2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
315 /* see for example: https://buildsecurityin.us-cert.gov/bsi-rules/home/g1/854-BSI.html
317 * usage: safeStrCpy( stringA, stringB, sizeof(stringA)/sizeof(stringA[0]);
320 assert( dst != NULL );
321 assert( src != NULL );
324 strncpy( dst, src, count );
325 if( dst[ count-1 ] != '\0' )
327 if(appData.debugMode)
328 printf("safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
330 dst[ count-1 ] = '\0';
335 /* Some compiler can't cast u64 to double
336 * This function do the job for us:
338 * We use the highest bit for cast, this only
339 * works if the highest bit is not
340 * in use (This should not happen)
342 * We used this for all compiler
345 u64ToDouble(u64 value)
348 u64 tmp = value & u64Const(0x7fffffffffffffff);
349 r = (double)(s64)tmp;
350 if (value & u64Const(0x8000000000000000))
351 r += 9.2233720368547758080e18; /* 2^63 */
355 /* Fake up flags for now, as we aren't keeping track of castling
356 availability yet. [HGM] Change of logic: the flag now only
357 indicates the type of castlings allowed by the rule of the game.
358 The actual rights themselves are maintained in the array
359 castlingRights, as part of the game history, and are not probed
365 int flags = F_ALL_CASTLE_OK;
366 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
367 switch (gameInfo.variant) {
369 flags &= ~F_ALL_CASTLE_OK;
370 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
371 flags |= F_IGNORE_CHECK;
373 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
376 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
378 case VariantKriegspiel:
379 flags |= F_KRIEGSPIEL_CAPTURE;
381 case VariantCapaRandom:
382 case VariantFischeRandom:
383 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
384 case VariantNoCastle:
385 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP;
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
455 int sending_ICS_login = 0;
456 int sending_ICS_password = 0;
459 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
460 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
461 long timeControl_2; /* [AS] Allow separate time controls */
462 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
463 long timeRemaining[2][MAX_MOVES];
465 TimeMark programStartTime;
466 char ics_handle[MSG_SIZ];
467 int have_set_title = 0;
469 /* animateTraining preserves the state of appData.animate
470 * when Training mode is activated. This allows the
471 * response to be animated when appData.animate == TRUE and
472 * appData.animateDragging == TRUE.
474 Boolean animateTraining;
480 Board boards[MAX_MOVES];
481 /* [HGM] Following 7 needed for accurate legality tests: */
482 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
483 signed char initialRights[BOARD_FILES];
484 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
485 int initialRulePlies, FENrulePlies;
486 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
489 int mute; // mute all sounds
491 // [HGM] vari: next 12 to save and restore variations
492 #define MAX_VARIATIONS 10
493 int framePtr = MAX_MOVES-1; // points to free stack entry
495 int savedFirst[MAX_VARIATIONS];
496 int savedLast[MAX_VARIATIONS];
497 int savedFramePtr[MAX_VARIATIONS];
498 char *savedDetails[MAX_VARIATIONS];
499 ChessMove savedResult[MAX_VARIATIONS];
501 void PushTail P((int firstMove, int lastMove));
502 Boolean PopTail P((Boolean annotate));
503 void CleanupTail P((void));
505 ChessSquare FIDEArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackBishop, BlackKnight, BlackRook }
512 ChessSquare twoKingsArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackKing, BlackKnight, BlackRook }
519 ChessSquare KnightmateArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
521 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
522 { BlackRook, BlackMan, BlackBishop, BlackQueen,
523 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
526 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
530 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
533 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
534 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
535 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
536 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
537 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
540 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
542 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackMan, BlackFerz,
544 BlackKing, BlackMan, BlackKnight, BlackRook }
548 #if (BOARD_FILES>=10)
549 ChessSquare ShogiArray[2][BOARD_FILES] = {
550 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
551 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
552 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
553 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
556 ChessSquare XiangqiArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
558 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
560 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
563 ChessSquare CapablancaArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
565 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
567 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
570 ChessSquare GreatArray[2][BOARD_FILES] = {
571 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
572 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
573 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
574 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
577 ChessSquare JanusArray[2][BOARD_FILES] = {
578 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
579 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
580 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
581 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
585 ChessSquare GothicArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
587 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
589 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
592 #define GothicArray CapablancaArray
596 ChessSquare FalconArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
598 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
600 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
603 #define FalconArray CapablancaArray
606 #else // !(BOARD_FILES>=10)
607 #define XiangqiPosition FIDEArray
608 #define CapablancaArray FIDEArray
609 #define GothicArray FIDEArray
610 #define GreatArray FIDEArray
611 #endif // !(BOARD_FILES>=10)
613 #if (BOARD_FILES>=12)
614 ChessSquare CourierArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
616 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
618 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
620 #else // !(BOARD_FILES>=12)
621 #define CourierArray CapablancaArray
622 #endif // !(BOARD_FILES>=12)
625 Board initialPosition;
628 /* Convert str to a rating. Checks for special cases of "----",
630 "++++", etc. Also strips ()'s */
632 string_to_rating(str)
635 while(*str && !isdigit(*str)) ++str;
637 return 0; /* One of the special "no rating" cases */
645 /* Init programStats */
646 programStats.movelist[0] = 0;
647 programStats.depth = 0;
648 programStats.nr_moves = 0;
649 programStats.moves_left = 0;
650 programStats.nodes = 0;
651 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
652 programStats.score = 0;
653 programStats.got_only_move = 0;
654 programStats.got_fail = 0;
655 programStats.line_is_book = 0;
661 int matched, min, sec;
663 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
664 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
666 GetTimeMark(&programStartTime);
667 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
670 programStats.ok_to_send = 1;
671 programStats.seen_stat = 0;
674 * Initialize game list
680 * Internet chess server status
682 if (appData.icsActive) {
683 appData.matchMode = FALSE;
684 appData.matchGames = 0;
686 appData.noChessProgram = !appData.zippyPlay;
688 appData.zippyPlay = FALSE;
689 appData.zippyTalk = FALSE;
690 appData.noChessProgram = TRUE;
692 if (*appData.icsHelper != NULLCHAR) {
693 appData.useTelnet = TRUE;
694 appData.telnetProgram = appData.icsHelper;
697 appData.zippyTalk = appData.zippyPlay = FALSE;
700 /* [AS] Initialize pv info list [HGM] and game state */
704 for( i=0; i<=framePtr; i++ ) {
705 pvInfoList[i].depth = -1;
706 boards[i][EP_STATUS] = EP_NONE;
707 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
712 * Parse timeControl resource
714 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
715 appData.movesPerSession)) {
717 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
718 DisplayFatalError(buf, 0, 2);
722 * Parse searchTime resource
724 if (*appData.searchTime != NULLCHAR) {
725 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
727 searchTime = min * 60;
728 } else if (matched == 2) {
729 searchTime = min * 60 + sec;
732 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
733 DisplayFatalError(buf, 0, 2);
737 /* [AS] Adjudication threshold */
738 adjudicateLossThreshold = appData.adjudicateLossThreshold;
740 first.which = _("first");
741 second.which = _("second");
742 first.maybeThinking = second.maybeThinking = FALSE;
743 first.pr = second.pr = NoProc;
744 first.isr = second.isr = NULL;
745 first.sendTime = second.sendTime = 2;
746 first.sendDrawOffers = 1;
747 if (appData.firstPlaysBlack) {
748 first.twoMachinesColor = "black\n";
749 second.twoMachinesColor = "white\n";
751 first.twoMachinesColor = "white\n";
752 second.twoMachinesColor = "black\n";
754 first.program = appData.firstChessProgram;
755 second.program = appData.secondChessProgram;
756 first.host = appData.firstHost;
757 second.host = appData.secondHost;
758 first.dir = appData.firstDirectory;
759 second.dir = appData.secondDirectory;
760 first.other = &second;
761 second.other = &first;
762 first.initString = appData.initString;
763 second.initString = appData.secondInitString;
764 first.computerString = appData.firstComputerString;
765 second.computerString = appData.secondComputerString;
766 first.useSigint = second.useSigint = TRUE;
767 first.useSigterm = second.useSigterm = TRUE;
768 first.reuse = appData.reuseFirst;
769 second.reuse = appData.reuseSecond;
770 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
771 second.nps = appData.secondNPS;
772 first.useSetboard = second.useSetboard = FALSE;
773 first.useSAN = second.useSAN = FALSE;
774 first.usePing = second.usePing = FALSE;
775 first.lastPing = second.lastPing = 0;
776 first.lastPong = second.lastPong = 0;
777 first.usePlayother = second.usePlayother = FALSE;
778 first.useColors = second.useColors = TRUE;
779 first.useUsermove = second.useUsermove = FALSE;
780 first.sendICS = second.sendICS = FALSE;
781 first.sendName = second.sendName = appData.icsActive;
782 first.sdKludge = second.sdKludge = FALSE;
783 first.stKludge = second.stKludge = FALSE;
784 TidyProgramName(first.program, first.host, first.tidy);
785 TidyProgramName(second.program, second.host, second.tidy);
786 first.matchWins = second.matchWins = 0;
787 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
788 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
789 first.analysisSupport = second.analysisSupport = 2; /* detect */
790 first.analyzing = second.analyzing = FALSE;
791 first.initDone = second.initDone = FALSE;
793 /* New features added by Tord: */
794 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
795 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
796 /* End of new features added by Tord. */
797 first.fenOverride = appData.fenOverride1;
798 second.fenOverride = appData.fenOverride2;
800 /* [HGM] time odds: set factor for each machine */
801 first.timeOdds = appData.firstTimeOdds;
802 second.timeOdds = appData.secondTimeOdds;
804 if(appData.timeOddsMode) {
805 norm = first.timeOdds;
806 if(norm > second.timeOdds) norm = second.timeOdds;
808 first.timeOdds /= norm;
809 second.timeOdds /= norm;
812 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
813 first.accumulateTC = appData.firstAccumulateTC;
814 second.accumulateTC = appData.secondAccumulateTC;
815 first.maxNrOfSessions = second.maxNrOfSessions = 1;
818 first.debug = second.debug = FALSE;
819 first.supportsNPS = second.supportsNPS = UNKNOWN;
822 first.optionSettings = appData.firstOptions;
823 second.optionSettings = appData.secondOptions;
825 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
826 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
827 first.isUCI = appData.firstIsUCI; /* [AS] */
828 second.isUCI = appData.secondIsUCI; /* [AS] */
829 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
830 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
832 if (appData.firstProtocolVersion > PROTOVER
833 || appData.firstProtocolVersion < 1)
838 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
839 appData.firstProtocolVersion);
840 if( (len > MSG_SIZ) && appData.debugMode )
841 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
843 DisplayFatalError(buf, 0, 2);
847 first.protocolVersion = appData.firstProtocolVersion;
850 if (appData.secondProtocolVersion > PROTOVER
851 || appData.secondProtocolVersion < 1)
856 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
857 appData.secondProtocolVersion);
858 if( (len > MSG_SIZ) && appData.debugMode )
859 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
861 DisplayFatalError(buf, 0, 2);
865 second.protocolVersion = appData.secondProtocolVersion;
868 if (appData.icsActive) {
869 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
870 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
871 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
872 appData.clockMode = FALSE;
873 first.sendTime = second.sendTime = 0;
877 /* Override some settings from environment variables, for backward
878 compatibility. Unfortunately it's not feasible to have the env
879 vars just set defaults, at least in xboard. Ugh.
881 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
886 if (appData.noChessProgram) {
887 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
888 sprintf(programVersion, "%s", PACKAGE_STRING);
890 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
891 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
892 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
895 if (!appData.icsActive) {
899 /* Check for variants that are supported only in ICS mode,
900 or not at all. Some that are accepted here nevertheless
901 have bugs; see comments below.
903 VariantClass variant = StringToVariant(appData.variant);
905 case VariantBughouse: /* need four players and two boards */
906 case VariantKriegspiel: /* need to hide pieces and move details */
907 /* case VariantFischeRandom: (Fabien: moved below) */
908 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
909 if( (len > MSG_SIZ) && appData.debugMode )
910 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
912 DisplayFatalError(buf, 0, 2);
916 case VariantLoadable:
926 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
927 if( (len > MSG_SIZ) && appData.debugMode )
928 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
930 DisplayFatalError(buf, 0, 2);
933 case VariantXiangqi: /* [HGM] repetition rules not implemented */
934 case VariantFairy: /* [HGM] TestLegality definitely off! */
935 case VariantGothic: /* [HGM] should work */
936 case VariantCapablanca: /* [HGM] should work */
937 case VariantCourier: /* [HGM] initial forced moves not implemented */
938 case VariantShogi: /* [HGM] could still mate with pawn drop */
939 case VariantKnightmate: /* [HGM] should work */
940 case VariantCylinder: /* [HGM] untested */
941 case VariantFalcon: /* [HGM] untested */
942 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
943 offboard interposition not understood */
944 case VariantNormal: /* definitely works! */
945 case VariantWildCastle: /* pieces not automatically shuffled */
946 case VariantNoCastle: /* pieces not automatically shuffled */
947 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
948 case VariantLosers: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantSuicide: /* should work except for win condition,
951 and doesn't know captures are mandatory */
952 case VariantGiveaway: /* should work except for win condition,
953 and doesn't know captures are mandatory */
954 case VariantTwoKings: /* should work */
955 case VariantAtomic: /* should work except for win condition */
956 case Variant3Check: /* should work except for win condition */
957 case VariantShatranj: /* should work except for all win conditions */
958 case VariantMakruk: /* should work except for daw countdown */
959 case VariantBerolina: /* might work if TestLegality is off */
960 case VariantCapaRandom: /* should work */
961 case VariantJanus: /* should work */
962 case VariantSuper: /* experimental */
963 case VariantGreat: /* experimental, requires legality testing to be off */
968 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
969 InitEngineUCI( installDir, &second );
972 int NextIntegerFromString( char ** str, long * value )
977 while( *s == ' ' || *s == '\t' ) {
983 if( *s >= '0' && *s <= '9' ) {
984 while( *s >= '0' && *s <= '9' ) {
985 *value = *value * 10 + (*s - '0');
997 int NextTimeControlFromString( char ** str, long * value )
1000 int result = NextIntegerFromString( str, &temp );
1003 *value = temp * 60; /* Minutes */
1004 if( **str == ':' ) {
1006 result = NextIntegerFromString( str, &temp );
1007 *value += temp; /* Seconds */
1014 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1015 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1016 int result = -1, type = 0; long temp, temp2;
1018 if(**str != ':') return -1; // old params remain in force!
1020 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1021 if( NextIntegerFromString( str, &temp ) ) return -1;
1022 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1025 /* time only: incremental or sudden-death time control */
1026 if(**str == '+') { /* increment follows; read it */
1028 if(**str == '!') type = *(*str)++; // Bronstein TC
1029 if(result = NextIntegerFromString( str, &temp2)) return -1;
1030 *inc = temp2 * 1000;
1031 if(**str == '.') { // read fraction of increment
1032 char *start = ++(*str);
1033 if(result = NextIntegerFromString( str, &temp2)) return -1;
1035 while(start++ < *str) temp2 /= 10;
1039 *moves = 0; *tc = temp * 1000; *incType = type;
1043 (*str)++; /* classical time control */
1044 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1055 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1056 { /* [HGM] get time to add from the multi-session time-control string */
1057 int incType, moves=1; /* kludge to force reading of first session */
1058 long time, increment;
1061 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1062 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1064 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1065 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1066 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1067 if(movenr == -1) return time; /* last move before new session */
1068 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1069 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1070 if(!moves) return increment; /* current session is incremental */
1071 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1072 } while(movenr >= -1); /* try again for next session */
1074 return 0; // no new time quota on this move
1078 ParseTimeControl(tc, ti, mps)
1085 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1088 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1089 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1090 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1094 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1096 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1099 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1101 snprintf(buf, MSG_SIZ, ":%s", mytc);
1103 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1105 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1110 /* Parse second time control */
1113 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1121 timeControl_2 = tc2 * 1000;
1131 timeControl = tc1 * 1000;
1134 timeIncrement = ti * 1000; /* convert to ms */
1135 movesPerSession = 0;
1138 movesPerSession = mps;
1146 if (appData.debugMode) {
1147 fprintf(debugFP, "%s\n", programVersion);
1150 set_cont_sequence(appData.wrapContSeq);
1151 if (appData.matchGames > 0) {
1152 appData.matchMode = TRUE;
1153 } else if (appData.matchMode) {
1154 appData.matchGames = 1;
1156 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1157 appData.matchGames = appData.sameColorGames;
1158 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1159 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1160 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1163 if (appData.noChessProgram || first.protocolVersion == 1) {
1166 /* kludge: allow timeout for initial "feature" commands */
1168 DisplayMessage("", _("Starting chess program"));
1169 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1174 InitBackEnd3 P((void))
1176 GameMode initialMode;
1180 InitChessProgram(&first, startedFromSetupPosition);
1182 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1183 free(programVersion);
1184 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1185 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1188 if (appData.icsActive) {
1190 /* [DM] Make a console window if needed [HGM] merged ifs */
1196 if (*appData.icsCommPort != NULLCHAR)
1197 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1198 appData.icsCommPort);
1200 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1201 appData.icsHost, appData.icsPort);
1203 if( (len > MSG_SIZ) && appData.debugMode )
1204 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1206 DisplayFatalError(buf, err, 1);
1211 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1213 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1214 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1215 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1216 } else if (appData.noChessProgram) {
1222 if (*appData.cmailGameName != NULLCHAR) {
1224 OpenLoopback(&cmailPR);
1226 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1230 DisplayMessage("", "");
1231 if (StrCaseCmp(appData.initialMode, "") == 0) {
1232 initialMode = BeginningOfGame;
1233 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1234 initialMode = TwoMachinesPlay;
1235 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1236 initialMode = AnalyzeFile;
1237 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1238 initialMode = AnalyzeMode;
1239 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1240 initialMode = MachinePlaysWhite;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1242 initialMode = MachinePlaysBlack;
1243 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1244 initialMode = EditGame;
1245 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1246 initialMode = EditPosition;
1247 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1248 initialMode = Training;
1250 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1251 if( (len > MSG_SIZ) && appData.debugMode )
1252 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1254 DisplayFatalError(buf, 0, 2);
1258 if (appData.matchMode) {
1259 /* Set up machine vs. machine match */
1260 if (appData.noChessProgram) {
1261 DisplayFatalError(_("Can't have a match with no chess programs"),
1267 if (*appData.loadGameFile != NULLCHAR) {
1268 int index = appData.loadGameIndex; // [HGM] autoinc
1269 if(index<0) lastIndex = index = 1;
1270 if (!LoadGameFromFile(appData.loadGameFile,
1272 appData.loadGameFile, FALSE)) {
1273 DisplayFatalError(_("Bad game file"), 0, 1);
1276 } else if (*appData.loadPositionFile != NULLCHAR) {
1277 int index = appData.loadPositionIndex; // [HGM] autoinc
1278 if(index<0) lastIndex = index = 1;
1279 if (!LoadPositionFromFile(appData.loadPositionFile,
1281 appData.loadPositionFile)) {
1282 DisplayFatalError(_("Bad position file"), 0, 1);
1287 } else if (*appData.cmailGameName != NULLCHAR) {
1288 /* Set up cmail mode */
1289 ReloadCmailMsgEvent(TRUE);
1291 /* Set up other modes */
1292 if (initialMode == AnalyzeFile) {
1293 if (*appData.loadGameFile == NULLCHAR) {
1294 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1298 if (*appData.loadGameFile != NULLCHAR) {
1299 (void) LoadGameFromFile(appData.loadGameFile,
1300 appData.loadGameIndex,
1301 appData.loadGameFile, TRUE);
1302 } else if (*appData.loadPositionFile != NULLCHAR) {
1303 (void) LoadPositionFromFile(appData.loadPositionFile,
1304 appData.loadPositionIndex,
1305 appData.loadPositionFile);
1306 /* [HGM] try to make self-starting even after FEN load */
1307 /* to allow automatic setup of fairy variants with wtm */
1308 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1309 gameMode = BeginningOfGame;
1310 setboardSpoiledMachineBlack = 1;
1312 /* [HGM] loadPos: make that every new game uses the setup */
1313 /* from file as long as we do not switch variant */
1314 if(!blackPlaysFirst) {
1315 startedFromPositionFile = TRUE;
1316 CopyBoard(filePosition, boards[0]);
1319 if (initialMode == AnalyzeMode) {
1320 if (appData.noChessProgram) {
1321 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1324 if (appData.icsActive) {
1325 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1329 } else if (initialMode == AnalyzeFile) {
1330 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1331 ShowThinkingEvent();
1333 AnalysisPeriodicEvent(1);
1334 } else if (initialMode == MachinePlaysWhite) {
1335 if (appData.noChessProgram) {
1336 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1340 if (appData.icsActive) {
1341 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1345 MachineWhiteEvent();
1346 } else if (initialMode == MachinePlaysBlack) {
1347 if (appData.noChessProgram) {
1348 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1352 if (appData.icsActive) {
1353 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1357 MachineBlackEvent();
1358 } else if (initialMode == TwoMachinesPlay) {
1359 if (appData.noChessProgram) {
1360 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1364 if (appData.icsActive) {
1365 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1370 } else if (initialMode == EditGame) {
1372 } else if (initialMode == EditPosition) {
1373 EditPositionEvent();
1374 } else if (initialMode == Training) {
1375 if (*appData.loadGameFile == NULLCHAR) {
1376 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1385 * Establish will establish a contact to a remote host.port.
1386 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1387 * used to talk to the host.
1388 * Returns 0 if okay, error code if not.
1395 if (*appData.icsCommPort != NULLCHAR) {
1396 /* Talk to the host through a serial comm port */
1397 return OpenCommPort(appData.icsCommPort, &icsPR);
1399 } else if (*appData.gateway != NULLCHAR) {
1400 if (*appData.remoteShell == NULLCHAR) {
1401 /* Use the rcmd protocol to run telnet program on a gateway host */
1402 snprintf(buf, sizeof(buf), "%s %s %s",
1403 appData.telnetProgram, appData.icsHost, appData.icsPort);
1404 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1407 /* Use the rsh program to run telnet program on a gateway host */
1408 if (*appData.remoteUser == NULLCHAR) {
1409 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1410 appData.gateway, appData.telnetProgram,
1411 appData.icsHost, appData.icsPort);
1413 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1414 appData.remoteShell, appData.gateway,
1415 appData.remoteUser, appData.telnetProgram,
1416 appData.icsHost, appData.icsPort);
1418 return StartChildProcess(buf, "", &icsPR);
1421 } else if (appData.useTelnet) {
1422 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1425 /* TCP socket interface differs somewhat between
1426 Unix and NT; handle details in the front end.
1428 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1432 void EscapeExpand(char *p, char *q)
1433 { // [HGM] initstring: routine to shape up string arguments
1434 while(*p++ = *q++) if(p[-1] == '\\')
1436 case 'n': p[-1] = '\n'; break;
1437 case 'r': p[-1] = '\r'; break;
1438 case 't': p[-1] = '\t'; break;
1439 case '\\': p[-1] = '\\'; break;
1440 case 0: *p = 0; return;
1441 default: p[-1] = q[-1]; break;
1446 show_bytes(fp, buf, count)
1452 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1453 fprintf(fp, "\\%03o", *buf & 0xff);
1462 /* Returns an errno value */
1464 OutputMaybeTelnet(pr, message, count, outError)
1470 char buf[8192], *p, *q, *buflim;
1471 int left, newcount, outcount;
1473 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1474 *appData.gateway != NULLCHAR) {
1475 if (appData.debugMode) {
1476 fprintf(debugFP, ">ICS: ");
1477 show_bytes(debugFP, message, count);
1478 fprintf(debugFP, "\n");
1480 return OutputToProcess(pr, message, count, outError);
1483 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1490 if (appData.debugMode) {
1491 fprintf(debugFP, ">ICS: ");
1492 show_bytes(debugFP, buf, newcount);
1493 fprintf(debugFP, "\n");
1495 outcount = OutputToProcess(pr, buf, newcount, outError);
1496 if (outcount < newcount) return -1; /* to be sure */
1503 } else if (((unsigned char) *p) == TN_IAC) {
1504 *q++ = (char) TN_IAC;
1511 if (appData.debugMode) {
1512 fprintf(debugFP, ">ICS: ");
1513 show_bytes(debugFP, buf, newcount);
1514 fprintf(debugFP, "\n");
1516 outcount = OutputToProcess(pr, buf, newcount, outError);
1517 if (outcount < newcount) return -1; /* to be sure */
1522 read_from_player(isr, closure, message, count, error)
1529 int outError, outCount;
1530 static int gotEof = 0;
1532 /* Pass data read from player on to ICS */
1535 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1536 if (outCount < count) {
1537 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1539 } else if (count < 0) {
1540 RemoveInputSource(isr);
1541 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1542 } else if (gotEof++ > 0) {
1543 RemoveInputSource(isr);
1544 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1550 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1551 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1552 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1553 SendToICS("date\n");
1554 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1557 /* added routine for printf style output to ics */
1558 void ics_printf(char *format, ...)
1560 char buffer[MSG_SIZ];
1563 va_start(args, format);
1564 vsnprintf(buffer, sizeof(buffer), format, args);
1565 buffer[sizeof(buffer)-1] = '\0';
1574 int count, outCount, outError;
1576 if (icsPR == NULL) return;
1579 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1580 if (outCount < count) {
1581 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1585 /* This is used for sending logon scripts to the ICS. Sending
1586 without a delay causes problems when using timestamp on ICC
1587 (at least on my machine). */
1589 SendToICSDelayed(s,msdelay)
1593 int count, outCount, outError;
1595 if (icsPR == NULL) return;
1598 if (appData.debugMode) {
1599 fprintf(debugFP, ">ICS: ");
1600 show_bytes(debugFP, s, count);
1601 fprintf(debugFP, "\n");
1603 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1605 if (outCount < count) {
1606 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1611 /* Remove all highlighting escape sequences in s
1612 Also deletes any suffix starting with '('
1615 StripHighlightAndTitle(s)
1618 static char retbuf[MSG_SIZ];
1621 while (*s != NULLCHAR) {
1622 while (*s == '\033') {
1623 while (*s != NULLCHAR && !isalpha(*s)) s++;
1624 if (*s != NULLCHAR) s++;
1626 while (*s != NULLCHAR && *s != '\033') {
1627 if (*s == '(' || *s == '[') {
1638 /* Remove all highlighting escape sequences in s */
1643 static char retbuf[MSG_SIZ];
1646 while (*s != NULLCHAR) {
1647 while (*s == '\033') {
1648 while (*s != NULLCHAR && !isalpha(*s)) s++;
1649 if (*s != NULLCHAR) s++;
1651 while (*s != NULLCHAR && *s != '\033') {
1659 char *variantNames[] = VARIANT_NAMES;
1664 return variantNames[v];
1668 /* Identify a variant from the strings the chess servers use or the
1669 PGN Variant tag names we use. */
1676 VariantClass v = VariantNormal;
1677 int i, found = FALSE;
1683 /* [HGM] skip over optional board-size prefixes */
1684 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1685 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1686 while( *e++ != '_');
1689 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1693 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1694 if (StrCaseStr(e, variantNames[i])) {
1695 v = (VariantClass) i;
1702 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1703 || StrCaseStr(e, "wild/fr")
1704 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1705 v = VariantFischeRandom;
1706 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1707 (i = 1, p = StrCaseStr(e, "w"))) {
1709 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1716 case 0: /* FICS only, actually */
1718 /* Castling legal even if K starts on d-file */
1719 v = VariantWildCastle;
1724 /* Castling illegal even if K & R happen to start in
1725 normal positions. */
1726 v = VariantNoCastle;
1739 /* Castling legal iff K & R start in normal positions */
1745 /* Special wilds for position setup; unclear what to do here */
1746 v = VariantLoadable;
1749 /* Bizarre ICC game */
1750 v = VariantTwoKings;
1753 v = VariantKriegspiel;
1759 v = VariantFischeRandom;
1762 v = VariantCrazyhouse;
1765 v = VariantBughouse;
1771 /* Not quite the same as FICS suicide! */
1772 v = VariantGiveaway;
1778 v = VariantShatranj;
1781 /* Temporary names for future ICC types. The name *will* change in
1782 the next xboard/WinBoard release after ICC defines it. */
1820 v = VariantCapablanca;
1823 v = VariantKnightmate;
1829 v = VariantCylinder;
1835 v = VariantCapaRandom;
1838 v = VariantBerolina;
1850 /* Found "wild" or "w" in the string but no number;
1851 must assume it's normal chess. */
1855 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1856 if( (len > MSG_SIZ) && appData.debugMode )
1857 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1859 DisplayError(buf, 0);
1865 if (appData.debugMode) {
1866 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1867 e, wnum, VariantName(v));
1872 static int leftover_start = 0, leftover_len = 0;
1873 char star_match[STAR_MATCH_N][MSG_SIZ];
1875 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1876 advance *index beyond it, and set leftover_start to the new value of
1877 *index; else return FALSE. If pattern contains the character '*', it
1878 matches any sequence of characters not containing '\r', '\n', or the
1879 character following the '*' (if any), and the matched sequence(s) are
1880 copied into star_match.
1883 looking_at(buf, index, pattern)
1888 char *bufp = &buf[*index], *patternp = pattern;
1890 char *matchp = star_match[0];
1893 if (*patternp == NULLCHAR) {
1894 *index = leftover_start = bufp - buf;
1898 if (*bufp == NULLCHAR) return FALSE;
1899 if (*patternp == '*') {
1900 if (*bufp == *(patternp + 1)) {
1902 matchp = star_match[++star_count];
1906 } else if (*bufp == '\n' || *bufp == '\r') {
1908 if (*patternp == NULLCHAR)
1913 *matchp++ = *bufp++;
1917 if (*patternp != *bufp) return FALSE;
1924 SendToPlayer(data, length)
1928 int error, outCount;
1929 outCount = OutputToProcess(NoProc, data, length, &error);
1930 if (outCount < length) {
1931 DisplayFatalError(_("Error writing to display"), error, 1);
1936 PackHolding(packed, holding)
1948 switch (runlength) {
1959 sprintf(q, "%d", runlength);
1971 /* Telnet protocol requests from the front end */
1973 TelnetRequest(ddww, option)
1974 unsigned char ddww, option;
1976 unsigned char msg[3];
1977 int outCount, outError;
1979 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1981 if (appData.debugMode) {
1982 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1998 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2007 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2010 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2015 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2017 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2024 if (!appData.icsActive) return;
2025 TelnetRequest(TN_DO, TN_ECHO);
2031 if (!appData.icsActive) return;
2032 TelnetRequest(TN_DONT, TN_ECHO);
2036 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2038 /* put the holdings sent to us by the server on the board holdings area */
2039 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2043 if(gameInfo.holdingsWidth < 2) return;
2044 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2045 return; // prevent overwriting by pre-board holdings
2047 if( (int)lowestPiece >= BlackPawn ) {
2050 holdingsStartRow = BOARD_HEIGHT-1;
2053 holdingsColumn = BOARD_WIDTH-1;
2054 countsColumn = BOARD_WIDTH-2;
2055 holdingsStartRow = 0;
2059 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2060 board[i][holdingsColumn] = EmptySquare;
2061 board[i][countsColumn] = (ChessSquare) 0;
2063 while( (p=*holdings++) != NULLCHAR ) {
2064 piece = CharToPiece( ToUpper(p) );
2065 if(piece == EmptySquare) continue;
2066 /*j = (int) piece - (int) WhitePawn;*/
2067 j = PieceToNumber(piece);
2068 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2069 if(j < 0) continue; /* should not happen */
2070 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2071 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2072 board[holdingsStartRow+j*direction][countsColumn]++;
2078 VariantSwitch(Board board, VariantClass newVariant)
2080 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2081 static Board oldBoard;
2083 startedFromPositionFile = FALSE;
2084 if(gameInfo.variant == newVariant) return;
2086 /* [HGM] This routine is called each time an assignment is made to
2087 * gameInfo.variant during a game, to make sure the board sizes
2088 * are set to match the new variant. If that means adding or deleting
2089 * holdings, we shift the playing board accordingly
2090 * This kludge is needed because in ICS observe mode, we get boards
2091 * of an ongoing game without knowing the variant, and learn about the
2092 * latter only later. This can be because of the move list we requested,
2093 * in which case the game history is refilled from the beginning anyway,
2094 * but also when receiving holdings of a crazyhouse game. In the latter
2095 * case we want to add those holdings to the already received position.
2099 if (appData.debugMode) {
2100 fprintf(debugFP, "Switch board from %s to %s\n",
2101 VariantName(gameInfo.variant), VariantName(newVariant));
2102 setbuf(debugFP, NULL);
2104 shuffleOpenings = 0; /* [HGM] shuffle */
2105 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2109 newWidth = 9; newHeight = 9;
2110 gameInfo.holdingsSize = 7;
2111 case VariantBughouse:
2112 case VariantCrazyhouse:
2113 newHoldingsWidth = 2; break;
2117 newHoldingsWidth = 2;
2118 gameInfo.holdingsSize = 8;
2121 case VariantCapablanca:
2122 case VariantCapaRandom:
2125 newHoldingsWidth = gameInfo.holdingsSize = 0;
2128 if(newWidth != gameInfo.boardWidth ||
2129 newHeight != gameInfo.boardHeight ||
2130 newHoldingsWidth != gameInfo.holdingsWidth ) {
2132 /* shift position to new playing area, if needed */
2133 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2134 for(i=0; i<BOARD_HEIGHT; i++)
2135 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2136 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2138 for(i=0; i<newHeight; i++) {
2139 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2140 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2142 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2143 for(i=0; i<BOARD_HEIGHT; i++)
2144 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2145 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2148 gameInfo.boardWidth = newWidth;
2149 gameInfo.boardHeight = newHeight;
2150 gameInfo.holdingsWidth = newHoldingsWidth;
2151 gameInfo.variant = newVariant;
2152 InitDrawingSizes(-2, 0);
2153 } else gameInfo.variant = newVariant;
2154 CopyBoard(oldBoard, board); // remember correctly formatted board
2155 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2156 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2159 static int loggedOn = FALSE;
2161 /*-- Game start info cache: --*/
2163 char gs_kind[MSG_SIZ];
2164 static char player1Name[128] = "";
2165 static char player2Name[128] = "";
2166 static char cont_seq[] = "\n\\ ";
2167 static int player1Rating = -1;
2168 static int player2Rating = -1;
2169 /*----------------------------*/
2171 ColorClass curColor = ColorNormal;
2172 int suppressKibitz = 0;
2175 Boolean soughtPending = FALSE;
2176 Boolean seekGraphUp;
2177 #define MAX_SEEK_ADS 200
2179 char *seekAdList[MAX_SEEK_ADS];
2180 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2181 float tcList[MAX_SEEK_ADS];
2182 char colorList[MAX_SEEK_ADS];
2183 int nrOfSeekAds = 0;
2184 int minRating = 1010, maxRating = 2800;
2185 int hMargin = 10, vMargin = 20, h, w;
2186 extern int squareSize, lineGap;
2191 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2192 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2193 if(r < minRating+100 && r >=0 ) r = minRating+100;
2194 if(r > maxRating) r = maxRating;
2195 if(tc < 1.) tc = 1.;
2196 if(tc > 95.) tc = 95.;
2197 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2198 y = ((double)r - minRating)/(maxRating - minRating)
2199 * (h-vMargin-squareSize/8-1) + vMargin;
2200 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2201 if(strstr(seekAdList[i], " u ")) color = 1;
2202 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2203 !strstr(seekAdList[i], "bullet") &&
2204 !strstr(seekAdList[i], "blitz") &&
2205 !strstr(seekAdList[i], "standard") ) color = 2;
2206 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2207 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2211 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2213 char buf[MSG_SIZ], *ext = "";
2214 VariantClass v = StringToVariant(type);
2215 if(strstr(type, "wild")) {
2216 ext = type + 4; // append wild number
2217 if(v == VariantFischeRandom) type = "chess960"; else
2218 if(v == VariantLoadable) type = "setup"; else
2219 type = VariantName(v);
2221 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2222 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2223 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2224 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2225 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2226 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2227 seekNrList[nrOfSeekAds] = nr;
2228 zList[nrOfSeekAds] = 0;
2229 seekAdList[nrOfSeekAds++] = StrSave(buf);
2230 if(plot) PlotSeekAd(nrOfSeekAds-1);
2237 int x = xList[i], y = yList[i], d=squareSize/4, k;
2238 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2239 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2240 // now replot every dot that overlapped
2241 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2242 int xx = xList[k], yy = yList[k];
2243 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2244 DrawSeekDot(xx, yy, colorList[k]);
2249 RemoveSeekAd(int nr)
2252 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2254 if(seekAdList[i]) free(seekAdList[i]);
2255 seekAdList[i] = seekAdList[--nrOfSeekAds];
2256 seekNrList[i] = seekNrList[nrOfSeekAds];
2257 ratingList[i] = ratingList[nrOfSeekAds];
2258 colorList[i] = colorList[nrOfSeekAds];
2259 tcList[i] = tcList[nrOfSeekAds];
2260 xList[i] = xList[nrOfSeekAds];
2261 yList[i] = yList[nrOfSeekAds];
2262 zList[i] = zList[nrOfSeekAds];
2263 seekAdList[nrOfSeekAds] = NULL;
2269 MatchSoughtLine(char *line)
2271 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2272 int nr, base, inc, u=0; char dummy;
2274 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2275 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2277 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2278 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2279 // match: compact and save the line
2280 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2290 if(!seekGraphUp) return FALSE;
2291 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2292 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2294 DrawSeekBackground(0, 0, w, h);
2295 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2296 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2297 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2298 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2300 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2303 snprintf(buf, MSG_SIZ, "%d", i);
2304 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2307 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2308 for(i=1; i<100; i+=(i<10?1:5)) {
2309 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2310 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2311 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2313 snprintf(buf, MSG_SIZ, "%d", i);
2314 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2317 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2321 int SeekGraphClick(ClickType click, int x, int y, int moving)
2323 static int lastDown = 0, displayed = 0, lastSecond;
2324 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2325 if(click == Release || moving) return FALSE;
2327 soughtPending = TRUE;
2328 SendToICS(ics_prefix);
2329 SendToICS("sought\n"); // should this be "sought all"?
2330 } else { // issue challenge based on clicked ad
2331 int dist = 10000; int i, closest = 0, second = 0;
2332 for(i=0; i<nrOfSeekAds; i++) {
2333 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2334 if(d < dist) { dist = d; closest = i; }
2335 second += (d - zList[i] < 120); // count in-range ads
2336 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2340 second = (second > 1);
2341 if(displayed != closest || second != lastSecond) {
2342 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2343 lastSecond = second; displayed = closest;
2345 if(click == Press) {
2346 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2349 } // on press 'hit', only show info
2350 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2351 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2352 SendToICS(ics_prefix);
2354 return TRUE; // let incoming board of started game pop down the graph
2355 } else if(click == Release) { // release 'miss' is ignored
2356 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2357 if(moving == 2) { // right up-click
2358 nrOfSeekAds = 0; // refresh graph
2359 soughtPending = TRUE;
2360 SendToICS(ics_prefix);
2361 SendToICS("sought\n"); // should this be "sought all"?
2364 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2365 // press miss or release hit 'pop down' seek graph
2366 seekGraphUp = FALSE;
2367 DrawPosition(TRUE, NULL);
2373 read_from_ics(isr, closure, data, count, error)
2380 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2381 #define STARTED_NONE 0
2382 #define STARTED_MOVES 1
2383 #define STARTED_BOARD 2
2384 #define STARTED_OBSERVE 3
2385 #define STARTED_HOLDINGS 4
2386 #define STARTED_CHATTER 5
2387 #define STARTED_COMMENT 6
2388 #define STARTED_MOVES_NOHIDE 7
2390 static int started = STARTED_NONE;
2391 static char parse[20000];
2392 static int parse_pos = 0;
2393 static char buf[BUF_SIZE + 1];
2394 static int firstTime = TRUE, intfSet = FALSE;
2395 static ColorClass prevColor = ColorNormal;
2396 static int savingComment = FALSE;
2397 static int cmatch = 0; // continuation sequence match
2404 int backup; /* [DM] For zippy color lines */
2406 char talker[MSG_SIZ]; // [HGM] chat
2409 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2411 if (appData.debugMode) {
2413 fprintf(debugFP, "<ICS: ");
2414 show_bytes(debugFP, data, count);
2415 fprintf(debugFP, "\n");
2419 if (appData.debugMode) { int f = forwardMostMove;
2420 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2421 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2422 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2425 /* If last read ended with a partial line that we couldn't parse,
2426 prepend it to the new read and try again. */
2427 if (leftover_len > 0) {
2428 for (i=0; i<leftover_len; i++)
2429 buf[i] = buf[leftover_start + i];
2432 /* copy new characters into the buffer */
2433 bp = buf + leftover_len;
2434 buf_len=leftover_len;
2435 for (i=0; i<count; i++)
2438 if (data[i] == '\r')
2441 // join lines split by ICS?
2442 if (!appData.noJoin)
2445 Joining just consists of finding matches against the
2446 continuation sequence, and discarding that sequence
2447 if found instead of copying it. So, until a match
2448 fails, there's nothing to do since it might be the
2449 complete sequence, and thus, something we don't want
2452 if (data[i] == cont_seq[cmatch])
2455 if (cmatch == strlen(cont_seq))
2457 cmatch = 0; // complete match. just reset the counter
2460 it's possible for the ICS to not include the space
2461 at the end of the last word, making our [correct]
2462 join operation fuse two separate words. the server
2463 does this when the space occurs at the width setting.
2465 if (!buf_len || buf[buf_len-1] != ' ')
2476 match failed, so we have to copy what matched before
2477 falling through and copying this character. In reality,
2478 this will only ever be just the newline character, but
2479 it doesn't hurt to be precise.
2481 strncpy(bp, cont_seq, cmatch);
2493 buf[buf_len] = NULLCHAR;
2494 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2499 while (i < buf_len) {
2500 /* Deal with part of the TELNET option negotiation
2501 protocol. We refuse to do anything beyond the
2502 defaults, except that we allow the WILL ECHO option,
2503 which ICS uses to turn off password echoing when we are
2504 directly connected to it. We reject this option
2505 if localLineEditing mode is on (always on in xboard)
2506 and we are talking to port 23, which might be a real
2507 telnet server that will try to keep WILL ECHO on permanently.
2509 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2510 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2511 unsigned char option;
2513 switch ((unsigned char) buf[++i]) {
2515 if (appData.debugMode)
2516 fprintf(debugFP, "\n<WILL ");
2517 switch (option = (unsigned char) buf[++i]) {
2519 if (appData.debugMode)
2520 fprintf(debugFP, "ECHO ");
2521 /* Reply only if this is a change, according
2522 to the protocol rules. */
2523 if (remoteEchoOption) break;
2524 if (appData.localLineEditing &&
2525 atoi(appData.icsPort) == TN_PORT) {
2526 TelnetRequest(TN_DONT, TN_ECHO);
2529 TelnetRequest(TN_DO, TN_ECHO);
2530 remoteEchoOption = TRUE;
2534 if (appData.debugMode)
2535 fprintf(debugFP, "%d ", option);
2536 /* Whatever this is, we don't want it. */
2537 TelnetRequest(TN_DONT, option);
2542 if (appData.debugMode)
2543 fprintf(debugFP, "\n<WONT ");
2544 switch (option = (unsigned char) buf[++i]) {
2546 if (appData.debugMode)
2547 fprintf(debugFP, "ECHO ");
2548 /* Reply only if this is a change, according
2549 to the protocol rules. */
2550 if (!remoteEchoOption) break;
2552 TelnetRequest(TN_DONT, TN_ECHO);
2553 remoteEchoOption = FALSE;
2556 if (appData.debugMode)
2557 fprintf(debugFP, "%d ", (unsigned char) option);
2558 /* Whatever this is, it must already be turned
2559 off, because we never agree to turn on
2560 anything non-default, so according to the
2561 protocol rules, we don't reply. */
2566 if (appData.debugMode)
2567 fprintf(debugFP, "\n<DO ");
2568 switch (option = (unsigned char) buf[++i]) {
2570 /* Whatever this is, we refuse to do it. */
2571 if (appData.debugMode)
2572 fprintf(debugFP, "%d ", option);
2573 TelnetRequest(TN_WONT, option);
2578 if (appData.debugMode)
2579 fprintf(debugFP, "\n<DONT ");
2580 switch (option = (unsigned char) buf[++i]) {
2582 if (appData.debugMode)
2583 fprintf(debugFP, "%d ", option);
2584 /* Whatever this is, we are already not doing
2585 it, because we never agree to do anything
2586 non-default, so according to the protocol
2587 rules, we don't reply. */
2592 if (appData.debugMode)
2593 fprintf(debugFP, "\n<IAC ");
2594 /* Doubled IAC; pass it through */
2598 if (appData.debugMode)
2599 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2600 /* Drop all other telnet commands on the floor */
2603 if (oldi > next_out)
2604 SendToPlayer(&buf[next_out], oldi - next_out);
2610 /* OK, this at least will *usually* work */
2611 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2615 if (loggedOn && !intfSet) {
2616 if (ics_type == ICS_ICC) {
2617 snprintf(str, MSG_SIZ,
2618 "/set-quietly interface %s\n/set-quietly style 12\n",
2620 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2621 strcat(str, "/set-2 51 1\n/set seek 1\n");
2622 } else if (ics_type == ICS_CHESSNET) {
2623 snprintf(str, MSG_SIZ, "/style 12\n");
2625 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2626 strcat(str, programVersion);
2627 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2628 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2629 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2631 strcat(str, "$iset nohighlight 1\n");
2633 strcat(str, "$iset lock 1\n$style 12\n");
2636 NotifyFrontendLogin();
2640 if (started == STARTED_COMMENT) {
2641 /* Accumulate characters in comment */
2642 parse[parse_pos++] = buf[i];
2643 if (buf[i] == '\n') {
2644 parse[parse_pos] = NULLCHAR;
2645 if(chattingPartner>=0) {
2647 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2648 OutputChatMessage(chattingPartner, mess);
2649 chattingPartner = -1;
2650 next_out = i+1; // [HGM] suppress printing in ICS window
2652 if(!suppressKibitz) // [HGM] kibitz
2653 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2654 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2655 int nrDigit = 0, nrAlph = 0, j;
2656 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2657 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2658 parse[parse_pos] = NULLCHAR;
2659 // try to be smart: if it does not look like search info, it should go to
2660 // ICS interaction window after all, not to engine-output window.
2661 for(j=0; j<parse_pos; j++) { // count letters and digits
2662 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2663 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2664 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2666 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2667 int depth=0; float score;
2668 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2669 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2670 pvInfoList[forwardMostMove-1].depth = depth;
2671 pvInfoList[forwardMostMove-1].score = 100*score;
2673 OutputKibitz(suppressKibitz, parse);
2676 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2677 SendToPlayer(tmp, strlen(tmp));
2679 next_out = i+1; // [HGM] suppress printing in ICS window
2681 started = STARTED_NONE;
2683 /* Don't match patterns against characters in comment */
2688 if (started == STARTED_CHATTER) {
2689 if (buf[i] != '\n') {
2690 /* Don't match patterns against characters in chatter */
2694 started = STARTED_NONE;
2695 if(suppressKibitz) next_out = i+1;
2698 /* Kludge to deal with rcmd protocol */
2699 if (firstTime && looking_at(buf, &i, "\001*")) {
2700 DisplayFatalError(&buf[1], 0, 1);
2706 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2709 if (appData.debugMode)
2710 fprintf(debugFP, "ics_type %d\n", ics_type);
2713 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2714 ics_type = ICS_FICS;
2716 if (appData.debugMode)
2717 fprintf(debugFP, "ics_type %d\n", ics_type);
2720 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2721 ics_type = ICS_CHESSNET;
2723 if (appData.debugMode)
2724 fprintf(debugFP, "ics_type %d\n", ics_type);
2729 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2730 looking_at(buf, &i, "Logging you in as \"*\"") ||
2731 looking_at(buf, &i, "will be \"*\""))) {
2732 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2736 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2738 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2739 DisplayIcsInteractionTitle(buf);
2740 have_set_title = TRUE;
2743 /* skip finger notes */
2744 if (started == STARTED_NONE &&
2745 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2746 (buf[i] == '1' && buf[i+1] == '0')) &&
2747 buf[i+2] == ':' && buf[i+3] == ' ') {
2748 started = STARTED_CHATTER;
2754 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2755 if(appData.seekGraph) {
2756 if(soughtPending && MatchSoughtLine(buf+i)) {
2757 i = strstr(buf+i, "rated") - buf;
2758 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2759 next_out = leftover_start = i;
2760 started = STARTED_CHATTER;
2761 suppressKibitz = TRUE;
2764 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2765 && looking_at(buf, &i, "* ads displayed")) {
2766 soughtPending = FALSE;
2771 if(appData.autoRefresh) {
2772 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2773 int s = (ics_type == ICS_ICC); // ICC format differs
2775 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2776 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2777 looking_at(buf, &i, "*% "); // eat prompt
2778 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2779 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2780 next_out = i; // suppress
2783 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2784 char *p = star_match[0];
2786 if(seekGraphUp) RemoveSeekAd(atoi(p));
2787 while(*p && *p++ != ' '); // next
2789 looking_at(buf, &i, "*% "); // eat prompt
2790 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2797 /* skip formula vars */
2798 if (started == STARTED_NONE &&
2799 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2800 started = STARTED_CHATTER;
2805 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2806 if (appData.autoKibitz && started == STARTED_NONE &&
2807 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2808 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2809 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2810 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2811 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2812 suppressKibitz = TRUE;
2813 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2815 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2816 && (gameMode == IcsPlayingWhite)) ||
2817 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2818 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2819 started = STARTED_CHATTER; // own kibitz we simply discard
2821 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2822 parse_pos = 0; parse[0] = NULLCHAR;
2823 savingComment = TRUE;
2824 suppressKibitz = gameMode != IcsObserving ? 2 :
2825 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2829 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2830 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2831 && atoi(star_match[0])) {
2832 // suppress the acknowledgements of our own autoKibitz
2834 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2835 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2836 SendToPlayer(star_match[0], strlen(star_match[0]));
2837 if(looking_at(buf, &i, "*% ")) // eat prompt
2838 suppressKibitz = FALSE;
2842 } // [HGM] kibitz: end of patch
2844 // [HGM] chat: intercept tells by users for which we have an open chat window
2846 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2847 looking_at(buf, &i, "* whispers:") ||
2848 looking_at(buf, &i, "* kibitzes:") ||
2849 looking_at(buf, &i, "* shouts:") ||
2850 looking_at(buf, &i, "* c-shouts:") ||
2851 looking_at(buf, &i, "--> * ") ||
2852 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2853 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2854 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2857 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2858 chattingPartner = -1;
2860 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2861 for(p=0; p<MAX_CHAT; p++) {
2862 if(channel == atoi(chatPartner[p])) {
2863 talker[0] = '['; strcat(talker, "] ");
2864 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2865 chattingPartner = p; break;
2868 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2869 for(p=0; p<MAX_CHAT; p++) {
2870 if(!strcmp("kibitzes", chatPartner[p])) {
2871 talker[0] = '['; strcat(talker, "] ");
2872 chattingPartner = p; break;
2875 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2876 for(p=0; p<MAX_CHAT; p++) {
2877 if(!strcmp("whispers", chatPartner[p])) {
2878 talker[0] = '['; strcat(talker, "] ");
2879 chattingPartner = p; break;
2882 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2883 if(buf[i-8] == '-' && buf[i-3] == 't')
2884 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2885 if(!strcmp("c-shouts", chatPartner[p])) {
2886 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2887 chattingPartner = p; break;
2890 if(chattingPartner < 0)
2891 for(p=0; p<MAX_CHAT; p++) {
2892 if(!strcmp("shouts", chatPartner[p])) {
2893 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2894 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2895 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2896 chattingPartner = p; break;
2900 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2901 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2902 talker[0] = 0; Colorize(ColorTell, FALSE);
2903 chattingPartner = p; break;
2905 if(chattingPartner<0) i = oldi; else {
2906 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2907 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2908 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2909 started = STARTED_COMMENT;
2910 parse_pos = 0; parse[0] = NULLCHAR;
2911 savingComment = 3 + chattingPartner; // counts as TRUE
2912 suppressKibitz = TRUE;
2915 } // [HGM] chat: end of patch
2917 if (appData.zippyTalk || appData.zippyPlay) {
2918 /* [DM] Backup address for color zippy lines */
2921 if (loggedOn == TRUE)
2922 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2923 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2925 } // [DM] 'else { ' deleted
2927 /* Regular tells and says */
2928 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2929 looking_at(buf, &i, "* (your partner) tells you: ") ||
2930 looking_at(buf, &i, "* says: ") ||
2931 /* Don't color "message" or "messages" output */
2932 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2933 looking_at(buf, &i, "*. * at *:*: ") ||
2934 looking_at(buf, &i, "--* (*:*): ") ||
2935 /* Message notifications (same color as tells) */
2936 looking_at(buf, &i, "* has left a message ") ||
2937 looking_at(buf, &i, "* just sent you a message:\n") ||
2938 /* Whispers and kibitzes */
2939 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2940 looking_at(buf, &i, "* kibitzes: ") ||
2942 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2944 if (tkind == 1 && strchr(star_match[0], ':')) {
2945 /* Avoid "tells you:" spoofs in channels */
2948 if (star_match[0][0] == NULLCHAR ||
2949 strchr(star_match[0], ' ') ||
2950 (tkind == 3 && strchr(star_match[1], ' '))) {
2951 /* Reject bogus matches */
2954 if (appData.colorize) {
2955 if (oldi > next_out) {
2956 SendToPlayer(&buf[next_out], oldi - next_out);
2961 Colorize(ColorTell, FALSE);
2962 curColor = ColorTell;
2965 Colorize(ColorKibitz, FALSE);
2966 curColor = ColorKibitz;
2969 p = strrchr(star_match[1], '(');
2976 Colorize(ColorChannel1, FALSE);
2977 curColor = ColorChannel1;
2979 Colorize(ColorChannel, FALSE);
2980 curColor = ColorChannel;
2984 curColor = ColorNormal;
2988 if (started == STARTED_NONE && appData.autoComment &&
2989 (gameMode == IcsObserving ||
2990 gameMode == IcsPlayingWhite ||
2991 gameMode == IcsPlayingBlack)) {
2992 parse_pos = i - oldi;
2993 memcpy(parse, &buf[oldi], parse_pos);
2994 parse[parse_pos] = NULLCHAR;
2995 started = STARTED_COMMENT;
2996 savingComment = TRUE;
2998 started = STARTED_CHATTER;
2999 savingComment = FALSE;
3006 if (looking_at(buf, &i, "* s-shouts: ") ||
3007 looking_at(buf, &i, "* c-shouts: ")) {
3008 if (appData.colorize) {
3009 if (oldi > next_out) {
3010 SendToPlayer(&buf[next_out], oldi - next_out);
3013 Colorize(ColorSShout, FALSE);
3014 curColor = ColorSShout;
3017 started = STARTED_CHATTER;
3021 if (looking_at(buf, &i, "--->")) {
3026 if (looking_at(buf, &i, "* shouts: ") ||
3027 looking_at(buf, &i, "--> ")) {
3028 if (appData.colorize) {
3029 if (oldi > next_out) {
3030 SendToPlayer(&buf[next_out], oldi - next_out);
3033 Colorize(ColorShout, FALSE);
3034 curColor = ColorShout;
3037 started = STARTED_CHATTER;
3041 if (looking_at( buf, &i, "Challenge:")) {
3042 if (appData.colorize) {
3043 if (oldi > next_out) {
3044 SendToPlayer(&buf[next_out], oldi - next_out);
3047 Colorize(ColorChallenge, FALSE);
3048 curColor = ColorChallenge;
3054 if (looking_at(buf, &i, "* offers you") ||
3055 looking_at(buf, &i, "* offers to be") ||
3056 looking_at(buf, &i, "* would like to") ||
3057 looking_at(buf, &i, "* requests to") ||
3058 looking_at(buf, &i, "Your opponent offers") ||
3059 looking_at(buf, &i, "Your opponent requests")) {
3061 if (appData.colorize) {
3062 if (oldi > next_out) {
3063 SendToPlayer(&buf[next_out], oldi - next_out);
3066 Colorize(ColorRequest, FALSE);
3067 curColor = ColorRequest;
3072 if (looking_at(buf, &i, "* (*) seeking")) {
3073 if (appData.colorize) {
3074 if (oldi > next_out) {
3075 SendToPlayer(&buf[next_out], oldi - next_out);
3078 Colorize(ColorSeek, FALSE);
3079 curColor = ColorSeek;
3084 if (looking_at(buf, &i, "\\ ")) {
3085 if (prevColor != ColorNormal) {
3086 if (oldi > next_out) {
3087 SendToPlayer(&buf[next_out], oldi - next_out);
3090 Colorize(prevColor, TRUE);
3091 curColor = prevColor;
3093 if (savingComment) {
3094 parse_pos = i - oldi;
3095 memcpy(parse, &buf[oldi], parse_pos);
3096 parse[parse_pos] = NULLCHAR;
3097 started = STARTED_COMMENT;
3098 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3099 chattingPartner = savingComment - 3; // kludge to remember the box
3101 started = STARTED_CHATTER;
3106 if (looking_at(buf, &i, "Black Strength :") ||
3107 looking_at(buf, &i, "<<< style 10 board >>>") ||
3108 looking_at(buf, &i, "<10>") ||
3109 looking_at(buf, &i, "#@#")) {
3110 /* Wrong board style */
3112 SendToICS(ics_prefix);
3113 SendToICS("set style 12\n");
3114 SendToICS(ics_prefix);
3115 SendToICS("refresh\n");
3119 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3121 have_sent_ICS_logon = 1;
3122 /* if we don't send the login/password via icsLogon, use special readline
3124 if (strlen(appData.icsLogon)==0)
3126 sending_ICS_password = 0; // in case we come back to login
3127 sending_ICS_login = 1;
3131 /* need to shadow the password */
3132 if (!sending_ICS_password && looking_at(buf, &i, "password:")) {
3133 /* if we don't send the login/password via icsLogon, use special readline
3135 if (strlen(appData.icsLogon)==0)
3136 sending_ICS_password = 1;
3140 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3141 (looking_at(buf, &i, "\n<12> ") ||
3142 looking_at(buf, &i, "<12> "))) {
3144 if (oldi > next_out) {
3145 SendToPlayer(&buf[next_out], oldi - next_out);
3148 started = STARTED_BOARD;
3153 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3154 looking_at(buf, &i, "<b1> ")) {
3155 if (oldi > next_out) {
3156 SendToPlayer(&buf[next_out], oldi - next_out);
3159 started = STARTED_HOLDINGS;
3164 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3166 /* Header for a move list -- first line */
3168 switch (ics_getting_history) {
3172 case BeginningOfGame:
3173 /* User typed "moves" or "oldmoves" while we
3174 were idle. Pretend we asked for these
3175 moves and soak them up so user can step
3176 through them and/or save them.
3179 gameMode = IcsObserving;
3182 ics_getting_history = H_GOT_UNREQ_HEADER;
3184 case EditGame: /*?*/
3185 case EditPosition: /*?*/
3186 /* Should above feature work in these modes too? */
3187 /* For now it doesn't */
3188 ics_getting_history = H_GOT_UNWANTED_HEADER;
3191 ics_getting_history = H_GOT_UNWANTED_HEADER;
3196 /* Is this the right one? */
3197 if (gameInfo.white && gameInfo.black &&
3198 strcmp(gameInfo.white, star_match[0]) == 0 &&
3199 strcmp(gameInfo.black, star_match[2]) == 0) {
3201 ics_getting_history = H_GOT_REQ_HEADER;
3204 case H_GOT_REQ_HEADER:
3205 case H_GOT_UNREQ_HEADER:
3206 case H_GOT_UNWANTED_HEADER:
3207 case H_GETTING_MOVES:
3208 /* Should not happen */
3209 DisplayError(_("Error gathering move list: two headers"), 0);
3210 ics_getting_history = H_FALSE;
3214 /* Save player ratings into gameInfo if needed */
3215 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3216 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3217 (gameInfo.whiteRating == -1 ||
3218 gameInfo.blackRating == -1)) {
3220 gameInfo.whiteRating = string_to_rating(star_match[1]);
3221 gameInfo.blackRating = string_to_rating(star_match[3]);
3222 if (appData.debugMode)
3223 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3224 gameInfo.whiteRating, gameInfo.blackRating);
3229 if (looking_at(buf, &i,
3230 "* * match, initial time: * minute*, increment: * second")) {
3231 /* Header for a move list -- second line */
3232 /* Initial board will follow if this is a wild game */
3233 if (gameInfo.event != NULL) free(gameInfo.event);
3234 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3235 gameInfo.event = StrSave(str);
3236 /* [HGM] we switched variant. Translate boards if needed. */
3237 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3241 if (looking_at(buf, &i, "Move ")) {
3242 /* Beginning of a move list */
3243 switch (ics_getting_history) {
3245 /* Normally should not happen */
3246 /* Maybe user hit reset while we were parsing */
3249 /* Happens if we are ignoring a move list that is not
3250 * the one we just requested. Common if the user
3251 * tries to observe two games without turning off
3254 case H_GETTING_MOVES:
3255 /* Should not happen */
3256 DisplayError(_("Error gathering move list: nested"), 0);
3257 ics_getting_history = H_FALSE;
3259 case H_GOT_REQ_HEADER:
3260 ics_getting_history = H_GETTING_MOVES;
3261 started = STARTED_MOVES;
3263 if (oldi > next_out) {
3264 SendToPlayer(&buf[next_out], oldi - next_out);
3267 case H_GOT_UNREQ_HEADER:
3268 ics_getting_history = H_GETTING_MOVES;
3269 started = STARTED_MOVES_NOHIDE;
3272 case H_GOT_UNWANTED_HEADER:
3273 ics_getting_history = H_FALSE;
3279 if (looking_at(buf, &i, "% ") ||
3280 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3281 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3282 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3283 soughtPending = FALSE;
3287 if(suppressKibitz) next_out = i;
3288 savingComment = FALSE;
3292 case STARTED_MOVES_NOHIDE:
3293 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3294 parse[parse_pos + i - oldi] = NULLCHAR;
3295 ParseGameHistory(parse);
3297 if (appData.zippyPlay && first.initDone) {
3298 FeedMovesToProgram(&first, forwardMostMove);
3299 if (gameMode == IcsPlayingWhite) {
3300 if (WhiteOnMove(forwardMostMove)) {
3301 if (first.sendTime) {
3302 if (first.useColors) {
3303 SendToProgram("black\n", &first);
3305 SendTimeRemaining(&first, TRUE);
3307 if (first.useColors) {
3308 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3310 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3311 first.maybeThinking = TRUE;
3313 if (first.usePlayother) {
3314 if (first.sendTime) {
3315 SendTimeRemaining(&first, TRUE);
3317 SendToProgram("playother\n", &first);
3323 } else if (gameMode == IcsPlayingBlack) {
3324 if (!WhiteOnMove(forwardMostMove)) {
3325 if (first.sendTime) {
3326 if (first.useColors) {
3327 SendToProgram("white\n", &first);
3329 SendTimeRemaining(&first, FALSE);
3331 if (first.useColors) {
3332 SendToProgram("black\n", &first);
3334 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3335 first.maybeThinking = TRUE;
3337 if (first.usePlayother) {
3338 if (first.sendTime) {
3339 SendTimeRemaining(&first, FALSE);
3341 SendToProgram("playother\n", &first);
3350 if (gameMode == IcsObserving && ics_gamenum == -1) {
3351 /* Moves came from oldmoves or moves command
3352 while we weren't doing anything else.
3354 currentMove = forwardMostMove;
3355 ClearHighlights();/*!!could figure this out*/
3356 flipView = appData.flipView;
3357 DrawPosition(TRUE, boards[currentMove]);
3358 DisplayBothClocks();
3359 snprintf(str, MSG_SIZ, "%s vs. %s",
3360 gameInfo.white, gameInfo.black);
3364 /* Moves were history of an active game */
3365 if (gameInfo.resultDetails != NULL) {
3366 free(gameInfo.resultDetails);
3367 gameInfo.resultDetails = NULL;
3370 HistorySet(parseList, backwardMostMove,
3371 forwardMostMove, currentMove-1);
3372 DisplayMove(currentMove - 1);
3373 if (started == STARTED_MOVES) next_out = i;
3374 started = STARTED_NONE;
3375 ics_getting_history = H_FALSE;
3378 case STARTED_OBSERVE:
3379 started = STARTED_NONE;
3380 SendToICS(ics_prefix);
3381 SendToICS("refresh\n");
3387 if(bookHit) { // [HGM] book: simulate book reply
3388 static char bookMove[MSG_SIZ]; // a bit generous?
3390 programStats.nodes = programStats.depth = programStats.time =
3391 programStats.score = programStats.got_only_move = 0;
3392 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3394 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3395 strcat(bookMove, bookHit);
3396 HandleMachineMove(bookMove, &first);
3401 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3402 started == STARTED_HOLDINGS ||
3403 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3404 /* Accumulate characters in move list or board */
3405 parse[parse_pos++] = buf[i];
3408 /* Start of game messages. Mostly we detect start of game
3409 when the first board image arrives. On some versions
3410 of the ICS, though, we need to do a "refresh" after starting
3411 to observe in order to get the current board right away. */
3412 if (looking_at(buf, &i, "Adding game * to observation list")) {
3413 started = STARTED_OBSERVE;
3417 /* Handle auto-observe */
3418 if (appData.autoObserve &&
3419 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3420 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3422 /* Choose the player that was highlighted, if any. */
3423 if (star_match[0][0] == '\033' ||
3424 star_match[1][0] != '\033') {
3425 player = star_match[0];
3427 player = star_match[2];
3429 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3430 ics_prefix, StripHighlightAndTitle(player));
3433 /* Save ratings from notify string */
3434 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3435 player1Rating = string_to_rating(star_match[1]);
3436 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3437 player2Rating = string_to_rating(star_match[3]);
3439 if (appData.debugMode)
3441 "Ratings from 'Game notification:' %s %d, %s %d\n",
3442 player1Name, player1Rating,
3443 player2Name, player2Rating);
3448 /* Deal with automatic examine mode after a game,
3449 and with IcsObserving -> IcsExamining transition */
3450 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3451 looking_at(buf, &i, "has made you an examiner of game *")) {
3453 int gamenum = atoi(star_match[0]);
3454 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3455 gamenum == ics_gamenum) {
3456 /* We were already playing or observing this game;
3457 no need to refetch history */
3458 gameMode = IcsExamining;
3460 pauseExamForwardMostMove = forwardMostMove;
3461 } else if (currentMove < forwardMostMove) {
3462 ForwardInner(forwardMostMove);
3465 /* I don't think this case really can happen */
3466 SendToICS(ics_prefix);
3467 SendToICS("refresh\n");
3472 /* Error messages */
3473 // if (ics_user_moved) {
3474 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3475 if (looking_at(buf, &i, "Illegal move") ||
3476 looking_at(buf, &i, "Not a legal move") ||
3477 looking_at(buf, &i, "Your king is in check") ||
3478 looking_at(buf, &i, "It isn't your turn") ||
3479 looking_at(buf, &i, "It is not your move")) {
3481 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3482 currentMove = forwardMostMove-1;
3483 DisplayMove(currentMove - 1); /* before DMError */
3484 DrawPosition(FALSE, boards[currentMove]);
3485 SwitchClocks(forwardMostMove-1); // [HGM] race
3486 DisplayBothClocks();
3488 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3494 if (looking_at(buf, &i, "still have time") ||
3495 looking_at(buf, &i, "not out of time") ||
3496 looking_at(buf, &i, "either player is out of time") ||
3497 looking_at(buf, &i, "has timeseal; checking")) {
3498 /* We must have called his flag a little too soon */
3499 whiteFlag = blackFlag = FALSE;
3503 if (looking_at(buf, &i, "added * seconds to") ||
3504 looking_at(buf, &i, "seconds were added to")) {
3505 /* Update the clocks */
3506 SendToICS(ics_prefix);
3507 SendToICS("refresh\n");
3511 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3512 ics_clock_paused = TRUE;
3517 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3518 ics_clock_paused = FALSE;
3523 /* Grab player ratings from the Creating: message.
3524 Note we have to check for the special case when
3525 the ICS inserts things like [white] or [black]. */
3526 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3527 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3529 0 player 1 name (not necessarily white)
3531 2 empty, white, or black (IGNORED)
3532 3 player 2 name (not necessarily black)
3535 The names/ratings are sorted out when the game
3536 actually starts (below).
3538 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3539 player1Rating = string_to_rating(star_match[1]);
3540 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3541 player2Rating = string_to_rating(star_match[4]);
3543 if (appData.debugMode)
3545 "Ratings from 'Creating:' %s %d, %s %d\n",
3546 player1Name, player1Rating,
3547 player2Name, player2Rating);
3552 /* Improved generic start/end-of-game messages */
3553 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3554 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3555 /* If tkind == 0: */
3556 /* star_match[0] is the game number */
3557 /* [1] is the white player's name */
3558 /* [2] is the black player's name */
3559 /* For end-of-game: */
3560 /* [3] is the reason for the game end */
3561 /* [4] is a PGN end game-token, preceded by " " */
3562 /* For start-of-game: */
3563 /* [3] begins with "Creating" or "Continuing" */
3564 /* [4] is " *" or empty (don't care). */
3565 int gamenum = atoi(star_match[0]);
3566 char *whitename, *blackname, *why, *endtoken;
3567 ChessMove endtype = EndOfFile;
3570 whitename = star_match[1];
3571 blackname = star_match[2];
3572 why = star_match[3];
3573 endtoken = star_match[4];
3575 whitename = star_match[1];
3576 blackname = star_match[3];
3577 why = star_match[5];
3578 endtoken = star_match[6];
3581 /* Game start messages */
3582 if (strncmp(why, "Creating ", 9) == 0 ||
3583 strncmp(why, "Continuing ", 11) == 0) {
3584 gs_gamenum = gamenum;
3585 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3586 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3588 if (appData.zippyPlay) {
3589 ZippyGameStart(whitename, blackname);
3592 partnerBoardValid = FALSE; // [HGM] bughouse
3596 /* Game end messages */
3597 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3598 ics_gamenum != gamenum) {
3601 while (endtoken[0] == ' ') endtoken++;
3602 switch (endtoken[0]) {
3605 endtype = GameUnfinished;
3608 endtype = BlackWins;
3611 if (endtoken[1] == '/')
3612 endtype = GameIsDrawn;
3614 endtype = WhiteWins;
3617 GameEnds(endtype, why, GE_ICS);
3619 if (appData.zippyPlay && first.initDone) {
3620 ZippyGameEnd(endtype, why);
3621 if (first.pr == NULL) {
3622 /* Start the next process early so that we'll
3623 be ready for the next challenge */
3624 StartChessProgram(&first);
3626 /* Send "new" early, in case this command takes
3627 a long time to finish, so that we'll be ready
3628 for the next challenge. */
3629 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3633 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3637 if (looking_at(buf, &i, "Removing game * from observation") ||
3638 looking_at(buf, &i, "no longer observing game *") ||
3639 looking_at(buf, &i, "Game * (*) has no examiners")) {
3640 if (gameMode == IcsObserving &&
3641 atoi(star_match[0]) == ics_gamenum)
3643 /* icsEngineAnalyze */
3644 if (appData.icsEngineAnalyze) {
3651 ics_user_moved = FALSE;
3656 if (looking_at(buf, &i, "no longer examining game *")) {
3657 if (gameMode == IcsExamining &&
3658 atoi(star_match[0]) == ics_gamenum)
3662 ics_user_moved = FALSE;
3667 /* Advance leftover_start past any newlines we find,
3668 so only partial lines can get reparsed */
3669 if (looking_at(buf, &i, "\n")) {
3670 prevColor = curColor;
3671 if (curColor != ColorNormal) {
3672 if (oldi > next_out) {
3673 SendToPlayer(&buf[next_out], oldi - next_out);
3676 Colorize(ColorNormal, FALSE);
3677 curColor = ColorNormal;
3679 if (started == STARTED_BOARD) {
3680 started = STARTED_NONE;
3681 parse[parse_pos] = NULLCHAR;
3682 ParseBoard12(parse);
3685 /* Send premove here */
3686 if (appData.premove) {
3688 if (currentMove == 0 &&
3689 gameMode == IcsPlayingWhite &&
3690 appData.premoveWhite) {
3691 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3695 } else if (currentMove == 1 &&
3696 gameMode == IcsPlayingBlack &&
3697 appData.premoveBlack) {
3698 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3699 if (appData.debugMode)
3700 fprintf(debugFP, "Sending premove:\n");
3702 } else if (gotPremove) {
3704 ClearPremoveHighlights();
3705 if (appData.debugMode)
3706 fprintf(debugFP, "Sending premove:\n");
3707 UserMoveEvent(premoveFromX, premoveFromY,
3708 premoveToX, premoveToY,
3713 /* Usually suppress following prompt */
3714 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3715 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3716 if (looking_at(buf, &i, "*% ")) {
3717 savingComment = FALSE;
3722 } else if (started == STARTED_HOLDINGS) {
3724 char new_piece[MSG_SIZ];
3725 started = STARTED_NONE;
3726 parse[parse_pos] = NULLCHAR;
3727 if (appData.debugMode)
3728 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3729 parse, currentMove);
3730 if (sscanf(parse, " game %d", &gamenum) == 1) {
3731 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3732 if (gameInfo.variant == VariantNormal) {
3733 /* [HGM] We seem to switch variant during a game!
3734 * Presumably no holdings were displayed, so we have
3735 * to move the position two files to the right to
3736 * create room for them!
3738 VariantClass newVariant;
3739 switch(gameInfo.boardWidth) { // base guess on board width
3740 case 9: newVariant = VariantShogi; break;
3741 case 10: newVariant = VariantGreat; break;
3742 default: newVariant = VariantCrazyhouse; break;
3744 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3745 /* Get a move list just to see the header, which
3746 will tell us whether this is really bug or zh */
3747 if (ics_getting_history == H_FALSE) {
3748 ics_getting_history = H_REQUESTED;
3749 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3753 new_piece[0] = NULLCHAR;
3754 sscanf(parse, "game %d white [%s black [%s <- %s",
3755 &gamenum, white_holding, black_holding,
3757 white_holding[strlen(white_holding)-1] = NULLCHAR;
3758 black_holding[strlen(black_holding)-1] = NULLCHAR;
3759 /* [HGM] copy holdings to board holdings area */
3760 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3761 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3762 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3764 if (appData.zippyPlay && first.initDone) {
3765 ZippyHoldings(white_holding, black_holding,
3769 if (tinyLayout || smallLayout) {
3770 char wh[16], bh[16];
3771 PackHolding(wh, white_holding);
3772 PackHolding(bh, black_holding);
3773 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3774 gameInfo.white, gameInfo.black);
3776 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3777 gameInfo.white, white_holding,
3778 gameInfo.black, black_holding);
3780 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3781 DrawPosition(FALSE, boards[currentMove]);
3783 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3784 sscanf(parse, "game %d white [%s black [%s <- %s",
3785 &gamenum, white_holding, black_holding,
3787 white_holding[strlen(white_holding)-1] = NULLCHAR;
3788 black_holding[strlen(black_holding)-1] = NULLCHAR;
3789 /* [HGM] copy holdings to partner-board holdings area */
3790 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3791 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3792 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3793 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3794 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3797 /* Suppress following prompt */
3798 if (looking_at(buf, &i, "*% ")) {
3799 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3800 savingComment = FALSE;
3808 i++; /* skip unparsed character and loop back */
3811 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3812 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3813 // SendToPlayer(&buf[next_out], i - next_out);
3814 started != STARTED_HOLDINGS && leftover_start > next_out) {
3815 SendToPlayer(&buf[next_out], leftover_start - next_out);
3819 leftover_len = buf_len - leftover_start;
3820 /* if buffer ends with something we couldn't parse,
3821 reparse it after appending the next read */
3823 } else if (count == 0) {
3824 RemoveInputSource(isr);
3825 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3827 DisplayFatalError(_("Error reading from ICS"), error, 1);
3832 /* Board style 12 looks like this:
3834 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3836 * The "<12> " is stripped before it gets to this routine. The two
3837 * trailing 0's (flip state and clock ticking) are later addition, and
3838 * some chess servers may not have them, or may have only the first.
3839 * Additional trailing fields may be added in the future.
3842 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3844 #define RELATION_OBSERVING_PLAYED 0
3845 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3846 #define RELATION_PLAYING_MYMOVE 1
3847 #define RELATION_PLAYING_NOTMYMOVE -1
3848 #define RELATION_EXAMINING 2
3849 #define RELATION_ISOLATED_BOARD -3
3850 #define RELATION_STARTING_POSITION -4 /* FICS only */
3853 ParseBoard12(string)
3856 GameMode newGameMode;
3857 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3858 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3859 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3860 char to_play, board_chars[200];
3861 char move_str[500], str[500], elapsed_time[500];
3862 char black[32], white[32];
3864 int prevMove = currentMove;
3867 int fromX, fromY, toX, toY;
3869 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3870 char *bookHit = NULL; // [HGM] book
3871 Boolean weird = FALSE, reqFlag = FALSE;
3873 fromX = fromY = toX = toY = -1;
3877 if (appData.debugMode)
3878 fprintf(debugFP, _("Parsing board: %s\n"), string);
3880 move_str[0] = NULLCHAR;
3881 elapsed_time[0] = NULLCHAR;
3882 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3884 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3885 if(string[i] == ' ') { ranks++; files = 0; }
3887 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3890 for(j = 0; j <i; j++) board_chars[j] = string[j];
3891 board_chars[i] = '\0';
3894 n = sscanf(string, PATTERN, &to_play, &double_push,
3895 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3896 &gamenum, white, black, &relation, &basetime, &increment,
3897 &white_stren, &black_stren, &white_time, &black_time,
3898 &moveNum, str, elapsed_time, move_str, &ics_flip,
3902 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3903 DisplayError(str, 0);
3907 /* Convert the move number to internal form */
3908 moveNum = (moveNum - 1) * 2;
3909 if (to_play == 'B') moveNum++;
3910 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3911 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3917 case RELATION_OBSERVING_PLAYED:
3918 case RELATION_OBSERVING_STATIC:
3919 if (gamenum == -1) {
3920 /* Old ICC buglet */
3921 relation = RELATION_OBSERVING_STATIC;
3923 newGameMode = IcsObserving;
3925 case RELATION_PLAYING_MYMOVE:
3926 case RELATION_PLAYING_NOTMYMOVE:
3928 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3929 IcsPlayingWhite : IcsPlayingBlack;
3931 case RELATION_EXAMINING:
3932 newGameMode = IcsExamining;
3934 case RELATION_ISOLATED_BOARD:
3936 /* Just display this board. If user was doing something else,
3937 we will forget about it until the next board comes. */
3938 newGameMode = IcsIdle;
3940 case RELATION_STARTING_POSITION:
3941 newGameMode = gameMode;
3945 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3946 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3947 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3949 for (k = 0; k < ranks; k++) {
3950 for (j = 0; j < files; j++)
3951 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3952 if(gameInfo.holdingsWidth > 1) {
3953 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3954 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3957 CopyBoard(partnerBoard, board);
3958 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3959 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3960 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3961 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3962 if(toSqr = strchr(str, '-')) {
3963 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3964 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3965 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3966 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3967 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3968 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3969 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3970 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3971 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3972 DisplayMessage(partnerStatus, "");
3973 partnerBoardValid = TRUE;
3977 /* Modify behavior for initial board display on move listing
3980 switch (ics_getting_history) {
3984 case H_GOT_REQ_HEADER:
3985 case H_GOT_UNREQ_HEADER:
3986 /* This is the initial position of the current game */
3987 gamenum = ics_gamenum;
3988 moveNum = 0; /* old ICS bug workaround */
3989 if (to_play == 'B') {
3990 startedFromSetupPosition = TRUE;
3991 blackPlaysFirst = TRUE;
3993 if (forwardMostMove == 0) forwardMostMove = 1;
3994 if (backwardMostMove == 0) backwardMostMove = 1;
3995 if (currentMove == 0) currentMove = 1;
3997 newGameMode = gameMode;
3998 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4000 case H_GOT_UNWANTED_HEADER:
4001 /* This is an initial board that we don't want */
4003 case H_GETTING_MOVES:
4004 /* Should not happen */
4005 DisplayError(_("Error gathering move list: extra board"), 0);
4006 ics_getting_history = H_FALSE;
4010 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4011 weird && (int)gameInfo.variant < (int)VariantShogi) {
4012 /* [HGM] We seem to have switched variant unexpectedly
4013 * Try to guess new variant from board size
4015 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4016 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4017 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4018 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4019 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4020 if(!weird) newVariant = VariantNormal;
4021 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4022 /* Get a move list just to see the header, which
4023 will tell us whether this is really bug or zh */
4024 if (ics_getting_history == H_FALSE) {
4025 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4026 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4031 /* Take action if this is the first board of a new game, or of a
4032 different game than is currently being displayed. */
4033 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4034 relation == RELATION_ISOLATED_BOARD) {
4036 /* Forget the old game and get the history (if any) of the new one */
4037 if (gameMode != BeginningOfGame) {
4041 if (appData.autoRaiseBoard) BoardToTop();
4043 if (gamenum == -1) {
4044 newGameMode = IcsIdle;
4045 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4046 appData.getMoveList && !reqFlag) {
4047 /* Need to get game history */
4048 ics_getting_history = H_REQUESTED;
4049 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4053 /* Initially flip the board to have black on the bottom if playing
4054 black or if the ICS flip flag is set, but let the user change
4055 it with the Flip View button. */
4056 flipView = appData.autoFlipView ?
4057 (newGameMode == IcsPlayingBlack) || ics_flip :
4060 /* Done with values from previous mode; copy in new ones */
4061 gameMode = newGameMode;
4063 ics_gamenum = gamenum;
4064 if (gamenum == gs_gamenum) {
4065 int klen = strlen(gs_kind);
4066 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4067 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4068 gameInfo.event = StrSave(str);
4070 gameInfo.event = StrSave("ICS game");
4072 gameInfo.site = StrSave(appData.icsHost);
4073 gameInfo.date = PGNDate();
4074 gameInfo.round = StrSave("-");
4075 gameInfo.white = StrSave(white);
4076 gameInfo.black = StrSave(black);
4077 timeControl = basetime * 60 * 1000;
4079 timeIncrement = increment * 1000;
4080 movesPerSession = 0;
4081 gameInfo.timeControl = TimeControlTagValue();
4082 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4083 if (appData.debugMode) {
4084 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4085 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4086 setbuf(debugFP, NULL);
4089 gameInfo.outOfBook = NULL;
4091 /* Do we have the ratings? */
4092 if (strcmp(player1Name, white) == 0 &&
4093 strcmp(player2Name, black) == 0) {
4094 if (appData.debugMode)
4095 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4096 player1Rating, player2Rating);
4097 gameInfo.whiteRating = player1Rating;
4098 gameInfo.blackRating = player2Rating;
4099 } else if (strcmp(player2Name, white) == 0 &&
4100 strcmp(player1Name, black) == 0) {
4101 if (appData.debugMode)
4102 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4103 player2Rating, player1Rating);
4104 gameInfo.whiteRating = player2Rating;
4105 gameInfo.blackRating = player1Rating;
4107 player1Name[0] = player2Name[0] = NULLCHAR;
4109 /* Silence shouts if requested */
4110 if (appData.quietPlay &&
4111 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4112 SendToICS(ics_prefix);
4113 SendToICS("set shout 0\n");
4117 /* Deal with midgame name changes */
4119 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4120 if (gameInfo.white) free(gameInfo.white);
4121 gameInfo.white = StrSave(white);
4123 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4124 if (gameInfo.black) free(gameInfo.black);
4125 gameInfo.black = StrSave(black);
4129 /* Throw away game result if anything actually changes in examine mode */
4130 if (gameMode == IcsExamining && !newGame) {
4131 gameInfo.result = GameUnfinished;
4132 if (gameInfo.resultDetails != NULL) {
4133 free(gameInfo.resultDetails);
4134 gameInfo.resultDetails = NULL;
4138 /* In pausing && IcsExamining mode, we ignore boards coming
4139 in if they are in a different variation than we are. */
4140 if (pauseExamInvalid) return;
4141 if (pausing && gameMode == IcsExamining) {
4142 if (moveNum <= pauseExamForwardMostMove) {
4143 pauseExamInvalid = TRUE;
4144 forwardMostMove = pauseExamForwardMostMove;
4149 if (appData.debugMode) {
4150 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4152 /* Parse the board */
4153 for (k = 0; k < ranks; k++) {
4154 for (j = 0; j < files; j++)
4155 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4156 if(gameInfo.holdingsWidth > 1) {
4157 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4158 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4161 CopyBoard(boards[moveNum], board);
4162 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4164 startedFromSetupPosition =
4165 !CompareBoards(board, initialPosition);
4166 if(startedFromSetupPosition)
4167 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4170 /* [HGM] Set castling rights. Take the outermost Rooks,
4171 to make it also work for FRC opening positions. Note that board12
4172 is really defective for later FRC positions, as it has no way to
4173 indicate which Rook can castle if they are on the same side of King.
4174 For the initial position we grant rights to the outermost Rooks,
4175 and remember thos rights, and we then copy them on positions
4176 later in an FRC game. This means WB might not recognize castlings with
4177 Rooks that have moved back to their original position as illegal,
4178 but in ICS mode that is not its job anyway.
4180 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4181 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4183 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4184 if(board[0][i] == WhiteRook) j = i;
4185 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4186 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4187 if(board[0][i] == WhiteRook) j = i;
4188 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4189 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4190 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4191 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4192 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4193 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4194 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4196 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4197 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4198 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4199 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4200 if(board[BOARD_HEIGHT-1][k] == bKing)
4201 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4202 if(gameInfo.variant == VariantTwoKings) {
4203 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4204 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4205 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4208 r = boards[moveNum][CASTLING][0] = initialRights[0];
4209 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4210 r = boards[moveNum][CASTLING][1] = initialRights[1];
4211 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4212 r = boards[moveNum][CASTLING][3] = initialRights[3];
4213 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4214 r = boards[moveNum][CASTLING][4] = initialRights[4];
4215 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4216 /* wildcastle kludge: always assume King has rights */
4217 r = boards[moveNum][CASTLING][2] = initialRights[2];
4218 r = boards[moveNum][CASTLING][5] = initialRights[5];
4220 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4221 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4224 if (ics_getting_history == H_GOT_REQ_HEADER ||
4225 ics_getting_history == H_GOT_UNREQ_HEADER) {
4226 /* This was an initial position from a move list, not
4227 the current position */
4231 /* Update currentMove and known move number limits */
4232 newMove = newGame || moveNum > forwardMostMove;
4235 forwardMostMove = backwardMostMove = currentMove = moveNum;
4236 if (gameMode == IcsExamining && moveNum == 0) {
4237 /* Workaround for ICS limitation: we are not told the wild
4238 type when starting to examine a game. But if we ask for
4239 the move list, the move list header will tell us */
4240 ics_getting_history = H_REQUESTED;
4241 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4244 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4245 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4247 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4248 /* [HGM] applied this also to an engine that is silently watching */
4249 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4250 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4251 gameInfo.variant == currentlyInitializedVariant) {
4252 takeback = forwardMostMove - moveNum;
4253 for (i = 0; i < takeback; i++) {
4254 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4255 SendToProgram("undo\n", &first);
4260 forwardMostMove = moveNum;
4261 if (!pausing || currentMove > forwardMostMove)
4262 currentMove = forwardMostMove;
4264 /* New part of history that is not contiguous with old part */
4265 if (pausing && gameMode == IcsExamining) {
4266 pauseExamInvalid = TRUE;
4267 forwardMostMove = pauseExamForwardMostMove;
4270 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4272 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4273 // [HGM] when we will receive the move list we now request, it will be
4274 // fed to the engine from the first move on. So if the engine is not
4275 // in the initial position now, bring it there.
4276 InitChessProgram(&first, 0);
4279 ics_getting_history = H_REQUESTED;
4280 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4283 forwardMostMove = backwardMostMove = currentMove = moveNum;
4286 /* Update the clocks */
4287 if (strchr(elapsed_time, '.')) {
4289 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4290 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4292 /* Time is in seconds */
4293 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4294 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4299 if (appData.zippyPlay && newGame &&
4300 gameMode != IcsObserving && gameMode != IcsIdle &&
4301 gameMode != IcsExamining)
4302 ZippyFirstBoard(moveNum, basetime, increment);
4305 /* Put the move on the move list, first converting
4306 to canonical algebraic form. */
4308 if (appData.debugMode) {
4309 if (appData.debugMode) { int f = forwardMostMove;
4310 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4311 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4312 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4314 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4315 fprintf(debugFP, "moveNum = %d\n", moveNum);
4316 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4317 setbuf(debugFP, NULL);
4319 if (moveNum <= backwardMostMove) {
4320 /* We don't know what the board looked like before
4322 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4323 strcat(parseList[moveNum - 1], " ");
4324 strcat(parseList[moveNum - 1], elapsed_time);
4325 moveList[moveNum - 1][0] = NULLCHAR;
4326 } else if (strcmp(move_str, "none") == 0) {
4327 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4328 /* Again, we don't know what the board looked like;
4329 this is really the start of the game. */
4330 parseList[moveNum - 1][0] = NULLCHAR;
4331 moveList[moveNum - 1][0] = NULLCHAR;
4332 backwardMostMove = moveNum;
4333 startedFromSetupPosition = TRUE;
4334 fromX = fromY = toX = toY = -1;
4336 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4337 // So we parse the long-algebraic move string in stead of the SAN move
4338 int valid; char buf[MSG_SIZ], *prom;
4340 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4341 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4342 // str looks something like "Q/a1-a2"; kill the slash
4344 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4345 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4346 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4347 strcat(buf, prom); // long move lacks promo specification!
4348 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4349 if(appData.debugMode)
4350 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4351 safeStrCpy(move_str, buf, sizeof(move_str)/sizeof(move_str[0]));
4353 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4354 &fromX, &fromY, &toX, &toY, &promoChar)
4355 || ParseOneMove(buf, moveNum - 1, &moveType,
4356 &fromX, &fromY, &toX, &toY, &promoChar);
4357 // end of long SAN patch
4359 (void) CoordsToAlgebraic(boards[moveNum - 1],
4360 PosFlags(moveNum - 1),
4361 fromY, fromX, toY, toX, promoChar,
4362 parseList[moveNum-1]);
4363 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4369 if(gameInfo.variant != VariantShogi)
4370 strcat(parseList[moveNum - 1], "+");
4373 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4374 strcat(parseList[moveNum - 1], "#");
4377 strcat(parseList[moveNum - 1], " ");
4378 strcat(parseList[moveNum - 1], elapsed_time);
4379 /* currentMoveString is set as a side-effect of ParseOneMove */
4380 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '+';
4381 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4382 strcat(moveList[moveNum - 1], "\n");
4384 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4385 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4386 ChessSquare old, new = boards[moveNum][k][j];
4387 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4388 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4389 if(old == new) continue;
4390 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4391 else if(new == WhiteWazir || new == BlackWazir) {
4392 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4393 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4394 else boards[moveNum][k][j] = old; // preserve type of Gold
4395 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4396 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4399 /* Move from ICS was illegal!? Punt. */
4400 if (appData.debugMode) {
4401 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4402 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4404 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4405 strcat(parseList[moveNum - 1], " ");
4406 strcat(parseList[moveNum - 1], elapsed_time);
4407 moveList[moveNum - 1][0] = NULLCHAR;
4408 fromX = fromY = toX = toY = -1;
4411 if (appData.debugMode) {
4412 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4413 setbuf(debugFP, NULL);
4417 /* Send move to chess program (BEFORE animating it). */
4418 if (appData.zippyPlay && !newGame && newMove &&
4419 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4421 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4422 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4423 if (moveList[moveNum - 1][0] == NULLCHAR) {
4424 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4426 DisplayError(str, 0);
4428 if (first.sendTime) {
4429 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4431 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4432 if (firstMove && !bookHit) {
4434 if (first.useColors) {
4435 SendToProgram(gameMode == IcsPlayingWhite ?
4437 "black\ngo\n", &first);
4439 SendToProgram("go\n", &first);
4441 first.maybeThinking = TRUE;
4444 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4445 if (moveList[moveNum - 1][0] == NULLCHAR) {
4446 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4447 DisplayError(str, 0);
4449 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4450 SendMoveToProgram(moveNum - 1, &first);
4457 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4458 /* If move comes from a remote source, animate it. If it
4459 isn't remote, it will have already been animated. */
4460 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4461 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4463 if (!pausing && appData.highlightLastMove) {
4464 SetHighlights(fromX, fromY, toX, toY);
4468 /* Start the clocks */
4469 whiteFlag = blackFlag = FALSE;
4470 appData.clockMode = !(basetime == 0 && increment == 0);
4472 ics_clock_paused = TRUE;
4474 } else if (ticking == 1) {
4475 ics_clock_paused = FALSE;
4477 if (gameMode == IcsIdle ||
4478 relation == RELATION_OBSERVING_STATIC ||
4479 relation == RELATION_EXAMINING ||
4481 DisplayBothClocks();
4485 /* Display opponents and material strengths */
4486 if (gameInfo.variant != VariantBughouse &&
4487 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4488 if (tinyLayout || smallLayout) {
4489 if(gameInfo.variant == VariantNormal)
4490 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4491 gameInfo.white, white_stren, gameInfo.black, black_stren,
4492 basetime, increment);
4494 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4495 gameInfo.white, white_stren, gameInfo.black, black_stren,
4496 basetime, increment, (int) gameInfo.variant);
4498 if(gameInfo.variant == VariantNormal)
4499 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4500 gameInfo.white, white_stren, gameInfo.black, black_stren,
4501 basetime, increment);
4503 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4504 gameInfo.white, white_stren, gameInfo.black, black_stren,
4505 basetime, increment, VariantName(gameInfo.variant));
4508 if (appData.debugMode) {
4509 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4514 /* Display the board */
4515 if (!pausing && !appData.noGUI) {
4517 if (appData.premove)
4519 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4520 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4521 ClearPremoveHighlights();
4523 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4524 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4525 DrawPosition(j, boards[currentMove]);
4527 DisplayMove(moveNum - 1);
4528 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4529 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4530 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4531 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4535 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4537 if(bookHit) { // [HGM] book: simulate book reply
4538 static char bookMove[MSG_SIZ]; // a bit generous?
4540 programStats.nodes = programStats.depth = programStats.time =
4541 programStats.score = programStats.got_only_move = 0;
4542 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4544 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4545 strcat(bookMove, bookHit);
4546 HandleMachineMove(bookMove, &first);
4555 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4556 ics_getting_history = H_REQUESTED;
4557 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4563 AnalysisPeriodicEvent(force)
4566 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4567 && !force) || !appData.periodicUpdates)
4570 /* Send . command to Crafty to collect stats */
4571 SendToProgram(".\n", &first);
4573 /* Don't send another until we get a response (this makes
4574 us stop sending to old Crafty's which don't understand
4575 the "." command (sending illegal cmds resets node count & time,
4576 which looks bad)) */
4577 programStats.ok_to_send = 0;
4580 void ics_update_width(new_width)
4583 ics_printf("set width %d\n", new_width);
4587 SendMoveToProgram(moveNum, cps)
4589 ChessProgramState *cps;
4593 if (cps->useUsermove) {
4594 SendToProgram("usermove ", cps);
4598 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4599 int len = space - parseList[moveNum];
4600 memcpy(buf, parseList[moveNum], len);
4602 buf[len] = NULLCHAR;
4604 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4606 SendToProgram(buf, cps);
4608 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4609 AlphaRank(moveList[moveNum], 4);
4610 SendToProgram(moveList[moveNum], cps);
4611 AlphaRank(moveList[moveNum], 4); // and back
4613 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4614 * the engine. It would be nice to have a better way to identify castle
4616 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4617 && cps->useOOCastle) {
4618 int fromX = moveList[moveNum][0] - AAA;
4619 int fromY = moveList[moveNum][1] - ONE;
4620 int toX = moveList[moveNum][2] - AAA;
4621 int toY = moveList[moveNum][3] - ONE;
4622 if((boards[moveNum][fromY][fromX] == WhiteKing
4623 && boards[moveNum][toY][toX] == WhiteRook)
4624 || (boards[moveNum][fromY][fromX] == BlackKing
4625 && boards[moveNum][toY][toX] == BlackRook)) {
4626 if(toX > fromX) SendToProgram("O-O\n", cps);
4627 else SendToProgram("O-O-O\n", cps);
4629 else SendToProgram(moveList[moveNum], cps);
4631 else SendToProgram(moveList[moveNum], cps);
4632 /* End of additions by Tord */
4635 /* [HGM] setting up the opening has brought engine in force mode! */
4636 /* Send 'go' if we are in a mode where machine should play. */
4637 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4638 (gameMode == TwoMachinesPlay ||
4640 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4642 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4643 SendToProgram("go\n", cps);
4644 if (appData.debugMode) {
4645 fprintf(debugFP, "(extra)\n");
4648 setboardSpoiledMachineBlack = 0;
4652 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4654 int fromX, fromY, toX, toY;
4657 char user_move[MSG_SIZ];
4661 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4662 (int)moveType, fromX, fromY, toX, toY);
4663 DisplayError(user_move + strlen("say "), 0);
4665 case WhiteKingSideCastle:
4666 case BlackKingSideCastle:
4667 case WhiteQueenSideCastleWild:
4668 case BlackQueenSideCastleWild:
4670 case WhiteHSideCastleFR:
4671 case BlackHSideCastleFR:
4673 snprintf(user_move, MSG_SIZ, "o-o\n");
4675 case WhiteQueenSideCastle:
4676 case BlackQueenSideCastle:
4677 case WhiteKingSideCastleWild:
4678 case BlackKingSideCastleWild:
4680 case WhiteASideCastleFR:
4681 case BlackASideCastleFR:
4683 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4685 case WhiteNonPromotion:
4686 case BlackNonPromotion:
4687 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4689 case WhitePromotion:
4690 case BlackPromotion:
4691 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4692 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4693 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4694 PieceToChar(WhiteFerz));
4695 else if(gameInfo.variant == VariantGreat)
4696 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4697 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4698 PieceToChar(WhiteMan));
4700 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4701 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4707 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4708 ToUpper(PieceToChar((ChessSquare) fromX)),
4709 AAA + toX, ONE + toY);
4711 case IllegalMove: /* could be a variant we don't quite understand */
4712 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4714 case WhiteCapturesEnPassant:
4715 case BlackCapturesEnPassant:
4716 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4717 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4720 SendToICS(user_move);
4721 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4722 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4727 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4728 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4729 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4730 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4731 DisplayError("You cannot do this while you are playing or observing", 0);
4734 if(gameMode != IcsExamining) { // is this ever not the case?
4735 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4737 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4738 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4739 } else { // on FICS we must first go to general examine mode
4740 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4742 if(gameInfo.variant != VariantNormal) {
4743 // try figure out wild number, as xboard names are not always valid on ICS
4744 for(i=1; i<=36; i++) {
4745 snprintf(buf, MSG_SIZ, "wild/%d", i);
4746 if(StringToVariant(buf) == gameInfo.variant) break;
4748 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4749 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4750 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4751 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4752 SendToICS(ics_prefix);
4754 if(startedFromSetupPosition || backwardMostMove != 0) {
4755 fen = PositionToFEN(backwardMostMove, NULL);
4756 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4757 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4759 } else { // FICS: everything has to set by separate bsetup commands
4760 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4761 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4763 if(!WhiteOnMove(backwardMostMove)) {
4764 SendToICS("bsetup tomove black\n");
4766 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4767 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4769 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4770 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4772 i = boards[backwardMostMove][EP_STATUS];
4773 if(i >= 0) { // set e.p.
4774 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4780 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4781 SendToICS("bsetup done\n"); // switch to normal examining.
4783 for(i = backwardMostMove; i<last; i++) {
4785 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4788 SendToICS(ics_prefix);
4789 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4793 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4798 if (rf == DROP_RANK) {
4799 sprintf(move, "%c@%c%c\n",
4800 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4802 if (promoChar == 'x' || promoChar == NULLCHAR) {
4803 sprintf(move, "%c%c%c%c\n",
4804 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4806 sprintf(move, "%c%c%c%c%c\n",
4807 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4813 ProcessICSInitScript(f)
4818 while (fgets(buf, MSG_SIZ, f)) {
4819 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4826 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4828 AlphaRank(char *move, int n)
4830 // char *p = move, c; int x, y;
4832 if (appData.debugMode) {
4833 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4837 move[2]>='0' && move[2]<='9' &&
4838 move[3]>='a' && move[3]<='x' ) {
4840 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4841 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4843 if(move[0]>='0' && move[0]<='9' &&
4844 move[1]>='a' && move[1]<='x' &&
4845 move[2]>='0' && move[2]<='9' &&
4846 move[3]>='a' && move[3]<='x' ) {
4847 /* input move, Shogi -> normal */
4848 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4849 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4850 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4851 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4854 move[3]>='0' && move[3]<='9' &&
4855 move[2]>='a' && move[2]<='x' ) {
4857 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4858 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4861 move[0]>='a' && move[0]<='x' &&
4862 move[3]>='0' && move[3]<='9' &&
4863 move[2]>='a' && move[2]<='x' ) {
4864 /* output move, normal -> Shogi */
4865 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4866 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4867 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4868 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4869 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4871 if (appData.debugMode) {
4872 fprintf(debugFP, " out = '%s'\n", move);
4876 char yy_textstr[8000];
4878 /* Parser for moves from gnuchess, ICS, or user typein box */
4880 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4883 ChessMove *moveType;
4884 int *fromX, *fromY, *toX, *toY;
4887 if (appData.debugMode) {
4888 fprintf(debugFP, "move to parse: %s\n", move);
4890 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4892 switch (*moveType) {
4893 case WhitePromotion:
4894 case BlackPromotion:
4895 case WhiteNonPromotion:
4896 case BlackNonPromotion:
4898 case WhiteCapturesEnPassant:
4899 case BlackCapturesEnPassant:
4900 case WhiteKingSideCastle:
4901 case WhiteQueenSideCastle:
4902 case BlackKingSideCastle:
4903 case BlackQueenSideCastle:
4904 case WhiteKingSideCastleWild:
4905 case WhiteQueenSideCastleWild:
4906 case BlackKingSideCastleWild:
4907 case BlackQueenSideCastleWild:
4908 /* Code added by Tord: */
4909 case WhiteHSideCastleFR:
4910 case WhiteASideCastleFR:
4911 case BlackHSideCastleFR:
4912 case BlackASideCastleFR:
4913 /* End of code added by Tord */
4914 case IllegalMove: /* bug or odd chess variant */
4915 *fromX = currentMoveString[0] - AAA;
4916 *fromY = currentMoveString[1] - ONE;
4917 *toX = currentMoveString[2] - AAA;
4918 *toY = currentMoveString[3] - ONE;
4919 *promoChar = currentMoveString[4];
4920 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4921 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4922 if (appData.debugMode) {
4923 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4925 *fromX = *fromY = *toX = *toY = 0;
4928 if (appData.testLegality) {
4929 return (*moveType != IllegalMove);
4931 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4932 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4937 *fromX = *moveType == WhiteDrop ?
4938 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4939 (int) CharToPiece(ToLower(currentMoveString[0]));
4941 *toX = currentMoveString[2] - AAA;
4942 *toY = currentMoveString[3] - ONE;
4943 *promoChar = NULLCHAR;
4947 case ImpossibleMove:
4957 if (appData.debugMode) {
4958 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4961 *fromX = *fromY = *toX = *toY = 0;
4962 *promoChar = NULLCHAR;
4969 ParsePV(char *pv, Boolean storeComments)
4970 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4971 int fromX, fromY, toX, toY; char promoChar;
4976 endPV = forwardMostMove;
4978 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4979 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4980 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4981 if(appData.debugMode){
4982 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4984 if(!valid && nr == 0 &&
4985 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4986 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4987 // Hande case where played move is different from leading PV move
4988 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4989 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4990 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4991 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4992 endPV += 2; // if position different, keep this
4993 moveList[endPV-1][0] = fromX + AAA;
4994 moveList[endPV-1][1] = fromY + ONE;
4995 moveList[endPV-1][2] = toX + AAA;
4996 moveList[endPV-1][3] = toY + ONE;
4997 parseList[endPV-1][0] = NULLCHAR;
4998 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5001 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5002 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5003 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5004 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5005 valid++; // allow comments in PV
5009 if(endPV+1 > framePtr) break; // no space, truncate
5012 CopyBoard(boards[endPV], boards[endPV-1]);
5013 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5014 moveList[endPV-1][0] = fromX + AAA;
5015 moveList[endPV-1][1] = fromY + ONE;
5016 moveList[endPV-1][2] = toX + AAA;
5017 moveList[endPV-1][3] = toY + ONE;
5019 CoordsToAlgebraic(boards[endPV - 1],
5020 PosFlags(endPV - 1),
5021 fromY, fromX, toY, toX, promoChar,
5022 parseList[endPV - 1]);
5024 parseList[endPV-1][0] = NULLCHAR;
5026 currentMove = endPV;
5027 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5028 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5029 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5030 DrawPosition(TRUE, boards[currentMove]);
5033 static int lastX, lastY;
5036 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5041 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5042 lastX = x; lastY = y;
5043 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5045 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5046 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5048 do{ while(buf[index] && buf[index] != '\n') index++;
5049 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5051 ParsePV(buf+startPV, FALSE);
5052 *start = startPV; *end = index-1;
5057 LoadPV(int x, int y)
5058 { // called on right mouse click to load PV
5059 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5060 lastX = x; lastY = y;
5061 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5068 if(endPV < 0) return;
5070 currentMove = forwardMostMove;
5071 ClearPremoveHighlights();
5072 DrawPosition(TRUE, boards[currentMove]);
5076 MovePV(int x, int y, int h)
5077 { // step through PV based on mouse coordinates (called on mouse move)
5078 int margin = h>>3, step = 0;
5080 if(endPV < 0) return;
5081 // we must somehow check if right button is still down (might be released off board!)
5082 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5083 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5084 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5086 lastX = x; lastY = y;
5087 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5088 currentMove += step;
5089 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5090 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5091 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5092 DrawPosition(FALSE, boards[currentMove]);
5096 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5097 // All positions will have equal probability, but the current method will not provide a unique
5098 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5104 int piecesLeft[(int)BlackPawn];
5105 int seed, nrOfShuffles;
5107 void GetPositionNumber()
5108 { // sets global variable seed
5111 seed = appData.defaultFrcPosition;
5112 if(seed < 0) { // randomize based on time for negative FRC position numbers
5113 for(i=0; i<50; i++) seed += random();
5114 seed = random() ^ random() >> 8 ^ random() << 8;
5115 if(seed<0) seed = -seed;
5119 int put(Board board, int pieceType, int rank, int n, int shade)
5120 // put the piece on the (n-1)-th empty squares of the given shade
5124 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5125 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5126 board[rank][i] = (ChessSquare) pieceType;
5127 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5129 piecesLeft[pieceType]--;
5137 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5138 // calculate where the next piece goes, (any empty square), and put it there
5142 i = seed % squaresLeft[shade];
5143 nrOfShuffles *= squaresLeft[shade];
5144 seed /= squaresLeft[shade];
5145 put(board, pieceType, rank, i, shade);
5148 void AddTwoPieces(Board board, int pieceType, int rank)
5149 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5151 int i, n=squaresLeft[ANY], j=n-1, k;
5153 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5154 i = seed % k; // pick one
5157 while(i >= j) i -= j--;
5158 j = n - 1 - j; i += j;
5159 put(board, pieceType, rank, j, ANY);
5160 put(board, pieceType, rank, i, ANY);
5163 void SetUpShuffle(Board board, int number)
5167 GetPositionNumber(); nrOfShuffles = 1;
5169 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5170 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5171 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5173 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5175 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5176 p = (int) board[0][i];
5177 if(p < (int) BlackPawn) piecesLeft[p] ++;
5178 board[0][i] = EmptySquare;
5181 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5182 // shuffles restricted to allow normal castling put KRR first
5183 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5184 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5185 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5186 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5187 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5188 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5189 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5190 put(board, WhiteRook, 0, 0, ANY);
5191 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5194 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5195 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5196 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5197 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5198 while(piecesLeft[p] >= 2) {
5199 AddOnePiece(board, p, 0, LITE);
5200 AddOnePiece(board, p, 0, DARK);
5202 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5205 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5206 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5207 // but we leave King and Rooks for last, to possibly obey FRC restriction
5208 if(p == (int)WhiteRook) continue;
5209 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5210 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5213 // now everything is placed, except perhaps King (Unicorn) and Rooks
5215 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5216 // Last King gets castling rights
5217 while(piecesLeft[(int)WhiteUnicorn]) {
5218 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5219 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5222 while(piecesLeft[(int)WhiteKing]) {
5223 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5224 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5229 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5230 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5233 // Only Rooks can be left; simply place them all
5234 while(piecesLeft[(int)WhiteRook]) {
5235 i = put(board, WhiteRook, 0, 0, ANY);
5236 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5239 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5241 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5244 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5245 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5248 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5251 int SetCharTable( char *table, const char * map )
5252 /* [HGM] moved here from winboard.c because of its general usefulness */
5253 /* Basically a safe strcpy that uses the last character as King */
5255 int result = FALSE; int NrPieces;
5257 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5258 && NrPieces >= 12 && !(NrPieces&1)) {
5259 int i; /* [HGM] Accept even length from 12 to 34 */
5261 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5262 for( i=0; i<NrPieces/2-1; i++ ) {
5264 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5266 table[(int) WhiteKing] = map[NrPieces/2-1];
5267 table[(int) BlackKing] = map[NrPieces-1];
5275 void Prelude(Board board)
5276 { // [HGM] superchess: random selection of exo-pieces
5277 int i, j, k; ChessSquare p;
5278 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5280 GetPositionNumber(); // use FRC position number
5282 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5283 SetCharTable(pieceToChar, appData.pieceToCharTable);
5284 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5285 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5288 j = seed%4; seed /= 4;
5289 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5290 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5291 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5292 j = seed%3 + (seed%3 >= j); seed /= 3;
5293 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5294 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5295 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5296 j = seed%3; seed /= 3;
5297 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5298 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5299 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5300 j = seed%2 + (seed%2 >= j); seed /= 2;
5301 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5302 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5303 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5304 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5305 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5306 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5307 put(board, exoPieces[0], 0, 0, ANY);
5308 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5312 InitPosition(redraw)
5315 ChessSquare (* pieces)[BOARD_FILES];
5316 int i, j, pawnRow, overrule,
5317 oldx = gameInfo.boardWidth,
5318 oldy = gameInfo.boardHeight,
5319 oldh = gameInfo.holdingsWidth,
5320 oldv = gameInfo.variant;
5322 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5324 /* [AS] Initialize pv info list [HGM] and game status */
5326 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5327 pvInfoList[i].depth = 0;
5328 boards[i][EP_STATUS] = EP_NONE;
5329 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5332 initialRulePlies = 0; /* 50-move counter start */
5334 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5335 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5339 /* [HGM] logic here is completely changed. In stead of full positions */
5340 /* the initialized data only consist of the two backranks. The switch */
5341 /* selects which one we will use, which is than copied to the Board */
5342 /* initialPosition, which for the rest is initialized by Pawns and */
5343 /* empty squares. This initial position is then copied to boards[0], */
5344 /* possibly after shuffling, so that it remains available. */
5346 gameInfo.holdingsWidth = 0; /* default board sizes */
5347 gameInfo.boardWidth = 8;
5348 gameInfo.boardHeight = 8;
5349 gameInfo.holdingsSize = 0;
5350 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5351 for(i=0; i<BOARD_FILES-2; i++)
5352 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5353 initialPosition[EP_STATUS] = EP_NONE;
5354 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5355 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5356 SetCharTable(pieceNickName, appData.pieceNickNames);
5357 else SetCharTable(pieceNickName, "............");
5359 switch (gameInfo.variant) {
5360 case VariantFischeRandom:
5361 shuffleOpenings = TRUE;
5365 case VariantShatranj:
5366 pieces = ShatranjArray;
5367 nrCastlingRights = 0;
5368 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5371 pieces = makrukArray;
5372 nrCastlingRights = 0;
5373 startedFromSetupPosition = TRUE;
5374 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5376 case VariantTwoKings:
5377 pieces = twoKingsArray;
5379 case VariantCapaRandom:
5380 shuffleOpenings = TRUE;
5381 case VariantCapablanca:
5382 pieces = CapablancaArray;
5383 gameInfo.boardWidth = 10;
5384 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5387 pieces = GothicArray;
5388 gameInfo.boardWidth = 10;
5389 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5392 pieces = JanusArray;
5393 gameInfo.boardWidth = 10;
5394 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5395 nrCastlingRights = 6;
5396 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5397 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5398 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5399 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5400 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5401 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5404 pieces = FalconArray;
5405 gameInfo.boardWidth = 10;
5406 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5408 case VariantXiangqi:
5409 pieces = XiangqiArray;
5410 gameInfo.boardWidth = 9;
5411 gameInfo.boardHeight = 10;
5412 nrCastlingRights = 0;
5413 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5416 pieces = ShogiArray;
5417 gameInfo.boardWidth = 9;
5418 gameInfo.boardHeight = 9;
5419 gameInfo.holdingsSize = 7;
5420 nrCastlingRights = 0;
5421 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5423 case VariantCourier:
5424 pieces = CourierArray;
5425 gameInfo.boardWidth = 12;
5426 nrCastlingRights = 0;
5427 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5429 case VariantKnightmate:
5430 pieces = KnightmateArray;
5431 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5434 pieces = fairyArray;
5435 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5438 pieces = GreatArray;
5439 gameInfo.boardWidth = 10;
5440 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5441 gameInfo.holdingsSize = 8;
5445 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5446 gameInfo.holdingsSize = 8;
5447 startedFromSetupPosition = TRUE;
5449 case VariantCrazyhouse:
5450 case VariantBughouse:
5452 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5453 gameInfo.holdingsSize = 5;
5455 case VariantWildCastle:
5457 /* !!?shuffle with kings guaranteed to be on d or e file */
5458 shuffleOpenings = 1;
5460 case VariantNoCastle:
5462 nrCastlingRights = 0;
5463 /* !!?unconstrained back-rank shuffle */
5464 shuffleOpenings = 1;
5469 if(appData.NrFiles >= 0) {
5470 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5471 gameInfo.boardWidth = appData.NrFiles;
5473 if(appData.NrRanks >= 0) {
5474 gameInfo.boardHeight = appData.NrRanks;
5476 if(appData.holdingsSize >= 0) {
5477 i = appData.holdingsSize;
5478 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5479 gameInfo.holdingsSize = i;
5481 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5482 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5483 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5485 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5486 if(pawnRow < 1) pawnRow = 1;
5487 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5489 /* User pieceToChar list overrules defaults */
5490 if(appData.pieceToCharTable != NULL)
5491 SetCharTable(pieceToChar, appData.pieceToCharTable);
5493 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5495 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5496 s = (ChessSquare) 0; /* account holding counts in guard band */
5497 for( i=0; i<BOARD_HEIGHT; i++ )
5498 initialPosition[i][j] = s;
5500 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5501 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5502 initialPosition[pawnRow][j] = WhitePawn;
5503 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5504 if(gameInfo.variant == VariantXiangqi) {
5506 initialPosition[pawnRow][j] =
5507 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5508 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5509 initialPosition[2][j] = WhiteCannon;
5510 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5514 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5516 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5519 initialPosition[1][j] = WhiteBishop;
5520 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5522 initialPosition[1][j] = WhiteRook;
5523 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5526 if( nrCastlingRights == -1) {
5527 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5528 /* This sets default castling rights from none to normal corners */
5529 /* Variants with other castling rights must set them themselves above */
5530 nrCastlingRights = 6;
5532 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5533 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5534 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5535 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5536 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5537 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5540 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5541 if(gameInfo.variant == VariantGreat) { // promotion commoners
5542 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5543 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5544 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5545 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5547 if (appData.debugMode) {
5548 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5550 if(shuffleOpenings) {
5551 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5552 startedFromSetupPosition = TRUE;
5554 if(startedFromPositionFile) {
5555 /* [HGM] loadPos: use PositionFile for every new game */
5556 CopyBoard(initialPosition, filePosition);
5557 for(i=0; i<nrCastlingRights; i++)
5558 initialRights[i] = filePosition[CASTLING][i];
5559 startedFromSetupPosition = TRUE;
5562 CopyBoard(boards[0], initialPosition);
5564 if(oldx != gameInfo.boardWidth ||
5565 oldy != gameInfo.boardHeight ||
5566 oldh != gameInfo.holdingsWidth
5568 || oldv == VariantGothic || // For licensing popups
5569 gameInfo.variant == VariantGothic
5572 || oldv == VariantFalcon ||
5573 gameInfo.variant == VariantFalcon
5576 InitDrawingSizes(-2 ,0);
5579 DrawPosition(TRUE, boards[currentMove]);
5583 SendBoard(cps, moveNum)
5584 ChessProgramState *cps;
5587 char message[MSG_SIZ];
5589 if (cps->useSetboard) {
5590 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5591 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5592 SendToProgram(message, cps);
5598 /* Kludge to set black to move, avoiding the troublesome and now
5599 * deprecated "black" command.
5601 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5603 SendToProgram("edit\n", cps);
5604 SendToProgram("#\n", cps);
5605 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5606 bp = &boards[moveNum][i][BOARD_LEFT];
5607 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5608 if ((int) *bp < (int) BlackPawn) {
5609 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5611 if(message[0] == '+' || message[0] == '~') {
5612 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5613 PieceToChar((ChessSquare)(DEMOTED *bp)),
5616 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5617 message[1] = BOARD_RGHT - 1 - j + '1';
5618 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5620 SendToProgram(message, cps);
5625 SendToProgram("c\n", cps);
5626 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5627 bp = &boards[moveNum][i][BOARD_LEFT];
5628 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5629 if (((int) *bp != (int) EmptySquare)
5630 && ((int) *bp >= (int) BlackPawn)) {
5631 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5633 if(message[0] == '+' || message[0] == '~') {
5634 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5635 PieceToChar((ChessSquare)(DEMOTED *bp)),
5638 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5639 message[1] = BOARD_RGHT - 1 - j + '1';
5640 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5642 SendToProgram(message, cps);
5647 SendToProgram(".\n", cps);
5649 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5652 static int autoQueen; // [HGM] oneclick
5655 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5657 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5658 /* [HGM] add Shogi promotions */
5659 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5664 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5665 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5667 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5668 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5671 piece = boards[currentMove][fromY][fromX];
5672 if(gameInfo.variant == VariantShogi) {
5673 promotionZoneSize = BOARD_HEIGHT/3;
5674 highestPromotingPiece = (int)WhiteFerz;
5675 } else if(gameInfo.variant == VariantMakruk) {
5676 promotionZoneSize = 3;
5679 // next weed out all moves that do not touch the promotion zone at all
5680 if((int)piece >= BlackPawn) {
5681 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5683 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5685 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5686 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5689 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5691 // weed out mandatory Shogi promotions
5692 if(gameInfo.variant == VariantShogi) {
5693 if(piece >= BlackPawn) {
5694 if(toY == 0 && piece == BlackPawn ||
5695 toY == 0 && piece == BlackQueen ||
5696 toY <= 1 && piece == BlackKnight) {
5701 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5702 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5703 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5710 // weed out obviously illegal Pawn moves
5711 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5712 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5713 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5714 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5715 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5716 // note we are not allowed to test for valid (non-)capture, due to premove
5719 // we either have a choice what to promote to, or (in Shogi) whether to promote
5720 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5721 *promoChoice = PieceToChar(BlackFerz); // no choice
5724 // no sense asking what we must promote to if it is going to explode...
5725 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5726 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5729 if(autoQueen) { // predetermined
5730 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5731 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5732 else *promoChoice = PieceToChar(BlackQueen);
5736 // suppress promotion popup on illegal moves that are not premoves
5737 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5738 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5739 if(appData.testLegality && !premove) {
5740 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5741 fromY, fromX, toY, toX, NULLCHAR);
5742 if(moveType != WhitePromotion && moveType != BlackPromotion)
5750 InPalace(row, column)
5752 { /* [HGM] for Xiangqi */
5753 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5754 column < (BOARD_WIDTH + 4)/2 &&
5755 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5760 PieceForSquare (x, y)
5764 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5767 return boards[currentMove][y][x];
5771 OKToStartUserMove(x, y)
5774 ChessSquare from_piece;
5777 if (matchMode) return FALSE;
5778 if (gameMode == EditPosition) return TRUE;
5780 if (x >= 0 && y >= 0)
5781 from_piece = boards[currentMove][y][x];
5783 from_piece = EmptySquare;
5785 if (from_piece == EmptySquare) return FALSE;
5787 white_piece = (int)from_piece >= (int)WhitePawn &&
5788 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5791 case PlayFromGameFile:
5793 case TwoMachinesPlay:
5801 case MachinePlaysWhite:
5802 case IcsPlayingBlack:
5803 if (appData.zippyPlay) return FALSE;
5805 DisplayMoveError(_("You are playing Black"));
5810 case MachinePlaysBlack:
5811 case IcsPlayingWhite:
5812 if (appData.zippyPlay) return FALSE;
5814 DisplayMoveError(_("You are playing White"));
5820 if (!white_piece && WhiteOnMove(currentMove)) {
5821 DisplayMoveError(_("It is White's turn"));
5824 if (white_piece && !WhiteOnMove(currentMove)) {
5825 DisplayMoveError(_("It is Black's turn"));
5828 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5829 /* Editing correspondence game history */
5830 /* Could disallow this or prompt for confirmation */
5835 case BeginningOfGame:
5836 if (appData.icsActive) return FALSE;
5837 if (!appData.noChessProgram) {
5839 DisplayMoveError(_("You are playing White"));
5846 if (!white_piece && WhiteOnMove(currentMove)) {
5847 DisplayMoveError(_("It is White's turn"));
5850 if (white_piece && !WhiteOnMove(currentMove)) {
5851 DisplayMoveError(_("It is Black's turn"));
5860 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5861 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5862 && gameMode != AnalyzeFile && gameMode != Training) {
5863 DisplayMoveError(_("Displayed position is not current"));
5870 OnlyMove(int *x, int *y, Boolean captures) {
5871 DisambiguateClosure cl;
5872 if (appData.zippyPlay) return FALSE;
5874 case MachinePlaysBlack:
5875 case IcsPlayingWhite:
5876 case BeginningOfGame:
5877 if(!WhiteOnMove(currentMove)) return FALSE;
5879 case MachinePlaysWhite:
5880 case IcsPlayingBlack:
5881 if(WhiteOnMove(currentMove)) return FALSE;
5888 cl.pieceIn = EmptySquare;
5893 cl.promoCharIn = NULLCHAR;
5894 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5895 if( cl.kind == NormalMove ||
5896 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5897 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5898 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5905 if(cl.kind != ImpossibleMove) return FALSE;
5906 cl.pieceIn = EmptySquare;
5911 cl.promoCharIn = NULLCHAR;
5912 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5913 if( cl.kind == NormalMove ||
5914 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5915 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5916 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5921 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5927 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5928 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5929 int lastLoadGameUseList = FALSE;
5930 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5931 ChessMove lastLoadGameStart = EndOfFile;
5934 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5935 int fromX, fromY, toX, toY;
5939 ChessSquare pdown, pup;
5941 /* Check if the user is playing in turn. This is complicated because we
5942 let the user "pick up" a piece before it is his turn. So the piece he
5943 tried to pick up may have been captured by the time he puts it down!
5944 Therefore we use the color the user is supposed to be playing in this
5945 test, not the color of the piece that is currently on the starting
5946 square---except in EditGame mode, where the user is playing both
5947 sides; fortunately there the capture race can't happen. (It can
5948 now happen in IcsExamining mode, but that's just too bad. The user
5949 will get a somewhat confusing message in that case.)
5953 case PlayFromGameFile:
5955 case TwoMachinesPlay:
5959 /* We switched into a game mode where moves are not accepted,
5960 perhaps while the mouse button was down. */
5963 case MachinePlaysWhite:
5964 /* User is moving for Black */
5965 if (WhiteOnMove(currentMove)) {
5966 DisplayMoveError(_("It is White's turn"));
5971 case MachinePlaysBlack:
5972 /* User is moving for White */
5973 if (!WhiteOnMove(currentMove)) {
5974 DisplayMoveError(_("It is Black's turn"));
5981 case BeginningOfGame:
5984 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5985 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5986 /* User is moving for Black */
5987 if (WhiteOnMove(currentMove)) {
5988 DisplayMoveError(_("It is White's turn"));
5992 /* User is moving for White */
5993 if (!WhiteOnMove(currentMove)) {
5994 DisplayMoveError(_("It is Black's turn"));
6000 case IcsPlayingBlack:
6001 /* User is moving for Black */
6002 if (WhiteOnMove(currentMove)) {
6003 if (!appData.premove) {
6004 DisplayMoveError(_("It is White's turn"));
6005 } else if (toX >= 0 && toY >= 0) {
6008 premoveFromX = fromX;
6009 premoveFromY = fromY;
6010 premovePromoChar = promoChar;
6012 if (appData.debugMode)
6013 fprintf(debugFP, "Got premove: fromX %d,"
6014 "fromY %d, toX %d, toY %d\n",
6015 fromX, fromY, toX, toY);
6021 case IcsPlayingWhite:
6022 /* User is moving for White */
6023 if (!WhiteOnMove(currentMove)) {
6024 if (!appData.premove) {
6025 DisplayMoveError(_("It is Black's turn"));
6026 } else if (toX >= 0 && toY >= 0) {
6029 premoveFromX = fromX;
6030 premoveFromY = fromY;
6031 premovePromoChar = promoChar;
6033 if (appData.debugMode)
6034 fprintf(debugFP, "Got premove: fromX %d,"
6035 "fromY %d, toX %d, toY %d\n",
6036 fromX, fromY, toX, toY);
6046 /* EditPosition, empty square, or different color piece;
6047 click-click move is possible */
6048 if (toX == -2 || toY == -2) {
6049 boards[0][fromY][fromX] = EmptySquare;
6050 DrawPosition(FALSE, boards[currentMove]);
6052 } else if (toX >= 0 && toY >= 0) {
6053 boards[0][toY][toX] = boards[0][fromY][fromX];
6054 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6055 if(boards[0][fromY][0] != EmptySquare) {
6056 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6057 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6060 if(fromX == BOARD_RGHT+1) {
6061 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6062 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6063 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6066 boards[0][fromY][fromX] = EmptySquare;
6067 DrawPosition(FALSE, boards[currentMove]);
6073 if(toX < 0 || toY < 0) return;
6074 pdown = boards[currentMove][fromY][fromX];
6075 pup = boards[currentMove][toY][toX];
6077 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6078 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6079 if( pup != EmptySquare ) return;
6080 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6081 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6082 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6083 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6084 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6085 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6086 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6090 /* [HGM] always test for legality, to get promotion info */
6091 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6092 fromY, fromX, toY, toX, promoChar);
6093 /* [HGM] but possibly ignore an IllegalMove result */
6094 if (appData.testLegality) {
6095 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6096 DisplayMoveError(_("Illegal move"));
6101 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6104 /* Common tail of UserMoveEvent and DropMenuEvent */
6106 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6108 int fromX, fromY, toX, toY;
6109 /*char*/int promoChar;
6113 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6114 // [HGM] superchess: suppress promotions to non-available piece
6115 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6116 if(WhiteOnMove(currentMove)) {
6117 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6119 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6123 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6124 move type in caller when we know the move is a legal promotion */
6125 if(moveType == NormalMove && promoChar)
6126 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6128 /* [HGM] <popupFix> The following if has been moved here from
6129 UserMoveEvent(). Because it seemed to belong here (why not allow
6130 piece drops in training games?), and because it can only be
6131 performed after it is known to what we promote. */
6132 if (gameMode == Training) {
6133 /* compare the move played on the board to the next move in the
6134 * game. If they match, display the move and the opponent's response.
6135 * If they don't match, display an error message.
6139 CopyBoard(testBoard, boards[currentMove]);
6140 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6142 if (CompareBoards(testBoard, boards[currentMove+1])) {
6143 ForwardInner(currentMove+1);
6145 /* Autoplay the opponent's response.
6146 * if appData.animate was TRUE when Training mode was entered,
6147 * the response will be animated.
6149 saveAnimate = appData.animate;
6150 appData.animate = animateTraining;
6151 ForwardInner(currentMove+1);
6152 appData.animate = saveAnimate;
6154 /* check for the end of the game */
6155 if (currentMove >= forwardMostMove) {
6156 gameMode = PlayFromGameFile;
6158 SetTrainingModeOff();
6159 DisplayInformation(_("End of game"));
6162 DisplayError(_("Incorrect move"), 0);
6167 /* Ok, now we know that the move is good, so we can kill
6168 the previous line in Analysis Mode */
6169 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6170 && currentMove < forwardMostMove) {
6171 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6172 else forwardMostMove = currentMove;
6175 /* If we need the chess program but it's dead, restart it */
6176 ResurrectChessProgram();
6178 /* A user move restarts a paused game*/
6182 thinkOutput[0] = NULLCHAR;
6184 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6186 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6188 if (gameMode == BeginningOfGame) {
6189 if (appData.noChessProgram) {
6190 gameMode = EditGame;
6194 gameMode = MachinePlaysBlack;
6197 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6199 if (first.sendName) {
6200 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6201 SendToProgram(buf, &first);
6208 /* Relay move to ICS or chess engine */
6209 if (appData.icsActive) {
6210 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6211 gameMode == IcsExamining) {
6212 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6213 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6215 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6217 // also send plain move, in case ICS does not understand atomic claims
6218 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6222 if (first.sendTime && (gameMode == BeginningOfGame ||
6223 gameMode == MachinePlaysWhite ||
6224 gameMode == MachinePlaysBlack)) {
6225 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6227 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6228 // [HGM] book: if program might be playing, let it use book
6229 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6230 first.maybeThinking = TRUE;
6231 } else SendMoveToProgram(forwardMostMove-1, &first);
6232 if (currentMove == cmailOldMove + 1) {
6233 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6237 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6241 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6247 if (WhiteOnMove(currentMove)) {
6248 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6250 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6254 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6259 case MachinePlaysBlack:
6260 case MachinePlaysWhite:
6261 /* disable certain menu options while machine is thinking */
6262 SetMachineThinkingEnables();
6269 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6271 if(bookHit) { // [HGM] book: simulate book reply
6272 static char bookMove[MSG_SIZ]; // a bit generous?
6274 programStats.nodes = programStats.depth = programStats.time =
6275 programStats.score = programStats.got_only_move = 0;
6276 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6278 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6279 strcat(bookMove, bookHit);
6280 HandleMachineMove(bookMove, &first);
6286 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6293 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6294 Markers *m = (Markers *) closure;
6295 if(rf == fromY && ff == fromX)
6296 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6297 || kind == WhiteCapturesEnPassant
6298 || kind == BlackCapturesEnPassant);
6299 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6303 MarkTargetSquares(int clear)
6306 if(!appData.markers || !appData.highlightDragging ||
6307 !appData.testLegality || gameMode == EditPosition) return;
6309 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6312 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6313 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6314 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6316 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6319 DrawPosition(TRUE, NULL);
6323 Explode(Board board, int fromX, int fromY, int toX, int toY)
6325 if(gameInfo.variant == VariantAtomic &&
6326 (board[toY][toX] != EmptySquare || // capture?
6327 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6328 board[fromY][fromX] == BlackPawn )
6330 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6336 void LeftClick(ClickType clickType, int xPix, int yPix)
6339 Boolean saveAnimate;
6340 static int second = 0, promotionChoice = 0, dragging = 0;
6341 char promoChoice = NULLCHAR;
6343 if(appData.seekGraph && appData.icsActive && loggedOn &&
6344 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6345 SeekGraphClick(clickType, xPix, yPix, 0);
6349 if (clickType == Press) ErrorPopDown();
6350 MarkTargetSquares(1);
6352 x = EventToSquare(xPix, BOARD_WIDTH);
6353 y = EventToSquare(yPix, BOARD_HEIGHT);
6354 if (!flipView && y >= 0) {
6355 y = BOARD_HEIGHT - 1 - y;
6357 if (flipView && x >= 0) {
6358 x = BOARD_WIDTH - 1 - x;
6361 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6362 if(clickType == Release) return; // ignore upclick of click-click destination
6363 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6364 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6365 if(gameInfo.holdingsWidth &&
6366 (WhiteOnMove(currentMove)
6367 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6368 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6369 // click in right holdings, for determining promotion piece
6370 ChessSquare p = boards[currentMove][y][x];
6371 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6372 if(p != EmptySquare) {
6373 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6378 DrawPosition(FALSE, boards[currentMove]);
6382 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6383 if(clickType == Press
6384 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6385 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6386 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6389 autoQueen = appData.alwaysPromoteToQueen;
6392 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6393 if (clickType == Press) {
6395 if (OKToStartUserMove(x, y)) {
6399 MarkTargetSquares(0);
6400 DragPieceBegin(xPix, yPix); dragging = 1;
6401 if (appData.highlightDragging) {
6402 SetHighlights(x, y, -1, -1);
6405 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6406 DragPieceEnd(xPix, yPix); dragging = 0;
6407 DrawPosition(FALSE, NULL);
6414 if (clickType == Press && gameMode != EditPosition) {
6419 // ignore off-board to clicks
6420 if(y < 0 || x < 0) return;
6422 /* Check if clicking again on the same color piece */
6423 fromP = boards[currentMove][fromY][fromX];
6424 toP = boards[currentMove][y][x];
6425 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6426 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6427 WhitePawn <= toP && toP <= WhiteKing &&
6428 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6429 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6430 (BlackPawn <= fromP && fromP <= BlackKing &&
6431 BlackPawn <= toP && toP <= BlackKing &&
6432 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6433 !(fromP == BlackKing && toP == BlackRook && frc))) {
6434 /* Clicked again on same color piece -- changed his mind */
6435 second = (x == fromX && y == fromY);
6436 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6437 if (appData.highlightDragging) {
6438 SetHighlights(x, y, -1, -1);
6442 if (OKToStartUserMove(x, y)) {
6444 fromY = y; dragging = 1;
6445 MarkTargetSquares(0);
6446 DragPieceBegin(xPix, yPix);
6451 // ignore clicks on holdings
6452 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6455 if (clickType == Release && x == fromX && y == fromY) {
6456 DragPieceEnd(xPix, yPix); dragging = 0;
6457 if (appData.animateDragging) {
6458 /* Undo animation damage if any */
6459 DrawPosition(FALSE, NULL);
6462 /* Second up/down in same square; just abort move */
6467 ClearPremoveHighlights();
6469 /* First upclick in same square; start click-click mode */
6470 SetHighlights(x, y, -1, -1);
6475 /* we now have a different from- and (possibly off-board) to-square */
6476 /* Completed move */
6479 saveAnimate = appData.animate;
6480 if (clickType == Press) {
6481 /* Finish clickclick move */
6482 if (appData.animate || appData.highlightLastMove) {
6483 SetHighlights(fromX, fromY, toX, toY);
6488 /* Finish drag move */
6489 if (appData.highlightLastMove) {
6490 SetHighlights(fromX, fromY, toX, toY);
6494 DragPieceEnd(xPix, yPix); dragging = 0;
6495 /* Don't animate move and drag both */
6496 appData.animate = FALSE;
6499 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6500 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6501 ChessSquare piece = boards[currentMove][fromY][fromX];
6502 if(gameMode == EditPosition && piece != EmptySquare &&
6503 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6506 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6507 n = PieceToNumber(piece - (int)BlackPawn);
6508 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6509 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6510 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6512 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6513 n = PieceToNumber(piece);
6514 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6515 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6516 boards[currentMove][n][BOARD_WIDTH-2]++;
6518 boards[currentMove][fromY][fromX] = EmptySquare;
6522 DrawPosition(TRUE, boards[currentMove]);
6526 // off-board moves should not be highlighted
6527 if(x < 0 || x < 0) ClearHighlights();
6529 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6530 SetHighlights(fromX, fromY, toX, toY);
6531 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6532 // [HGM] super: promotion to captured piece selected from holdings
6533 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6534 promotionChoice = TRUE;
6535 // kludge follows to temporarily execute move on display, without promoting yet
6536 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6537 boards[currentMove][toY][toX] = p;
6538 DrawPosition(FALSE, boards[currentMove]);
6539 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6540 boards[currentMove][toY][toX] = q;
6541 DisplayMessage("Click in holdings to choose piece", "");
6546 int oldMove = currentMove;
6547 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6548 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6549 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6550 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6551 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6552 DrawPosition(TRUE, boards[currentMove]);
6555 appData.animate = saveAnimate;
6556 if (appData.animate || appData.animateDragging) {
6557 /* Undo animation damage if needed */
6558 DrawPosition(FALSE, NULL);
6562 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6563 { // front-end-free part taken out of PieceMenuPopup
6564 int whichMenu; int xSqr, ySqr;
6566 if(seekGraphUp) { // [HGM] seekgraph
6567 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6568 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6572 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6573 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6574 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6575 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6576 if(action == Press) {
6577 originalFlip = flipView;
6578 flipView = !flipView; // temporarily flip board to see game from partners perspective
6579 DrawPosition(TRUE, partnerBoard);
6580 DisplayMessage(partnerStatus, "");
6582 } else if(action == Release) {
6583 flipView = originalFlip;
6584 DrawPosition(TRUE, boards[currentMove]);
6590 xSqr = EventToSquare(x, BOARD_WIDTH);
6591 ySqr = EventToSquare(y, BOARD_HEIGHT);
6592 if (action == Release) UnLoadPV(); // [HGM] pv
6593 if (action != Press) return -2; // return code to be ignored
6596 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6598 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6599 if (xSqr < 0 || ySqr < 0) return -1;
\r
6600 whichMenu = 0; // edit-position menu
6603 if(!appData.icsEngineAnalyze) return -1;
6604 case IcsPlayingWhite:
6605 case IcsPlayingBlack:
6606 if(!appData.zippyPlay) goto noZip;
6609 case MachinePlaysWhite:
6610 case MachinePlaysBlack:
6611 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6612 if (!appData.dropMenu) {
6614 return 2; // flag front-end to grab mouse events
6616 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6617 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6620 if (xSqr < 0 || ySqr < 0) return -1;
6621 if (!appData.dropMenu || appData.testLegality &&
6622 gameInfo.variant != VariantBughouse &&
6623 gameInfo.variant != VariantCrazyhouse) return -1;
6624 whichMenu = 1; // drop menu
6630 if (((*fromX = xSqr) < 0) ||
6631 ((*fromY = ySqr) < 0)) {
6632 *fromX = *fromY = -1;
6636 *fromX = BOARD_WIDTH - 1 - *fromX;
6638 *fromY = BOARD_HEIGHT - 1 - *fromY;
6643 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6645 // char * hint = lastHint;
6646 FrontEndProgramStats stats;
6648 stats.which = cps == &first ? 0 : 1;
6649 stats.depth = cpstats->depth;
6650 stats.nodes = cpstats->nodes;
6651 stats.score = cpstats->score;
6652 stats.time = cpstats->time;
6653 stats.pv = cpstats->movelist;
6654 stats.hint = lastHint;
6655 stats.an_move_index = 0;
6656 stats.an_move_count = 0;
6658 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6659 stats.hint = cpstats->move_name;
6660 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6661 stats.an_move_count = cpstats->nr_moves;
6664 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
6666 SetProgramStats( &stats );
6670 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6671 { // count all piece types
6673 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6674 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6675 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6678 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6679 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6680 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6681 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6682 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6683 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6688 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6690 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6691 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6693 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6694 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6695 if(myPawns == 2 && nMine == 3) // KPP
6696 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6697 if(myPawns == 1 && nMine == 2) // KP
6698 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6699 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6700 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6701 if(myPawns) return FALSE;
6702 if(pCnt[WhiteRook+side])
6703 return pCnt[BlackRook-side] ||
6704 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6705 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6706 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6707 if(pCnt[WhiteCannon+side]) {
6708 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6709 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6711 if(pCnt[WhiteKnight+side])
6712 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6717 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6719 VariantClass v = gameInfo.variant;
6721 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6722 if(v == VariantShatranj) return TRUE; // always winnable through baring
6723 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6724 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6726 if(v == VariantXiangqi) {
6727 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6729 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6730 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6731 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6732 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6733 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6734 if(stale) // we have at least one last-rank P plus perhaps C
6735 return majors // KPKX
6736 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6738 return pCnt[WhiteFerz+side] // KCAK
6739 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6740 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6741 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6743 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6744 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6746 if(nMine == 1) return FALSE; // bare King
6747 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
6748 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6749 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6750 // by now we have King + 1 piece (or multiple Bishops on the same color)
6751 if(pCnt[WhiteKnight+side])
6752 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6753 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6754 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6756 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6757 if(pCnt[WhiteAlfil+side])
6758 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6759 if(pCnt[WhiteWazir+side])
6760 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6767 Adjudicate(ChessProgramState *cps)
6768 { // [HGM] some adjudications useful with buggy engines
6769 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6770 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6771 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6772 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6773 int k, count = 0; static int bare = 1;
6774 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6775 Boolean canAdjudicate = !appData.icsActive;
6777 // most tests only when we understand the game, i.e. legality-checking on
6778 if( appData.testLegality )
6779 { /* [HGM] Some more adjudications for obstinate engines */
6780 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6781 static int moveCount = 6;
6783 char *reason = NULL;
6785 /* Count what is on board. */
6786 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6788 /* Some material-based adjudications that have to be made before stalemate test */
6789 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6790 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6791 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6792 if(canAdjudicate && appData.checkMates) {
6794 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6795 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6796 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6797 "Xboard adjudication: King destroyed", GE_XBOARD );
6802 /* Bare King in Shatranj (loses) or Losers (wins) */
6803 if( nrW == 1 || nrB == 1) {
6804 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6805 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6806 if(canAdjudicate && appData.checkMates) {
6808 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6809 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6810 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6811 "Xboard adjudication: Bare king", GE_XBOARD );
6815 if( gameInfo.variant == VariantShatranj && --bare < 0)
6817 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6818 if(canAdjudicate && appData.checkMates) {
6819 /* but only adjudicate if adjudication enabled */
6821 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6822 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6823 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6824 "Xboard adjudication: Bare king", GE_XBOARD );
6831 // don't wait for engine to announce game end if we can judge ourselves
6832 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6834 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6835 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6836 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6837 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6840 reason = "Xboard adjudication: 3rd check";
6841 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6851 reason = "Xboard adjudication: Stalemate";
6852 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6853 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6854 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6855 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6856 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6857 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6858 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6859 EP_CHECKMATE : EP_WINS);
6860 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6861 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6865 reason = "Xboard adjudication: Checkmate";
6866 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6870 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6872 result = GameIsDrawn; break;
6874 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6876 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6880 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6882 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6883 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6884 GameEnds( result, reason, GE_XBOARD );
6888 /* Next absolutely insufficient mating material. */
6889 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6890 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6891 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6893 /* always flag draws, for judging claims */
6894 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6896 if(canAdjudicate && appData.materialDraws) {
6897 /* but only adjudicate them if adjudication enabled */
6898 if(engineOpponent) {
6899 SendToProgram("force\n", engineOpponent); // suppress reply
6900 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6902 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6903 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6908 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6909 if(gameInfo.variant == VariantXiangqi ?
6910 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6912 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6913 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6914 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6915 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6917 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6918 { /* if the first 3 moves do not show a tactical win, declare draw */
6919 if(engineOpponent) {
6920 SendToProgram("force\n", engineOpponent); // suppress reply
6921 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6923 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6924 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6927 } else moveCount = 6;
6929 if (appData.debugMode) { int i;
6930 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6931 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6932 appData.drawRepeats);
6933 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6934 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6938 // Repetition draws and 50-move rule can be applied independently of legality testing
6940 /* Check for rep-draws */
6942 for(k = forwardMostMove-2;
6943 k>=backwardMostMove && k>=forwardMostMove-100 &&
6944 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6945 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6948 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6949 /* compare castling rights */
6950 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6951 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6952 rights++; /* King lost rights, while rook still had them */
6953 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6954 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6955 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6956 rights++; /* but at least one rook lost them */
6958 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6959 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6961 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6962 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6963 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6966 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6967 && appData.drawRepeats > 1) {
6968 /* adjudicate after user-specified nr of repeats */
6969 int result = GameIsDrawn;
6970 char *details = "XBoard adjudication: repetition draw";
6971 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6972 // [HGM] xiangqi: check for forbidden perpetuals
6973 int m, ourPerpetual = 1, hisPerpetual = 1;
6974 for(m=forwardMostMove; m>k; m-=2) {
6975 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6976 ourPerpetual = 0; // the current mover did not always check
6977 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6978 hisPerpetual = 0; // the opponent did not always check
6980 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6981 ourPerpetual, hisPerpetual);
6982 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6983 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6984 details = "Xboard adjudication: perpetual checking";
6986 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6987 break; // (or we would have caught him before). Abort repetition-checking loop.
6989 // Now check for perpetual chases
6990 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6991 hisPerpetual = PerpetualChase(k, forwardMostMove);
6992 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6993 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6994 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6995 details = "Xboard adjudication: perpetual chasing";
6997 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6998 break; // Abort repetition-checking loop.
7000 // if neither of us is checking or chasing all the time, or both are, it is draw
7002 if(engineOpponent) {
7003 SendToProgram("force\n", engineOpponent); // suppress reply
7004 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7006 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7007 GameEnds( result, details, GE_XBOARD );
7010 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7011 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7015 /* Now we test for 50-move draws. Determine ply count */
7016 count = forwardMostMove;
7017 /* look for last irreversble move */
7018 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7020 /* if we hit starting position, add initial plies */
7021 if( count == backwardMostMove )
7022 count -= initialRulePlies;
7023 count = forwardMostMove - count;
7024 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7025 // adjust reversible move counter for checks in Xiangqi
7026 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7027 if(i < backwardMostMove) i = backwardMostMove;
7028 while(i <= forwardMostMove) {
7029 lastCheck = inCheck; // check evasion does not count
7030 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7031 if(inCheck || lastCheck) count--; // check does not count
7036 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7037 /* this is used to judge if draw claims are legal */
7038 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
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, "Xboard adjudication: 50-move rule", GE_XBOARD );
7048 /* if draw offer is pending, treat it as a draw claim
7049 * when draw condition present, to allow engines a way to
7050 * claim draws before making their move to avoid a race
7051 * condition occurring after their move
7053 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7055 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7056 p = "Draw claim: 50-move rule";
7057 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7058 p = "Draw claim: 3-fold repetition";
7059 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7060 p = "Draw claim: insufficient mating material";
7061 if( p != NULL && canAdjudicate) {
7062 if(engineOpponent) {
7063 SendToProgram("force\n", engineOpponent); // suppress reply
7064 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7066 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7067 GameEnds( GameIsDrawn, p, GE_XBOARD );
7072 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7073 if(engineOpponent) {
7074 SendToProgram("force\n", engineOpponent); // suppress reply
7075 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7077 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7078 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7084 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7085 { // [HGM] book: this routine intercepts moves to simulate book replies
7086 char *bookHit = NULL;
7088 //first determine if the incoming move brings opponent into his book
7089 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7090 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7091 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7092 if(bookHit != NULL && !cps->bookSuspend) {
7093 // make sure opponent is not going to reply after receiving move to book position
7094 SendToProgram("force\n", cps);
7095 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7097 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7098 // now arrange restart after book miss
7100 // after a book hit we never send 'go', and the code after the call to this routine
7101 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7103 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7104 SendToProgram(buf, cps);
7105 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7106 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7107 SendToProgram("go\n", cps);
7108 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7109 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7110 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7111 SendToProgram("go\n", cps);
7112 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7114 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7118 ChessProgramState *savedState;
7119 void DeferredBookMove(void)
7121 if(savedState->lastPing != savedState->lastPong)
7122 ScheduleDelayedEvent(DeferredBookMove, 10);
7124 HandleMachineMove(savedMessage, savedState);
7128 HandleMachineMove(message, cps)
7130 ChessProgramState *cps;
7132 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7133 char realname[MSG_SIZ];
7134 int fromX, fromY, toX, toY;
7143 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7145 * Kludge to ignore BEL characters
7147 while (*message == '\007') message++;
7150 * [HGM] engine debug message: ignore lines starting with '#' character
7152 if(cps->debug && *message == '#') return;
7155 * Look for book output
7157 if (cps == &first && bookRequested) {
7158 if (message[0] == '\t' || message[0] == ' ') {
7159 /* Part of the book output is here; append it */
7160 strcat(bookOutput, message);
7161 strcat(bookOutput, " \n");
7163 } else if (bookOutput[0] != NULLCHAR) {
7164 /* All of book output has arrived; display it */
7165 char *p = bookOutput;
7166 while (*p != NULLCHAR) {
7167 if (*p == '\t') *p = ' ';
7170 DisplayInformation(bookOutput);
7171 bookRequested = FALSE;
7172 /* Fall through to parse the current output */
7177 * Look for machine move.
7179 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7180 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7182 /* This method is only useful on engines that support ping */
7183 if (cps->lastPing != cps->lastPong) {
7184 if (gameMode == BeginningOfGame) {
7185 /* Extra move from before last new; ignore */
7186 if (appData.debugMode) {
7187 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7190 if (appData.debugMode) {
7191 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7192 cps->which, gameMode);
7195 SendToProgram("undo\n", cps);
7201 case BeginningOfGame:
7202 /* Extra move from before last reset; ignore */
7203 if (appData.debugMode) {
7204 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7211 /* Extra move after we tried to stop. The mode test is
7212 not a reliable way of detecting this problem, but it's
7213 the best we can do on engines that don't support ping.
7215 if (appData.debugMode) {
7216 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7217 cps->which, gameMode);
7219 SendToProgram("undo\n", cps);
7222 case MachinePlaysWhite:
7223 case IcsPlayingWhite:
7224 machineWhite = TRUE;
7227 case MachinePlaysBlack:
7228 case IcsPlayingBlack:
7229 machineWhite = FALSE;
7232 case TwoMachinesPlay:
7233 machineWhite = (cps->twoMachinesColor[0] == 'w');
7236 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7237 if (appData.debugMode) {
7239 "Ignoring move out of turn by %s, gameMode %d"
7240 ", forwardMost %d\n",
7241 cps->which, gameMode, forwardMostMove);
7246 if (appData.debugMode) { int f = forwardMostMove;
7247 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7248 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7249 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7251 if(cps->alphaRank) AlphaRank(machineMove, 4);
7252 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7253 &fromX, &fromY, &toX, &toY, &promoChar)) {
7254 /* Machine move could not be parsed; ignore it. */
7255 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7256 machineMove, cps->which);
7257 DisplayError(buf1, 0);
7258 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7259 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7260 if (gameMode == TwoMachinesPlay) {
7261 GameEnds(machineWhite ? BlackWins : WhiteWins,
7267 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7268 /* So we have to redo legality test with true e.p. status here, */
7269 /* to make sure an illegal e.p. capture does not slip through, */
7270 /* to cause a forfeit on a justified illegal-move complaint */
7271 /* of the opponent. */
7272 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7274 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7275 fromY, fromX, toY, toX, promoChar);
7276 if (appData.debugMode) {
7278 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7279 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7280 fprintf(debugFP, "castling rights\n");
7282 if(moveType == IllegalMove) {
7283 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7284 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7285 GameEnds(machineWhite ? BlackWins : WhiteWins,
7288 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7289 /* [HGM] Kludge to handle engines that send FRC-style castling
7290 when they shouldn't (like TSCP-Gothic) */
7292 case WhiteASideCastleFR:
7293 case BlackASideCastleFR:
7295 currentMoveString[2]++;
7297 case WhiteHSideCastleFR:
7298 case BlackHSideCastleFR:
7300 currentMoveString[2]--;
7302 default: ; // nothing to do, but suppresses warning of pedantic compilers
7305 hintRequested = FALSE;
7306 lastHint[0] = NULLCHAR;
7307 bookRequested = FALSE;
7308 /* Program may be pondering now */
7309 cps->maybeThinking = TRUE;
7310 if (cps->sendTime == 2) cps->sendTime = 1;
7311 if (cps->offeredDraw) cps->offeredDraw--;
7313 /* currentMoveString is set as a side-effect of ParseOneMove */
7314 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7315 strcat(machineMove, "\n");
7316 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7318 /* [AS] Save move info*/
7319 pvInfoList[ forwardMostMove ].score = programStats.score;
7320 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7321 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7323 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7325 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7326 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7329 while( count < adjudicateLossPlies ) {
7330 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7333 score = -score; /* Flip score for winning side */
7336 if( score > adjudicateLossThreshold ) {
7343 if( count >= adjudicateLossPlies ) {
7344 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7346 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7347 "Xboard adjudication",
7354 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7357 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7359 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7360 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7362 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7364 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7366 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7367 char buf[3*MSG_SIZ];
7369 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7370 programStats.score / 100.,
7372 programStats.time / 100.,
7373 (unsigned int)programStats.nodes,
7374 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7375 programStats.movelist);
7377 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7382 /* [AS] Clear stats for next move */
7383 ClearProgramStats();
7384 thinkOutput[0] = NULLCHAR;
7385 hiddenThinkOutputState = 0;
7388 if (gameMode == TwoMachinesPlay) {
7389 /* [HGM] relaying draw offers moved to after reception of move */
7390 /* and interpreting offer as claim if it brings draw condition */
7391 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7392 SendToProgram("draw\n", cps->other);
7394 if (cps->other->sendTime) {
7395 SendTimeRemaining(cps->other,
7396 cps->other->twoMachinesColor[0] == 'w');
7398 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7399 if (firstMove && !bookHit) {
7401 if (cps->other->useColors) {
7402 SendToProgram(cps->other->twoMachinesColor, cps->other);
7404 SendToProgram("go\n", cps->other);
7406 cps->other->maybeThinking = TRUE;
7409 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7411 if (!pausing && appData.ringBellAfterMoves) {
7416 * Reenable menu items that were disabled while
7417 * machine was thinking
7419 if (gameMode != TwoMachinesPlay)
7420 SetUserThinkingEnables();
7422 // [HGM] book: after book hit opponent has received move and is now in force mode
7423 // force the book reply into it, and then fake that it outputted this move by jumping
7424 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7426 static char bookMove[MSG_SIZ]; // a bit generous?
7428 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7429 strcat(bookMove, bookHit);
7432 programStats.nodes = programStats.depth = programStats.time =
7433 programStats.score = programStats.got_only_move = 0;
7434 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7436 if(cps->lastPing != cps->lastPong) {
7437 savedMessage = message; // args for deferred call
7439 ScheduleDelayedEvent(DeferredBookMove, 10);
7448 /* Set special modes for chess engines. Later something general
7449 * could be added here; for now there is just one kludge feature,
7450 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7451 * when "xboard" is given as an interactive command.
7453 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7454 cps->useSigint = FALSE;
7455 cps->useSigterm = FALSE;
7457 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7458 ParseFeatures(message+8, cps);
7459 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7462 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7463 * want this, I was asked to put it in, and obliged.
7465 if (!strncmp(message, "setboard ", 9)) {
7466 Board initial_position;
7468 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7470 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7471 DisplayError(_("Bad FEN received from engine"), 0);
7475 CopyBoard(boards[0], initial_position);
7476 initialRulePlies = FENrulePlies;
7477 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7478 else gameMode = MachinePlaysBlack;
7479 DrawPosition(FALSE, boards[currentMove]);
7485 * Look for communication commands
7487 if (!strncmp(message, "telluser ", 9)) {
7488 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7489 DisplayNote(message + 9);
7492 if (!strncmp(message, "tellusererror ", 14)) {
7494 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7495 DisplayError(message + 14, 0);
7498 if (!strncmp(message, "tellopponent ", 13)) {
7499 if (appData.icsActive) {
7501 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7505 DisplayNote(message + 13);
7509 if (!strncmp(message, "tellothers ", 11)) {
7510 if (appData.icsActive) {
7512 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7518 if (!strncmp(message, "tellall ", 8)) {
7519 if (appData.icsActive) {
7521 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7525 DisplayNote(message + 8);
7529 if (strncmp(message, "warning", 7) == 0) {
7530 /* Undocumented feature, use tellusererror in new code */
7531 DisplayError(message, 0);
7534 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7535 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7536 strcat(realname, " query");
7537 AskQuestion(realname, buf2, buf1, cps->pr);
7540 /* Commands from the engine directly to ICS. We don't allow these to be
7541 * sent until we are logged on. Crafty kibitzes have been known to
7542 * interfere with the login process.
7545 if (!strncmp(message, "tellics ", 8)) {
7546 SendToICS(message + 8);
7550 if (!strncmp(message, "tellicsnoalias ", 15)) {
7551 SendToICS(ics_prefix);
7552 SendToICS(message + 15);
7556 /* The following are for backward compatibility only */
7557 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7558 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7559 SendToICS(ics_prefix);
7565 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7569 * If the move is illegal, cancel it and redraw the board.
7570 * Also deal with other error cases. Matching is rather loose
7571 * here to accommodate engines written before the spec.
7573 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7574 strncmp(message, "Error", 5) == 0) {
7575 if (StrStr(message, "name") ||
7576 StrStr(message, "rating") || StrStr(message, "?") ||
7577 StrStr(message, "result") || StrStr(message, "board") ||
7578 StrStr(message, "bk") || StrStr(message, "computer") ||
7579 StrStr(message, "variant") || StrStr(message, "hint") ||
7580 StrStr(message, "random") || StrStr(message, "depth") ||
7581 StrStr(message, "accepted")) {
7584 if (StrStr(message, "protover")) {
7585 /* Program is responding to input, so it's apparently done
7586 initializing, and this error message indicates it is
7587 protocol version 1. So we don't need to wait any longer
7588 for it to initialize and send feature commands. */
7589 FeatureDone(cps, 1);
7590 cps->protocolVersion = 1;
7593 cps->maybeThinking = FALSE;
7595 if (StrStr(message, "draw")) {
7596 /* Program doesn't have "draw" command */
7597 cps->sendDrawOffers = 0;
7600 if (cps->sendTime != 1 &&
7601 (StrStr(message, "time") || StrStr(message, "otim"))) {
7602 /* Program apparently doesn't have "time" or "otim" command */
7606 if (StrStr(message, "analyze")) {
7607 cps->analysisSupport = FALSE;
7608 cps->analyzing = FALSE;
7610 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7611 DisplayError(buf2, 0);
7614 if (StrStr(message, "(no matching move)st")) {
7615 /* Special kludge for GNU Chess 4 only */
7616 cps->stKludge = TRUE;
7617 SendTimeControl(cps, movesPerSession, timeControl,
7618 timeIncrement, appData.searchDepth,
7622 if (StrStr(message, "(no matching move)sd")) {
7623 /* Special kludge for GNU Chess 4 only */
7624 cps->sdKludge = TRUE;
7625 SendTimeControl(cps, movesPerSession, timeControl,
7626 timeIncrement, appData.searchDepth,
7630 if (!StrStr(message, "llegal")) {
7633 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7634 gameMode == IcsIdle) return;
7635 if (forwardMostMove <= backwardMostMove) return;
7636 if (pausing) PauseEvent();
7637 if(appData.forceIllegal) {
7638 // [HGM] illegal: machine refused move; force position after move into it
7639 SendToProgram("force\n", cps);
7640 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7641 // we have a real problem now, as SendBoard will use the a2a3 kludge
7642 // when black is to move, while there might be nothing on a2 or black
7643 // might already have the move. So send the board as if white has the move.
7644 // But first we must change the stm of the engine, as it refused the last move
7645 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7646 if(WhiteOnMove(forwardMostMove)) {
7647 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7648 SendBoard(cps, forwardMostMove); // kludgeless board
7650 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7651 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7652 SendBoard(cps, forwardMostMove+1); // kludgeless board
7654 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7655 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7656 gameMode == TwoMachinesPlay)
7657 SendToProgram("go\n", cps);
7660 if (gameMode == PlayFromGameFile) {
7661 /* Stop reading this game file */
7662 gameMode = EditGame;
7665 currentMove = forwardMostMove-1;
7666 DisplayMove(currentMove-1); /* before DisplayMoveError */
7667 SwitchClocks(forwardMostMove-1); // [HGM] race
7668 DisplayBothClocks();
7669 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7670 parseList[currentMove], cps->which);
7671 DisplayMoveError(buf1);
7672 DrawPosition(FALSE, boards[currentMove]);
7674 /* [HGM] illegal-move claim should forfeit game when Xboard */
7675 /* only passes fully legal moves */
7676 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7677 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7678 "False illegal-move claim", GE_XBOARD );
7682 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7683 /* Program has a broken "time" command that
7684 outputs a string not ending in newline.
7690 * If chess program startup fails, exit with an error message.
7691 * Attempts to recover here are futile.
7693 if ((StrStr(message, "unknown host") != NULL)
7694 || (StrStr(message, "No remote directory") != NULL)
7695 || (StrStr(message, "not found") != NULL)
7696 || (StrStr(message, "No such file") != NULL)
7697 || (StrStr(message, "can't alloc") != NULL)
7698 || (StrStr(message, "Permission denied") != NULL)) {
7700 cps->maybeThinking = FALSE;
7701 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7702 cps->which, cps->program, cps->host, message);
7703 RemoveInputSource(cps->isr);
7704 DisplayFatalError(buf1, 0, 1);
7709 * Look for hint output
7711 if (sscanf(message, "Hint: %s", buf1) == 1) {
7712 if (cps == &first && hintRequested) {
7713 hintRequested = FALSE;
7714 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7715 &fromX, &fromY, &toX, &toY, &promoChar)) {
7716 (void) CoordsToAlgebraic(boards[forwardMostMove],
7717 PosFlags(forwardMostMove),
7718 fromY, fromX, toY, toX, promoChar, buf1);
7719 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7720 DisplayInformation(buf2);
7722 /* Hint move could not be parsed!? */
7723 snprintf(buf2, sizeof(buf2),
7724 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7726 DisplayError(buf2, 0);
7729 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7735 * Ignore other messages if game is not in progress
7737 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7738 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7741 * look for win, lose, draw, or draw offer
7743 if (strncmp(message, "1-0", 3) == 0) {
7744 char *p, *q, *r = "";
7745 p = strchr(message, '{');
7753 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7755 } else if (strncmp(message, "0-1", 3) == 0) {
7756 char *p, *q, *r = "";
7757 p = strchr(message, '{');
7765 /* Kludge for Arasan 4.1 bug */
7766 if (strcmp(r, "Black resigns") == 0) {
7767 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7770 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7772 } else if (strncmp(message, "1/2", 3) == 0) {
7773 char *p, *q, *r = "";
7774 p = strchr(message, '{');
7783 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7786 } else if (strncmp(message, "White resign", 12) == 0) {
7787 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7789 } else if (strncmp(message, "Black resign", 12) == 0) {
7790 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7792 } else if (strncmp(message, "White matches", 13) == 0 ||
7793 strncmp(message, "Black matches", 13) == 0 ) {
7794 /* [HGM] ignore GNUShogi noises */
7796 } else if (strncmp(message, "White", 5) == 0 &&
7797 message[5] != '(' &&
7798 StrStr(message, "Black") == NULL) {
7799 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7801 } else if (strncmp(message, "Black", 5) == 0 &&
7802 message[5] != '(') {
7803 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7805 } else if (strcmp(message, "resign") == 0 ||
7806 strcmp(message, "computer resigns") == 0) {
7808 case MachinePlaysBlack:
7809 case IcsPlayingBlack:
7810 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7812 case MachinePlaysWhite:
7813 case IcsPlayingWhite:
7814 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7816 case TwoMachinesPlay:
7817 if (cps->twoMachinesColor[0] == 'w')
7818 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7820 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7827 } else if (strncmp(message, "opponent mates", 14) == 0) {
7829 case MachinePlaysBlack:
7830 case IcsPlayingBlack:
7831 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7833 case MachinePlaysWhite:
7834 case IcsPlayingWhite:
7835 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7837 case TwoMachinesPlay:
7838 if (cps->twoMachinesColor[0] == 'w')
7839 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7841 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7848 } else if (strncmp(message, "computer mates", 14) == 0) {
7850 case MachinePlaysBlack:
7851 case IcsPlayingBlack:
7852 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7854 case MachinePlaysWhite:
7855 case IcsPlayingWhite:
7856 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7858 case TwoMachinesPlay:
7859 if (cps->twoMachinesColor[0] == 'w')
7860 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7862 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7869 } else if (strncmp(message, "checkmate", 9) == 0) {
7870 if (WhiteOnMove(forwardMostMove)) {
7871 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7873 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7876 } else if (strstr(message, "Draw") != NULL ||
7877 strstr(message, "game is a draw") != NULL) {
7878 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7880 } else if (strstr(message, "offer") != NULL &&
7881 strstr(message, "draw") != NULL) {
7883 if (appData.zippyPlay && first.initDone) {
7884 /* Relay offer to ICS */
7885 SendToICS(ics_prefix);
7886 SendToICS("draw\n");
7889 cps->offeredDraw = 2; /* valid until this engine moves twice */
7890 if (gameMode == TwoMachinesPlay) {
7891 if (cps->other->offeredDraw) {
7892 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7893 /* [HGM] in two-machine mode we delay relaying draw offer */
7894 /* until after we also have move, to see if it is really claim */
7896 } else if (gameMode == MachinePlaysWhite ||
7897 gameMode == MachinePlaysBlack) {
7898 if (userOfferedDraw) {
7899 DisplayInformation(_("Machine accepts your draw offer"));
7900 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7902 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7909 * Look for thinking output
7911 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7912 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7914 int plylev, mvleft, mvtot, curscore, time;
7915 char mvname[MOVE_LEN];
7919 int prefixHint = FALSE;
7920 mvname[0] = NULLCHAR;
7923 case MachinePlaysBlack:
7924 case IcsPlayingBlack:
7925 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7927 case MachinePlaysWhite:
7928 case IcsPlayingWhite:
7929 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7934 case IcsObserving: /* [DM] icsEngineAnalyze */
7935 if (!appData.icsEngineAnalyze) ignore = TRUE;
7937 case TwoMachinesPlay:
7938 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7948 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7950 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7951 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7953 if (plyext != ' ' && plyext != '\t') {
7957 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7958 if( cps->scoreIsAbsolute &&
7959 ( gameMode == MachinePlaysBlack ||
7960 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7961 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7962 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7963 !WhiteOnMove(currentMove)
7966 curscore = -curscore;
7970 tempStats.depth = plylev;
7971 tempStats.nodes = nodes;
7972 tempStats.time = time;
7973 tempStats.score = curscore;
7974 tempStats.got_only_move = 0;
7976 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7979 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7980 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7981 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7982 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7983 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7984 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7985 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7986 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7989 /* Buffer overflow protection */
7990 if (buf1[0] != NULLCHAR) {
7991 if (strlen(buf1) >= sizeof(tempStats.movelist)
7992 && appData.debugMode) {
7994 "PV is too long; using the first %u bytes.\n",
7995 (unsigned) sizeof(tempStats.movelist) - 1);
7998 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8000 sprintf(tempStats.movelist, " no PV\n");
8003 if (tempStats.seen_stat) {
8004 tempStats.ok_to_send = 1;
8007 if (strchr(tempStats.movelist, '(') != NULL) {
8008 tempStats.line_is_book = 1;
8009 tempStats.nr_moves = 0;
8010 tempStats.moves_left = 0;
8012 tempStats.line_is_book = 0;
8015 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8016 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8018 SendProgramStatsToFrontend( cps, &tempStats );
8021 [AS] Protect the thinkOutput buffer from overflow... this
8022 is only useful if buf1 hasn't overflowed first!
8024 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8026 (gameMode == TwoMachinesPlay ?
8027 ToUpper(cps->twoMachinesColor[0]) : ' '),
8028 ((double) curscore) / 100.0,
8029 prefixHint ? lastHint : "",
8030 prefixHint ? " " : "" );
8032 if( buf1[0] != NULLCHAR ) {
8033 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8035 if( strlen(buf1) > max_len ) {
8036 if( appData.debugMode) {
8037 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8039 buf1[max_len+1] = '\0';
8042 strcat( thinkOutput, buf1 );
8045 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8046 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8047 DisplayMove(currentMove - 1);
8051 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8052 /* crafty (9.25+) says "(only move) <move>"
8053 * if there is only 1 legal move
8055 sscanf(p, "(only move) %s", buf1);
8056 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8057 sprintf(programStats.movelist, "%s (only move)", buf1);
8058 programStats.depth = 1;
8059 programStats.nr_moves = 1;
8060 programStats.moves_left = 1;
8061 programStats.nodes = 1;
8062 programStats.time = 1;
8063 programStats.got_only_move = 1;
8065 /* Not really, but we also use this member to
8066 mean "line isn't going to change" (Crafty
8067 isn't searching, so stats won't change) */
8068 programStats.line_is_book = 1;
8070 SendProgramStatsToFrontend( cps, &programStats );
8072 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8073 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8074 DisplayMove(currentMove - 1);
8077 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8078 &time, &nodes, &plylev, &mvleft,
8079 &mvtot, mvname) >= 5) {
8080 /* The stat01: line is from Crafty (9.29+) in response
8081 to the "." command */
8082 programStats.seen_stat = 1;
8083 cps->maybeThinking = TRUE;
8085 if (programStats.got_only_move || !appData.periodicUpdates)
8088 programStats.depth = plylev;
8089 programStats.time = time;
8090 programStats.nodes = nodes;
8091 programStats.moves_left = mvleft;
8092 programStats.nr_moves = mvtot;
8093 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8094 programStats.ok_to_send = 1;
8095 programStats.movelist[0] = '\0';
8097 SendProgramStatsToFrontend( cps, &programStats );
8101 } else if (strncmp(message,"++",2) == 0) {
8102 /* Crafty 9.29+ outputs this */
8103 programStats.got_fail = 2;
8106 } else if (strncmp(message,"--",2) == 0) {
8107 /* Crafty 9.29+ outputs this */
8108 programStats.got_fail = 1;
8111 } else if (thinkOutput[0] != NULLCHAR &&
8112 strncmp(message, " ", 4) == 0) {
8113 unsigned message_len;
8116 while (*p && *p == ' ') p++;
8118 message_len = strlen( p );
8120 /* [AS] Avoid buffer overflow */
8121 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8122 strcat(thinkOutput, " ");
8123 strcat(thinkOutput, p);
8126 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8127 strcat(programStats.movelist, " ");
8128 strcat(programStats.movelist, p);
8131 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8132 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8133 DisplayMove(currentMove - 1);
8141 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8142 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8144 ChessProgramStats cpstats;
8146 if (plyext != ' ' && plyext != '\t') {
8150 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8151 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8152 curscore = -curscore;
8155 cpstats.depth = plylev;
8156 cpstats.nodes = nodes;
8157 cpstats.time = time;
8158 cpstats.score = curscore;
8159 cpstats.got_only_move = 0;
8160 cpstats.movelist[0] = '\0';
8162 if (buf1[0] != NULLCHAR) {
8163 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8166 cpstats.ok_to_send = 0;
8167 cpstats.line_is_book = 0;
8168 cpstats.nr_moves = 0;
8169 cpstats.moves_left = 0;
8171 SendProgramStatsToFrontend( cps, &cpstats );
8178 /* Parse a game score from the character string "game", and
8179 record it as the history of the current game. The game
8180 score is NOT assumed to start from the standard position.
8181 The display is not updated in any way.
8184 ParseGameHistory(game)
8188 int fromX, fromY, toX, toY, boardIndex;
8193 if (appData.debugMode)
8194 fprintf(debugFP, "Parsing game history: %s\n", game);
8196 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8197 gameInfo.site = StrSave(appData.icsHost);
8198 gameInfo.date = PGNDate();
8199 gameInfo.round = StrSave("-");
8201 /* Parse out names of players */
8202 while (*game == ' ') game++;
8204 while (*game != ' ') *p++ = *game++;
8206 gameInfo.white = StrSave(buf);
8207 while (*game == ' ') game++;
8209 while (*game != ' ' && *game != '\n') *p++ = *game++;
8211 gameInfo.black = StrSave(buf);
8214 boardIndex = blackPlaysFirst ? 1 : 0;
8217 yyboardindex = boardIndex;
8218 moveType = (ChessMove) yylex();
8220 case IllegalMove: /* maybe suicide chess, etc. */
8221 if (appData.debugMode) {
8222 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8223 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8224 setbuf(debugFP, NULL);
8226 case WhitePromotion:
8227 case BlackPromotion:
8228 case WhiteNonPromotion:
8229 case BlackNonPromotion:
8231 case WhiteCapturesEnPassant:
8232 case BlackCapturesEnPassant:
8233 case WhiteKingSideCastle:
8234 case WhiteQueenSideCastle:
8235 case BlackKingSideCastle:
8236 case BlackQueenSideCastle:
8237 case WhiteKingSideCastleWild:
8238 case WhiteQueenSideCastleWild:
8239 case BlackKingSideCastleWild:
8240 case BlackQueenSideCastleWild:
8242 case WhiteHSideCastleFR:
8243 case WhiteASideCastleFR:
8244 case BlackHSideCastleFR:
8245 case BlackASideCastleFR:
8247 fromX = currentMoveString[0] - AAA;
8248 fromY = currentMoveString[1] - ONE;
8249 toX = currentMoveString[2] - AAA;
8250 toY = currentMoveString[3] - ONE;
8251 promoChar = currentMoveString[4];
8255 fromX = moveType == WhiteDrop ?
8256 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8257 (int) CharToPiece(ToLower(currentMoveString[0]));
8259 toX = currentMoveString[2] - AAA;
8260 toY = currentMoveString[3] - ONE;
8261 promoChar = NULLCHAR;
8265 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8266 if (appData.debugMode) {
8267 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8268 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8269 setbuf(debugFP, NULL);
8271 DisplayError(buf, 0);
8273 case ImpossibleMove:
8275 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8276 if (appData.debugMode) {
8277 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8278 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8279 setbuf(debugFP, NULL);
8281 DisplayError(buf, 0);
8284 if (boardIndex < backwardMostMove) {
8285 /* Oops, gap. How did that happen? */
8286 DisplayError(_("Gap in move list"), 0);
8289 backwardMostMove = blackPlaysFirst ? 1 : 0;
8290 if (boardIndex > forwardMostMove) {
8291 forwardMostMove = boardIndex;
8295 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8296 strcat(parseList[boardIndex-1], " ");
8297 strcat(parseList[boardIndex-1], yy_text);
8309 case GameUnfinished:
8310 if (gameMode == IcsExamining) {
8311 if (boardIndex < backwardMostMove) {
8312 /* Oops, gap. How did that happen? */
8315 backwardMostMove = blackPlaysFirst ? 1 : 0;
8318 gameInfo.result = moveType;
8319 p = strchr(yy_text, '{');
8320 if (p == NULL) p = strchr(yy_text, '(');
8323 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8325 q = strchr(p, *p == '{' ? '}' : ')');
8326 if (q != NULL) *q = NULLCHAR;
8329 gameInfo.resultDetails = StrSave(p);
8332 if (boardIndex >= forwardMostMove &&
8333 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8334 backwardMostMove = blackPlaysFirst ? 1 : 0;
8337 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8338 fromY, fromX, toY, toX, promoChar,
8339 parseList[boardIndex]);
8340 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8341 /* currentMoveString is set as a side-effect of yylex */
8342 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8343 strcat(moveList[boardIndex], "\n");
8345 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8346 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8352 if(gameInfo.variant != VariantShogi)
8353 strcat(parseList[boardIndex - 1], "+");
8357 strcat(parseList[boardIndex - 1], "#");
8364 /* Apply a move to the given board */
8366 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8367 int fromX, fromY, toX, toY;
8371 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8372 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8374 /* [HGM] compute & store e.p. status and castling rights for new position */
8375 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8377 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8378 oldEP = (signed char)board[EP_STATUS];
8379 board[EP_STATUS] = EP_NONE;
8381 if( board[toY][toX] != EmptySquare )
8382 board[EP_STATUS] = EP_CAPTURE;
8384 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8385 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8386 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8388 if (fromY == DROP_RANK) {
8390 piece = board[toY][toX] = (ChessSquare) fromX;
8394 if( board[fromY][fromX] == WhitePawn ) {
8395 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8396 board[EP_STATUS] = EP_PAWN_MOVE;
8398 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8399 gameInfo.variant != VariantBerolina || toX < fromX)
8400 board[EP_STATUS] = toX | berolina;
8401 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8402 gameInfo.variant != VariantBerolina || toX > fromX)
8403 board[EP_STATUS] = toX;
8406 if( board[fromY][fromX] == BlackPawn ) {
8407 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8408 board[EP_STATUS] = EP_PAWN_MOVE;
8409 if( toY-fromY== -2) {
8410 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8411 gameInfo.variant != VariantBerolina || toX < fromX)
8412 board[EP_STATUS] = toX | berolina;
8413 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8414 gameInfo.variant != VariantBerolina || toX > fromX)
8415 board[EP_STATUS] = toX;
8419 for(i=0; i<nrCastlingRights; i++) {
8420 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8421 board[CASTLING][i] == toX && castlingRank[i] == toY
8422 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8425 if (fromX == toX && fromY == toY) return;
8427 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8428 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8429 if(gameInfo.variant == VariantKnightmate)
8430 king += (int) WhiteUnicorn - (int) WhiteKing;
8432 /* Code added by Tord: */
8433 /* FRC castling assumed when king captures friendly rook. */
8434 if (board[fromY][fromX] == WhiteKing &&
8435 board[toY][toX] == WhiteRook) {
8436 board[fromY][fromX] = EmptySquare;
8437 board[toY][toX] = EmptySquare;
8439 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8441 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8443 } else if (board[fromY][fromX] == BlackKing &&
8444 board[toY][toX] == BlackRook) {
8445 board[fromY][fromX] = EmptySquare;
8446 board[toY][toX] = EmptySquare;
8448 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8450 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8452 /* End of code added by Tord */
8454 } else if (board[fromY][fromX] == king
8455 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8456 && toY == fromY && toX > fromX+1) {
8457 board[fromY][fromX] = EmptySquare;
8458 board[toY][toX] = king;
8459 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8460 board[fromY][BOARD_RGHT-1] = EmptySquare;
8461 } else if (board[fromY][fromX] == king
8462 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8463 && toY == fromY && toX < fromX-1) {
8464 board[fromY][fromX] = EmptySquare;
8465 board[toY][toX] = king;
8466 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8467 board[fromY][BOARD_LEFT] = EmptySquare;
8468 } else if (board[fromY][fromX] == WhitePawn
8469 && toY >= BOARD_HEIGHT-promoRank
8470 && gameInfo.variant != VariantXiangqi
8472 /* white pawn promotion */
8473 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8474 if (board[toY][toX] == EmptySquare) {
8475 board[toY][toX] = WhiteQueen;
8477 if(gameInfo.variant==VariantBughouse ||
8478 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8479 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8480 board[fromY][fromX] = EmptySquare;
8481 } else if ((fromY == BOARD_HEIGHT-4)
8483 && gameInfo.variant != VariantXiangqi
8484 && gameInfo.variant != VariantBerolina
8485 && (board[fromY][fromX] == WhitePawn)
8486 && (board[toY][toX] == EmptySquare)) {
8487 board[fromY][fromX] = EmptySquare;
8488 board[toY][toX] = WhitePawn;
8489 captured = board[toY - 1][toX];
8490 board[toY - 1][toX] = EmptySquare;
8491 } else if ((fromY == BOARD_HEIGHT-4)
8493 && gameInfo.variant == VariantBerolina
8494 && (board[fromY][fromX] == WhitePawn)
8495 && (board[toY][toX] == EmptySquare)) {
8496 board[fromY][fromX] = EmptySquare;
8497 board[toY][toX] = WhitePawn;
8498 if(oldEP & EP_BEROLIN_A) {
8499 captured = board[fromY][fromX-1];
8500 board[fromY][fromX-1] = EmptySquare;
8501 }else{ captured = board[fromY][fromX+1];
8502 board[fromY][fromX+1] = EmptySquare;
8504 } else if (board[fromY][fromX] == king
8505 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8506 && toY == fromY && toX > fromX+1) {
8507 board[fromY][fromX] = EmptySquare;
8508 board[toY][toX] = king;
8509 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8510 board[fromY][BOARD_RGHT-1] = EmptySquare;
8511 } else if (board[fromY][fromX] == king
8512 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8513 && toY == fromY && toX < fromX-1) {
8514 board[fromY][fromX] = EmptySquare;
8515 board[toY][toX] = king;
8516 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8517 board[fromY][BOARD_LEFT] = EmptySquare;
8518 } else if (fromY == 7 && fromX == 3
8519 && board[fromY][fromX] == BlackKing
8520 && toY == 7 && toX == 5) {
8521 board[fromY][fromX] = EmptySquare;
8522 board[toY][toX] = BlackKing;
8523 board[fromY][7] = EmptySquare;
8524 board[toY][4] = BlackRook;
8525 } else if (fromY == 7 && fromX == 3
8526 && board[fromY][fromX] == BlackKing
8527 && toY == 7 && toX == 1) {
8528 board[fromY][fromX] = EmptySquare;
8529 board[toY][toX] = BlackKing;
8530 board[fromY][0] = EmptySquare;
8531 board[toY][2] = BlackRook;
8532 } else if (board[fromY][fromX] == BlackPawn
8534 && gameInfo.variant != VariantXiangqi
8536 /* black pawn promotion */
8537 board[toY][toX] = CharToPiece(ToLower(promoChar));
8538 if (board[toY][toX] == EmptySquare) {
8539 board[toY][toX] = BlackQueen;
8541 if(gameInfo.variant==VariantBughouse ||
8542 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8543 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8544 board[fromY][fromX] = EmptySquare;
8545 } else if ((fromY == 3)
8547 && gameInfo.variant != VariantXiangqi
8548 && gameInfo.variant != VariantBerolina
8549 && (board[fromY][fromX] == BlackPawn)
8550 && (board[toY][toX] == EmptySquare)) {
8551 board[fromY][fromX] = EmptySquare;
8552 board[toY][toX] = BlackPawn;
8553 captured = board[toY + 1][toX];
8554 board[toY + 1][toX] = EmptySquare;
8555 } else if ((fromY == 3)
8557 && gameInfo.variant == VariantBerolina
8558 && (board[fromY][fromX] == BlackPawn)
8559 && (board[toY][toX] == EmptySquare)) {
8560 board[fromY][fromX] = EmptySquare;
8561 board[toY][toX] = BlackPawn;
8562 if(oldEP & EP_BEROLIN_A) {
8563 captured = board[fromY][fromX-1];
8564 board[fromY][fromX-1] = EmptySquare;
8565 }else{ captured = board[fromY][fromX+1];
8566 board[fromY][fromX+1] = EmptySquare;
8569 board[toY][toX] = board[fromY][fromX];
8570 board[fromY][fromX] = EmptySquare;
8574 if (gameInfo.holdingsWidth != 0) {
8576 /* !!A lot more code needs to be written to support holdings */
8577 /* [HGM] OK, so I have written it. Holdings are stored in the */
8578 /* penultimate board files, so they are automaticlly stored */
8579 /* in the game history. */
8580 if (fromY == DROP_RANK) {
8581 /* Delete from holdings, by decreasing count */
8582 /* and erasing image if necessary */
8584 if(p < (int) BlackPawn) { /* white drop */
8585 p -= (int)WhitePawn;
8586 p = PieceToNumber((ChessSquare)p);
8587 if(p >= gameInfo.holdingsSize) p = 0;
8588 if(--board[p][BOARD_WIDTH-2] <= 0)
8589 board[p][BOARD_WIDTH-1] = EmptySquare;
8590 if((int)board[p][BOARD_WIDTH-2] < 0)
8591 board[p][BOARD_WIDTH-2] = 0;
8592 } else { /* black drop */
8593 p -= (int)BlackPawn;
8594 p = PieceToNumber((ChessSquare)p);
8595 if(p >= gameInfo.holdingsSize) p = 0;
8596 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8597 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8598 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8599 board[BOARD_HEIGHT-1-p][1] = 0;
8602 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8603 && gameInfo.variant != VariantBughouse ) {
8604 /* [HGM] holdings: Add to holdings, if holdings exist */
8605 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8606 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8607 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8610 if (p >= (int) BlackPawn) {
8611 p -= (int)BlackPawn;
8612 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8613 /* in Shogi restore piece to its original first */
8614 captured = (ChessSquare) (DEMOTED captured);
8617 p = PieceToNumber((ChessSquare)p);
8618 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8619 board[p][BOARD_WIDTH-2]++;
8620 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8622 p -= (int)WhitePawn;
8623 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8624 captured = (ChessSquare) (DEMOTED captured);
8627 p = PieceToNumber((ChessSquare)p);
8628 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8629 board[BOARD_HEIGHT-1-p][1]++;
8630 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8633 } else if (gameInfo.variant == VariantAtomic) {
8634 if (captured != EmptySquare) {
8636 for (y = toY-1; y <= toY+1; y++) {
8637 for (x = toX-1; x <= toX+1; x++) {
8638 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8639 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8640 board[y][x] = EmptySquare;
8644 board[toY][toX] = EmptySquare;
8647 if(promoChar == '+') {
8648 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8649 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8650 } else if(!appData.testLegality) { // without legality testing, unconditionally believe promoChar
8651 board[toY][toX] = CharToPiece(promoChar);
8653 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8654 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8655 // [HGM] superchess: take promotion piece out of holdings
8656 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8657 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8658 if(!--board[k][BOARD_WIDTH-2])
8659 board[k][BOARD_WIDTH-1] = EmptySquare;
8661 if(!--board[BOARD_HEIGHT-1-k][1])
8662 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8668 /* Updates forwardMostMove */
8670 MakeMove(fromX, fromY, toX, toY, promoChar)
8671 int fromX, fromY, toX, toY;
8674 // forwardMostMove++; // [HGM] bare: moved downstream
8676 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8677 int timeLeft; static int lastLoadFlag=0; int king, piece;
8678 piece = boards[forwardMostMove][fromY][fromX];
8679 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8680 if(gameInfo.variant == VariantKnightmate)
8681 king += (int) WhiteUnicorn - (int) WhiteKing;
8682 if(forwardMostMove == 0) {
8684 fprintf(serverMoves, "%s;", second.tidy);
8685 fprintf(serverMoves, "%s;", first.tidy);
8686 if(!blackPlaysFirst)
8687 fprintf(serverMoves, "%s;", second.tidy);
8688 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8689 lastLoadFlag = loadFlag;
8691 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8692 // print castling suffix
8693 if( toY == fromY && piece == king ) {
8695 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8697 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8700 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8701 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8702 boards[forwardMostMove][toY][toX] == EmptySquare
8703 && fromX != toX && fromY != toY)
8704 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8706 if(promoChar != NULLCHAR)
8707 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8709 fprintf(serverMoves, "/%d/%d",
8710 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8711 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8712 else timeLeft = blackTimeRemaining/1000;
8713 fprintf(serverMoves, "/%d", timeLeft);
8715 fflush(serverMoves);
8718 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8719 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8723 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8724 if (commentList[forwardMostMove+1] != NULL) {
8725 free(commentList[forwardMostMove+1]);
8726 commentList[forwardMostMove+1] = NULL;
8728 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8729 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8730 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8731 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8732 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8733 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8734 gameInfo.result = GameUnfinished;
8735 if (gameInfo.resultDetails != NULL) {
8736 free(gameInfo.resultDetails);
8737 gameInfo.resultDetails = NULL;
8739 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8740 moveList[forwardMostMove - 1]);
8741 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8742 PosFlags(forwardMostMove - 1),
8743 fromY, fromX, toY, toX, promoChar,
8744 parseList[forwardMostMove - 1]);
8745 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8751 if(gameInfo.variant != VariantShogi)
8752 strcat(parseList[forwardMostMove - 1], "+");
8756 strcat(parseList[forwardMostMove - 1], "#");
8759 if (appData.debugMode) {
8760 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8765 /* Updates currentMove if not pausing */
8767 ShowMove(fromX, fromY, toX, toY)
8769 int instant = (gameMode == PlayFromGameFile) ?
8770 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8771 if(appData.noGUI) return;
8772 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8774 if (forwardMostMove == currentMove + 1) {
8775 AnimateMove(boards[forwardMostMove - 1],
8776 fromX, fromY, toX, toY);
8778 if (appData.highlightLastMove) {
8779 SetHighlights(fromX, fromY, toX, toY);
8782 currentMove = forwardMostMove;
8785 if (instant) return;
8787 DisplayMove(currentMove - 1);
8788 DrawPosition(FALSE, boards[currentMove]);
8789 DisplayBothClocks();
8790 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8793 void SendEgtPath(ChessProgramState *cps)
8794 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8795 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8797 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8800 char c, *q = name+1, *r, *s;
8802 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8803 while(*p && *p != ',') *q++ = *p++;
8805 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8806 strcmp(name, ",nalimov:") == 0 ) {
8807 // take nalimov path from the menu-changeable option first, if it is defined
8808 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8809 SendToProgram(buf,cps); // send egtbpath command for nalimov
8811 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8812 (s = StrStr(appData.egtFormats, name)) != NULL) {
8813 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8814 s = r = StrStr(s, ":") + 1; // beginning of path info
8815 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8816 c = *r; *r = 0; // temporarily null-terminate path info
8817 *--q = 0; // strip of trailig ':' from name
8818 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8820 SendToProgram(buf,cps); // send egtbpath command for this format
8822 if(*p == ',') p++; // read away comma to position for next format name
8827 InitChessProgram(cps, setup)
8828 ChessProgramState *cps;
8829 int setup; /* [HGM] needed to setup FRC opening position */
8831 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8832 if (appData.noChessProgram) return;
8833 hintRequested = FALSE;
8834 bookRequested = FALSE;
8836 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8837 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8838 if(cps->memSize) { /* [HGM] memory */
8839 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8840 SendToProgram(buf, cps);
8842 SendEgtPath(cps); /* [HGM] EGT */
8843 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8844 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8845 SendToProgram(buf, cps);
8848 SendToProgram(cps->initString, cps);
8849 if (gameInfo.variant != VariantNormal &&
8850 gameInfo.variant != VariantLoadable
8851 /* [HGM] also send variant if board size non-standard */
8852 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8854 char *v = VariantName(gameInfo.variant);
8855 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8856 /* [HGM] in protocol 1 we have to assume all variants valid */
8857 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8858 DisplayFatalError(buf, 0, 1);
8862 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8863 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8864 if( gameInfo.variant == VariantXiangqi )
8865 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8866 if( gameInfo.variant == VariantShogi )
8867 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8868 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8869 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8870 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8871 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8872 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8873 if( gameInfo.variant == VariantCourier )
8874 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8875 if( gameInfo.variant == VariantSuper )
8876 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8877 if( gameInfo.variant == VariantGreat )
8878 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8881 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8882 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8883 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8884 if(StrStr(cps->variants, b) == NULL) {
8885 // specific sized variant not known, check if general sizing allowed
8886 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8887 if(StrStr(cps->variants, "boardsize") == NULL) {
8888 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8889 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8890 DisplayFatalError(buf, 0, 1);
8893 /* [HGM] here we really should compare with the maximum supported board size */
8896 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8897 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8898 SendToProgram(buf, cps);
8900 currentlyInitializedVariant = gameInfo.variant;
8902 /* [HGM] send opening position in FRC to first engine */
8904 SendToProgram("force\n", cps);
8906 /* engine is now in force mode! Set flag to wake it up after first move. */
8907 setboardSpoiledMachineBlack = 1;
8911 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8912 SendToProgram(buf, cps);
8914 cps->maybeThinking = FALSE;
8915 cps->offeredDraw = 0;
8916 if (!appData.icsActive) {
8917 SendTimeControl(cps, movesPerSession, timeControl,
8918 timeIncrement, appData.searchDepth,
8921 if (appData.showThinking
8922 // [HGM] thinking: four options require thinking output to be sent
8923 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8925 SendToProgram("post\n", cps);
8927 SendToProgram("hard\n", cps);
8928 if (!appData.ponderNextMove) {
8929 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8930 it without being sure what state we are in first. "hard"
8931 is not a toggle, so that one is OK.
8933 SendToProgram("easy\n", cps);
8936 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8937 SendToProgram(buf, cps);
8939 cps->initDone = TRUE;
8944 StartChessProgram(cps)
8945 ChessProgramState *cps;
8950 if (appData.noChessProgram) return;
8951 cps->initDone = FALSE;
8953 if (strcmp(cps->host, "localhost") == 0) {
8954 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8955 } else if (*appData.remoteShell == NULLCHAR) {
8956 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8958 if (*appData.remoteUser == NULLCHAR) {
8959 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8962 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8963 cps->host, appData.remoteUser, cps->program);
8965 err = StartChildProcess(buf, "", &cps->pr);
8969 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8970 DisplayFatalError(buf, err, 1);
8976 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8977 if (cps->protocolVersion > 1) {
8978 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8979 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8980 cps->comboCnt = 0; // and values of combo boxes
8981 SendToProgram(buf, cps);
8983 SendToProgram("xboard\n", cps);
8989 TwoMachinesEventIfReady P((void))
8991 if (first.lastPing != first.lastPong) {
8992 DisplayMessage("", _("Waiting for first chess program"));
8993 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8996 if (second.lastPing != second.lastPong) {
8997 DisplayMessage("", _("Waiting for second chess program"));
8998 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9006 NextMatchGame P((void))
9008 int index; /* [HGM] autoinc: step load index during match */
9010 if (*appData.loadGameFile != NULLCHAR) {
9011 index = appData.loadGameIndex;
9012 if(index < 0) { // [HGM] autoinc
9013 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9014 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9016 LoadGameFromFile(appData.loadGameFile,
9018 appData.loadGameFile, FALSE);
9019 } else if (*appData.loadPositionFile != NULLCHAR) {
9020 index = appData.loadPositionIndex;
9021 if(index < 0) { // [HGM] autoinc
9022 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9023 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9025 LoadPositionFromFile(appData.loadPositionFile,
9027 appData.loadPositionFile);
9029 TwoMachinesEventIfReady();
9032 void UserAdjudicationEvent( int result )
9034 ChessMove gameResult = GameIsDrawn;
9037 gameResult = WhiteWins;
9039 else if( result < 0 ) {
9040 gameResult = BlackWins;
9043 if( gameMode == TwoMachinesPlay ) {
9044 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9049 // [HGM] save: calculate checksum of game to make games easily identifiable
9050 int StringCheckSum(char *s)
9053 if(s==NULL) return 0;
9054 while(*s) i = i*259 + *s++;
9061 for(i=backwardMostMove; i<forwardMostMove; i++) {
9062 sum += pvInfoList[i].depth;
9063 sum += StringCheckSum(parseList[i]);
9064 sum += StringCheckSum(commentList[i]);
9067 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9068 return sum + StringCheckSum(commentList[i]);
9069 } // end of save patch
9072 GameEnds(result, resultDetails, whosays)
9074 char *resultDetails;
9077 GameMode nextGameMode;
9079 char buf[MSG_SIZ], popupRequested = 0;
9081 if(endingGame) return; /* [HGM] crash: forbid recursion */
9083 if(twoBoards) { // [HGM] dual: switch back to one board
9084 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9085 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9087 if (appData.debugMode) {
9088 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9089 result, resultDetails ? resultDetails : "(null)", whosays);
9092 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9094 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9095 /* If we are playing on ICS, the server decides when the
9096 game is over, but the engine can offer to draw, claim
9100 if (appData.zippyPlay && first.initDone) {
9101 if (result == GameIsDrawn) {
9102 /* In case draw still needs to be claimed */
9103 SendToICS(ics_prefix);
9104 SendToICS("draw\n");
9105 } else if (StrCaseStr(resultDetails, "resign")) {
9106 SendToICS(ics_prefix);
9107 SendToICS("resign\n");
9111 endingGame = 0; /* [HGM] crash */
9115 /* If we're loading the game from a file, stop */
9116 if (whosays == GE_FILE) {
9117 (void) StopLoadGameTimer();
9121 /* Cancel draw offers */
9122 first.offeredDraw = second.offeredDraw = 0;
9124 /* If this is an ICS game, only ICS can really say it's done;
9125 if not, anyone can. */
9126 isIcsGame = (gameMode == IcsPlayingWhite ||
9127 gameMode == IcsPlayingBlack ||
9128 gameMode == IcsObserving ||
9129 gameMode == IcsExamining);
9131 if (!isIcsGame || whosays == GE_ICS) {
9132 /* OK -- not an ICS game, or ICS said it was done */
9134 if (!isIcsGame && !appData.noChessProgram)
9135 SetUserThinkingEnables();
9137 /* [HGM] if a machine claims the game end we verify this claim */
9138 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9139 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9141 ChessMove trueResult = (ChessMove) -1;
9143 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9144 first.twoMachinesColor[0] :
9145 second.twoMachinesColor[0] ;
9147 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9148 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9149 /* [HGM] verify: engine mate claims accepted if they were flagged */
9150 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9152 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9153 /* [HGM] verify: engine mate claims accepted if they were flagged */
9154 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9156 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9157 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9160 // now verify win claims, but not in drop games, as we don't understand those yet
9161 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9162 || gameInfo.variant == VariantGreat) &&
9163 (result == WhiteWins && claimer == 'w' ||
9164 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9165 if (appData.debugMode) {
9166 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9167 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9169 if(result != trueResult) {
9170 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9171 result = claimer == 'w' ? BlackWins : WhiteWins;
9172 resultDetails = buf;
9175 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9176 && (forwardMostMove <= backwardMostMove ||
9177 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9178 (claimer=='b')==(forwardMostMove&1))
9180 /* [HGM] verify: draws that were not flagged are false claims */
9181 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9182 result = claimer == 'w' ? BlackWins : WhiteWins;
9183 resultDetails = buf;
9185 /* (Claiming a loss is accepted no questions asked!) */
9187 /* [HGM] bare: don't allow bare King to win */
9188 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9189 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9190 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9191 && result != GameIsDrawn)
9192 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9193 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9194 int p = (signed char)boards[forwardMostMove][i][j] - color;
9195 if(p >= 0 && p <= (int)WhiteKing) k++;
9197 if (appData.debugMode) {
9198 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9199 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9202 result = GameIsDrawn;
9203 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9204 resultDetails = buf;
9210 if(serverMoves != NULL && !loadFlag) { char c = '=';
9211 if(result==WhiteWins) c = '+';
9212 if(result==BlackWins) c = '-';
9213 if(resultDetails != NULL)
9214 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9216 if (resultDetails != NULL) {
9217 gameInfo.result = result;
9218 gameInfo.resultDetails = StrSave(resultDetails);
9220 /* display last move only if game was not loaded from file */
9221 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9222 DisplayMove(currentMove - 1);
9224 if (forwardMostMove != 0) {
9225 if (gameMode != PlayFromGameFile && gameMode != EditGame
9226 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9228 if (*appData.saveGameFile != NULLCHAR) {
9229 SaveGameToFile(appData.saveGameFile, TRUE);
9230 } else if (appData.autoSaveGames) {
9233 if (*appData.savePositionFile != NULLCHAR) {
9234 SavePositionToFile(appData.savePositionFile);
9239 /* Tell program how game ended in case it is learning */
9240 /* [HGM] Moved this to after saving the PGN, just in case */
9241 /* engine died and we got here through time loss. In that */
9242 /* case we will get a fatal error writing the pipe, which */
9243 /* would otherwise lose us the PGN. */
9244 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9245 /* output during GameEnds should never be fatal anymore */
9246 if (gameMode == MachinePlaysWhite ||
9247 gameMode == MachinePlaysBlack ||
9248 gameMode == TwoMachinesPlay ||
9249 gameMode == IcsPlayingWhite ||
9250 gameMode == IcsPlayingBlack ||
9251 gameMode == BeginningOfGame) {
9253 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9255 if (first.pr != NoProc) {
9256 SendToProgram(buf, &first);
9258 if (second.pr != NoProc &&
9259 gameMode == TwoMachinesPlay) {
9260 SendToProgram(buf, &second);
9265 if (appData.icsActive) {
9266 if (appData.quietPlay &&
9267 (gameMode == IcsPlayingWhite ||
9268 gameMode == IcsPlayingBlack)) {
9269 SendToICS(ics_prefix);
9270 SendToICS("set shout 1\n");
9272 nextGameMode = IcsIdle;
9273 ics_user_moved = FALSE;
9274 /* clean up premove. It's ugly when the game has ended and the
9275 * premove highlights are still on the board.
9279 ClearPremoveHighlights();
9280 DrawPosition(FALSE, boards[currentMove]);
9282 if (whosays == GE_ICS) {
9285 if (gameMode == IcsPlayingWhite)
9287 else if(gameMode == IcsPlayingBlack)
9291 if (gameMode == IcsPlayingBlack)
9293 else if(gameMode == IcsPlayingWhite)
9300 PlayIcsUnfinishedSound();
9303 } else if (gameMode == EditGame ||
9304 gameMode == PlayFromGameFile ||
9305 gameMode == AnalyzeMode ||
9306 gameMode == AnalyzeFile) {
9307 nextGameMode = gameMode;
9309 nextGameMode = EndOfGame;
9314 nextGameMode = gameMode;
9317 if (appData.noChessProgram) {
9318 gameMode = nextGameMode;
9320 endingGame = 0; /* [HGM] crash */
9325 /* Put first chess program into idle state */
9326 if (first.pr != NoProc &&
9327 (gameMode == MachinePlaysWhite ||
9328 gameMode == MachinePlaysBlack ||
9329 gameMode == TwoMachinesPlay ||
9330 gameMode == IcsPlayingWhite ||
9331 gameMode == IcsPlayingBlack ||
9332 gameMode == BeginningOfGame)) {
9333 SendToProgram("force\n", &first);
9334 if (first.usePing) {
9336 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9337 SendToProgram(buf, &first);
9340 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9341 /* Kill off first chess program */
9342 if (first.isr != NULL)
9343 RemoveInputSource(first.isr);
9346 if (first.pr != NoProc) {
9348 DoSleep( appData.delayBeforeQuit );
9349 SendToProgram("quit\n", &first);
9350 DoSleep( appData.delayAfterQuit );
9351 DestroyChildProcess(first.pr, first.useSigterm);
9356 /* Put second chess program into idle state */
9357 if (second.pr != NoProc &&
9358 gameMode == TwoMachinesPlay) {
9359 SendToProgram("force\n", &second);
9360 if (second.usePing) {
9362 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9363 SendToProgram(buf, &second);
9366 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9367 /* Kill off second chess program */
9368 if (second.isr != NULL)
9369 RemoveInputSource(second.isr);
9372 if (second.pr != NoProc) {
9373 DoSleep( appData.delayBeforeQuit );
9374 SendToProgram("quit\n", &second);
9375 DoSleep( appData.delayAfterQuit );
9376 DestroyChildProcess(second.pr, second.useSigterm);
9381 if (matchMode && gameMode == TwoMachinesPlay) {
9384 if (first.twoMachinesColor[0] == 'w') {
9391 if (first.twoMachinesColor[0] == 'b') {
9400 if (matchGame < appData.matchGames) {
9402 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9403 tmp = first.twoMachinesColor;
9404 first.twoMachinesColor = second.twoMachinesColor;
9405 second.twoMachinesColor = tmp;
9407 gameMode = nextGameMode;
9409 if(appData.matchPause>10000 || appData.matchPause<10)
9410 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9411 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9412 endingGame = 0; /* [HGM] crash */
9415 gameMode = nextGameMode;
9416 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9417 first.tidy, second.tidy,
9418 first.matchWins, second.matchWins,
9419 appData.matchGames - (first.matchWins + second.matchWins));
9420 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9423 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9424 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9426 gameMode = nextGameMode;
9428 endingGame = 0; /* [HGM] crash */
9429 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9430 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9431 matchMode = FALSE; appData.matchGames = matchGame = 0;
9437 /* Assumes program was just initialized (initString sent).
9438 Leaves program in force mode. */
9440 FeedMovesToProgram(cps, upto)
9441 ChessProgramState *cps;
9446 if (appData.debugMode)
9447 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9448 startedFromSetupPosition ? "position and " : "",
9449 backwardMostMove, upto, cps->which);
9450 if(currentlyInitializedVariant != gameInfo.variant) {
9452 // [HGM] variantswitch: make engine aware of new variant
9453 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9454 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9455 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9456 SendToProgram(buf, cps);
9457 currentlyInitializedVariant = gameInfo.variant;
9459 SendToProgram("force\n", cps);
9460 if (startedFromSetupPosition) {
9461 SendBoard(cps, backwardMostMove);
9462 if (appData.debugMode) {
9463 fprintf(debugFP, "feedMoves\n");
9466 for (i = backwardMostMove; i < upto; i++) {
9467 SendMoveToProgram(i, cps);
9473 ResurrectChessProgram()
9475 /* The chess program may have exited.
9476 If so, restart it and feed it all the moves made so far. */
9478 if (appData.noChessProgram || first.pr != NoProc) return;
9480 StartChessProgram(&first);
9481 InitChessProgram(&first, FALSE);
9482 FeedMovesToProgram(&first, currentMove);
9484 if (!first.sendTime) {
9485 /* can't tell gnuchess what its clock should read,
9486 so we bow to its notion. */
9488 timeRemaining[0][currentMove] = whiteTimeRemaining;
9489 timeRemaining[1][currentMove] = blackTimeRemaining;
9492 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9493 appData.icsEngineAnalyze) && first.analysisSupport) {
9494 SendToProgram("analyze\n", &first);
9495 first.analyzing = TRUE;
9508 if (appData.debugMode) {
9509 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9510 redraw, init, gameMode);
9512 CleanupTail(); // [HGM] vari: delete any stored variations
9513 pausing = pauseExamInvalid = FALSE;
9514 startedFromSetupPosition = blackPlaysFirst = FALSE;
9516 whiteFlag = blackFlag = FALSE;
9517 userOfferedDraw = FALSE;
9518 hintRequested = bookRequested = FALSE;
9519 first.maybeThinking = FALSE;
9520 second.maybeThinking = FALSE;
9521 first.bookSuspend = FALSE; // [HGM] book
9522 second.bookSuspend = FALSE;
9523 thinkOutput[0] = NULLCHAR;
9524 lastHint[0] = NULLCHAR;
9525 ClearGameInfo(&gameInfo);
9526 gameInfo.variant = StringToVariant(appData.variant);
9527 ics_user_moved = ics_clock_paused = FALSE;
9528 ics_getting_history = H_FALSE;
9530 white_holding[0] = black_holding[0] = NULLCHAR;
9531 ClearProgramStats();
9532 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9536 flipView = appData.flipView;
9537 ClearPremoveHighlights();
9539 alarmSounded = FALSE;
9541 GameEnds(EndOfFile, NULL, GE_PLAYER);
9542 if(appData.serverMovesName != NULL) {
9543 /* [HGM] prepare to make moves file for broadcasting */
9544 clock_t t = clock();
9545 if(serverMoves != NULL) fclose(serverMoves);
9546 serverMoves = fopen(appData.serverMovesName, "r");
9547 if(serverMoves != NULL) {
9548 fclose(serverMoves);
9549 /* delay 15 sec before overwriting, so all clients can see end */
9550 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9552 serverMoves = fopen(appData.serverMovesName, "w");
9556 gameMode = BeginningOfGame;
9558 if(appData.icsActive) gameInfo.variant = VariantNormal;
9559 currentMove = forwardMostMove = backwardMostMove = 0;
9560 InitPosition(redraw);
9561 for (i = 0; i < MAX_MOVES; i++) {
9562 if (commentList[i] != NULL) {
9563 free(commentList[i]);
9564 commentList[i] = NULL;
9568 timeRemaining[0][0] = whiteTimeRemaining;
9569 timeRemaining[1][0] = blackTimeRemaining;
9570 if (first.pr == NULL) {
9571 StartChessProgram(&first);
9574 InitChessProgram(&first, startedFromSetupPosition);
9577 DisplayMessage("", "");
9578 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9579 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9586 if (!AutoPlayOneMove())
9588 if (matchMode || appData.timeDelay == 0)
9590 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9592 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9601 int fromX, fromY, toX, toY;
9603 if (appData.debugMode) {
9604 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9607 if (gameMode != PlayFromGameFile)
9610 if (currentMove >= forwardMostMove) {
9611 gameMode = EditGame;
9614 /* [AS] Clear current move marker at the end of a game */
9615 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9620 toX = moveList[currentMove][2] - AAA;
9621 toY = moveList[currentMove][3] - ONE;
9623 if (moveList[currentMove][1] == '@') {
9624 if (appData.highlightLastMove) {
9625 SetHighlights(-1, -1, toX, toY);
9628 fromX = moveList[currentMove][0] - AAA;
9629 fromY = moveList[currentMove][1] - ONE;
9631 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9633 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9635 if (appData.highlightLastMove) {
9636 SetHighlights(fromX, fromY, toX, toY);
9639 DisplayMove(currentMove);
9640 SendMoveToProgram(currentMove++, &first);
9641 DisplayBothClocks();
9642 DrawPosition(FALSE, boards[currentMove]);
9643 // [HGM] PV info: always display, routine tests if empty
9644 DisplayComment(currentMove - 1, commentList[currentMove]);
9650 LoadGameOneMove(readAhead)
9651 ChessMove readAhead;
9653 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9654 char promoChar = NULLCHAR;
9659 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9660 gameMode != AnalyzeMode && gameMode != Training) {
9665 yyboardindex = forwardMostMove;
9666 if (readAhead != EndOfFile) {
9667 moveType = readAhead;
9669 if (gameFileFP == NULL)
9671 moveType = (ChessMove) yylex();
9677 if (appData.debugMode)
9678 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9681 /* append the comment but don't display it */
9682 AppendComment(currentMove, p, FALSE);
9685 case WhiteCapturesEnPassant:
9686 case BlackCapturesEnPassant:
9687 case WhitePromotion:
9688 case BlackPromotion:
9689 case WhiteNonPromotion:
9690 case BlackNonPromotion:
9692 case WhiteKingSideCastle:
9693 case WhiteQueenSideCastle:
9694 case BlackKingSideCastle:
9695 case BlackQueenSideCastle:
9696 case WhiteKingSideCastleWild:
9697 case WhiteQueenSideCastleWild:
9698 case BlackKingSideCastleWild:
9699 case BlackQueenSideCastleWild:
9701 case WhiteHSideCastleFR:
9702 case WhiteASideCastleFR:
9703 case BlackHSideCastleFR:
9704 case BlackASideCastleFR:
9706 if (appData.debugMode)
9707 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9708 fromX = currentMoveString[0] - AAA;
9709 fromY = currentMoveString[1] - ONE;
9710 toX = currentMoveString[2] - AAA;
9711 toY = currentMoveString[3] - ONE;
9712 promoChar = currentMoveString[4];
9717 if (appData.debugMode)
9718 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9719 fromX = moveType == WhiteDrop ?
9720 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9721 (int) CharToPiece(ToLower(currentMoveString[0]));
9723 toX = currentMoveString[2] - AAA;
9724 toY = currentMoveString[3] - ONE;
9730 case GameUnfinished:
9731 if (appData.debugMode)
9732 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9733 p = strchr(yy_text, '{');
9734 if (p == NULL) p = strchr(yy_text, '(');
9737 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9739 q = strchr(p, *p == '{' ? '}' : ')');
9740 if (q != NULL) *q = NULLCHAR;
9743 GameEnds(moveType, p, GE_FILE);
9745 if (cmailMsgLoaded) {
9747 flipView = WhiteOnMove(currentMove);
9748 if (moveType == GameUnfinished) flipView = !flipView;
9749 if (appData.debugMode)
9750 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9755 if (appData.debugMode)
9756 fprintf(debugFP, "Parser hit end of file\n");
9757 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9763 if (WhiteOnMove(currentMove)) {
9764 GameEnds(BlackWins, "Black mates", GE_FILE);
9766 GameEnds(WhiteWins, "White mates", GE_FILE);
9770 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9777 if (lastLoadGameStart == GNUChessGame) {
9778 /* GNUChessGames have numbers, but they aren't move numbers */
9779 if (appData.debugMode)
9780 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9781 yy_text, (int) moveType);
9782 return LoadGameOneMove(EndOfFile); /* tail recursion */
9784 /* else fall thru */
9789 /* Reached start of next game in file */
9790 if (appData.debugMode)
9791 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9792 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9798 if (WhiteOnMove(currentMove)) {
9799 GameEnds(BlackWins, "Black mates", GE_FILE);
9801 GameEnds(WhiteWins, "White mates", GE_FILE);
9805 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9811 case PositionDiagram: /* should not happen; ignore */
9812 case ElapsedTime: /* ignore */
9813 case NAG: /* ignore */
9814 if (appData.debugMode)
9815 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9816 yy_text, (int) moveType);
9817 return LoadGameOneMove(EndOfFile); /* tail recursion */
9820 if (appData.testLegality) {
9821 if (appData.debugMode)
9822 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9823 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9824 (forwardMostMove / 2) + 1,
9825 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9826 DisplayError(move, 0);
9829 if (appData.debugMode)
9830 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9831 yy_text, currentMoveString);
9832 fromX = currentMoveString[0] - AAA;
9833 fromY = currentMoveString[1] - ONE;
9834 toX = currentMoveString[2] - AAA;
9835 toY = currentMoveString[3] - ONE;
9836 promoChar = currentMoveString[4];
9841 if (appData.debugMode)
9842 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9843 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9844 (forwardMostMove / 2) + 1,
9845 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9846 DisplayError(move, 0);
9851 case ImpossibleMove:
9852 if (appData.debugMode)
9853 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9854 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9855 (forwardMostMove / 2) + 1,
9856 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9857 DisplayError(move, 0);
9863 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9864 DrawPosition(FALSE, boards[currentMove]);
9865 DisplayBothClocks();
9866 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9867 DisplayComment(currentMove - 1, commentList[currentMove]);
9869 (void) StopLoadGameTimer();
9871 cmailOldMove = forwardMostMove;
9874 /* currentMoveString is set as a side-effect of yylex */
9875 strcat(currentMoveString, "\n");
9876 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9878 thinkOutput[0] = NULLCHAR;
9879 MakeMove(fromX, fromY, toX, toY, promoChar);
9880 currentMove = forwardMostMove;
9885 /* Load the nth game from the given file */
9887 LoadGameFromFile(filename, n, title, useList)
9891 /*Boolean*/ int useList;
9896 if (strcmp(filename, "-") == 0) {
9900 f = fopen(filename, "rb");
9902 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9903 DisplayError(buf, errno);
9907 if (fseek(f, 0, 0) == -1) {
9908 /* f is not seekable; probably a pipe */
9911 if (useList && n == 0) {
9912 int error = GameListBuild(f);
9914 DisplayError(_("Cannot build game list"), error);
9915 } else if (!ListEmpty(&gameList) &&
9916 ((ListGame *) gameList.tailPred)->number > 1) {
9917 GameListPopUp(f, title);
9924 return LoadGame(f, n, title, FALSE);
9929 MakeRegisteredMove()
9931 int fromX, fromY, toX, toY;
9933 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9934 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9937 if (appData.debugMode)
9938 fprintf(debugFP, "Restoring %s for game %d\n",
9939 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9941 thinkOutput[0] = NULLCHAR;
9942 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9943 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9944 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9945 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9946 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9947 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9948 MakeMove(fromX, fromY, toX, toY, promoChar);
9949 ShowMove(fromX, fromY, toX, toY);
9951 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9958 if (WhiteOnMove(currentMove)) {
9959 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9961 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9966 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9973 if (WhiteOnMove(currentMove)) {
9974 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9976 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9981 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9992 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9994 CmailLoadGame(f, gameNumber, title, useList)
10002 if (gameNumber > nCmailGames) {
10003 DisplayError(_("No more games in this message"), 0);
10006 if (f == lastLoadGameFP) {
10007 int offset = gameNumber - lastLoadGameNumber;
10009 cmailMsg[0] = NULLCHAR;
10010 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10011 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10012 nCmailMovesRegistered--;
10014 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10015 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10016 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10019 if (! RegisterMove()) return FALSE;
10023 retVal = LoadGame(f, gameNumber, title, useList);
10025 /* Make move registered during previous look at this game, if any */
10026 MakeRegisteredMove();
10028 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10029 commentList[currentMove]
10030 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10031 DisplayComment(currentMove - 1, commentList[currentMove]);
10037 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10042 int gameNumber = lastLoadGameNumber + offset;
10043 if (lastLoadGameFP == NULL) {
10044 DisplayError(_("No game has been loaded yet"), 0);
10047 if (gameNumber <= 0) {
10048 DisplayError(_("Can't back up any further"), 0);
10051 if (cmailMsgLoaded) {
10052 return CmailLoadGame(lastLoadGameFP, gameNumber,
10053 lastLoadGameTitle, lastLoadGameUseList);
10055 return LoadGame(lastLoadGameFP, gameNumber,
10056 lastLoadGameTitle, lastLoadGameUseList);
10062 /* Load the nth game from open file f */
10064 LoadGame(f, gameNumber, title, useList)
10072 int gn = gameNumber;
10073 ListGame *lg = NULL;
10074 int numPGNTags = 0;
10076 GameMode oldGameMode;
10077 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10079 if (appData.debugMode)
10080 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10082 if (gameMode == Training )
10083 SetTrainingModeOff();
10085 oldGameMode = gameMode;
10086 if (gameMode != BeginningOfGame) {
10087 Reset(FALSE, TRUE);
10091 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10092 fclose(lastLoadGameFP);
10096 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10099 fseek(f, lg->offset, 0);
10100 GameListHighlight(gameNumber);
10104 DisplayError(_("Game number out of range"), 0);
10109 if (fseek(f, 0, 0) == -1) {
10110 if (f == lastLoadGameFP ?
10111 gameNumber == lastLoadGameNumber + 1 :
10115 DisplayError(_("Can't seek on game file"), 0);
10120 lastLoadGameFP = f;
10121 lastLoadGameNumber = gameNumber;
10122 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10123 lastLoadGameUseList = useList;
10127 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10128 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10129 lg->gameInfo.black);
10131 } else if (*title != NULLCHAR) {
10132 if (gameNumber > 1) {
10133 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10136 DisplayTitle(title);
10140 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10141 gameMode = PlayFromGameFile;
10145 currentMove = forwardMostMove = backwardMostMove = 0;
10146 CopyBoard(boards[0], initialPosition);
10150 * Skip the first gn-1 games in the file.
10151 * Also skip over anything that precedes an identifiable
10152 * start of game marker, to avoid being confused by
10153 * garbage at the start of the file. Currently
10154 * recognized start of game markers are the move number "1",
10155 * the pattern "gnuchess .* game", the pattern
10156 * "^[#;%] [^ ]* game file", and a PGN tag block.
10157 * A game that starts with one of the latter two patterns
10158 * will also have a move number 1, possibly
10159 * following a position diagram.
10160 * 5-4-02: Let's try being more lenient and allowing a game to
10161 * start with an unnumbered move. Does that break anything?
10163 cm = lastLoadGameStart = EndOfFile;
10165 yyboardindex = forwardMostMove;
10166 cm = (ChessMove) yylex();
10169 if (cmailMsgLoaded) {
10170 nCmailGames = CMAIL_MAX_GAMES - gn;
10173 DisplayError(_("Game not found in file"), 0);
10180 lastLoadGameStart = cm;
10183 case MoveNumberOne:
10184 switch (lastLoadGameStart) {
10189 case MoveNumberOne:
10191 gn--; /* count this game */
10192 lastLoadGameStart = cm;
10201 switch (lastLoadGameStart) {
10204 case MoveNumberOne:
10206 gn--; /* count this game */
10207 lastLoadGameStart = cm;
10210 lastLoadGameStart = cm; /* game counted already */
10218 yyboardindex = forwardMostMove;
10219 cm = (ChessMove) yylex();
10220 } while (cm == PGNTag || cm == Comment);
10227 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10228 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10229 != CMAIL_OLD_RESULT) {
10231 cmailResult[ CMAIL_MAX_GAMES
10232 - gn - 1] = CMAIL_OLD_RESULT;
10238 /* Only a NormalMove can be at the start of a game
10239 * without a position diagram. */
10240 if (lastLoadGameStart == EndOfFile ) {
10242 lastLoadGameStart = MoveNumberOne;
10251 if (appData.debugMode)
10252 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10254 if (cm == XBoardGame) {
10255 /* Skip any header junk before position diagram and/or move 1 */
10257 yyboardindex = forwardMostMove;
10258 cm = (ChessMove) yylex();
10260 if (cm == EndOfFile ||
10261 cm == GNUChessGame || cm == XBoardGame) {
10262 /* Empty game; pretend end-of-file and handle later */
10267 if (cm == MoveNumberOne || cm == PositionDiagram ||
10268 cm == PGNTag || cm == Comment)
10271 } else if (cm == GNUChessGame) {
10272 if (gameInfo.event != NULL) {
10273 free(gameInfo.event);
10275 gameInfo.event = StrSave(yy_text);
10278 startedFromSetupPosition = FALSE;
10279 while (cm == PGNTag) {
10280 if (appData.debugMode)
10281 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10282 err = ParsePGNTag(yy_text, &gameInfo);
10283 if (!err) numPGNTags++;
10285 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10286 if(gameInfo.variant != oldVariant) {
10287 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10288 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10289 InitPosition(TRUE);
10290 oldVariant = gameInfo.variant;
10291 if (appData.debugMode)
10292 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10296 if (gameInfo.fen != NULL) {
10297 Board initial_position;
10298 startedFromSetupPosition = TRUE;
10299 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10301 DisplayError(_("Bad FEN position in file"), 0);
10304 CopyBoard(boards[0], initial_position);
10305 if (blackPlaysFirst) {
10306 currentMove = forwardMostMove = backwardMostMove = 1;
10307 CopyBoard(boards[1], initial_position);
10308 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10309 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10310 timeRemaining[0][1] = whiteTimeRemaining;
10311 timeRemaining[1][1] = blackTimeRemaining;
10312 if (commentList[0] != NULL) {
10313 commentList[1] = commentList[0];
10314 commentList[0] = NULL;
10317 currentMove = forwardMostMove = backwardMostMove = 0;
10319 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10321 initialRulePlies = FENrulePlies;
10322 for( i=0; i< nrCastlingRights; i++ )
10323 initialRights[i] = initial_position[CASTLING][i];
10325 yyboardindex = forwardMostMove;
10326 free(gameInfo.fen);
10327 gameInfo.fen = NULL;
10330 yyboardindex = forwardMostMove;
10331 cm = (ChessMove) yylex();
10333 /* Handle comments interspersed among the tags */
10334 while (cm == Comment) {
10336 if (appData.debugMode)
10337 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10339 AppendComment(currentMove, p, FALSE);
10340 yyboardindex = forwardMostMove;
10341 cm = (ChessMove) yylex();
10345 /* don't rely on existence of Event tag since if game was
10346 * pasted from clipboard the Event tag may not exist
10348 if (numPGNTags > 0){
10350 if (gameInfo.variant == VariantNormal) {
10351 VariantClass v = StringToVariant(gameInfo.event);
10352 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10353 if(v < VariantShogi) gameInfo.variant = v;
10356 if( appData.autoDisplayTags ) {
10357 tags = PGNTags(&gameInfo);
10358 TagsPopUp(tags, CmailMsg());
10363 /* Make something up, but don't display it now */
10368 if (cm == PositionDiagram) {
10371 Board initial_position;
10373 if (appData.debugMode)
10374 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10376 if (!startedFromSetupPosition) {
10378 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10379 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10389 initial_position[i][j++] = CharToPiece(*p);
10392 while (*p == ' ' || *p == '\t' ||
10393 *p == '\n' || *p == '\r') p++;
10395 if (strncmp(p, "black", strlen("black"))==0)
10396 blackPlaysFirst = TRUE;
10398 blackPlaysFirst = FALSE;
10399 startedFromSetupPosition = TRUE;
10401 CopyBoard(boards[0], initial_position);
10402 if (blackPlaysFirst) {
10403 currentMove = forwardMostMove = backwardMostMove = 1;
10404 CopyBoard(boards[1], initial_position);
10405 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10406 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10407 timeRemaining[0][1] = whiteTimeRemaining;
10408 timeRemaining[1][1] = blackTimeRemaining;
10409 if (commentList[0] != NULL) {
10410 commentList[1] = commentList[0];
10411 commentList[0] = NULL;
10414 currentMove = forwardMostMove = backwardMostMove = 0;
10417 yyboardindex = forwardMostMove;
10418 cm = (ChessMove) yylex();
10421 if (first.pr == NoProc) {
10422 StartChessProgram(&first);
10424 InitChessProgram(&first, FALSE);
10425 SendToProgram("force\n", &first);
10426 if (startedFromSetupPosition) {
10427 SendBoard(&first, forwardMostMove);
10428 if (appData.debugMode) {
10429 fprintf(debugFP, "Load Game\n");
10431 DisplayBothClocks();
10434 /* [HGM] server: flag to write setup moves in broadcast file as one */
10435 loadFlag = appData.suppressLoadMoves;
10437 while (cm == Comment) {
10439 if (appData.debugMode)
10440 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10442 AppendComment(currentMove, p, FALSE);
10443 yyboardindex = forwardMostMove;
10444 cm = (ChessMove) yylex();
10447 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10448 cm == WhiteWins || cm == BlackWins ||
10449 cm == GameIsDrawn || cm == GameUnfinished) {
10450 DisplayMessage("", _("No moves in game"));
10451 if (cmailMsgLoaded) {
10452 if (appData.debugMode)
10453 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10457 DrawPosition(FALSE, boards[currentMove]);
10458 DisplayBothClocks();
10459 gameMode = EditGame;
10466 // [HGM] PV info: routine tests if comment empty
10467 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10468 DisplayComment(currentMove - 1, commentList[currentMove]);
10470 if (!matchMode && appData.timeDelay != 0)
10471 DrawPosition(FALSE, boards[currentMove]);
10473 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10474 programStats.ok_to_send = 1;
10477 /* if the first token after the PGN tags is a move
10478 * and not move number 1, retrieve it from the parser
10480 if (cm != MoveNumberOne)
10481 LoadGameOneMove(cm);
10483 /* load the remaining moves from the file */
10484 while (LoadGameOneMove(EndOfFile)) {
10485 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10486 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10489 /* rewind to the start of the game */
10490 currentMove = backwardMostMove;
10492 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10494 if (oldGameMode == AnalyzeFile ||
10495 oldGameMode == AnalyzeMode) {
10496 AnalyzeFileEvent();
10499 if (matchMode || appData.timeDelay == 0) {
10501 gameMode = EditGame;
10503 } else if (appData.timeDelay > 0) {
10504 AutoPlayGameLoop();
10507 if (appData.debugMode)
10508 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10510 loadFlag = 0; /* [HGM] true game starts */
10514 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10516 ReloadPosition(offset)
10519 int positionNumber = lastLoadPositionNumber + offset;
10520 if (lastLoadPositionFP == NULL) {
10521 DisplayError(_("No position has been loaded yet"), 0);
10524 if (positionNumber <= 0) {
10525 DisplayError(_("Can't back up any further"), 0);
10528 return LoadPosition(lastLoadPositionFP, positionNumber,
10529 lastLoadPositionTitle);
10532 /* Load the nth position from the given file */
10534 LoadPositionFromFile(filename, n, title)
10542 if (strcmp(filename, "-") == 0) {
10543 return LoadPosition(stdin, n, "stdin");
10545 f = fopen(filename, "rb");
10547 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10548 DisplayError(buf, errno);
10551 return LoadPosition(f, n, title);
10556 /* Load the nth position from the given open file, and close it */
10558 LoadPosition(f, positionNumber, title)
10560 int positionNumber;
10563 char *p, line[MSG_SIZ];
10564 Board initial_position;
10565 int i, j, fenMode, pn;
10567 if (gameMode == Training )
10568 SetTrainingModeOff();
10570 if (gameMode != BeginningOfGame) {
10571 Reset(FALSE, TRUE);
10573 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10574 fclose(lastLoadPositionFP);
10576 if (positionNumber == 0) positionNumber = 1;
10577 lastLoadPositionFP = f;
10578 lastLoadPositionNumber = positionNumber;
10579 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10580 if (first.pr == NoProc) {
10581 StartChessProgram(&first);
10582 InitChessProgram(&first, FALSE);
10584 pn = positionNumber;
10585 if (positionNumber < 0) {
10586 /* Negative position number means to seek to that byte offset */
10587 if (fseek(f, -positionNumber, 0) == -1) {
10588 DisplayError(_("Can't seek on position file"), 0);
10593 if (fseek(f, 0, 0) == -1) {
10594 if (f == lastLoadPositionFP ?
10595 positionNumber == lastLoadPositionNumber + 1 :
10596 positionNumber == 1) {
10599 DisplayError(_("Can't seek on position file"), 0);
10604 /* See if this file is FEN or old-style xboard */
10605 if (fgets(line, MSG_SIZ, f) == NULL) {
10606 DisplayError(_("Position not found in file"), 0);
10609 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10610 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10613 if (fenMode || line[0] == '#') pn--;
10615 /* skip positions before number pn */
10616 if (fgets(line, MSG_SIZ, f) == NULL) {
10618 DisplayError(_("Position not found in file"), 0);
10621 if (fenMode || line[0] == '#') pn--;
10626 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10627 DisplayError(_("Bad FEN position in file"), 0);
10631 (void) fgets(line, MSG_SIZ, f);
10632 (void) fgets(line, MSG_SIZ, f);
10634 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10635 (void) fgets(line, MSG_SIZ, f);
10636 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10639 initial_position[i][j++] = CharToPiece(*p);
10643 blackPlaysFirst = FALSE;
10645 (void) fgets(line, MSG_SIZ, f);
10646 if (strncmp(line, "black", strlen("black"))==0)
10647 blackPlaysFirst = TRUE;
10650 startedFromSetupPosition = TRUE;
10652 SendToProgram("force\n", &first);
10653 CopyBoard(boards[0], initial_position);
10654 if (blackPlaysFirst) {
10655 currentMove = forwardMostMove = backwardMostMove = 1;
10656 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10657 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10658 CopyBoard(boards[1], initial_position);
10659 DisplayMessage("", _("Black to play"));
10661 currentMove = forwardMostMove = backwardMostMove = 0;
10662 DisplayMessage("", _("White to play"));
10664 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10665 SendBoard(&first, forwardMostMove);
10666 if (appData.debugMode) {
10668 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10669 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10670 fprintf(debugFP, "Load Position\n");
10673 if (positionNumber > 1) {
10674 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10675 DisplayTitle(line);
10677 DisplayTitle(title);
10679 gameMode = EditGame;
10682 timeRemaining[0][1] = whiteTimeRemaining;
10683 timeRemaining[1][1] = blackTimeRemaining;
10684 DrawPosition(FALSE, boards[currentMove]);
10691 CopyPlayerNameIntoFileName(dest, src)
10694 while (*src != NULLCHAR && *src != ',') {
10699 *(*dest)++ = *src++;
10704 char *DefaultFileName(ext)
10707 static char def[MSG_SIZ];
10710 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10712 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10714 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10716 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10723 /* Save the current game to the given file */
10725 SaveGameToFile(filename, append)
10732 if (strcmp(filename, "-") == 0) {
10733 return SaveGame(stdout, 0, NULL);
10735 f = fopen(filename, append ? "a" : "w");
10737 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10738 DisplayError(buf, errno);
10741 return SaveGame(f, 0, NULL);
10750 static char buf[MSG_SIZ];
10753 p = strchr(str, ' ');
10754 if (p == NULL) return str;
10755 strncpy(buf, str, p - str);
10756 buf[p - str] = NULLCHAR;
10760 #define PGN_MAX_LINE 75
10762 #define PGN_SIDE_WHITE 0
10763 #define PGN_SIDE_BLACK 1
10766 static int FindFirstMoveOutOfBook( int side )
10770 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10771 int index = backwardMostMove;
10772 int has_book_hit = 0;
10774 if( (index % 2) != side ) {
10778 while( index < forwardMostMove ) {
10779 /* Check to see if engine is in book */
10780 int depth = pvInfoList[index].depth;
10781 int score = pvInfoList[index].score;
10787 else if( score == 0 && depth == 63 ) {
10788 in_book = 1; /* Zappa */
10790 else if( score == 2 && depth == 99 ) {
10791 in_book = 1; /* Abrok */
10794 has_book_hit += in_book;
10810 void GetOutOfBookInfo( char * buf )
10814 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10816 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10817 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10821 if( oob[0] >= 0 || oob[1] >= 0 ) {
10822 for( i=0; i<2; i++ ) {
10826 if( i > 0 && oob[0] >= 0 ) {
10827 strcat( buf, " " );
10830 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10831 sprintf( buf+strlen(buf), "%s%.2f",
10832 pvInfoList[idx].score >= 0 ? "+" : "",
10833 pvInfoList[idx].score / 100.0 );
10839 /* Save game in PGN style and close the file */
10844 int i, offset, linelen, newblock;
10848 int movelen, numlen, blank;
10849 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10851 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10853 tm = time((time_t *) NULL);
10855 PrintPGNTags(f, &gameInfo);
10857 if (backwardMostMove > 0 || startedFromSetupPosition) {
10858 char *fen = PositionToFEN(backwardMostMove, NULL);
10859 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10860 fprintf(f, "\n{--------------\n");
10861 PrintPosition(f, backwardMostMove);
10862 fprintf(f, "--------------}\n");
10866 /* [AS] Out of book annotation */
10867 if( appData.saveOutOfBookInfo ) {
10870 GetOutOfBookInfo( buf );
10872 if( buf[0] != '\0' ) {
10873 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10880 i = backwardMostMove;
10884 while (i < forwardMostMove) {
10885 /* Print comments preceding this move */
10886 if (commentList[i] != NULL) {
10887 if (linelen > 0) fprintf(f, "\n");
10888 fprintf(f, "%s", commentList[i]);
10893 /* Format move number */
10895 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10898 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10900 numtext[0] = NULLCHAR;
10902 numlen = strlen(numtext);
10905 /* Print move number */
10906 blank = linelen > 0 && numlen > 0;
10907 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10916 fprintf(f, "%s", numtext);
10920 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10921 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10924 blank = linelen > 0 && movelen > 0;
10925 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10934 fprintf(f, "%s", move_buffer);
10935 linelen += movelen;
10937 /* [AS] Add PV info if present */
10938 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10939 /* [HGM] add time */
10940 char buf[MSG_SIZ]; int seconds;
10942 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10948 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10951 seconds = (seconds + 4)/10; // round to full seconds
10953 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10955 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10958 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10959 pvInfoList[i].score >= 0 ? "+" : "",
10960 pvInfoList[i].score / 100.0,
10961 pvInfoList[i].depth,
10964 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10966 /* Print score/depth */
10967 blank = linelen > 0 && movelen > 0;
10968 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10977 fprintf(f, "%s", move_buffer);
10978 linelen += movelen;
10984 /* Start a new line */
10985 if (linelen > 0) fprintf(f, "\n");
10987 /* Print comments after last move */
10988 if (commentList[i] != NULL) {
10989 fprintf(f, "%s\n", commentList[i]);
10993 if (gameInfo.resultDetails != NULL &&
10994 gameInfo.resultDetails[0] != NULLCHAR) {
10995 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10996 PGNResult(gameInfo.result));
10998 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11002 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11006 /* Save game in old style and close the file */
11008 SaveGameOldStyle(f)
11014 tm = time((time_t *) NULL);
11016 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11019 if (backwardMostMove > 0 || startedFromSetupPosition) {
11020 fprintf(f, "\n[--------------\n");
11021 PrintPosition(f, backwardMostMove);
11022 fprintf(f, "--------------]\n");
11027 i = backwardMostMove;
11028 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11030 while (i < forwardMostMove) {
11031 if (commentList[i] != NULL) {
11032 fprintf(f, "[%s]\n", commentList[i]);
11035 if ((i % 2) == 1) {
11036 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11039 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11041 if (commentList[i] != NULL) {
11045 if (i >= forwardMostMove) {
11049 fprintf(f, "%s\n", parseList[i]);
11054 if (commentList[i] != NULL) {
11055 fprintf(f, "[%s]\n", commentList[i]);
11058 /* This isn't really the old style, but it's close enough */
11059 if (gameInfo.resultDetails != NULL &&
11060 gameInfo.resultDetails[0] != NULLCHAR) {
11061 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11062 gameInfo.resultDetails);
11064 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11071 /* Save the current game to open file f and close the file */
11073 SaveGame(f, dummy, dummy2)
11078 if (gameMode == EditPosition) EditPositionDone(TRUE);
11079 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11080 if (appData.oldSaveStyle)
11081 return SaveGameOldStyle(f);
11083 return SaveGamePGN(f);
11086 /* Save the current position to the given file */
11088 SavePositionToFile(filename)
11094 if (strcmp(filename, "-") == 0) {
11095 return SavePosition(stdout, 0, NULL);
11097 f = fopen(filename, "a");
11099 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11100 DisplayError(buf, errno);
11103 SavePosition(f, 0, NULL);
11109 /* Save the current position to the given open file and close the file */
11111 SavePosition(f, dummy, dummy2)
11119 if (gameMode == EditPosition) EditPositionDone(TRUE);
11120 if (appData.oldSaveStyle) {
11121 tm = time((time_t *) NULL);
11123 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11125 fprintf(f, "[--------------\n");
11126 PrintPosition(f, currentMove);
11127 fprintf(f, "--------------]\n");
11129 fen = PositionToFEN(currentMove, NULL);
11130 fprintf(f, "%s\n", fen);
11138 ReloadCmailMsgEvent(unregister)
11142 static char *inFilename = NULL;
11143 static char *outFilename;
11145 struct stat inbuf, outbuf;
11148 /* Any registered moves are unregistered if unregister is set, */
11149 /* i.e. invoked by the signal handler */
11151 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11152 cmailMoveRegistered[i] = FALSE;
11153 if (cmailCommentList[i] != NULL) {
11154 free(cmailCommentList[i]);
11155 cmailCommentList[i] = NULL;
11158 nCmailMovesRegistered = 0;
11161 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11162 cmailResult[i] = CMAIL_NOT_RESULT;
11166 if (inFilename == NULL) {
11167 /* Because the filenames are static they only get malloced once */
11168 /* and they never get freed */
11169 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11170 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11172 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11173 sprintf(outFilename, "%s.out", appData.cmailGameName);
11176 status = stat(outFilename, &outbuf);
11178 cmailMailedMove = FALSE;
11180 status = stat(inFilename, &inbuf);
11181 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11184 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11185 counts the games, notes how each one terminated, etc.
11187 It would be nice to remove this kludge and instead gather all
11188 the information while building the game list. (And to keep it
11189 in the game list nodes instead of having a bunch of fixed-size
11190 parallel arrays.) Note this will require getting each game's
11191 termination from the PGN tags, as the game list builder does
11192 not process the game moves. --mann
11194 cmailMsgLoaded = TRUE;
11195 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11197 /* Load first game in the file or popup game menu */
11198 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11200 #endif /* !WIN32 */
11208 char string[MSG_SIZ];
11210 if ( cmailMailedMove
11211 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11212 return TRUE; /* Allow free viewing */
11215 /* Unregister move to ensure that we don't leave RegisterMove */
11216 /* with the move registered when the conditions for registering no */
11218 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11219 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11220 nCmailMovesRegistered --;
11222 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11224 free(cmailCommentList[lastLoadGameNumber - 1]);
11225 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11229 if (cmailOldMove == -1) {
11230 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11234 if (currentMove > cmailOldMove + 1) {
11235 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11239 if (currentMove < cmailOldMove) {
11240 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11244 if (forwardMostMove > currentMove) {
11245 /* Silently truncate extra moves */
11249 if ( (currentMove == cmailOldMove + 1)
11250 || ( (currentMove == cmailOldMove)
11251 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11252 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11253 if (gameInfo.result != GameUnfinished) {
11254 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11257 if (commentList[currentMove] != NULL) {
11258 cmailCommentList[lastLoadGameNumber - 1]
11259 = StrSave(commentList[currentMove]);
11261 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11263 if (appData.debugMode)
11264 fprintf(debugFP, "Saving %s for game %d\n",
11265 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11267 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11269 f = fopen(string, "w");
11270 if (appData.oldSaveStyle) {
11271 SaveGameOldStyle(f); /* also closes the file */
11273 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11274 f = fopen(string, "w");
11275 SavePosition(f, 0, NULL); /* also closes the file */
11277 fprintf(f, "{--------------\n");
11278 PrintPosition(f, currentMove);
11279 fprintf(f, "--------------}\n\n");
11281 SaveGame(f, 0, NULL); /* also closes the file*/
11284 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11285 nCmailMovesRegistered ++;
11286 } else if (nCmailGames == 1) {
11287 DisplayError(_("You have not made a move yet"), 0);
11298 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11299 FILE *commandOutput;
11300 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11301 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11307 if (! cmailMsgLoaded) {
11308 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11312 if (nCmailGames == nCmailResults) {
11313 DisplayError(_("No unfinished games"), 0);
11317 #if CMAIL_PROHIBIT_REMAIL
11318 if (cmailMailedMove) {
11319 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);
11320 DisplayError(msg, 0);
11325 if (! (cmailMailedMove || RegisterMove())) return;
11327 if ( cmailMailedMove
11328 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11329 snprintf(string, MSG_SIZ, partCommandString,
11330 appData.debugMode ? " -v" : "", appData.cmailGameName);
11331 commandOutput = popen(string, "r");
11333 if (commandOutput == NULL) {
11334 DisplayError(_("Failed to invoke cmail"), 0);
11336 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11337 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11339 if (nBuffers > 1) {
11340 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11341 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11342 nBytes = MSG_SIZ - 1;
11344 (void) memcpy(msg, buffer, nBytes);
11346 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11348 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11349 cmailMailedMove = TRUE; /* Prevent >1 moves */
11352 for (i = 0; i < nCmailGames; i ++) {
11353 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11358 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11360 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11362 appData.cmailGameName,
11364 LoadGameFromFile(buffer, 1, buffer, FALSE);
11365 cmailMsgLoaded = FALSE;
11369 DisplayInformation(msg);
11370 pclose(commandOutput);
11373 if ((*cmailMsg) != '\0') {
11374 DisplayInformation(cmailMsg);
11379 #endif /* !WIN32 */
11388 int prependComma = 0;
11390 char string[MSG_SIZ]; /* Space for game-list */
11393 if (!cmailMsgLoaded) return "";
11395 if (cmailMailedMove) {
11396 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11398 /* Create a list of games left */
11399 snprintf(string, MSG_SIZ, "[");
11400 for (i = 0; i < nCmailGames; i ++) {
11401 if (! ( cmailMoveRegistered[i]
11402 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11403 if (prependComma) {
11404 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11406 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11410 strcat(string, number);
11413 strcat(string, "]");
11415 if (nCmailMovesRegistered + nCmailResults == 0) {
11416 switch (nCmailGames) {
11418 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11422 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11426 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11431 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11433 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11438 if (nCmailResults == nCmailGames) {
11439 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11441 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11446 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11458 if (gameMode == Training)
11459 SetTrainingModeOff();
11462 cmailMsgLoaded = FALSE;
11463 if (appData.icsActive) {
11464 SendToICS(ics_prefix);
11465 SendToICS("refresh\n");
11475 /* Give up on clean exit */
11479 /* Keep trying for clean exit */
11483 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11485 if (telnetISR != NULL) {
11486 RemoveInputSource(telnetISR);
11488 if (icsPR != NoProc) {
11489 DestroyChildProcess(icsPR, TRUE);
11492 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11493 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11495 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11496 /* make sure this other one finishes before killing it! */
11497 if(endingGame) { int count = 0;
11498 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11499 while(endingGame && count++ < 10) DoSleep(1);
11500 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11503 /* Kill off chess programs */
11504 if (first.pr != NoProc) {
11507 DoSleep( appData.delayBeforeQuit );
11508 SendToProgram("quit\n", &first);
11509 DoSleep( appData.delayAfterQuit );
11510 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11512 if (second.pr != NoProc) {
11513 DoSleep( appData.delayBeforeQuit );
11514 SendToProgram("quit\n", &second);
11515 DoSleep( appData.delayAfterQuit );
11516 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11518 if (first.isr != NULL) {
11519 RemoveInputSource(first.isr);
11521 if (second.isr != NULL) {
11522 RemoveInputSource(second.isr);
11525 ShutDownFrontEnd();
11532 if (appData.debugMode)
11533 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11537 if (gameMode == MachinePlaysWhite ||
11538 gameMode == MachinePlaysBlack) {
11541 DisplayBothClocks();
11543 if (gameMode == PlayFromGameFile) {
11544 if (appData.timeDelay >= 0)
11545 AutoPlayGameLoop();
11546 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11547 Reset(FALSE, TRUE);
11548 SendToICS(ics_prefix);
11549 SendToICS("refresh\n");
11550 } else if (currentMove < forwardMostMove) {
11551 ForwardInner(forwardMostMove);
11553 pauseExamInvalid = FALSE;
11555 switch (gameMode) {
11559 pauseExamForwardMostMove = forwardMostMove;
11560 pauseExamInvalid = FALSE;
11563 case IcsPlayingWhite:
11564 case IcsPlayingBlack:
11568 case PlayFromGameFile:
11569 (void) StopLoadGameTimer();
11573 case BeginningOfGame:
11574 if (appData.icsActive) return;
11575 /* else fall through */
11576 case MachinePlaysWhite:
11577 case MachinePlaysBlack:
11578 case TwoMachinesPlay:
11579 if (forwardMostMove == 0)
11580 return; /* don't pause if no one has moved */
11581 if ((gameMode == MachinePlaysWhite &&
11582 !WhiteOnMove(forwardMostMove)) ||
11583 (gameMode == MachinePlaysBlack &&
11584 WhiteOnMove(forwardMostMove))) {
11597 char title[MSG_SIZ];
11599 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11600 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11602 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11603 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11604 parseList[currentMove - 1]);
11607 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11614 char *tags = PGNTags(&gameInfo);
11615 EditTagsPopUp(tags);
11622 if (appData.noChessProgram || gameMode == AnalyzeMode)
11625 if (gameMode != AnalyzeFile) {
11626 if (!appData.icsEngineAnalyze) {
11628 if (gameMode != EditGame) return;
11630 ResurrectChessProgram();
11631 SendToProgram("analyze\n", &first);
11632 first.analyzing = TRUE;
11633 /*first.maybeThinking = TRUE;*/
11634 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11635 EngineOutputPopUp();
11637 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11642 StartAnalysisClock();
11643 GetTimeMark(&lastNodeCountTime);
11650 if (appData.noChessProgram || gameMode == AnalyzeFile)
11653 if (gameMode != AnalyzeMode) {
11655 if (gameMode != EditGame) return;
11656 ResurrectChessProgram();
11657 SendToProgram("analyze\n", &first);
11658 first.analyzing = TRUE;
11659 /*first.maybeThinking = TRUE;*/
11660 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11661 EngineOutputPopUp();
11663 gameMode = AnalyzeFile;
11668 StartAnalysisClock();
11669 GetTimeMark(&lastNodeCountTime);
11674 MachineWhiteEvent()
11677 char *bookHit = NULL;
11679 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11683 if (gameMode == PlayFromGameFile ||
11684 gameMode == TwoMachinesPlay ||
11685 gameMode == Training ||
11686 gameMode == AnalyzeMode ||
11687 gameMode == EndOfGame)
11690 if (gameMode == EditPosition)
11691 EditPositionDone(TRUE);
11693 if (!WhiteOnMove(currentMove)) {
11694 DisplayError(_("It is not White's turn"), 0);
11698 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11701 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11702 gameMode == AnalyzeFile)
11705 ResurrectChessProgram(); /* in case it isn't running */
11706 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11707 gameMode = MachinePlaysWhite;
11710 gameMode = MachinePlaysWhite;
11714 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11716 if (first.sendName) {
11717 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11718 SendToProgram(buf, &first);
11720 if (first.sendTime) {
11721 if (first.useColors) {
11722 SendToProgram("black\n", &first); /*gnu kludge*/
11724 SendTimeRemaining(&first, TRUE);
11726 if (first.useColors) {
11727 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11729 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11730 SetMachineThinkingEnables();
11731 first.maybeThinking = TRUE;
11735 if (appData.autoFlipView && !flipView) {
11736 flipView = !flipView;
11737 DrawPosition(FALSE, NULL);
11738 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11741 if(bookHit) { // [HGM] book: simulate book reply
11742 static char bookMove[MSG_SIZ]; // a bit generous?
11744 programStats.nodes = programStats.depth = programStats.time =
11745 programStats.score = programStats.got_only_move = 0;
11746 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11748 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11749 strcat(bookMove, bookHit);
11750 HandleMachineMove(bookMove, &first);
11755 MachineBlackEvent()
11758 char *bookHit = NULL;
11760 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11764 if (gameMode == PlayFromGameFile ||
11765 gameMode == TwoMachinesPlay ||
11766 gameMode == Training ||
11767 gameMode == AnalyzeMode ||
11768 gameMode == EndOfGame)
11771 if (gameMode == EditPosition)
11772 EditPositionDone(TRUE);
11774 if (WhiteOnMove(currentMove)) {
11775 DisplayError(_("It is not Black's turn"), 0);
11779 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11782 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11783 gameMode == AnalyzeFile)
11786 ResurrectChessProgram(); /* in case it isn't running */
11787 gameMode = MachinePlaysBlack;
11791 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11793 if (first.sendName) {
11794 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11795 SendToProgram(buf, &first);
11797 if (first.sendTime) {
11798 if (first.useColors) {
11799 SendToProgram("white\n", &first); /*gnu kludge*/
11801 SendTimeRemaining(&first, FALSE);
11803 if (first.useColors) {
11804 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11806 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11807 SetMachineThinkingEnables();
11808 first.maybeThinking = TRUE;
11811 if (appData.autoFlipView && flipView) {
11812 flipView = !flipView;
11813 DrawPosition(FALSE, NULL);
11814 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11816 if(bookHit) { // [HGM] book: simulate book reply
11817 static char bookMove[MSG_SIZ]; // a bit generous?
11819 programStats.nodes = programStats.depth = programStats.time =
11820 programStats.score = programStats.got_only_move = 0;
11821 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11823 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11824 strcat(bookMove, bookHit);
11825 HandleMachineMove(bookMove, &first);
11831 DisplayTwoMachinesTitle()
11834 if (appData.matchGames > 0) {
11835 if (first.twoMachinesColor[0] == 'w') {
11836 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11837 gameInfo.white, gameInfo.black,
11838 first.matchWins, second.matchWins,
11839 matchGame - 1 - (first.matchWins + second.matchWins));
11841 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11842 gameInfo.white, gameInfo.black,
11843 second.matchWins, first.matchWins,
11844 matchGame - 1 - (first.matchWins + second.matchWins));
11847 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11853 TwoMachinesEvent P((void))
11857 ChessProgramState *onmove;
11858 char *bookHit = NULL;
11860 if (appData.noChessProgram) return;
11862 switch (gameMode) {
11863 case TwoMachinesPlay:
11865 case MachinePlaysWhite:
11866 case MachinePlaysBlack:
11867 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11868 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11872 case BeginningOfGame:
11873 case PlayFromGameFile:
11876 if (gameMode != EditGame) return;
11879 EditPositionDone(TRUE);
11890 // forwardMostMove = currentMove;
11891 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11892 ResurrectChessProgram(); /* in case first program isn't running */
11894 if (second.pr == NULL) {
11895 StartChessProgram(&second);
11896 if (second.protocolVersion == 1) {
11897 TwoMachinesEventIfReady();
11899 /* kludge: allow timeout for initial "feature" command */
11901 DisplayMessage("", _("Starting second chess program"));
11902 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11906 DisplayMessage("", "");
11907 InitChessProgram(&second, FALSE);
11908 SendToProgram("force\n", &second);
11909 if (startedFromSetupPosition) {
11910 SendBoard(&second, backwardMostMove);
11911 if (appData.debugMode) {
11912 fprintf(debugFP, "Two Machines\n");
11915 for (i = backwardMostMove; i < forwardMostMove; i++) {
11916 SendMoveToProgram(i, &second);
11919 gameMode = TwoMachinesPlay;
11923 DisplayTwoMachinesTitle();
11925 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11931 SendToProgram(first.computerString, &first);
11932 if (first.sendName) {
11933 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11934 SendToProgram(buf, &first);
11936 SendToProgram(second.computerString, &second);
11937 if (second.sendName) {
11938 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11939 SendToProgram(buf, &second);
11943 if (!first.sendTime || !second.sendTime) {
11944 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11945 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11947 if (onmove->sendTime) {
11948 if (onmove->useColors) {
11949 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11951 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11953 if (onmove->useColors) {
11954 SendToProgram(onmove->twoMachinesColor, onmove);
11956 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11957 // SendToProgram("go\n", onmove);
11958 onmove->maybeThinking = TRUE;
11959 SetMachineThinkingEnables();
11963 if(bookHit) { // [HGM] book: simulate book reply
11964 static char bookMove[MSG_SIZ]; // a bit generous?
11966 programStats.nodes = programStats.depth = programStats.time =
11967 programStats.score = programStats.got_only_move = 0;
11968 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11970 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11971 strcat(bookMove, bookHit);
11972 savedMessage = bookMove; // args for deferred call
11973 savedState = onmove;
11974 ScheduleDelayedEvent(DeferredBookMove, 1);
11981 if (gameMode == Training) {
11982 SetTrainingModeOff();
11983 gameMode = PlayFromGameFile;
11984 DisplayMessage("", _("Training mode off"));
11986 gameMode = Training;
11987 animateTraining = appData.animate;
11989 /* make sure we are not already at the end of the game */
11990 if (currentMove < forwardMostMove) {
11991 SetTrainingModeOn();
11992 DisplayMessage("", _("Training mode on"));
11994 gameMode = PlayFromGameFile;
11995 DisplayError(_("Already at end of game"), 0);
12004 if (!appData.icsActive) return;
12005 switch (gameMode) {
12006 case IcsPlayingWhite:
12007 case IcsPlayingBlack:
12010 case BeginningOfGame:
12018 EditPositionDone(TRUE);
12031 gameMode = IcsIdle;
12042 switch (gameMode) {
12044 SetTrainingModeOff();
12046 case MachinePlaysWhite:
12047 case MachinePlaysBlack:
12048 case BeginningOfGame:
12049 SendToProgram("force\n", &first);
12050 SetUserThinkingEnables();
12052 case PlayFromGameFile:
12053 (void) StopLoadGameTimer();
12054 if (gameFileFP != NULL) {
12059 EditPositionDone(TRUE);
12064 SendToProgram("force\n", &first);
12066 case TwoMachinesPlay:
12067 GameEnds(EndOfFile, NULL, GE_PLAYER);
12068 ResurrectChessProgram();
12069 SetUserThinkingEnables();
12072 ResurrectChessProgram();
12074 case IcsPlayingBlack:
12075 case IcsPlayingWhite:
12076 DisplayError(_("Warning: You are still playing a game"), 0);
12079 DisplayError(_("Warning: You are still observing a game"), 0);
12082 DisplayError(_("Warning: You are still examining a game"), 0);
12093 first.offeredDraw = second.offeredDraw = 0;
12095 if (gameMode == PlayFromGameFile) {
12096 whiteTimeRemaining = timeRemaining[0][currentMove];
12097 blackTimeRemaining = timeRemaining[1][currentMove];
12101 if (gameMode == MachinePlaysWhite ||
12102 gameMode == MachinePlaysBlack ||
12103 gameMode == TwoMachinesPlay ||
12104 gameMode == EndOfGame) {
12105 i = forwardMostMove;
12106 while (i > currentMove) {
12107 SendToProgram("undo\n", &first);
12110 whiteTimeRemaining = timeRemaining[0][currentMove];
12111 blackTimeRemaining = timeRemaining[1][currentMove];
12112 DisplayBothClocks();
12113 if (whiteFlag || blackFlag) {
12114 whiteFlag = blackFlag = 0;
12119 gameMode = EditGame;
12126 EditPositionEvent()
12128 if (gameMode == EditPosition) {
12134 if (gameMode != EditGame) return;
12136 gameMode = EditPosition;
12139 if (currentMove > 0)
12140 CopyBoard(boards[0], boards[currentMove]);
12142 blackPlaysFirst = !WhiteOnMove(currentMove);
12144 currentMove = forwardMostMove = backwardMostMove = 0;
12145 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12152 /* [DM] icsEngineAnalyze - possible call from other functions */
12153 if (appData.icsEngineAnalyze) {
12154 appData.icsEngineAnalyze = FALSE;
12156 DisplayMessage("",_("Close ICS engine analyze..."));
12158 if (first.analysisSupport && first.analyzing) {
12159 SendToProgram("exit\n", &first);
12160 first.analyzing = FALSE;
12162 thinkOutput[0] = NULLCHAR;
12166 EditPositionDone(Boolean fakeRights)
12168 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12170 startedFromSetupPosition = TRUE;
12171 InitChessProgram(&first, FALSE);
12172 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12173 boards[0][EP_STATUS] = EP_NONE;
12174 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12175 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12176 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12177 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12178 } else boards[0][CASTLING][2] = NoRights;
12179 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12180 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12181 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12182 } else boards[0][CASTLING][5] = NoRights;
12184 SendToProgram("force\n", &first);
12185 if (blackPlaysFirst) {
12186 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12187 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12188 currentMove = forwardMostMove = backwardMostMove = 1;
12189 CopyBoard(boards[1], boards[0]);
12191 currentMove = forwardMostMove = backwardMostMove = 0;
12193 SendBoard(&first, forwardMostMove);
12194 if (appData.debugMode) {
12195 fprintf(debugFP, "EditPosDone\n");
12198 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12199 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12200 gameMode = EditGame;
12202 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12203 ClearHighlights(); /* [AS] */
12206 /* Pause for `ms' milliseconds */
12207 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12217 } while (SubtractTimeMarks(&m2, &m1) < ms);
12220 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12222 SendMultiLineToICS(buf)
12225 char temp[MSG_SIZ+1], *p;
12232 strncpy(temp, buf, len);
12237 if (*p == '\n' || *p == '\r')
12242 strcat(temp, "\n");
12244 SendToPlayer(temp, strlen(temp));
12248 SetWhiteToPlayEvent()
12250 if (gameMode == EditPosition) {
12251 blackPlaysFirst = FALSE;
12252 DisplayBothClocks(); /* works because currentMove is 0 */
12253 } else if (gameMode == IcsExamining) {
12254 SendToICS(ics_prefix);
12255 SendToICS("tomove white\n");
12260 SetBlackToPlayEvent()
12262 if (gameMode == EditPosition) {
12263 blackPlaysFirst = TRUE;
12264 currentMove = 1; /* kludge */
12265 DisplayBothClocks();
12267 } else if (gameMode == IcsExamining) {
12268 SendToICS(ics_prefix);
12269 SendToICS("tomove black\n");
12274 EditPositionMenuEvent(selection, x, y)
12275 ChessSquare selection;
12279 ChessSquare piece = boards[0][y][x];
12281 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12283 switch (selection) {
12285 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12286 SendToICS(ics_prefix);
12287 SendToICS("bsetup clear\n");
12288 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12289 SendToICS(ics_prefix);
12290 SendToICS("clearboard\n");
12292 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12293 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12294 for (y = 0; y < BOARD_HEIGHT; y++) {
12295 if (gameMode == IcsExamining) {
12296 if (boards[currentMove][y][x] != EmptySquare) {
12297 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12302 boards[0][y][x] = p;
12307 if (gameMode == EditPosition) {
12308 DrawPosition(FALSE, boards[0]);
12313 SetWhiteToPlayEvent();
12317 SetBlackToPlayEvent();
12321 if (gameMode == IcsExamining) {
12322 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12323 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12326 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12327 if(x == BOARD_LEFT-2) {
12328 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12329 boards[0][y][1] = 0;
12331 if(x == BOARD_RGHT+1) {
12332 if(y >= gameInfo.holdingsSize) break;
12333 boards[0][y][BOARD_WIDTH-2] = 0;
12336 boards[0][y][x] = EmptySquare;
12337 DrawPosition(FALSE, boards[0]);
12342 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12343 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12344 selection = (ChessSquare) (PROMOTED piece);
12345 } else if(piece == EmptySquare) selection = WhiteSilver;
12346 else selection = (ChessSquare)((int)piece - 1);
12350 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12351 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12352 selection = (ChessSquare) (DEMOTED piece);
12353 } else if(piece == EmptySquare) selection = BlackSilver;
12354 else selection = (ChessSquare)((int)piece + 1);
12359 if(gameInfo.variant == VariantShatranj ||
12360 gameInfo.variant == VariantXiangqi ||
12361 gameInfo.variant == VariantCourier ||
12362 gameInfo.variant == VariantMakruk )
12363 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12368 if(gameInfo.variant == VariantXiangqi)
12369 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12370 if(gameInfo.variant == VariantKnightmate)
12371 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12374 if (gameMode == IcsExamining) {
12375 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12376 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12377 PieceToChar(selection), AAA + x, ONE + y);
12380 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12382 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12383 n = PieceToNumber(selection - BlackPawn);
12384 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12385 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12386 boards[0][BOARD_HEIGHT-1-n][1]++;
12388 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12389 n = PieceToNumber(selection);
12390 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12391 boards[0][n][BOARD_WIDTH-1] = selection;
12392 boards[0][n][BOARD_WIDTH-2]++;
12395 boards[0][y][x] = selection;
12396 DrawPosition(TRUE, boards[0]);
12404 DropMenuEvent(selection, x, y)
12405 ChessSquare selection;
12408 ChessMove moveType;
12410 switch (gameMode) {
12411 case IcsPlayingWhite:
12412 case MachinePlaysBlack:
12413 if (!WhiteOnMove(currentMove)) {
12414 DisplayMoveError(_("It is Black's turn"));
12417 moveType = WhiteDrop;
12419 case IcsPlayingBlack:
12420 case MachinePlaysWhite:
12421 if (WhiteOnMove(currentMove)) {
12422 DisplayMoveError(_("It is White's turn"));
12425 moveType = BlackDrop;
12428 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12434 if (moveType == BlackDrop && selection < BlackPawn) {
12435 selection = (ChessSquare) ((int) selection
12436 + (int) BlackPawn - (int) WhitePawn);
12438 if (boards[currentMove][y][x] != EmptySquare) {
12439 DisplayMoveError(_("That square is occupied"));
12443 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12449 /* Accept a pending offer of any kind from opponent */
12451 if (appData.icsActive) {
12452 SendToICS(ics_prefix);
12453 SendToICS("accept\n");
12454 } else if (cmailMsgLoaded) {
12455 if (currentMove == cmailOldMove &&
12456 commentList[cmailOldMove] != NULL &&
12457 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12458 "Black offers a draw" : "White offers a draw")) {
12460 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12461 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12463 DisplayError(_("There is no pending offer on this move"), 0);
12464 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12467 /* Not used for offers from chess program */
12474 /* Decline a pending offer of any kind from opponent */
12476 if (appData.icsActive) {
12477 SendToICS(ics_prefix);
12478 SendToICS("decline\n");
12479 } else if (cmailMsgLoaded) {
12480 if (currentMove == cmailOldMove &&
12481 commentList[cmailOldMove] != NULL &&
12482 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12483 "Black offers a draw" : "White offers a draw")) {
12485 AppendComment(cmailOldMove, "Draw declined", TRUE);
12486 DisplayComment(cmailOldMove - 1, "Draw declined");
12489 DisplayError(_("There is no pending offer on this move"), 0);
12492 /* Not used for offers from chess program */
12499 /* Issue ICS rematch command */
12500 if (appData.icsActive) {
12501 SendToICS(ics_prefix);
12502 SendToICS("rematch\n");
12509 /* Call your opponent's flag (claim a win on time) */
12510 if (appData.icsActive) {
12511 SendToICS(ics_prefix);
12512 SendToICS("flag\n");
12514 switch (gameMode) {
12517 case MachinePlaysWhite:
12520 GameEnds(GameIsDrawn, "Both players ran out of time",
12523 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12525 DisplayError(_("Your opponent is not out of time"), 0);
12528 case MachinePlaysBlack:
12531 GameEnds(GameIsDrawn, "Both players ran out of time",
12534 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12536 DisplayError(_("Your opponent is not out of time"), 0);
12546 /* Offer draw or accept pending draw offer from opponent */
12548 if (appData.icsActive) {
12549 /* Note: tournament rules require draw offers to be
12550 made after you make your move but before you punch
12551 your clock. Currently ICS doesn't let you do that;
12552 instead, you immediately punch your clock after making
12553 a move, but you can offer a draw at any time. */
12555 SendToICS(ics_prefix);
12556 SendToICS("draw\n");
12557 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12558 } else if (cmailMsgLoaded) {
12559 if (currentMove == cmailOldMove &&
12560 commentList[cmailOldMove] != NULL &&
12561 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12562 "Black offers a draw" : "White offers a draw")) {
12563 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12564 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12565 } else if (currentMove == cmailOldMove + 1) {
12566 char *offer = WhiteOnMove(cmailOldMove) ?
12567 "White offers a draw" : "Black offers a draw";
12568 AppendComment(currentMove, offer, TRUE);
12569 DisplayComment(currentMove - 1, offer);
12570 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12572 DisplayError(_("You must make your move before offering a draw"), 0);
12573 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12575 } else if (first.offeredDraw) {
12576 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12578 if (first.sendDrawOffers) {
12579 SendToProgram("draw\n", &first);
12580 userOfferedDraw = TRUE;
12588 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12590 if (appData.icsActive) {
12591 SendToICS(ics_prefix);
12592 SendToICS("adjourn\n");
12594 /* Currently GNU Chess doesn't offer or accept Adjourns */
12602 /* Offer Abort or accept pending Abort offer from opponent */
12604 if (appData.icsActive) {
12605 SendToICS(ics_prefix);
12606 SendToICS("abort\n");
12608 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12615 /* Resign. You can do this even if it's not your turn. */
12617 if (appData.icsActive) {
12618 SendToICS(ics_prefix);
12619 SendToICS("resign\n");
12621 switch (gameMode) {
12622 case MachinePlaysWhite:
12623 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12625 case MachinePlaysBlack:
12626 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12629 if (cmailMsgLoaded) {
12631 if (WhiteOnMove(cmailOldMove)) {
12632 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12634 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12636 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12647 StopObservingEvent()
12649 /* Stop observing current games */
12650 SendToICS(ics_prefix);
12651 SendToICS("unobserve\n");
12655 StopExaminingEvent()
12657 /* Stop observing current game */
12658 SendToICS(ics_prefix);
12659 SendToICS("unexamine\n");
12663 ForwardInner(target)
12668 if (appData.debugMode)
12669 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12670 target, currentMove, forwardMostMove);
12672 if (gameMode == EditPosition)
12675 if (gameMode == PlayFromGameFile && !pausing)
12678 if (gameMode == IcsExamining && pausing)
12679 limit = pauseExamForwardMostMove;
12681 limit = forwardMostMove;
12683 if (target > limit) target = limit;
12685 if (target > 0 && moveList[target - 1][0]) {
12686 int fromX, fromY, toX, toY;
12687 toX = moveList[target - 1][2] - AAA;
12688 toY = moveList[target - 1][3] - ONE;
12689 if (moveList[target - 1][1] == '@') {
12690 if (appData.highlightLastMove) {
12691 SetHighlights(-1, -1, toX, toY);
12694 fromX = moveList[target - 1][0] - AAA;
12695 fromY = moveList[target - 1][1] - ONE;
12696 if (target == currentMove + 1) {
12697 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12699 if (appData.highlightLastMove) {
12700 SetHighlights(fromX, fromY, toX, toY);
12704 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12705 gameMode == Training || gameMode == PlayFromGameFile ||
12706 gameMode == AnalyzeFile) {
12707 while (currentMove < target) {
12708 SendMoveToProgram(currentMove++, &first);
12711 currentMove = target;
12714 if (gameMode == EditGame || gameMode == EndOfGame) {
12715 whiteTimeRemaining = timeRemaining[0][currentMove];
12716 blackTimeRemaining = timeRemaining[1][currentMove];
12718 DisplayBothClocks();
12719 DisplayMove(currentMove - 1);
12720 DrawPosition(FALSE, boards[currentMove]);
12721 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12722 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12723 DisplayComment(currentMove - 1, commentList[currentMove]);
12731 if (gameMode == IcsExamining && !pausing) {
12732 SendToICS(ics_prefix);
12733 SendToICS("forward\n");
12735 ForwardInner(currentMove + 1);
12742 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12743 /* to optimze, we temporarily turn off analysis mode while we feed
12744 * the remaining moves to the engine. Otherwise we get analysis output
12747 if (first.analysisSupport) {
12748 SendToProgram("exit\nforce\n", &first);
12749 first.analyzing = FALSE;
12753 if (gameMode == IcsExamining && !pausing) {
12754 SendToICS(ics_prefix);
12755 SendToICS("forward 999999\n");
12757 ForwardInner(forwardMostMove);
12760 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12761 /* we have fed all the moves, so reactivate analysis mode */
12762 SendToProgram("analyze\n", &first);
12763 first.analyzing = TRUE;
12764 /*first.maybeThinking = TRUE;*/
12765 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12770 BackwardInner(target)
12773 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12775 if (appData.debugMode)
12776 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12777 target, currentMove, forwardMostMove);
12779 if (gameMode == EditPosition) return;
12780 if (currentMove <= backwardMostMove) {
12782 DrawPosition(full_redraw, boards[currentMove]);
12785 if (gameMode == PlayFromGameFile && !pausing)
12788 if (moveList[target][0]) {
12789 int fromX, fromY, toX, toY;
12790 toX = moveList[target][2] - AAA;
12791 toY = moveList[target][3] - ONE;
12792 if (moveList[target][1] == '@') {
12793 if (appData.highlightLastMove) {
12794 SetHighlights(-1, -1, toX, toY);
12797 fromX = moveList[target][0] - AAA;
12798 fromY = moveList[target][1] - ONE;
12799 if (target == currentMove - 1) {
12800 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12802 if (appData.highlightLastMove) {
12803 SetHighlights(fromX, fromY, toX, toY);
12807 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12808 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12809 while (currentMove > target) {
12810 SendToProgram("undo\n", &first);
12814 currentMove = target;
12817 if (gameMode == EditGame || gameMode == EndOfGame) {
12818 whiteTimeRemaining = timeRemaining[0][currentMove];
12819 blackTimeRemaining = timeRemaining[1][currentMove];
12821 DisplayBothClocks();
12822 DisplayMove(currentMove - 1);
12823 DrawPosition(full_redraw, boards[currentMove]);
12824 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12825 // [HGM] PV info: routine tests if comment empty
12826 DisplayComment(currentMove - 1, commentList[currentMove]);
12832 if (gameMode == IcsExamining && !pausing) {
12833 SendToICS(ics_prefix);
12834 SendToICS("backward\n");
12836 BackwardInner(currentMove - 1);
12843 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12844 /* to optimize, we temporarily turn off analysis mode while we undo
12845 * all the moves. Otherwise we get analysis output after each undo.
12847 if (first.analysisSupport) {
12848 SendToProgram("exit\nforce\n", &first);
12849 first.analyzing = FALSE;
12853 if (gameMode == IcsExamining && !pausing) {
12854 SendToICS(ics_prefix);
12855 SendToICS("backward 999999\n");
12857 BackwardInner(backwardMostMove);
12860 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12861 /* we have fed all the moves, so reactivate analysis mode */
12862 SendToProgram("analyze\n", &first);
12863 first.analyzing = TRUE;
12864 /*first.maybeThinking = TRUE;*/
12865 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12872 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12873 if (to >= forwardMostMove) to = forwardMostMove;
12874 if (to <= backwardMostMove) to = backwardMostMove;
12875 if (to < currentMove) {
12883 RevertEvent(Boolean annotate)
12885 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12888 if (gameMode != IcsExamining) {
12889 DisplayError(_("You are not examining a game"), 0);
12893 DisplayError(_("You can't revert while pausing"), 0);
12896 SendToICS(ics_prefix);
12897 SendToICS("revert\n");
12903 switch (gameMode) {
12904 case MachinePlaysWhite:
12905 case MachinePlaysBlack:
12906 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12907 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12910 if (forwardMostMove < 2) return;
12911 currentMove = forwardMostMove = forwardMostMove - 2;
12912 whiteTimeRemaining = timeRemaining[0][currentMove];
12913 blackTimeRemaining = timeRemaining[1][currentMove];
12914 DisplayBothClocks();
12915 DisplayMove(currentMove - 1);
12916 ClearHighlights();/*!! could figure this out*/
12917 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12918 SendToProgram("remove\n", &first);
12919 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12922 case BeginningOfGame:
12926 case IcsPlayingWhite:
12927 case IcsPlayingBlack:
12928 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12929 SendToICS(ics_prefix);
12930 SendToICS("takeback 2\n");
12932 SendToICS(ics_prefix);
12933 SendToICS("takeback 1\n");
12942 ChessProgramState *cps;
12944 switch (gameMode) {
12945 case MachinePlaysWhite:
12946 if (!WhiteOnMove(forwardMostMove)) {
12947 DisplayError(_("It is your turn"), 0);
12952 case MachinePlaysBlack:
12953 if (WhiteOnMove(forwardMostMove)) {
12954 DisplayError(_("It is your turn"), 0);
12959 case TwoMachinesPlay:
12960 if (WhiteOnMove(forwardMostMove) ==
12961 (first.twoMachinesColor[0] == 'w')) {
12967 case BeginningOfGame:
12971 SendToProgram("?\n", cps);
12975 TruncateGameEvent()
12978 if (gameMode != EditGame) return;
12985 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12986 if (forwardMostMove > currentMove) {
12987 if (gameInfo.resultDetails != NULL) {
12988 free(gameInfo.resultDetails);
12989 gameInfo.resultDetails = NULL;
12990 gameInfo.result = GameUnfinished;
12992 forwardMostMove = currentMove;
12993 HistorySet(parseList, backwardMostMove, forwardMostMove,
13001 if (appData.noChessProgram) return;
13002 switch (gameMode) {
13003 case MachinePlaysWhite:
13004 if (WhiteOnMove(forwardMostMove)) {
13005 DisplayError(_("Wait until your turn"), 0);
13009 case BeginningOfGame:
13010 case MachinePlaysBlack:
13011 if (!WhiteOnMove(forwardMostMove)) {
13012 DisplayError(_("Wait until your turn"), 0);
13017 DisplayError(_("No hint available"), 0);
13020 SendToProgram("hint\n", &first);
13021 hintRequested = TRUE;
13027 if (appData.noChessProgram) return;
13028 switch (gameMode) {
13029 case MachinePlaysWhite:
13030 if (WhiteOnMove(forwardMostMove)) {
13031 DisplayError(_("Wait until your turn"), 0);
13035 case BeginningOfGame:
13036 case MachinePlaysBlack:
13037 if (!WhiteOnMove(forwardMostMove)) {
13038 DisplayError(_("Wait until your turn"), 0);
13043 EditPositionDone(TRUE);
13045 case TwoMachinesPlay:
13050 SendToProgram("bk\n", &first);
13051 bookOutput[0] = NULLCHAR;
13052 bookRequested = TRUE;
13058 char *tags = PGNTags(&gameInfo);
13059 TagsPopUp(tags, CmailMsg());
13063 /* end button procedures */
13066 PrintPosition(fp, move)
13072 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13073 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13074 char c = PieceToChar(boards[move][i][j]);
13075 fputc(c == 'x' ? '.' : c, fp);
13076 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13079 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13080 fprintf(fp, "white to play\n");
13082 fprintf(fp, "black to play\n");
13089 if (gameInfo.white != NULL) {
13090 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13096 /* Find last component of program's own name, using some heuristics */
13098 TidyProgramName(prog, host, buf)
13099 char *prog, *host, buf[MSG_SIZ];
13102 int local = (strcmp(host, "localhost") == 0);
13103 while (!local && (p = strchr(prog, ';')) != NULL) {
13105 while (*p == ' ') p++;
13108 if (*prog == '"' || *prog == '\'') {
13109 q = strchr(prog + 1, *prog);
13111 q = strchr(prog, ' ');
13113 if (q == NULL) q = prog + strlen(prog);
13115 while (p >= prog && *p != '/' && *p != '\\') p--;
13117 if(p == prog && *p == '"') p++;
13118 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13119 memcpy(buf, p, q - p);
13120 buf[q - p] = NULLCHAR;
13128 TimeControlTagValue()
13131 if (!appData.clockMode) {
13132 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13133 } else if (movesPerSession > 0) {
13134 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13135 } else if (timeIncrement == 0) {
13136 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13138 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13140 return StrSave(buf);
13146 /* This routine is used only for certain modes */
13147 VariantClass v = gameInfo.variant;
13148 ChessMove r = GameUnfinished;
13151 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13152 r = gameInfo.result;
13153 p = gameInfo.resultDetails;
13154 gameInfo.resultDetails = NULL;
13156 ClearGameInfo(&gameInfo);
13157 gameInfo.variant = v;
13159 switch (gameMode) {
13160 case MachinePlaysWhite:
13161 gameInfo.event = StrSave( appData.pgnEventHeader );
13162 gameInfo.site = StrSave(HostName());
13163 gameInfo.date = PGNDate();
13164 gameInfo.round = StrSave("-");
13165 gameInfo.white = StrSave(first.tidy);
13166 gameInfo.black = StrSave(UserName());
13167 gameInfo.timeControl = TimeControlTagValue();
13170 case MachinePlaysBlack:
13171 gameInfo.event = StrSave( appData.pgnEventHeader );
13172 gameInfo.site = StrSave(HostName());
13173 gameInfo.date = PGNDate();
13174 gameInfo.round = StrSave("-");
13175 gameInfo.white = StrSave(UserName());
13176 gameInfo.black = StrSave(first.tidy);
13177 gameInfo.timeControl = TimeControlTagValue();
13180 case TwoMachinesPlay:
13181 gameInfo.event = StrSave( appData.pgnEventHeader );
13182 gameInfo.site = StrSave(HostName());
13183 gameInfo.date = PGNDate();
13184 if (matchGame > 0) {
13186 snprintf(buf, MSG_SIZ, "%d", matchGame);
13187 gameInfo.round = StrSave(buf);
13189 gameInfo.round = StrSave("-");
13191 if (first.twoMachinesColor[0] == 'w') {
13192 gameInfo.white = StrSave(first.tidy);
13193 gameInfo.black = StrSave(second.tidy);
13195 gameInfo.white = StrSave(second.tidy);
13196 gameInfo.black = StrSave(first.tidy);
13198 gameInfo.timeControl = TimeControlTagValue();
13202 gameInfo.event = StrSave("Edited game");
13203 gameInfo.site = StrSave(HostName());
13204 gameInfo.date = PGNDate();
13205 gameInfo.round = StrSave("-");
13206 gameInfo.white = StrSave("-");
13207 gameInfo.black = StrSave("-");
13208 gameInfo.result = r;
13209 gameInfo.resultDetails = p;
13213 gameInfo.event = StrSave("Edited position");
13214 gameInfo.site = StrSave(HostName());
13215 gameInfo.date = PGNDate();
13216 gameInfo.round = StrSave("-");
13217 gameInfo.white = StrSave("-");
13218 gameInfo.black = StrSave("-");
13221 case IcsPlayingWhite:
13222 case IcsPlayingBlack:
13227 case PlayFromGameFile:
13228 gameInfo.event = StrSave("Game from non-PGN file");
13229 gameInfo.site = StrSave(HostName());
13230 gameInfo.date = PGNDate();
13231 gameInfo.round = StrSave("-");
13232 gameInfo.white = StrSave("?");
13233 gameInfo.black = StrSave("?");
13242 ReplaceComment(index, text)
13248 while (*text == '\n') text++;
13249 len = strlen(text);
13250 while (len > 0 && text[len - 1] == '\n') len--;
13252 if (commentList[index] != NULL)
13253 free(commentList[index]);
13256 commentList[index] = NULL;
13259 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13260 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13261 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13262 commentList[index] = (char *) malloc(len + 2);
13263 strncpy(commentList[index], text, len);
13264 commentList[index][len] = '\n';
13265 commentList[index][len + 1] = NULLCHAR;
13267 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13269 commentList[index] = (char *) malloc(len + 7);
13270 safeStrCpy(commentList[index], "{\n", 3);
13271 safeStrCpy(commentList[index]+2, text, len+1);
13272 commentList[index][len+2] = NULLCHAR;
13273 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13274 strcat(commentList[index], "\n}\n");
13288 if (ch == '\r') continue;
13290 } while (ch != '\0');
13294 AppendComment(index, text, addBraces)
13297 Boolean addBraces; // [HGM] braces: tells if we should add {}
13302 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13303 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13306 while (*text == '\n') text++;
13307 len = strlen(text);
13308 while (len > 0 && text[len - 1] == '\n') len--;
13310 if (len == 0) return;
13312 if (commentList[index] != NULL) {
13313 old = commentList[index];
13314 oldlen = strlen(old);
13315 while(commentList[index][oldlen-1] == '\n')
13316 commentList[index][--oldlen] = NULLCHAR;
13317 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13318 safeStrCpy(commentList[index], old, oldlen);
13320 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13321 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13322 if(addBraces) addBraces = FALSE; else { text++; len--; }
13323 while (*text == '\n') { text++; len--; }
13324 commentList[index][--oldlen] = NULLCHAR;
13326 if(addBraces) strcat(commentList[index], "\n{\n");
13327 else strcat(commentList[index], "\n");
13328 strcat(commentList[index], text);
13329 if(addBraces) strcat(commentList[index], "\n}\n");
13330 else strcat(commentList[index], "\n");
13332 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13334 safeStrCpy(commentList[index], "{\n", sizeof(commentList[index])/sizeof(commentList[index][0]));
13335 else commentList[index][0] = NULLCHAR;
13336 strcat(commentList[index], text);
13337 strcat(commentList[index], "\n");
13338 if(addBraces) strcat(commentList[index], "}\n");
13342 static char * FindStr( char * text, char * sub_text )
13344 char * result = strstr( text, sub_text );
13346 if( result != NULL ) {
13347 result += strlen( sub_text );
13353 /* [AS] Try to extract PV info from PGN comment */
13354 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13355 char *GetInfoFromComment( int index, char * text )
13359 if( text != NULL && index > 0 ) {
13362 int time = -1, sec = 0, deci;
13363 char * s_eval = FindStr( text, "[%eval " );
13364 char * s_emt = FindStr( text, "[%emt " );
13366 if( s_eval != NULL || s_emt != NULL ) {
13370 if( s_eval != NULL ) {
13371 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13375 if( delim != ']' ) {
13380 if( s_emt != NULL ) {
13385 /* We expect something like: [+|-]nnn.nn/dd */
13388 if(*text != '{') return text; // [HGM] braces: must be normal comment
13390 sep = strchr( text, '/' );
13391 if( sep == NULL || sep < (text+4) ) {
13395 time = -1; sec = -1; deci = -1;
13396 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13397 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13398 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13399 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13403 if( score_lo < 0 || score_lo >= 100 ) {
13407 if(sec >= 0) time = 600*time + 10*sec; else
13408 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13410 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13412 /* [HGM] PV time: now locate end of PV info */
13413 while( *++sep >= '0' && *sep <= '9'); // strip depth
13415 while( *++sep >= '0' && *sep <= '9'); // strip time
13417 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13419 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13420 while(*sep == ' ') sep++;
13431 pvInfoList[index-1].depth = depth;
13432 pvInfoList[index-1].score = score;
13433 pvInfoList[index-1].time = 10*time; // centi-sec
13434 if(*sep == '}') *sep = 0; else *--sep = '{';
13440 SendToProgram(message, cps)
13442 ChessProgramState *cps;
13444 int count, outCount, error;
13447 if (cps->pr == NULL) return;
13450 if (appData.debugMode) {
13453 fprintf(debugFP, "%ld >%-6s: %s",
13454 SubtractTimeMarks(&now, &programStartTime),
13455 cps->which, message);
13458 count = strlen(message);
13459 outCount = OutputToProcess(cps->pr, message, count, &error);
13460 if (outCount < count && !exiting
13461 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13462 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13463 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13464 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13465 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13466 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13468 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13470 gameInfo.resultDetails = StrSave(buf);
13472 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13477 ReceiveFromProgram(isr, closure, message, count, error)
13478 InputSourceRef isr;
13486 ChessProgramState *cps = (ChessProgramState *)closure;
13488 if (isr != cps->isr) return; /* Killed intentionally */
13491 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13492 cps->which, cps->program);
13493 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13494 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13495 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13496 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13498 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13500 gameInfo.resultDetails = StrSave(buf);
13502 RemoveInputSource(cps->isr);
13503 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13505 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13506 cps->which, cps->program);
13507 RemoveInputSource(cps->isr);
13509 /* [AS] Program is misbehaving badly... kill it */
13510 if( count == -2 ) {
13511 DestroyChildProcess( cps->pr, 9 );
13515 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13520 if ((end_str = strchr(message, '\r')) != NULL)
13521 *end_str = NULLCHAR;
13522 if ((end_str = strchr(message, '\n')) != NULL)
13523 *end_str = NULLCHAR;
13525 if (appData.debugMode) {
13526 TimeMark now; int print = 1;
13527 char *quote = ""; char c; int i;
13529 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13530 char start = message[0];
13531 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13532 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13533 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13534 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13535 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13536 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13537 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13538 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13539 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13540 print = (appData.engineComments >= 2);
13542 message[0] = start; // restore original message
13546 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13547 SubtractTimeMarks(&now, &programStartTime), cps->which,
13553 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13554 if (appData.icsEngineAnalyze) {
13555 if (strstr(message, "whisper") != NULL ||
13556 strstr(message, "kibitz") != NULL ||
13557 strstr(message, "tellics") != NULL) return;
13560 HandleMachineMove(message, cps);
13565 SendTimeControl(cps, mps, tc, inc, sd, st)
13566 ChessProgramState *cps;
13567 int mps, inc, sd, st;
13573 if( timeControl_2 > 0 ) {
13574 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13575 tc = timeControl_2;
13578 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13579 inc /= cps->timeOdds;
13580 st /= cps->timeOdds;
13582 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13585 /* Set exact time per move, normally using st command */
13586 if (cps->stKludge) {
13587 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13589 if (seconds == 0) {
13590 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13592 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13595 snprintf(buf, MSG_SIZ, "st %d\n", st);
13598 /* Set conventional or incremental time control, using level command */
13599 if (seconds == 0) {
13600 /* Note old gnuchess bug -- minutes:seconds used to not work.
13601 Fixed in later versions, but still avoid :seconds
13602 when seconds is 0. */
13603 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13605 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13606 seconds, inc/1000.);
13609 SendToProgram(buf, cps);
13611 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13612 /* Orthogonally, limit search to given depth */
13614 if (cps->sdKludge) {
13615 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13617 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13619 SendToProgram(buf, cps);
13622 if(cps->nps > 0) { /* [HGM] nps */
13623 if(cps->supportsNPS == FALSE)
13624 cps->nps = -1; // don't use if engine explicitly says not supported!
13626 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13627 SendToProgram(buf, cps);
13632 ChessProgramState *WhitePlayer()
13633 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13635 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13636 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13642 SendTimeRemaining(cps, machineWhite)
13643 ChessProgramState *cps;
13644 int /*boolean*/ machineWhite;
13646 char message[MSG_SIZ];
13649 /* Note: this routine must be called when the clocks are stopped
13650 or when they have *just* been set or switched; otherwise
13651 it will be off by the time since the current tick started.
13653 if (machineWhite) {
13654 time = whiteTimeRemaining / 10;
13655 otime = blackTimeRemaining / 10;
13657 time = blackTimeRemaining / 10;
13658 otime = whiteTimeRemaining / 10;
13660 /* [HGM] translate opponent's time by time-odds factor */
13661 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13662 if (appData.debugMode) {
13663 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13666 if (time <= 0) time = 1;
13667 if (otime <= 0) otime = 1;
13669 snprintf(message, MSG_SIZ, "time %ld\n", time);
13670 SendToProgram(message, cps);
13672 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13673 SendToProgram(message, cps);
13677 BoolFeature(p, name, loc, cps)
13681 ChessProgramState *cps;
13684 int len = strlen(name);
13687 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13689 sscanf(*p, "%d", &val);
13691 while (**p && **p != ' ')
13693 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13694 SendToProgram(buf, cps);
13701 IntFeature(p, name, loc, cps)
13705 ChessProgramState *cps;
13708 int len = strlen(name);
13709 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13711 sscanf(*p, "%d", loc);
13712 while (**p && **p != ' ') (*p)++;
13713 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13714 SendToProgram(buf, cps);
13721 StringFeature(p, name, loc, cps)
13725 ChessProgramState *cps;
13728 int len = strlen(name);
13729 if (strncmp((*p), name, len) == 0
13730 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13732 sscanf(*p, "%[^\"]", loc);
13733 while (**p && **p != '\"') (*p)++;
13734 if (**p == '\"') (*p)++;
13735 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13736 SendToProgram(buf, cps);
13743 ParseOption(Option *opt, ChessProgramState *cps)
13744 // [HGM] options: process the string that defines an engine option, and determine
13745 // name, type, default value, and allowed value range
13747 char *p, *q, buf[MSG_SIZ];
13748 int n, min = (-1)<<31, max = 1<<31, def;
13750 if(p = strstr(opt->name, " -spin ")) {
13751 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13752 if(max < min) max = min; // enforce consistency
13753 if(def < min) def = min;
13754 if(def > max) def = max;
13759 } else if((p = strstr(opt->name, " -slider "))) {
13760 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13761 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13762 if(max < min) max = min; // enforce consistency
13763 if(def < min) def = min;
13764 if(def > max) def = max;
13768 opt->type = Spin; // Slider;
13769 } else if((p = strstr(opt->name, " -string "))) {
13770 opt->textValue = p+9;
13771 opt->type = TextBox;
13772 } else if((p = strstr(opt->name, " -file "))) {
13773 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13774 opt->textValue = p+7;
13775 opt->type = TextBox; // FileName;
13776 } else if((p = strstr(opt->name, " -path "))) {
13777 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13778 opt->textValue = p+7;
13779 opt->type = TextBox; // PathName;
13780 } else if(p = strstr(opt->name, " -check ")) {
13781 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13782 opt->value = (def != 0);
13783 opt->type = CheckBox;
13784 } else if(p = strstr(opt->name, " -combo ")) {
13785 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13786 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13787 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13788 opt->value = n = 0;
13789 while(q = StrStr(q, " /// ")) {
13790 n++; *q = 0; // count choices, and null-terminate each of them
13792 if(*q == '*') { // remember default, which is marked with * prefix
13796 cps->comboList[cps->comboCnt++] = q;
13798 cps->comboList[cps->comboCnt++] = NULL;
13800 opt->type = ComboBox;
13801 } else if(p = strstr(opt->name, " -button")) {
13802 opt->type = Button;
13803 } else if(p = strstr(opt->name, " -save")) {
13804 opt->type = SaveButton;
13805 } else return FALSE;
13806 *p = 0; // terminate option name
13807 // now look if the command-line options define a setting for this engine option.
13808 if(cps->optionSettings && cps->optionSettings[0])
13809 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13810 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13811 snprintf(buf, MSG_SIZ, "option %s", p);
13812 if(p = strstr(buf, ",")) *p = 0;
13814 SendToProgram(buf, cps);
13820 FeatureDone(cps, val)
13821 ChessProgramState* cps;
13824 DelayedEventCallback cb = GetDelayedEvent();
13825 if ((cb == InitBackEnd3 && cps == &first) ||
13826 (cb == TwoMachinesEventIfReady && cps == &second)) {
13827 CancelDelayedEvent();
13828 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13830 cps->initDone = val;
13833 /* Parse feature command from engine */
13835 ParseFeatures(args, cps)
13837 ChessProgramState *cps;
13845 while (*p == ' ') p++;
13846 if (*p == NULLCHAR) return;
13848 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13849 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13850 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13851 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13852 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13853 if (BoolFeature(&p, "reuse", &val, cps)) {
13854 /* Engine can disable reuse, but can't enable it if user said no */
13855 if (!val) cps->reuse = FALSE;
13858 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13859 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13860 if (gameMode == TwoMachinesPlay) {
13861 DisplayTwoMachinesTitle();
13867 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13868 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13869 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13870 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13871 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13872 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13873 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13874 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13875 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13876 if (IntFeature(&p, "done", &val, cps)) {
13877 FeatureDone(cps, val);
13880 /* Added by Tord: */
13881 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13882 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13883 /* End of additions by Tord */
13885 /* [HGM] added features: */
13886 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13887 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13888 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13889 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13890 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13891 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13892 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13893 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13894 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13895 SendToProgram(buf, cps);
13898 if(cps->nrOptions >= MAX_OPTIONS) {
13900 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13901 DisplayError(buf, 0);
13905 /* End of additions by HGM */
13907 /* unknown feature: complain and skip */
13909 while (*q && *q != '=') q++;
13910 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13911 SendToProgram(buf, cps);
13917 while (*p && *p != '\"') p++;
13918 if (*p == '\"') p++;
13920 while (*p && *p != ' ') p++;
13928 PeriodicUpdatesEvent(newState)
13931 if (newState == appData.periodicUpdates)
13934 appData.periodicUpdates=newState;
13936 /* Display type changes, so update it now */
13937 // DisplayAnalysis();
13939 /* Get the ball rolling again... */
13941 AnalysisPeriodicEvent(1);
13942 StartAnalysisClock();
13947 PonderNextMoveEvent(newState)
13950 if (newState == appData.ponderNextMove) return;
13951 if (gameMode == EditPosition) EditPositionDone(TRUE);
13953 SendToProgram("hard\n", &first);
13954 if (gameMode == TwoMachinesPlay) {
13955 SendToProgram("hard\n", &second);
13958 SendToProgram("easy\n", &first);
13959 thinkOutput[0] = NULLCHAR;
13960 if (gameMode == TwoMachinesPlay) {
13961 SendToProgram("easy\n", &second);
13964 appData.ponderNextMove = newState;
13968 NewSettingEvent(option, feature, command, value)
13970 int option, value, *feature;
13974 if (gameMode == EditPosition) EditPositionDone(TRUE);
13975 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13976 if(feature == NULL || *feature) SendToProgram(buf, &first);
13977 if (gameMode == TwoMachinesPlay) {
13978 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13983 ShowThinkingEvent()
13984 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13986 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13987 int newState = appData.showThinking
13988 // [HGM] thinking: other features now need thinking output as well
13989 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13991 if (oldState == newState) return;
13992 oldState = newState;
13993 if (gameMode == EditPosition) EditPositionDone(TRUE);
13995 SendToProgram("post\n", &first);
13996 if (gameMode == TwoMachinesPlay) {
13997 SendToProgram("post\n", &second);
14000 SendToProgram("nopost\n", &first);
14001 thinkOutput[0] = NULLCHAR;
14002 if (gameMode == TwoMachinesPlay) {
14003 SendToProgram("nopost\n", &second);
14006 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14010 AskQuestionEvent(title, question, replyPrefix, which)
14011 char *title; char *question; char *replyPrefix; char *which;
14013 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14014 if (pr == NoProc) return;
14015 AskQuestion(title, question, replyPrefix, pr);
14019 DisplayMove(moveNumber)
14022 char message[MSG_SIZ];
14024 char cpThinkOutput[MSG_SIZ];
14026 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14028 if (moveNumber == forwardMostMove - 1 ||
14029 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14031 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14033 if (strchr(cpThinkOutput, '\n')) {
14034 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14037 *cpThinkOutput = NULLCHAR;
14040 /* [AS] Hide thinking from human user */
14041 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14042 *cpThinkOutput = NULLCHAR;
14043 if( thinkOutput[0] != NULLCHAR ) {
14046 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14047 cpThinkOutput[i] = '.';
14049 cpThinkOutput[i] = NULLCHAR;
14050 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14054 if (moveNumber == forwardMostMove - 1 &&
14055 gameInfo.resultDetails != NULL) {
14056 if (gameInfo.resultDetails[0] == NULLCHAR) {
14057 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14059 snprintf(res, MSG_SIZ, " {%s} %s",
14060 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14066 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14067 DisplayMessage(res, cpThinkOutput);
14069 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14070 WhiteOnMove(moveNumber) ? " " : ".. ",
14071 parseList[moveNumber], res);
14072 DisplayMessage(message, cpThinkOutput);
14077 DisplayComment(moveNumber, text)
14081 char title[MSG_SIZ];
14082 char buf[8000]; // comment can be long!
14085 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14086 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14088 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14089 WhiteOnMove(moveNumber) ? " " : ".. ",
14090 parseList[moveNumber]);
14092 // [HGM] PV info: display PV info together with (or as) comment
14093 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14094 if(text == NULL) text = "";
14095 score = pvInfoList[moveNumber].score;
14096 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14097 depth, (pvInfoList[moveNumber].time+50)/100, text);
14100 if (text != NULL && (appData.autoDisplayComment || commentUp))
14101 CommentPopUp(title, text);
14104 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14105 * might be busy thinking or pondering. It can be omitted if your
14106 * gnuchess is configured to stop thinking immediately on any user
14107 * input. However, that gnuchess feature depends on the FIONREAD
14108 * ioctl, which does not work properly on some flavors of Unix.
14112 ChessProgramState *cps;
14115 if (!cps->useSigint) return;
14116 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14117 switch (gameMode) {
14118 case MachinePlaysWhite:
14119 case MachinePlaysBlack:
14120 case TwoMachinesPlay:
14121 case IcsPlayingWhite:
14122 case IcsPlayingBlack:
14125 /* Skip if we know it isn't thinking */
14126 if (!cps->maybeThinking) return;
14127 if (appData.debugMode)
14128 fprintf(debugFP, "Interrupting %s\n", cps->which);
14129 InterruptChildProcess(cps->pr);
14130 cps->maybeThinking = FALSE;
14135 #endif /*ATTENTION*/
14141 if (whiteTimeRemaining <= 0) {
14144 if (appData.icsActive) {
14145 if (appData.autoCallFlag &&
14146 gameMode == IcsPlayingBlack && !blackFlag) {
14147 SendToICS(ics_prefix);
14148 SendToICS("flag\n");
14152 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14154 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14155 if (appData.autoCallFlag) {
14156 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14163 if (blackTimeRemaining <= 0) {
14166 if (appData.icsActive) {
14167 if (appData.autoCallFlag &&
14168 gameMode == IcsPlayingWhite && !whiteFlag) {
14169 SendToICS(ics_prefix);
14170 SendToICS("flag\n");
14174 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14176 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14177 if (appData.autoCallFlag) {
14178 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14191 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14192 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14195 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14197 if ( !WhiteOnMove(forwardMostMove) ) {
14198 /* White made time control */
14199 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14200 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14201 /* [HGM] time odds: correct new time quota for time odds! */
14202 / WhitePlayer()->timeOdds;
14203 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14205 lastBlack -= blackTimeRemaining;
14206 /* Black made time control */
14207 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14208 / WhitePlayer()->other->timeOdds;
14209 lastWhite = whiteTimeRemaining;
14214 DisplayBothClocks()
14216 int wom = gameMode == EditPosition ?
14217 !blackPlaysFirst : WhiteOnMove(currentMove);
14218 DisplayWhiteClock(whiteTimeRemaining, wom);
14219 DisplayBlackClock(blackTimeRemaining, !wom);
14223 /* Timekeeping seems to be a portability nightmare. I think everyone
14224 has ftime(), but I'm really not sure, so I'm including some ifdefs
14225 to use other calls if you don't. Clocks will be less accurate if
14226 you have neither ftime nor gettimeofday.
14229 /* VS 2008 requires the #include outside of the function */
14230 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14231 #include <sys/timeb.h>
14234 /* Get the current time as a TimeMark */
14239 #if HAVE_GETTIMEOFDAY
14241 struct timeval timeVal;
14242 struct timezone timeZone;
14244 gettimeofday(&timeVal, &timeZone);
14245 tm->sec = (long) timeVal.tv_sec;
14246 tm->ms = (int) (timeVal.tv_usec / 1000L);
14248 #else /*!HAVE_GETTIMEOFDAY*/
14251 // include <sys/timeb.h> / moved to just above start of function
14252 struct timeb timeB;
14255 tm->sec = (long) timeB.time;
14256 tm->ms = (int) timeB.millitm;
14258 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14259 tm->sec = (long) time(NULL);
14265 /* Return the difference in milliseconds between two
14266 time marks. We assume the difference will fit in a long!
14269 SubtractTimeMarks(tm2, tm1)
14270 TimeMark *tm2, *tm1;
14272 return 1000L*(tm2->sec - tm1->sec) +
14273 (long) (tm2->ms - tm1->ms);
14278 * Code to manage the game clocks.
14280 * In tournament play, black starts the clock and then white makes a move.
14281 * We give the human user a slight advantage if he is playing white---the
14282 * clocks don't run until he makes his first move, so it takes zero time.
14283 * Also, we don't account for network lag, so we could get out of sync
14284 * with GNU Chess's clock -- but then, referees are always right.
14287 static TimeMark tickStartTM;
14288 static long intendedTickLength;
14291 NextTickLength(timeRemaining)
14292 long timeRemaining;
14294 long nominalTickLength, nextTickLength;
14296 if (timeRemaining > 0L && timeRemaining <= 10000L)
14297 nominalTickLength = 100L;
14299 nominalTickLength = 1000L;
14300 nextTickLength = timeRemaining % nominalTickLength;
14301 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14303 return nextTickLength;
14306 /* Adjust clock one minute up or down */
14308 AdjustClock(Boolean which, int dir)
14310 if(which) blackTimeRemaining += 60000*dir;
14311 else whiteTimeRemaining += 60000*dir;
14312 DisplayBothClocks();
14315 /* Stop clocks and reset to a fresh time control */
14319 (void) StopClockTimer();
14320 if (appData.icsActive) {
14321 whiteTimeRemaining = blackTimeRemaining = 0;
14322 } else if (searchTime) {
14323 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14324 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14325 } else { /* [HGM] correct new time quote for time odds */
14326 whiteTC = blackTC = fullTimeControlString;
14327 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14328 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14330 if (whiteFlag || blackFlag) {
14332 whiteFlag = blackFlag = FALSE;
14334 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14335 DisplayBothClocks();
14338 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14340 /* Decrement running clock by amount of time that has passed */
14344 long timeRemaining;
14345 long lastTickLength, fudge;
14348 if (!appData.clockMode) return;
14349 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14353 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14355 /* Fudge if we woke up a little too soon */
14356 fudge = intendedTickLength - lastTickLength;
14357 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14359 if (WhiteOnMove(forwardMostMove)) {
14360 if(whiteNPS >= 0) lastTickLength = 0;
14361 timeRemaining = whiteTimeRemaining -= lastTickLength;
14362 if(timeRemaining < 0 && !appData.icsActive) {
14363 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14364 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14365 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14366 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14369 DisplayWhiteClock(whiteTimeRemaining - fudge,
14370 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14372 if(blackNPS >= 0) lastTickLength = 0;
14373 timeRemaining = blackTimeRemaining -= lastTickLength;
14374 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14375 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14377 blackStartMove = forwardMostMove;
14378 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14381 DisplayBlackClock(blackTimeRemaining - fudge,
14382 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14384 if (CheckFlags()) return;
14387 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14388 StartClockTimer(intendedTickLength);
14390 /* if the time remaining has fallen below the alarm threshold, sound the
14391 * alarm. if the alarm has sounded and (due to a takeback or time control
14392 * with increment) the time remaining has increased to a level above the
14393 * threshold, reset the alarm so it can sound again.
14396 if (appData.icsActive && appData.icsAlarm) {
14398 /* make sure we are dealing with the user's clock */
14399 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14400 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14403 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14404 alarmSounded = FALSE;
14405 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14407 alarmSounded = TRUE;
14413 /* A player has just moved, so stop the previously running
14414 clock and (if in clock mode) start the other one.
14415 We redisplay both clocks in case we're in ICS mode, because
14416 ICS gives us an update to both clocks after every move.
14417 Note that this routine is called *after* forwardMostMove
14418 is updated, so the last fractional tick must be subtracted
14419 from the color that is *not* on move now.
14422 SwitchClocks(int newMoveNr)
14424 long lastTickLength;
14426 int flagged = FALSE;
14430 if (StopClockTimer() && appData.clockMode) {
14431 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14432 if (!WhiteOnMove(forwardMostMove)) {
14433 if(blackNPS >= 0) lastTickLength = 0;
14434 blackTimeRemaining -= lastTickLength;
14435 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14436 // if(pvInfoList[forwardMostMove-1].time == -1)
14437 pvInfoList[forwardMostMove-1].time = // use GUI time
14438 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14440 if(whiteNPS >= 0) lastTickLength = 0;
14441 whiteTimeRemaining -= lastTickLength;
14442 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14443 // if(pvInfoList[forwardMostMove-1].time == -1)
14444 pvInfoList[forwardMostMove-1].time =
14445 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14447 flagged = CheckFlags();
14449 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14450 CheckTimeControl();
14452 if (flagged || !appData.clockMode) return;
14454 switch (gameMode) {
14455 case MachinePlaysBlack:
14456 case MachinePlaysWhite:
14457 case BeginningOfGame:
14458 if (pausing) return;
14462 case PlayFromGameFile:
14470 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14471 if(WhiteOnMove(forwardMostMove))
14472 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14473 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14477 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14478 whiteTimeRemaining : blackTimeRemaining);
14479 StartClockTimer(intendedTickLength);
14483 /* Stop both clocks */
14487 long lastTickLength;
14490 if (!StopClockTimer()) return;
14491 if (!appData.clockMode) return;
14495 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14496 if (WhiteOnMove(forwardMostMove)) {
14497 if(whiteNPS >= 0) lastTickLength = 0;
14498 whiteTimeRemaining -= lastTickLength;
14499 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14501 if(blackNPS >= 0) lastTickLength = 0;
14502 blackTimeRemaining -= lastTickLength;
14503 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14508 /* Start clock of player on move. Time may have been reset, so
14509 if clock is already running, stop and restart it. */
14513 (void) StopClockTimer(); /* in case it was running already */
14514 DisplayBothClocks();
14515 if (CheckFlags()) return;
14517 if (!appData.clockMode) return;
14518 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14520 GetTimeMark(&tickStartTM);
14521 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14522 whiteTimeRemaining : blackTimeRemaining);
14524 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14525 whiteNPS = blackNPS = -1;
14526 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14527 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14528 whiteNPS = first.nps;
14529 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14530 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14531 blackNPS = first.nps;
14532 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14533 whiteNPS = second.nps;
14534 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14535 blackNPS = second.nps;
14536 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14538 StartClockTimer(intendedTickLength);
14545 long second, minute, hour, day;
14547 static char buf[32];
14549 if (ms > 0 && ms <= 9900) {
14550 /* convert milliseconds to tenths, rounding up */
14551 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14553 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14557 /* convert milliseconds to seconds, rounding up */
14558 /* use floating point to avoid strangeness of integer division
14559 with negative dividends on many machines */
14560 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14567 day = second / (60 * 60 * 24);
14568 second = second % (60 * 60 * 24);
14569 hour = second / (60 * 60);
14570 second = second % (60 * 60);
14571 minute = second / 60;
14572 second = second % 60;
14575 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14576 sign, day, hour, minute, second);
14578 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14580 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14587 * This is necessary because some C libraries aren't ANSI C compliant yet.
14590 StrStr(string, match)
14591 char *string, *match;
14595 length = strlen(match);
14597 for (i = strlen(string) - length; i >= 0; i--, string++)
14598 if (!strncmp(match, string, length))
14605 StrCaseStr(string, match)
14606 char *string, *match;
14610 length = strlen(match);
14612 for (i = strlen(string) - length; i >= 0; i--, string++) {
14613 for (j = 0; j < length; j++) {
14614 if (ToLower(match[j]) != ToLower(string[j]))
14617 if (j == length) return string;
14631 c1 = ToLower(*s1++);
14632 c2 = ToLower(*s2++);
14633 if (c1 > c2) return 1;
14634 if (c1 < c2) return -1;
14635 if (c1 == NULLCHAR) return 0;
14644 return isupper(c) ? tolower(c) : c;
14652 return islower(c) ? toupper(c) : c;
14654 #endif /* !_amigados */
14662 if ((ret = (char *) malloc(strlen(s) + 1)))
14664 safeStrCpy(ret, s, strlen(s)+1);
14670 StrSavePtr(s, savePtr)
14671 char *s, **savePtr;
14676 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14677 safeStrCpy(*savePtr, s, strlen(s)+1);
14689 clock = time((time_t *)NULL);
14690 tm = localtime(&clock);
14691 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14692 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14693 return StrSave(buf);
14698 PositionToFEN(move, overrideCastling)
14700 char *overrideCastling;
14702 int i, j, fromX, fromY, toX, toY;
14709 whiteToPlay = (gameMode == EditPosition) ?
14710 !blackPlaysFirst : (move % 2 == 0);
14713 /* Piece placement data */
14714 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14716 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14717 if (boards[move][i][j] == EmptySquare) {
14719 } else { ChessSquare piece = boards[move][i][j];
14720 if (emptycount > 0) {
14721 if(emptycount<10) /* [HGM] can be >= 10 */
14722 *p++ = '0' + emptycount;
14723 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14726 if(PieceToChar(piece) == '+') {
14727 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14729 piece = (ChessSquare)(DEMOTED piece);
14731 *p++ = PieceToChar(piece);
14733 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14734 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14739 if (emptycount > 0) {
14740 if(emptycount<10) /* [HGM] can be >= 10 */
14741 *p++ = '0' + emptycount;
14742 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14749 /* [HGM] print Crazyhouse or Shogi holdings */
14750 if( gameInfo.holdingsWidth ) {
14751 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14753 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14754 piece = boards[move][i][BOARD_WIDTH-1];
14755 if( piece != EmptySquare )
14756 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14757 *p++ = PieceToChar(piece);
14759 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14760 piece = boards[move][BOARD_HEIGHT-i-1][0];
14761 if( piece != EmptySquare )
14762 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14763 *p++ = PieceToChar(piece);
14766 if( q == p ) *p++ = '-';
14772 *p++ = whiteToPlay ? 'w' : 'b';
14775 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14776 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14778 if(nrCastlingRights) {
14780 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14781 /* [HGM] write directly from rights */
14782 if(boards[move][CASTLING][2] != NoRights &&
14783 boards[move][CASTLING][0] != NoRights )
14784 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14785 if(boards[move][CASTLING][2] != NoRights &&
14786 boards[move][CASTLING][1] != NoRights )
14787 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14788 if(boards[move][CASTLING][5] != NoRights &&
14789 boards[move][CASTLING][3] != NoRights )
14790 *p++ = boards[move][CASTLING][3] + AAA;
14791 if(boards[move][CASTLING][5] != NoRights &&
14792 boards[move][CASTLING][4] != NoRights )
14793 *p++ = boards[move][CASTLING][4] + AAA;
14796 /* [HGM] write true castling rights */
14797 if( nrCastlingRights == 6 ) {
14798 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14799 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14800 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14801 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14802 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14803 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14804 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14805 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14808 if (q == p) *p++ = '-'; /* No castling rights */
14812 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14813 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14814 /* En passant target square */
14815 if (move > backwardMostMove) {
14816 fromX = moveList[move - 1][0] - AAA;
14817 fromY = moveList[move - 1][1] - ONE;
14818 toX = moveList[move - 1][2] - AAA;
14819 toY = moveList[move - 1][3] - ONE;
14820 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14821 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14822 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14824 /* 2-square pawn move just happened */
14826 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14830 } else if(move == backwardMostMove) {
14831 // [HGM] perhaps we should always do it like this, and forget the above?
14832 if((signed char)boards[move][EP_STATUS] >= 0) {
14833 *p++ = boards[move][EP_STATUS] + AAA;
14834 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14845 /* [HGM] find reversible plies */
14846 { int i = 0, j=move;
14848 if (appData.debugMode) { int k;
14849 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14850 for(k=backwardMostMove; k<=forwardMostMove; k++)
14851 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14855 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14856 if( j == backwardMostMove ) i += initialRulePlies;
14857 sprintf(p, "%d ", i);
14858 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14860 /* Fullmove number */
14861 sprintf(p, "%d", (move / 2) + 1);
14863 return StrSave(buf);
14867 ParseFEN(board, blackPlaysFirst, fen)
14869 int *blackPlaysFirst;
14879 /* [HGM] by default clear Crazyhouse holdings, if present */
14880 if(gameInfo.holdingsWidth) {
14881 for(i=0; i<BOARD_HEIGHT; i++) {
14882 board[i][0] = EmptySquare; /* black holdings */
14883 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14884 board[i][1] = (ChessSquare) 0; /* black counts */
14885 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14889 /* Piece placement data */
14890 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14893 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14894 if (*p == '/') p++;
14895 emptycount = gameInfo.boardWidth - j;
14896 while (emptycount--)
14897 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14899 #if(BOARD_FILES >= 10)
14900 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14901 p++; emptycount=10;
14902 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14903 while (emptycount--)
14904 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14906 } else if (isdigit(*p)) {
14907 emptycount = *p++ - '0';
14908 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14909 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14910 while (emptycount--)
14911 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14912 } else if (*p == '+' || isalpha(*p)) {
14913 if (j >= gameInfo.boardWidth) return FALSE;
14915 piece = CharToPiece(*++p);
14916 if(piece == EmptySquare) return FALSE; /* unknown piece */
14917 piece = (ChessSquare) (PROMOTED piece ); p++;
14918 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14919 } else piece = CharToPiece(*p++);
14921 if(piece==EmptySquare) return FALSE; /* unknown piece */
14922 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14923 piece = (ChessSquare) (PROMOTED piece);
14924 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14927 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14933 while (*p == '/' || *p == ' ') p++;
14935 /* [HGM] look for Crazyhouse holdings here */
14936 while(*p==' ') p++;
14937 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14939 if(*p == '-' ) p++; /* empty holdings */ else {
14940 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14941 /* if we would allow FEN reading to set board size, we would */
14942 /* have to add holdings and shift the board read so far here */
14943 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14945 if((int) piece >= (int) BlackPawn ) {
14946 i = (int)piece - (int)BlackPawn;
14947 i = PieceToNumber((ChessSquare)i);
14948 if( i >= gameInfo.holdingsSize ) return FALSE;
14949 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14950 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14952 i = (int)piece - (int)WhitePawn;
14953 i = PieceToNumber((ChessSquare)i);
14954 if( i >= gameInfo.holdingsSize ) return FALSE;
14955 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14956 board[i][BOARD_WIDTH-2]++; /* black holdings */
14963 while(*p == ' ') p++;
14967 if(appData.colorNickNames) {
14968 if( c == appData.colorNickNames[0] ) c = 'w'; else
14969 if( c == appData.colorNickNames[1] ) c = 'b';
14973 *blackPlaysFirst = FALSE;
14976 *blackPlaysFirst = TRUE;
14982 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14983 /* return the extra info in global variiables */
14985 /* set defaults in case FEN is incomplete */
14986 board[EP_STATUS] = EP_UNKNOWN;
14987 for(i=0; i<nrCastlingRights; i++ ) {
14988 board[CASTLING][i] =
14989 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14990 } /* assume possible unless obviously impossible */
14991 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14992 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14993 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14994 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14995 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14996 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14997 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14998 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15001 while(*p==' ') p++;
15002 if(nrCastlingRights) {
15003 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15004 /* castling indicator present, so default becomes no castlings */
15005 for(i=0; i<nrCastlingRights; i++ ) {
15006 board[CASTLING][i] = NoRights;
15009 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15010 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15011 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15012 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15013 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15015 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15016 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15017 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15019 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15020 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15021 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15022 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15023 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15024 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15027 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15028 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15029 board[CASTLING][2] = whiteKingFile;
15032 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15033 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15034 board[CASTLING][2] = whiteKingFile;
15037 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15038 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15039 board[CASTLING][5] = blackKingFile;
15042 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15043 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15044 board[CASTLING][5] = blackKingFile;
15047 default: /* FRC castlings */
15048 if(c >= 'a') { /* black rights */
15049 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15050 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15051 if(i == BOARD_RGHT) break;
15052 board[CASTLING][5] = i;
15054 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15055 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15057 board[CASTLING][3] = c;
15059 board[CASTLING][4] = c;
15060 } else { /* white rights */
15061 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15062 if(board[0][i] == WhiteKing) break;
15063 if(i == BOARD_RGHT) break;
15064 board[CASTLING][2] = i;
15065 c -= AAA - 'a' + 'A';
15066 if(board[0][c] >= WhiteKing) break;
15068 board[CASTLING][0] = c;
15070 board[CASTLING][1] = c;
15074 for(i=0; i<nrCastlingRights; i++)
15075 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15076 if (appData.debugMode) {
15077 fprintf(debugFP, "FEN castling rights:");
15078 for(i=0; i<nrCastlingRights; i++)
15079 fprintf(debugFP, " %d", board[CASTLING][i]);
15080 fprintf(debugFP, "\n");
15083 while(*p==' ') p++;
15086 /* read e.p. field in games that know e.p. capture */
15087 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15088 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15090 p++; board[EP_STATUS] = EP_NONE;
15092 char c = *p++ - AAA;
15094 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15095 if(*p >= '0' && *p <='9') p++;
15096 board[EP_STATUS] = c;
15101 if(sscanf(p, "%d", &i) == 1) {
15102 FENrulePlies = i; /* 50-move ply counter */
15103 /* (The move number is still ignored) */
15110 EditPositionPasteFEN(char *fen)
15113 Board initial_position;
15115 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15116 DisplayError(_("Bad FEN position in clipboard"), 0);
15119 int savedBlackPlaysFirst = blackPlaysFirst;
15120 EditPositionEvent();
15121 blackPlaysFirst = savedBlackPlaysFirst;
15122 CopyBoard(boards[0], initial_position);
15123 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15124 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15125 DisplayBothClocks();
15126 DrawPosition(FALSE, boards[currentMove]);
15131 static char cseq[12] = "\\ ";
15133 Boolean set_cont_sequence(char *new_seq)
15138 // handle bad attempts to set the sequence
15140 return 0; // acceptable error - no debug
15142 len = strlen(new_seq);
15143 ret = (len > 0) && (len < sizeof(cseq));
15145 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15146 else if (appData.debugMode)
15147 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15152 reformat a source message so words don't cross the width boundary. internal
15153 newlines are not removed. returns the wrapped size (no null character unless
15154 included in source message). If dest is NULL, only calculate the size required
15155 for the dest buffer. lp argument indicats line position upon entry, and it's
15156 passed back upon exit.
15158 int wrap(char *dest, char *src, int count, int width, int *lp)
15160 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15162 cseq_len = strlen(cseq);
15163 old_line = line = *lp;
15164 ansi = len = clen = 0;
15166 for (i=0; i < count; i++)
15168 if (src[i] == '\033')
15171 // if we hit the width, back up
15172 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15174 // store i & len in case the word is too long
15175 old_i = i, old_len = len;
15177 // find the end of the last word
15178 while (i && src[i] != ' ' && src[i] != '\n')
15184 // word too long? restore i & len before splitting it
15185 if ((old_i-i+clen) >= width)
15192 if (i && src[i-1] == ' ')
15195 if (src[i] != ' ' && src[i] != '\n')
15202 // now append the newline and continuation sequence
15207 strncpy(dest+len, cseq, cseq_len);
15215 dest[len] = src[i];
15219 if (src[i] == '\n')
15224 if (dest && appData.debugMode)
15226 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15227 count, width, line, len, *lp);
15228 show_bytes(debugFP, src, count);
15229 fprintf(debugFP, "\ndest: ");
15230 show_bytes(debugFP, dest, len);
15231 fprintf(debugFP, "\n");
15233 *lp = dest ? line : old_line;
15238 // [HGM] vari: routines for shelving variations
15241 PushTail(int firstMove, int lastMove)
15243 int i, j, nrMoves = lastMove - firstMove;
15245 if(appData.icsActive) { // only in local mode
15246 forwardMostMove = currentMove; // mimic old ICS behavior
15249 if(storedGames >= MAX_VARIATIONS-1) return;
15251 // push current tail of game on stack
15252 savedResult[storedGames] = gameInfo.result;
15253 savedDetails[storedGames] = gameInfo.resultDetails;
15254 gameInfo.resultDetails = NULL;
15255 savedFirst[storedGames] = firstMove;
15256 savedLast [storedGames] = lastMove;
15257 savedFramePtr[storedGames] = framePtr;
15258 framePtr -= nrMoves; // reserve space for the boards
15259 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15260 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15261 for(j=0; j<MOVE_LEN; j++)
15262 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15263 for(j=0; j<2*MOVE_LEN; j++)
15264 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15265 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15266 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15267 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15268 pvInfoList[firstMove+i-1].depth = 0;
15269 commentList[framePtr+i] = commentList[firstMove+i];
15270 commentList[firstMove+i] = NULL;
15274 forwardMostMove = firstMove; // truncate game so we can start variation
15275 if(storedGames == 1) GreyRevert(FALSE);
15279 PopTail(Boolean annotate)
15282 char buf[8000], moveBuf[20];
15284 if(appData.icsActive) return FALSE; // only in local mode
15285 if(!storedGames) return FALSE; // sanity
15286 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15289 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15290 nrMoves = savedLast[storedGames] - currentMove;
15293 if(!WhiteOnMove(currentMove))
15294 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15295 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15296 for(i=currentMove; i<forwardMostMove; i++) {
15298 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15299 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15300 strcat(buf, moveBuf);
15301 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15302 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15306 for(i=1; i<=nrMoves; i++) { // copy last variation back
15307 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15308 for(j=0; j<MOVE_LEN; j++)
15309 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15310 for(j=0; j<2*MOVE_LEN; j++)
15311 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15312 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15313 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15314 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15315 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15316 commentList[currentMove+i] = commentList[framePtr+i];
15317 commentList[framePtr+i] = NULL;
15319 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15320 framePtr = savedFramePtr[storedGames];
15321 gameInfo.result = savedResult[storedGames];
15322 if(gameInfo.resultDetails != NULL) {
15323 free(gameInfo.resultDetails);
15325 gameInfo.resultDetails = savedDetails[storedGames];
15326 forwardMostMove = currentMove + nrMoves;
15327 if(storedGames == 0) GreyRevert(TRUE);
15333 { // remove all shelved variations
15335 for(i=0; i<storedGames; i++) {
15336 if(savedDetails[i])
15337 free(savedDetails[i]);
15338 savedDetails[i] = NULL;
15340 for(i=framePtr; i<MAX_MOVES; i++) {
15341 if(commentList[i]) free(commentList[i]);
15342 commentList[i] = NULL;
15344 framePtr = MAX_MOVES-1;
15349 LoadVariation(int index, char *text)
15350 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15351 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15352 int level = 0, move;
15354 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15355 // first find outermost bracketing variation
15356 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15357 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15358 if(*p == '{') wait = '}'; else
15359 if(*p == '[') wait = ']'; else
15360 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15361 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15363 if(*p == wait) wait = NULLCHAR; // closing ]} found
15366 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15367 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15368 end[1] = NULLCHAR; // clip off comment beyond variation
15369 ToNrEvent(currentMove-1);
15370 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15371 // kludge: use ParsePV() to append variation to game
15372 move = currentMove;
15373 ParsePV(start, TRUE);
15374 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15375 ClearPremoveHighlights();
15377 ToNrEvent(currentMove+1);