempStats.time = time;
7950 tempStats.score = curscore;
7951 tempStats.got_only_move = 0;
7953 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7956 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7957 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7958 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7959 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7960 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7961 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7962 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7963 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7966 /* Buffer overflow protection */
7967 if (buf1[0] != NULLCHAR) {
7968 if (strlen(buf1) >= sizeof(tempStats.movelist)
7969 && appData.debugMode) {
7971 "PV is too long; using the first %u bytes.\n",
7972 (unsigned) sizeof(tempStats.movelist) - 1);
7975 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
7977 sprintf(tempStats.movelist, " no PV\n");
7980 if (tempStats.seen_stat) {
7981 tempStats.ok_to_send = 1;
7984 if (strchr(tempStats.movelist, '(') != NULL) {
7985 tempStats.line_is_book = 1;
7986 tempStats.nr_moves = 0;
7987 tempStats.moves_left = 0;
7989 tempStats.line_is_book = 0;
7992 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7993 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7995 SendProgramStatsToFrontend( cps, &tempStats );
7998 [AS] Protect the thinkOutput buffer from overflow... this
7999 is only useful if buf1 hasn't overflowed first!
8001 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8003 (gameMode == TwoMachinesPlay ?
8004 ToUpper(cps->twoMachinesColor[0]) : ' '),
8005 ((double) curscore) / 100.0,
8006 prefixHint ? lastHint : "",
8007 prefixHint ? " " : "" );
8009 if( buf1[0] != NULLCHAR ) {
8010 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8012 if( strlen(buf1) > max_len ) {
8013 if( appData.debugMode) {
8014 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8016 buf1[max_len+1] = '\0';
8019 strcat( thinkOutput, buf1 );
8022 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8023 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8024 DisplayMove(currentMove - 1);
8028 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8029 /* crafty (9.25+) says "(only move) <move>"
8030 * if there is only 1 legal move
8032 sscanf(p, "(only move) %s", buf1);
8033 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8034 sprintf(programStats.movelist, "%s (only move)", buf1);
8035 programStats.depth = 1;
8036 programStats.nr_moves = 1;
8037 programStats.moves_left = 1;
8038 programStats.nodes = 1;
8039 programStats.time = 1;
8040 programStats.got_only_move = 1;
8042 /* Not really, but we also use this member to
8043 mean "line isn't going to change" (Crafty
8044 isn't searching, so stats won't change) */
8045 programStats.line_is_book = 1;
8047 SendProgramStatsToFrontend( cps, &programStats );
8049 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8050 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8051 DisplayMove(currentMove - 1);
8054 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8055 &time, &nodes, &plylev, &mvleft,
8056 &mvtot, mvname) >= 5) {
8057 /* The stat01: line is from Crafty (9.29+) in response
8058 to the "." command */
8059 programStats.seen_stat = 1;
8060 cps->maybeThinking = TRUE;
8062 if (programStats.got_only_move || !appData.periodicUpdates)
8065 programStats.depth = plylev;
8066 programStats.time = time;
8067 programStats.nodes = nodes;
8068 programStats.moves_left = mvleft;
8069 programStats.nr_moves = mvtot;
8070 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8071 programStats.ok_to_send = 1;
8072 programStats.movelist[0] = '\0';
8074 SendProgramStatsToFrontend( cps, &programStats );
8078 } else if (strncmp(message,"++",2) == 0) {
8079 /* Crafty 9.29+ outputs this */
8080 programStats.got_fail = 2;
8083 } else if (strncmp(message,"--",2) == 0) {
8084 /* Crafty 9.29+ outputs this */
8085 programStats.got_fail = 1;
8088 } else if (thinkOutput[0] != NULLCHAR &&
8089 strncmp(message, " ", 4) == 0) {
8090 unsigned message_len;
8093 while (*p && *p == ' ') p++;
8095 message_len = strlen( p );
8097 /* [AS] Avoid buffer overflow */
8098 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8099 strcat(thinkOutput, " ");
8100 strcat(thinkOutput, p);
8103 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8104 strcat(programStats.movelist, " ");
8105 strcat(programStats.movelist, p);
8108 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8109 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8110 DisplayMove(currentMove - 1);
8118 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8119 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8121 ChessProgramStats cpstats;
8123 if (plyext != ' ' && plyext != '\t') {
8127 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8128 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8129 curscore = -curscore;
8132 cpstats.depth = plylev;
8133 cpstats.nodes = nodes;
8134 cpstats.time = time;
8135 cpstats.score = curscore;
8136 cpstats.got_only_move = 0;
8137 cpstats.movelist[0] = '\0';
8139 if (buf1[0] != NULLCHAR) {
8140 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8143 cpstats.ok_to_send = 0;
8144 cpstats.line_is_book = 0;
8145 cpstats.nr_moves = 0;
8146 cpstats.moves_left = 0;
8148 SendProgramStatsToFrontend( cps, &cpstats );
8155 /* Parse a game score from the character string "game", and
8156 record it as the history of the current game. The game
8157 score is NOT assumed to start from the standard position.
8158 The display is not updated in any way.
8161 ParseGameHistory(game)
8165 int fromX, fromY, toX, toY, boardIndex;
8170 if (appData.debugMode)
8171 fprintf(debugFP, "Parsing game history: %s\n", game);
8173 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8174 gameInfo.site = StrSave(appData.icsHost);
8175 gameInfo.date = PGNDate();
8176 gameInfo.round = StrSave("-");
8178 /* Parse out names of players */
8179 while (*game == ' ') game++;
8181 while (*game != ' ') *p++ = *game++;
8183 gameInfo.white = StrSave(buf);
8184 while (*game == ' ') game++;
8186 while (*game != ' ' && *game != '\n') *p++ = *game++;
8188 gameInfo.black = StrSave(buf);
8191 boardIndex = blackPlaysFirst ? 1 : 0;
8194 yyboardindex = boardIndex;
8195 moveType = (ChessMove) yylex();
8197 case IllegalMove: /* maybe suicide chess, etc. */
8198 if (appData.debugMode) {
8199 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8200 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8201 setbuf(debugFP, NULL);
8203 case WhitePromotion:
8204 case BlackPromotion:
8205 case WhiteNonPromotion:
8206 case BlackNonPromotion:
8208 case WhiteCapturesEnPassant:
8209 case BlackCapturesEnPassant:
8210 case WhiteKingSideCastle:
8211 case WhiteQueenSideCastle:
8212 case BlackKingSideCastle:
8213 case BlackQueenSideCastle:
8214 case WhiteKingSideCastleWild:
8215 case WhiteQueenSideCastleWild:
8216 case BlackKingSideCastleWild:
8217 case BlackQueenSideCastleWild:
8219 case WhiteHSideCastleFR:
8220 case WhiteASideCastleFR:
8221 case BlackHSideCastleFR:
8222 case BlackASideCastleFR:
8224 fromX = currentMoveString[0] - AAA;
8225 fromY = currentMoveString[1] - ONE;
8226 toX = currentMoveString[2] - AAA;
8227 toY = currentMoveString[3] - ONE;
8228 promoChar = currentMoveString[4];
8232 fromX = moveType == WhiteDrop ?
8233 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8234 (int) CharToPiece(ToLower(currentMoveString[0]));
8236 toX = currentMoveString[2] - AAA;
8237 toY = currentMoveString[3] - ONE;
8238 promoChar = NULLCHAR;
8242 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8243 if (appData.debugMode) {
8244 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8245 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8246 setbuf(debugFP, NULL);
8248 DisplayError(buf, 0);
8250 case ImpossibleMove:
8252 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8253 if (appData.debugMode) {
8254 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8255 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8256 setbuf(debugFP, NULL);
8258 DisplayError(buf, 0);
8261 if (boardIndex < backwardMostMove) {
8262 /* Oops, gap. How did that happen? */
8263 DisplayError(_("Gap in move list"), 0);
8266 backwardMostMove = blackPlaysFirst ? 1 : 0;
8267 if (boardIndex > forwardMostMove) {
8268 forwardMostMove = boardIndex;
8272 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8273 strcat(parseList[boardIndex-1], " ");
8274 strcat(parseList[boardIndex-1], yy_text);
8286 case GameUnfinished:
8287 if (gameMode == IcsExamining) {
8288 if (boardIndex < backwardMostMove) {
8289 /* Oops, gap. How did that happen? */
8292 backwardMostMove = blackPlaysFirst ? 1 : 0;
8295 gameInfo.result = moveType;
8296 p = strchr(yy_text, '{');
8297 if (p == NULL) p = strchr(yy_text, '(');
8300 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8302 q = strchr(p, *p == '{' ? '}' : ')');
8303 if (q != NULL) *q = NULLCHAR;
8306 gameInfo.resultDetails = StrSave(p);
8309 if (boardIndex >= forwardMostMove &&
8310 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8311 backwardMostMove = blackPlaysFirst ? 1 : 0;
8314 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8315 fromY, fromX, toY, toX, promoChar,
8316 parseList[boardIndex]);
8317 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8318 /* currentMoveString is set as a side-effect of yylex */
8319 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8320 strcat(moveList[boardIndex], "\n");
8322 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8323 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8329 if(gameInfo.variant != VariantShogi)
8330 strcat(parseList[boardIndex - 1], "+");
8334 strcat(parseList[boardIndex - 1], "#");
8341 /* Apply a move to the given board */
8343 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8344 int fromX, fromY, toX, toY;
8348 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8349 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8351 /* [HGM] compute & store e.p. status and castling rights for new position */
8352 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8354 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8355 oldEP = (signed char)board[EP_STATUS];
8356 board[EP_STATUS] = EP_NONE;
8358 if( board[toY][toX] != EmptySquare )
8359 board[EP_STATUS] = EP_CAPTURE;
8361 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8362 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8363 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8365 if (fromY == DROP_RANK) {
8367 piece = board[toY][toX] = (ChessSquare) fromX;
8371 if( board[fromY][fromX] == WhitePawn ) {
8372 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8373 board[EP_STATUS] = EP_PAWN_MOVE;
8375 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8376 gameInfo.variant != VariantBerolina || toX < fromX)
8377 board[EP_STATUS] = toX | berolina;
8378 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8379 gameInfo.variant != VariantBerolina || toX > fromX)
8380 board[EP_STATUS] = toX;
8383 if( board[fromY][fromX] == BlackPawn ) {
8384 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8385 board[EP_STATUS] = EP_PAWN_MOVE;
8386 if( toY-fromY== -2) {
8387 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8388 gameInfo.variant != VariantBerolina || toX < fromX)
8389 board[EP_STATUS] = toX | berolina;
8390 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8391 gameInfo.variant != VariantBerolina || toX > fromX)
8392 board[EP_STATUS] = toX;
8396 for(i=0; i<nrCastlingRights; i++) {
8397 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8398 board[CASTLING][i] == toX && castlingRank[i] == toY
8399 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8402 if (fromX == toX && fromY == toY) return;
8404 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8405 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8406 if(gameInfo.variant == VariantKnightmate)
8407 king += (int) WhiteUnicorn - (int) WhiteKing;
8409 /* Code added by Tord: */
8410 /* FRC castling assumed when king captures friendly rook. */
8411 if (board[fromY][fromX] == WhiteKing &&
8412 board[toY][toX] == WhiteRook) {
8413 board[fromY][fromX] = EmptySquare;
8414 board[toY][toX] = EmptySquare;
8416 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8418 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8420 } else if (board[fromY][fromX] == BlackKing &&
8421 board[toY][toX] == BlackRook) {
8422 board[fromY][fromX] = EmptySquare;
8423 board[toY][toX] = EmptySquare;
8425 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8427 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8429 /* End of code added by Tord */
8431 } else if (board[fromY][fromX] == king
8432 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8433 && toY == fromY && toX > fromX+1) {
8434 board[fromY][fromX] = EmptySquare;
8435 board[toY][toX] = king;
8436 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8437 board[fromY][BOARD_RGHT-1] = EmptySquare;
8438 } else if (board[fromY][fromX] == king
8439 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8440 && toY == fromY && toX < fromX-1) {
8441 board[fromY][fromX] = EmptySquare;
8442 board[toY][toX] = king;
8443 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8444 board[fromY][BOARD_LEFT] = EmptySquare;
8445 } else if (board[fromY][fromX] == WhitePawn
8446 && toY >= BOARD_HEIGHT-promoRank
8447 && gameInfo.variant != VariantXiangqi
8449 /* white pawn promotion */
8450 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8451 if (board[toY][toX] == EmptySquare) {
8452 board[toY][toX] = WhiteQueen;
8454 if(gameInfo.variant==VariantBughouse ||
8455 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8456 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8457 board[fromY][fromX] = EmptySquare;
8458 } else if ((fromY == BOARD_HEIGHT-4)
8460 && gameInfo.variant != VariantXiangqi
8461 && gameInfo.variant != VariantBerolina
8462 && (board[fromY][fromX] == WhitePawn)
8463 && (board[toY][toX] == EmptySquare)) {
8464 board[fromY][fromX] = EmptySquare;
8465 board[toY][toX] = WhitePawn;
8466 captured = board[toY - 1][toX];
8467 board[toY - 1][toX] = EmptySquare;
8468 } else if ((fromY == BOARD_HEIGHT-4)
8470 && gameInfo.variant == VariantBerolina
8471 && (board[fromY][fromX] == WhitePawn)
8472 && (board[toY][toX] == EmptySquare)) {
8473 board[fromY][fromX] = EmptySquare;
8474 board[toY][toX] = WhitePawn;
8475 if(oldEP & EP_BEROLIN_A) {
8476 captured = board[fromY][fromX-1];
8477 board[fromY][fromX-1] = EmptySquare;
8478 }else{ captured = board[fromY][fromX+1];
8479 board[fromY][fromX+1] = EmptySquare;
8481 } else if (board[fromY][fromX] == king
8482 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8483 && toY == fromY && toX > fromX+1) {
8484 board[fromY][fromX] = EmptySquare;
8485 board[toY][toX] = king;
8486 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8487 board[fromY][BOARD_RGHT-1] = EmptySquare;
8488 } else if (board[fromY][fromX] == king
8489 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8490 && toY == fromY && toX < fromX-1) {
8491 board[fromY][fromX] = EmptySquare;
8492 board[toY][toX] = king;
8493 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8494 board[fromY][BOARD_LEFT] = EmptySquare;
8495 } else if (fromY == 7 && fromX == 3
8496 && board[fromY][fromX] == BlackKing
8497 && toY == 7 && toX == 5) {
8498 board[fromY][fromX] = EmptySquare;
8499 board[toY][toX] = BlackKing;
8500 board[fromY][7] = EmptySquare;
8501 board[toY][4] = BlackRook;
8502 } else if (fromY == 7 && fromX == 3
8503 && board[fromY][fromX] == BlackKing
8504 && toY == 7 && toX == 1) {
8505 board[fromY][fromX] = EmptySquare;
8506 board[toY][toX] = BlackKing;
8507 board[fromY][0] = EmptySquare;
8508 board[toY][2] = BlackRook;
8509 } else if (board[fromY][fromX] == BlackPawn
8511 && gameInfo.variant != VariantXiangqi
8513 /* black pawn promotion */
8514 board[toY][toX] = CharToPiece(ToLower(promoChar));
8515 if (board[toY][toX] == EmptySquare) {
8516 board[toY][toX] = BlackQueen;
8518 if(gameInfo.variant==VariantBughouse ||
8519 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8520 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8521 board[fromY][fromX] = EmptySquare;
8522 } else if ((fromY == 3)
8524 && gameInfo.variant != VariantXiangqi
8525 && gameInfo.variant != VariantBerolina
8526 && (board[fromY][fromX] == BlackPawn)
8527 && (board[toY][toX] == EmptySquare)) {
8528 board[fromY][fromX] = EmptySquare;
8529 board[toY][toX] = BlackPawn;
8530 captured = board[toY + 1][toX];
8531 board[toY + 1][toX] = EmptySquare;
8532 } else if ((fromY == 3)
8534 && gameInfo.variant == VariantBerolina
8535 && (board[fromY][fromX] == BlackPawn)
8536 && (board[toY][toX] == EmptySquare)) {
8537 board[fromY][fromX] = EmptySquare;
8538 board[toY][toX] = BlackPawn;
8539 if(oldEP & EP_BEROLIN_A) {
8540 captured = board[fromY][fromX-1];
8541 board[fromY][fromX-1] = EmptySquare;
8542 }else{ captured = board[fromY][fromX+1];
8543 board[fromY][fromX+1] = EmptySquare;
8546 board[toY][toX] = board[fromY][fromX];
8547 board[fromY][fromX] = EmptySquare;
8551 if (gameInfo.holdingsWidth != 0) {
8553 /* !!A lot more code needs to be written to support holdings */
8554 /* [HGM] OK, so I have written it. Holdings are stored in the */
8555 /* penultimate board files, so they are automaticlly stored */
8556 /* in the game history. */
8557 if (fromY == DROP_RANK) {
8558 /* Delete from holdings, by decreasing count */
8559 /* and erasing image if necessary */
8561 if(p < (int) BlackPawn) { /* white drop */
8562 p -= (int)WhitePawn;
8563 p = PieceToNumber((ChessSquare)p);
8564 if(p >= gameInfo.holdingsSize) p = 0;
8565 if(--board[p][BOARD_WIDTH-2] <= 0)
8566 board[p][BOARD_WIDTH-1] = EmptySquare;
8567 if((int)board[p][BOARD_WIDTH-2] < 0)
8568 board[p][BOARD_WIDTH-2] = 0;
8569 } else { /* black drop */
8570 p -= (int)BlackPawn;
8571 p = PieceToNumber((ChessSquare)p);
8572 if(p >= gameInfo.holdingsSize) p = 0;
8573 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8574 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8575 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8576 board[BOARD_HEIGHT-1-p][1] = 0;
8579 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8580 && gameInfo.variant != VariantBughouse ) {
8581 /* [HGM] holdings: Add to holdings, if holdings exist */
8582 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8583 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8584 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8587 if (p >= (int) BlackPawn) {
8588 p -= (int)BlackPawn;
8589 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8590 /* in Shogi restore piece to its original first */
8591 captured = (ChessSquare) (DEMOTED captured);
8594 p = PieceToNumber((ChessSquare)p);
8595 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8596 board[p][BOARD_WIDTH-2]++;
8597 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8599 p -= (int)WhitePawn;
8600 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8601 captured = (ChessSquare) (DEMOTED captured);
8604 p = PieceToNumber((ChessSquare)p);
8605 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8606 board[BOARD_HEIGHT-1-p][1]++;
8607 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8610 } else if (gameInfo.variant == VariantAtomic) {
8611 if (captured != EmptySquare) {
8613 for (y = toY-1; y <= toY+1; y++) {
8614 for (x = toX-1; x <= toX+1; x++) {
8615 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8616 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8617 board[y][x] = EmptySquare;
8621 board[toY][toX] = EmptySquare;
8624 if(promoChar == '+') {
8625 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8626 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8627 } else if(!appData.testLegality) { // without legality testing, unconditionally believe promoChar
8628 board[toY][toX] = CharToPiece(promoChar);
8630 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8631 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8632 // [HGM] superchess: take promotion piece out of holdings
8633 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8634 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8635 if(!--board[k][BOARD_WIDTH-2])
8636 board[k][BOARD_WIDTH-1] = EmptySquare;
8638 if(!--board[BOARD_HEIGHT-1-k][1])
8639 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8645 /* Updates forwardMostMove */
8647 MakeMove(fromX, fromY, toX, toY, promoChar)
8648 int fromX, fromY, toX, toY;
8651 // forwardMostMove++; // [HGM] bare: moved downstream
8653 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8654 int timeLeft; static int lastLoadFlag=0; int king, piece;
8655 piece = boards[forwardMostMove][fromY][fromX];
8656 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8657 if(gameInfo.variant == VariantKnightmate)
8658 king += (int) WhiteUnicorn - (int) WhiteKing;
8659 if(forwardMostMove == 0) {
8661 fprintf(serverMoves, "%s;", second.tidy);
8662 fprintf(serverMoves, "%s;", first.tidy);
8663 if(!blackPlaysFirst)
8664 fprintf(serverMoves, "%s;", second.tidy);
8665 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8666 lastLoadFlag = loadFlag;
8668 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8669 // print castling suffix
8670 if( toY == fromY && piece == king ) {
8672 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8674 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8677 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8678 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8679 boards[forwardMostMove][toY][toX] == EmptySquare
8680 && fromX != toX && fromY != toY)
8681 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8683 if(promoChar != NULLCHAR)
8684 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8686 fprintf(serverMoves, "/%d/%d",
8687 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8688 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8689 else timeLeft = blackTimeRemaining/1000;
8690 fprintf(serverMoves, "/%d", timeLeft);
8692 fflush(serverMoves);
8695 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8696 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8700 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8701 if (commentList[forwardMostMove+1] != NULL) {
8702 free(commentList[forwardMostMove+1]);
8703 commentList[forwardMostMove+1] = NULL;
8705 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8706 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8707 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8708 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8709 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8710 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8711 gameInfo.result = GameUnfinished;
8712 if (gameInfo.resultDetails != NULL) {
8713 free(gameInfo.resultDetails);
8714 gameInfo.resultDetails = NULL;
8716 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8717 moveList[forwardMostMove - 1]);
8718 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8719 PosFlags(forwardMostMove - 1),
8720 fromY, fromX, toY, toX, promoChar,
8721 parseList[forwardMostMove - 1]);
8722 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8728 if(gameInfo.variant != VariantShogi)
8729 strcat(parseList[forwardMostMove - 1], "+");
8733 strcat(parseList[forwardMostMove - 1], "#");
8736 if (appData.debugMode) {
8737 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8742 /* Updates currentMove if not pausing */
8744 ShowMove(fromX, fromY, toX, toY)
8746 int instant = (gameMode == PlayFromGameFile) ?
8747 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8748 if(appData.noGUI) return;
8749 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8751 if (forwardMostMove == currentMove + 1) {
8752 AnimateMove(boards[forwardMostMove - 1],
8753 fromX, fromY, toX, toY);
8755 if (appData.highlightLastMove) {
8756 SetHighlights(fromX, fromY, toX, toY);
8759 currentMove = forwardMostMove;
8762 if (instant) return;
8764 DisplayMove(currentMove - 1);
8765 DrawPosition(FALSE, boards[currentMove]);
8766 DisplayBothClocks();
8767 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8770 void SendEgtPath(ChessProgramState *cps)
8771 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8772 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8774 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8777 char c, *q = name+1, *r, *s;
8779 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8780 while(*p && *p != ',') *q++ = *p++;
8782 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8783 strcmp(name, ",nalimov:") == 0 ) {
8784 // take nalimov path from the menu-changeable option first, if it is defined
8785 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8786 SendToProgram(buf,cps); // send egtbpath command for nalimov
8788 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8789 (s = StrStr(appData.egtFormats, name)) != NULL) {
8790 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8791 s = r = StrStr(s, ":") + 1; // beginning of path info
8792 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8793 c = *r; *r = 0; // temporarily null-terminate path info
8794 *--q = 0; // strip of trailig ':' from name
8795 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8797 SendToProgram(buf,cps); // send egtbpath command for this format
8799 if(*p == ',') p++; // read away comma to position for next format name
8804 InitChessProgram(cps, setup)
8805 ChessProgramState *cps;
8806 int setup; /* [HGM] needed to setup FRC opening position */
8808 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8809 if (appData.noChessProgram) return;
8810 hintRequested = FALSE;
8811 bookRequested = FALSE;
8813 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8814 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8815 if(cps->memSize) { /* [HGM] memory */
8816 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8817 SendToProgram(buf, cps);
8819 SendEgtPath(cps); /* [HGM] EGT */
8820 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8821 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8822 SendToProgram(buf, cps);
8825 SendToProgram(cps->initString, cps);
8826 if (gameInfo.variant != VariantNormal &&
8827 gameInfo.variant != VariantLoadable
8828 /* [HGM] also send variant if board size non-standard */
8829 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8831 char *v = VariantName(gameInfo.variant);
8832 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8833 /* [HGM] in protocol 1 we have to assume all variants valid */
8834 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8835 DisplayFatalError(buf, 0, 1);
8839 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8840 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8841 if( gameInfo.variant == VariantXiangqi )
8842 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8843 if( gameInfo.variant == VariantShogi )
8844 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8845 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8846 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8847 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8848 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8849 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8850 if( gameInfo.variant == VariantCourier )
8851 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8852 if( gameInfo.variant == VariantSuper )
8853 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8854 if( gameInfo.variant == VariantGreat )
8855 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8858 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8859 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8860 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8861 if(StrStr(cps->variants, b) == NULL) {
8862 // specific sized variant not known, check if general sizing allowed
8863 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8864 if(StrStr(cps->variants, "boardsize") == NULL) {
8865 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8866 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8867 DisplayFatalError(buf, 0, 1);
8870 /* [HGM] here we really should compare with the maximum supported board size */
8873 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8874 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8875 SendToProgram(buf, cps);
8877 currentlyInitializedVariant = gameInfo.variant;
8879 /* [HGM] send opening position in FRC to first engine */
8881 SendToProgram("force\n", cps);
8883 /* engine is now in force mode! Set flag to wake it up after first move. */
8884 setboardSpoiledMachineBlack = 1;
8888 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8889 SendToProgram(buf, cps);
8891 cps->maybeThinking = FALSE;
8892 cps->offeredDraw = 0;
8893 if (!appData.icsActive) {
8894 SendTimeControl(cps, movesPerSession, timeControl,
8895 timeIncrement, appData.searchDepth,
8898 if (appData.showThinking
8899 // [HGM] thinking: four options require thinking output to be sent
8900 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8902 SendToProgram("post\n", cps);
8904 SendToProgram("hard\n", cps);
8905 if (!appData.ponderNextMove) {
8906 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8907 it without being sure what state we are in first. "hard"
8908 is not a toggle, so that one is OK.
8910 SendToProgram("easy\n", cps);
8913 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8914 SendToProgram(buf, cps);
8916 cps->initDone = TRUE;
8921 StartChessProgram(cps)
8922 ChessProgramState *cps;
8927 if (appData.noChessProgram) return;
8928 cps->initDone = FALSE;
8930 if (strcmp(cps->host, "localhost") == 0) {
8931 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8932 } else if (*appData.remoteShell == NULLCHAR) {
8933 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8935 if (*appData.remoteUser == NULLCHAR) {
8936 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8939 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8940 cps->host, appData.remoteUser, cps->program);
8942 err = StartChildProcess(buf, "", &cps->pr);
8946 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8947 DisplayFatalError(buf, err, 1);
8953 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8954 if (cps->protocolVersion > 1) {
8955 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8956 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8957 cps->comboCnt = 0; // and values of combo boxes
8958 SendToProgram(buf, cps);
8960 SendToProgram("xboard\n", cps);
8966 TwoMachinesEventIfReady P((void))
8968 if (first.lastPing != first.lastPong) {
8969 DisplayMessage("", _("Waiting for first chess program"));
8970 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8973 if (second.lastPing != second.lastPong) {
8974 DisplayMessage("", _("Waiting for second chess program"));
8975 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8983 NextMatchGame P((void))
8985 int index; /* [HGM] autoinc: step load index during match */
8987 if (*appData.loadGameFile != NULLCHAR) {
8988 index = appData.loadGameIndex;
8989 if(index < 0) { // [HGM] autoinc
8990 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8991 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8993 LoadGameFromFile(appData.loadGameFile,
8995 appData.loadGameFile, FALSE);
8996 } else if (*appData.loadPositionFile != NULLCHAR) {
8997 index = appData.loadPositionIndex;
8998 if(index < 0) { // [HGM] autoinc
8999 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9000 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9002 LoadPositionFromFile(appData.loadPositionFile,
9004 appData.loadPositionFile);
9006 TwoMachinesEventIfReady();
9009 void UserAdjudicationEvent( int result )
9011 ChessMove gameResult = GameIsDrawn;
9014 gameResult = WhiteWins;
9016 else if( result < 0 ) {
9017 gameResult = BlackWins;
9020 if( gameMode == TwoMachinesPlay ) {
9021 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9026 // [HGM] save: calculate checksum of game to make games easily identifiable
9027 int StringCheckSum(char *s)
9030 if(s==NULL) return 0;
9031 while(*s) i = i*259 + *s++;
9038 for(i=backwardMostMove; i<forwardMostMove; i++) {
9039 sum += pvInfoList[i].depth;
9040 sum += StringCheckSum(parseList[i]);
9041 sum += StringCheckSum(commentList[i]);
9044 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9045 return sum + StringCheckSum(commentList[i]);
9046 } // end of save patch
9049 GameEnds(result, resultDetails, whosays)
9051 char *resultDetails;
9054 GameMode nextGameMode;
9056 char buf[MSG_SIZ], popupRequested = 0;
9058 if(endingGame) return; /* [HGM] crash: forbid recursion */
9060 if(twoBoards) { // [HGM] dual: switch back to one board
9061 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9062 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9064 if (appData.debugMode) {
9065 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9066 result, resultDetails ? resultDetails : "(null)", whosays);
9069 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9071 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9072 /* If we are playing on ICS, the server decides when the
9073 game is over, but the engine can offer to draw, claim
9077 if (appData.zippyPlay && first.initDone) {
9078 if (result == GameIsDrawn) {
9079 /* In case draw still needs to be claimed */
9080 SendToICS(ics_prefix);
9081 SendToICS("draw\n");
9082 } else if (StrCaseStr(resultDetails, "resign")) {
9083 SendToICS(ics_prefix);
9084 SendToICS("resign\n");
9088 endingGame = 0; /* [HGM] crash */
9092 /* If we're loading the game from a file, stop */
9093 if (whosays == GE_FILE) {
9094 (void) StopLoadGameTimer();
9098 /* Cancel draw offers */
9099 first.offeredDraw = second.offeredDraw = 0;
9101 /* If this is an ICS game, only ICS can really say it's done;
9102 if not, anyone can. */
9103 isIcsGame = (gameMode == IcsPlayingWhite ||
9104 gameMode == IcsPlayingBlack ||
9105 gameMode == IcsObserving ||
9106 gameMode == IcsExamining);
9108 if (!isIcsGame || whosays == GE_ICS) {
9109 /* OK -- not an ICS game, or ICS said it was done */
9111 if (!isIcsGame && !appData.noChessProgram)
9112 SetUserThinkingEnables();
9114 /* [HGM] if a machine claims the game end we verify this claim */
9115 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9116 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9118 ChessMove trueResult = (ChessMove) -1;
9120 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9121 first.twoMachinesColor[0] :
9122 second.twoMachinesColor[0] ;
9124 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9125 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9126 /* [HGM] verify: engine mate claims accepted if they were flagged */
9127 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9129 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9130 /* [HGM] verify: engine mate claims accepted if they were flagged */
9131 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9133 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9134 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9137 // now verify win claims, but not in drop games, as we don't understand those yet
9138 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9139 || gameInfo.variant == VariantGreat) &&
9140 (result == WhiteWins && claimer == 'w' ||
9141 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9142 if (appData.debugMode) {
9143 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9144 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9146 if(result != trueResult) {
9147 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9148 result = claimer == 'w' ? BlackWins : WhiteWins;
9149 resultDetails = buf;
9152 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9153 && (forwardMostMove <= backwardMostMove ||
9154 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9155 (claimer=='b')==(forwardMostMove&1))
9157 /* [HGM] verify: draws that were not flagged are false claims */
9158 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9159 result = claimer == 'w' ? BlackWins : WhiteWins;
9160 resultDetails = buf;
9162 /* (Claiming a loss is accepted no questions asked!) */
9164 /* [HGM] bare: don't allow bare King to win */
9165 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9166 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9167 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9168 && result != GameIsDrawn)
9169 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9170 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9171 int p = (signed char)boards[forwardMostMove][i][j] - color;
9172 if(p >= 0 && p <= (int)WhiteKing) k++;
9174 if (appData.debugMode) {
9175 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9176 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9179 result = GameIsDrawn;
9180 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9181 resultDetails = buf;
9187 if(serverMoves != NULL && !loadFlag) { char c = '=';
9188 if(result==WhiteWins) c = '+';
9189 if(result==BlackWins) c = '-';
9190 if(resultDetails != NULL)
9191 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9193 if (resultDetails != NULL) {
9194 gameInfo.result = result;
9195 gameInfo.resultDetails = StrSave(resultDetails);
9197 /* display last move only if game was not loaded from file */
9198 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9199 DisplayMove(currentMove - 1);
9201 if (forwardMostMove != 0) {
9202 if (gameMode != PlayFromGameFile && gameMode != EditGame
9203 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9205 if (*appData.saveGameFile != NULLCHAR) {
9206 SaveGameToFile(appData.saveGameFile, TRUE);
9207 } else if (appData.autoSaveGames) {
9210 if (*appData.savePositionFile != NULLCHAR) {
9211 SavePositionToFile(appData.savePositionFile);
9216 /* Tell program how game ended in case it is learning */
9217 /* [HGM] Moved this to after saving the PGN, just in case */
9218 /* engine died and we got here through time loss. In that */
9219 /* case we will get a fatal error writing the pipe, which */
9220 /* would otherwise lose us the PGN. */
9221 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9222 /* output during GameEnds should never be fatal anymore */
9223 if (gameMode == MachinePlaysWhite ||
9224 gameMode == MachinePlaysBlack ||
9225 gameMode == TwoMachinesPlay ||
9226 gameMode == IcsPlayingWhite ||
9227 gameMode == IcsPlayingBlack ||
9228 gameMode == BeginningOfGame) {
9230 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9232 if (first.pr != NoProc) {
9233 SendToProgram(buf, &first);
9235 if (second.pr != NoProc &&
9236 gameMode == TwoMachinesPlay) {
9237 SendToProgram(buf, &second);
9242 if (appData.icsActive) {
9243 if (appData.quietPlay &&
9244 (gameMode == IcsPlayingWhite ||
9245 gameMode == IcsPlayingBlack)) {
9246 SendToICS(ics_prefix);
9247 SendToICS("set shout 1\n");
9249 nextGameMode = IcsIdle;
9250 ics_user_moved = FALSE;
9251 /* clean up premove. It's ugly when the game has ended and the
9252 * premove highlights are still on the board.
9256 ClearPremoveHighlights();
9257 DrawPosition(FALSE, boards[currentMove]);
9259 if (whosays == GE_ICS) {
9262 if (gameMode == IcsPlayingWhite)
9264 else if(gameMode == IcsPlayingBlack)
9268 if (gameMode == IcsPlayingBlack)
9270 else if(gameMode == IcsPlayingWhite)
9277 PlayIcsUnfinishedSound();
9280 } else if (gameMode == EditGame ||
9281 gameMode == PlayFromGameFile ||
9282 gameMode == AnalyzeMode ||
9283 gameMode == AnalyzeFile) {
9284 nextGameMode = gameMode;
9286 nextGameMode = EndOfGame;
9291 nextGameMode = gameMode;
9294 if (appData.noChessProgram) {
9295 gameMode = nextGameMode;
9297 endingGame = 0; /* [HGM] crash */
9302 /* Put first chess program into idle state */
9303 if (first.pr != NoProc &&
9304 (gameMode == MachinePlaysWhite ||
9305 gameMode == MachinePlaysBlack ||
9306 gameMode == TwoMachinesPlay ||
9307 gameMode == IcsPlayingWhite ||
9308 gameMode == IcsPlayingBlack ||
9309 gameMode == BeginningOfGame)) {
9310 SendToProgram("force\n", &first);
9311 if (first.usePing) {
9313 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9314 SendToProgram(buf, &first);
9317 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9318 /* Kill off first chess program */
9319 if (first.isr != NULL)
9320 RemoveInputSource(first.isr);
9323 if (first.pr != NoProc) {
9325 DoSleep( appData.delayBeforeQuit );
9326 SendToProgram("quit\n", &first);
9327 DoSleep( appData.delayAfterQuit );
9328 DestroyChildProcess(first.pr, first.useSigterm);
9333 /* Put second chess program into idle state */
9334 if (second.pr != NoProc &&
9335 gameMode == TwoMachinesPlay) {
9336 SendToProgram("force\n", &second);
9337 if (second.usePing) {
9339 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9340 SendToProgram(buf, &second);
9343 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9344 /* Kill off second chess program */
9345 if (second.isr != NULL)
9346 RemoveInputSource(second.isr);
9349 if (second.pr != NoProc) {
9350 DoSleep( appData.delayBeforeQuit );
9351 SendToProgram("quit\n", &second);
9352 DoSleep( appData.delayAfterQuit );
9353 DestroyChildProcess(second.pr, second.useSigterm);
9358 if (matchMode && gameMode == TwoMachinesPlay) {
9361 if (first.twoMachinesColor[0] == 'w') {
9368 if (first.twoMachinesColor[0] == 'b') {
9377 if (matchGame < appData.matchGames) {
9379 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9380 tmp = first.twoMachinesColor;
9381 first.twoMachinesColor = second.twoMachinesColor;
9382 second.twoMachinesColor = tmp;
9384 gameMode = nextGameMode;
9386 if(appData.matchPause>10000 || appData.matchPause<10)
9387 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9388 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9389 endingGame = 0; /* [HGM] crash */
9392 gameMode = nextGameMode;
9393 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9394 first.tidy, second.tidy,
9395 first.matchWins, second.matchWins,
9396 appData.matchGames - (first.matchWins + second.matchWins));
9397 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9400 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9401 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9403 gameMode = nextGameMode;
9405 endingGame = 0; /* [HGM] crash */
9406 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9407 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9408 matchMode = FALSE; appData.matchGames = matchGame = 0;
9414 /* Assumes program was just initialized (initString sent).
9415 Leaves program in force mode. */
9417 FeedMovesToProgram(cps, upto)
9418 ChessProgramState *cps;
9423 if (appData.debugMode)
9424 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9425 startedFromSetupPosition ? "position and " : "",
9426 backwardMostMove, upto, cps->which);
9427 if(currentlyInitializedVariant != gameInfo.variant) {
9429 // [HGM] variantswitch: make engine aware of new variant
9430 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9431 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9432 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9433 SendToProgram(buf, cps);
9434 currentlyInitializedVariant = gameInfo.variant;
9436 SendToProgram("force\n", cps);
9437 if (startedFromSetupPosition) {
9438 SendBoard(cps, backwardMostMove);
9439 if (appData.debugMode) {
9440 fprintf(debugFP, "feedMoves\n");
9443 for (i = backwardMostMove; i < upto; i++) {
9444 SendMoveToProgram(i, cps);
9450 ResurrectChessProgram()
9452 /* The chess program may have exited.
9453 If so, restart it and feed it all the moves made so far. */
9455 if (appData.noChessProgram || first.pr != NoProc) return;
9457 StartChessProgram(&first);
9458 InitChessProgram(&first, FALSE);
9459 FeedMovesToProgram(&first, currentMove);
9461 if (!first.sendTime) {
9462 /* can't tell gnuchess what its clock should read,
9463 so we bow to its notion. */
9465 timeRemaining[0][currentMove] = whiteTimeRemaining;
9466 timeRemaining[1][currentMove] = blackTimeRemaining;
9469 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9470 appData.icsEngineAnalyze) && first.analysisSupport) {
9471 SendToProgram("analyze\n", &first);
9472 first.analyzing = TRUE;
9485 if (appData.debugMode) {
9486 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9487 redraw, init, gameMode);
9489 CleanupTail(); // [HGM] vari: delete any stored variations
9490 pausing = pauseExamInvalid = FALSE;
9491 startedFromSetupPosition = blackPlaysFirst = FALSE;
9493 whiteFlag = blackFlag = FALSE;
9494 userOfferedDraw = FALSE;
9495 hintRequested = bookRequested = FALSE;
9496 first.maybeThinking = FALSE;
9497 second.maybeThinking = FALSE;
9498 first.bookSuspend = FALSE; // [HGM] book
9499 second.bookSuspend = FALSE;
9500 thinkOutput[0] = NULLCHAR;
9501 lastHint[0] = NULLCHAR;
9502 ClearGameInfo(&gameInfo);
9503 gameInfo.variant = StringToVariant(appData.variant);
9504 ics_user_moved = ics_clock_paused = FALSE;
9505 ics_getting_history = H_FALSE;
9507 white_holding[0] = black_holding[0] = NULLCHAR;
9508 ClearProgramStats();
9509 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9513 flipView = appData.flipView;
9514 ClearPremoveHighlights();
9516 alarmSounded = FALSE;
9518 GameEnds(EndOfFile, NULL, GE_PLAYER);
9519 if(appData.serverMovesName != NULL) {
9520 /* [HGM] prepare to make moves file for broadcasting */
9521 clock_t t = clock();
9522 if(serverMoves != NULL) fclose(serverMoves);
9523 serverMoves = fopen(appData.serverMovesName, "r");
9524 if(serverMoves != NULL) {
9525 fclose(serverMoves);
9526 /* delay 15 sec before overwriting, so all clients can see end */
9527 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9529 serverMoves = fopen(appData.serverMovesName, "w");
9533 gameMode = BeginningOfGame;
9535 if(appData.icsActive) gameInfo.variant = VariantNormal;
9536 currentMove = forwardMostMove = backwardMostMove = 0;
9537 InitPosition(redraw);
9538 for (i = 0; i < MAX_MOVES; i++) {
9539 if (commentList[i] != NULL) {
9540 free(commentList[i]);
9541 commentList[i] = NULL;
9545 timeRemaining[0][0] = whiteTimeRemaining;
9546 timeRemaining[1][0] = blackTimeRemaining;
9547 if (first.pr == NULL) {
9548 StartChessProgram(&first);
9551 InitChessProgram(&first, startedFromSetupPosition);
9554 DisplayMessage("", "");
9555 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9556 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9563 if (!AutoPlayOneMove())
9565 if (matchMode || appData.timeDelay == 0)
9567 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9569 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9578 int fromX, fromY, toX, toY;
9580 if (appData.debugMode) {
9581 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9584 if (gameMode != PlayFromGameFile)
9587 if (currentMove >= forwardMostMove) {
9588 gameMode = EditGame;
9591 /* [AS] Clear current move marker at the end of a game */
9592 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9597 toX = moveList[currentMove][2] - AAA;
9598 toY = moveList[currentMove][3] - ONE;
9600 if (moveList[currentMove][1] == '@') {
9601 if (appData.highlightLastMove) {
9602 SetHighlights(-1, -1, toX, toY);
9605 fromX = moveList[currentMove][0] - AAA;
9606 fromY = moveList[currentMove][1] - ONE;
9608 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9610 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9612 if (appData.highlightLastMove) {
9613 SetHighlights(fromX, fromY, toX, toY);
9616 DisplayMove(currentMove);
9617 SendMoveToProgram(currentMove++, &first);
9618 DisplayBothClocks();
9619 DrawPosition(FALSE, boards[currentMove]);
9620 // [HGM] PV info: always display, routine tests if empty
9621 DisplayComment(currentMove - 1, commentList[currentMove]);
9627 LoadGameOneMove(readAhead)
9628 ChessMove readAhead;
9630 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9631 char promoChar = NULLCHAR;
9636 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9637 gameMode != AnalyzeMode && gameMode != Training) {
9642 yyboardindex = forwardMostMove;
9643 if (readAhead != EndOfFile) {
9644 moveType = readAhead;
9646 if (gameFileFP == NULL)
9648 moveType = (ChessMove) yylex();
9654 if (appData.debugMode)
9655 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9658 /* append the comment but don't display it */
9659 AppendComment(currentMove, p, FALSE);
9662 case WhiteCapturesEnPassant:
9663 case BlackCapturesEnPassant:
9664 case WhitePromotion:
9665 case BlackPromotion:
9666 case WhiteNonPromotion:
9667 case BlackNonPromotion:
9669 case WhiteKingSideCastle:
9670 case WhiteQueenSideCastle:
9671 case BlackKingSideCastle:
9672 case BlackQueenSideCastle:
9673 case WhiteKingSideCastleWild:
9674 case WhiteQueenSideCastleWild:
9675 case BlackKingSideCastleWild:
9676 case BlackQueenSideCastleWild:
9678 case WhiteHSideCastleFR:
9679 case WhiteASideCastleFR:
9680 case BlackHSideCastleFR:
9681 case BlackASideCastleFR:
9683 if (appData.debugMode)
9684 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9685 fromX = currentMoveString[0] - AAA;
9686 fromY = currentMoveString[1] - ONE;
9687 toX = currentMoveString[2] - AAA;
9688 toY = currentMoveString[3] - ONE;
9689 promoChar = currentMoveString[4];
9694 if (appData.debugMode)
9695 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9696 fromX = moveType == WhiteDrop ?
9697 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9698 (int) CharToPiece(ToLower(currentMoveString[0]));
9700 toX = currentMoveString[2] - AAA;
9701 toY = currentMoveString[3] - ONE;
9707 case GameUnfinished:
9708 if (appData.debugMode)
9709 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9710 p = strchr(yy_text, '{');
9711 if (p == NULL) p = strchr(yy_text, '(');
9714 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9716 q = strchr(p, *p == '{' ? '}' : ')');
9717 if (q != NULL) *q = NULLCHAR;
9720 GameEnds(moveType, p, GE_FILE);
9722 if (cmailMsgLoaded) {
9724 flipView = WhiteOnMove(currentMove);
9725 if (moveType == GameUnfinished) flipView = !flipView;
9726 if (appData.debugMode)
9727 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9732 if (appData.debugMode)
9733 fprintf(debugFP, "Parser hit end of file\n");
9734 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9740 if (WhiteOnMove(currentMove)) {
9741 GameEnds(BlackWins, "Black mates", GE_FILE);
9743 GameEnds(WhiteWins, "White mates", GE_FILE);
9747 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9754 if (lastLoadGameStart == GNUChessGame) {
9755 /* GNUChessGames have numbers, but they aren't move numbers */
9756 if (appData.debugMode)
9757 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9758 yy_text, (int) moveType);
9759 return LoadGameOneMove(EndOfFile); /* tail recursion */
9761 /* else fall thru */
9766 /* Reached start of next game in file */
9767 if (appData.debugMode)
9768 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9769 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9775 if (WhiteOnMove(currentMove)) {
9776 GameEnds(BlackWins, "Black mates", GE_FILE);
9778 GameEnds(WhiteWins, "White mates", GE_FILE);
9782 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9788 case PositionDiagram: /* should not happen; ignore */
9789 case ElapsedTime: /* ignore */
9790 case NAG: /* ignore */
9791 if (appData.debugMode)
9792 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9793 yy_text, (int) moveType);
9794 return LoadGameOneMove(EndOfFile); /* tail recursion */
9797 if (appData.testLegality) {
9798 if (appData.debugMode)
9799 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9800 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9801 (forwardMostMove / 2) + 1,
9802 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9803 DisplayError(move, 0);
9806 if (appData.debugMode)
9807 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9808 yy_text, currentMoveString);
9809 fromX = currentMoveString[0] - AAA;
9810 fromY = currentMoveString[1] - ONE;
9811 toX = currentMoveString[2] - AAA;
9812 toY = currentMoveString[3] - ONE;
9813 promoChar = currentMoveString[4];
9818 if (appData.debugMode)
9819 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9820 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9821 (forwardMostMove / 2) + 1,
9822 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9823 DisplayError(move, 0);
9828 case ImpossibleMove:
9829 if (appData.debugMode)
9830 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9831 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9832 (forwardMostMove / 2) + 1,
9833 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9834 DisplayError(move, 0);
9840 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9841 DrawPosition(FALSE, boards[currentMove]);
9842 DisplayBothClocks();
9843 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9844 DisplayComment(currentMove - 1, commentList[currentMove]);
9846 (void) StopLoadGameTimer();
9848 cmailOldMove = forwardMostMove;
9851 /* currentMoveString is set as a side-effect of yylex */
9852 strcat(currentMoveString, "\n");
9853 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9855 thinkOutput[0] = NULLCHAR;
9856 MakeMove(fromX, fromY, toX, toY, promoChar);
9857 currentMove = forwardMostMove;
9862 /* Load the nth game from the given file */
9864 LoadGameFromFile(filename, n, title, useList)
9868 /*Boolean*/ int useList;
9873 if (strcmp(filename, "-") == 0) {
9877 f = fopen(filename, "rb");
9879 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9880 DisplayError(buf, errno);
9884 if (fseek(f, 0, 0) == -1) {
9885 /* f is not seekable; probably a pipe */
9888 if (useList && n == 0) {
9889 int error = GameListBuild(f);
9891 DisplayError(_("Cannot build game list"), error);
9892 } else if (!ListEmpty(&gameList) &&
9893 ((ListGame *) gameList.tailPred)->number > 1) {
9894 GameListPopUp(f, title);
9901 return LoadGame(f, n, title, FALSE);
9906 MakeRegisteredMove()
9908 int fromX, fromY, toX, toY;
9910 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9911 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9914 if (appData.debugMode)
9915 fprintf(debugFP, "Restoring %s for game %d\n",
9916 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9918 thinkOutput[0] = NULLCHAR;
9919 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9920 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9921 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9922 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9923 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9924 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9925 MakeMove(fromX, fromY, toX, toY, promoChar);
9926 ShowMove(fromX, fromY, toX, toY);
9928 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9935 if (WhiteOnMove(currentMove)) {
9936 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9938 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9943 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9950 if (WhiteOnMove(currentMove)) {
9951 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9953 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9958 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9969 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9971 CmailLoadGame(f, gameNumber, title, useList)
9979 if (gameNumber > nCmailGames) {
9980 DisplayError(_("No more games in this message"), 0);
9983 if (f == lastLoadGameFP) {
9984 int offset = gameNumber - lastLoadGameNumber;
9986 cmailMsg[0] = NULLCHAR;
9987 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9988 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9989 nCmailMovesRegistered--;
9991 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9992 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9993 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9996 if (! RegisterMove()) return FALSE;
10000 retVal = LoadGame(f, gameNumber, title, useList);
10002 /* Make move registered during previous look at this game, if any */
10003 MakeRegisteredMove();
10005 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10006 commentList[currentMove]
10007 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10008 DisplayComment(currentMove - 1, commentList[currentMove]);
10014 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10019 int gameNumber = lastLoadGameNumber + offset;
10020 if (lastLoadGameFP == NULL) {
10021 DisplayError(_("No game has been loaded yet"), 0);
10024 if (gameNumber <= 0) {
10025 DisplayError(_("Can't back up any further"), 0);
10028 if (cmailMsgLoaded) {
10029 return CmailLoadGame(lastLoadGameFP, gameNumber,
10030 lastLoadGameTitle, lastLoadGameUseList);
10032 return LoadGame(lastLoadGameFP, gameNumber,
10033 lastLoadGameTitle, lastLoadGameUseList);
10039 /* Load the nth game from open file f */
10041 LoadGame(f, gameNumber, title, useList)
10049 int gn = gameNumber;
10050 ListGame *lg = NULL;
10051 int numPGNTags = 0;
10053 GameMode oldGameMode;
10054 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10056 if (appData.debugMode)
10057 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10059 if (gameMode == Training )
10060 SetTrainingModeOff();
10062 oldGameMode = gameMode;
10063 if (gameMode != BeginningOfGame) {
10064 Reset(FALSE, TRUE);
10068 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10069 fclose(lastLoadGameFP);
10073 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10076 fseek(f, lg->offset, 0);
10077 GameListHighlight(gameNumber);
10081 DisplayError(_("Game number out of range"), 0);
10086 if (fseek(f, 0, 0) == -1) {
10087 if (f == lastLoadGameFP ?
10088 gameNumber == lastLoadGameNumber + 1 :
10092 DisplayError(_("Can't seek on game file"), 0);
10097 lastLoadGameFP = f;
10098 lastLoadGameNumber = gameNumber;
10099 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10100 lastLoadGameUseList = useList;
10104 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10105 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10106 lg->gameInfo.black);
10108 } else if (*title != NULLCHAR) {
10109 if (gameNumber > 1) {
10110 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10113 DisplayTitle(title);
10117 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10118 gameMode = PlayFromGameFile;
10122 currentMove = forwardMostMove = backwardMostMove = 0;
10123 CopyBoard(boards[0], initialPosition);
10127 * Skip the first gn-1 games in the file.
10128 * Also skip over anything that precedes an identifiable
10129 * start of game marker, to avoid being confused by
10130 * garbage at the start of the file. Currently
10131 * recognized start of game markers are the move number "1",
10132 * the pattern "gnuchess .* game", the pattern
10133 * "^[#;%] [^ ]* game file", and a PGN tag block.
10134 * A game that starts with one of the latter two patterns
10135 * will also have a move number 1, possibly
10136 * following a position diagram.
10137 * 5-4-02: Let's try being more lenient and allowing a game to
10138 * start with an unnumbered move. Does that break anything?
10140 cm = lastLoadGameStart = EndOfFile;
10142 yyboardindex = forwardMostMove;
10143 cm = (ChessMove) yylex();
10146 if (cmailMsgLoaded) {
10147 nCmailGames = CMAIL_MAX_GAMES - gn;
10150 DisplayError(_("Game not found in file"), 0);
10157 lastLoadGameStart = cm;
10160 case MoveNumberOne:
10161 switch (lastLoadGameStart) {
10166 case MoveNumberOne:
10168 gn--; /* count this game */
10169 lastLoadGameStart = cm;
10178 switch (lastLoadGameStart) {
10181 case MoveNumberOne:
10183 gn--; /* count this game */
10184 lastLoadGameStart = cm;
10187 lastLoadGameStart = cm; /* game counted already */
10195 yyboardindex = forwardMostMove;
10196 cm = (ChessMove) yylex();
10197 } while (cm == PGNTag || cm == Comment);
10204 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10205 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10206 != CMAIL_OLD_RESULT) {
10208 cmailResult[ CMAIL_MAX_GAMES
10209 - gn - 1] = CMAIL_OLD_RESULT;
10215 /* Only a NormalMove can be at the start of a game
10216 * without a position diagram. */
10217 if (lastLoadGameStart == EndOfFile ) {
10219 lastLoadGameStart = MoveNumberOne;
10228 if (appData.debugMode)
10229 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10231 if (cm == XBoardGame) {
10232 /* Skip any header junk before position diagram and/or move 1 */
10234 yyboardindex = forwardMostMove;
10235 cm = (ChessMove) yylex();
10237 if (cm == EndOfFile ||
10238 cm == GNUChessGame || cm == XBoardGame) {
10239 /* Empty game; pretend end-of-file and handle later */
10244 if (cm == MoveNumberOne || cm == PositionDiagram ||
10245 cm == PGNTag || cm == Comment)
10248 } else if (cm == GNUChessGame) {
10249 if (gameInfo.event != NULL) {
10250 free(gameInfo.event);
10252 gameInfo.event = StrSave(yy_text);
10255 startedFromSetupPosition = FALSE;
10256 while (cm == PGNTag) {
10257 if (appData.debugMode)
10258 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10259 err = ParsePGNTag(yy_text, &gameInfo);
10260 if (!err) numPGNTags++;
10262 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10263 if(gameInfo.variant != oldVariant) {
10264 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10265 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10266 InitPosition(TRUE);
10267 oldVariant = gameInfo.variant;
10268 if (appData.debugMode)
10269 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10273 if (gameInfo.fen != NULL) {
10274 Board initial_position;
10275 startedFromSetupPosition = TRUE;
10276 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10278 DisplayError(_("Bad FEN position in file"), 0);
10281 CopyBoard(boards[0], initial_position);
10282 if (blackPlaysFirst) {
10283 currentMove = forwardMostMove = backwardMostMove = 1;
10284 CopyBoard(boards[1], initial_position);
10285 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10286 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10287 timeRemaining[0][1] = whiteTimeRemaining;
10288 timeRemaining[1][1] = blackTimeRemaining;
10289 if (commentList[0] != NULL) {
10290 commentList[1] = commentList[0];
10291 commentList[0] = NULL;
10294 currentMove = forwardMostMove = backwardMostMove = 0;
10296 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10298 initialRulePlies = FENrulePlies;
10299 for( i=0; i< nrCastlingRights; i++ )
10300 initialRights[i] = initial_position[CASTLING][i];
10302 yyboardindex = forwardMostMove;
10303 free(gameInfo.fen);
10304 gameInfo.fen = NULL;
10307 yyboardindex = forwardMostMove;
10308 cm = (ChessMove) yylex();
10310 /* Handle comments interspersed among the tags */
10311 while (cm == Comment) {
10313 if (appData.debugMode)
10314 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10316 AppendComment(currentMove, p, FALSE);
10317 yyboardindex = forwardMostMove;
10318 cm = (ChessMove) yylex();
10322 /* don't rely on existence of Event tag since if game was
10323 * pasted from clipboard the Event tag may not exist
10325 if (numPGNTags > 0){
10327 if (gameInfo.variant == VariantNormal) {
10328 VariantClass v = StringToVariant(gameInfo.event);
10329 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10330 if(v < VariantShogi) gameInfo.variant = v;
10333 if( appData.autoDisplayTags ) {
10334 tags = PGNTags(&gameInfo);
10335 TagsPopUp(tags, CmailMsg());
10340 /* Make something up, but don't display it now */
10345 if (cm == PositionDiagram) {
10348 Board initial_position;
10350 if (appData.debugMode)
10351 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10353 if (!startedFromSetupPosition) {
10355 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10356 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10366 initial_position[i][j++] = CharToPiece(*p);
10369 while (*p == ' ' || *p == '\t' ||
10370 *p == '\n' || *p == '\r') p++;
10372 if (strncmp(p, "black", strlen("black"))==0)
10373 blackPlaysFirst = TRUE;
10375 blackPlaysFirst = FALSE;
10376 startedFromSetupPosition = TRUE;
10378 CopyBoard(boards[0], initial_position);
10379 if (blackPlaysFirst) {
10380 currentMove = forwardMostMove = backwardMostMove = 1;
10381 CopyBoard(boards[1], initial_position);
10382 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10383 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10384 timeRemaining[0][1] = whiteTimeRemaining;
10385 timeRemaining[1][1] = blackTimeRemaining;
10386 if (commentList[0] != NULL) {
10387 commentList[1] = commentList[0];
10388 commentList[0] = NULL;
10391 currentMove = forwardMostMove = backwardMostMove = 0;
10394 yyboardindex = forwardMostMove;
10395 cm = (ChessMove) yylex();
10398 if (first.pr == NoProc) {
10399 StartChessProgram(&first);
10401 InitChessProgram(&first, FALSE);
10402 SendToProgram("force\n", &first);
10403 if (startedFromSetupPosition) {
10404 SendBoard(&first, forwardMostMove);
10405 if (appData.debugMode) {
10406 fprintf(debugFP, "Load Game\n");
10408 DisplayBothClocks();
10411 /* [HGM] server: flag to write setup moves in broadcast file as one */
10412 loadFlag = appData.suppressLoadMoves;
10414 while (cm == Comment) {
10416 if (appData.debugMode)
10417 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10419 AppendComment(currentMove, p, FALSE);
10420 yyboardindex = forwardMostMove;
10421 cm = (ChessMove) yylex();
10424 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10425 cm == WhiteWins || cm == BlackWins ||
10426 cm == GameIsDrawn || cm == GameUnfinished) {
10427 DisplayMessage("", _("No moves in game"));
10428 if (cmailMsgLoaded) {
10429 if (appData.debugMode)
10430 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10434 DrawPosition(FALSE, boards[currentMove]);
10435 DisplayBothClocks();
10436 gameMode = EditGame;
10443 // [HGM] PV info: routine tests if comment empty
10444 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10445 DisplayComment(currentMove - 1, commentList[currentMove]);
10447 if (!matchMode && appData.timeDelay != 0)
10448 DrawPosition(FALSE, boards[currentMove]);
10450 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10451 programStats.ok_to_send = 1;
10454 /* if the first token after the PGN tags is a move
10455 * and not move number 1, retrieve it from the parser
10457 if (cm != MoveNumberOne)
10458 LoadGameOneMove(cm);
10460 /* load the remaining moves from the file */
10461 while (LoadGameOneMove(EndOfFile)) {
10462 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10463 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10466 /* rewind to the start of the game */
10467 currentMove = backwardMostMove;
10469 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10471 if (oldGameMode == AnalyzeFile ||
10472 oldGameMode == AnalyzeMode) {
10473 AnalyzeFileEvent();
10476 if (matchMode || appData.timeDelay == 0) {
10478 gameMode = EditGame;
10480 } else if (appData.timeDelay > 0) {
10481 AutoPlayGameLoop();
10484 if (appData.debugMode)
10485 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10487 loadFlag = 0; /* [HGM] true game starts */
10491 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10493 ReloadPosition(offset)
10496 int positionNumber = lastLoadPositionNumber + offset;
10497 if (lastLoadPositionFP == NULL) {
10498 DisplayError(_("No position has been loaded yet"), 0);
10501 if (positionNumber <= 0) {
10502 DisplayError(_("Can't back up any further"), 0);
10505 return LoadPosition(lastLoadPositionFP, positionNumber,
10506 lastLoadPositionTitle);
10509 /* Load the nth position from the given file */
10511 LoadPositionFromFile(filename, n, title)
10519 if (strcmp(filename, "-") == 0) {
10520 return LoadPosition(stdin, n, "stdin");
10522 f = fopen(filename, "rb");
10524 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10525 DisplayError(buf, errno);
10528 return LoadPosition(f, n, title);
10533 /* Load the nth position from the given open file, and close it */
10535 LoadPosition(f, positionNumber, title)
10537 int positionNumber;
10540 char *p, line[MSG_SIZ];
10541 Board initial_position;
10542 int i, j, fenMode, pn;
10544 if (gameMode == Training )
10545 SetTrainingModeOff();
10547 if (gameMode != BeginningOfGame) {
10548 Reset(FALSE, TRUE);
10550 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10551 fclose(lastLoadPositionFP);
10553 if (positionNumber == 0) positionNumber = 1;
10554 lastLoadPositionFP = f;
10555 lastLoadPositionNumber = positionNumber;
10556 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10557 if (first.pr == NoProc) {
10558 StartChessProgram(&first);
10559 InitChessProgram(&first, FALSE);
10561 pn = positionNumber;
10562 if (positionNumber < 0) {
10563 /* Negative position number means to seek to that byte offset */
10564 if (fseek(f, -positionNumber, 0) == -1) {
10565 DisplayError(_("Can't seek on position file"), 0);
10570 if (fseek(f, 0, 0) == -1) {
10571 if (f == lastLoadPositionFP ?
10572 positionNumber == lastLoadPositionNumber + 1 :
10573 positionNumber == 1) {
10576 DisplayError(_("Can't seek on position file"), 0);
10581 /* See if this file is FEN or old-style xboard */
10582 if (fgets(line, MSG_SIZ, f) == NULL) {
10583 DisplayError(_("Position not found in file"), 0);
10586 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10587 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10590 if (fenMode || line[0] == '#') pn--;
10592 /* skip positions before number pn */
10593 if (fgets(line, MSG_SIZ, f) == NULL) {
10595 DisplayError(_("Position not found in file"), 0);
10598 if (fenMode || line[0] == '#') pn--;
10603 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10604 DisplayError(_("Bad FEN position in file"), 0);
10608 (void) fgets(line, MSG_SIZ, f);
10609 (void) fgets(line, MSG_SIZ, f);
10611 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10612 (void) fgets(line, MSG_SIZ, f);
10613 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10616 initial_position[i][j++] = CharToPiece(*p);
10620 blackPlaysFirst = FALSE;
10622 (void) fgets(line, MSG_SIZ, f);
10623 if (strncmp(line, "black", strlen("black"))==0)
10624 blackPlaysFirst = TRUE;
10627 startedFromSetupPosition = TRUE;
10629 SendToProgram("force\n", &first);
10630 CopyBoard(boards[0], initial_position);
10631 if (blackPlaysFirst) {
10632 currentMove = forwardMostMove = backwardMostMove = 1;
10633 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10634 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10635 CopyBoard(boards[1], initial_position);
10636 DisplayMessage("", _("Black to play"));
10638 currentMove = forwardMostMove = backwardMostMove = 0;
10639 DisplayMessage("", _("White to play"));
10641 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10642 SendBoard(&first, forwardMostMove);
10643 if (appData.debugMode) {
10645 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10646 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10647 fprintf(debugFP, "Load Position\n");
10650 if (positionNumber > 1) {
10651 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10652 DisplayTitle(line);
10654 DisplayTitle(title);
10656 gameMode = EditGame;
10659 timeRemaining[0][1] = whiteTimeRemaining;
10660 timeRemaining[1][1] = blackTimeRemaining;
10661 DrawPosition(FALSE, boards[currentMove]);
10668 CopyPlayerNameIntoFileName(dest, src)
10671 while (*src != NULLCHAR && *src != ',') {
10676 *(*dest)++ = *src++;
10681 char *DefaultFileName(ext)
10684 static char def[MSG_SIZ];
10687 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10689 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10691 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10693 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10700 /* Save the current game to the given file */
10702 SaveGameToFile(filename, append)
10709 if (strcmp(filename, "-") == 0) {
10710 return SaveGame(stdout, 0, NULL);
10712 f = fopen(filename, append ? "a" : "w");
10714 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10715 DisplayError(buf, errno);
10718 return SaveGame(f, 0, NULL);
10727 static char buf[MSG_SIZ];
10730 p = strchr(str, ' ');
10731 if (p == NULL) return str;
10732 strncpy(buf, str, p - str);
10733 buf[p - str] = NULLCHAR;
10737 #define PGN_MAX_LINE 75
10739 #define PGN_SIDE_WHITE 0
10740 #define PGN_SIDE_BLACK 1
10743 static int FindFirstMoveOutOfBook( int side )
10747 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10748 int index = backwardMostMove;
10749 int has_book_hit = 0;
10751 if( (index % 2) != side ) {
10755 while( index < forwardMostMove ) {
10756 /* Check to see if engine is in book */
10757 int depth = pvInfoList[index].depth;
10758 int score = pvInfoList[index].score;
10764 else if( score == 0 && depth == 63 ) {
10765 in_book = 1; /* Zappa */
10767 else if( score == 2 && depth == 99 ) {
10768 in_book = 1; /* Abrok */
10771 has_book_hit += in_book;
10787 void GetOutOfBookInfo( char * buf )
10791 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10793 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10794 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10798 if( oob[0] >= 0 || oob[1] >= 0 ) {
10799 for( i=0; i<2; i++ ) {
10803 if( i > 0 && oob[0] >= 0 ) {
10804 strcat( buf, " " );
10807 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10808 sprintf( buf+strlen(buf), "%s%.2f",
10809 pvInfoList[idx].score >= 0 ? "+" : "",
10810 pvInfoList[idx].score / 100.0 );
10816 /* Save game in PGN style and close the file */
10821 int i, offset, linelen, newblock;
10825 int movelen, numlen, blank;
10826 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10828 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10830 tm = time((time_t *) NULL);
10832 PrintPGNTags(f, &gameInfo);
10834 if (backwardMostMove > 0 || startedFromSetupPosition) {
10835 char *fen = PositionToFEN(backwardMostMove, NULL);
10836 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10837 fprintf(f, "\n{--------------\n");
10838 PrintPosition(f, backwardMostMove);
10839 fprintf(f, "--------------}\n");
10843 /* [AS] Out of book annotation */
10844 if( appData.saveOutOfBookInfo ) {
10847 GetOutOfBookInfo( buf );
10849 if( buf[0] != '\0' ) {
10850 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10857 i = backwardMostMove;
10861 while (i < forwardMostMove) {
10862 /* Print comments preceding this move */
10863 if (commentList[i] != NULL) {
10864 if (linelen > 0) fprintf(f, "\n");
10865 fprintf(f, "%s", commentList[i]);
10870 /* Format move number */
10872 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10875 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10877 numtext[0] = NULLCHAR;
10879 numlen = strlen(numtext);
10882 /* Print move number */
10883 blank = linelen > 0 && numlen > 0;
10884 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10893 fprintf(f, "%s", numtext);
10897 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10898 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10901 blank = linelen > 0 && movelen > 0;
10902 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10911 fprintf(f, "%s", move_buffer);
10912 linelen += movelen;
10914 /* [AS] Add PV info if present */
10915 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10916 /* [HGM] add time */
10917 char buf[MSG_SIZ]; int seconds;
10919 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10925 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10928 seconds = (seconds + 4)/10; // round to full seconds
10930 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10932 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10935 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10936 pvInfoList[i].score >= 0 ? "+" : "",
10937 pvInfoList[i].score / 100.0,
10938 pvInfoList[i].depth,
10941 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10943 /* Print score/depth */
10944 blank = linelen > 0 && movelen > 0;
10945 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10954 fprintf(f, "%s", move_buffer);
10955 linelen += movelen;
10961 /* Start a new line */
10962 if (linelen > 0) fprintf(f, "\n");
10964 /* Print comments after last move */
10965 if (commentList[i] != NULL) {
10966 fprintf(f, "%s\n", commentList[i]);
10970 if (gameInfo.resultDetails != NULL &&
10971 gameInfo.resultDetails[0] != NULLCHAR) {
10972 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10973 PGNResult(gameInfo.result));
10975 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10979 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10983 /* Save game in old style and close the file */
10985 SaveGameOldStyle(f)
10991 tm = time((time_t *) NULL);
10993 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10996 if (backwardMostMove > 0 || startedFromSetupPosition) {
10997 fprintf(f, "\n[--------------\n");
10998 PrintPosition(f, backwardMostMove);
10999 fprintf(f, "--------------]\n");
11004 i = backwardMostMove;
11005 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11007 while (i < forwardMostMove) {
11008 if (commentList[i] != NULL) {
11009 fprintf(f, "[%s]\n", commentList[i]);
11012 if ((i % 2) == 1) {
11013 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11016 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11018 if (commentList[i] != NULL) {
11022 if (i >= forwardMostMove) {
11026 fprintf(f, "%s\n", parseList[i]);
11031 if (commentList[i] != NULL) {
11032 fprintf(f, "[%s]\n", commentList[i]);
11035 /* This isn't really the old style, but it's close enough */
11036 if (gameInfo.resultDetails != NULL &&
11037 gameInfo.resultDetails[0] != NULLCHAR) {
11038 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11039 gameInfo.resultDetails);
11041 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11048 /* Save the current game to open file f and close the file */
11050 SaveGame(f, dummy, dummy2)
11055 if (gameMode == EditPosition) EditPositionDone(TRUE);
11056 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11057 if (appData.oldSaveStyle)
11058 return SaveGameOldStyle(f);
11060 return SaveGamePGN(f);
11063 /* Save the current position to the given file */
11065 SavePositionToFile(filename)
11071 if (strcmp(filename, "-") == 0) {
11072 return SavePosition(stdout, 0, NULL);
11074 f = fopen(filename, "a");
11076 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11077 DisplayError(buf, errno);
11080 SavePosition(f, 0, NULL);
11086 /* Save the current position to the given open file and close the file */
11088 SavePosition(f, dummy, dummy2)
11096 if (gameMode == EditPosition) EditPositionDone(TRUE);
11097 if (appData.oldSaveStyle) {
11098 tm = time((time_t *) NULL);
11100 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11102 fprintf(f, "[--------------\n");
11103 PrintPosition(f, currentMove);
11104 fprintf(f, "--------------]\n");
11106 fen = PositionToFEN(currentMove, NULL);
11107 fprintf(f, "%s\n", fen);
11115 ReloadCmailMsgEvent(unregister)
11119 static char *inFilename = NULL;
11120 static char *outFilename;
11122 struct stat inbuf, outbuf;
11125 /* Any registered moves are unregistered if unregister is set, */
11126 /* i.e. invoked by the signal handler */
11128 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11129 cmailMoveRegistered[i] = FALSE;
11130 if (cmailCommentList[i] != NULL) {
11131 free(cmailCommentList[i]);
11132 cmailCommentList[i] = NULL;
11135 nCmailMovesRegistered = 0;
11138 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11139 cmailResult[i] = CMAIL_NOT_RESULT;
11143 if (inFilename == NULL) {
11144 /* Because the filenames are static they only get malloced once */
11145 /* and they never get freed */
11146 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11147 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11149 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11150 sprintf(outFilename, "%s.out", appData.cmailGameName);
11153 status = stat(outFilename, &outbuf);
11155 cmailMailedMove = FALSE;
11157 status = stat(inFilename, &inbuf);
11158 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11161 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11162 counts the games, notes how each one terminated, etc.
11164 It would be nice to remove this kludge and instead gather all
11165 the information while building the game list. (And to keep it
11166 in the game list nodes instead of having a bunch of fixed-size
11167 parallel arrays.) Note this will require getting each game's
11168 termination from the PGN tags, as the game list builder does
11169 not process the game moves. --mann
11171 cmailMsgLoaded = TRUE;
11172 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11174 /* Load first game in the file or popup game menu */
11175 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11177 #endif /* !WIN32 */
11185 char string[MSG_SIZ];
11187 if ( cmailMailedMove
11188 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11189 return TRUE; /* Allow free viewing */
11192 /* Unregister move to ensure that we don't leave RegisterMove */
11193 /* with the move registered when the conditions for registering no */
11195 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11196 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11197 nCmailMovesRegistered --;
11199 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11201 free(cmailCommentList[lastLoadGameNumber - 1]);
11202 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11206 if (cmailOldMove == -1) {
11207 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11211 if (currentMove > cmailOldMove + 1) {
11212 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11216 if (currentMove < cmailOldMove) {
11217 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11221 if (forwardMostMove > currentMove) {
11222 /* Silently truncate extra moves */
11226 if ( (currentMove == cmailOldMove + 1)
11227 || ( (currentMove == cmailOldMove)
11228 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11229 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11230 if (gameInfo.result != GameUnfinished) {
11231 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11234 if (commentList[currentMove] != NULL) {
11235 cmailCommentList[lastLoadGameNumber - 1]
11236 = StrSave(commentList[currentMove]);
11238 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11240 if (appData.debugMode)
11241 fprintf(debugFP, "Saving %s for game %d\n",
11242 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11244 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11246 f = fopen(string, "w");
11247 if (appData.oldSaveStyle) {
11248 SaveGameOldStyle(f); /* also closes the file */
11250 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11251 f = fopen(string, "w");
11252 SavePosition(f, 0, NULL); /* also closes the file */
11254 fprintf(f, "{--------------\n");
11255 PrintPosition(f, currentMove);
11256 fprintf(f, "--------------}\n\n");
11258 SaveGame(f, 0, NULL); /* also closes the file*/
11261 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11262 nCmailMovesRegistered ++;
11263 } else if (nCmailGames == 1) {
11264 DisplayError(_("You have not made a move yet"), 0);
11275 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11276 FILE *commandOutput;
11277 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11278 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11284 if (! cmailMsgLoaded) {
11285 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11289 if (nCmailGames == nCmailResults) {
11290 DisplayError(_("No unfinished games"), 0);
11294 #if CMAIL_PROHIBIT_REMAIL
11295 if (cmailMailedMove) {
11296 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);
11297 DisplayError(msg, 0);
11302 if (! (cmailMailedMove || RegisterMove())) return;
11304 if ( cmailMailedMove
11305 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11306 snprintf(string, MSG_SIZ, partCommandString,
11307 appData.debugMode ? " -v" : "", appData.cmailGameName);
11308 commandOutput = popen(string, "r");
11310 if (commandOutput == NULL) {
11311 DisplayError(_("Failed to invoke cmail"), 0);
11313 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11314 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11316 if (nBuffers > 1) {
11317 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11318 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11319 nBytes = MSG_SIZ - 1;
11321 (void) memcpy(msg, buffer, nBytes);
11323 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11325 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11326 cmailMailedMove = TRUE; /* Prevent >1 moves */
11329 for (i = 0; i < nCmailGames; i ++) {
11330 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11335 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11337 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11339 appData.cmailGameName,
11341 LoadGameFromFile(buffer, 1, buffer, FALSE);
11342 cmailMsgLoaded = FALSE;
11346 DisplayInformation(msg);
11347 pclose(commandOutput);
11350 if ((*cmailMsg) != '\0') {
11351 DisplayInformation(cmailMsg);
11356 #endif /* !WIN32 */
11365 int prependComma = 0;
11367 char string[MSG_SIZ]; /* Space for game-list */
11370 if (!cmailMsgLoaded) return "";
11372 if (cmailMailedMove) {
11373 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11375 /* Create a list of games left */
11376 snprintf(string, MSG_SIZ, "[");
11377 for (i = 0; i < nCmailGames; i ++) {
11378 if (! ( cmailMoveRegistered[i]
11379 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11380 if (prependComma) {
11381 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11383 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11387 strcat(string, number);
11390 strcat(string, "]");
11392 if (nCmailMovesRegistered + nCmailResults == 0) {
11393 switch (nCmailGames) {
11395 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11399 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11403 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11408 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11410 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11415 if (nCmailResults == nCmailGames) {
11416 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11418 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11423 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11435 if (gameMode == Training)
11436 SetTrainingModeOff();
11439 cmailMsgLoaded = FALSE;
11440 if (appData.icsActive) {
11441 SendToICS(ics_prefix);
11442 SendToICS("refresh\n");
11452 /* Give up on clean exit */
11456 /* Keep trying for clean exit */
11460 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11462 if (telnetISR != NULL) {
11463 RemoveInputSource(telnetISR);
11465 if (icsPR != NoProc) {
11466 DestroyChildProcess(icsPR, TRUE);
11469 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11470 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11472 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11473 /* make sure this other one finishes before killing it! */
11474 if(endingGame) { int count = 0;
11475 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11476 while(endingGame && count++ < 10) DoSleep(1);
11477 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11480 /* Kill off chess programs */
11481 if (first.pr != NoProc) {
11484 DoSleep( appData.delayBeforeQuit );
11485 SendToProgram("quit\n", &first);
11486 DoSleep( appData.delayAfterQuit );
11487 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11489 if (second.pr != NoProc) {
11490 DoSleep( appData.delayBeforeQuit );
11491 SendToProgram("quit\n", &second);
11492 DoSleep( appData.delayAfterQuit );
11493 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11495 if (first.isr != NULL) {
11496 RemoveInputSource(first.isr);
11498 if (second.isr != NULL) {
11499 RemoveInputSource(second.isr);
11502 ShutDownFrontEnd();
11509 if (appData.debugMode)
11510 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11514 if (gameMode == MachinePlaysWhite ||
11515 gameMode == MachinePlaysBlack) {
11518 DisplayBothClocks();
11520 if (gameMode == PlayFromGameFile) {
11521 if (appData.timeDelay >= 0)
11522 AutoPlayGameLoop();
11523 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11524 Reset(FALSE, TRUE);
11525 SendToICS(ics_prefix);
11526 SendToICS("refresh\n");
11527 } else if (currentMove < forwardMostMove) {
11528 ForwardInner(forwardMostMove);
11530 pauseExamInvalid = FALSE;
11532 switch (gameMode) {
11536 pauseExamForwardMostMove = forwardMostMove;
11537 pauseExamInvalid = FALSE;
11540 case IcsPlayingWhite:
11541 case IcsPlayingBlack:
11545 case PlayFromGameFile:
11546 (void) StopLoadGameTimer();
11550 case BeginningOfGame:
11551 if (appData.icsActive) return;
11552 /* else fall through */
11553 case MachinePlaysWhite:
11554 case MachinePlaysBlack:
11555 case TwoMachinesPlay:
11556 if (forwardMostMove == 0)
11557 return; /* don't pause if no one has moved */
11558 if ((gameMode == MachinePlaysWhite &&
11559 !WhiteOnMove(forwardMostMove)) ||
11560 (gameMode == MachinePlaysBlack &&
11561 WhiteOnMove(forwardMostMove))) {
11574 char title[MSG_SIZ];
11576 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11577 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11579 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11580 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11581 parseList[currentMove - 1]);
11584 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11591 char *tags = PGNTags(&gameInfo);
11592 EditTagsPopUp(tags);
11599 if (appData.noChessProgram || gameMode == AnalyzeMode)
11602 if (gameMode != AnalyzeFile) {
11603 if (!appData.icsEngineAnalyze) {
11605 if (gameMode != EditGame) return;
11607 ResurrectChessProgram();
11608 SendToProgram("analyze\n", &first);
11609 first.analyzing = TRUE;
11610 /*first.maybeThinking = TRUE;*/
11611 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11612 EngineOutputPopUp();
11614 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11619 StartAnalysisClock();
11620 GetTimeMark(&lastNodeCountTime);
11627 if (appData.noChessProgram || gameMode == AnalyzeFile)
11630 if (gameMode != AnalyzeMode) {
11632 if (gameMode != EditGame) return;
11633 ResurrectChessProgram();
11634 SendToProgram("analyze\n", &first);
11635 first.analyzing = TRUE;
11636 /*first.maybeThinking = TRUE;*/
11637 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11638 EngineOutputPopUp();
11640 gameMode = AnalyzeFile;
11645 StartAnalysisClock();
11646 GetTimeMark(&lastNodeCountTime);
11651 MachineWhiteEvent()
11654 char *bookHit = NULL;
11656 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11660 if (gameMode == PlayFromGameFile ||
11661 gameMode == TwoMachinesPlay ||
11662 gameMode == Training ||
11663 gameMode == AnalyzeMode ||
11664 gameMode == EndOfGame)
11667 if (gameMode == EditPosition)
11668 EditPositionDone(TRUE);
11670 if (!WhiteOnMove(currentMove)) {
11671 DisplayError(_("It is not White's turn"), 0);
11675 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11678 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11679 gameMode == AnalyzeFile)
11682 ResurrectChessProgram(); /* in case it isn't running */
11683 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11684 gameMode = MachinePlaysWhite;
11687 gameMode = MachinePlaysWhite;
11691 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11693 if (first.sendName) {
11694 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11695 SendToProgram(buf, &first);
11697 if (first.sendTime) {
11698 if (first.useColors) {
11699 SendToProgram("black\n", &first); /*gnu kludge*/
11701 SendTimeRemaining(&first, TRUE);
11703 if (first.useColors) {
11704 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11706 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11707 SetMachineThinkingEnables();
11708 first.maybeThinking = TRUE;
11712 if (appData.autoFlipView && !flipView) {
11713 flipView = !flipView;
11714 DrawPosition(FALSE, NULL);
11715 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11718 if(bookHit) { // [HGM] book: simulate book reply
11719 static char bookMove[MSG_SIZ]; // a bit generous?
11721 programStats.nodes = programStats.depth = programStats.time =
11722 programStats.score = programStats.got_only_move = 0;
11723 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11725 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11726 strcat(bookMove, bookHit);
11727 HandleMachineMove(bookMove, &first);
11732 MachineBlackEvent()
11735 char *bookHit = NULL;
11737 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11741 if (gameMode == PlayFromGameFile ||
11742 gameMode == TwoMachinesPlay ||
11743 gameMode == Training ||
11744 gameMode == AnalyzeMode ||
11745 gameMode == EndOfGame)
11748 if (gameMode == EditPosition)
11749 EditPositionDone(TRUE);
11751 if (WhiteOnMove(currentMove)) {
11752 DisplayError(_("It is not Black's turn"), 0);
11756 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11759 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11760 gameMode == AnalyzeFile)
11763 ResurrectChessProgram(); /* in case it isn't running */
11764 gameMode = MachinePlaysBlack;
11768 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11770 if (first.sendName) {
11771 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11772 SendToProgram(buf, &first);
11774 if (first.sendTime) {
11775 if (first.useColors) {
11776 SendToProgram("white\n", &first); /*gnu kludge*/
11778 SendTimeRemaining(&first, FALSE);
11780 if (first.useColors) {
11781 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11783 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11784 SetMachineThinkingEnables();
11785 first.maybeThinking = TRUE;
11788 if (appData.autoFlipView && flipView) {
11789 flipView = !flipView;
11790 DrawPosition(FALSE, NULL);
11791 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11793 if(bookHit) { // [HGM] book: simulate book reply
11794 static char bookMove[MSG_SIZ]; // a bit generous?
11796 programStats.nodes = programStats.depth = programStats.time =
11797 programStats.score = programStats.got_only_move = 0;
11798 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11800 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11801 strcat(bookMove, bookHit);
11802 HandleMachineMove(bookMove, &first);
11808 DisplayTwoMachinesTitle()
11811 if (appData.matchGames > 0) {
11812 if (first.twoMachinesColor[0] == 'w') {
11813 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11814 gameInfo.white, gameInfo.black,
11815 first.matchWins, second.matchWins,
11816 matchGame - 1 - (first.matchWins + second.matchWins));
11818 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11819 gameInfo.white, gameInfo.black,
11820 second.matchWins, first.matchWins,
11821 matchGame - 1 - (first.matchWins + second.matchWins));
11824 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11830 TwoMachinesEvent P((void))
11834 ChessProgramState *onmove;
11835 char *bookHit = NULL;
11837 if (appData.noChessProgram) return;
11839 switch (gameMode) {
11840 case TwoMachinesPlay:
11842 case MachinePlaysWhite:
11843 case MachinePlaysBlack:
11844 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11845 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11849 case BeginningOfGame:
11850 case PlayFromGameFile:
11853 if (gameMode != EditGame) return;
11856 EditPositionDone(TRUE);
11867 // forwardMostMove = currentMove;
11868 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11869 ResurrectChessProgram(); /* in case first program isn't running */
11871 if (second.pr == NULL) {
11872 StartChessProgram(&second);
11873 if (second.protocolVersion == 1) {
11874 TwoMachinesEventIfReady();
11876 /* kludge: allow timeout for initial "feature" command */
11878 DisplayMessage("", _("Starting second chess program"));
11879 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11883 DisplayMessage("", "");
11884 InitChessProgram(&second, FALSE);
11885 SendToProgram("force\n", &second);
11886 if (startedFromSetupPosition) {
11887 SendBoard(&second, backwardMostMove);
11888 if (appData.debugMode) {
11889 fprintf(debugFP, "Two Machines\n");
11892 for (i = backwardMostMove; i < forwardMostMove; i++) {
11893 SendMoveToProgram(i, &second);
11896 gameMode = TwoMachinesPlay;
11900 DisplayTwoMachinesTitle();
11902 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11908 SendToProgram(first.computerString, &first);
11909 if (first.sendName) {
11910 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11911 SendToProgram(buf, &first);
11913 SendToProgram(second.computerString, &second);
11914 if (second.sendName) {
11915 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11916 SendToProgram(buf, &second);
11920 if (!first.sendTime || !second.sendTime) {
11921 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11922 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11924 if (onmove->sendTime) {
11925 if (onmove->useColors) {
11926 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11928 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11930 if (onmove->useColors) {
11931 SendToProgram(onmove->twoMachinesColor, onmove);
11933 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11934 // SendToProgram("go\n", onmove);
11935 onmove->maybeThinking = TRUE;
11936 SetMachineThinkingEnables();
11940 if(bookHit) { // [HGM] book: simulate book reply
11941 static char bookMove[MSG_SIZ]; // a bit generous?
11943 programStats.nodes = programStats.depth = programStats.time =
11944 programStats.score = programStats.got_only_move = 0;
11945 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11947 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11948 strcat(bookMove, bookHit);
11949 savedMessage = bookMove; // args for deferred call
11950 savedState = onmove;
11951 ScheduleDelayedEvent(DeferredBookMove, 1);
11958 if (gameMode == Training) {
11959 SetTrainingModeOff();
11960 gameMode = PlayFromGameFile;
11961 DisplayMessage("", _("Training mode off"));
11963 gameMode = Training;
11964 animateTraining = appData.animate;
11966 /* make sure we are not already at the end of the game */
11967 if (currentMove < forwardMostMove) {
11968 SetTrainingModeOn();
11969 DisplayMessage("", _("Training mode on"));
11971 gameMode = PlayFromGameFile;
11972 DisplayError(_("Already at end of game"), 0);
11981 if (!appData.icsActive) return;
11982 switch (gameMode) {
11983 case IcsPlayingWhite:
11984 case IcsPlayingBlack:
11987 case BeginningOfGame:
11995 EditPositionDone(TRUE);
12008 gameMode = IcsIdle;
12019 switch (gameMode) {
12021 SetTrainingModeOff();
12023 case MachinePlaysWhite:
12024 case MachinePlaysBlack:
12025 case BeginningOfGame:
12026 SendToProgram("force\n", &first);
12027 SetUserThinkingEnables();
12029 case PlayFromGameFile:
12030 (void) StopLoadGameTimer();
12031 if (gameFileFP != NULL) {
12036 EditPositionDone(TRUE);
12041 SendToProgram("force\n", &first);
12043 case TwoMachinesPlay:
12044 GameEnds(EndOfFile, NULL, GE_PLAYER);
12045 ResurrectChessProgram();
12046 SetUserThinkingEnables();
12049 ResurrectChessProgram();
12051 case IcsPlayingBlack:
12052 case IcsPlayingWhite:
12053 DisplayError(_("Warning: You are still playing a game"), 0);
12056 DisplayError(_("Warning: You are still observing a game"), 0);
12059 DisplayError(_("Warning: You are still examining a game"), 0);
12070 first.offeredDraw = second.offeredDraw = 0;
12072 if (gameMode == PlayFromGameFile) {
12073 whiteTimeRemaining = timeRemaining[0][currentMove];
12074 blackTimeRemaining = timeRemaining[1][currentMove];
12078 if (gameMode == MachinePlaysWhite ||
12079 gameMode == MachinePlaysBlack ||
12080 gameMode == TwoMachinesPlay ||
12081 gameMode == EndOfGame) {
12082 i = forwardMostMove;
12083 while (i > currentMove) {
12084 SendToProgram("undo\n", &first);
12087 whiteTimeRemaining = timeRemaining[0][currentMove];
12088 blackTimeRemaining = timeRemaining[1][currentMove];
12089 DisplayBothClocks();
12090 if (whiteFlag || blackFlag) {
12091 whiteFlag = blackFlag = 0;
12096 gameMode = EditGame;
12103 EditPositionEvent()
12105 if (gameMode == EditPosition) {
12111 if (gameMode != EditGame) return;
12113 gameMode = EditPosition;
12116 if (currentMove > 0)
12117 CopyBoard(boards[0], boards[currentMove]);
12119 blackPlaysFirst = !WhiteOnMove(currentMove);
12121 currentMove = forwardMostMove = backwardMostMove = 0;
12122 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12129 /* [DM] icsEngineAnalyze - possible call from other functions */
12130 if (appData.icsEngineAnalyze) {
12131 appData.icsEngineAnalyze = FALSE;
12133 DisplayMessage("",_("Close ICS engine analyze..."));
12135 if (first.analysisSupport && first.analyzing) {
12136 SendToProgram("exit\n", &first);
12137 first.analyzing = FALSE;
12139 thinkOutput[0] = NULLCHAR;
12143 EditPositionDone(Boolean fakeRights)
12145 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12147 startedFromSetupPosition = TRUE;
12148 InitChessProgram(&first, FALSE);
12149 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12150 boards[0][EP_STATUS] = EP_NONE;
12151 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12152 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12153 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12154 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12155 } else boards[0][CASTLING][2] = NoRights;
12156 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12157 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12158 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12159 } else boards[0][CASTLING][5] = NoRights;
12161 SendToProgram("force\n", &first);
12162 if (blackPlaysFirst) {
12163 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12164 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12165 currentMove = forwardMostMove = backwardMostMove = 1;
12166 CopyBoard(boards[1], boards[0]);
12168 currentMove = forwardMostMove = backwardMostMove = 0;
12170 SendBoard(&first, forwardMostMove);
12171 if (appData.debugMode) {
12172 fprintf(debugFP, "EditPosDone\n");
12175 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12176 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12177 gameMode = EditGame;
12179 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12180 ClearHighlights(); /* [AS] */
12183 /* Pause for `ms' milliseconds */
12184 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12194 } while (SubtractTimeMarks(&m2, &m1) < ms);
12197 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12199 SendMultiLineToICS(buf)
12202 char temp[MSG_SIZ+1], *p;
12209 strncpy(temp, buf, len);
12214 if (*p == '\n' || *p == '\r')
12219 strcat(temp, "\n");
12221 SendToPlayer(temp, strlen(temp));
12225 SetWhiteToPlayEvent()
12227 if (gameMode == EditPosition) {
12228 blackPlaysFirst = FALSE;
12229 DisplayBothClocks(); /* works because currentMove is 0 */
12230 } else if (gameMode == IcsExamining) {
12231 SendToICS(ics_prefix);
12232 SendToICS("tomove white\n");
12237 SetBlackToPlayEvent()
12239 if (gameMode == EditPosition) {
12240 blackPlaysFirst = TRUE;
12241 currentMove = 1; /* kludge */
12242 DisplayBothClocks();
12244 } else if (gameMode == IcsExamining) {
12245 SendToICS(ics_prefix);
12246 SendToICS("tomove black\n");
12251 EditPositionMenuEvent(selection, x, y)
12252 ChessSquare selection;
12256 ChessSquare piece = boards[0][y][x];
12258 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12260 switch (selection) {
12262 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12263 SendToICS(ics_prefix);
12264 SendToICS("bsetup clear\n");
12265 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12266 SendToICS(ics_prefix);
12267 SendToICS("clearboard\n");
12269 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12270 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12271 for (y = 0; y < BOARD_HEIGHT; y++) {
12272 if (gameMode == IcsExamining) {
12273 if (boards[currentMove][y][x] != EmptySquare) {
12274 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12279 boards[0][y][x] = p;
12284 if (gameMode == EditPosition) {
12285 DrawPosition(FALSE, boards[0]);
12290 SetWhiteToPlayEvent();
12294 SetBlackToPlayEvent();
12298 if (gameMode == IcsExamining) {
12299 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12300 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12303 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12304 if(x == BOARD_LEFT-2) {
12305 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12306 boards[0][y][1] = 0;
12308 if(x == BOARD_RGHT+1) {
12309 if(y >= gameInfo.holdingsSize) break;
12310 boards[0][y][BOARD_WIDTH-2] = 0;
12313 boards[0][y][x] = EmptySquare;
12314 DrawPosition(FALSE, boards[0]);
12319 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12320 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12321 selection = (ChessSquare) (PROMOTED piece);
12322 } else if(piece == EmptySquare) selection = WhiteSilver;
12323 else selection = (ChessSquare)((int)piece - 1);
12327 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12328 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12329 selection = (ChessSquare) (DEMOTED piece);
12330 } else if(piece == EmptySquare) selection = BlackSilver;
12331 else selection = (ChessSquare)((int)piece + 1);
12336 if(gameInfo.variant == VariantShatranj ||
12337 gameInfo.variant == VariantXiangqi ||
12338 gameInfo.variant == VariantCourier ||
12339 gameInfo.variant == VariantMakruk )
12340 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12345 if(gameInfo.variant == VariantXiangqi)
12346 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12347 if(gameInfo.variant == VariantKnightmate)
12348 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12351 if (gameMode == IcsExamining) {
12352 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12353 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12354 PieceToChar(selection), AAA + x, ONE + y);
12357 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12359 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12360 n = PieceToNumber(selection - BlackPawn);
12361 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12362 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12363 boards[0][BOARD_HEIGHT-1-n][1]++;
12365 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12366 n = PieceToNumber(selection);
12367 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12368 boards[0][n][BOARD_WIDTH-1] = selection;
12369 boards[0][n][BOARD_WIDTH-2]++;
12372 boards[0][y][x] = selection;
12373 DrawPosition(TRUE, boards[0]);
12381 DropMenuEvent(selection, x, y)
12382 ChessSquare selection;
12385 ChessMove moveType;
12387 switch (gameMode) {
12388 case IcsPlayingWhite:
12389 case MachinePlaysBlack:
12390 if (!WhiteOnMove(currentMove)) {
12391 DisplayMoveError(_("It is Black's turn"));
12394 moveType = WhiteDrop;
12396 case IcsPlayingBlack:
12397 case MachinePlaysWhite:
12398 if (WhiteOnMove(currentMove)) {
12399 DisplayMoveError(_("It is White's turn"));
12402 moveType = BlackDrop;
12405 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12411 if (moveType == BlackDrop && selection < BlackPawn) {
12412 selection = (ChessSquare) ((int) selection
12413 + (int) BlackPawn - (int) WhitePawn);
12415 if (boards[currentMove][y][x] != EmptySquare) {
12416 DisplayMoveError(_("That square is occupied"));
12420 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12426 /* Accept a pending offer of any kind from opponent */
12428 if (appData.icsActive) {
12429 SendToICS(ics_prefix);
12430 SendToICS("accept\n");
12431 } else if (cmailMsgLoaded) {
12432 if (currentMove == cmailOldMove &&
12433 commentList[cmailOldMove] != NULL &&
12434 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12435 "Black offers a draw" : "White offers a draw")) {
12437 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12438 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12440 DisplayError(_("There is no pending offer on this move"), 0);
12441 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12444 /* Not used for offers from chess program */
12451 /* Decline a pending offer of any kind from opponent */
12453 if (appData.icsActive) {
12454 SendToICS(ics_prefix);
12455 SendToICS("decline\n");
12456 } else if (cmailMsgLoaded) {
12457 if (currentMove == cmailOldMove &&
12458 commentList[cmailOldMove] != NULL &&
12459 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12460 "Black offers a draw" : "White offers a draw")) {
12462 AppendComment(cmailOldMove, "Draw declined", TRUE);
12463 DisplayComment(cmailOldMove - 1, "Draw declined");
12466 DisplayError(_("There is no pending offer on this move"), 0);
12469 /* Not used for offers from chess program */
12476 /* Issue ICS rematch command */
12477 if (appData.icsActive) {
12478 SendToICS(ics_prefix);
12479 SendToICS("rematch\n");
12486 /* Call your opponent's flag (claim a win on time) */
12487 if (appData.icsActive) {
12488 SendToICS(ics_prefix);
12489 SendToICS("flag\n");
12491 switch (gameMode) {
12494 case MachinePlaysWhite:
12497 GameEnds(GameIsDrawn, "Both players ran out of time",
12500 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12502 DisplayError(_("Your opponent is not out of time"), 0);
12505 case MachinePlaysBlack:
12508 GameEnds(GameIsDrawn, "Both players ran out of time",
12511 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12513 DisplayError(_("Your opponent is not out of time"), 0);
12523 /* Offer draw or accept pending draw offer from opponent */
12525 if (appData.icsActive) {
12526 /* Note: tournament rules require draw offers to be
12527 made after you make your move but before you punch
12528 your clock. Currently ICS doesn't let you do that;
12529 instead, you immediately punch your clock after making
12530 a move, but you can offer a draw at any time. */
12532 SendToICS(ics_prefix);
12533 SendToICS("draw\n");
12534 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12535 } else if (cmailMsgLoaded) {
12536 if (currentMove == cmailOldMove &&
12537 commentList[cmailOldMove] != NULL &&
12538 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12539 "Black offers a draw" : "White offers a draw")) {
12540 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12541 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12542 } else if (currentMove == cmailOldMove + 1) {
12543 char *offer = WhiteOnMove(cmailOldMove) ?
12544 "White offers a draw" : "Black offers a draw";
12545 AppendComment(currentMove, offer, TRUE);
12546 DisplayComment(currentMove - 1, offer);
12547 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12549 DisplayError(_("You must make your move before offering a draw"), 0);
12550 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12552 } else if (first.offeredDraw) {
12553 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12555 if (first.sendDrawOffers) {
12556 SendToProgram("draw\n", &first);
12557 userOfferedDraw = TRUE;
12565 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12567 if (appData.icsActive) {
12568 SendToICS(ics_prefix);
12569 SendToICS("adjourn\n");
12571 /* Currently GNU Chess doesn't offer or accept Adjourns */
12579 /* Offer Abort or accept pending Abort offer from opponent */
12581 if (appData.icsActive) {
12582 SendToICS(ics_prefix);
12583 SendToICS("abort\n");
12585 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12592 /* Resign. You can do this even if it's not your turn. */
12594 if (appData.icsActive) {
12595 SendToICS(ics_prefix);
12596 SendToICS("resign\n");
12598 switch (gameMode) {
12599 case MachinePlaysWhite:
12600 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12602 case MachinePlaysBlack:
12603 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12606 if (cmailMsgLoaded) {
12608 if (WhiteOnMove(cmailOldMove)) {
12609 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12611 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12613 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12624 StopObservingEvent()
12626 /* Stop observing current games */
12627 SendToICS(ics_prefix);
12628 SendToICS("unobserve\n");
12632 StopExaminingEvent()
12634 /* Stop observing current game */
12635 SendToICS(ics_prefix);
12636 SendToICS("unexamine\n");
12640 ForwardInner(target)
12645 if (appData.debugMode)
12646 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12647 target, currentMove, forwardMostMove);
12649 if (gameMode == EditPosition)
12652 if (gameMode == PlayFromGameFile && !pausing)
12655 if (gameMode == IcsExamining && pausing)
12656 limit = pauseExamForwardMostMove;
12658 limit = forwardMostMove;
12660 if (target > limit) target = limit;
12662 if (target > 0 && moveList[target - 1][0]) {
12663 int fromX, fromY, toX, toY;
12664 toX = moveList[target - 1][2] - AAA;
12665 toY = moveList[target - 1][3] - ONE;
12666 if (moveList[target - 1][1] == '@') {
12667 if (appData.highlightLastMove) {
12668 SetHighlights(-1, -1, toX, toY);
12671 fromX = moveList[target - 1][0] - AAA;
12672 fromY = moveList[target - 1][1] - ONE;
12673 if (target == currentMove + 1) {
12674 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12676 if (appData.highlightLastMove) {
12677 SetHighlights(fromX, fromY, toX, toY);
12681 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12682 gameMode == Training || gameMode == PlayFromGameFile ||
12683 gameMode == AnalyzeFile) {
12684 while (currentMove < target) {
12685 SendMoveToProgram(currentMove++, &first);
12688 currentMove = target;
12691 if (gameMode == EditGame || gameMode == EndOfGame) {
12692 whiteTimeRemaining = timeRemaining[0][currentMove];
12693 blackTimeRemaining = timeRemaining[1][currentMove];
12695 DisplayBothClocks();
12696 DisplayMove(currentMove - 1);
12697 DrawPosition(FALSE, boards[currentMove]);
12698 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12699 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12700 DisplayComment(currentMove - 1, commentList[currentMove]);
12708 if (gameMode == IcsExamining && !pausing) {
12709 SendToICS(ics_prefix);
12710 SendToICS("forward\n");
12712 ForwardInner(currentMove + 1);
12719 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12720 /* to optimze, we temporarily turn off analysis mode while we feed
12721 * the remaining moves to the engine. Otherwise we get analysis output
12724 if (first.analysisSupport) {
12725 SendToProgram("exit\nforce\n", &first);
12726 first.analyzing = FALSE;
12730 if (gameMode == IcsExamining && !pausing) {
12731 SendToICS(ics_prefix);
12732 SendToICS("forward 999999\n");
12734 ForwardInner(forwardMostMove);
12737 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12738 /* we have fed all the moves, so reactivate analysis mode */
12739 SendToProgram("analyze\n", &first);
12740 first.analyzing = TRUE;
12741 /*first.maybeThinking = TRUE;*/
12742 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12747 BackwardInner(target)
12750 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12752 if (appData.debugMode)
12753 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12754 target, currentMove, forwardMostMove);
12756 if (gameMode == EditPosition) return;
12757 if (currentMove <= backwardMostMove) {
12759 DrawPosition(full_redraw, boards[currentMove]);
12762 if (gameMode == PlayFromGameFile && !pausing)
12765 if (moveList[target][0]) {
12766 int fromX, fromY, toX, toY;
12767 toX = moveList[target][2] - AAA;
12768 toY = moveList[target][3] - ONE;
12769 if (moveList[target][1] == '@') {
12770 if (appData.highlightLastMove) {
12771 SetHighlights(-1, -1, toX, toY);
12774 fromX = moveList[target][0] - AAA;
12775 fromY = moveList[target][1] - ONE;
12776 if (target == currentMove - 1) {
12777 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12779 if (appData.highlightLastMove) {
12780 SetHighlights(fromX, fromY, toX, toY);
12784 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12785 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12786 while (currentMove > target) {
12787 SendToProgram("undo\n", &first);
12791 currentMove = target;
12794 if (gameMode == EditGame || gameMode == EndOfGame) {
12795 whiteTimeRemaining = timeRemaining[0][currentMove];
12796 blackTimeRemaining = timeRemaining[1][currentMove];
12798 DisplayBothClocks();
12799 DisplayMove(currentMove - 1);
12800 DrawPosition(full_redraw, boards[currentMove]);
12801 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12802 // [HGM] PV info: routine tests if comment empty
12803 DisplayComment(currentMove - 1, commentList[currentMove]);
12809 if (gameMode == IcsExamining && !pausing) {
12810 SendToICS(ics_prefix);
12811 SendToICS("backward\n");
12813 BackwardInner(currentMove - 1);
12820 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12821 /* to optimize, we temporarily turn off analysis mode while we undo
12822 * all the moves. Otherwise we get analysis output after each undo.
12824 if (first.analysisSupport) {
12825 SendToProgram("exit\nforce\n", &first);
12826 first.analyzing = FALSE;
12830 if (gameMode == IcsExamining && !pausing) {
12831 SendToICS(ics_prefix);
12832 SendToICS("backward 999999\n");
12834 BackwardInner(backwardMostMove);
12837 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12838 /* we have fed all the moves, so reactivate analysis mode */
12839 SendToProgram("analyze\n", &first);
12840 first.analyzing = TRUE;
12841 /*first.maybeThinking = TRUE;*/
12842 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12849 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12850 if (to >= forwardMostMove) to = forwardMostMove;
12851 if (to <= backwardMostMove) to = backwardMostMove;
12852 if (to < currentMove) {
12860 RevertEvent(Boolean annotate)
12862 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12865 if (gameMode != IcsExamining) {
12866 DisplayError(_("You are not examining a game"), 0);
12870 DisplayError(_("You can't revert while pausing"), 0);
12873 SendToICS(ics_prefix);
12874 SendToICS("revert\n");
12880 switch (gameMode) {
12881 case MachinePlaysWhite:
12882 case MachinePlaysBlack:
12883 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12884 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12887 if (forwardMostMove < 2) return;
12888 currentMove = forwardMostMove = forwardMostMove - 2;
12889 whiteTimeRemaining = timeRemaining[0][currentMove];
12890 blackTimeRemaining = timeRemaining[1][currentMove];
12891 DisplayBothClocks();
12892 DisplayMove(currentMove - 1);
12893 ClearHighlights();/*!! could figure this out*/
12894 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12895 SendToProgram("remove\n", &first);
12896 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12899 case BeginningOfGame:
12903 case IcsPlayingWhite:
12904 case IcsPlayingBlack:
12905 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12906 SendToICS(ics_prefix);
12907 SendToICS("takeback 2\n");
12909 SendToICS(ics_prefix);
12910 SendToICS("takeback 1\n");
12919 ChessProgramState *cps;
12921 switch (gameMode) {
12922 case MachinePlaysWhite:
12923 if (!WhiteOnMove(forwardMostMove)) {
12924 DisplayError(_("It is your turn"), 0);
12929 case MachinePlaysBlack:
12930 if (WhiteOnMove(forwardMostMove)) {
12931 DisplayError(_("It is your turn"), 0);
12936 case TwoMachinesPlay:
12937 if (WhiteOnMove(forwardMostMove) ==
12938 (first.twoMachinesColor[0] == 'w')) {
12944 case BeginningOfGame:
12948 SendToProgram("?\n", cps);
12952 TruncateGameEvent()
12955 if (gameMode != EditGame) return;
12962 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12963 if (forwardMostMove > currentMove) {
12964 if (gameInfo.resultDetails != NULL) {
12965 free(gameInfo.resultDetails);
12966 gameInfo.resultDetails = NULL;
12967 gameInfo.result = GameUnfinished;
12969 forwardMostMove = currentMove;
12970 HistorySet(parseList, backwardMostMove, forwardMostMove,
12978 if (appData.noChessProgram) return;
12979 switch (gameMode) {
12980 case MachinePlaysWhite:
12981 if (WhiteOnMove(forwardMostMove)) {
12982 DisplayError(_("Wait until your turn"), 0);
12986 case BeginningOfGame:
12987 case MachinePlaysBlack:
12988 if (!WhiteOnMove(forwardMostMove)) {
12989 DisplayError(_("Wait until your turn"), 0);
12994 DisplayError(_("No hint available"), 0);
12997 SendToProgram("hint\n", &first);
12998 hintRequested = TRUE;
13004 if (appData.noChessProgram) return;
13005 switch (gameMode) {
13006 case MachinePlaysWhite:
13007 if (WhiteOnMove(forwardMostMove)) {
13008 DisplayError(_("Wait until your turn"), 0);
13012 case BeginningOfGame:
13013 case MachinePlaysBlack:
13014 if (!WhiteOnMove(forwardMostMove)) {
13015 DisplayError(_("Wait until your turn"), 0);
13020 EditPositionDone(TRUE);
13022 case TwoMachinesPlay:
13027 SendToProgram("bk\n", &first);
13028 bookOutput[0] = NULLCHAR;
13029 bookRequested = TRUE;
13035 char *tags = PGNTags(&gameInfo);
13036 TagsPopUp(tags, CmailMsg());
13040 /* end button procedures */
13043 PrintPosition(fp, move)
13049 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13050 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13051 char c = PieceToChar(boards[move][i][j]);
13052 fputc(c == 'x' ? '.' : c, fp);
13053 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13056 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13057 fprintf(fp, "white to play\n");
13059 fprintf(fp, "black to play\n");
13066 if (gameInfo.white != NULL) {
13067 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13073 /* Find last component of program's own name, using some heuristics */
13075 TidyProgramName(prog, host, buf)
13076 char *prog, *host, buf[MSG_SIZ];
13079 int local = (strcmp(host, "localhost") == 0);
13080 while (!local && (p = strchr(prog, ';')) != NULL) {
13082 while (*p == ' ') p++;
13085 if (*prog == '"' || *prog == '\'') {
13086 q = strchr(prog + 1, *prog);
13088 q = strchr(prog, ' ');
13090 if (q == NULL) q = prog + strlen(prog);
13092 while (p >= prog && *p != '/' && *p != '\\') p--;
13094 if(p == prog && *p == '"') p++;
13095 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13096 memcpy(buf, p, q - p);
13097 buf[q - p] = NULLCHAR;
13105 TimeControlTagValue()
13108 if (!appData.clockMode) {
13109 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13110 } else if (movesPerSession > 0) {
13111 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13112 } else if (timeIncrement == 0) {
13113 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13115 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13117 return StrSave(buf);
13123 /* This routine is used only for certain modes */
13124 VariantClass v = gameInfo.variant;
13125 ChessMove r = GameUnfinished;
13128 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13129 r = gameInfo.result;
13130 p = gameInfo.resultDetails;
13131 gameInfo.resultDetails = NULL;
13133 ClearGameInfo(&gameInfo);
13134 gameInfo.variant = v;
13136 switch (gameMode) {
13137 case MachinePlaysWhite:
13138 gameInfo.event = StrSave( appData.pgnEventHeader );
13139 gameInfo.site = StrSave(HostName());
13140 gameInfo.date = PGNDate();
13141 gameInfo.round = StrSave("-");
13142 gameInfo.white = StrSave(first.tidy);
13143 gameInfo.black = StrSave(UserName());
13144 gameInfo.timeControl = TimeControlTagValue();
13147 case MachinePlaysBlack:
13148 gameInfo.event = StrSave( appData.pgnEventHeader );
13149 gameInfo.site = StrSave(HostName());
13150 gameInfo.date = PGNDate();
13151 gameInfo.round = StrSave("-");
13152 gameInfo.white = StrSave(UserName());
13153 gameInfo.black = StrSave(first.tidy);
13154 gameInfo.timeControl = TimeControlTagValue();
13157 case TwoMachinesPlay:
13158 gameInfo.event = StrSave( appData.pgnEventHeader );
13159 gameInfo.site = StrSave(HostName());
13160 gameInfo.date = PGNDate();
13161 if (matchGame > 0) {
13163 snprintf(buf, MSG_SIZ, "%d", matchGame);
13164 gameInfo.round = StrSave(buf);
13166 gameInfo.round = StrSave("-");
13168 if (first.twoMachinesColor[0] == 'w') {
13169 gameInfo.white = StrSave(first.tidy);
13170 gameInfo.black = StrSave(second.tidy);
13172 gameInfo.white = StrSave(second.tidy);
13173 gameInfo.black = StrSave(first.tidy);
13175 gameInfo.timeControl = TimeControlTagValue();
13179 gameInfo.event = StrSave("Edited game");
13180 gameInfo.site = StrSave(HostName());
13181 gameInfo.date = PGNDate();
13182 gameInfo.round = StrSave("-");
13183 gameInfo.white = StrSave("-");
13184 gameInfo.black = StrSave("-");
13185 gameInfo.result = r;
13186 gameInfo.resultDetails = p;
13190 gameInfo.event = StrSave("Edited position");
13191 gameInfo.site = StrSave(HostName());
13192 gameInfo.date = PGNDate();
13193 gameInfo.round = StrSave("-");
13194 gameInfo.white = StrSave("-");
13195 gameInfo.black = StrSave("-");
13198 case IcsPlayingWhite:
13199 case IcsPlayingBlack:
13204 case PlayFromGameFile:
13205 gameInfo.event = StrSave("Game from non-PGN file");
13206 gameInfo.site = StrSave(HostName());
13207 gameInfo.date = PGNDate();
13208 gameInfo.round = StrSave("-");
13209 gameInfo.white = StrSave("?");
13210 gameInfo.black = StrSave("?");
13219 ReplaceComment(index, text)
13225 while (*text == '\n') text++;
13226 len = strlen(text);
13227 while (len > 0 && text[len - 1] == '\n') len--;
13229 if (commentList[index] != NULL)
13230 free(commentList[index]);
13233 commentList[index] = NULL;
13236 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13237 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13238 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13239 commentList[index] = (char *) malloc(len + 2);
13240 strncpy(commentList[index], text, len);
13241 commentList[index][len] = '\n';
13242 commentList[index][len + 1] = NULLCHAR;
13244 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13246 commentList[index] = (char *) malloc(len + 7);
13247 safeStrCpy(commentList[index], "{\n", 3);
13248 safeStrCpy(commentList[index]+2, text, len+1);
13249 commentList[index][len+2] = NULLCHAR;
13250 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13251 strcat(commentList[index], "\n}\n");
13265 if (ch == '\r') continue;
13267 } while (ch != '\0');
13271 AppendComment(index, text, addBraces)
13274 Boolean addBraces; // [HGM] braces: tells if we should add {}
13279 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13280 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13283 while (*text == '\n') text++;
13284 len = strlen(text);
13285 while (len > 0 && text[len - 1] == '\n') len--;
13287 if (len == 0) return;
13289 if (commentList[index] != NULL) {
13290 old = commentList[index];
13291 oldlen = strlen(old);
13292 while(commentList[index][oldlen-1] == '\n')
13293 commentList[index][--oldlen] = NULLCHAR;
13294 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13295 safeStrCpy(commentList[index], old, oldlen);
13297 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13298 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13299 if(addBraces) addBraces = FALSE; else { text++; len--; }
13300 while (*text == '\n') { text++; len--; }
13301 commentList[index][--oldlen] = NULLCHAR;
13303 if(addBraces) strcat(commentList[index], "\n{\n");
13304 else strcat(commentList[index], "\n");
13305 strcat(commentList[index], text);
13306 if(addBraces) strcat(commentList[index], "\n}\n");
13307 else strcat(commentList[index], "\n");
13309 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13311 safeStrCpy(commentList[index], "{\n", sizeof(commentList[index])/sizeof(commentList[index][0]));
13312 else commentList[index][0] = NULLCHAR;
13313 strcat(commentList[index], text);
13314 strcat(commentList[index], "\n");
13315 if(addBraces) strcat(commentList[index], "}\n");
13319 static char * FindStr( char * text, char * sub_text )
13321 char * result = strstr( text, sub_text );
13323 if( result != NULL ) {
13324 result += strlen( sub_text );
13330 /* [AS] Try to extract PV info from PGN comment */
13331 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13332 char *GetInfoFromComment( int index, char * text )
13336 if( text != NULL && index > 0 ) {
13339 int time = -1, sec = 0, deci;
13340 char * s_eval = FindStr( text, "[%eval " );
13341 char * s_emt = FindStr( text, "[%emt " );
13343 if( s_eval != NULL || s_emt != NULL ) {
13347 if( s_eval != NULL ) {
13348 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13352 if( delim != ']' ) {
13357 if( s_emt != NULL ) {
13362 /* We expect something like: [+|-]nnn.nn/dd */
13365 if(*text != '{') return text; // [HGM] braces: must be normal comment
13367 sep = strchr( text, '/' );
13368 if( sep == NULL || sep < (text+4) ) {
13372 time = -1; sec = -1; deci = -1;
13373 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13374 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13375 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13376 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13380 if( score_lo < 0 || score_lo >= 100 ) {
13384 if(sec >= 0) time = 600*time + 10*sec; else
13385 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13387 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13389 /* [HGM] PV time: now locate end of PV info */
13390 while( *++sep >= '0' && *sep <= '9'); // strip depth
13392 while( *++sep >= '0' && *sep <= '9'); // strip time
13394 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13396 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13397 while(*sep == ' ') sep++;
13408 pvInfoList[index-1].depth = depth;
13409 pvInfoList[index-1].score = score;
13410 pvInfoList[index-1].time = 10*time; // centi-sec
13411 if(*sep == '}') *sep = 0; else *--sep = '{';
13417 SendToProgram(message, cps)
13419 ChessProgramState *cps;
13421 int count, outCount, error;
13424 if (cps->pr == NULL) return;
13427 if (appData.debugMode) {
13430 fprintf(debugFP, "%ld >%-6s: %s",
13431 SubtractTimeMarks(&now, &programStartTime),
13432 cps->which, message);
13435 count = strlen(message);
13436 outCount = OutputToProcess(cps->pr, message, count, &error);
13437 if (outCount < count && !exiting
13438 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13439 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13440 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13441 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13442 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13443 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13445 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13447 gameInfo.resultDetails = StrSave(buf);
13449 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13454 ReceiveFromProgram(isr, closure, message, count, error)
13455 InputSourceRef isr;
13463 ChessProgramState *cps = (ChessProgramState *)closure;
13465 if (isr != cps->isr) return; /* Killed intentionally */
13468 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13469 cps->which, cps->program);
13470 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13471 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13472 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13473 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13475 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13477 gameInfo.resultDetails = StrSave(buf);
13479 RemoveInputSource(cps->isr);
13480 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13482 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13483 cps->which, cps->program);
13484 RemoveInputSource(cps->isr);
13486 /* [AS] Program is misbehaving badly... kill it */
13487 if( count == -2 ) {
13488 DestroyChildProcess( cps->pr, 9 );
13492 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13497 if ((end_str = strchr(message, '\r')) != NULL)
13498 *end_str = NULLCHAR;
13499 if ((end_str = strchr(message, '\n')) != NULL)
13500 *end_str = NULLCHAR;
13502 if (appData.debugMode) {
13503 TimeMark now; int print = 1;
13504 char *quote = ""; char c; int i;
13506 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13507 char start = message[0];
13508 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13509 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13510 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13511 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13512 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13513 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13514 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13515 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13516 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13517 print = (appData.engineComments >= 2);
13519 message[0] = start; // restore original message
13523 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13524 SubtractTimeMarks(&now, &programStartTime), cps->which,
13530 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13531 if (appData.icsEngineAnalyze) {
13532 if (strstr(message, "whisper") != NULL ||
13533 strstr(message, "kibitz") != NULL ||
13534 strstr(message, "tellics") != NULL) return;
13537 HandleMachineMove(message, cps);
13542 SendTimeControl(cps, mps, tc, inc, sd, st)
13543 ChessProgramState *cps;
13544 int mps, inc, sd, st;
13550 if( timeControl_2 > 0 ) {
13551 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13552 tc = timeControl_2;
13555 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13556 inc /= cps->timeOdds;
13557 st /= cps->timeOdds;
13559 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13562 /* Set exact time per move, normally using st command */
13563 if (cps->stKludge) {
13564 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13566 if (seconds == 0) {
13567 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13569 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13572 snprintf(buf, MSG_SIZ, "st %d\n", st);
13575 /* Set conventional or incremental time control, using level command */
13576 if (seconds == 0) {
13577 /* Note old gnuchess bug -- minutes:seconds used to not work.
13578 Fixed in later versions, but still avoid :seconds
13579 when seconds is 0. */
13580 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13582 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13583 seconds, inc/1000.);
13586 SendToProgram(buf, cps);
13588 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13589 /* Orthogonally, limit search to given depth */
13591 if (cps->sdKludge) {
13592 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13594 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13596 SendToProgram(buf, cps);
13599 if(cps->nps > 0) { /* [HGM] nps */
13600 if(cps->supportsNPS == FALSE)
13601 cps->nps = -1; // don't use if engine explicitly says not supported!
13603 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13604 SendToProgram(buf, cps);
13609 ChessProgramState *WhitePlayer()
13610 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13612 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13613 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13619 SendTimeRemaining(cps, machineWhite)
13620 ChessProgramState *cps;
13621 int /*boolean*/ machineWhite;
13623 char message[MSG_SIZ];
13626 /* Note: this routine must be called when the clocks are stopped
13627 or when they have *just* been set or switched; otherwise
13628 it will be off by the time since the current tick started.
13630 if (machineWhite) {
13631 time = whiteTimeRemaining / 10;
13632 otime = blackTimeRemaining / 10;
13634 time = blackTimeRemaining / 10;
13635 otime = whiteTimeRemaining / 10;
13637 /* [HGM] translate opponent's time by time-odds factor */
13638 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13639 if (appData.debugMode) {
13640 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13643 if (time <= 0) time = 1;
13644 if (otime <= 0) otime = 1;
13646 snprintf(message, MSG_SIZ, "time %ld\n", time);
13647 SendToProgram(message, cps);
13649 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13650 SendToProgram(message, cps);
13654 BoolFeature(p, name, loc, cps)
13658 ChessProgramState *cps;
13661 int len = strlen(name);
13664 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13666 sscanf(*p, "%d", &val);
13668 while (**p && **p != ' ')
13670 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13671 SendToProgram(buf, cps);
13678 IntFeature(p, name, loc, cps)
13682 ChessProgramState *cps;
13685 int len = strlen(name);
13686 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13688 sscanf(*p, "%d", loc);
13689 while (**p && **p != ' ') (*p)++;
13690 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13691 SendToProgram(buf, cps);
13698 StringFeature(p, name, loc, cps)
13702 ChessProgramState *cps;
13705 int len = strlen(name);
13706 if (strncmp((*p), name, len) == 0
13707 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13709 sscanf(*p, "%[^\"]", loc);
13710 while (**p && **p != '\"') (*p)++;
13711 if (**p == '\"') (*p)++;
13712 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13713 SendToProgram(buf, cps);
13720 ParseOption(Option *opt, ChessProgramState *cps)
13721 // [HGM] options: process the string that defines an engine option, and determine
13722 // name, type, default value, and allowed value range
13724 char *p, *q, buf[MSG_SIZ];
13725 int n, min = (-1)<<31, max = 1<<31, def;
13727 if(p = strstr(opt->name, " -spin ")) {
13728 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13729 if(max < min) max = min; // enforce consistency
13730 if(def < min) def = min;
13731 if(def > max) def = max;
13736 } else if((p = strstr(opt->name, " -slider "))) {
13737 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13738 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13739 if(max < min) max = min; // enforce consistency
13740 if(def < min) def = min;
13741 if(def > max) def = max;
13745 opt->type = Spin; // Slider;
13746 } else if((p = strstr(opt->name, " -string "))) {
13747 opt->textValue = p+9;
13748 opt->type = TextBox;
13749 } else if((p = strstr(opt->name, " -file "))) {
13750 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13751 opt->textValue = p+7;
13752 opt->type = TextBox; // FileName;
13753 } else if((p = strstr(opt->name, " -path "))) {
13754 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13755 opt->textValue = p+7;
13756 opt->type = TextBox; // PathName;
13757 } else if(p = strstr(opt->name, " -check ")) {
13758 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13759 opt->value = (def != 0);
13760 opt->type = CheckBox;
13761 } else if(p = strstr(opt->name, " -combo ")) {
13762 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13763 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13764 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13765 opt->value = n = 0;
13766 while(q = StrStr(q, " /// ")) {
13767 n++; *q = 0; // count choices, and null-terminate each of them
13769 if(*q == '*') { // remember default, which is marked with * prefix
13773 cps->comboList[cps->comboCnt++] = q;
13775 cps->comboList[cps->comboCnt++] = NULL;
13777 opt->type = ComboBox;
13778 } else if(p = strstr(opt->name, " -button")) {
13779 opt->type = Button;
13780 } else if(p = strstr(opt->name, " -save")) {
13781 opt->type = SaveButton;
13782 } else return FALSE;
13783 *p = 0; // terminate option name
13784 // now look if the command-line options define a setting for this engine option.
13785 if(cps->optionSettings && cps->optionSettings[0])
13786 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13787 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13788 snprintf(buf, MSG_SIZ, "option %s", p);
13789 if(p = strstr(buf, ",")) *p = 0;
13791 SendToProgram(buf, cps);
13797 FeatureDone(cps, val)
13798 ChessProgramState* cps;
13801 DelayedEventCallback cb = GetDelayedEvent();
13802 if ((cb == InitBackEnd3 && cps == &first) ||
13803 (cb == TwoMachinesEventIfReady && cps == &second)) {
13804 CancelDelayedEvent();
13805 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13807 cps->initDone = val;
13810 /* Parse feature command from engine */
13812 ParseFeatures(args, cps)
13814 ChessProgramState *cps;
13822 while (*p == ' ') p++;
13823 if (*p == NULLCHAR) return;
13825 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13826 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13827 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13828 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13829 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13830 if (BoolFeature(&p, "reuse", &val, cps)) {
13831 /* Engine can disable reuse, but can't enable it if user said no */
13832 if (!val) cps->reuse = FALSE;
13835 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13836 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13837 if (gameMode == TwoMachinesPlay) {
13838 DisplayTwoMachinesTitle();
13844 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13845 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13846 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13847 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13848 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13849 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13850 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13851 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13852 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13853 if (IntFeature(&p, "done", &val, cps)) {
13854 FeatureDone(cps, val);
13857 /* Added by Tord: */
13858 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13859 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13860 /* End of additions by Tord */
13862 /* [HGM] added features: */
13863 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13864 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13865 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13866 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13867 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13868 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13869 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13870 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13871 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13872 SendToProgram(buf, cps);
13875 if(cps->nrOptions >= MAX_OPTIONS) {
13877 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13878 DisplayError(buf, 0);
13882 /* End of additions by HGM */
13884 /* unknown feature: complain and skip */
13886 while (*q && *q != '=') q++;
13887 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13888 SendToProgram(buf, cps);
13894 while (*p && *p != '\"') p++;
13895 if (*p == '\"') p++;
13897 while (*p && *p != ' ') p++;
13905 PeriodicUpdatesEvent(newState)
13908 if (newState == appData.periodicUpdates)
13911 appData.periodicUpdates=newState;
13913 /* Display type changes, so update it now */
13914 // DisplayAnalysis();
13916 /* Get the ball rolling again... */
13918 AnalysisPeriodicEvent(1);
13919 StartAnalysisClock();
13924 PonderNextMoveEvent(newState)
13927 if (newState == appData.ponderNextMove) return;
13928 if (gameMode == EditPosition) EditPositionDone(TRUE);
13930 SendToProgram("hard\n", &first);
13931 if (gameMode == TwoMachinesPlay) {
13932 SendToProgram("hard\n", &second);
13935 SendToProgram("easy\n", &first);
13936 thinkOutput[0] = NULLCHAR;
13937 if (gameMode == TwoMachinesPlay) {
13938 SendToProgram("easy\n", &second);
13941 appData.ponderNextMove = newState;
13945 NewSettingEvent(option, feature, command, value)
13947 int option, value, *feature;
13951 if (gameMode == EditPosition) EditPositionDone(TRUE);
13952 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13953 if(feature == NULL || *feature) SendToProgram(buf, &first);
13954 if (gameMode == TwoMachinesPlay) {
13955 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13960 ShowThinkingEvent()
13961 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13963 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13964 int newState = appData.showThinking
13965 // [HGM] thinking: other features now need thinking output as well
13966 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13968 if (oldState == newState) return;
13969 oldState = newState;
13970 if (gameMode == EditPosition) EditPositionDone(TRUE);
13972 SendToProgram("post\n", &first);
13973 if (gameMode == TwoMachinesPlay) {
13974 SendToProgram("post\n", &second);
13977 SendToProgram("nopost\n", &first);
13978 thinkOutput[0] = NULLCHAR;
13979 if (gameMode == TwoMachinesPlay) {
13980 SendToProgram("nopost\n", &second);
13983 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13987 AskQuestionEvent(title, question, replyPrefix, which)
13988 char *title; char *question; char *replyPrefix; char *which;
13990 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13991 if (pr == NoProc) return;
13992 AskQuestion(title, question, replyPrefix, pr);
13996 DisplayMove(moveNumber)
13999 char message[MSG_SIZ];
14001 char cpThinkOutput[MSG_SIZ];
14003 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14005 if (moveNumber == forwardMostMove - 1 ||
14006 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14008 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14010 if (strchr(cpThinkOutput, '\n')) {
14011 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14014 *cpThinkOutput = NULLCHAR;
14017 /* [AS] Hide thinking from human user */
14018 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14019 *cpThinkOutput = NULLCHAR;
14020 if( thinkOutput[0] != NULLCHAR ) {
14023 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14024 cpThinkOutput[i] = '.';
14026 cpThinkOutput[i] = NULLCHAR;
14027 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14031 if (moveNumber == forwardMostMove - 1 &&
14032 gameInfo.resultDetails != NULL) {
14033 if (gameInfo.resultDetails[0] == NULLCHAR) {
14034 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14036 snprintf(res, MSG_SIZ, " {%s} %s",
14037 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14043 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14044 DisplayMessage(res, cpThinkOutput);
14046 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14047 WhiteOnMove(moveNumber) ? " " : ".. ",
14048 parseList[moveNumber], res);
14049 DisplayMessage(message, cpThinkOutput);
14054 DisplayComment(moveNumber, text)
14058 char title[MSG_SIZ];
14059 char buf[8000]; // comment can be long!
14062 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14063 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14065 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14066 WhiteOnMove(moveNumber) ? " " : ".. ",
14067 parseList[moveNumber]);
14069 // [HGM] PV info: display PV info together with (or as) comment
14070 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14071 if(text == NULL) text = "";
14072 score = pvInfoList[moveNumber].score;
14073 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14074 depth, (pvInfoList[moveNumber].time+50)/100, text);
14077 if (text != NULL && (appData.autoDisplayComment || commentUp))
14078 CommentPopUp(title, text);
14081 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14082 * might be busy thinking or pondering. It can be omitted if your
14083 * gnuchess is configured to stop thinking immediately on any user
14084 * input. However, that gnuchess feature depends on the FIONREAD
14085 * ioctl, which does not work properly on some flavors of Unix.
14089 ChessProgramState *cps;
14092 if (!cps->useSigint) return;
14093 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14094 switch (gameMode) {
14095 case MachinePlaysWhite:
14096 case MachinePlaysBlack:
14097 case TwoMachinesPlay:
14098 case IcsPlayingWhite:
14099 case IcsPlayingBlack:
14102 /* Skip if we know it isn't thinking */
14103 if (!cps->maybeThinking) return;
14104 if (appData.debugMode)
14105 fprintf(debugFP, "Interrupting %s\n", cps->which);
14106 InterruptChildProcess(cps->pr);
14107 cps->maybeThinking = FALSE;
14112 #endif /*ATTENTION*/
14118 if (whiteTimeRemaining <= 0) {
14121 if (appData.icsActive) {
14122 if (appData.autoCallFlag &&
14123 gameMode == IcsPlayingBlack && !blackFlag) {
14124 SendToICS(ics_prefix);
14125 SendToICS("flag\n");
14129 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14131 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14132 if (appData.autoCallFlag) {
14133 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14140 if (blackTimeRemaining <= 0) {
14143 if (appData.icsActive) {
14144 if (appData.autoCallFlag &&
14145 gameMode == IcsPlayingWhite && !whiteFlag) {
14146 SendToICS(ics_prefix);
14147 SendToICS("flag\n");
14151 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14153 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14154 if (appData.autoCallFlag) {
14155 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14168 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14169 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14172 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14174 if ( !WhiteOnMove(forwardMostMove) ) {
14175 /* White made time control */
14176 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14177 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14178 /* [HGM] time odds: correct new time quota for time odds! */
14179 / WhitePlayer()->timeOdds;
14180 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14182 lastBlack -= blackTimeRemaining;
14183 /* Black made time control */
14184 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14185 / WhitePlayer()->other->timeOdds;
14186 lastWhite = whiteTimeRemaining;
14191 DisplayBothClocks()
14193 int wom = gameMode == EditPosition ?
14194 !blackPlaysFirst : WhiteOnMove(currentMove);
14195 DisplayWhiteClock(whiteTimeRemaining, wom);
14196 DisplayBlackClock(blackTimeRemaining, !wom);
14200 /* Timekeeping seems to be a portability nightmare. I think everyone
14201 has ftime(), but I'm really not sure, so I'm including some ifdefs
14202 to use other calls if you don't. Clocks will be less accurate if
14203 you have neither ftime nor gettimeofday.
14206 /* VS 2008 requires the #include outside of the function */
14207 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14208 #include <sys/timeb.h>
14211 /* Get the current time as a TimeMark */
14216 #if HAVE_GETTIMEOFDAY
14218 struct timeval timeVal;
14219 struct timezone timeZone;
14221 gettimeofday(&timeVal, &timeZone);
14222 tm->sec = (long) timeVal.tv_sec;
14223 tm->ms = (int) (timeVal.tv_usec / 1000L);
14225 #else /*!HAVE_GETTIMEOFDAY*/
14228 // include <sys/timeb.h> / moved to just above start of function
14229 struct timeb timeB;
14232 tm->sec = (long) timeB.time;
14233 tm->ms = (int) timeB.millitm;
14235 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14236 tm->sec = (long) time(NULL);
14242 /* Return the difference in milliseconds between two
14243 time marks. We assume the difference will fit in a long!
14246 SubtractTimeMarks(tm2, tm1)
14247 TimeMark *tm2, *tm1;
14249 return 1000L*(tm2->sec - tm1->sec) +
14250 (long) (tm2->ms - tm1->ms);
14255 * Code to manage the game clocks.
14257 * In tournament play, black starts the clock and then white makes a move.
14258 * We give the human user a slight advantage if he is playing white---the
14259 * clocks don't run until he makes his first move, so it takes zero time.
14260 * Also, we don't account for network lag, so we could get out of sync
14261 * with GNU Chess's clock -- but then, referees are always right.
14264 static TimeMark tickStartTM;
14265 static long intendedTickLength;
14268 NextTickLength(timeRemaining)
14269 long timeRemaining;
14271 long nominalTickLength, nextTickLength;
14273 if (timeRemaining > 0L && timeRemaining <= 10000L)
14274 nominalTickLength = 100L;
14276 nominalTickLength = 1000L;
14277 nextTickLength = timeRemaining % nominalTickLength;
14278 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14280 return nextTickLength;
14283 /* Adjust clock one minute up or down */
14285 AdjustClock(Boolean which, int dir)
14287 if(which) blackTimeRemaining += 60000*dir;
14288 else whiteTimeRemaining += 60000*dir;
14289 DisplayBothClocks();
14292 /* Stop clocks and reset to a fresh time control */
14296 (void) StopClockTimer();
14297 if (appData.icsActive) {
14298 whiteTimeRemaining = blackTimeRemaining = 0;
14299 } else if (searchTime) {
14300 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14301 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14302 } else { /* [HGM] correct new time quote for time odds */
14303 whiteTC = blackTC = fullTimeControlString;
14304 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14305 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14307 if (whiteFlag || blackFlag) {
14309 whiteFlag = blackFlag = FALSE;
14311 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14312 DisplayBothClocks();
14315 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14317 /* Decrement running clock by amount of time that has passed */
14321 long timeRemaining;
14322 long lastTickLength, fudge;
14325 if (!appData.clockMode) return;
14326 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14330 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14332 /* Fudge if we woke up a little too soon */
14333 fudge = intendedTickLength - lastTickLength;
14334 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14336 if (WhiteOnMove(forwardMostMove)) {
14337 if(whiteNPS >= 0) lastTickLength = 0;
14338 timeRemaining = whiteTimeRemaining -= lastTickLength;
14339 if(timeRemaining < 0 && !appData.icsActive) {
14340 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14341 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14342 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14343 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14346 DisplayWhiteClock(whiteTimeRemaining - fudge,
14347 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14349 if(blackNPS >= 0) lastTickLength = 0;
14350 timeRemaining = blackTimeRemaining -= lastTickLength;
14351 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14352 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14354 blackStartMove = forwardMostMove;
14355 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14358 DisplayBlackClock(blackTimeRemaining - fudge,
14359 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14361 if (CheckFlags()) return;
14364 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14365 StartClockTimer(intendedTickLength);
14367 /* if the time remaining has fallen below the alarm threshold, sound the
14368 * alarm. if the alarm has sounded and (due to a takeback or time control
14369 * with increment) the time remaining has increased to a level above the
14370 * threshold, reset the alarm so it can sound again.
14373 if (appData.icsActive && appData.icsAlarm) {
14375 /* make sure we are dealing with the user's clock */
14376 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14377 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14380 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14381 alarmSounded = FALSE;
14382 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14384 alarmSounded = TRUE;
14390 /* A player has just moved, so stop the previously running
14391 clock and (if in clock mode) start the other one.
14392 We redisplay both clocks in case we're in ICS mode, because
14393 ICS gives us an update to both clocks after every move.
14394 Note that this routine is called *after* forwardMostMove
14395 is updated, so the last fractional tick must be subtracted
14396 from the color that is *not* on move now.
14399 SwitchClocks(int newMoveNr)
14401 long lastTickLength;
14403 int flagged = FALSE;
14407 if (StopClockTimer() && appData.clockMode) {
14408 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14409 if (!WhiteOnMove(forwardMostMove)) {
14410 if(blackNPS >= 0) lastTickLength = 0;
14411 blackTimeRemaining -= lastTickLength;
14412 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14413 // if(pvInfoList[forwardMostMove-1].time == -1)
14414 pvInfoList[forwardMostMove-1].time = // use GUI time
14415 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14417 if(whiteNPS >= 0) lastTickLength = 0;
14418 whiteTimeRemaining -= lastTickLength;
14419 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14420 // if(pvInfoList[forwardMostMove-1].time == -1)
14421 pvInfoList[forwardMostMove-1].time =
14422 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14424 flagged = CheckFlags();
14426 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14427 CheckTimeControl();
14429 if (flagged || !appData.clockMode) return;
14431 switch (gameMode) {
14432 case MachinePlaysBlack:
14433 case MachinePlaysWhite:
14434 case BeginningOfGame:
14435 if (pausing) return;
14439 case PlayFromGameFile:
14447 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14448 if(WhiteOnMove(forwardMostMove))
14449 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14450 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14454 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14455 whiteTimeRemaining : blackTimeRemaining);
14456 StartClockTimer(intendedTickLength);
14460 /* Stop both clocks */
14464 long lastTickLength;
14467 if (!StopClockTimer()) return;
14468 if (!appData.clockMode) return;
14472 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14473 if (WhiteOnMove(forwardMostMove)) {
14474 if(whiteNPS >= 0) lastTickLength = 0;
14475 whiteTimeRemaining -= lastTickLength;
14476 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14478 if(blackNPS >= 0) lastTickLength = 0;
14479 blackTimeRemaining -= lastTickLength;
14480 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14485 /* Start clock of player on move. Time may have been reset, so
14486 if clock is already running, stop and restart it. */
14490 (void) StopClockTimer(); /* in case it was running already */
14491 DisplayBothClocks();
14492 if (CheckFlags()) return;
14494 if (!appData.clockMode) return;
14495 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14497 GetTimeMark(&tickStartTM);
14498 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14499 whiteTimeRemaining : blackTimeRemaining);
14501 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14502 whiteNPS = blackNPS = -1;
14503 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14504 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14505 whiteNPS = first.nps;
14506 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14507 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14508 blackNPS = first.nps;
14509 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14510 whiteNPS = second.nps;
14511 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14512 blackNPS = second.nps;
14513 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14515 StartClockTimer(intendedTickLength);
14522 long second, minute, hour, day;
14524 static char buf[32];
14526 if (ms > 0 && ms <= 9900) {
14527 /* convert milliseconds to tenths, rounding up */
14528 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14530 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14534 /* convert milliseconds to seconds, rounding up */
14535 /* use floating point to avoid strangeness of integer division
14536 with negative dividends on many machines */
14537 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14544 day = second / (60 * 60 * 24);
14545 second = second % (60 * 60 * 24);
14546 hour = second / (60 * 60);
14547 second = second % (60 * 60);
14548 minute = second / 60;
14549 second = second % 60;
14552 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14553 sign, day, hour, minute, second);
14555 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14557 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14564 * This is necessary because some C libraries aren't ANSI C compliant yet.
14567 StrStr(string, match)
14568 char *string, *match;
14572 length = strlen(match);
14574 for (i = strlen(string) - length; i >= 0; i--, string++)
14575 if (!strncmp(match, string, length))
14582 StrCaseStr(string, match)
14583 char *string, *match;
14587 length = strlen(match);
14589 for (i = strlen(string) - length; i >= 0; i--, string++) {
14590 for (j = 0; j < length; j++) {
14591 if (ToLower(match[j]) != ToLower(string[j]))
14594 if (j == length) return string;
14608 c1 = ToLower(*s1++);
14609 c2 = ToLower(*s2++);
14610 if (c1 > c2) return 1;
14611 if (c1 < c2) return -1;
14612 if (c1 == NULLCHAR) return 0;
14621 return isupper(c) ? tolower(c) : c;
14629 return islower(c) ? toupper(c) : c;
14631 #endif /* !_amigados */
14639 if ((ret = (char *) malloc(strlen(s) + 1)))
14641 safeStrCpy(ret, s, strlen(s)+1);
14647 StrSavePtr(s, savePtr)
14648 char *s, **savePtr;
14653 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14654 safeStrCpy(*savePtr, s, strlen(s)+1);
14666 clock = time((time_t *)NULL);
14667 tm = localtime(&clock);
14668 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14669 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14670 return StrSave(buf);
14675 PositionToFEN(move, overrideCastling)
14677 char *overrideCastling;
14679 int i, j, fromX, fromY, toX, toY;
14686 whiteToPlay = (gameMode == EditPosition) ?
14687 !blackPlaysFirst : (move % 2 == 0);
14690 /* Piece placement data */
14691 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14693 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14694 if (boards[move][i][j] == EmptySquare) {
14696 } else { ChessSquare piece = boards[move][i][j];
14697 if (emptycount > 0) {
14698 if(emptycount<10) /* [HGM] can be >= 10 */
14699 *p++ = '0' + emptycount;
14700 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14703 if(PieceToChar(piece) == '+') {
14704 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14706 piece = (ChessSquare)(DEMOTED piece);
14708 *p++ = PieceToChar(piece);
14710 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14711 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14716 if (emptycount > 0) {
14717 if(emptycount<10) /* [HGM] can be >= 10 */
14718 *p++ = '0' + emptycount;
14719 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14726 /* [HGM] print Crazyhouse or Shogi holdings */
14727 if( gameInfo.holdingsWidth ) {
14728 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14730 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14731 piece = boards[move][i][BOARD_WIDTH-1];
14732 if( piece != EmptySquare )
14733 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14734 *p++ = PieceToChar(piece);
14736 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14737 piece = boards[move][BOARD_HEIGHT-i-1][0];
14738 if( piece != EmptySquare )
14739 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14740 *p++ = PieceToChar(piece);
14743 if( q == p ) *p++ = '-';
14749 *p++ = whiteToPlay ? 'w' : 'b';
14752 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14753 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14755 if(nrCastlingRights) {
14757 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14758 /* [HGM] write directly from rights */
14759 if(boards[move][CASTLING][2] != NoRights &&
14760 boards[move][CASTLING][0] != NoRights )
14761 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14762 if(boards[move][CASTLING][2] != NoRights &&
14763 boards[move][CASTLING][1] != NoRights )
14764 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14765 if(boards[move][CASTLING][5] != NoRights &&
14766 boards[move][CASTLING][3] != NoRights )
14767 *p++ = boards[move][CASTLING][3] + AAA;
14768 if(boards[move][CASTLING][5] != NoRights &&
14769 boards[move][CASTLING][4] != NoRights )
14770 *p++ = boards[move][CASTLING][4] + AAA;
14773 /* [HGM] write true castling rights */
14774 if( nrCastlingRights == 6 ) {
14775 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14776 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14777 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14778 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14779 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14780 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14781 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14782 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14785 if (q == p) *p++ = '-'; /* No castling rights */
14789 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14790 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14791 /* En passant target square */
14792 if (move > backwardMostMove) {
14793 fromX = moveList[move - 1][0] - AAA;
14794 fromY = moveList[move - 1][1] - ONE;
14795 toX = moveList[move - 1][2] - AAA;
14796 toY = moveList[move - 1][3] - ONE;
14797 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14798 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14799 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14801 /* 2-square pawn move just happened */
14803 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14807 } else if(move == backwardMostMove) {
14808 // [HGM] perhaps we should always do it like this, and forget the above?
14809 if((signed char)boards[move][EP_STATUS] >= 0) {
14810 *p++ = boards[move][EP_STATUS] + AAA;
14811 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14822 /* [HGM] find reversible plies */
14823 { int i = 0, j=move;
14825 if (appData.debugMode) { int k;
14826 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14827 for(k=backwardMostMove; k<=forwardMostMove; k++)
14828 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14832 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14833 if( j == backwardMostMove ) i += initialRulePlies;
14834 sprintf(p, "%d ", i);
14835 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14837 /* Fullmove number */
14838 sprintf(p, "%d", (move / 2) + 1);
14840 return StrSave(buf);
14844 ParseFEN(board, blackPlaysFirst, fen)
14846 int *blackPlaysFirst;
14856 /* [HGM] by default clear Crazyhouse holdings, if present */
14857 if(gameInfo.holdingsWidth) {
14858 for(i=0; i<BOARD_HEIGHT; i++) {
14859 board[i][0] = EmptySquare; /* black holdings */
14860 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14861 board[i][1] = (ChessSquare) 0; /* black counts */
14862 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14866 /* Piece placement data */
14867 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14870 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14871 if (*p == '/') p++;
14872 emptycount = gameInfo.boardWidth - j;
14873 while (emptycount--)
14874 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14876 #if(BOARD_FILES >= 10)
14877 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14878 p++; emptycount=10;
14879 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14880 while (emptycount--)
14881 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14883 } else if (isdigit(*p)) {
14884 emptycount = *p++ - '0';
14885 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14886 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14887 while (emptycount--)
14888 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14889 } else if (*p == '+' || isalpha(*p)) {
14890 if (j >= gameInfo.boardWidth) return FALSE;
14892 piece = CharToPiece(*++p);
14893 if(piece == EmptySquare) return FALSE; /* unknown piece */
14894 piece = (ChessSquare) (PROMOTED piece ); p++;
14895 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14896 } else piece = CharToPiece(*p++);
14898 if(piece==EmptySquare) return FALSE; /* unknown piece */
14899 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14900 piece = (ChessSquare) (PROMOTED piece);
14901 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14904 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14910 while (*p == '/' || *p == ' ') p++;
14912 /* [HGM] look for Crazyhouse holdings here */
14913 while(*p==' ') p++;
14914 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14916 if(*p == '-' ) p++; /* empty holdings */ else {
14917 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14918 /* if we would allow FEN reading to set board size, we would */
14919 /* have to add holdings and shift the board read so far here */
14920 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14922 if((int) piece >= (int) BlackPawn ) {
14923 i = (int)piece - (int)BlackPawn;
14924 i = PieceToNumber((ChessSquare)i);
14925 if( i >= gameInfo.holdingsSize ) return FALSE;
14926 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14927 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14929 i = (int)piece - (int)WhitePawn;
14930 i = PieceToNumber((ChessSquare)i);
14931 if( i >= gameInfo.holdingsSize ) return FALSE;
14932 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14933 board[i][BOARD_WIDTH-2]++; /* black holdings */
14940 while(*p == ' ') p++;
14944 if(appData.colorNickNames) {
14945 if( c == appData.colorNickNames[0] ) c = 'w'; else
14946 if( c == appData.colorNickNames[1] ) c = 'b';
14950 *blackPlaysFirst = FALSE;
14953 *blackPlaysFirst = TRUE;
14959 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14960 /* return the extra info in global variiables */
14962 /* set defaults in case FEN is incomplete */
14963 board[EP_STATUS] = EP_UNKNOWN;
14964 for(i=0; i<nrCastlingRights; i++ ) {
14965 board[CASTLING][i] =
14966 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14967 } /* assume possible unless obviously impossible */
14968 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14969 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14970 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14971 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14972 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14973 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14974 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14975 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14978 while(*p==' ') p++;
14979 if(nrCastlingRights) {
14980 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14981 /* castling indicator present, so default becomes no castlings */
14982 for(i=0; i<nrCastlingRights; i++ ) {
14983 board[CASTLING][i] = NoRights;
14986 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14987 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14988 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14989 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14990 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14992 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14993 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14994 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14996 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14997 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14998 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14999 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15000 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15001 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15004 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15005 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15006 board[CASTLING][2] = whiteKingFile;
15009 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15010 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15011 board[CASTLING][2] = whiteKingFile;
15014 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15015 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15016 board[CASTLING][5] = blackKingFile;
15019 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15020 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15021 board[CASTLING][5] = blackKingFile;
15024 default: /* FRC castlings */
15025 if(c >= 'a') { /* black rights */
15026 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15027 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15028 if(i == BOARD_RGHT) break;
15029 board[CASTLING][5] = i;
15031 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15032 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15034 board[CASTLING][3] = c;
15036 board[CASTLING][4] = c;
15037 } else { /* white rights */
15038 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15039 if(board[0][i] == WhiteKing) break;
15040 if(i == BOARD_RGHT) break;
15041 board[CASTLING][2] = i;
15042 c -= AAA - 'a' + 'A';
15043 if(board[0][c] >= WhiteKing) break;
15045 board[CASTLING][0] = c;
15047 board[CASTLING][1] = c;
15051 for(i=0; i<nrCastlingRights; i++)
15052 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15053 if (appData.debugMode) {
15054 fprintf(debugFP, "FEN castling rights:");
15055 for(i=0; i<nrCastlingRights; i++)
15056 fprintf(debugFP, " %d", board[CASTLING][i]);
15057 fprintf(debugFP, "\n");
15060 while(*p==' ') p++;
15063 /* read e.p. field in games that know e.p. capture */
15064 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15065 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15067 p++; board[EP_STATUS] = EP_NONE;
15069 char c = *p++ - AAA;
15071 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15072 if(*p >= '0' && *p <='9') p++;
15073 board[EP_STATUS] = c;
15078 if(sscanf(p, "%d", &i) == 1) {
15079 FENrulePlies = i; /* 50-move ply counter */
15080 /* (The move number is still ignored) */
15087 EditPositionPasteFEN(char *fen)
15090 Board initial_position;
15092 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15093 DisplayError(_("Bad FEN position in clipboard"), 0);
15096 int savedBlackPlaysFirst = blackPlaysFirst;
15097 EditPositionEvent();
15098 blackPlaysFirst = savedBlackPlaysFirst;
15099 CopyBoard(boards[0], initial_position);
15100 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15101 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15102 DisplayBothClocks();
15103 DrawPosition(FALSE, boards[currentMove]);
15108 static char cseq[12] = "\\ ";
15110 Boolean set_cont_sequence(char *new_seq)
15115 // handle bad attempts to set the sequence
15117 return 0; // acceptable error - no debug
15119 len = strlen(new_seq);
15120 ret = (len > 0) && (len < sizeof(cseq));
15122 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15123 else if (appData.debugMode)
15124 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15129 reformat a source message so words don't cross the width boundary. internal
15130 newlines are not removed. returns the wrapped size (no null character unless
15131 included in source message). If dest is NULL, only calculate the size required
15132 for the dest buffer. lp argument indicats line position upon entry, and it's
15133 passed back upon exit.
15135 int wrap(char *dest, char *src, int count, int width, int *lp)
15137 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15139 cseq_len = strlen(cseq);
15140 old_line = line = *lp;
15141 ansi = len = clen = 0;
15143 for (i=0; i < count; i++)
15145 if (src[i] == '\033')
15148 // if we hit the width, back up
15149 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15151 // store i & len in case the word is too long
15152 old_i = i, old_len = len;
15154 // find the end of the last word
15155 while (i && src[i] != ' ' && src[i] != '\n')
15161 // word too long? restore i & len before splitting it
15162 if ((old_i-i+clen) >= width)
15169 if (i && src[i-1] == ' ')
15172 if (src[i] != ' ' && src[i] != '\n')
15179 // now append the newline and continuation sequence
15184 strncpy(dest+len, cseq, cseq_len);
15192 dest[len] = src[i];
15196 if (src[i] == '\n')
15201 if (dest && appData.debugMode)
15203 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15204 count, width, line, len, *lp);
15205 show_bytes(debugFP, src, count);
15206 fprintf(debugFP, "\ndest: ");
15207 show_bytes(debugFP, dest, len);
15208 fprintf(debugFP, "\n");
15210 *lp = dest ? line : old_line;
15215 // [HGM] vari: routines for shelving variations
15218 PushTail(int firstMove, int lastMove)
15220 int i, j, nrMoves = lastMove - firstMove;
15222 if(appData.icsActive) { // only in local mode
15223 forwardMostMove = currentMove; // mimic old ICS behavior
15226 if(storedGames >= MAX_VARIATIONS-1) return;
15228 // push current tail of game on stack
15229 savedResult[storedGames] = gameInfo.result;
15230 savedDetails[storedGames] = gameInfo.resultDetails;
15231 gameInfo.resultDetails = NULL;
15232 savedFirst[storedGames] = firstMove;
15233 savedLast [storedGames] = lastMove;
15234 savedFramePtr[storedGames] = framePtr;
15235 framePtr -= nrMoves; // reserve space for the boards
15236 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15237 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15238 for(j=0; j<MOVE_LEN; j++)
15239 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15240 for(j=0; j<2*MOVE_LEN; j++)
15241 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15242 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15243 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15244 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15245 pvInfoList[firstMove+i-1].depth = 0;
15246 commentList[framePtr+i] = commentList[firstMove+i];
15247 commentList[firstMove+i] = NULL;
15251 forwardMostMove = firstMove; // truncate game so we can start variation
15252 if(storedGames == 1) GreyRevert(FALSE);
15256 PopTail(Boolean annotate)
15259 char buf[8000], moveBuf[20];
15261 if(appData.icsActive) return FALSE; // only in local mode
15262 if(!storedGames) return FALSE; // sanity
15263 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15266 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15267 nrMoves = savedLast[storedGames] - currentMove;
15270 if(!WhiteOnMove(currentMove))
15271 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15272 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15273 for(i=currentMove; i<forwardMostMove; i++) {
15275 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15276 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15277 strcat(buf, moveBuf);
15278 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15279 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15283 for(i=1; i<=nrMoves; i++) { // copy last variation back
15284 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15285 for(j=0; j<MOVE_LEN; j++)
15286 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15287 for(j=0; j<2*MOVE_LEN; j++)
15288 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15289 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15290 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15291 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15292 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15293 commentList[currentMove+i] = commentList[framePtr+i];
15294 commentList[framePtr+i] = NULL;
15296 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15297 framePtr = savedFramePtr[storedGames];
15298 gameInfo.result = savedResult[storedGames];
15299 if(gameInfo.resultDetails != NULL) {
15300 free(gameInfo.resultDetails);
15302 gameInfo.resultDetails = savedDetails[storedGames];
15303 forwardMostMove = currentMove + nrMoves;
15304 if(storedGames == 0) GreyRevert(TRUE);
15310 { // remove all shelved variations
15312 for(i=0; i<storedGames; i++) {
15313 if(savedDetails[i])
15314 free(savedDetails[i]);
15315 savedDetails[i] = NULL;
15317 for(i=framePtr; i<MAX_MOVES; i++) {
15318 if(commentList[i]) free(commentList[i]);
15319 commentList[i] = NULL;
15321 framePtr = MAX_MOVES-1;
15326 LoadVariation(int index, char *text)
15327 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15328 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15329 int level = 0, move;
15331 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15332 // first find outermost bracketing variation
15333 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15334 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15335 if(*p == '{') wait = '}'; else
15336 if(*p == '[') wait = ']'; else
15337 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15338 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15340 if(*p == wait) wait = NULLCHAR; // closing ]} found
15343 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15344 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15345 end[1] = NULLCHAR; // clip off comment beyond variation
15346 ToNrEvent(currentMove-1);
15347 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15348 // kludge: use ParsePV() to append variation to game
15349 move = currentMove;
15350 ParsePV(start, TRUE);
15351 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15352 ClearPremoveHighlights();
15354 ToNrEvent(currentMove+1);