2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
315 /* see for example: https://buildsecurityin.us-cert.gov/bsi-rules/home/g1/854-BSI.html
317 * usage: safeStrCpy( stringA, stringB, sizeof(stringA)/sizeof(stringA[0]);
320 assert( dst != NULL );
321 assert( src != NULL );
324 strncpy( dst, src, count );
325 if( dst[ count-1 ] != '\0' )
327 if(appData.debugMode)
328 printf("safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
330 dst[ count-1 ] = '\0';
335 /* Some compiler can't cast u64 to double
336 * This function do the job for us:
338 * We use the highest bit for cast, this only
339 * works if the highest bit is not
340 * in use (This should not happen)
342 * We used this for all compiler
345 u64ToDouble(u64 value)
348 u64 tmp = value & u64Const(0x7fffffffffffffff);
349 r = (double)(s64)tmp;
350 if (value & u64Const(0x8000000000000000))
351 r += 9.2233720368547758080e18; /* 2^63 */
355 /* Fake up flags for now, as we aren't keeping track of castling
356 availability yet. [HGM] Change of logic: the flag now only
357 indicates the type of castlings allowed by the rule of the game.
358 The actual rights themselves are maintained in the array
359 castlingRights, as part of the game history, and are not probed
365 int flags = F_ALL_CASTLE_OK;
366 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
367 switch (gameInfo.variant) {
369 flags &= ~F_ALL_CASTLE_OK;
370 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
371 flags |= F_IGNORE_CHECK;
373 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
376 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
378 case VariantKriegspiel:
379 flags |= F_KRIEGSPIEL_CAPTURE;
381 case VariantCapaRandom:
382 case VariantFischeRandom:
383 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
384 case VariantNoCastle:
385 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP;
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
455 int sending_ICS_login = 0;
456 int sending_ICS_password = 0;
459 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
460 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
461 long timeControl_2; /* [AS] Allow separate time controls */
462 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
463 long timeRemaining[2][MAX_MOVES];
465 TimeMark programStartTime;
466 char ics_handle[MSG_SIZ];
467 int have_set_title = 0;
469 /* animateTraining preserves the state of appData.animate
470 * when Training mode is activated. This allows the
471 * response to be animated when appData.animate == TRUE and
472 * appData.animateDragging == TRUE.
474 Boolean animateTraining;
480 Board boards[MAX_MOVES];
481 /* [HGM] Following 7 needed for accurate legality tests: */
482 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
483 signed char initialRights[BOARD_FILES];
484 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
485 int initialRulePlies, FENrulePlies;
486 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
489 int mute; // mute all sounds
491 // [HGM] vari: next 12 to save and restore variations
492 #define MAX_VARIATIONS 10
493 int framePtr = MAX_MOVES-1; // points to free stack entry
495 int savedFirst[MAX_VARIATIONS];
496 int savedLast[MAX_VARIATIONS];
497 int savedFramePtr[MAX_VARIATIONS];
498 char *savedDetails[MAX_VARIATIONS];
499 ChessMove savedResult[MAX_VARIATIONS];
501 void PushTail P((int firstMove, int lastMove));
502 Boolean PopTail P((Boolean annotate));
503 void CleanupTail P((void));
505 ChessSquare FIDEArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackBishop, BlackKnight, BlackRook }
512 ChessSquare twoKingsArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackKing, BlackKnight, BlackRook }
519 ChessSquare KnightmateArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
521 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
522 { BlackRook, BlackMan, BlackBishop, BlackQueen,
523 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
526 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
530 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
533 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
534 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
535 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
536 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
537 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
540 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
542 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackMan, BlackFerz,
544 BlackKing, BlackMan, BlackKnight, BlackRook }
548 #if (BOARD_FILES>=10)
549 ChessSquare ShogiArray[2][BOARD_FILES] = {
550 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
551 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
552 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
553 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
556 ChessSquare XiangqiArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
558 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
560 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
563 ChessSquare CapablancaArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
565 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
567 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
570 ChessSquare GreatArray[2][BOARD_FILES] = {
571 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
572 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
573 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
574 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
577 ChessSquare JanusArray[2][BOARD_FILES] = {
578 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
579 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
580 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
581 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
585 ChessSquare GothicArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
587 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
589 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
592 #define GothicArray CapablancaArray
596 ChessSquare FalconArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
598 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
600 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
603 #define FalconArray CapablancaArray
606 #else // !(BOARD_FILES>=10)
607 #define XiangqiPosition FIDEArray
608 #define CapablancaArray FIDEArray
609 #define GothicArray FIDEArray
610 #define GreatArray FIDEArray
611 #endif // !(BOARD_FILES>=10)
613 #if (BOARD_FILES>=12)
614 ChessSquare CourierArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
616 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
618 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
620 #else // !(BOARD_FILES>=12)
621 #define CourierArray CapablancaArray
622 #endif // !(BOARD_FILES>=12)
625 Board initialPosition;
628 /* Convert str to a rating. Checks for special cases of "----",
630 "++++", etc. Also strips ()'s */
632 string_to_rating(str)
635 while(*str && !isdigit(*str)) ++str;
637 return 0; /* One of the special "no rating" cases */
645 /* Init programStats */
646 programStats.movelist[0] = 0;
647 programStats.depth = 0;
648 programStats.nr_moves = 0;
649 programStats.moves_left = 0;
650 programStats.nodes = 0;
651 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
652 programStats.score = 0;
653 programStats.got_only_move = 0;
654 programStats.got_fail = 0;
655 programStats.line_is_book = 0;
661 int matched, min, sec;
663 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
664 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
666 GetTimeMark(&programStartTime);
667 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
670 programStats.ok_to_send = 1;
671 programStats.seen_stat = 0;
674 * Initialize game list
680 * Internet chess server status
682 if (appData.icsActive) {
683 appData.matchMode = FALSE;
684 appData.matchGames = 0;
686 appData.noChessProgram = !appData.zippyPlay;
688 appData.zippyPlay = FALSE;
689 appData.zippyTalk = FALSE;
690 appData.noChessProgram = TRUE;
692 if (*appData.icsHelper != NULLCHAR) {
693 appData.useTelnet = TRUE;
694 appData.telnetProgram = appData.icsHelper;
697 appData.zippyTalk = appData.zippyPlay = FALSE;
700 /* [AS] Initialize pv info list [HGM] and game state */
704 for( i=0; i<=framePtr; i++ ) {
705 pvInfoList[i].depth = -1;
706 boards[i][EP_STATUS] = EP_NONE;
707 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
712 * Parse timeControl resource
714 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
715 appData.movesPerSession)) {
717 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
718 DisplayFatalError(buf, 0, 2);
722 * Parse searchTime resource
724 if (*appData.searchTime != NULLCHAR) {
725 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
727 searchTime = min * 60;
728 } else if (matched == 2) {
729 searchTime = min * 60 + sec;
732 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
733 DisplayFatalError(buf, 0, 2);
737 /* [AS] Adjudication threshold */
738 adjudicateLossThreshold = appData.adjudicateLossThreshold;
740 first.which = _("first");
741 second.which = _("second");
742 first.maybeThinking = second.maybeThinking = FALSE;
743 first.pr = second.pr = NoProc;
744 first.isr = second.isr = NULL;
745 first.sendTime = second.sendTime = 2;
746 first.sendDrawOffers = 1;
747 if (appData.firstPlaysBlack) {
748 first.twoMachinesColor = "black\n";
749 second.twoMachinesColor = "white\n";
751 first.twoMachinesColor = "white\n";
752 second.twoMachinesColor = "black\n";
754 first.program = appData.firstChessProgram;
755 second.program = appData.secondChessProgram;
756 first.host = appData.firstHost;
757 second.host = appData.secondHost;
758 first.dir = appData.firstDirectory;
759 second.dir = appData.secondDirectory;
760 first.other = &second;
761 second.other = &first;
762 first.initString = appData.initString;
763 second.initString = appData.secondInitString;
764 first.computerString = appData.firstComputerString;
765 second.computerString = appData.secondComputerString;
766 first.useSigint = second.useSigint = TRUE;
767 first.useSigterm = second.useSigterm = TRUE;
768 first.reuse = appData.reuseFirst;
769 second.reuse = appData.reuseSecond;
770 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
771 second.nps = appData.secondNPS;
772 first.useSetboard = second.useSetboard = FALSE;
773 first.useSAN = second.useSAN = FALSE;
774 first.usePing = second.usePing = FALSE;
775 first.lastPing = second.lastPing = 0;
776 first.lastPong = second.lastPong = 0;
777 first.usePlayother = second.usePlayother = FALSE;
778 first.useColors = second.useColors = TRUE;
779 first.useUsermove = second.useUsermove = FALSE;
780 first.sendICS = second.sendICS = FALSE;
781 first.sendName = second.sendName = appData.icsActive;
782 first.sdKludge = second.sdKludge = FALSE;
783 first.stKludge = second.stKludge = FALSE;
784 TidyProgramName(first.program, first.host, first.tidy);
785 TidyProgramName(second.program, second.host, second.tidy);
786 first.matchWins = second.matchWins = 0;
787 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
788 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
789 first.analysisSupport = second.analysisSupport = 2; /* detect */
790 first.analyzing = second.analyzing = FALSE;
791 first.initDone = second.initDone = FALSE;
793 /* New features added by Tord: */
794 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
795 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
796 /* End of new features added by Tord. */
797 first.fenOverride = appData.fenOverride1;
798 second.fenOverride = appData.fenOverride2;
800 /* [HGM] time odds: set factor for each machine */
801 first.timeOdds = appData.firstTimeOdds;
802 second.timeOdds = appData.secondTimeOdds;
804 if(appData.timeOddsMode) {
805 norm = first.timeOdds;
806 if(norm > second.timeOdds) norm = second.timeOdds;
808 first.timeOdds /= norm;
809 second.timeOdds /= norm;
812 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
813 first.accumulateTC = appData.firstAccumulateTC;
814 second.accumulateTC = appData.secondAccumulateTC;
815 first.maxNrOfSessions = second.maxNrOfSessions = 1;
818 first.debug = second.debug = FALSE;
819 first.supportsNPS = second.supportsNPS = UNKNOWN;
822 first.optionSettings = appData.firstOptions;
823 second.optionSettings = appData.secondOptions;
825 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
826 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
827 first.isUCI = appData.firstIsUCI; /* [AS] */
828 second.isUCI = appData.secondIsUCI; /* [AS] */
829 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
830 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
832 if (appData.firstProtocolVersion > PROTOVER
833 || appData.firstProtocolVersion < 1)
838 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
839 appData.firstProtocolVersion);
840 if( (len > MSG_SIZ) && appData.debugMode )
841 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
843 DisplayFatalError(buf, 0, 2);
847 first.protocolVersion = appData.firstProtocolVersion;
850 if (appData.secondProtocolVersion > PROTOVER
851 || appData.secondProtocolVersion < 1)
856 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
857 appData.secondProtocolVersion);
858 if( (len > MSG_SIZ) && appData.debugMode )
859 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
861 DisplayFatalError(buf, 0, 2);
865 second.protocolVersion = appData.secondProtocolVersion;
868 if (appData.icsActive) {
869 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
870 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
871 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
872 appData.clockMode = FALSE;
873 first.sendTime = second.sendTime = 0;
877 /* Override some settings from environment variables, for backward
878 compatibility. Unfortunately it's not feasible to have the env
879 vars just set defaults, at least in xboard. Ugh.
881 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
886 if (appData.noChessProgram) {
887 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
888 sprintf(programVersion, "%s", PACKAGE_STRING);
890 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
891 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
892 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
895 if (!appData.icsActive) {
899 /* Check for variants that are supported only in ICS mode,
900 or not at all. Some that are accepted here nevertheless
901 have bugs; see comments below.
903 VariantClass variant = StringToVariant(appData.variant);
905 case VariantBughouse: /* need four players and two boards */
906 case VariantKriegspiel: /* need to hide pieces and move details */
907 /* case VariantFischeRandom: (Fabien: moved below) */
908 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
909 if( (len > MSG_SIZ) && appData.debugMode )
910 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
912 DisplayFatalError(buf, 0, 2);
916 case VariantLoadable:
926 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
927 if( (len > MSG_SIZ) && appData.debugMode )
928 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
930 DisplayFatalError(buf, 0, 2);
933 case VariantXiangqi: /* [HGM] repetition rules not implemented */
934 case VariantFairy: /* [HGM] TestLegality definitely off! */
935 case VariantGothic: /* [HGM] should work */
936 case VariantCapablanca: /* [HGM] should work */
937 case VariantCourier: /* [HGM] initial forced moves not implemented */
938 case VariantShogi: /* [HGM] could still mate with pawn drop */
939 case VariantKnightmate: /* [HGM] should work */
940 case VariantCylinder: /* [HGM] untested */
941 case VariantFalcon: /* [HGM] untested */
942 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
943 offboard interposition not understood */
944 case VariantNormal: /* definitely works! */
945 case VariantWildCastle: /* pieces not automatically shuffled */
946 case VariantNoCastle: /* pieces not automatically shuffled */
947 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
948 case VariantLosers: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantSuicide: /* should work except for win condition,
951 and doesn't know captures are mandatory */
952 case VariantGiveaway: /* should work except for win condition,
953 and doesn't know captures are mandatory */
954 case VariantTwoKings: /* should work */
955 case VariantAtomic: /* should work except for win condition */
956 case Variant3Check: /* should work except for win condition */
957 case VariantShatranj: /* should work except for all win conditions */
958 case VariantMakruk: /* should work except for daw countdown */
959 case VariantBerolina: /* might work if TestLegality is off */
960 case VariantCapaRandom: /* should work */
961 case VariantJanus: /* should work */
962 case VariantSuper: /* experimental */
963 case VariantGreat: /* experimental, requires legality testing to be off */
968 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
969 InitEngineUCI( installDir, &second );
972 int NextIntegerFromString( char ** str, long * value )
977 while( *s == ' ' || *s == '\t' ) {
983 if( *s >= '0' && *s <= '9' ) {
984 while( *s >= '0' && *s <= '9' ) {
985 *value = *value * 10 + (*s - '0');
997 int NextTimeControlFromString( char ** str, long * value )
1000 int result = NextIntegerFromString( str, &temp );
1003 *value = temp * 60; /* Minutes */
1004 if( **str == ':' ) {
1006 result = NextIntegerFromString( str, &temp );
1007 *value += temp; /* Seconds */
1014 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1015 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1016 int result = -1, type = 0; long temp, temp2;
1018 if(**str != ':') return -1; // old params remain in force!
1020 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1021 if( NextIntegerFromString( str, &temp ) ) return -1;
1022 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1025 /* time only: incremental or sudden-death time control */
1026 if(**str == '+') { /* increment follows; read it */
1028 if(**str == '!') type = *(*str)++; // Bronstein TC
1029 if(result = NextIntegerFromString( str, &temp2)) return -1;
1030 *inc = temp2 * 1000;
1031 if(**str == '.') { // read fraction of increment
1032 char *start = ++(*str);
1033 if(result = NextIntegerFromString( str, &temp2)) return -1;
1035 while(start++ < *str) temp2 /= 10;
1039 *moves = 0; *tc = temp * 1000; *incType = type;
1043 (*str)++; /* classical time control */
1044 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1055 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1056 { /* [HGM] get time to add from the multi-session time-control string */
1057 int incType, moves=1; /* kludge to force reading of first session */
1058 long time, increment;
1061 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1062 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1064 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1065 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1066 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1067 if(movenr == -1) return time; /* last move before new session */
1068 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1069 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1070 if(!moves) return increment; /* current session is incremental */
1071 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1072 } while(movenr >= -1); /* try again for next session */
1074 return 0; // no new time quota on this move
1078 ParseTimeControl(tc, ti, mps)
1085 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1088 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1089 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1090 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1094 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1096 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1099 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1101 snprintf(buf, MSG_SIZ, ":%s", mytc);
1103 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1105 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1110 /* Parse second time control */
1113 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1121 timeControl_2 = tc2 * 1000;
1131 timeControl = tc1 * 1000;
1134 timeIncrement = ti * 1000; /* convert to ms */
1135 movesPerSession = 0;
1138 movesPerSession = mps;
1146 if (appData.debugMode) {
1147 fprintf(debugFP, "%s\n", programVersion);
1150 set_cont_sequence(appData.wrapContSeq);
1151 if (appData.matchGames > 0) {
1152 appData.matchMode = TRUE;
1153 } else if (appData.matchMode) {
1154 appData.matchGames = 1;
1156 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1157 appData.matchGames = appData.sameColorGames;
1158 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1159 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1160 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1163 if (appData.noChessProgram || first.protocolVersion == 1) {
1166 /* kludge: allow timeout for initial "feature" commands */
1168 DisplayMessage("", _("Starting chess program"));
1169 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1174 InitBackEnd3 P((void))
1176 GameMode initialMode;
1180 InitChessProgram(&first, startedFromSetupPosition);
1182 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1183 free(programVersion);
1184 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1185 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1188 if (appData.icsActive) {
1190 /* [DM] Make a console window if needed [HGM] merged ifs */
1196 if (*appData.icsCommPort != NULLCHAR)
1197 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1198 appData.icsCommPort);
1200 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1201 appData.icsHost, appData.icsPort);
1203 if( (len > MSG_SIZ) && appData.debugMode )
1204 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1206 DisplayFatalError(buf, err, 1);
1211 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1213 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1214 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1215 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1216 } else if (appData.noChessProgram) {
1222 if (*appData.cmailGameName != NULLCHAR) {
1224 OpenLoopback(&cmailPR);
1226 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1230 DisplayMessage("", "");
1231 if (StrCaseCmp(appData.initialMode, "") == 0) {
1232 initialMode = BeginningOfGame;
1233 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1234 initialMode = TwoMachinesPlay;
1235 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1236 initialMode = AnalyzeFile;
1237 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1238 initialMode = AnalyzeMode;
1239 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1240 initialMode = MachinePlaysWhite;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1242 initialMode = MachinePlaysBlack;
1243 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1244 initialMode = EditGame;
1245 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1246 initialMode = EditPosition;
1247 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1248 initialMode = Training;
1250 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1251 if( (len > MSG_SIZ) && appData.debugMode )
1252 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1254 DisplayFatalError(buf, 0, 2);
1258 if (appData.matchMode) {
1259 /* Set up machine vs. machine match */
1260 if (appData.noChessProgram) {
1261 DisplayFatalError(_("Can't have a match with no chess programs"),
1267 if (*appData.loadGameFile != NULLCHAR) {
1268 int index = appData.loadGameIndex; // [HGM] autoinc
1269 if(index<0) lastIndex = index = 1;
1270 if (!LoadGameFromFile(appData.loadGameFile,
1272 appData.loadGameFile, FALSE)) {
1273 DisplayFatalError(_("Bad game file"), 0, 1);
1276 } else if (*appData.loadPositionFile != NULLCHAR) {
1277 int index = appData.loadPositionIndex; // [HGM] autoinc
1278 if(index<0) lastIndex = index = 1;
1279 if (!LoadPositionFromFile(appData.loadPositionFile,
1281 appData.loadPositionFile)) {
1282 DisplayFatalError(_("Bad position file"), 0, 1);
1287 } else if (*appData.cmailGameName != NULLCHAR) {
1288 /* Set up cmail mode */
1289 ReloadCmailMsgEvent(TRUE);
1291 /* Set up other modes */
1292 if (initialMode == AnalyzeFile) {
1293 if (*appData.loadGameFile == NULLCHAR) {
1294 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1298 if (*appData.loadGameFile != NULLCHAR) {
1299 (void) LoadGameFromFile(appData.loadGameFile,
1300 appData.loadGameIndex,
1301 appData.loadGameFile, TRUE);
1302 } else if (*appData.loadPositionFile != NULLCHAR) {
1303 (void) LoadPositionFromFile(appData.loadPositionFile,
1304 appData.loadPositionIndex,
1305 appData.loadPositionFile);
1306 /* [HGM] try to make self-starting even after FEN load */
1307 /* to allow automatic setup of fairy variants with wtm */
1308 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1309 gameMode = BeginningOfGame;
1310 setboardSpoiledMachineBlack = 1;
1312 /* [HGM] loadPos: make that every new game uses the setup */
1313 /* from file as long as we do not switch variant */
1314 if(!blackPlaysFirst) {
1315 startedFromPositionFile = TRUE;
1316 CopyBoard(filePosition, boards[0]);
1319 if (initialMode == AnalyzeMode) {
1320 if (appData.noChessProgram) {
1321 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1324 if (appData.icsActive) {
1325 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1329 } else if (initialMode == AnalyzeFile) {
1330 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1331 ShowThinkingEvent();
1333 AnalysisPeriodicEvent(1);
1334 } else if (initialMode == MachinePlaysWhite) {
1335 if (appData.noChessProgram) {
1336 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1340 if (appData.icsActive) {
1341 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1345 MachineWhiteEvent();
1346 } else if (initialMode == MachinePlaysBlack) {
1347 if (appData.noChessProgram) {
1348 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1352 if (appData.icsActive) {
1353 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1357 MachineBlackEvent();
1358 } else if (initialMode == TwoMachinesPlay) {
1359 if (appData.noChessProgram) {
1360 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1364 if (appData.icsActive) {
1365 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1370 } else if (initialMode == EditGame) {
1372 } else if (initialMode == EditPosition) {
1373 EditPositionEvent();
1374 } else if (initialMode == Training) {
1375 if (*appData.loadGameFile == NULLCHAR) {
1376 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1385 * Establish will establish a contact to a remote host.port.
1386 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1387 * used to talk to the host.
1388 * Returns 0 if okay, error code if not.
1395 if (*appData.icsCommPort != NULLCHAR) {
1396 /* Talk to the host through a serial comm port */
1397 return OpenCommPort(appData.icsCommPort, &icsPR);
1399 } else if (*appData.gateway != NULLCHAR) {
1400 if (*appData.remoteShell == NULLCHAR) {
1401 /* Use the rcmd protocol to run telnet program on a gateway host */
1402 snprintf(buf, sizeof(buf), "%s %s %s",
1403 appData.telnetProgram, appData.icsHost, appData.icsPort);
1404 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1407 /* Use the rsh program to run telnet program on a gateway host */
1408 if (*appData.remoteUser == NULLCHAR) {
1409 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1410 appData.gateway, appData.telnetProgram,
1411 appData.icsHost, appData.icsPort);
1413 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1414 appData.remoteShell, appData.gateway,
1415 appData.remoteUser, appData.telnetProgram,
1416 appData.icsHost, appData.icsPort);
1418 return StartChildProcess(buf, "", &icsPR);
1421 } else if (appData.useTelnet) {
1422 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1425 /* TCP socket interface differs somewhat between
1426 Unix and NT; handle details in the front end.
1428 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1432 void EscapeExpand(char *p, char *q)
1433 { // [HGM] initstring: routine to shape up string arguments
1434 while(*p++ = *q++) if(p[-1] == '\\')
1436 case 'n': p[-1] = '\n'; break;
1437 case 'r': p[-1] = '\r'; break;
1438 case 't': p[-1] = '\t'; break;
1439 case '\\': p[-1] = '\\'; break;
1440 case 0: *p = 0; return;
1441 default: p[-1] = q[-1]; break;
1446 show_bytes(fp, buf, count)
1452 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1453 fprintf(fp, "\\%03o", *buf & 0xff);
1462 /* Returns an errno value */
1464 OutputMaybeTelnet(pr, message, count, outError)
1470 char buf[8192], *p, *q, *buflim;
1471 int left, newcount, outcount;
1473 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1474 *appData.gateway != NULLCHAR) {
1475 if (appData.debugMode) {
1476 fprintf(debugFP, ">ICS: ");
1477 show_bytes(debugFP, message, count);
1478 fprintf(debugFP, "\n");
1480 return OutputToProcess(pr, message, count, outError);
1483 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1490 if (appData.debugMode) {
1491 fprintf(debugFP, ">ICS: ");
1492 show_bytes(debugFP, buf, newcount);
1493 fprintf(debugFP, "\n");
1495 outcount = OutputToProcess(pr, buf, newcount, outError);
1496 if (outcount < newcount) return -1; /* to be sure */
1503 } else if (((unsigned char) *p) == TN_IAC) {
1504 *q++ = (char) TN_IAC;
1511 if (appData.debugMode) {
1512 fprintf(debugFP, ">ICS: ");
1513 show_bytes(debugFP, buf, newcount);
1514 fprintf(debugFP, "\n");
1516 outcount = OutputToProcess(pr, buf, newcount, outError);
1517 if (outcount < newcount) return -1; /* to be sure */
1522 read_from_player(isr, closure, message, count, error)
1529 int outError, outCount;
1530 static int gotEof = 0;
1532 /* Pass data read from player on to ICS */
1535 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1536 if (outCount < count) {
1537 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1539 } else if (count < 0) {
1540 RemoveInputSource(isr);
1541 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1542 } else if (gotEof++ > 0) {
1543 RemoveInputSource(isr);
1544 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1550 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1551 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1552 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1553 SendToICS("date\n");
1554 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1557 /* added routine for printf style output to ics */
1558 void ics_printf(char *format, ...)
1560 char buffer[MSG_SIZ];
1563 va_start(args, format);
1564 vsnprintf(buffer, sizeof(buffer), format, args);
1565 buffer[sizeof(buffer)-1] = '\0';
1574 int count, outCount, outError;
1576 if (icsPR == NULL) return;
1579 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1580 if (outCount < count) {
1581 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1585 /* This is used for sending logon scripts to the ICS. Sending
1586 without a delay causes problems when using timestamp on ICC
1587 (at least on my machine). */
1589 SendToICSDelayed(s,msdelay)
1593 int count, outCount, outError;
1595 if (icsPR == NULL) return;
1598 if (appData.debugMode) {
1599 fprintf(debugFP, ">ICS: ");
1600 show_bytes(debugFP, s, count);
1601 fprintf(debugFP, "\n");
1603 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1605 if (outCount < count) {
1606 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1611 /* Remove all highlighting escape sequences in s
1612 Also deletes any suffix starting with '('
1615 StripHighlightAndTitle(s)
1618 static char retbuf[MSG_SIZ];
1621 while (*s != NULLCHAR) {
1622 while (*s == '\033') {
1623 while (*s != NULLCHAR && !isalpha(*s)) s++;
1624 if (*s != NULLCHAR) s++;
1626 while (*s != NULLCHAR && *s != '\033') {
1627 if (*s == '(' || *s == '[') {
1638 /* Remove all highlighting escape sequences in s */
1643 static char retbuf[MSG_SIZ];
1646 while (*s != NULLCHAR) {
1647 while (*s == '\033') {
1648 while (*s != NULLCHAR && !isalpha(*s)) s++;
1649 if (*s != NULLCHAR) s++;
1651 while (*s != NULLCHAR && *s != '\033') {
1659 char *variantNames[] = VARIANT_NAMES;
1664 return variantNames[v];
1668 /* Identify a variant from the strings the chess servers use or the
1669 PGN Variant tag names we use. */
1676 VariantClass v = VariantNormal;
1677 int i, found = FALSE;
1683 /* [HGM] skip over optional board-size prefixes */
1684 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1685 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1686 while( *e++ != '_');
1689 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1693 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1694 if (StrCaseStr(e, variantNames[i])) {
1695 v = (VariantClass) i;
1702 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1703 || StrCaseStr(e, "wild/fr")
1704 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1705 v = VariantFischeRandom;
1706 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1707 (i = 1, p = StrCaseStr(e, "w"))) {
1709 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1716 case 0: /* FICS only, actually */
1718 /* Castling legal even if K starts on d-file */
1719 v = VariantWildCastle;
1724 /* Castling illegal even if K & R happen to start in
1725 normal positions. */
1726 v = VariantNoCastle;
1739 /* Castling legal iff K & R start in normal positions */
1745 /* Special wilds for position setup; unclear what to do here */
1746 v = VariantLoadable;
1749 /* Bizarre ICC game */
1750 v = VariantTwoKings;
1753 v = VariantKriegspiel;
1759 v = VariantFischeRandom;
1762 v = VariantCrazyhouse;
1765 v = VariantBughouse;
1771 /* Not quite the same as FICS suicide! */
1772 v = VariantGiveaway;
1778 v = VariantShatranj;
1781 /* Temporary names for future ICC types. The name *will* change in
1782 the next xboard/WinBoard release after ICC defines it. */
1820 v = VariantCapablanca;
1823 v = VariantKnightmate;
1829 v = VariantCylinder;
1835 v = VariantCapaRandom;
1838 v = VariantBerolina;
1850 /* Found "wild" or "w" in the string but no number;
1851 must assume it's normal chess. */
1855 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1856 if( (len > MSG_SIZ) && appData.debugMode )
1857 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1859 DisplayError(buf, 0);
1865 if (appData.debugMode) {
1866 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1867 e, wnum, VariantName(v));
1872 static int leftover_start = 0, leftover_len = 0;
1873 char star_match[STAR_MATCH_N][MSG_SIZ];
1875 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1876 advance *index beyond it, and set leftover_start to the new value of
1877 *index; else return FALSE. If pattern contains the character '*', it
1878 matches any sequence of characters not containing '\r', '\n', or the
1879 character following the '*' (if any), and the matched sequence(s) are
1880 copied into star_match.
1883 looking_at(buf, index, pattern)
1888 char *bufp = &buf[*index], *patternp = pattern;
1890 char *matchp = star_match[0];
1893 if (*patternp == NULLCHAR) {
1894 *index = leftover_start = bufp - buf;
1898 if (*bufp == NULLCHAR) return FALSE;
1899 if (*patternp == '*') {
1900 if (*bufp == *(patternp + 1)) {
1902 matchp = star_match[++star_count];
1906 } else if (*bufp == '\n' || *bufp == '\r') {
1908 if (*patternp == NULLCHAR)
1913 *matchp++ = *bufp++;
1917 if (*patternp != *bufp) return FALSE;
1924 SendToPlayer(data, length)
1928 int error, outCount;
1929 outCount = OutputToProcess(NoProc, data, length, &error);
1930 if (outCount < length) {
1931 DisplayFatalError(_("Error writing to display"), error, 1);
1936 PackHolding(packed, holding)
1948 switch (runlength) {
1959 sprintf(q, "%d", runlength);
1971 /* Telnet protocol requests from the front end */
1973 TelnetRequest(ddww, option)
1974 unsigned char ddww, option;
1976 unsigned char msg[3];
1977 int outCount, outError;
1979 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1981 if (appData.debugMode) {
1982 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1998 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2007 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2010 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2015 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2017 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2024 if (!appData.icsActive) return;
2025 TelnetRequest(TN_DO, TN_ECHO);
2031 if (!appData.icsActive) return;
2032 TelnetRequest(TN_DONT, TN_ECHO);
2036 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2038 /* put the holdings sent to us by the server on the board holdings area */
2039 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2043 if(gameInfo.holdingsWidth < 2) return;
2044 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2045 return; // prevent overwriting by pre-board holdings
2047 if( (int)lowestPiece >= BlackPawn ) {
2050 holdingsStartRow = BOARD_HEIGHT-1;
2053 holdingsColumn = BOARD_WIDTH-1;
2054 countsColumn = BOARD_WIDTH-2;
2055 holdingsStartRow = 0;
2059 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2060 board[i][holdingsColumn] = EmptySquare;
2061 board[i][countsColumn] = (ChessSquare) 0;
2063 while( (p=*holdings++) != NULLCHAR ) {
2064 piece = CharToPiece( ToUpper(p) );
2065 if(piece == EmptySquare) continue;
2066 /*j = (int) piece - (int) WhitePawn;*/
2067 j = PieceToNumber(piece);
2068 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2069 if(j < 0) continue; /* should not happen */
2070 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2071 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2072 board[holdingsStartRow+j*direction][countsColumn]++;
2078 VariantSwitch(Board board, VariantClass newVariant)
2080 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2081 static Board oldBoard;
2083 startedFromPositionFile = FALSE;
2084 if(gameInfo.variant == newVariant) return;
2086 /* [HGM] This routine is called each time an assignment is made to
2087 * gameInfo.variant during a game, to make sure the board sizes
2088 * are set to match the new variant. If that means adding or deleting
2089 * holdings, we shift the playing board accordingly
2090 * This kludge is needed because in ICS observe mode, we get boards
2091 * of an ongoing game without knowing the variant, and learn about the
2092 * latter only later. This can be because of the move list we requested,
2093 * in which case the game history is refilled from the beginning anyway,
2094 * but also when receiving holdings of a crazyhouse game. In the latter
2095 * case we want to add those holdings to the already received position.
2099 if (appData.debugMode) {
2100 fprintf(debugFP, "Switch board from %s to %s\n",
2101 VariantName(gameInfo.variant), VariantName(newVariant));
2102 setbuf(debugFP, NULL);
2104 shuffleOpenings = 0; /* [HGM] shuffle */
2105 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2109 newWidth = 9; newHeight = 9;
2110 gameInfo.holdingsSize = 7;
2111 case VariantBughouse:
2112 case VariantCrazyhouse:
2113 newHoldingsWidth = 2; break;
2117 newHoldingsWidth = 2;
2118 gameInfo.holdingsSize = 8;
2121 case VariantCapablanca:
2122 case VariantCapaRandom:
2125 newHoldingsWidth = gameInfo.holdingsSize = 0;
2128 if(newWidth != gameInfo.boardWidth ||
2129 newHeight != gameInfo.boardHeight ||
2130 newHoldingsWidth != gameInfo.holdingsWidth ) {
2132 /* shift position to new playing area, if needed */
2133 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2134 for(i=0; i<BOARD_HEIGHT; i++)
2135 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2136 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2138 for(i=0; i<newHeight; i++) {
2139 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2140 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2142 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2143 for(i=0; i<BOARD_HEIGHT; i++)
2144 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2145 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2148 gameInfo.boardWidth = newWidth;
2149 gameInfo.boardHeight = newHeight;
2150 gameInfo.holdingsWidth = newHoldingsWidth;
2151 gameInfo.variant = newVariant;
2152 InitDrawingSizes(-2, 0);
2153 } else gameInfo.variant = newVariant;
2154 CopyBoard(oldBoard, board); // remember correctly formatted board
2155 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2156 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2159 static int loggedOn = FALSE;
2161 /*-- Game start info cache: --*/
2163 char gs_kind[MSG_SIZ];
2164 static char player1Name[128] = "";
2165 static char player2Name[128] = "";
2166 static char cont_seq[] = "\n\\ ";
2167 static int player1Rating = -1;
2168 static int player2Rating = -1;
2169 /*----------------------------*/
2171 ColorClass curColor = ColorNormal;
2172 int suppressKibitz = 0;
2175 Boolean soughtPending = FALSE;
2176 Boolean seekGraphUp;
2177 #define MAX_SEEK_ADS 200
2179 char *seekAdList[MAX_SEEK_ADS];
2180 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2181 float tcList[MAX_SEEK_ADS];
2182 char colorList[MAX_SEEK_ADS];
2183 int nrOfSeekAds = 0;
2184 int minRating = 1010, maxRating = 2800;
2185 int hMargin = 10, vMargin = 20, h, w;
2186 extern int squareSize, lineGap;
2191 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2192 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2193 if(r < minRating+100 && r >=0 ) r = minRating+100;
2194 if(r > maxRating) r = maxRating;
2195 if(tc < 1.) tc = 1.;
2196 if(tc > 95.) tc = 95.;
2197 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2198 y = ((double)r - minRating)/(maxRating - minRating)
2199 * (h-vMargin-squareSize/8-1) + vMargin;
2200 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2201 if(strstr(seekAdList[i], " u ")) color = 1;
2202 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2203 !strstr(seekAdList[i], "bullet") &&
2204 !strstr(seekAdList[i], "blitz") &&
2205 !strstr(seekAdList[i], "standard") ) color = 2;
2206 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2207 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2211 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2213 char buf[MSG_SIZ], *ext = "";
2214 VariantClass v = StringToVariant(type);
2215 if(strstr(type, "wild")) {
2216 ext = type + 4; // append wild number
2217 if(v == VariantFischeRandom) type = "chess960"; else
2218 if(v == VariantLoadable) type = "setup"; else
2219 type = VariantName(v);
2221 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2222 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2223 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2224 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2225 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2226 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2227 seekNrList[nrOfSeekAds] = nr;
2228 zList[nrOfSeekAds] = 0;
2229 seekAdList[nrOfSeekAds++] = StrSave(buf);
2230 if(plot) PlotSeekAd(nrOfSeekAds-1);
2237 int x = xList[i], y = yList[i], d=squareSize/4, k;
2238 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2239 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2240 // now replot every dot that overlapped
2241 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2242 int xx = xList[k], yy = yList[k];
2243 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2244 DrawSeekDot(xx, yy, colorList[k]);
2249 RemoveSeekAd(int nr)
2252 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2254 if(seekAdList[i]) free(seekAdList[i]);
2255 seekAdList[i] = seekAdList[--nrOfSeekAds];
2256 seekNrList[i] = seekNrList[nrOfSeekAds];
2257 ratingList[i] = ratingList[nrOfSeekAds];
2258 colorList[i] = colorList[nrOfSeekAds];
2259 tcList[i] = tcList[nrOfSeekAds];
2260 xList[i] = xList[nrOfSeekAds];
2261 yList[i] = yList[nrOfSeekAds];
2262 zList[i] = zList[nrOfSeekAds];
2263 seekAdList[nrOfSeekAds] = NULL;
2269 MatchSoughtLine(char *line)
2271 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2272 int nr, base, inc, u=0; char dummy;
2274 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2275 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2277 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2278 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2279 // match: compact and save the line
2280 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2290 if(!seekGraphUp) return FALSE;
2291 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2292 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2294 DrawSeekBackground(0, 0, w, h);
2295 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2296 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2297 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2298 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2300 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2303 snprintf(buf, MSG_SIZ, "%d", i);
2304 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2307 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2308 for(i=1; i<100; i+=(i<10?1:5)) {
2309 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2310 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2311 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2313 snprintf(buf, MSG_SIZ, "%d", i);
2314 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2317 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2321 int SeekGraphClick(ClickType click, int x, int y, int moving)
2323 static int lastDown = 0, displayed = 0, lastSecond;
2324 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2325 if(click == Release || moving) return FALSE;
2327 soughtPending = TRUE;
2328 SendToICS(ics_prefix);
2329 SendToICS("sought\n"); // should this be "sought all"?
2330 } else { // issue challenge based on clicked ad
2331 int dist = 10000; int i, closest = 0, second = 0;
2332 for(i=0; i<nrOfSeekAds; i++) {
2333 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2334 if(d < dist) { dist = d; closest = i; }
2335 second += (d - zList[i] < 120); // count in-range ads
2336 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2340 second = (second > 1);
2341 if(displayed != closest || second != lastSecond) {
2342 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2343 lastSecond = second; displayed = closest;
2345 if(click == Press) {
2346 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2349 } // on press 'hit', only show info
2350 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2351 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2352 SendToICS(ics_prefix);
2354 return TRUE; // let incoming board of started game pop down the graph
2355 } else if(click == Release) { // release 'miss' is ignored
2356 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2357 if(moving == 2) { // right up-click
2358 nrOfSeekAds = 0; // refresh graph
2359 soughtPending = TRUE;
2360 SendToICS(ics_prefix);
2361 SendToICS("sought\n"); // should this be "sought all"?
2364 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2365 // press miss or release hit 'pop down' seek graph
2366 seekGraphUp = FALSE;
2367 DrawPosition(TRUE, NULL);
2373 read_from_ics(isr, closure, data, count, error)
2380 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2381 #define STARTED_NONE 0
2382 #define STARTED_MOVES 1
2383 #define STARTED_BOARD 2
2384 #define STARTED_OBSERVE 3
2385 #define STARTED_HOLDINGS 4
2386 #define STARTED_CHATTER 5
2387 #define STARTED_COMMENT 6
2388 #define STARTED_MOVES_NOHIDE 7
2390 static int started = STARTED_NONE;
2391 static char parse[20000];
2392 static int parse_pos = 0;
2393 static char buf[BUF_SIZE + 1];
2394 static int firstTime = TRUE, intfSet = FALSE;
2395 static ColorClass prevColor = ColorNormal;
2396 static int savingComment = FALSE;
2397 static int cmatch = 0; // continuation sequence match
2404 int backup; /* [DM] For zippy color lines */
2406 char talker[MSG_SIZ]; // [HGM] chat
2409 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2411 if (appData.debugMode) {
2413 fprintf(debugFP, "<ICS: ");
2414 show_bytes(debugFP, data, count);
2415 fprintf(debugFP, "\n");
2419 if (appData.debugMode) { int f = forwardMostMove;
2420 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2421 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2422 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2425 /* If last read ended with a partial line that we couldn't parse,
2426 prepend it to the new read and try again. */
2427 if (leftover_len > 0) {
2428 for (i=0; i<leftover_len; i++)
2429 buf[i] = buf[leftover_start + i];
2432 /* copy new characters into the buffer */
2433 bp = buf + leftover_len;
2434 buf_len=leftover_len;
2435 for (i=0; i<count; i++)
2438 if (data[i] == '\r')
2441 // join lines split by ICS?
2442 if (!appData.noJoin)
2445 Joining just consists of finding matches against the
2446 continuation sequence, and discarding that sequence
2447 if found instead of copying it. So, until a match
2448 fails, there's nothing to do since it might be the
2449 complete sequence, and thus, something we don't want
2452 if (data[i] == cont_seq[cmatch])
2455 if (cmatch == strlen(cont_seq))
2457 cmatch = 0; // complete match. just reset the counter
2460 it's possible for the ICS to not include the space
2461 at the end of the last word, making our [correct]
2462 join operation fuse two separate words. the server
2463 does this when the space occurs at the width setting.
2465 if (!buf_len || buf[buf_len-1] != ' ')
2476 match failed, so we have to copy what matched before
2477 falling through and copying this character. In reality,
2478 this will only ever be just the newline character, but
2479 it doesn't hurt to be precise.
2481 strncpy(bp, cont_seq, cmatch);
2493 buf[buf_len] = NULLCHAR;
2494 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2499 while (i < buf_len) {
2500 /* Deal with part of the TELNET option negotiation
2501 protocol. We refuse to do anything beyond the
2502 defaults, except that we allow the WILL ECHO option,
2503 which ICS uses to turn off password echoing when we are
2504 directly connected to it. We reject this option
2505 if localLineEditing mode is on (always on in xboard)
2506 and we are talking to port 23, which might be a real
2507 telnet server that will try to keep WILL ECHO on permanently.
2509 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2510 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2511 unsigned char option;
2513 switch ((unsigned char) buf[++i]) {
2515 if (appData.debugMode)
2516 fprintf(debugFP, "\n<WILL ");
2517 switch (option = (unsigned char) buf[++i]) {
2519 if (appData.debugMode)
2520 fprintf(debugFP, "ECHO ");
2521 /* Reply only if this is a change, according
2522 to the protocol rules. */
2523 if (remoteEchoOption) break;
2524 if (appData.localLineEditing &&
2525 atoi(appData.icsPort) == TN_PORT) {
2526 TelnetRequest(TN_DONT, TN_ECHO);
2529 TelnetRequest(TN_DO, TN_ECHO);
2530 remoteEchoOption = TRUE;
2534 if (appData.debugMode)
2535 fprintf(debugFP, "%d ", option);
2536 /* Whatever this is, we don't want it. */
2537 TelnetRequest(TN_DONT, option);
2542 if (appData.debugMode)
2543 fprintf(debugFP, "\n<WONT ");
2544 switch (option = (unsigned char) buf[++i]) {
2546 if (appData.debugMode)
2547 fprintf(debugFP, "ECHO ");
2548 /* Reply only if this is a change, according
2549 to the protocol rules. */
2550 if (!remoteEchoOption) break;
2552 TelnetRequest(TN_DONT, TN_ECHO);
2553 remoteEchoOption = FALSE;
2556 if (appData.debugMode)
2557 fprintf(debugFP, "%d ", (unsigned char) option);
2558 /* Whatever this is, it must already be turned
2559 off, because we never agree to turn on
2560 anything non-default, so according to the
2561 protocol rules, we don't reply. */
2566 if (appData.debugMode)
2567 fprintf(debugFP, "\n<DO ");
2568 switch (option = (unsigned char) buf[++i]) {
2570 /* Whatever this is, we refuse to do it. */
2571 if (appData.debugMode)
2572 fprintf(debugFP, "%d ", option);
2573 TelnetRequest(TN_WONT, option);
2578 if (appData.debugMode)
2579 fprintf(debugFP, "\n<DONT ");
2580 switch (option = (unsigned char) buf[++i]) {
2582 if (appData.debugMode)
2583 fprintf(debugFP, "%d ", option);
2584 /* Whatever this is, we are already not doing
2585 it, because we never agree to do anything
2586 non-default, so according to the protocol
2587 rules, we don't reply. */
2592 if (appData.debugMode)
2593 fprintf(debugFP, "\n<IAC ");
2594 /* Doubled IAC; pass it through */
2598 if (appData.debugMode)
2599 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2600 /* Drop all other telnet commands on the floor */
2603 if (oldi > next_out)
2604 SendToPlayer(&buf[next_out], oldi - next_out);
2610 /* OK, this at least will *usually* work */
2611 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2615 if (loggedOn && !intfSet) {
2616 if (ics_type == ICS_ICC) {
2617 snprintf(str, MSG_SIZ,
2618 "/set-quietly interface %s\n/set-quietly style 12\n",
2620 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2621 strcat(str, "/set-2 51 1\n/set seek 1\n");
2622 } else if (ics_type == ICS_CHESSNET) {
2623 snprintf(str, MSG_SIZ, "/style 12\n");
2625 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2626 strcat(str, programVersion);
2627 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2628 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2629 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2631 strcat(str, "$iset nohighlight 1\n");
2633 strcat(str, "$iset lock 1\n$style 12\n");
2636 NotifyFrontendLogin();
2640 if (started == STARTED_COMMENT) {
2641 /* Accumulate characters in comment */
2642 parse[parse_pos++] = buf[i];
2643 if (buf[i] == '\n') {
2644 parse[parse_pos] = NULLCHAR;
2645 if(chattingPartner>=0) {
2647 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2648 OutputChatMessage(chattingPartner, mess);
2649 chattingPartner = -1;
2650 next_out = i+1; // [HGM] suppress printing in ICS window
2652 if(!suppressKibitz) // [HGM] kibitz
2653 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2654 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2655 int nrDigit = 0, nrAlph = 0, j;
2656 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2657 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2658 parse[parse_pos] = NULLCHAR;
2659 // try to be smart: if it does not look like search info, it should go to
2660 // ICS interaction window after all, not to engine-output window.
2661 for(j=0; j<parse_pos; j++) { // count letters and digits
2662 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2663 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2664 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2666 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2667 int depth=0; float score;
2668 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2669 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2670 pvInfoList[forwardMostMove-1].depth = depth;
2671 pvInfoList[forwardMostMove-1].score = 100*score;
2673 OutputKibitz(suppressKibitz, parse);
2676 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2677 SendToPlayer(tmp, strlen(tmp));
2679 next_out = i+1; // [HGM] suppress printing in ICS window
2681 started = STARTED_NONE;
2683 /* Don't match patterns against characters in comment */
2688 if (started == STARTED_CHATTER) {
2689 if (buf[i] != '\n') {
2690 /* Don't match patterns against characters in chatter */
2694 started = STARTED_NONE;
2695 if(suppressKibitz) next_out = i+1;
2698 /* Kludge to deal with rcmd protocol */
2699 if (firstTime && looking_at(buf, &i, "\001*")) {
2700 DisplayFatalError(&buf[1], 0, 1);
2706 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2709 if (appData.debugMode)
2710 fprintf(debugFP, "ics_type %d\n", ics_type);
2713 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2714 ics_type = ICS_FICS;
2716 if (appData.debugMode)
2717 fprintf(debugFP, "ics_type %d\n", ics_type);
2720 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2721 ics_type = ICS_CHESSNET;
2723 if (appData.debugMode)
2724 fprintf(debugFP, "ics_type %d\n", ics_type);
2729 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2730 looking_at(buf, &i, "Logging you in as \"*\"") ||
2731 looking_at(buf, &i, "will be \"*\""))) {
2732 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2736 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2738 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2739 DisplayIcsInteractionTitle(buf);
2740 have_set_title = TRUE;
2743 /* skip finger notes */
2744 if (started == STARTED_NONE &&
2745 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2746 (buf[i] == '1' && buf[i+1] == '0')) &&
2747 buf[i+2] == ':' && buf[i+3] == ' ') {
2748 started = STARTED_CHATTER;
2754 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2755 if(appData.seekGraph) {
2756 if(soughtPending && MatchSoughtLine(buf+i)) {
2757 i = strstr(buf+i, "rated") - buf;
2758 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2759 next_out = leftover_start = i;
2760 started = STARTED_CHATTER;
2761 suppressKibitz = TRUE;
2764 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2765 && looking_at(buf, &i, "* ads displayed")) {
2766 soughtPending = FALSE;
2771 if(appData.autoRefresh) {
2772 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2773 int s = (ics_type == ICS_ICC); // ICC format differs
2775 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2776 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2777 looking_at(buf, &i, "*% "); // eat prompt
2778 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2779 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2780 next_out = i; // suppress
2783 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2784 char *p = star_match[0];
2786 if(seekGraphUp) RemoveSeekAd(atoi(p));
2787 while(*p && *p++ != ' '); // next
2789 looking_at(buf, &i, "*% "); // eat prompt
2790 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2797 /* skip formula vars */
2798 if (started == STARTED_NONE &&
2799 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2800 started = STARTED_CHATTER;
2805 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2806 if (appData.autoKibitz && started == STARTED_NONE &&
2807 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2808 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2809 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2810 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2811 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2812 suppressKibitz = TRUE;
2813 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2815 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2816 && (gameMode == IcsPlayingWhite)) ||
2817 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2818 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2819 started = STARTED_CHATTER; // own kibitz we simply discard
2821 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2822 parse_pos = 0; parse[0] = NULLCHAR;
2823 savingComment = TRUE;
2824 suppressKibitz = gameMode != IcsObserving ? 2 :
2825 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2829 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2830 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2831 && atoi(star_match[0])) {
2832 // suppress the acknowledgements of our own autoKibitz
2834 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2835 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2836 SendToPlayer(star_match[0], strlen(star_match[0]));
2837 if(looking_at(buf, &i, "*% ")) // eat prompt
2838 suppressKibitz = FALSE;
2842 } // [HGM] kibitz: end of patch
2844 // [HGM] chat: intercept tells by users for which we have an open chat window
2846 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2847 looking_at(buf, &i, "* whispers:") ||
2848 looking_at(buf, &i, "* kibitzes:") ||
2849 looking_at(buf, &i, "* shouts:") ||
2850 looking_at(buf, &i, "* c-shouts:") ||
2851 looking_at(buf, &i, "--> * ") ||
2852 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2853 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2854 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2857 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2858 chattingPartner = -1;
2860 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2861 for(p=0; p<MAX_CHAT; p++) {
2862 if(channel == atoi(chatPartner[p])) {
2863 talker[0] = '['; strcat(talker, "] ");
2864 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2865 chattingPartner = p; break;
2868 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2869 for(p=0; p<MAX_CHAT; p++) {
2870 if(!strcmp("kibitzes", chatPartner[p])) {
2871 talker[0] = '['; strcat(talker, "] ");
2872 chattingPartner = p; break;
2875 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2876 for(p=0; p<MAX_CHAT; p++) {
2877 if(!strcmp("whispers", chatPartner[p])) {
2878 talker[0] = '['; strcat(talker, "] ");
2879 chattingPartner = p; break;
2882 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2883 if(buf[i-8] == '-' && buf[i-3] == 't')
2884 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2885 if(!strcmp("c-shouts", chatPartner[p])) {
2886 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2887 chattingPartner = p; break;
2890 if(chattingPartner < 0)
2891 for(p=0; p<MAX_CHAT; p++) {
2892 if(!strcmp("shouts", chatPartner[p])) {
2893 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2894 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2895 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2896 chattingPartner = p; break;
2900 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2901 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2902 talker[0] = 0; Colorize(ColorTell, FALSE);
2903 chattingPartner = p; break;
2905 if(chattingPartner<0) i = oldi; else {
2906 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2907 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2908 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2909 started = STARTED_COMMENT;
2910 parse_pos = 0; parse[0] = NULLCHAR;
2911 savingComment = 3 + chattingPartner; // counts as TRUE
2912 suppressKibitz = TRUE;
2915 } // [HGM] chat: end of patch
2917 if (appData.zippyTalk || appData.zippyPlay) {
2918 /* [DM] Backup address for color zippy lines */
2921 if (loggedOn == TRUE)
2922 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2923 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2925 } // [DM] 'else { ' deleted
2927 /* Regular tells and says */
2928 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2929 looking_at(buf, &i, "* (your partner) tells you: ") ||
2930 looking_at(buf, &i, "* says: ") ||
2931 /* Don't color "message" or "messages" output */
2932 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2933 looking_at(buf, &i, "*. * at *:*: ") ||
2934 looking_at(buf, &i, "--* (*:*): ") ||
2935 /* Message notifications (same color as tells) */
2936 looking_at(buf, &i, "* has left a message ") ||
2937 looking_at(buf, &i, "* just sent you a message:\n") ||
2938 /* Whispers and kibitzes */
2939 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2940 looking_at(buf, &i, "* kibitzes: ") ||
2942 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2944 if (tkind == 1 && strchr(star_match[0], ':')) {
2945 /* Avoid "tells you:" spoofs in channels */
2948 if (star_match[0][0] == NULLCHAR ||
2949 strchr(star_match[0], ' ') ||
2950 (tkind == 3 && strchr(star_match[1], ' '))) {
2951 /* Reject bogus matches */
2954 if (appData.colorize) {
2955 if (oldi > next_out) {
2956 SendToPlayer(&buf[next_out], oldi - next_out);
2961 Colorize(ColorTell, FALSE);
2962 curColor = ColorTell;
2965 Colorize(ColorKibitz, FALSE);
2966 curColor = ColorKibitz;
2969 p = strrchr(star_match[1], '(');
2976 Colorize(ColorChannel1, FALSE);
2977 curColor = ColorChannel1;
2979 Colorize(ColorChannel, FALSE);
2980 curColor = ColorChannel;
2984 curColor = ColorNormal;
2988 if (started == STARTED_NONE && appData.autoComment &&
2989 (gameMode == IcsObserving ||
2990 gameMode == IcsPlayingWhite ||
2991 gameMode == IcsPlayingBlack)) {
2992 parse_pos = i - oldi;
2993 memcpy(parse, &buf[oldi], parse_pos);
2994 parse[parse_pos] = NULLCHAR;
2995 started = STARTED_COMMENT;
2996 savingComment = TRUE;
2998 started = STARTED_CHATTER;
2999 savingComment = FALSE;
3006 if (looking_at(buf, &i, "* s-shouts: ") ||
3007 looking_at(buf, &i, "* c-shouts: ")) {
3008 if (appData.colorize) {
3009 if (oldi > next_out) {
3010 SendToPlayer(&buf[next_out], oldi - next_out);
3013 Colorize(ColorSShout, FALSE);
3014 curColor = ColorSShout;
3017 started = STARTED_CHATTER;
3021 if (looking_at(buf, &i, "--->")) {
3026 if (looking_at(buf, &i, "* shouts: ") ||
3027 looking_at(buf, &i, "--> ")) {
3028 if (appData.colorize) {
3029 if (oldi > next_out) {
3030 SendToPlayer(&buf[next_out], oldi - next_out);
3033 Colorize(ColorShout, FALSE);
3034 curColor = ColorShout;
3037 started = STARTED_CHATTER;
3041 if (looking_at( buf, &i, "Challenge:")) {
3042 if (appData.colorize) {
3043 if (oldi > next_out) {
3044 SendToPlayer(&buf[next_out], oldi - next_out);
3047 Colorize(ColorChallenge, FALSE);
3048 curColor = ColorChallenge;
3054 if (looking_at(buf, &i, "* offers you") ||
3055 looking_at(buf, &i, "* offers to be") ||
3056 looking_at(buf, &i, "* would like to") ||
3057 looking_at(buf, &i, "* requests to") ||
3058 looking_at(buf, &i, "Your opponent offers") ||
3059 looking_at(buf, &i, "Your opponent requests")) {
3061 if (appData.colorize) {
3062 if (oldi > next_out) {
3063 SendToPlayer(&buf[next_out], oldi - next_out);
3066 Colorize(ColorRequest, FALSE);
3067 curColor = ColorRequest;
3072 if (looking_at(buf, &i, "* (*) seeking")) {
3073 if (appData.colorize) {
3074 if (oldi > next_out) {
3075 SendToPlayer(&buf[next_out], oldi - next_out);
3078 Colorize(ColorSeek, FALSE);
3079 curColor = ColorSeek;
3084 if (looking_at(buf, &i, "\\ ")) {
3085 if (prevColor != ColorNormal) {
3086 if (oldi > next_out) {
3087 SendToPlayer(&buf[next_out], oldi - next_out);
3090 Colorize(prevColor, TRUE);
3091 curColor = prevColor;
3093 if (savingComment) {
3094 parse_pos = i - oldi;
3095 memcpy(parse, &buf[oldi], parse_pos);
3096 parse[parse_pos] = NULLCHAR;
3097 started = STARTED_COMMENT;
3098 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3099 chattingPartner = savingComment - 3; // kludge to remember the box
3101 started = STARTED_CHATTER;
3106 if (looking_at(buf, &i, "Black Strength :") ||
3107 looking_at(buf, &i, "<<< style 10 board >>>") ||
3108 looking_at(buf, &i, "<10>") ||
3109 looking_at(buf, &i, "#@#")) {
3110 /* Wrong board style */
3112 SendToICS(ics_prefix);
3113 SendToICS("set style 12\n");
3114 SendToICS(ics_prefix);
3115 SendToICS("refresh\n");
3119 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3121 have_sent_ICS_logon = 1;
3122 /* if we don't send the login/password via icsLogon, use special readline
3124 if (strlen(appData.icsLogon)==0)
3126 sending_ICS_password = 0; // in case we come back to login
3127 sending_ICS_login = 1;
3131 /* need to shadow the password */
3132 if (!sending_ICS_password && looking_at(buf, &i, "password:")) {
3133 /* if we don't send the login/password via icsLogon, use special readline
3135 if (strlen(appData.icsLogon)==0)
3136 sending_ICS_password = 1;
3140 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3141 (looking_at(buf, &i, "\n<12> ") ||
3142 looking_at(buf, &i, "<12> "))) {
3144 if (oldi > next_out) {
3145 SendToPlayer(&buf[next_out], oldi - next_out);
3148 started = STARTED_BOARD;
3153 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3154 looking_at(buf, &i, "<b1> ")) {
3155 if (oldi > next_out) {
3156 SendToPlayer(&buf[next_out], oldi - next_out);
3159 started = STARTED_HOLDINGS;
3164 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3166 /* Header for a move list -- first line */
3168 switch (ics_getting_history) {
3172 case BeginningOfGame:
3173 /* User typed "moves" or "oldmoves" while we
3174 were idle. Pretend we asked for these
3175 moves and soak them up so user can step
3176 through them and/or save them.
3179 gameMode = IcsObserving;
3182 ics_getting_history = H_GOT_UNREQ_HEADER;
3184 case EditGame: /*?*/
3185 case EditPosition: /*?*/
3186 /* Should above feature work in these modes too? */
3187 /* For now it doesn't */
3188 ics_getting_history = H_GOT_UNWANTED_HEADER;
3191 ics_getting_history = H_GOT_UNWANTED_HEADER;
3196 /* Is this the right one? */
3197 if (gameInfo.white && gameInfo.black &&
3198 strcmp(gameInfo.white, star_match[0]) == 0 &&
3199 strcmp(gameInfo.black, star_match[2]) == 0) {
3201 ics_getting_history = H_GOT_REQ_HEADER;
3204 case H_GOT_REQ_HEADER:
3205 case H_GOT_UNREQ_HEADER:
3206 case H_GOT_UNWANTED_HEADER:
3207 case H_GETTING_MOVES:
3208 /* Should not happen */
3209 DisplayError(_("Error gathering move list: two headers"), 0);
3210 ics_getting_history = H_FALSE;
3214 /* Save player ratings into gameInfo if needed */
3215 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3216 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3217 (gameInfo.whiteRating == -1 ||
3218 gameInfo.blackRating == -1)) {
3220 gameInfo.whiteRating = string_to_rating(star_match[1]);
3221 gameInfo.blackRating = string_to_rating(star_match[3]);
3222 if (appData.debugMode)
3223 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3224 gameInfo.whiteRating, gameInfo.blackRating);
3229 if (looking_at(buf, &i,
3230 "* * match, initial time: * minute*, increment: * second")) {
3231 /* Header for a move list -- second line */
3232 /* Initial board will follow if this is a wild game */
3233 if (gameInfo.event != NULL) free(gameInfo.event);
3234 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3235 gameInfo.event = StrSave(str);
3236 /* [HGM] we switched variant. Translate boards if needed. */
3237 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3241 if (looking_at(buf, &i, "Move ")) {
3242 /* Beginning of a move list */
3243 switch (ics_getting_history) {
3245 /* Normally should not happen */
3246 /* Maybe user hit reset while we were parsing */
3249 /* Happens if we are ignoring a move list that is not
3250 * the one we just requested. Common if the user
3251 * tries to observe two games without turning off
3254 case H_GETTING_MOVES:
3255 /* Should not happen */
3256 DisplayError(_("Error gathering move list: nested"), 0);
3257 ics_getting_history = H_FALSE;
3259 case H_GOT_REQ_HEADER:
3260 ics_getting_history = H_GETTING_MOVES;
3261 started = STARTED_MOVES;
3263 if (oldi > next_out) {
3264 SendToPlayer(&buf[next_out], oldi - next_out);
3267 case H_GOT_UNREQ_HEADER:
3268 ics_getting_history = H_GETTING_MOVES;
3269 started = STARTED_MOVES_NOHIDE;
3272 case H_GOT_UNWANTED_HEADER:
3273 ics_getting_history = H_FALSE;
3279 if (looking_at(buf, &i, "% ") ||
3280 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3281 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3282 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3283 soughtPending = FALSE;
3287 if(suppressKibitz) next_out = i;
3288 savingComment = FALSE;
3292 case STARTED_MOVES_NOHIDE:
3293 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3294 parse[parse_pos + i - oldi] = NULLCHAR;
3295 ParseGameHistory(parse);
3297 if (appData.zippyPlay && first.initDone) {
3298 FeedMovesToProgram(&first, forwardMostMove);
3299 if (gameMode == IcsPlayingWhite) {
3300 if (WhiteOnMove(forwardMostMove)) {
3301 if (first.sendTime) {
3302 if (first.useColors) {
3303 SendToProgram("black\n", &first);
3305 SendTimeRemaining(&first, TRUE);
3307 if (first.useColors) {
3308 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3310 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3311 first.maybeThinking = TRUE;
3313 if (first.usePlayother) {
3314 if (first.sendTime) {
3315 SendTimeRemaining(&first, TRUE);
3317 SendToProgram("playother\n", &first);
3323 } else if (gameMode == IcsPlayingBlack) {
3324 if (!WhiteOnMove(forwardMostMove)) {
3325 if (first.sendTime) {
3326 if (first.useColors) {
3327 SendToProgram("white\n", &first);
3329 SendTimeRemaining(&first, FALSE);
3331 if (first.useColors) {
3332 SendToProgram("black\n", &first);
3334 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3335 first.maybeThinking = TRUE;
3337 if (first.usePlayother) {
3338 if (first.sendTime) {
3339 SendTimeRemaining(&first, FALSE);
3341 SendToProgram("playother\n", &first);
3350 if (gameMode == IcsObserving && ics_gamenum == -1) {
3351 /* Moves came from oldmoves or moves command
3352 while we weren't doing anything else.
3354 currentMove = forwardMostMove;
3355 ClearHighlights();/*!!could figure this out*/
3356 flipView = appData.flipView;
3357 DrawPosition(TRUE, boards[currentMove]);
3358 DisplayBothClocks();
3359 snprintf(str, MSG_SIZ, "%s vs. %s",
3360 gameInfo.white, gameInfo.black);
3364 /* Moves were history of an active game */
3365 if (gameInfo.resultDetails != NULL) {
3366 free(gameInfo.resultDetails);
3367 gameInfo.resultDetails = NULL;
3370 HistorySet(parseList, backwardMostMove,
3371 forwardMostMove, currentMove-1);
3372 DisplayMove(currentMove - 1);
3373 if (started == STARTED_MOVES) next_out = i;
3374 started = STARTED_NONE;
3375 ics_getting_history = H_FALSE;
3378 case STARTED_OBSERVE:
3379 started = STARTED_NONE;
3380 SendToICS(ics_prefix);
3381 SendToICS("refresh\n");
3387 if(bookHit) { // [HGM] book: simulate book reply
3388 static char bookMove[MSG_SIZ]; // a bit generous?
3390 programStats.nodes = programStats.depth = programStats.time =
3391 programStats.score = programStats.got_only_move = 0;
3392 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3394 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3395 strcat(bookMove, bookHit);
3396 HandleMachineMove(bookMove, &first);
3401 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3402 started == STARTED_HOLDINGS ||
3403 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3404 /* Accumulate characters in move list or board */
3405 parse[parse_pos++] = buf[i];
3408 /* Start of game messages. Mostly we detect start of game
3409 when the first board image arrives. On some versions
3410 of the ICS, though, we need to do a "refresh" after starting
3411 to observe in order to get the current board right away. */
3412 if (looking_at(buf, &i, "Adding game * to observation list")) {
3413 started = STARTED_OBSERVE;
3417 /* Handle auto-observe */
3418 if (appData.autoObserve &&
3419 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3420 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3422 /* Choose the player that was highlighted, if any. */
3423 if (star_match[0][0] == '\033' ||
3424 star_match[1][0] != '\033') {
3425 player = star_match[0];
3427 player = star_match[2];
3429 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3430 ics_prefix, StripHighlightAndTitle(player));
3433 /* Save ratings from notify string */
3434 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3435 player1Rating = string_to_rating(star_match[1]);
3436 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3437 player2Rating = string_to_rating(star_match[3]);
3439 if (appData.debugMode)
3441 "Ratings from 'Game notification:' %s %d, %s %d\n",
3442 player1Name, player1Rating,
3443 player2Name, player2Rating);
3448 /* Deal with automatic examine mode after a game,
3449 and with IcsObserving -> IcsExamining transition */
3450 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3451 looking_at(buf, &i, "has made you an examiner of game *")) {
3453 int gamenum = atoi(star_match[0]);
3454 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3455 gamenum == ics_gamenum) {
3456 /* We were already playing or observing this game;
3457 no need to refetch history */
3458 gameMode = IcsExamining;
3460 pauseExamForwardMostMove = forwardMostMove;
3461 } else if (currentMove < forwardMostMove) {
3462 ForwardInner(forwardMostMove);
3465 /* I don't think this case really can happen */
3466 SendToICS(ics_prefix);
3467 SendToICS("refresh\n");
3472 /* Error messages */
3473 // if (ics_user_moved) {
3474 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3475 if (looking_at(buf, &i, "Illegal move") ||
3476 looking_at(buf, &i, "Not a legal move") ||
3477 looking_at(buf, &i, "Your king is in check") ||
3478 looking_at(buf, &i, "It isn't your turn") ||
3479 looking_at(buf, &i, "It is not your move")) {
3481 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3482 currentMove = forwardMostMove-1;
3483 DisplayMove(currentMove - 1); /* before DMError */
3484 DrawPosition(FALSE, boards[currentMove]);
3485 SwitchClocks(forwardMostMove-1); // [HGM] race
3486 DisplayBothClocks();
3488 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3494 if (looking_at(buf, &i, "still have time") ||
3495 looking_at(buf, &i, "not out of time") ||
3496 looking_at(buf, &i, "either player is out of time") ||
3497 looking_at(buf, &i, "has timeseal; checking")) {
3498 /* We must have called his flag a little too soon */
3499 whiteFlag = blackFlag = FALSE;
3503 if (looking_at(buf, &i, "added * seconds to") ||
3504 looking_at(buf, &i, "seconds were added to")) {
3505 /* Update the clocks */
3506 SendToICS(ics_prefix);
3507 SendToICS("refresh\n");
3511 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3512 ics_clock_paused = TRUE;
3517 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3518 ics_clock_paused = FALSE;
3523 /* Grab player ratings from the Creating: message.
3524 Note we have to check for the special case when
3525 the ICS inserts things like [white] or [black]. */
3526 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3527 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3529 0 player 1 name (not necessarily white)
3531 2 empty, white, or black (IGNORED)
3532 3 player 2 name (not necessarily black)
3535 The names/ratings are sorted out when the game
3536 actually starts (below).
3538 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3539 player1Rating = string_to_rating(star_match[1]);
3540 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3541 player2Rating = string_to_rating(star_match[4]);
3543 if (appData.debugMode)
3545 "Ratings from 'Creating:' %s %d, %s %d\n",
3546 player1Name, player1Rating,
3547 player2Name, player2Rating);
3552 /* Improved generic start/end-of-game messages */
3553 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3554 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3555 /* If tkind == 0: */
3556 /* star_match[0] is the game number */
3557 /* [1] is the white player's name */
3558 /* [2] is the black player's name */
3559 /* For end-of-game: */
3560 /* [3] is the reason for the game end */
3561 /* [4] is a PGN end game-token, preceded by " " */
3562 /* For start-of-game: */
3563 /* [3] begins with "Creating" or "Continuing" */
3564 /* [4] is " *" or empty (don't care). */
3565 int gamenum = atoi(star_match[0]);
3566 char *whitename, *blackname, *why, *endtoken;
3567 ChessMove endtype = EndOfFile;
3570 whitename = star_match[1];
3571 blackname = star_match[2];
3572 why = star_match[3];
3573 endtoken = star_match[4];
3575 whitename = star_match[1];
3576 blackname = star_match[3];
3577 why = star_match[5];
3578 endtoken = star_match[6];
3581 /* Game start messages */
3582 if (strncmp(why, "Creating ", 9) == 0 ||
3583 strncmp(why, "Continuing ", 11) == 0) {
3584 gs_gamenum = gamenum;
3585 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3586 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3588 if (appData.zippyPlay) {
3589 ZippyGameStart(whitename, blackname);
3592 partnerBoardValid = FALSE; // [HGM] bughouse
3596 /* Game end messages */
3597 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3598 ics_gamenum != gamenum) {
3601 while (endtoken[0] == ' ') endtoken++;
3602 switch (endtoken[0]) {
3605 endtype = GameUnfinished;
3608 endtype = BlackWins;
3611 if (endtoken[1] == '/')
3612 endtype = GameIsDrawn;
3614 endtype = WhiteWins;
3617 GameEnds(endtype, why, GE_ICS);
3619 if (appData.zippyPlay && first.initDone) {
3620 ZippyGameEnd(endtype, why);
3621 if (first.pr == NULL) {
3622 /* Start the next process early so that we'll
3623 be ready for the next challenge */
3624 StartChessProgram(&first);
3626 /* Send "new" early, in case this command takes
3627 a long time to finish, so that we'll be ready
3628 for the next challenge. */
3629 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3633 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3637 if (looking_at(buf, &i, "Removing game * from observation") ||
3638 looking_at(buf, &i, "no longer observing game *") ||
3639 looking_at(buf, &i, "Game * (*) has no examiners")) {
3640 if (gameMode == IcsObserving &&
3641 atoi(star_match[0]) == ics_gamenum)
3643 /* icsEngineAnalyze */
3644 if (appData.icsEngineAnalyze) {
3651 ics_user_moved = FALSE;
3656 if (looking_at(buf, &i, "no longer examining game *")) {
3657 if (gameMode == IcsExamining &&
3658 atoi(star_match[0]) == ics_gamenum)
3662 ics_user_moved = FALSE;
3667 /* Advance leftover_start past any newlines we find,
3668 so only partial lines can get reparsed */
3669 if (looking_at(buf, &i, "\n")) {
3670 prevColor = curColor;
3671 if (curColor != ColorNormal) {
3672 if (oldi > next_out) {
3673 SendToPlayer(&buf[next_out], oldi - next_out);
3676 Colorize(ColorNormal, FALSE);
3677 curColor = ColorNormal;
3679 if (started == STARTED_BOARD) {
3680 started = STARTED_NONE;
3681 parse[parse_pos] = NULLCHAR;
3682 ParseBoard12(parse);
3685 /* Send premove here */
3686 if (appData.premove) {
3688 if (currentMove == 0 &&
3689 gameMode == IcsPlayingWhite &&
3690 appData.premoveWhite) {
3691 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3695 } else if (currentMove == 1 &&
3696 gameMode == IcsPlayingBlack &&
3697 appData.premoveBlack) {
3698 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3699 if (appData.debugMode)
3700 fprintf(debugFP, "Sending premove:\n");
3702 } else if (gotPremove) {
3704 ClearPremoveHighlights();
3705 if (appData.debugMode)
3706 fprintf(debugFP, "Sending premove:\n");
3707 UserMoveEvent(premoveFromX, premoveFromY,
3708 premoveToX, premoveToY,
3713 /* Usually suppress following prompt */
3714 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3715 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3716 if (looking_at(buf, &i, "*% ")) {
3717 savingComment = FALSE;
3722 } else if (started == STARTED_HOLDINGS) {
3724 char new_piece[MSG_SIZ];
3725 started = STARTED_NONE;
3726 parse[parse_pos] = NULLCHAR;
3727 if (appData.debugMode)
3728 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3729 parse, currentMove);
3730 if (sscanf(parse, " game %d", &gamenum) == 1) {
3731 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3732 if (gameInfo.variant == VariantNormal) {
3733 /* [HGM] We seem to switch variant during a game!
3734 * Presumably no holdings were displayed, so we have
3735 * to move the position two files to the right to
3736 * create room for them!
3738 VariantClass newVariant;
3739 switch(gameInfo.boardWidth) { // base guess on board width
3740 case 9: newVariant = VariantShogi; break;
3741 case 10: newVariant = VariantGreat; break;
3742 default: newVariant = VariantCrazyhouse; break;
3744 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3745 /* Get a move list just to see the header, which
3746 will tell us whether this is really bug or zh */
3747 if (ics_getting_history == H_FALSE) {
3748 ics_getting_history = H_REQUESTED;
3749 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3753 new_piece[0] = NULLCHAR;
3754 sscanf(parse, "game %d white [%s black [%s <- %s",
3755 &gamenum, white_holding, black_holding,
3757 white_holding[strlen(white_holding)-1] = NULLCHAR;
3758 black_holding[strlen(black_holding)-1] = NULLCHAR;
3759 /* [HGM] copy holdings to board holdings area */
3760 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3761 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3762 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3764 if (appData.zippyPlay && first.initDone) {
3765 ZippyHoldings(white_holding, black_holding,
3769 if (tinyLayout || smallLayout) {
3770 char wh[16], bh[16];
3771 PackHolding(wh, white_holding);
3772 PackHolding(bh, black_holding);
3773 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3774 gameInfo.white, gameInfo.black);
3776 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3777 gameInfo.white, white_holding,
3778 gameInfo.black, black_holding);
3780 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3781 DrawPosition(FALSE, boards[currentMove]);
3783 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3784 sscanf(parse, "game %d white [%s black [%s <- %s",
3785 &gamenum, white_holding, black_holding,
3787 white_holding[strlen(white_holding)-1] = NULLCHAR;
3788 black_holding[strlen(black_holding)-1] = NULLCHAR;
3789 /* [HGM] copy holdings to partner-board holdings area */
3790 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3791 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3792 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3793 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3794 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3797 /* Suppress following prompt */
3798 if (looking_at(buf, &i, "*% ")) {
3799 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3800 savingComment = FALSE;
3808 i++; /* skip unparsed character and loop back */
3811 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3812 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3813 // SendToPlayer(&buf[next_out], i - next_out);
3814 started != STARTED_HOLDINGS && leftover_start > next_out) {
3815 SendToPlayer(&buf[next_out], leftover_start - next_out);
3819 leftover_len = buf_len - leftover_start;
3820 /* if buffer ends with something we couldn't parse,
3821 reparse it after appending the next read */
3823 } else if (count == 0) {
3824 RemoveInputSource(isr);
3825 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3827 DisplayFatalError(_("Error reading from ICS"), error, 1);
3832 /* Board style 12 looks like this:
3834 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3836 * The "<12> " is stripped before it gets to this routine. The two
3837 * trailing 0's (flip state and clock ticking) are later addition, and
3838 * some chess servers may not have them, or may have only the first.
3839 * Additional trailing fields may be added in the future.
3842 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3844 #define RELATION_OBSERVING_PLAYED 0
3845 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3846 #define RELATION_PLAYING_MYMOVE 1
3847 #define RELATION_PLAYING_NOTMYMOVE -1
3848 #define RELATION_EXAMINING 2
3849 #define RELATION_ISOLATED_BOARD -3
3850 #define RELATION_STARTING_POSITION -4 /* FICS only */
3853 ParseBoard12(string)
3856 GameMode newGameMode;
3857 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3858 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3859 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3860 char to_play, board_chars[200];
3861 char move_str[500], str[500], elapsed_time[500];
3862 char black[32], white[32];
3864 int prevMove = currentMove;
3867 int fromX, fromY, toX, toY;
3869 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3870 char *bookHit = NULL; // [HGM] book
3871 Boolean weird = FALSE, reqFlag = FALSE;
3873 fromX = fromY = toX = toY = -1;
3877 if (appData.debugMode)
3878 fprintf(debugFP, _("Parsing board: %s\n"), string);
3880 move_str[0] = NULLCHAR;
3881 elapsed_time[0] = NULLCHAR;
3882 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3884 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3885 if(string[i] == ' ') { ranks++; files = 0; }
3887 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3890 for(j = 0; j <i; j++) board_chars[j] = string[j];
3891 board_chars[i] = '\0';
3894 n = sscanf(string, PATTERN, &to_play, &double_push,
3895 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3896 &gamenum, white, black, &relation, &basetime, &increment,
3897 &white_stren, &black_stren, &white_time, &black_time,
3898 &moveNum, str, elapsed_time, move_str, &ics_flip,
3902 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3903 DisplayError(str, 0);
3907 /* Convert the move number to internal form */
3908 moveNum = (moveNum - 1) * 2;
3909 if (to_play == 'B') moveNum++;
3910 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3911 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3917 case RELATION_OBSERVING_PLAYED:
3918 case RELATION_OBSERVING_STATIC:
3919 if (gamenum == -1) {
3920 /* Old ICC buglet */
3921 relation = RELATION_OBSERVING_STATIC;
3923 newGameMode = IcsObserving;
3925 case RELATION_PLAYING_MYMOVE:
3926 case RELATION_PLAYING_NOTMYMOVE:
3928 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3929 IcsPlayingWhite : IcsPlayingBlack;
3931 case RELATION_EXAMINING:
3932 newGameMode = IcsExamining;
3934 case RELATION_ISOLATED_BOARD:
3936 /* Just display this board. If user was doing something else,
3937 we will forget about it until the next board comes. */
3938 newGameMode = IcsIdle;
3940 case RELATION_STARTING_POSITION:
3941 newGameMode = gameMode;
3945 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3946 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3947 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3949 for (k = 0; k < ranks; k++) {
3950 for (j = 0; j < files; j++)
3951 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3952 if(gameInfo.holdingsWidth > 1) {
3953 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3954 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3957 CopyBoard(partnerBoard, board);
3958 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3959 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3960 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3961 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3962 if(toSqr = strchr(str, '-')) {
3963 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3964 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3965 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3966 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3967 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3968 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3969 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3970 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3971 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3972 DisplayMessage(partnerStatus, "");
3973 partnerBoardValid = TRUE;
3977 /* Modify behavior for initial board display on move listing
3980 switch (ics_getting_history) {
3984 case H_GOT_REQ_HEADER:
3985 case H_GOT_UNREQ_HEADER:
3986 /* This is the initial position of the current game */
3987 gamenum = ics_gamenum;
3988 moveNum = 0; /* old ICS bug workaround */
3989 if (to_play == 'B') {
3990 startedFromSetupPosition = TRUE;
3991 blackPlaysFirst = TRUE;
3993 if (forwardMostMove == 0) forwardMostMove = 1;
3994 if (backwardMostMove == 0) backwardMostMove = 1;
3995 if (currentMove == 0) currentMove = 1;
3997 newGameMode = gameMode;
3998 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4000 case H_GOT_UNWANTED_HEADER:
4001 /* This is an initial board that we don't want */
4003 case H_GETTING_MOVES:
4004 /* Should not happen */
4005 DisplayError(_("Error gathering move list: extra board"), 0);
4006 ics_getting_history = H_FALSE;
4010 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4011 weird && (int)gameInfo.variant < (int)VariantShogi) {
4012 /* [HGM] We seem to have switched variant unexpectedly
4013 * Try to guess new variant from board size
4015 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4016 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4017 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4018 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4019 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4020 if(!weird) newVariant = VariantNormal;
4021 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4022 /* Get a move list just to see the header, which
4023 will tell us whether this is really bug or zh */
4024 if (ics_getting_history == H_FALSE) {
4025 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4026 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4031 /* Take action if this is the first board of a new game, or of a
4032 different game than is currently being displayed. */
4033 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4034 relation == RELATION_ISOLATED_BOARD) {
4036 /* Forget the old game and get the history (if any) of the new one */
4037 if (gameMode != BeginningOfGame) {
4041 if (appData.autoRaiseBoard) BoardToTop();
4043 if (gamenum == -1) {
4044 newGameMode = IcsIdle;
4045 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4046 appData.getMoveList && !reqFlag) {
4047 /* Need to get game history */
4048 ics_getting_history = H_REQUESTED;
4049 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4053 /* Initially flip the board to have black on the bottom if playing
4054 black or if the ICS flip flag is set, but let the user change
4055 it with the Flip View button. */
4056 flipView = appData.autoFlipView ?
4057 (newGameMode == IcsPlayingBlack) || ics_flip :
4060 /* Done with values from previous mode; copy in new ones */
4061 gameMode = newGameMode;
4063 ics_gamenum = gamenum;
4064 if (gamenum == gs_gamenum) {
4065 int klen = strlen(gs_kind);
4066 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4067 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4068 gameInfo.event = StrSave(str);
4070 gameInfo.event = StrSave("ICS game");
4072 gameInfo.site = StrSave(appData.icsHost);
4073 gameInfo.date = PGNDate();
4074 gameInfo.round = StrSave("-");
4075 gameInfo.white = StrSave(white);
4076 gameInfo.black = StrSave(black);
4077 timeControl = basetime * 60 * 1000;
4079 timeIncrement = increment * 1000;
4080 movesPerSession = 0;
4081 gameInfo.timeControl = TimeControlTagValue();
4082 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4083 if (appData.debugMode) {
4084 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4085 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4086 setbuf(debugFP, NULL);
4089 gameInfo.outOfBook = NULL;
4091 /* Do we have the ratings? */
4092 if (strcmp(player1Name, white) == 0 &&
4093 strcmp(player2Name, black) == 0) {
4094 if (appData.debugMode)
4095 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4096 player1Rating, player2Rating);
4097 gameInfo.whiteRating = player1Rating;
4098 gameInfo.blackRating = player2Rating;
4099 } else if (strcmp(player2Name, white) == 0 &&
4100 strcmp(player1Name, black) == 0) {
4101 if (appData.debugMode)
4102 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4103 player2Rating, player1Rating);
4104 gameInfo.whiteRating = player2Rating;
4105 gameInfo.blackRating = player1Rating;
4107 player1Name[0] = player2Name[0] = NULLCHAR;
4109 /* Silence shouts if requested */
4110 if (appData.quietPlay &&
4111 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4112 SendToICS(ics_prefix);
4113 SendToICS("set shout 0\n");
4117 /* Deal with midgame name changes */
4119 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4120 if (gameInfo.white) free(gameInfo.white);
4121 gameInfo.white = StrSave(white);
4123 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4124 if (gameInfo.black) free(gameInfo.black);
4125 gameInfo.black = StrSave(black);
4129 /* Throw away game result if anything actually changes in examine mode */
4130 if (gameMode == IcsExamining && !newGame) {
4131 gameInfo.result = GameUnfinished;
4132 if (gameInfo.resultDetails != NULL) {
4133 free(gameInfo.resultDetails);
4134 gameInfo.resultDetails = NULL;
4138 /* In pausing && IcsExamining mode, we ignore boards coming
4139 in if they are in a different variation than we are. */
4140 if (pauseExamInvalid) return;
4141 if (pausing && gameMode == IcsExamining) {
4142 if (moveNum <= pauseExamForwardMostMove) {
4143 pauseExamInvalid = TRUE;
4144 forwardMostMove = pauseExamForwardMostMove;
4149 if (appData.debugMode) {
4150 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4152 /* Parse the board */
4153 for (k = 0; k < ranks; k++) {
4154 for (j = 0; j < files; j++)
4155 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4156 if(gameInfo.holdingsWidth > 1) {
4157 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4158 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4161 CopyBoard(boards[moveNum], board);
4162 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4164 startedFromSetupPosition =
4165 !CompareBoards(board, initialPosition);
4166 if(startedFromSetupPosition)
4167 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4170 /* [HGM] Set castling rights. Take the outermost Rooks,
4171 to make it also work for FRC opening positions. Note that board12
4172 is really defective for later FRC positions, as it has no way to
4173 indicate which Rook can castle if they are on the same side of King.
4174 For the initial position we grant rights to the outermost Rooks,
4175 and remember thos rights, and we then copy them on positions
4176 later in an FRC game. This means WB might not recognize castlings with
4177 Rooks that have moved back to their original position as illegal,
4178 but in ICS mode that is not its job anyway.
4180 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4181 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4183 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4184 if(board[0][i] == WhiteRook) j = i;
4185 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4186 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4187 if(board[0][i] == WhiteRook) j = i;
4188 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4189 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4190 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4191 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4192 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4193 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4194 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4196 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4197 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4198 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4199 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4200 if(board[BOARD_HEIGHT-1][k] == bKing)
4201 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4202 if(gameInfo.variant == VariantTwoKings) {
4203 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4204 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4205 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4208 r = boards[moveNum][CASTLING][0] = initialRights[0];
4209 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4210 r = boards[moveNum][CASTLING][1] = initialRights[1];
4211 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4212 r = boards[moveNum][CASTLING][3] = initialRights[3];
4213 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4214 r = boards[moveNum][CASTLING][4] = initialRights[4];
4215 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4216 /* wildcastle kludge: always assume King has rights */
4217 r = boards[moveNum][CASTLING][2] = initialRights[2];
4218 r = boards[moveNum][CASTLING][5] = initialRights[5];
4220 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4221 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4224 if (ics_getting_history == H_GOT_REQ_HEADER ||
4225 ics_getting_history == H_GOT_UNREQ_HEADER) {
4226 /* This was an initial position from a move list, not
4227 the current position */
4231 /* Update currentMove and known move number limits */
4232 newMove = newGame || moveNum > forwardMostMove;
4235 forwardMostMove = backwardMostMove = currentMove = moveNum;
4236 if (gameMode == IcsExamining && moveNum == 0) {
4237 /* Workaround for ICS limitation: we are not told the wild
4238 type when starting to examine a game. But if we ask for
4239 the move list, the move list header will tell us */
4240 ics_getting_history = H_REQUESTED;
4241 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4244 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4245 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4247 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4248 /* [HGM] applied this also to an engine that is silently watching */
4249 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4250 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4251 gameInfo.variant == currentlyInitializedVariant) {
4252 takeback = forwardMostMove - moveNum;
4253 for (i = 0; i < takeback; i++) {
4254 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4255 SendToProgram("undo\n", &first);
4260 forwardMostMove = moveNum;
4261 if (!pausing || currentMove > forwardMostMove)
4262 currentMove = forwardMostMove;
4264 /* New part of history that is not contiguous with old part */
4265 if (pausing && gameMode == IcsExamining) {
4266 pauseExamInvalid = TRUE;
4267 forwardMostMove = pauseExamForwardMostMove;
4270 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4272 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4273 // [HGM] when we will receive the move list we now request, it will be
4274 // fed to the engine from the first move on. So if the engine is not
4275 // in the initial position now, bring it there.
4276 InitChessProgram(&first, 0);
4279 ics_getting_history = H_REQUESTED;
4280 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4283 forwardMostMove = backwardMostMove = currentMove = moveNum;
4286 /* Update the clocks */
4287 if (strchr(elapsed_time, '.')) {
4289 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4290 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4292 /* Time is in seconds */
4293 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4294 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4299 if (appData.zippyPlay && newGame &&
4300 gameMode != IcsObserving && gameMode != IcsIdle &&
4301 gameMode != IcsExamining)
4302 ZippyFirstBoard(moveNum, basetime, increment);
4305 /* Put the move on the move list, first converting
4306 to canonical algebraic form. */
4308 if (appData.debugMode) {
4309 if (appData.debugMode) { int f = forwardMostMove;
4310 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4311 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4312 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4314 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4315 fprintf(debugFP, "moveNum = %d\n", moveNum);
4316 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4317 setbuf(debugFP, NULL);
4319 if (moveNum <= backwardMostMove) {
4320 /* We don't know what the board looked like before
4322 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4323 strcat(parseList[moveNum - 1], " ");
4324 strcat(parseList[moveNum - 1], elapsed_time);
4325 moveList[moveNum - 1][0] = NULLCHAR;
4326 } else if (strcmp(move_str, "none") == 0) {
4327 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4328 /* Again, we don't know what the board looked like;
4329 this is really the start of the game. */
4330 parseList[moveNum - 1][0] = NULLCHAR;
4331 moveList[moveNum - 1][0] = NULLCHAR;
4332 backwardMostMove = moveNum;
4333 startedFromSetupPosition = TRUE;
4334 fromX = fromY = toX = toY = -1;
4336 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4337 // So we parse the long-algebraic move string in stead of the SAN move
4338 int valid; char buf[MSG_SIZ], *prom;
4340 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4341 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4342 // str looks something like "Q/a1-a2"; kill the slash
4344 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4345 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4346 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4347 strcat(buf, prom); // long move lacks promo specification!
4348 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4349 if(appData.debugMode)
4350 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4351 safeStrCpy(move_str, buf, sizeof(move_str)/sizeof(move_str[0]));
4353 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4354 &fromX, &fromY, &toX, &toY, &promoChar)
4355 || ParseOneMove(buf, moveNum - 1, &moveType,
4356 &fromX, &fromY, &toX, &toY, &promoChar);
4357 // end of long SAN patch
4359 (void) CoordsToAlgebraic(boards[moveNum - 1],
4360 PosFlags(moveNum - 1),
4361 fromY, fromX, toY, toX, promoChar,
4362 parseList[moveNum-1]);
4363 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4369 if(gameInfo.variant != VariantShogi)
4370 strcat(parseList[moveNum - 1], "+");
4373 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4374 strcat(parseList[moveNum - 1], "#");
4377 strcat(parseList[moveNum - 1], " ");
4378 strcat(parseList[moveNum - 1], elapsed_time);
4379 /* currentMoveString is set as a side-effect of ParseOneMove */
4380 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4381 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4382 strcat(moveList[moveNum - 1], "\n");
4384 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4385 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4386 ChessSquare old, new = boards[moveNum][k][j];
4387 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4388 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4389 if(old == new) continue;
4390 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4391 else if(new == WhiteWazir || new == BlackWazir) {
4392 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4393 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4394 else boards[moveNum][k][j] = old; // preserve type of Gold
4395 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4396 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4399 /* Move from ICS was illegal!? Punt. */
4400 if (appData.debugMode) {
4401 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4402 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4404 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4405 strcat(parseList[moveNum - 1], " ");
4406 strcat(parseList[moveNum - 1], elapsed_time);
4407 moveList[moveNum - 1][0] = NULLCHAR;
4408 fromX = fromY = toX = toY = -1;
4411 if (appData.debugMode) {
4412 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4413 setbuf(debugFP, NULL);
4417 /* Send move to chess program (BEFORE animating it). */
4418 if (appData.zippyPlay && !newGame && newMove &&
4419 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4421 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4422 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4423 if (moveList[moveNum - 1][0] == NULLCHAR) {
4424 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4426 DisplayError(str, 0);
4428 if (first.sendTime) {
4429 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4431 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4432 if (firstMove && !bookHit) {
4434 if (first.useColors) {
4435 SendToProgram(gameMode == IcsPlayingWhite ?
4437 "black\ngo\n", &first);
4439 SendToProgram("go\n", &first);
4441 first.maybeThinking = TRUE;
4444 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4445 if (moveList[moveNum - 1][0] == NULLCHAR) {
4446 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4447 DisplayError(str, 0);
4449 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4450 SendMoveToProgram(moveNum - 1, &first);
4457 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4458 /* If move comes from a remote source, animate it. If it
4459 isn't remote, it will have already been animated. */
4460 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4461 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4463 if (!pausing && appData.highlightLastMove) {
4464 SetHighlights(fromX, fromY, toX, toY);
4468 /* Start the clocks */
4469 whiteFlag = blackFlag = FALSE;
4470 appData.clockMode = !(basetime == 0 && increment == 0);
4472 ics_clock_paused = TRUE;
4474 } else if (ticking == 1) {
4475 ics_clock_paused = FALSE;
4477 if (gameMode == IcsIdle ||
4478 relation == RELATION_OBSERVING_STATIC ||
4479 relation == RELATION_EXAMINING ||
4481 DisplayBothClocks();
4485 /* Display opponents and material strengths */
4486 if (gameInfo.variant != VariantBughouse &&
4487 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4488 if (tinyLayout || smallLayout) {
4489 if(gameInfo.variant == VariantNormal)
4490 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4491 gameInfo.white, white_stren, gameInfo.black, black_stren,
4492 basetime, increment);
4494 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4495 gameInfo.white, white_stren, gameInfo.black, black_stren,
4496 basetime, increment, (int) gameInfo.variant);
4498 if(gameInfo.variant == VariantNormal)
4499 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4500 gameInfo.white, white_stren, gameInfo.black, black_stren,
4501 basetime, increment);
4503 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4504 gameInfo.white, white_stren, gameInfo.black, black_stren,
4505 basetime, increment, VariantName(gameInfo.variant));
4508 if (appData.debugMode) {
4509 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4514 /* Display the board */
4515 if (!pausing && !appData.noGUI) {
4517 if (appData.premove)
4519 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4520 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4521 ClearPremoveHighlights();
4523 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4524 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4525 DrawPosition(j, boards[currentMove]);
4527 DisplayMove(moveNum - 1);
4528 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4529 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4530 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4531 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4535 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4537 if(bookHit) { // [HGM] book: simulate book reply
4538 static char bookMove[MSG_SIZ]; // a bit generous?
4540 programStats.nodes = programStats.depth = programStats.time =
4541 programStats.score = programStats.got_only_move = 0;
4542 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4544 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4545 strcat(bookMove, bookHit);
4546 HandleMachineMove(bookMove, &first);
4555 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4556 ics_getting_history = H_REQUESTED;
4557 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4563 AnalysisPeriodicEvent(force)
4566 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4567 && !force) || !appData.periodicUpdates)
4570 /* Send . command to Crafty to collect stats */
4571 SendToProgram(".\n", &first);
4573 /* Don't send another until we get a response (this makes
4574 us stop sending to old Crafty's which don't understand
4575 the "." command (sending illegal cmds resets node count & time,
4576 which looks bad)) */
4577 programStats.ok_to_send = 0;
4580 void ics_update_width(new_width)
4583 ics_printf("set width %d\n", new_width);
4587 SendMoveToProgram(moveNum, cps)
4589 ChessProgramState *cps;
4593 if (cps->useUsermove) {
4594 SendToProgram("usermove ", cps);
4598 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4599 int len = space - parseList[moveNum];
4600 memcpy(buf, parseList[moveNum], len);
4602 buf[len] = NULLCHAR;
4604 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4606 SendToProgram(buf, cps);
4608 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4609 AlphaRank(moveList[moveNum], 4);
4610 SendToProgram(moveList[moveNum], cps);
4611 AlphaRank(moveList[moveNum], 4); // and back
4613 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4614 * the engine. It would be nice to have a better way to identify castle
4616 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4617 && cps->useOOCastle) {
4618 int fromX = moveList[moveNum][0] - AAA;
4619 int fromY = moveList[moveNum][1] - ONE;
4620 int toX = moveList[moveNum][2] - AAA;
4621 int toY = moveList[moveNum][3] - ONE;
4622 if((boards[moveNum][fromY][fromX] == WhiteKing
4623 && boards[moveNum][toY][toX] == WhiteRook)
4624 || (boards[moveNum][fromY][fromX] == BlackKing
4625 && boards[moveNum][toY][toX] == BlackRook)) {
4626 if(toX > fromX) SendToProgram("O-O\n", cps);
4627 else SendToProgram("O-O-O\n", cps);
4629 else SendToProgram(moveList[moveNum], cps);
4631 else SendToProgram(moveList[moveNum], cps);
4632 /* End of additions by Tord */
4635 /* [HGM] setting up the opening has brought engine in force mode! */
4636 /* Send 'go' if we are in a mode where machine should play. */
4637 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4638 (gameMode == TwoMachinesPlay ||
4640 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4642 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4643 SendToProgram("go\n", cps);
4644 if (appData.debugMode) {
4645 fprintf(debugFP, "(extra)\n");
4648 setboardSpoiledMachineBlack = 0;
4652 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4654 int fromX, fromY, toX, toY;
4657 char user_move[MSG_SIZ];
4661 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4662 (int)moveType, fromX, fromY, toX, toY);
4663 DisplayError(user_move + strlen("say "), 0);
4665 case WhiteKingSideCastle:
4666 case BlackKingSideCastle:
4667 case WhiteQueenSideCastleWild:
4668 case BlackQueenSideCastleWild:
4670 case WhiteHSideCastleFR:
4671 case BlackHSideCastleFR:
4673 snprintf(user_move, MSG_SIZ, "o-o\n");
4675 case WhiteQueenSideCastle:
4676 case BlackQueenSideCastle:
4677 case WhiteKingSideCastleWild:
4678 case BlackKingSideCastleWild:
4680 case WhiteASideCastleFR:
4681 case BlackASideCastleFR:
4683 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4685 case WhiteNonPromotion:
4686 case BlackNonPromotion:
4687 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4689 case WhitePromotion:
4690 case BlackPromotion:
4691 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4692 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4693 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4694 PieceToChar(WhiteFerz));
4695 else if(gameInfo.variant == VariantGreat)
4696 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4697 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4698 PieceToChar(WhiteMan));
4700 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4701 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4707 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4708 ToUpper(PieceToChar((ChessSquare) fromX)),
4709 AAA + toX, ONE + toY);
4711 case IllegalMove: /* could be a variant we don't quite understand */
4712 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4714 case WhiteCapturesEnPassant:
4715 case BlackCapturesEnPassant:
4716 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4717 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4720 SendToICS(user_move);
4721 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4722 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4727 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4728 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4729 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4730 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4731 DisplayError("You cannot do this while you are playing or observing", 0);
4734 if(gameMode != IcsExamining) { // is this ever not the case?
4735 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4737 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4738 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4739 } else { // on FICS we must first go to general examine mode
4740 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4742 if(gameInfo.variant != VariantNormal) {
4743 // try figure out wild number, as xboard names are not always valid on ICS
4744 for(i=1; i<=36; i++) {
4745 snprintf(buf, MSG_SIZ, "wild/%d", i);
4746 if(StringToVariant(buf) == gameInfo.variant) break;
4748 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4749 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4750 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4751 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4752 SendToICS(ics_prefix);
4754 if(startedFromSetupPosition || backwardMostMove != 0) {
4755 fen = PositionToFEN(backwardMostMove, NULL);
4756 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4757 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4759 } else { // FICS: everything has to set by separate bsetup commands
4760 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4761 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4763 if(!WhiteOnMove(backwardMostMove)) {
4764 SendToICS("bsetup tomove black\n");
4766 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4767 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4769 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4770 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4772 i = boards[backwardMostMove][EP_STATUS];
4773 if(i >= 0) { // set e.p.
4774 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4780 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4781 SendToICS("bsetup done\n"); // switch to normal examining.
4783 for(i = backwardMostMove; i<last; i++) {
4785 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4788 SendToICS(ics_prefix);
4789 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4793 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4798 if (rf == DROP_RANK) {
4799 sprintf(move, "%c@%c%c\n",
4800 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4802 if (promoChar == 'x' || promoChar == NULLCHAR) {
4803 sprintf(move, "%c%c%c%c\n",
4804 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4806 sprintf(move, "%c%c%c%c%c\n",
4807 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4813 ProcessICSInitScript(f)
4818 while (fgets(buf, MSG_SIZ, f)) {
4819 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4826 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4828 AlphaRank(char *move, int n)
4830 // char *p = move, c; int x, y;
4832 if (appData.debugMode) {
4833 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4837 move[2]>='0' && move[2]<='9' &&
4838 move[3]>='a' && move[3]<='x' ) {
4840 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4841 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4843 if(move[0]>='0' && move[0]<='9' &&
4844 move[1]>='a' && move[1]<='x' &&
4845 move[2]>='0' && move[2]<='9' &&
4846 move[3]>='a' && move[3]<='x' ) {
4847 /* input move, Shogi -> normal */
4848 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4849 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4850 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4851 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4854 move[3]>='0' && move[3]<='9' &&
4855 move[2]>='a' && move[2]<='x' ) {
4857 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4858 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4861 move[0]>='a' && move[0]<='x' &&
4862 move[3]>='0' && move[3]<='9' &&
4863 move[2]>='a' && move[2]<='x' ) {
4864 /* output move, normal -> Shogi */
4865 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4866 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4867 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4868 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4869 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4871 if (appData.debugMode) {
4872 fprintf(debugFP, " out = '%s'\n", move);
4876 char yy_textstr[8000];
4878 /* Parser for moves from gnuchess, ICS, or user typein box */
4880 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4883 ChessMove *moveType;
4884 int *fromX, *fromY, *toX, *toY;
4887 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4889 switch (*moveType) {
4890 case WhitePromotion:
4891 case BlackPromotion:
4892 case WhiteNonPromotion:
4893 case BlackNonPromotion:
4895 case WhiteCapturesEnPassant:
4896 case BlackCapturesEnPassant:
4897 case WhiteKingSideCastle:
4898 case WhiteQueenSideCastle:
4899 case BlackKingSideCastle:
4900 case BlackQueenSideCastle:
4901 case WhiteKingSideCastleWild:
4902 case WhiteQueenSideCastleWild:
4903 case BlackKingSideCastleWild:
4904 case BlackQueenSideCastleWild:
4905 /* Code added by Tord: */
4906 case WhiteHSideCastleFR:
4907 case WhiteASideCastleFR:
4908 case BlackHSideCastleFR:
4909 case BlackASideCastleFR:
4910 /* End of code added by Tord */
4911 case IllegalMove: /* bug or odd chess variant */
4912 *fromX = currentMoveString[0] - AAA;
4913 *fromY = currentMoveString[1] - ONE;
4914 *toX = currentMoveString[2] - AAA;
4915 *toY = currentMoveString[3] - ONE;
4916 *promoChar = currentMoveString[4];
4917 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4918 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4919 if (appData.debugMode) {
4920 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4922 *fromX = *fromY = *toX = *toY = 0;
4925 if (appData.testLegality) {
4926 return (*moveType != IllegalMove);
4928 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4929 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4934 *fromX = *moveType == WhiteDrop ?
4935 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4936 (int) CharToPiece(ToLower(currentMoveString[0]));
4938 *toX = currentMoveString[2] - AAA;
4939 *toY = currentMoveString[3] - ONE;
4940 *promoChar = NULLCHAR;
4944 case ImpossibleMove:
4954 if (appData.debugMode) {
4955 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4958 *fromX = *fromY = *toX = *toY = 0;
4959 *promoChar = NULLCHAR;
4966 ParsePV(char *pv, Boolean storeComments)
4967 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4968 int fromX, fromY, toX, toY; char promoChar;
4973 endPV = forwardMostMove;
4975 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4976 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4977 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4978 if(appData.debugMode){
4979 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4981 if(!valid && nr == 0 &&
4982 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4983 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4984 // Hande case where played move is different from leading PV move
4985 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4986 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4987 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4988 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4989 endPV += 2; // if position different, keep this
4990 moveList[endPV-1][0] = fromX + AAA;
4991 moveList[endPV-1][1] = fromY + ONE;
4992 moveList[endPV-1][2] = toX + AAA;
4993 moveList[endPV-1][3] = toY + ONE;
4994 parseList[endPV-1][0] = NULLCHAR;
4995 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4998 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4999 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5000 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5001 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5002 valid++; // allow comments in PV
5006 if(endPV+1 > framePtr) break; // no space, truncate
5009 CopyBoard(boards[endPV], boards[endPV-1]);
5010 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5011 moveList[endPV-1][0] = fromX + AAA;
5012 moveList[endPV-1][1] = fromY + ONE;
5013 moveList[endPV-1][2] = toX + AAA;
5014 moveList[endPV-1][3] = toY + ONE;
5016 CoordsToAlgebraic(boards[endPV - 1],
5017 PosFlags(endPV - 1),
5018 fromY, fromX, toY, toX, promoChar,
5019 parseList[endPV - 1]);
5021 parseList[endPV-1][0] = NULLCHAR;
5023 currentMove = endPV;
5024 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5025 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5026 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5027 DrawPosition(TRUE, boards[currentMove]);
5030 static int lastX, lastY;
5033 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5038 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5039 lastX = x; lastY = y;
5040 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5042 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5043 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5045 do{ while(buf[index] && buf[index] != '\n') index++;
5046 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5048 ParsePV(buf+startPV, FALSE);
5049 *start = startPV; *end = index-1;
5054 LoadPV(int x, int y)
5055 { // called on right mouse click to load PV
5056 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5057 lastX = x; lastY = y;
5058 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5065 if(endPV < 0) return;
5067 currentMove = forwardMostMove;
5068 ClearPremoveHighlights();
5069 DrawPosition(TRUE, boards[currentMove]);
5073 MovePV(int x, int y, int h)
5074 { // step through PV based on mouse coordinates (called on mouse move)
5075 int margin = h>>3, step = 0;
5077 if(endPV < 0) return;
5078 // we must somehow check if right button is still down (might be released off board!)
5079 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5080 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5081 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5083 lastX = x; lastY = y;
5084 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5085 currentMove += step;
5086 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5087 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5088 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5089 DrawPosition(FALSE, boards[currentMove]);
5093 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5094 // All positions will have equal probability, but the current method will not provide a unique
5095 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5101 int piecesLeft[(int)BlackPawn];
5102 int seed, nrOfShuffles;
5104 void GetPositionNumber()
5105 { // sets global variable seed
5108 seed = appData.defaultFrcPosition;
5109 if(seed < 0) { // randomize based on time for negative FRC position numbers
5110 for(i=0; i<50; i++) seed += random();
5111 seed = random() ^ random() >> 8 ^ random() << 8;
5112 if(seed<0) seed = -seed;
5116 int put(Board board, int pieceType, int rank, int n, int shade)
5117 // put the piece on the (n-1)-th empty squares of the given shade
5121 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5122 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5123 board[rank][i] = (ChessSquare) pieceType;
5124 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5126 piecesLeft[pieceType]--;
5134 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5135 // calculate where the next piece goes, (any empty square), and put it there
5139 i = seed % squaresLeft[shade];
5140 nrOfShuffles *= squaresLeft[shade];
5141 seed /= squaresLeft[shade];
5142 put(board, pieceType, rank, i, shade);
5145 void AddTwoPieces(Board board, int pieceType, int rank)
5146 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5148 int i, n=squaresLeft[ANY], j=n-1, k;
5150 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5151 i = seed % k; // pick one
5154 while(i >= j) i -= j--;
5155 j = n - 1 - j; i += j;
5156 put(board, pieceType, rank, j, ANY);
5157 put(board, pieceType, rank, i, ANY);
5160 void SetUpShuffle(Board board, int number)
5164 GetPositionNumber(); nrOfShuffles = 1;
5166 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5167 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5168 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5170 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5172 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5173 p = (int) board[0][i];
5174 if(p < (int) BlackPawn) piecesLeft[p] ++;
5175 board[0][i] = EmptySquare;
5178 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5179 // shuffles restricted to allow normal castling put KRR first
5180 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5181 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5182 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5183 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5184 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5185 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5186 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5187 put(board, WhiteRook, 0, 0, ANY);
5188 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5191 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5192 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5193 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5194 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5195 while(piecesLeft[p] >= 2) {
5196 AddOnePiece(board, p, 0, LITE);
5197 AddOnePiece(board, p, 0, DARK);
5199 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5202 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5203 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5204 // but we leave King and Rooks for last, to possibly obey FRC restriction
5205 if(p == (int)WhiteRook) continue;
5206 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5207 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5210 // now everything is placed, except perhaps King (Unicorn) and Rooks
5212 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5213 // Last King gets castling rights
5214 while(piecesLeft[(int)WhiteUnicorn]) {
5215 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5216 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5219 while(piecesLeft[(int)WhiteKing]) {
5220 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5221 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5226 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5227 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5230 // Only Rooks can be left; simply place them all
5231 while(piecesLeft[(int)WhiteRook]) {
5232 i = put(board, WhiteRook, 0, 0, ANY);
5233 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5236 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5238 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5241 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5242 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5245 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5248 int SetCharTable( char *table, const char * map )
5249 /* [HGM] moved here from winboard.c because of its general usefulness */
5250 /* Basically a safe strcpy that uses the last character as King */
5252 int result = FALSE; int NrPieces;
5254 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5255 && NrPieces >= 12 && !(NrPieces&1)) {
5256 int i; /* [HGM] Accept even length from 12 to 34 */
5258 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5259 for( i=0; i<NrPieces/2-1; i++ ) {
5261 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5263 table[(int) WhiteKing] = map[NrPieces/2-1];
5264 table[(int) BlackKing] = map[NrPieces-1];
5272 void Prelude(Board board)
5273 { // [HGM] superchess: random selection of exo-pieces
5274 int i, j, k; ChessSquare p;
5275 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5277 GetPositionNumber(); // use FRC position number
5279 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5280 SetCharTable(pieceToChar, appData.pieceToCharTable);
5281 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5282 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5285 j = seed%4; seed /= 4;
5286 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5287 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5288 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5289 j = seed%3 + (seed%3 >= j); seed /= 3;
5290 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5291 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5292 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5293 j = seed%3; seed /= 3;
5294 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5295 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5296 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5297 j = seed%2 + (seed%2 >= j); seed /= 2;
5298 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5299 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5300 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5301 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5302 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5303 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5304 put(board, exoPieces[0], 0, 0, ANY);
5305 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5309 InitPosition(redraw)
5312 ChessSquare (* pieces)[BOARD_FILES];
5313 int i, j, pawnRow, overrule,
5314 oldx = gameInfo.boardWidth,
5315 oldy = gameInfo.boardHeight,
5316 oldh = gameInfo.holdingsWidth,
5317 oldv = gameInfo.variant;
5319 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5321 /* [AS] Initialize pv info list [HGM] and game status */
5323 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5324 pvInfoList[i].depth = 0;
5325 boards[i][EP_STATUS] = EP_NONE;
5326 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5329 initialRulePlies = 0; /* 50-move counter start */
5331 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5332 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5336 /* [HGM] logic here is completely changed. In stead of full positions */
5337 /* the initialized data only consist of the two backranks. The switch */
5338 /* selects which one we will use, which is than copied to the Board */
5339 /* initialPosition, which for the rest is initialized by Pawns and */
5340 /* empty squares. This initial position is then copied to boards[0], */
5341 /* possibly after shuffling, so that it remains available. */
5343 gameInfo.holdingsWidth = 0; /* default board sizes */
5344 gameInfo.boardWidth = 8;
5345 gameInfo.boardHeight = 8;
5346 gameInfo.holdingsSize = 0;
5347 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5348 for(i=0; i<BOARD_FILES-2; i++)
5349 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5350 initialPosition[EP_STATUS] = EP_NONE;
5351 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5352 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5353 SetCharTable(pieceNickName, appData.pieceNickNames);
5354 else SetCharTable(pieceNickName, "............");
5356 switch (gameInfo.variant) {
5357 case VariantFischeRandom:
5358 shuffleOpenings = TRUE;
5362 case VariantShatranj:
5363 pieces = ShatranjArray;
5364 nrCastlingRights = 0;
5365 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5368 pieces = makrukArray;
5369 nrCastlingRights = 0;
5370 startedFromSetupPosition = TRUE;
5371 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5373 case VariantTwoKings:
5374 pieces = twoKingsArray;
5376 case VariantCapaRandom:
5377 shuffleOpenings = TRUE;
5378 case VariantCapablanca:
5379 pieces = CapablancaArray;
5380 gameInfo.boardWidth = 10;
5381 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5384 pieces = GothicArray;
5385 gameInfo.boardWidth = 10;
5386 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5389 pieces = JanusArray;
5390 gameInfo.boardWidth = 10;
5391 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5392 nrCastlingRights = 6;
5393 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5394 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5395 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5396 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5397 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5398 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5401 pieces = FalconArray;
5402 gameInfo.boardWidth = 10;
5403 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5405 case VariantXiangqi:
5406 pieces = XiangqiArray;
5407 gameInfo.boardWidth = 9;
5408 gameInfo.boardHeight = 10;
5409 nrCastlingRights = 0;
5410 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5413 pieces = ShogiArray;
5414 gameInfo.boardWidth = 9;
5415 gameInfo.boardHeight = 9;
5416 gameInfo.holdingsSize = 7;
5417 nrCastlingRights = 0;
5418 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5420 case VariantCourier:
5421 pieces = CourierArray;
5422 gameInfo.boardWidth = 12;
5423 nrCastlingRights = 0;
5424 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5426 case VariantKnightmate:
5427 pieces = KnightmateArray;
5428 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5431 pieces = fairyArray;
5432 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5435 pieces = GreatArray;
5436 gameInfo.boardWidth = 10;
5437 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5438 gameInfo.holdingsSize = 8;
5442 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5443 gameInfo.holdingsSize = 8;
5444 startedFromSetupPosition = TRUE;
5446 case VariantCrazyhouse:
5447 case VariantBughouse:
5449 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5450 gameInfo.holdingsSize = 5;
5452 case VariantWildCastle:
5454 /* !!?shuffle with kings guaranteed to be on d or e file */
5455 shuffleOpenings = 1;
5457 case VariantNoCastle:
5459 nrCastlingRights = 0;
5460 /* !!?unconstrained back-rank shuffle */
5461 shuffleOpenings = 1;
5466 if(appData.NrFiles >= 0) {
5467 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5468 gameInfo.boardWidth = appData.NrFiles;
5470 if(appData.NrRanks >= 0) {
5471 gameInfo.boardHeight = appData.NrRanks;
5473 if(appData.holdingsSize >= 0) {
5474 i = appData.holdingsSize;
5475 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5476 gameInfo.holdingsSize = i;
5478 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5479 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5480 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5482 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5483 if(pawnRow < 1) pawnRow = 1;
5484 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5486 /* User pieceToChar list overrules defaults */
5487 if(appData.pieceToCharTable != NULL)
5488 SetCharTable(pieceToChar, appData.pieceToCharTable);
5490 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5492 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5493 s = (ChessSquare) 0; /* account holding counts in guard band */
5494 for( i=0; i<BOARD_HEIGHT; i++ )
5495 initialPosition[i][j] = s;
5497 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5498 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5499 initialPosition[pawnRow][j] = WhitePawn;
5500 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5501 if(gameInfo.variant == VariantXiangqi) {
5503 initialPosition[pawnRow][j] =
5504 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5505 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5506 initialPosition[2][j] = WhiteCannon;
5507 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5511 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5513 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5516 initialPosition[1][j] = WhiteBishop;
5517 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5519 initialPosition[1][j] = WhiteRook;
5520 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5523 if( nrCastlingRights == -1) {
5524 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5525 /* This sets default castling rights from none to normal corners */
5526 /* Variants with other castling rights must set them themselves above */
5527 nrCastlingRights = 6;
5529 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5530 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5531 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5532 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5533 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5534 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5537 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5538 if(gameInfo.variant == VariantGreat) { // promotion commoners
5539 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5540 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5541 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5542 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5544 if (appData.debugMode) {
5545 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5547 if(shuffleOpenings) {
5548 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5549 startedFromSetupPosition = TRUE;
5551 if(startedFromPositionFile) {
5552 /* [HGM] loadPos: use PositionFile for every new game */
5553 CopyBoard(initialPosition, filePosition);
5554 for(i=0; i<nrCastlingRights; i++)
5555 initialRights[i] = filePosition[CASTLING][i];
5556 startedFromSetupPosition = TRUE;
5559 CopyBoard(boards[0], initialPosition);
5561 if(oldx != gameInfo.boardWidth ||
5562 oldy != gameInfo.boardHeight ||
5563 oldh != gameInfo.holdingsWidth
5565 || oldv == VariantGothic || // For licensing popups
5566 gameInfo.variant == VariantGothic
5569 || oldv == VariantFalcon ||
5570 gameInfo.variant == VariantFalcon
5573 InitDrawingSizes(-2 ,0);
5576 DrawPosition(TRUE, boards[currentMove]);
5580 SendBoard(cps, moveNum)
5581 ChessProgramState *cps;
5584 char message[MSG_SIZ];
5586 if (cps->useSetboard) {
5587 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5588 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5589 SendToProgram(message, cps);
5595 /* Kludge to set black to move, avoiding the troublesome and now
5596 * deprecated "black" command.
5598 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5600 SendToProgram("edit\n", cps);
5601 SendToProgram("#\n", cps);
5602 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5603 bp = &boards[moveNum][i][BOARD_LEFT];
5604 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5605 if ((int) *bp < (int) BlackPawn) {
5606 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5608 if(message[0] == '+' || message[0] == '~') {
5609 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5610 PieceToChar((ChessSquare)(DEMOTED *bp)),
5613 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5614 message[1] = BOARD_RGHT - 1 - j + '1';
5615 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5617 SendToProgram(message, cps);
5622 SendToProgram("c\n", cps);
5623 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5624 bp = &boards[moveNum][i][BOARD_LEFT];
5625 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5626 if (((int) *bp != (int) EmptySquare)
5627 && ((int) *bp >= (int) BlackPawn)) {
5628 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5630 if(message[0] == '+' || message[0] == '~') {
5631 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5632 PieceToChar((ChessSquare)(DEMOTED *bp)),
5635 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5636 message[1] = BOARD_RGHT - 1 - j + '1';
5637 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5639 SendToProgram(message, cps);
5644 SendToProgram(".\n", cps);
5646 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5649 static int autoQueen; // [HGM] oneclick
5652 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5654 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5655 /* [HGM] add Shogi promotions */
5656 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5661 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5662 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5664 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5665 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5668 piece = boards[currentMove][fromY][fromX];
5669 if(gameInfo.variant == VariantShogi) {
5670 promotionZoneSize = BOARD_HEIGHT/3;
5671 highestPromotingPiece = (int)WhiteFerz;
5672 } else if(gameInfo.variant == VariantMakruk) {
5673 promotionZoneSize = 3;
5676 // next weed out all moves that do not touch the promotion zone at all
5677 if((int)piece >= BlackPawn) {
5678 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5680 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5682 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5683 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5686 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5688 // weed out mandatory Shogi promotions
5689 if(gameInfo.variant == VariantShogi) {
5690 if(piece >= BlackPawn) {
5691 if(toY == 0 && piece == BlackPawn ||
5692 toY == 0 && piece == BlackQueen ||
5693 toY <= 1 && piece == BlackKnight) {
5698 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5699 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5700 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5707 // weed out obviously illegal Pawn moves
5708 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5709 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5710 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5711 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5712 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5713 // note we are not allowed to test for valid (non-)capture, due to premove
5716 // we either have a choice what to promote to, or (in Shogi) whether to promote
5717 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5718 *promoChoice = PieceToChar(BlackFerz); // no choice
5721 // no sense asking what we must promote to if it is going to explode...
5722 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5723 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5726 if(autoQueen) { // predetermined
5727 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5728 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5729 else *promoChoice = PieceToChar(BlackQueen);
5733 // suppress promotion popup on illegal moves that are not premoves
5734 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5735 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5736 if(appData.testLegality && !premove) {
5737 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5738 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5739 if(moveType != WhitePromotion && moveType != BlackPromotion)
5747 InPalace(row, column)
5749 { /* [HGM] for Xiangqi */
5750 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5751 column < (BOARD_WIDTH + 4)/2 &&
5752 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5757 PieceForSquare (x, y)
5761 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5764 return boards[currentMove][y][x];
5768 OKToStartUserMove(x, y)
5771 ChessSquare from_piece;
5774 if (matchMode) return FALSE;
5775 if (gameMode == EditPosition) return TRUE;
5777 if (x >= 0 && y >= 0)
5778 from_piece = boards[currentMove][y][x];
5780 from_piece = EmptySquare;
5782 if (from_piece == EmptySquare) return FALSE;
5784 white_piece = (int)from_piece >= (int)WhitePawn &&
5785 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5788 case PlayFromGameFile:
5790 case TwoMachinesPlay:
5798 case MachinePlaysWhite:
5799 case IcsPlayingBlack:
5800 if (appData.zippyPlay) return FALSE;
5802 DisplayMoveError(_("You are playing Black"));
5807 case MachinePlaysBlack:
5808 case IcsPlayingWhite:
5809 if (appData.zippyPlay) return FALSE;
5811 DisplayMoveError(_("You are playing White"));
5817 if (!white_piece && WhiteOnMove(currentMove)) {
5818 DisplayMoveError(_("It is White's turn"));
5821 if (white_piece && !WhiteOnMove(currentMove)) {
5822 DisplayMoveError(_("It is Black's turn"));
5825 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5826 /* Editing correspondence game history */
5827 /* Could disallow this or prompt for confirmation */
5832 case BeginningOfGame:
5833 if (appData.icsActive) return FALSE;
5834 if (!appData.noChessProgram) {
5836 DisplayMoveError(_("You are playing White"));
5843 if (!white_piece && WhiteOnMove(currentMove)) {
5844 DisplayMoveError(_("It is White's turn"));
5847 if (white_piece && !WhiteOnMove(currentMove)) {
5848 DisplayMoveError(_("It is Black's turn"));
5857 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5858 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5859 && gameMode != AnalyzeFile && gameMode != Training) {
5860 DisplayMoveError(_("Displayed position is not current"));
5867 OnlyMove(int *x, int *y, Boolean captures) {
5868 DisambiguateClosure cl;
5869 if (appData.zippyPlay) return FALSE;
5871 case MachinePlaysBlack:
5872 case IcsPlayingWhite:
5873 case BeginningOfGame:
5874 if(!WhiteOnMove(currentMove)) return FALSE;
5876 case MachinePlaysWhite:
5877 case IcsPlayingBlack:
5878 if(WhiteOnMove(currentMove)) return FALSE;
5885 cl.pieceIn = EmptySquare;
5890 cl.promoCharIn = NULLCHAR;
5891 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5892 if( cl.kind == NormalMove ||
5893 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5894 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5895 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5902 if(cl.kind != ImpossibleMove) return FALSE;
5903 cl.pieceIn = EmptySquare;
5908 cl.promoCharIn = NULLCHAR;
5909 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5910 if( cl.kind == NormalMove ||
5911 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5912 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5913 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5918 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5924 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5925 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5926 int lastLoadGameUseList = FALSE;
5927 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5928 ChessMove lastLoadGameStart = EndOfFile;
5931 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5932 int fromX, fromY, toX, toY;
5936 ChessSquare pdown, pup;
5938 /* Check if the user is playing in turn. This is complicated because we
5939 let the user "pick up" a piece before it is his turn. So the piece he
5940 tried to pick up may have been captured by the time he puts it down!
5941 Therefore we use the color the user is supposed to be playing in this
5942 test, not the color of the piece that is currently on the starting
5943 square---except in EditGame mode, where the user is playing both
5944 sides; fortunately there the capture race can't happen. (It can
5945 now happen in IcsExamining mode, but that's just too bad. The user
5946 will get a somewhat confusing message in that case.)
5950 case PlayFromGameFile:
5952 case TwoMachinesPlay:
5956 /* We switched into a game mode where moves are not accepted,
5957 perhaps while the mouse button was down. */
5960 case MachinePlaysWhite:
5961 /* User is moving for Black */
5962 if (WhiteOnMove(currentMove)) {
5963 DisplayMoveError(_("It is White's turn"));
5968 case MachinePlaysBlack:
5969 /* User is moving for White */
5970 if (!WhiteOnMove(currentMove)) {
5971 DisplayMoveError(_("It is Black's turn"));
5978 case BeginningOfGame:
5981 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5982 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5983 /* User is moving for Black */
5984 if (WhiteOnMove(currentMove)) {
5985 DisplayMoveError(_("It is White's turn"));
5989 /* User is moving for White */
5990 if (!WhiteOnMove(currentMove)) {
5991 DisplayMoveError(_("It is Black's turn"));
5997 case IcsPlayingBlack:
5998 /* User is moving for Black */
5999 if (WhiteOnMove(currentMove)) {
6000 if (!appData.premove) {
6001 DisplayMoveError(_("It is White's turn"));
6002 } else if (toX >= 0 && toY >= 0) {
6005 premoveFromX = fromX;
6006 premoveFromY = fromY;
6007 premovePromoChar = promoChar;
6009 if (appData.debugMode)
6010 fprintf(debugFP, "Got premove: fromX %d,"
6011 "fromY %d, toX %d, toY %d\n",
6012 fromX, fromY, toX, toY);
6018 case IcsPlayingWhite:
6019 /* User is moving for White */
6020 if (!WhiteOnMove(currentMove)) {
6021 if (!appData.premove) {
6022 DisplayMoveError(_("It is Black's turn"));
6023 } else if (toX >= 0 && toY >= 0) {
6026 premoveFromX = fromX;
6027 premoveFromY = fromY;
6028 premovePromoChar = promoChar;
6030 if (appData.debugMode)
6031 fprintf(debugFP, "Got premove: fromX %d,"
6032 "fromY %d, toX %d, toY %d\n",
6033 fromX, fromY, toX, toY);
6043 /* EditPosition, empty square, or different color piece;
6044 click-click move is possible */
6045 if (toX == -2 || toY == -2) {
6046 boards[0][fromY][fromX] = EmptySquare;
6047 DrawPosition(FALSE, boards[currentMove]);
6049 } else if (toX >= 0 && toY >= 0) {
6050 boards[0][toY][toX] = boards[0][fromY][fromX];
6051 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6052 if(boards[0][fromY][0] != EmptySquare) {
6053 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6054 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6057 if(fromX == BOARD_RGHT+1) {
6058 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6059 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6060 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6063 boards[0][fromY][fromX] = EmptySquare;
6064 DrawPosition(FALSE, boards[currentMove]);
6070 if(toX < 0 || toY < 0) return;
6071 pdown = boards[currentMove][fromY][fromX];
6072 pup = boards[currentMove][toY][toX];
6074 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6075 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6076 if( pup != EmptySquare ) return;
6077 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6078 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6079 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6080 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6081 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6082 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6083 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6087 /* [HGM] always test for legality, to get promotion info */
6088 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6089 fromY, fromX, toY, toX, promoChar);
6090 /* [HGM] but possibly ignore an IllegalMove result */
6091 if (appData.testLegality) {
6092 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6093 DisplayMoveError(_("Illegal move"));
6098 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6101 /* Common tail of UserMoveEvent and DropMenuEvent */
6103 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6105 int fromX, fromY, toX, toY;
6106 /*char*/int promoChar;
6110 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6111 // [HGM] superchess: suppress promotions to non-available piece
6112 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6113 if(WhiteOnMove(currentMove)) {
6114 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6116 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6120 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6121 move type in caller when we know the move is a legal promotion */
6122 if(moveType == NormalMove && promoChar)
6123 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6125 /* [HGM] <popupFix> The following if has been moved here from
6126 UserMoveEvent(). Because it seemed to belong here (why not allow
6127 piece drops in training games?), and because it can only be
6128 performed after it is known to what we promote. */
6129 if (gameMode == Training) {
6130 /* compare the move played on the board to the next move in the
6131 * game. If they match, display the move and the opponent's response.
6132 * If they don't match, display an error message.
6136 CopyBoard(testBoard, boards[currentMove]);
6137 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6139 if (CompareBoards(testBoard, boards[currentMove+1])) {
6140 ForwardInner(currentMove+1);
6142 /* Autoplay the opponent's response.
6143 * if appData.animate was TRUE when Training mode was entered,
6144 * the response will be animated.
6146 saveAnimate = appData.animate;
6147 appData.animate = animateTraining;
6148 ForwardInner(currentMove+1);
6149 appData.animate = saveAnimate;
6151 /* check for the end of the game */
6152 if (currentMove >= forwardMostMove) {
6153 gameMode = PlayFromGameFile;
6155 SetTrainingModeOff();
6156 DisplayInformation(_("End of game"));
6159 DisplayError(_("Incorrect move"), 0);
6164 /* Ok, now we know that the move is good, so we can kill
6165 the previous line in Analysis Mode */
6166 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6167 && currentMove < forwardMostMove) {
6168 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6169 else forwardMostMove = currentMove;
6172 /* If we need the chess program but it's dead, restart it */
6173 ResurrectChessProgram();
6175 /* A user move restarts a paused game*/
6179 thinkOutput[0] = NULLCHAR;
6181 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6183 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6185 if (gameMode == BeginningOfGame) {
6186 if (appData.noChessProgram) {
6187 gameMode = EditGame;
6191 gameMode = MachinePlaysBlack;
6194 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6196 if (first.sendName) {
6197 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6198 SendToProgram(buf, &first);
6205 /* Relay move to ICS or chess engine */
6206 if (appData.icsActive) {
6207 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6208 gameMode == IcsExamining) {
6209 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6210 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6212 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6214 // also send plain move, in case ICS does not understand atomic claims
6215 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6219 if (first.sendTime && (gameMode == BeginningOfGame ||
6220 gameMode == MachinePlaysWhite ||
6221 gameMode == MachinePlaysBlack)) {
6222 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6224 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6225 // [HGM] book: if program might be playing, let it use book
6226 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6227 first.maybeThinking = TRUE;
6228 } else SendMoveToProgram(forwardMostMove-1, &first);
6229 if (currentMove == cmailOldMove + 1) {
6230 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6234 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6238 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6244 if (WhiteOnMove(currentMove)) {
6245 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6247 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6251 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6256 case MachinePlaysBlack:
6257 case MachinePlaysWhite:
6258 /* disable certain menu options while machine is thinking */
6259 SetMachineThinkingEnables();
6266 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6268 if(bookHit) { // [HGM] book: simulate book reply
6269 static char bookMove[MSG_SIZ]; // a bit generous?
6271 programStats.nodes = programStats.depth = programStats.time =
6272 programStats.score = programStats.got_only_move = 0;
6273 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6275 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6276 strcat(bookMove, bookHit);
6277 HandleMachineMove(bookMove, &first);
6283 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6290 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6291 Markers *m = (Markers *) closure;
6292 if(rf == fromY && ff == fromX)
6293 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6294 || kind == WhiteCapturesEnPassant
6295 || kind == BlackCapturesEnPassant);
6296 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6300 MarkTargetSquares(int clear)
6303 if(!appData.markers || !appData.highlightDragging ||
6304 !appData.testLegality || gameMode == EditPosition) return;
6306 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6309 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6310 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6311 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6313 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6316 DrawPosition(TRUE, NULL);
6320 Explode(Board board, int fromX, int fromY, int toX, int toY)
6322 if(gameInfo.variant == VariantAtomic &&
6323 (board[toY][toX] != EmptySquare || // capture?
6324 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6325 board[fromY][fromX] == BlackPawn )
6327 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6333 void LeftClick(ClickType clickType, int xPix, int yPix)
6336 Boolean saveAnimate;
6337 static int second = 0, promotionChoice = 0, dragging = 0;
6338 char promoChoice = NULLCHAR;
6340 if(appData.seekGraph && appData.icsActive && loggedOn &&
6341 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6342 SeekGraphClick(clickType, xPix, yPix, 0);
6346 if (clickType == Press) ErrorPopDown();
6347 MarkTargetSquares(1);
6349 x = EventToSquare(xPix, BOARD_WIDTH);
6350 y = EventToSquare(yPix, BOARD_HEIGHT);
6351 if (!flipView && y >= 0) {
6352 y = BOARD_HEIGHT - 1 - y;
6354 if (flipView && x >= 0) {
6355 x = BOARD_WIDTH - 1 - x;
6358 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6359 if(clickType == Release) return; // ignore upclick of click-click destination
6360 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6361 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6362 if(gameInfo.holdingsWidth &&
6363 (WhiteOnMove(currentMove)
6364 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6365 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6366 // click in right holdings, for determining promotion piece
6367 ChessSquare p = boards[currentMove][y][x];
6368 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6369 if(p != EmptySquare) {
6370 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6375 DrawPosition(FALSE, boards[currentMove]);
6379 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6380 if(clickType == Press
6381 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6382 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6383 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6386 autoQueen = appData.alwaysPromoteToQueen;
6389 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6390 if (clickType == Press) {
6392 if (OKToStartUserMove(x, y)) {
6396 MarkTargetSquares(0);
6397 DragPieceBegin(xPix, yPix); dragging = 1;
6398 if (appData.highlightDragging) {
6399 SetHighlights(x, y, -1, -1);
6402 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6403 DragPieceEnd(xPix, yPix); dragging = 0;
6404 DrawPosition(FALSE, NULL);
6411 if (clickType == Press && gameMode != EditPosition) {
6416 // ignore off-board to clicks
6417 if(y < 0 || x < 0) return;
6419 /* Check if clicking again on the same color piece */
6420 fromP = boards[currentMove][fromY][fromX];
6421 toP = boards[currentMove][y][x];
6422 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6423 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6424 WhitePawn <= toP && toP <= WhiteKing &&
6425 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6426 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6427 (BlackPawn <= fromP && fromP <= BlackKing &&
6428 BlackPawn <= toP && toP <= BlackKing &&
6429 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6430 !(fromP == BlackKing && toP == BlackRook && frc))) {
6431 /* Clicked again on same color piece -- changed his mind */
6432 second = (x == fromX && y == fromY);
6433 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6434 if (appData.highlightDragging) {
6435 SetHighlights(x, y, -1, -1);
6439 if (OKToStartUserMove(x, y)) {
6441 fromY = y; dragging = 1;
6442 MarkTargetSquares(0);
6443 DragPieceBegin(xPix, yPix);
6448 // ignore clicks on holdings
6449 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6452 if (clickType == Release && x == fromX && y == fromY) {
6453 DragPieceEnd(xPix, yPix); dragging = 0;
6454 if (appData.animateDragging) {
6455 /* Undo animation damage if any */
6456 DrawPosition(FALSE, NULL);
6459 /* Second up/down in same square; just abort move */
6464 ClearPremoveHighlights();
6466 /* First upclick in same square; start click-click mode */
6467 SetHighlights(x, y, -1, -1);
6472 /* we now have a different from- and (possibly off-board) to-square */
6473 /* Completed move */
6476 saveAnimate = appData.animate;
6477 if (clickType == Press) {
6478 /* Finish clickclick move */
6479 if (appData.animate || appData.highlightLastMove) {
6480 SetHighlights(fromX, fromY, toX, toY);
6485 /* Finish drag move */
6486 if (appData.highlightLastMove) {
6487 SetHighlights(fromX, fromY, toX, toY);
6491 DragPieceEnd(xPix, yPix); dragging = 0;
6492 /* Don't animate move and drag both */
6493 appData.animate = FALSE;
6496 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6497 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6498 ChessSquare piece = boards[currentMove][fromY][fromX];
6499 if(gameMode == EditPosition && piece != EmptySquare &&
6500 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6503 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6504 n = PieceToNumber(piece - (int)BlackPawn);
6505 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6506 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6507 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6509 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6510 n = PieceToNumber(piece);
6511 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6512 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6513 boards[currentMove][n][BOARD_WIDTH-2]++;
6515 boards[currentMove][fromY][fromX] = EmptySquare;
6519 DrawPosition(TRUE, boards[currentMove]);
6523 // off-board moves should not be highlighted
6524 if(x < 0 || x < 0) ClearHighlights();
6526 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6527 SetHighlights(fromX, fromY, toX, toY);
6528 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6529 // [HGM] super: promotion to captured piece selected from holdings
6530 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6531 promotionChoice = TRUE;
6532 // kludge follows to temporarily execute move on display, without promoting yet
6533 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6534 boards[currentMove][toY][toX] = p;
6535 DrawPosition(FALSE, boards[currentMove]);
6536 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6537 boards[currentMove][toY][toX] = q;
6538 DisplayMessage("Click in holdings to choose piece", "");
6543 int oldMove = currentMove;
6544 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6545 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6546 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6547 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6548 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6549 DrawPosition(TRUE, boards[currentMove]);
6552 appData.animate = saveAnimate;
6553 if (appData.animate || appData.animateDragging) {
6554 /* Undo animation damage if needed */
6555 DrawPosition(FALSE, NULL);
6559 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6560 { // front-end-free part taken out of PieceMenuPopup
6561 int whichMenu; int xSqr, ySqr;
6563 if(seekGraphUp) { // [HGM] seekgraph
6564 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6565 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6569 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6570 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6571 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6572 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6573 if(action == Press) {
6574 originalFlip = flipView;
6575 flipView = !flipView; // temporarily flip board to see game from partners perspective
6576 DrawPosition(TRUE, partnerBoard);
6577 DisplayMessage(partnerStatus, "");
6579 } else if(action == Release) {
6580 flipView = originalFlip;
6581 DrawPosition(TRUE, boards[currentMove]);
6587 xSqr = EventToSquare(x, BOARD_WIDTH);
6588 ySqr = EventToSquare(y, BOARD_HEIGHT);
6589 if (action == Release) UnLoadPV(); // [HGM] pv
6590 if (action != Press) return -2; // return code to be ignored
6593 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6595 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6596 if (xSqr < 0 || ySqr < 0) return -1;
\r
6597 whichMenu = 0; // edit-position menu
6600 if(!appData.icsEngineAnalyze) return -1;
6601 case IcsPlayingWhite:
6602 case IcsPlayingBlack:
6603 if(!appData.zippyPlay) goto noZip;
6606 case MachinePlaysWhite:
6607 case MachinePlaysBlack:
6608 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6609 if (!appData.dropMenu) {
6611 return 2; // flag front-end to grab mouse events
6613 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6614 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6617 if (xSqr < 0 || ySqr < 0) return -1;
6618 if (!appData.dropMenu || appData.testLegality &&
6619 gameInfo.variant != VariantBughouse &&
6620 gameInfo.variant != VariantCrazyhouse) return -1;
6621 whichMenu = 1; // drop menu
6627 if (((*fromX = xSqr) < 0) ||
6628 ((*fromY = ySqr) < 0)) {
6629 *fromX = *fromY = -1;
6633 *fromX = BOARD_WIDTH - 1 - *fromX;
6635 *fromY = BOARD_HEIGHT - 1 - *fromY;
6640 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6642 // char * hint = lastHint;
6643 FrontEndProgramStats stats;
6645 stats.which = cps == &first ? 0 : 1;
6646 stats.depth = cpstats->depth;
6647 stats.nodes = cpstats->nodes;
6648 stats.score = cpstats->score;
6649 stats.time = cpstats->time;
6650 stats.pv = cpstats->movelist;
6651 stats.hint = lastHint;
6652 stats.an_move_index = 0;
6653 stats.an_move_count = 0;
6655 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6656 stats.hint = cpstats->move_name;
6657 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6658 stats.an_move_count = cpstats->nr_moves;
6661 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
6663 SetProgramStats( &stats );
6667 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6668 { // count all piece types
6670 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6671 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6672 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6675 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6676 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6677 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6678 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6679 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6680 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6685 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6687 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6688 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6690 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6691 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6692 if(myPawns == 2 && nMine == 3) // KPP
6693 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6694 if(myPawns == 1 && nMine == 2) // KP
6695 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6696 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6697 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6698 if(myPawns) return FALSE;
6699 if(pCnt[WhiteRook+side])
6700 return pCnt[BlackRook-side] ||
6701 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6702 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6703 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6704 if(pCnt[WhiteCannon+side]) {
6705 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6706 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6708 if(pCnt[WhiteKnight+side])
6709 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6714 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6716 VariantClass v = gameInfo.variant;
6718 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6719 if(v == VariantShatranj) return TRUE; // always winnable through baring
6720 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6721 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6723 if(v == VariantXiangqi) {
6724 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6726 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6727 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6728 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6729 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6730 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6731 if(stale) // we have at least one last-rank P plus perhaps C
6732 return majors // KPKX
6733 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6735 return pCnt[WhiteFerz+side] // KCAK
6736 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6737 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6738 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6740 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6741 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6743 if(nMine == 1) return FALSE; // bare King
6744 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
6745 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6746 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6747 // by now we have King + 1 piece (or multiple Bishops on the same color)
6748 if(pCnt[WhiteKnight+side])
6749 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6750 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6751 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6753 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6754 if(pCnt[WhiteAlfil+side])
6755 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6756 if(pCnt[WhiteWazir+side])
6757 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6764 Adjudicate(ChessProgramState *cps)
6765 { // [HGM] some adjudications useful with buggy engines
6766 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6767 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6768 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6769 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6770 int k, count = 0; static int bare = 1;
6771 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6772 Boolean canAdjudicate = !appData.icsActive;
6774 // most tests only when we understand the game, i.e. legality-checking on
6775 if( appData.testLegality )
6776 { /* [HGM] Some more adjudications for obstinate engines */
6777 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6778 static int moveCount = 6;
6780 char *reason = NULL;
6782 /* Count what is on board. */
6783 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6785 /* Some material-based adjudications that have to be made before stalemate test */
6786 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6787 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6788 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6789 if(canAdjudicate && appData.checkMates) {
6791 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6792 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6793 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6794 "Xboard adjudication: King destroyed", GE_XBOARD );
6799 /* Bare King in Shatranj (loses) or Losers (wins) */
6800 if( nrW == 1 || nrB == 1) {
6801 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6802 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6803 if(canAdjudicate && appData.checkMates) {
6805 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6806 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6807 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6808 "Xboard adjudication: Bare king", GE_XBOARD );
6812 if( gameInfo.variant == VariantShatranj && --bare < 0)
6814 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6815 if(canAdjudicate && appData.checkMates) {
6816 /* but only adjudicate if adjudication enabled */
6818 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6819 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6820 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6821 "Xboard adjudication: Bare king", GE_XBOARD );
6828 // don't wait for engine to announce game end if we can judge ourselves
6829 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6831 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6832 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6833 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6834 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6837 reason = "Xboard adjudication: 3rd check";
6838 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6848 reason = "Xboard adjudication: Stalemate";
6849 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6850 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6851 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6852 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6853 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6854 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6855 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6856 EP_CHECKMATE : EP_WINS);
6857 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6858 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6862 reason = "Xboard adjudication: Checkmate";
6863 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6867 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6869 result = GameIsDrawn; break;
6871 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6873 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6877 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6879 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6880 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6881 GameEnds( result, reason, GE_XBOARD );
6885 /* Next absolutely insufficient mating material. */
6886 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6887 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6888 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6890 /* always flag draws, for judging claims */
6891 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6893 if(canAdjudicate && appData.materialDraws) {
6894 /* but only adjudicate them if adjudication enabled */
6895 if(engineOpponent) {
6896 SendToProgram("force\n", engineOpponent); // suppress reply
6897 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6899 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6900 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6905 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6906 if(gameInfo.variant == VariantXiangqi ?
6907 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6909 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6910 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6911 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6912 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6914 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6915 { /* if the first 3 moves do not show a tactical win, declare draw */
6916 if(engineOpponent) {
6917 SendToProgram("force\n", engineOpponent); // suppress reply
6918 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6920 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6921 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6924 } else moveCount = 6;
6926 if (appData.debugMode) { int i;
6927 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6928 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6929 appData.drawRepeats);
6930 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6931 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6935 // Repetition draws and 50-move rule can be applied independently of legality testing
6937 /* Check for rep-draws */
6939 for(k = forwardMostMove-2;
6940 k>=backwardMostMove && k>=forwardMostMove-100 &&
6941 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6942 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6945 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6946 /* compare castling rights */
6947 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6948 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6949 rights++; /* King lost rights, while rook still had them */
6950 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6951 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6952 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6953 rights++; /* but at least one rook lost them */
6955 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6956 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6958 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6959 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6960 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6963 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6964 && appData.drawRepeats > 1) {
6965 /* adjudicate after user-specified nr of repeats */
6966 int result = GameIsDrawn;
6967 char *details = "XBoard adjudication: repetition draw";
6968 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6969 // [HGM] xiangqi: check for forbidden perpetuals
6970 int m, ourPerpetual = 1, hisPerpetual = 1;
6971 for(m=forwardMostMove; m>k; m-=2) {
6972 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6973 ourPerpetual = 0; // the current mover did not always check
6974 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6975 hisPerpetual = 0; // the opponent did not always check
6977 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6978 ourPerpetual, hisPerpetual);
6979 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6980 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6981 details = "Xboard adjudication: perpetual checking";
6983 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6984 break; // (or we would have caught him before). Abort repetition-checking loop.
6986 // Now check for perpetual chases
6987 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6988 hisPerpetual = PerpetualChase(k, forwardMostMove);
6989 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6990 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6991 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6992 details = "Xboard adjudication: perpetual chasing";
6994 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6995 break; // Abort repetition-checking loop.
6997 // if neither of us is checking or chasing all the time, or both are, it is draw
6999 if(engineOpponent) {
7000 SendToProgram("force\n", engineOpponent); // suppress reply
7001 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7003 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7004 GameEnds( result, details, GE_XBOARD );
7007 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7008 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7012 /* Now we test for 50-move draws. Determine ply count */
7013 count = forwardMostMove;
7014 /* look for last irreversble move */
7015 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7017 /* if we hit starting position, add initial plies */
7018 if( count == backwardMostMove )
7019 count -= initialRulePlies;
7020 count = forwardMostMove - count;
7021 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7022 // adjust reversible move counter for checks in Xiangqi
7023 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7024 if(i < backwardMostMove) i = backwardMostMove;
7025 while(i <= forwardMostMove) {
7026 lastCheck = inCheck; // check evasion does not count
7027 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7028 if(inCheck || lastCheck) count--; // check does not count
7033 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7034 /* this is used to judge if draw claims are legal */
7035 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7036 if(engineOpponent) {
7037 SendToProgram("force\n", engineOpponent); // suppress reply
7038 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7040 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7041 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7045 /* if draw offer is pending, treat it as a draw claim
7046 * when draw condition present, to allow engines a way to
7047 * claim draws before making their move to avoid a race
7048 * condition occurring after their move
7050 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7052 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7053 p = "Draw claim: 50-move rule";
7054 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7055 p = "Draw claim: 3-fold repetition";
7056 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7057 p = "Draw claim: insufficient mating material";
7058 if( p != NULL && canAdjudicate) {
7059 if(engineOpponent) {
7060 SendToProgram("force\n", engineOpponent); // suppress reply
7061 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7063 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7064 GameEnds( GameIsDrawn, p, GE_XBOARD );
7069 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7070 if(engineOpponent) {
7071 SendToProgram("force\n", engineOpponent); // suppress reply
7072 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7074 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7075 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7081 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7082 { // [HGM] book: this routine intercepts moves to simulate book replies
7083 char *bookHit = NULL;
7085 //first determine if the incoming move brings opponent into his book
7086 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7087 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7088 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7089 if(bookHit != NULL && !cps->bookSuspend) {
7090 // make sure opponent is not going to reply after receiving move to book position
7091 SendToProgram("force\n", cps);
7092 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7094 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7095 // now arrange restart after book miss
7097 // after a book hit we never send 'go', and the code after the call to this routine
7098 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7100 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7101 SendToProgram(buf, cps);
7102 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7103 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7104 SendToProgram("go\n", cps);
7105 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7106 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7107 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7108 SendToProgram("go\n", cps);
7109 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7111 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7115 ChessProgramState *savedState;
7116 void DeferredBookMove(void)
7118 if(savedState->lastPing != savedState->lastPong)
7119 ScheduleDelayedEvent(DeferredBookMove, 10);
7121 HandleMachineMove(savedMessage, savedState);
7125 HandleMachineMove(message, cps)
7127 ChessProgramState *cps;
7129 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7130 char realname[MSG_SIZ];
7131 int fromX, fromY, toX, toY;
7140 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7142 * Kludge to ignore BEL characters
7144 while (*message == '\007') message++;
7147 * [HGM] engine debug message: ignore lines starting with '#' character
7149 if(cps->debug && *message == '#') return;
7152 * Look for book output
7154 if (cps == &first && bookRequested) {
7155 if (message[0] == '\t' || message[0] == ' ') {
7156 /* Part of the book output is here; append it */
7157 strcat(bookOutput, message);
7158 strcat(bookOutput, " \n");
7160 } else if (bookOutput[0] != NULLCHAR) {
7161 /* All of book output has arrived; display it */
7162 char *p = bookOutput;
7163 while (*p != NULLCHAR) {
7164 if (*p == '\t') *p = ' ';
7167 DisplayInformation(bookOutput);
7168 bookRequested = FALSE;
7169 /* Fall through to parse the current output */
7174 * Look for machine move.
7176 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7177 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7179 /* This method is only useful on engines that support ping */
7180 if (cps->lastPing != cps->lastPong) {
7181 if (gameMode == BeginningOfGame) {
7182 /* Extra move from before last new; ignore */
7183 if (appData.debugMode) {
7184 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7187 if (appData.debugMode) {
7188 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7189 cps->which, gameMode);
7192 SendToProgram("undo\n", cps);
7198 case BeginningOfGame:
7199 /* Extra move from before last reset; ignore */
7200 if (appData.debugMode) {
7201 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7208 /* Extra move after we tried to stop. The mode test is
7209 not a reliable way of detecting this problem, but it's
7210 the best we can do on engines that don't support ping.
7212 if (appData.debugMode) {
7213 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7214 cps->which, gameMode);
7216 SendToProgram("undo\n", cps);
7219 case MachinePlaysWhite:
7220 case IcsPlayingWhite:
7221 machineWhite = TRUE;
7224 case MachinePlaysBlack:
7225 case IcsPlayingBlack:
7226 machineWhite = FALSE;
7229 case TwoMachinesPlay:
7230 machineWhite = (cps->twoMachinesColor[0] == 'w');
7233 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7234 if (appData.debugMode) {
7236 "Ignoring move out of turn by %s, gameMode %d"
7237 ", forwardMost %d\n",
7238 cps->which, gameMode, forwardMostMove);
7243 if (appData.debugMode) { int f = forwardMostMove;
7244 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7245 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7246 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7248 if(cps->alphaRank) AlphaRank(machineMove, 4);
7249 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7250 &fromX, &fromY, &toX, &toY, &promoChar)) {
7251 /* Machine move could not be parsed; ignore it. */
7252 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7253 machineMove, cps->which);
7254 DisplayError(buf1, 0);
7255 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7256 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7257 if (gameMode == TwoMachinesPlay) {
7258 GameEnds(machineWhite ? BlackWins : WhiteWins,
7264 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7265 /* So we have to redo legality test with true e.p. status here, */
7266 /* to make sure an illegal e.p. capture does not slip through, */
7267 /* to cause a forfeit on a justified illegal-move complaint */
7268 /* of the opponent. */
7269 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7271 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7272 fromY, fromX, toY, toX, promoChar);
7273 if (appData.debugMode) {
7275 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7276 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7277 fprintf(debugFP, "castling rights\n");
7279 if(moveType == IllegalMove) {
7280 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7281 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7282 GameEnds(machineWhite ? BlackWins : WhiteWins,
7285 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7286 /* [HGM] Kludge to handle engines that send FRC-style castling
7287 when they shouldn't (like TSCP-Gothic) */
7289 case WhiteASideCastleFR:
7290 case BlackASideCastleFR:
7292 currentMoveString[2]++;
7294 case WhiteHSideCastleFR:
7295 case BlackHSideCastleFR:
7297 currentMoveString[2]--;
7299 default: ; // nothing to do, but suppresses warning of pedantic compilers
7302 hintRequested = FALSE;
7303 lastHint[0] = NULLCHAR;
7304 bookRequested = FALSE;
7305 /* Program may be pondering now */
7306 cps->maybeThinking = TRUE;
7307 if (cps->sendTime == 2) cps->sendTime = 1;
7308 if (cps->offeredDraw) cps->offeredDraw--;
7310 /* currentMoveString is set as a side-effect of ParseOneMove */
7311 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7312 strcat(machineMove, "\n");
7313 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7315 /* [AS] Save move info*/
7316 pvInfoList[ forwardMostMove ].score = programStats.score;
7317 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7318 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7320 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7322 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7323 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7326 while( count < adjudicateLossPlies ) {
7327 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7330 score = -score; /* Flip score for winning side */
7333 if( score > adjudicateLossThreshold ) {
7340 if( count >= adjudicateLossPlies ) {
7341 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7343 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7344 "Xboard adjudication",
7351 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7354 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7356 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7357 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7359 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7361 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7363 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7364 char buf[3*MSG_SIZ];
7366 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7367 programStats.score / 100.,
7369 programStats.time / 100.,
7370 (unsigned int)programStats.nodes,
7371 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7372 programStats.movelist);
7374 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7379 /* [AS] Clear stats for next move */
7380 ClearProgramStats();
7381 thinkOutput[0] = NULLCHAR;
7382 hiddenThinkOutputState = 0;
7385 if (gameMode == TwoMachinesPlay) {
7386 /* [HGM] relaying draw offers moved to after reception of move */
7387 /* and interpreting offer as claim if it brings draw condition */
7388 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7389 SendToProgram("draw\n", cps->other);
7391 if (cps->other->sendTime) {
7392 SendTimeRemaining(cps->other,
7393 cps->other->twoMachinesColor[0] == 'w');
7395 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7396 if (firstMove && !bookHit) {
7398 if (cps->other->useColors) {
7399 SendToProgram(cps->other->twoMachinesColor, cps->other);
7401 SendToProgram("go\n", cps->other);
7403 cps->other->maybeThinking = TRUE;
7406 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7408 if (!pausing && appData.ringBellAfterMoves) {
7413 * Reenable menu items that were disabled while
7414 * machine was thinking
7416 if (gameMode != TwoMachinesPlay)
7417 SetUserThinkingEnables();
7419 // [HGM] book: after book hit opponent has received move and is now in force mode
7420 // force the book reply into it, and then fake that it outputted this move by jumping
7421 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7423 static char bookMove[MSG_SIZ]; // a bit generous?
7425 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7426 strcat(bookMove, bookHit);
7429 programStats.nodes = programStats.depth = programStats.time =
7430 programStats.score = programStats.got_only_move = 0;
7431 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7433 if(cps->lastPing != cps->lastPong) {
7434 savedMessage = message; // args for deferred call
7436 ScheduleDelayedEvent(DeferredBookMove, 10);
7445 /* Set special modes for chess engines. Later something general
7446 * could be added here; for now there is just one kludge feature,
7447 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7448 * when "xboard" is given as an interactive command.
7450 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7451 cps->useSigint = FALSE;
7452 cps->useSigterm = FALSE;
7454 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7455 ParseFeatures(message+8, cps);
7456 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7459 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7460 * want this, I was asked to put it in, and obliged.
7462 if (!strncmp(message, "setboard ", 9)) {
7463 Board initial_position;
7465 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7467 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7468 DisplayError(_("Bad FEN received from engine"), 0);
7472 CopyBoard(boards[0], initial_position);
7473 initialRulePlies = FENrulePlies;
7474 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7475 else gameMode = MachinePlaysBlack;
7476 DrawPosition(FALSE, boards[currentMove]);
7482 * Look for communication commands
7484 if (!strncmp(message, "telluser ", 9)) {
7485 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7486 DisplayNote(message + 9);
7489 if (!strncmp(message, "tellusererror ", 14)) {
7491 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7492 DisplayError(message + 14, 0);
7495 if (!strncmp(message, "tellopponent ", 13)) {
7496 if (appData.icsActive) {
7498 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7502 DisplayNote(message + 13);
7506 if (!strncmp(message, "tellothers ", 11)) {
7507 if (appData.icsActive) {
7509 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7515 if (!strncmp(message, "tellall ", 8)) {
7516 if (appData.icsActive) {
7518 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7522 DisplayNote(message + 8);
7526 if (strncmp(message, "warning", 7) == 0) {
7527 /* Undocumented feature, use tellusererror in new code */
7528 DisplayError(message, 0);
7531 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7532 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7533 strcat(realname, " query");
7534 AskQuestion(realname, buf2, buf1, cps->pr);
7537 /* Commands from the engine directly to ICS. We don't allow these to be
7538 * sent until we are logged on. Crafty kibitzes have been known to
7539 * interfere with the login process.
7542 if (!strncmp(message, "tellics ", 8)) {
7543 SendToICS(message + 8);
7547 if (!strncmp(message, "tellicsnoalias ", 15)) {
7548 SendToICS(ics_prefix);
7549 SendToICS(message + 15);
7553 /* The following are for backward compatibility only */
7554 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7555 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7556 SendToICS(ics_prefix);
7562 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7566 * If the move is illegal, cancel it and redraw the board.
7567 * Also deal with other error cases. Matching is rather loose
7568 * here to accommodate engines written before the spec.
7570 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7571 strncmp(message, "Error", 5) == 0) {
7572 if (StrStr(message, "name") ||
7573 StrStr(message, "rating") || StrStr(message, "?") ||
7574 StrStr(message, "result") || StrStr(message, "board") ||
7575 StrStr(message, "bk") || StrStr(message, "computer") ||
7576 StrStr(message, "variant") || StrStr(message, "hint") ||
7577 StrStr(message, "random") || StrStr(message, "depth") ||
7578 StrStr(message, "accepted")) {
7581 if (StrStr(message, "protover")) {
7582 /* Program is responding to input, so it's apparently done
7583 initializing, and this error message indicates it is
7584 protocol version 1. So we don't need to wait any longer
7585 for it to initialize and send feature commands. */
7586 FeatureDone(cps, 1);
7587 cps->protocolVersion = 1;
7590 cps->maybeThinking = FALSE;
7592 if (StrStr(message, "draw")) {
7593 /* Program doesn't have "draw" command */
7594 cps->sendDrawOffers = 0;
7597 if (cps->sendTime != 1 &&
7598 (StrStr(message, "time") || StrStr(message, "otim"))) {
7599 /* Program apparently doesn't have "time" or "otim" command */
7603 if (StrStr(message, "analyze")) {
7604 cps->analysisSupport = FALSE;
7605 cps->analyzing = FALSE;
7607 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7608 DisplayError(buf2, 0);
7611 if (StrStr(message, "(no matching move)st")) {
7612 /* Special kludge for GNU Chess 4 only */
7613 cps->stKludge = TRUE;
7614 SendTimeControl(cps, movesPerSession, timeControl,
7615 timeIncrement, appData.searchDepth,
7619 if (StrStr(message, "(no matching move)sd")) {
7620 /* Special kludge for GNU Chess 4 only */
7621 cps->sdKludge = TRUE;
7622 SendTimeControl(cps, movesPerSession, timeControl,
7623 timeIncrement, appData.searchDepth,
7627 if (!StrStr(message, "llegal")) {
7630 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7631 gameMode == IcsIdle) return;
7632 if (forwardMostMove <= backwardMostMove) return;
7633 if (pausing) PauseEvent();
7634 if(appData.forceIllegal) {
7635 // [HGM] illegal: machine refused move; force position after move into it
7636 SendToProgram("force\n", cps);
7637 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7638 // we have a real problem now, as SendBoard will use the a2a3 kludge
7639 // when black is to move, while there might be nothing on a2 or black
7640 // might already have the move. So send the board as if white has the move.
7641 // But first we must change the stm of the engine, as it refused the last move
7642 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7643 if(WhiteOnMove(forwardMostMove)) {
7644 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7645 SendBoard(cps, forwardMostMove); // kludgeless board
7647 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7648 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7649 SendBoard(cps, forwardMostMove+1); // kludgeless board
7651 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7652 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7653 gameMode == TwoMachinesPlay)
7654 SendToProgram("go\n", cps);
7657 if (gameMode == PlayFromGameFile) {
7658 /* Stop reading this game file */
7659 gameMode = EditGame;
7662 currentMove = forwardMostMove-1;
7663 DisplayMove(currentMove-1); /* before DisplayMoveError */
7664 SwitchClocks(forwardMostMove-1); // [HGM] race
7665 DisplayBothClocks();
7666 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7667 parseList[currentMove], cps->which);
7668 DisplayMoveError(buf1);
7669 DrawPosition(FALSE, boards[currentMove]);
7671 /* [HGM] illegal-move claim should forfeit game when Xboard */
7672 /* only passes fully legal moves */
7673 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7674 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7675 "False illegal-move claim", GE_XBOARD );
7679 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7680 /* Program has a broken "time" command that
7681 outputs a string not ending in newline.
7687 * If chess program startup fails, exit with an error message.
7688 * Attempts to recover here are futile.
7690 if ((StrStr(message, "unknown host") != NULL)
7691 || (StrStr(message, "No remote directory") != NULL)
7692 || (StrStr(message, "not found") != NULL)
7693 || (StrStr(message, "No such file") != NULL)
7694 || (StrStr(message, "can't alloc") != NULL)
7695 || (StrStr(message, "Permission denied") != NULL)) {
7697 cps->maybeThinking = FALSE;
7698 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7699 cps->which, cps->program, cps->host, message);
7700 RemoveInputSource(cps->isr);
7701 DisplayFatalError(buf1, 0, 1);
7706 * Look for hint output
7708 if (sscanf(message, "Hint: %s", buf1) == 1) {
7709 if (cps == &first && hintRequested) {
7710 hintRequested = FALSE;
7711 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7712 &fromX, &fromY, &toX, &toY, &promoChar)) {
7713 (void) CoordsToAlgebraic(boards[forwardMostMove],
7714 PosFlags(forwardMostMove),
7715 fromY, fromX, toY, toX, promoChar, buf1);
7716 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7717 DisplayInformation(buf2);
7719 /* Hint move could not be parsed!? */
7720 snprintf(buf2, sizeof(buf2),
7721 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7723 DisplayError(buf2, 0);
7726 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7732 * Ignore other messages if game is not in progress
7734 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7735 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7738 * look for win, lose, draw, or draw offer
7740 if (strncmp(message, "1-0", 3) == 0) {
7741 char *p, *q, *r = "";
7742 p = strchr(message, '{');
7750 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7752 } else if (strncmp(message, "0-1", 3) == 0) {
7753 char *p, *q, *r = "";
7754 p = strchr(message, '{');
7762 /* Kludge for Arasan 4.1 bug */
7763 if (strcmp(r, "Black resigns") == 0) {
7764 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7767 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7769 } else if (strncmp(message, "1/2", 3) == 0) {
7770 char *p, *q, *r = "";
7771 p = strchr(message, '{');
7780 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7783 } else if (strncmp(message, "White resign", 12) == 0) {
7784 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7786 } else if (strncmp(message, "Black resign", 12) == 0) {
7787 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7789 } else if (strncmp(message, "White matches", 13) == 0 ||
7790 strncmp(message, "Black matches", 13) == 0 ) {
7791 /* [HGM] ignore GNUShogi noises */
7793 } else if (strncmp(message, "White", 5) == 0 &&
7794 message[5] != '(' &&
7795 StrStr(message, "Black") == NULL) {
7796 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7798 } else if (strncmp(message, "Black", 5) == 0 &&
7799 message[5] != '(') {
7800 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7802 } else if (strcmp(message, "resign") == 0 ||
7803 strcmp(message, "computer resigns") == 0) {
7805 case MachinePlaysBlack:
7806 case IcsPlayingBlack:
7807 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7809 case MachinePlaysWhite:
7810 case IcsPlayingWhite:
7811 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7813 case TwoMachinesPlay:
7814 if (cps->twoMachinesColor[0] == 'w')
7815 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7817 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7824 } else if (strncmp(message, "opponent mates", 14) == 0) {
7826 case MachinePlaysBlack:
7827 case IcsPlayingBlack:
7828 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7830 case MachinePlaysWhite:
7831 case IcsPlayingWhite:
7832 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7834 case TwoMachinesPlay:
7835 if (cps->twoMachinesColor[0] == 'w')
7836 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7838 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7845 } else if (strncmp(message, "computer mates", 14) == 0) {
7847 case MachinePlaysBlack:
7848 case IcsPlayingBlack:
7849 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7851 case MachinePlaysWhite:
7852 case IcsPlayingWhite:
7853 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7855 case TwoMachinesPlay:
7856 if (cps->twoMachinesColor[0] == 'w')
7857 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7859 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7866 } else if (strncmp(message, "checkmate", 9) == 0) {
7867 if (WhiteOnMove(forwardMostMove)) {
7868 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7870 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7873 } else if (strstr(message, "Draw") != NULL ||
7874 strstr(message, "game is a draw") != NULL) {
7875 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7877 } else if (strstr(message, "offer") != NULL &&
7878 strstr(message, "draw") != NULL) {
7880 if (appData.zippyPlay && first.initDone) {
7881 /* Relay offer to ICS */
7882 SendToICS(ics_prefix);
7883 SendToICS("draw\n");
7886 cps->offeredDraw = 2; /* valid until this engine moves twice */
7887 if (gameMode == TwoMachinesPlay) {
7888 if (cps->other->offeredDraw) {
7889 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7890 /* [HGM] in two-machine mode we delay relaying draw offer */
7891 /* until after we also have move, to see if it is really claim */
7893 } else if (gameMode == MachinePlaysWhite ||
7894 gameMode == MachinePlaysBlack) {
7895 if (userOfferedDraw) {
7896 DisplayInformation(_("Machine accepts your draw offer"));
7897 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7899 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7906 * Look for thinking output
7908 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7909 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7911 int plylev, mvleft, mvtot, curscore, time;
7912 char mvname[MOVE_LEN];
7916 int prefixHint = FALSE;
7917 mvname[0] = NULLCHAR;
7920 case MachinePlaysBlack:
7921 case IcsPlayingBlack:
7922 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7924 case MachinePlaysWhite:
7925 case IcsPlayingWhite:
7926 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7931 case IcsObserving: /* [DM] icsEngineAnalyze */
7932 if (!appData.icsEngineAnalyze) ignore = TRUE;
7934 case TwoMachinesPlay:
7935 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7945 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7947 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7948 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7950 if (plyext != ' ' && plyext != '\t') {
7954 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7955 if( cps->scoreIsAbsolute &&
7956 ( gameMode == MachinePlaysBlack ||
7957 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7958 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7959 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7960 !WhiteOnMove(currentMove)
7963 curscore = -curscore;
7967 tempStats.depth = plylev;
7968 tempStats.nodes = nodes;
7969 tempStats.time = time;
7970 tempStats.score = curscore;
7971 tempStats.got_only_move = 0;
7973 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7976 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7977 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7978 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7979 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7980 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7981 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7982 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7983 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7986 /* Buffer overflow protection */
7987 if (buf1[0] != NULLCHAR) {
7988 if (strlen(buf1) >= sizeof(tempStats.movelist)
7989 && appData.debugMode) {
7991 "PV is too long; using the first %u bytes.\n",
7992 (unsigned) sizeof(tempStats.movelist) - 1);
7995 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
7997 sprintf(tempStats.movelist, " no PV\n");
8000 if (tempStats.seen_stat) {
8001 tempStats.ok_to_send = 1;
8004 if (strchr(tempStats.movelist, '(') != NULL) {
8005 tempStats.line_is_book = 1;
8006 tempStats.nr_moves = 0;
8007 tempStats.moves_left = 0;
8009 tempStats.line_is_book = 0;
8012 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8013 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8015 SendProgramStatsToFrontend( cps, &tempStats );
8018 [AS] Protect the thinkOutput buffer from overflow... this
8019 is only useful if buf1 hasn't overflowed first!
8021 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8023 (gameMode == TwoMachinesPlay ?
8024 ToUpper(cps->twoMachinesColor[0]) : ' '),
8025 ((double) curscore) / 100.0,
8026 prefixHint ? lastHint : "",
8027 prefixHint ? " " : "" );
8029 if( buf1[0] != NULLCHAR ) {
8030 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8032 if( strlen(buf1) > max_len ) {
8033 if( appData.debugMode) {
8034 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8036 buf1[max_len+1] = '\0';
8039 strcat( thinkOutput, buf1 );
8042 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8043 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8044 DisplayMove(currentMove - 1);
8048 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8049 /* crafty (9.25+) says "(only move) <move>"
8050 * if there is only 1 legal move
8052 sscanf(p, "(only move) %s", buf1);
8053 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8054 sprintf(programStats.movelist, "%s (only move)", buf1);
8055 programStats.depth = 1;
8056 programStats.nr_moves = 1;
8057 programStats.moves_left = 1;
8058 programStats.nodes = 1;
8059 programStats.time = 1;
8060 programStats.got_only_move = 1;
8062 /* Not really, but we also use this member to
8063 mean "line isn't going to change" (Crafty
8064 isn't searching, so stats won't change) */
8065 programStats.line_is_book = 1;
8067 SendProgramStatsToFrontend( cps, &programStats );
8069 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8070 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8071 DisplayMove(currentMove - 1);
8074 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8075 &time, &nodes, &plylev, &mvleft,
8076 &mvtot, mvname) >= 5) {
8077 /* The stat01: line is from Crafty (9.29+) in response
8078 to the "." command */
8079 programStats.seen_stat = 1;
8080 cps->maybeThinking = TRUE;
8082 if (programStats.got_only_move || !appData.periodicUpdates)
8085 programStats.depth = plylev;
8086 programStats.time = time;
8087 programStats.nodes = nodes;
8088 programStats.moves_left = mvleft;
8089 programStats.nr_moves = mvtot;
8090 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8091 programStats.ok_to_send = 1;
8092 programStats.movelist[0] = '\0';
8094 SendProgramStatsToFrontend( cps, &programStats );
8098 } else if (strncmp(message,"++",2) == 0) {
8099 /* Crafty 9.29+ outputs this */
8100 programStats.got_fail = 2;
8103 } else if (strncmp(message,"--",2) == 0) {
8104 /* Crafty 9.29+ outputs this */
8105 programStats.got_fail = 1;
8108 } else if (thinkOutput[0] != NULLCHAR &&
8109 strncmp(message, " ", 4) == 0) {
8110 unsigned message_len;
8113 while (*p && *p == ' ') p++;
8115 message_len = strlen( p );
8117 /* [AS] Avoid buffer overflow */
8118 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8119 strcat(thinkOutput, " ");
8120 strcat(thinkOutput, p);
8123 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8124 strcat(programStats.movelist, " ");
8125 strcat(programStats.movelist, p);
8128 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8129 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8130 DisplayMove(currentMove - 1);
8138 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8139 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8141 ChessProgramStats cpstats;
8143 if (plyext != ' ' && plyext != '\t') {
8147 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8148 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8149 curscore = -curscore;
8152 cpstats.depth = plylev;
8153 cpstats.nodes = nodes;
8154 cpstats.time = time;
8155 cpstats.score = curscore;
8156 cpstats.got_only_move = 0;
8157 cpstats.movelist[0] = '\0';
8159 if (buf1[0] != NULLCHAR) {
8160 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8163 cpstats.ok_to_send = 0;
8164 cpstats.line_is_book = 0;
8165 cpstats.nr_moves = 0;
8166 cpstats.moves_left = 0;
8168 SendProgramStatsToFrontend( cps, &cpstats );
8175 /* Parse a game score from the character string "game", and
8176 record it as the history of the current game. The game
8177 score is NOT assumed to start from the standard position.
8178 The display is not updated in any way.
8181 ParseGameHistory(game)
8185 int fromX, fromY, toX, toY, boardIndex;
8190 if (appData.debugMode)
8191 fprintf(debugFP, "Parsing game history: %s\n", game);
8193 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8194 gameInfo.site = StrSave(appData.icsHost);
8195 gameInfo.date = PGNDate();
8196 gameInfo.round = StrSave("-");
8198 /* Parse out names of players */
8199 while (*game == ' ') game++;
8201 while (*game != ' ') *p++ = *game++;
8203 gameInfo.white = StrSave(buf);
8204 while (*game == ' ') game++;
8206 while (*game != ' ' && *game != '\n') *p++ = *game++;
8208 gameInfo.black = StrSave(buf);
8211 boardIndex = blackPlaysFirst ? 1 : 0;
8214 yyboardindex = boardIndex;
8215 moveType = (ChessMove) yylex();
8217 case IllegalMove: /* maybe suicide chess, etc. */
8218 if (appData.debugMode) {
8219 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8220 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8221 setbuf(debugFP, NULL);
8223 case WhitePromotion:
8224 case BlackPromotion:
8225 case WhiteNonPromotion:
8226 case BlackNonPromotion:
8228 case WhiteCapturesEnPassant:
8229 case BlackCapturesEnPassant:
8230 case WhiteKingSideCastle:
8231 case WhiteQueenSideCastle:
8232 case BlackKingSideCastle:
8233 case BlackQueenSideCastle:
8234 case WhiteKingSideCastleWild:
8235 case WhiteQueenSideCastleWild:
8236 case BlackKingSideCastleWild:
8237 case BlackQueenSideCastleWild:
8239 case WhiteHSideCastleFR:
8240 case WhiteASideCastleFR:
8241 case BlackHSideCastleFR:
8242 case BlackASideCastleFR:
8244 fromX = currentMoveString[0] - AAA;
8245 fromY = currentMoveString[1] - ONE;
8246 toX = currentMoveString[2] - AAA;
8247 toY = currentMoveString[3] - ONE;
8248 promoChar = currentMoveString[4];
8252 fromX = moveType == WhiteDrop ?
8253 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8254 (int) CharToPiece(ToLower(currentMoveString[0]));
8256 toX = currentMoveString[2] - AAA;
8257 toY = currentMoveString[3] - ONE;
8258 promoChar = NULLCHAR;
8262 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8263 if (appData.debugMode) {
8264 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8265 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8266 setbuf(debugFP, NULL);
8268 DisplayError(buf, 0);
8270 case ImpossibleMove:
8272 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8273 if (appData.debugMode) {
8274 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8275 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8276 setbuf(debugFP, NULL);
8278 DisplayError(buf, 0);
8281 if (boardIndex < backwardMostMove) {
8282 /* Oops, gap. How did that happen? */
8283 DisplayError(_("Gap in move list"), 0);
8286 backwardMostMove = blackPlaysFirst ? 1 : 0;
8287 if (boardIndex > forwardMostMove) {
8288 forwardMostMove = boardIndex;
8292 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8293 strcat(parseList[boardIndex-1], " ");
8294 strcat(parseList[boardIndex-1], yy_text);
8306 case GameUnfinished:
8307 if (gameMode == IcsExamining) {
8308 if (boardIndex < backwardMostMove) {
8309 /* Oops, gap. How did that happen? */
8312 backwardMostMove = blackPlaysFirst ? 1 : 0;
8315 gameInfo.result = moveType;
8316 p = strchr(yy_text, '{');
8317 if (p == NULL) p = strchr(yy_text, '(');
8320 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8322 q = strchr(p, *p == '{' ? '}' : ')');
8323 if (q != NULL) *q = NULLCHAR;
8326 gameInfo.resultDetails = StrSave(p);
8329 if (boardIndex >= forwardMostMove &&
8330 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8331 backwardMostMove = blackPlaysFirst ? 1 : 0;
8334 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8335 fromY, fromX, toY, toX, promoChar,
8336 parseList[boardIndex]);
8337 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8338 /* currentMoveString is set as a side-effect of yylex */
8339 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8340 strcat(moveList[boardIndex], "\n");
8342 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8343 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8349 if(gameInfo.variant != VariantShogi)
8350 strcat(parseList[boardIndex - 1], "+");
8354 strcat(parseList[boardIndex - 1], "#");
8361 /* Apply a move to the given board */
8363 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8364 int fromX, fromY, toX, toY;
8368 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8369 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8371 /* [HGM] compute & store e.p. status and castling rights for new position */
8372 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8374 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8375 oldEP = (signed char)board[EP_STATUS];
8376 board[EP_STATUS] = EP_NONE;
8378 if( board[toY][toX] != EmptySquare )
8379 board[EP_STATUS] = EP_CAPTURE;
8381 if (fromY == DROP_RANK) {
8383 piece = board[toY][toX] = (ChessSquare) fromX;
8387 if( board[fromY][fromX] == WhitePawn ) {
8388 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8389 board[EP_STATUS] = EP_PAWN_MOVE;
8391 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8392 gameInfo.variant != VariantBerolina || toX < fromX)
8393 board[EP_STATUS] = toX | berolina;
8394 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8395 gameInfo.variant != VariantBerolina || toX > fromX)
8396 board[EP_STATUS] = toX;
8399 if( board[fromY][fromX] == BlackPawn ) {
8400 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8401 board[EP_STATUS] = EP_PAWN_MOVE;
8402 if( toY-fromY== -2) {
8403 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8404 gameInfo.variant != VariantBerolina || toX < fromX)
8405 board[EP_STATUS] = toX | berolina;
8406 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8407 gameInfo.variant != VariantBerolina || toX > fromX)
8408 board[EP_STATUS] = toX;
8412 for(i=0; i<nrCastlingRights; i++) {
8413 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8414 board[CASTLING][i] == toX && castlingRank[i] == toY
8415 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8418 if (fromX == toX && fromY == toY) return;
8420 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8421 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8422 if(gameInfo.variant == VariantKnightmate)
8423 king += (int) WhiteUnicorn - (int) WhiteKing;
8425 /* Code added by Tord: */
8426 /* FRC castling assumed when king captures friendly rook. */
8427 if (board[fromY][fromX] == WhiteKing &&
8428 board[toY][toX] == WhiteRook) {
8429 board[fromY][fromX] = EmptySquare;
8430 board[toY][toX] = EmptySquare;
8432 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8434 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8436 } else if (board[fromY][fromX] == BlackKing &&
8437 board[toY][toX] == BlackRook) {
8438 board[fromY][fromX] = EmptySquare;
8439 board[toY][toX] = EmptySquare;
8441 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8443 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8445 /* End of code added by Tord */
8447 } else if (board[fromY][fromX] == king
8448 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8449 && toY == fromY && toX > fromX+1) {
8450 board[fromY][fromX] = EmptySquare;
8451 board[toY][toX] = king;
8452 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8453 board[fromY][BOARD_RGHT-1] = EmptySquare;
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_LEFT];
8460 board[fromY][BOARD_LEFT] = EmptySquare;
8461 } else if (board[fromY][fromX] == WhitePawn
8462 && toY >= BOARD_HEIGHT-promoRank
8463 && gameInfo.variant != VariantXiangqi
8465 /* white pawn promotion */
8466 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8467 if (board[toY][toX] == EmptySquare) {
8468 board[toY][toX] = WhiteQueen;
8470 if(gameInfo.variant==VariantBughouse ||
8471 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8472 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8473 board[fromY][fromX] = EmptySquare;
8474 } else if ((fromY == BOARD_HEIGHT-4)
8476 && gameInfo.variant != VariantXiangqi
8477 && gameInfo.variant != VariantBerolina
8478 && (board[fromY][fromX] == WhitePawn)
8479 && (board[toY][toX] == EmptySquare)) {
8480 board[fromY][fromX] = EmptySquare;
8481 board[toY][toX] = WhitePawn;
8482 captured = board[toY - 1][toX];
8483 board[toY - 1][toX] = EmptySquare;
8484 } else if ((fromY == BOARD_HEIGHT-4)
8486 && gameInfo.variant == VariantBerolina
8487 && (board[fromY][fromX] == WhitePawn)
8488 && (board[toY][toX] == EmptySquare)) {
8489 board[fromY][fromX] = EmptySquare;
8490 board[toY][toX] = WhitePawn;
8491 if(oldEP & EP_BEROLIN_A) {
8492 captured = board[fromY][fromX-1];
8493 board[fromY][fromX-1] = EmptySquare;
8494 }else{ captured = board[fromY][fromX+1];
8495 board[fromY][fromX+1] = EmptySquare;
8497 } else if (board[fromY][fromX] == king
8498 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8499 && toY == fromY && toX > fromX+1) {
8500 board[fromY][fromX] = EmptySquare;
8501 board[toY][toX] = king;
8502 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8503 board[fromY][BOARD_RGHT-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_LEFT];
8510 board[fromY][BOARD_LEFT] = EmptySquare;
8511 } else if (fromY == 7 && fromX == 3
8512 && board[fromY][fromX] == BlackKing
8513 && toY == 7 && toX == 5) {
8514 board[fromY][fromX] = EmptySquare;
8515 board[toY][toX] = BlackKing;
8516 board[fromY][7] = EmptySquare;
8517 board[toY][4] = BlackRook;
8518 } else if (fromY == 7 && fromX == 3
8519 && board[fromY][fromX] == BlackKing
8520 && toY == 7 && toX == 1) {
8521 board[fromY][fromX] = EmptySquare;
8522 board[toY][toX] = BlackKing;
8523 board[fromY][0] = EmptySquare;
8524 board[toY][2] = BlackRook;
8525 } else if (board[fromY][fromX] == BlackPawn
8527 && gameInfo.variant != VariantXiangqi
8529 /* black pawn promotion */
8530 board[toY][toX] = CharToPiece(ToLower(promoChar));
8531 if (board[toY][toX] == EmptySquare) {
8532 board[toY][toX] = BlackQueen;
8534 if(gameInfo.variant==VariantBughouse ||
8535 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8536 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8537 board[fromY][fromX] = EmptySquare;
8538 } else if ((fromY == 3)
8540 && gameInfo.variant != VariantXiangqi
8541 && gameInfo.variant != VariantBerolina
8542 && (board[fromY][fromX] == BlackPawn)
8543 && (board[toY][toX] == EmptySquare)) {
8544 board[fromY][fromX] = EmptySquare;
8545 board[toY][toX] = BlackPawn;
8546 captured = board[toY + 1][toX];
8547 board[toY + 1][toX] = EmptySquare;
8548 } else if ((fromY == 3)
8550 && gameInfo.variant == VariantBerolina
8551 && (board[fromY][fromX] == BlackPawn)
8552 && (board[toY][toX] == EmptySquare)) {
8553 board[fromY][fromX] = EmptySquare;
8554 board[toY][toX] = BlackPawn;
8555 if(oldEP & EP_BEROLIN_A) {
8556 captured = board[fromY][fromX-1];
8557 board[fromY][fromX-1] = EmptySquare;
8558 }else{ captured = board[fromY][fromX+1];
8559 board[fromY][fromX+1] = EmptySquare;
8562 board[toY][toX] = board[fromY][fromX];
8563 board[fromY][fromX] = EmptySquare;
8567 if (gameInfo.holdingsWidth != 0) {
8569 /* !!A lot more code needs to be written to support holdings */
8570 /* [HGM] OK, so I have written it. Holdings are stored in the */
8571 /* penultimate board files, so they are automaticlly stored */
8572 /* in the game history. */
8573 if (fromY == DROP_RANK) {
8574 /* Delete from holdings, by decreasing count */
8575 /* and erasing image if necessary */
8577 if(p < (int) BlackPawn) { /* white drop */
8578 p -= (int)WhitePawn;
8579 p = PieceToNumber((ChessSquare)p);
8580 if(p >= gameInfo.holdingsSize) p = 0;
8581 if(--board[p][BOARD_WIDTH-2] <= 0)
8582 board[p][BOARD_WIDTH-1] = EmptySquare;
8583 if((int)board[p][BOARD_WIDTH-2] < 0)
8584 board[p][BOARD_WIDTH-2] = 0;
8585 } else { /* black drop */
8586 p -= (int)BlackPawn;
8587 p = PieceToNumber((ChessSquare)p);
8588 if(p >= gameInfo.holdingsSize) p = 0;
8589 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8590 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8591 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8592 board[BOARD_HEIGHT-1-p][1] = 0;
8595 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8596 && gameInfo.variant != VariantBughouse ) {
8597 /* [HGM] holdings: Add to holdings, if holdings exist */
8598 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8599 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8600 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8603 if (p >= (int) BlackPawn) {
8604 p -= (int)BlackPawn;
8605 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8606 /* in Shogi restore piece to its original first */
8607 captured = (ChessSquare) (DEMOTED captured);
8610 p = PieceToNumber((ChessSquare)p);
8611 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8612 board[p][BOARD_WIDTH-2]++;
8613 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8615 p -= (int)WhitePawn;
8616 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8617 captured = (ChessSquare) (DEMOTED captured);
8620 p = PieceToNumber((ChessSquare)p);
8621 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8622 board[BOARD_HEIGHT-1-p][1]++;
8623 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8626 } else if (gameInfo.variant == VariantAtomic) {
8627 if (captured != EmptySquare) {
8629 for (y = toY-1; y <= toY+1; y++) {
8630 for (x = toX-1; x <= toX+1; x++) {
8631 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8632 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8633 board[y][x] = EmptySquare;
8637 board[toY][toX] = EmptySquare;
8640 if(promoChar == '+') {
8641 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8642 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8643 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8644 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8646 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8647 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8648 // [HGM] superchess: take promotion piece out of holdings
8649 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8650 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8651 if(!--board[k][BOARD_WIDTH-2])
8652 board[k][BOARD_WIDTH-1] = EmptySquare;
8654 if(!--board[BOARD_HEIGHT-1-k][1])
8655 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8661 /* Updates forwardMostMove */
8663 MakeMove(fromX, fromY, toX, toY, promoChar)
8664 int fromX, fromY, toX, toY;
8667 // forwardMostMove++; // [HGM] bare: moved downstream
8669 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8670 int timeLeft; static int lastLoadFlag=0; int king, piece;
8671 piece = boards[forwardMostMove][fromY][fromX];
8672 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8673 if(gameInfo.variant == VariantKnightmate)
8674 king += (int) WhiteUnicorn - (int) WhiteKing;
8675 if(forwardMostMove == 0) {
8677 fprintf(serverMoves, "%s;", second.tidy);
8678 fprintf(serverMoves, "%s;", first.tidy);
8679 if(!blackPlaysFirst)
8680 fprintf(serverMoves, "%s;", second.tidy);
8681 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8682 lastLoadFlag = loadFlag;
8684 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8685 // print castling suffix
8686 if( toY == fromY && piece == king ) {
8688 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8690 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8693 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8694 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8695 boards[forwardMostMove][toY][toX] == EmptySquare
8696 && fromX != toX && fromY != toY)
8697 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8699 if(promoChar != NULLCHAR)
8700 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8702 fprintf(serverMoves, "/%d/%d",
8703 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8704 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8705 else timeLeft = blackTimeRemaining/1000;
8706 fprintf(serverMoves, "/%d", timeLeft);
8708 fflush(serverMoves);
8711 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8712 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8716 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8717 if (commentList[forwardMostMove+1] != NULL) {
8718 free(commentList[forwardMostMove+1]);
8719 commentList[forwardMostMove+1] = NULL;
8721 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8722 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8723 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8724 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8725 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8726 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8727 gameInfo.result = GameUnfinished;
8728 if (gameInfo.resultDetails != NULL) {
8729 free(gameInfo.resultDetails);
8730 gameInfo.resultDetails = NULL;
8732 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8733 moveList[forwardMostMove - 1]);
8734 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8735 PosFlags(forwardMostMove - 1),
8736 fromY, fromX, toY, toX, promoChar,
8737 parseList[forwardMostMove - 1]);
8738 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8744 if(gameInfo.variant != VariantShogi)
8745 strcat(parseList[forwardMostMove - 1], "+");
8749 strcat(parseList[forwardMostMove - 1], "#");
8752 if (appData.debugMode) {
8753 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8758 /* Updates currentMove if not pausing */
8760 ShowMove(fromX, fromY, toX, toY)
8762 int instant = (gameMode == PlayFromGameFile) ?
8763 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8764 if(appData.noGUI) return;
8765 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8767 if (forwardMostMove == currentMove + 1) {
8768 AnimateMove(boards[forwardMostMove - 1],
8769 fromX, fromY, toX, toY);
8771 if (appData.highlightLastMove) {
8772 SetHighlights(fromX, fromY, toX, toY);
8775 currentMove = forwardMostMove;
8778 if (instant) return;
8780 DisplayMove(currentMove - 1);
8781 DrawPosition(FALSE, boards[currentMove]);
8782 DisplayBothClocks();
8783 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8786 void SendEgtPath(ChessProgramState *cps)
8787 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8788 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8790 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8793 char c, *q = name+1, *r, *s;
8795 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8796 while(*p && *p != ',') *q++ = *p++;
8798 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8799 strcmp(name, ",nalimov:") == 0 ) {
8800 // take nalimov path from the menu-changeable option first, if it is defined
8801 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8802 SendToProgram(buf,cps); // send egtbpath command for nalimov
8804 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8805 (s = StrStr(appData.egtFormats, name)) != NULL) {
8806 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8807 s = r = StrStr(s, ":") + 1; // beginning of path info
8808 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8809 c = *r; *r = 0; // temporarily null-terminate path info
8810 *--q = 0; // strip of trailig ':' from name
8811 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8813 SendToProgram(buf,cps); // send egtbpath command for this format
8815 if(*p == ',') p++; // read away comma to position for next format name
8820 InitChessProgram(cps, setup)
8821 ChessProgramState *cps;
8822 int setup; /* [HGM] needed to setup FRC opening position */
8824 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8825 if (appData.noChessProgram) return;
8826 hintRequested = FALSE;
8827 bookRequested = FALSE;
8829 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8830 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8831 if(cps->memSize) { /* [HGM] memory */
8832 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8833 SendToProgram(buf, cps);
8835 SendEgtPath(cps); /* [HGM] EGT */
8836 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8837 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8838 SendToProgram(buf, cps);
8841 SendToProgram(cps->initString, cps);
8842 if (gameInfo.variant != VariantNormal &&
8843 gameInfo.variant != VariantLoadable
8844 /* [HGM] also send variant if board size non-standard */
8845 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8847 char *v = VariantName(gameInfo.variant);
8848 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8849 /* [HGM] in protocol 1 we have to assume all variants valid */
8850 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8851 DisplayFatalError(buf, 0, 1);
8855 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8856 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8857 if( gameInfo.variant == VariantXiangqi )
8858 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8859 if( gameInfo.variant == VariantShogi )
8860 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8861 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8862 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8863 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8864 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8865 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8866 if( gameInfo.variant == VariantCourier )
8867 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8868 if( gameInfo.variant == VariantSuper )
8869 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8870 if( gameInfo.variant == VariantGreat )
8871 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8874 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8875 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8876 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8877 if(StrStr(cps->variants, b) == NULL) {
8878 // specific sized variant not known, check if general sizing allowed
8879 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8880 if(StrStr(cps->variants, "boardsize") == NULL) {
8881 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8882 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8883 DisplayFatalError(buf, 0, 1);
8886 /* [HGM] here we really should compare with the maximum supported board size */
8889 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8890 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8891 SendToProgram(buf, cps);
8893 currentlyInitializedVariant = gameInfo.variant;
8895 /* [HGM] send opening position in FRC to first engine */
8897 SendToProgram("force\n", cps);
8899 /* engine is now in force mode! Set flag to wake it up after first move. */
8900 setboardSpoiledMachineBlack = 1;
8904 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8905 SendToProgram(buf, cps);
8907 cps->maybeThinking = FALSE;
8908 cps->offeredDraw = 0;
8909 if (!appData.icsActive) {
8910 SendTimeControl(cps, movesPerSession, timeControl,
8911 timeIncrement, appData.searchDepth,
8914 if (appData.showThinking
8915 // [HGM] thinking: four options require thinking output to be sent
8916 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8918 SendToProgram("post\n", cps);
8920 SendToProgram("hard\n", cps);
8921 if (!appData.ponderNextMove) {
8922 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8923 it without being sure what state we are in first. "hard"
8924 is not a toggle, so that one is OK.
8926 SendToProgram("easy\n", cps);
8929 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8930 SendToProgram(buf, cps);
8932 cps->initDone = TRUE;
8937 StartChessProgram(cps)
8938 ChessProgramState *cps;
8943 if (appData.noChessProgram) return;
8944 cps->initDone = FALSE;
8946 if (strcmp(cps->host, "localhost") == 0) {
8947 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8948 } else if (*appData.remoteShell == NULLCHAR) {
8949 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8951 if (*appData.remoteUser == NULLCHAR) {
8952 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8955 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8956 cps->host, appData.remoteUser, cps->program);
8958 err = StartChildProcess(buf, "", &cps->pr);
8962 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8963 DisplayFatalError(buf, err, 1);
8969 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8970 if (cps->protocolVersion > 1) {
8971 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8972 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8973 cps->comboCnt = 0; // and values of combo boxes
8974 SendToProgram(buf, cps);
8976 SendToProgram("xboard\n", cps);
8982 TwoMachinesEventIfReady P((void))
8984 if (first.lastPing != first.lastPong) {
8985 DisplayMessage("", _("Waiting for first chess program"));
8986 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8989 if (second.lastPing != second.lastPong) {
8990 DisplayMessage("", _("Waiting for second chess program"));
8991 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8999 NextMatchGame P((void))
9001 int index; /* [HGM] autoinc: step load index during match */
9003 if (*appData.loadGameFile != NULLCHAR) {
9004 index = appData.loadGameIndex;
9005 if(index < 0) { // [HGM] autoinc
9006 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9007 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9009 LoadGameFromFile(appData.loadGameFile,
9011 appData.loadGameFile, FALSE);
9012 } else if (*appData.loadPositionFile != NULLCHAR) {
9013 index = appData.loadPositionIndex;
9014 if(index < 0) { // [HGM] autoinc
9015 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9016 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9018 LoadPositionFromFile(appData.loadPositionFile,
9020 appData.loadPositionFile);
9022 TwoMachinesEventIfReady();
9025 void UserAdjudicationEvent( int result )
9027 ChessMove gameResult = GameIsDrawn;
9030 gameResult = WhiteWins;
9032 else if( result < 0 ) {
9033 gameResult = BlackWins;
9036 if( gameMode == TwoMachinesPlay ) {
9037 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9042 // [HGM] save: calculate checksum of game to make games easily identifiable
9043 int StringCheckSum(char *s)
9046 if(s==NULL) return 0;
9047 while(*s) i = i*259 + *s++;
9054 for(i=backwardMostMove; i<forwardMostMove; i++) {
9055 sum += pvInfoList[i].depth;
9056 sum += StringCheckSum(parseList[i]);
9057 sum += StringCheckSum(commentList[i]);
9060 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9061 return sum + StringCheckSum(commentList[i]);
9062 } // end of save patch
9065 GameEnds(result, resultDetails, whosays)
9067 char *resultDetails;
9070 GameMode nextGameMode;
9072 char buf[MSG_SIZ], popupRequested = 0;
9074 if(endingGame) return; /* [HGM] crash: forbid recursion */
9076 if(twoBoards) { // [HGM] dual: switch back to one board
9077 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9078 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9080 if (appData.debugMode) {
9081 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9082 result, resultDetails ? resultDetails : "(null)", whosays);
9085 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9087 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9088 /* If we are playing on ICS, the server decides when the
9089 game is over, but the engine can offer to draw, claim
9093 if (appData.zippyPlay && first.initDone) {
9094 if (result == GameIsDrawn) {
9095 /* In case draw still needs to be claimed */
9096 SendToICS(ics_prefix);
9097 SendToICS("draw\n");
9098 } else if (StrCaseStr(resultDetails, "resign")) {
9099 SendToICS(ics_prefix);
9100 SendToICS("resign\n");
9104 endingGame = 0; /* [HGM] crash */
9108 /* If we're loading the game from a file, stop */
9109 if (whosays == GE_FILE) {
9110 (void) StopLoadGameTimer();
9114 /* Cancel draw offers */
9115 first.offeredDraw = second.offeredDraw = 0;
9117 /* If this is an ICS game, only ICS can really say it's done;
9118 if not, anyone can. */
9119 isIcsGame = (gameMode == IcsPlayingWhite ||
9120 gameMode == IcsPlayingBlack ||
9121 gameMode == IcsObserving ||
9122 gameMode == IcsExamining);
9124 if (!isIcsGame || whosays == GE_ICS) {
9125 /* OK -- not an ICS game, or ICS said it was done */
9127 if (!isIcsGame && !appData.noChessProgram)
9128 SetUserThinkingEnables();
9130 /* [HGM] if a machine claims the game end we verify this claim */
9131 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9132 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9134 ChessMove trueResult = (ChessMove) -1;
9136 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9137 first.twoMachinesColor[0] :
9138 second.twoMachinesColor[0] ;
9140 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9141 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9142 /* [HGM] verify: engine mate claims accepted if they were flagged */
9143 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9145 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9146 /* [HGM] verify: engine mate claims accepted if they were flagged */
9147 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9149 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9150 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9153 // now verify win claims, but not in drop games, as we don't understand those yet
9154 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9155 || gameInfo.variant == VariantGreat) &&
9156 (result == WhiteWins && claimer == 'w' ||
9157 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9158 if (appData.debugMode) {
9159 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9160 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9162 if(result != trueResult) {
9163 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9164 result = claimer == 'w' ? BlackWins : WhiteWins;
9165 resultDetails = buf;
9168 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9169 && (forwardMostMove <= backwardMostMove ||
9170 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9171 (claimer=='b')==(forwardMostMove&1))
9173 /* [HGM] verify: draws that were not flagged are false claims */
9174 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9175 result = claimer == 'w' ? BlackWins : WhiteWins;
9176 resultDetails = buf;
9178 /* (Claiming a loss is accepted no questions asked!) */
9180 /* [HGM] bare: don't allow bare King to win */
9181 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9182 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9183 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9184 && result != GameIsDrawn)
9185 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9186 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9187 int p = (signed char)boards[forwardMostMove][i][j] - color;
9188 if(p >= 0 && p <= (int)WhiteKing) k++;
9190 if (appData.debugMode) {
9191 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9192 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9195 result = GameIsDrawn;
9196 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9197 resultDetails = buf;
9203 if(serverMoves != NULL && !loadFlag) { char c = '=';
9204 if(result==WhiteWins) c = '+';
9205 if(result==BlackWins) c = '-';
9206 if(resultDetails != NULL)
9207 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9209 if (resultDetails != NULL) {
9210 gameInfo.result = result;
9211 gameInfo.resultDetails = StrSave(resultDetails);
9213 /* display last move only if game was not loaded from file */
9214 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9215 DisplayMove(currentMove - 1);
9217 if (forwardMostMove != 0) {
9218 if (gameMode != PlayFromGameFile && gameMode != EditGame
9219 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9221 if (*appData.saveGameFile != NULLCHAR) {
9222 SaveGameToFile(appData.saveGameFile, TRUE);
9223 } else if (appData.autoSaveGames) {
9226 if (*appData.savePositionFile != NULLCHAR) {
9227 SavePositionToFile(appData.savePositionFile);
9232 /* Tell program how game ended in case it is learning */
9233 /* [HGM] Moved this to after saving the PGN, just in case */
9234 /* engine died and we got here through time loss. In that */
9235 /* case we will get a fatal error writing the pipe, which */
9236 /* would otherwise lose us the PGN. */
9237 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9238 /* output during GameEnds should never be fatal anymore */
9239 if (gameMode == MachinePlaysWhite ||
9240 gameMode == MachinePlaysBlack ||
9241 gameMode == TwoMachinesPlay ||
9242 gameMode == IcsPlayingWhite ||
9243 gameMode == IcsPlayingBlack ||
9244 gameMode == BeginningOfGame) {
9246 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9248 if (first.pr != NoProc) {
9249 SendToProgram(buf, &first);
9251 if (second.pr != NoProc &&
9252 gameMode == TwoMachinesPlay) {
9253 SendToProgram(buf, &second);
9258 if (appData.icsActive) {
9259 if (appData.quietPlay &&
9260 (gameMode == IcsPlayingWhite ||
9261 gameMode == IcsPlayingBlack)) {
9262 SendToICS(ics_prefix);
9263 SendToICS("set shout 1\n");
9265 nextGameMode = IcsIdle;
9266 ics_user_moved = FALSE;
9267 /* clean up premove. It's ugly when the game has ended and the
9268 * premove highlights are still on the board.
9272 ClearPremoveHighlights();
9273 DrawPosition(FALSE, boards[currentMove]);
9275 if (whosays == GE_ICS) {
9278 if (gameMode == IcsPlayingWhite)
9280 else if(gameMode == IcsPlayingBlack)
9284 if (gameMode == IcsPlayingBlack)
9286 else if(gameMode == IcsPlayingWhite)
9293 PlayIcsUnfinishedSound();
9296 } else if (gameMode == EditGame ||
9297 gameMode == PlayFromGameFile ||
9298 gameMode == AnalyzeMode ||
9299 gameMode == AnalyzeFile) {
9300 nextGameMode = gameMode;
9302 nextGameMode = EndOfGame;
9307 nextGameMode = gameMode;
9310 if (appData.noChessProgram) {
9311 gameMode = nextGameMode;
9313 endingGame = 0; /* [HGM] crash */
9318 /* Put first chess program into idle state */
9319 if (first.pr != NoProc &&
9320 (gameMode == MachinePlaysWhite ||
9321 gameMode == MachinePlaysBlack ||
9322 gameMode == TwoMachinesPlay ||
9323 gameMode == IcsPlayingWhite ||
9324 gameMode == IcsPlayingBlack ||
9325 gameMode == BeginningOfGame)) {
9326 SendToProgram("force\n", &first);
9327 if (first.usePing) {
9329 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9330 SendToProgram(buf, &first);
9333 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9334 /* Kill off first chess program */
9335 if (first.isr != NULL)
9336 RemoveInputSource(first.isr);
9339 if (first.pr != NoProc) {
9341 DoSleep( appData.delayBeforeQuit );
9342 SendToProgram("quit\n", &first);
9343 DoSleep( appData.delayAfterQuit );
9344 DestroyChildProcess(first.pr, first.useSigterm);
9349 /* Put second chess program into idle state */
9350 if (second.pr != NoProc &&
9351 gameMode == TwoMachinesPlay) {
9352 SendToProgram("force\n", &second);
9353 if (second.usePing) {
9355 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9356 SendToProgram(buf, &second);
9359 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9360 /* Kill off second chess program */
9361 if (second.isr != NULL)
9362 RemoveInputSource(second.isr);
9365 if (second.pr != NoProc) {
9366 DoSleep( appData.delayBeforeQuit );
9367 SendToProgram("quit\n", &second);
9368 DoSleep( appData.delayAfterQuit );
9369 DestroyChildProcess(second.pr, second.useSigterm);
9374 if (matchMode && gameMode == TwoMachinesPlay) {
9377 if (first.twoMachinesColor[0] == 'w') {
9384 if (first.twoMachinesColor[0] == 'b') {
9393 if (matchGame < appData.matchGames) {
9395 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9396 tmp = first.twoMachinesColor;
9397 first.twoMachinesColor = second.twoMachinesColor;
9398 second.twoMachinesColor = tmp;
9400 gameMode = nextGameMode;
9402 if(appData.matchPause>10000 || appData.matchPause<10)
9403 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9404 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9405 endingGame = 0; /* [HGM] crash */
9408 gameMode = nextGameMode;
9409 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9410 first.tidy, second.tidy,
9411 first.matchWins, second.matchWins,
9412 appData.matchGames - (first.matchWins + second.matchWins));
9413 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9416 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9417 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9419 gameMode = nextGameMode;
9421 endingGame = 0; /* [HGM] crash */
9422 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9423 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9424 matchMode = FALSE; appData.matchGames = matchGame = 0;
9430 /* Assumes program was just initialized (initString sent).
9431 Leaves program in force mode. */
9433 FeedMovesToProgram(cps, upto)
9434 ChessProgramState *cps;
9439 if (appData.debugMode)
9440 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9441 startedFromSetupPosition ? "position and " : "",
9442 backwardMostMove, upto, cps->which);
9443 if(currentlyInitializedVariant != gameInfo.variant) {
9445 // [HGM] variantswitch: make engine aware of new variant
9446 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9447 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9448 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9449 SendToProgram(buf, cps);
9450 currentlyInitializedVariant = gameInfo.variant;
9452 SendToProgram("force\n", cps);
9453 if (startedFromSetupPosition) {
9454 SendBoard(cps, backwardMostMove);
9455 if (appData.debugMode) {
9456 fprintf(debugFP, "feedMoves\n");
9459 for (i = backwardMostMove; i < upto; i++) {
9460 SendMoveToProgram(i, cps);
9466 ResurrectChessProgram()
9468 /* The chess program may have exited.
9469 If so, restart it and feed it all the moves made so far. */
9471 if (appData.noChessProgram || first.pr != NoProc) return;
9473 StartChessProgram(&first);
9474 InitChessProgram(&first, FALSE);
9475 FeedMovesToProgram(&first, currentMove);
9477 if (!first.sendTime) {
9478 /* can't tell gnuchess what its clock should read,
9479 so we bow to its notion. */
9481 timeRemaining[0][currentMove] = whiteTimeRemaining;
9482 timeRemaining[1][currentMove] = blackTimeRemaining;
9485 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9486 appData.icsEngineAnalyze) && first.analysisSupport) {
9487 SendToProgram("analyze\n", &first);
9488 first.analyzing = TRUE;
9501 if (appData.debugMode) {
9502 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9503 redraw, init, gameMode);
9505 CleanupTail(); // [HGM] vari: delete any stored variations
9506 pausing = pauseExamInvalid = FALSE;
9507 startedFromSetupPosition = blackPlaysFirst = FALSE;
9509 whiteFlag = blackFlag = FALSE;
9510 userOfferedDraw = FALSE;
9511 hintRequested = bookRequested = FALSE;
9512 first.maybeThinking = FALSE;
9513 second.maybeThinking = FALSE;
9514 first.bookSuspend = FALSE; // [HGM] book
9515 second.bookSuspend = FALSE;
9516 thinkOutput[0] = NULLCHAR;
9517 lastHint[0] = NULLCHAR;
9518 ClearGameInfo(&gameInfo);
9519 gameInfo.variant = StringToVariant(appData.variant);
9520 ics_user_moved = ics_clock_paused = FALSE;
9521 ics_getting_history = H_FALSE;
9523 white_holding[0] = black_holding[0] = NULLCHAR;
9524 ClearProgramStats();
9525 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9529 flipView = appData.flipView;
9530 ClearPremoveHighlights();
9532 alarmSounded = FALSE;
9534 GameEnds(EndOfFile, NULL, GE_PLAYER);
9535 if(appData.serverMovesName != NULL) {
9536 /* [HGM] prepare to make moves file for broadcasting */
9537 clock_t t = clock();
9538 if(serverMoves != NULL) fclose(serverMoves);
9539 serverMoves = fopen(appData.serverMovesName, "r");
9540 if(serverMoves != NULL) {
9541 fclose(serverMoves);
9542 /* delay 15 sec before overwriting, so all clients can see end */
9543 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9545 serverMoves = fopen(appData.serverMovesName, "w");
9549 gameMode = BeginningOfGame;
9551 if(appData.icsActive) gameInfo.variant = VariantNormal;
9552 currentMove = forwardMostMove = backwardMostMove = 0;
9553 InitPosition(redraw);
9554 for (i = 0; i < MAX_MOVES; i++) {
9555 if (commentList[i] != NULL) {
9556 free(commentList[i]);
9557 commentList[i] = NULL;
9561 timeRemaining[0][0] = whiteTimeRemaining;
9562 timeRemaining[1][0] = blackTimeRemaining;
9563 if (first.pr == NULL) {
9564 StartChessProgram(&first);
9567 InitChessProgram(&first, startedFromSetupPosition);
9570 DisplayMessage("", "");
9571 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9572 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9579 if (!AutoPlayOneMove())
9581 if (matchMode || appData.timeDelay == 0)
9583 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9585 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9594 int fromX, fromY, toX, toY;
9596 if (appData.debugMode) {
9597 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9600 if (gameMode != PlayFromGameFile)
9603 if (currentMove >= forwardMostMove) {
9604 gameMode = EditGame;
9607 /* [AS] Clear current move marker at the end of a game */
9608 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9613 toX = moveList[currentMove][2] - AAA;
9614 toY = moveList[currentMove][3] - ONE;
9616 if (moveList[currentMove][1] == '@') {
9617 if (appData.highlightLastMove) {
9618 SetHighlights(-1, -1, toX, toY);
9621 fromX = moveList[currentMove][0] - AAA;
9622 fromY = moveList[currentMove][1] - ONE;
9624 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9626 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9628 if (appData.highlightLastMove) {
9629 SetHighlights(fromX, fromY, toX, toY);
9632 DisplayMove(currentMove);
9633 SendMoveToProgram(currentMove++, &first);
9634 DisplayBothClocks();
9635 DrawPosition(FALSE, boards[currentMove]);
9636 // [HGM] PV info: always display, routine tests if empty
9637 DisplayComment(currentMove - 1, commentList[currentMove]);
9643 LoadGameOneMove(readAhead)
9644 ChessMove readAhead;
9646 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9647 char promoChar = NULLCHAR;
9652 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9653 gameMode != AnalyzeMode && gameMode != Training) {
9658 yyboardindex = forwardMostMove;
9659 if (readAhead != EndOfFile) {
9660 moveType = readAhead;
9662 if (gameFileFP == NULL)
9664 moveType = (ChessMove) yylex();
9670 if (appData.debugMode)
9671 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9674 /* append the comment but don't display it */
9675 AppendComment(currentMove, p, FALSE);
9678 case WhiteCapturesEnPassant:
9679 case BlackCapturesEnPassant:
9680 case WhitePromotion:
9681 case BlackPromotion:
9682 case WhiteNonPromotion:
9683 case BlackNonPromotion:
9685 case WhiteKingSideCastle:
9686 case WhiteQueenSideCastle:
9687 case BlackKingSideCastle:
9688 case BlackQueenSideCastle:
9689 case WhiteKingSideCastleWild:
9690 case WhiteQueenSideCastleWild:
9691 case BlackKingSideCastleWild:
9692 case BlackQueenSideCastleWild:
9694 case WhiteHSideCastleFR:
9695 case WhiteASideCastleFR:
9696 case BlackHSideCastleFR:
9697 case BlackASideCastleFR:
9699 if (appData.debugMode)
9700 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9701 fromX = currentMoveString[0] - AAA;
9702 fromY = currentMoveString[1] - ONE;
9703 toX = currentMoveString[2] - AAA;
9704 toY = currentMoveString[3] - ONE;
9705 promoChar = currentMoveString[4];
9710 if (appData.debugMode)
9711 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9712 fromX = moveType == WhiteDrop ?
9713 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9714 (int) CharToPiece(ToLower(currentMoveString[0]));
9716 toX = currentMoveString[2] - AAA;
9717 toY = currentMoveString[3] - ONE;
9723 case GameUnfinished:
9724 if (appData.debugMode)
9725 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9726 p = strchr(yy_text, '{');
9727 if (p == NULL) p = strchr(yy_text, '(');
9730 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9732 q = strchr(p, *p == '{' ? '}' : ')');
9733 if (q != NULL) *q = NULLCHAR;
9736 GameEnds(moveType, p, GE_FILE);
9738 if (cmailMsgLoaded) {
9740 flipView = WhiteOnMove(currentMove);
9741 if (moveType == GameUnfinished) flipView = !flipView;
9742 if (appData.debugMode)
9743 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9748 if (appData.debugMode)
9749 fprintf(debugFP, "Parser hit end of file\n");
9750 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9756 if (WhiteOnMove(currentMove)) {
9757 GameEnds(BlackWins, "Black mates", GE_FILE);
9759 GameEnds(WhiteWins, "White mates", GE_FILE);
9763 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9770 if (lastLoadGameStart == GNUChessGame) {
9771 /* GNUChessGames have numbers, but they aren't move numbers */
9772 if (appData.debugMode)
9773 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9774 yy_text, (int) moveType);
9775 return LoadGameOneMove(EndOfFile); /* tail recursion */
9777 /* else fall thru */
9782 /* Reached start of next game in file */
9783 if (appData.debugMode)
9784 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9785 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9791 if (WhiteOnMove(currentMove)) {
9792 GameEnds(BlackWins, "Black mates", GE_FILE);
9794 GameEnds(WhiteWins, "White mates", GE_FILE);
9798 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9804 case PositionDiagram: /* should not happen; ignore */
9805 case ElapsedTime: /* ignore */
9806 case NAG: /* ignore */
9807 if (appData.debugMode)
9808 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9809 yy_text, (int) moveType);
9810 return LoadGameOneMove(EndOfFile); /* tail recursion */
9813 if (appData.testLegality) {
9814 if (appData.debugMode)
9815 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9816 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9817 (forwardMostMove / 2) + 1,
9818 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9819 DisplayError(move, 0);
9822 if (appData.debugMode)
9823 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9824 yy_text, currentMoveString);
9825 fromX = currentMoveString[0] - AAA;
9826 fromY = currentMoveString[1] - ONE;
9827 toX = currentMoveString[2] - AAA;
9828 toY = currentMoveString[3] - ONE;
9829 promoChar = currentMoveString[4];
9834 if (appData.debugMode)
9835 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9836 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9837 (forwardMostMove / 2) + 1,
9838 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9839 DisplayError(move, 0);
9844 case ImpossibleMove:
9845 if (appData.debugMode)
9846 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9847 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9848 (forwardMostMove / 2) + 1,
9849 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9850 DisplayError(move, 0);
9856 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9857 DrawPosition(FALSE, boards[currentMove]);
9858 DisplayBothClocks();
9859 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9860 DisplayComment(currentMove - 1, commentList[currentMove]);
9862 (void) StopLoadGameTimer();
9864 cmailOldMove = forwardMostMove;
9867 /* currentMoveString is set as a side-effect of yylex */
9868 strcat(currentMoveString, "\n");
9869 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9871 thinkOutput[0] = NULLCHAR;
9872 MakeMove(fromX, fromY, toX, toY, promoChar);
9873 currentMove = forwardMostMove;
9878 /* Load the nth game from the given file */
9880 LoadGameFromFile(filename, n, title, useList)
9884 /*Boolean*/ int useList;
9889 if (strcmp(filename, "-") == 0) {
9893 f = fopen(filename, "rb");
9895 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9896 DisplayError(buf, errno);
9900 if (fseek(f, 0, 0) == -1) {
9901 /* f is not seekable; probably a pipe */
9904 if (useList && n == 0) {
9905 int error = GameListBuild(f);
9907 DisplayError(_("Cannot build game list"), error);
9908 } else if (!ListEmpty(&gameList) &&
9909 ((ListGame *) gameList.tailPred)->number > 1) {
9910 GameListPopUp(f, title);
9917 return LoadGame(f, n, title, FALSE);
9922 MakeRegisteredMove()
9924 int fromX, fromY, toX, toY;
9926 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9927 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9930 if (appData.debugMode)
9931 fprintf(debugFP, "Restoring %s for game %d\n",
9932 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9934 thinkOutput[0] = NULLCHAR;
9935 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9936 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9937 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9938 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9939 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9940 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9941 MakeMove(fromX, fromY, toX, toY, promoChar);
9942 ShowMove(fromX, fromY, toX, toY);
9944 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9951 if (WhiteOnMove(currentMove)) {
9952 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9954 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9959 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9966 if (WhiteOnMove(currentMove)) {
9967 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9969 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9974 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9985 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9987 CmailLoadGame(f, gameNumber, title, useList)
9995 if (gameNumber > nCmailGames) {
9996 DisplayError(_("No more games in this message"), 0);
9999 if (f == lastLoadGameFP) {
10000 int offset = gameNumber - lastLoadGameNumber;
10002 cmailMsg[0] = NULLCHAR;
10003 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10004 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10005 nCmailMovesRegistered--;
10007 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10008 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10009 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10012 if (! RegisterMove()) return FALSE;
10016 retVal = LoadGame(f, gameNumber, title, useList);
10018 /* Make move registered during previous look at this game, if any */
10019 MakeRegisteredMove();
10021 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10022 commentList[currentMove]
10023 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10024 DisplayComment(currentMove - 1, commentList[currentMove]);
10030 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10035 int gameNumber = lastLoadGameNumber + offset;
10036 if (lastLoadGameFP == NULL) {
10037 DisplayError(_("No game has been loaded yet"), 0);
10040 if (gameNumber <= 0) {
10041 DisplayError(_("Can't back up any further"), 0);
10044 if (cmailMsgLoaded) {
10045 return CmailLoadGame(lastLoadGameFP, gameNumber,
10046 lastLoadGameTitle, lastLoadGameUseList);
10048 return LoadGame(lastLoadGameFP, gameNumber,
10049 lastLoadGameTitle, lastLoadGameUseList);
10055 /* Load the nth game from open file f */
10057 LoadGame(f, gameNumber, title, useList)
10065 int gn = gameNumber;
10066 ListGame *lg = NULL;
10067 int numPGNTags = 0;
10069 GameMode oldGameMode;
10070 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10072 if (appData.debugMode)
10073 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10075 if (gameMode == Training )
10076 SetTrainingModeOff();
10078 oldGameMode = gameMode;
10079 if (gameMode != BeginningOfGame) {
10080 Reset(FALSE, TRUE);
10084 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10085 fclose(lastLoadGameFP);
10089 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10092 fseek(f, lg->offset, 0);
10093 GameListHighlight(gameNumber);
10097 DisplayError(_("Game number out of range"), 0);
10102 if (fseek(f, 0, 0) == -1) {
10103 if (f == lastLoadGameFP ?
10104 gameNumber == lastLoadGameNumber + 1 :
10108 DisplayError(_("Can't seek on game file"), 0);
10113 lastLoadGameFP = f;
10114 lastLoadGameNumber = gameNumber;
10115 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10116 lastLoadGameUseList = useList;
10120 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10121 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10122 lg->gameInfo.black);
10124 } else if (*title != NULLCHAR) {
10125 if (gameNumber > 1) {
10126 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10129 DisplayTitle(title);
10133 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10134 gameMode = PlayFromGameFile;
10138 currentMove = forwardMostMove = backwardMostMove = 0;
10139 CopyBoard(boards[0], initialPosition);
10143 * Skip the first gn-1 games in the file.
10144 * Also skip over anything that precedes an identifiable
10145 * start of game marker, to avoid being confused by
10146 * garbage at the start of the file. Currently
10147 * recognized start of game markers are the move number "1",
10148 * the pattern "gnuchess .* game", the pattern
10149 * "^[#;%] [^ ]* game file", and a PGN tag block.
10150 * A game that starts with one of the latter two patterns
10151 * will also have a move number 1, possibly
10152 * following a position diagram.
10153 * 5-4-02: Let's try being more lenient and allowing a game to
10154 * start with an unnumbered move. Does that break anything?
10156 cm = lastLoadGameStart = EndOfFile;
10158 yyboardindex = forwardMostMove;
10159 cm = (ChessMove) yylex();
10162 if (cmailMsgLoaded) {
10163 nCmailGames = CMAIL_MAX_GAMES - gn;
10166 DisplayError(_("Game not found in file"), 0);
10173 lastLoadGameStart = cm;
10176 case MoveNumberOne:
10177 switch (lastLoadGameStart) {
10182 case MoveNumberOne:
10184 gn--; /* count this game */
10185 lastLoadGameStart = cm;
10194 switch (lastLoadGameStart) {
10197 case MoveNumberOne:
10199 gn--; /* count this game */
10200 lastLoadGameStart = cm;
10203 lastLoadGameStart = cm; /* game counted already */
10211 yyboardindex = forwardMostMove;
10212 cm = (ChessMove) yylex();
10213 } while (cm == PGNTag || cm == Comment);
10220 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10221 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10222 != CMAIL_OLD_RESULT) {
10224 cmailResult[ CMAIL_MAX_GAMES
10225 - gn - 1] = CMAIL_OLD_RESULT;
10231 /* Only a NormalMove can be at the start of a game
10232 * without a position diagram. */
10233 if (lastLoadGameStart == EndOfFile ) {
10235 lastLoadGameStart = MoveNumberOne;
10244 if (appData.debugMode)
10245 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10247 if (cm == XBoardGame) {
10248 /* Skip any header junk before position diagram and/or move 1 */
10250 yyboardindex = forwardMostMove;
10251 cm = (ChessMove) yylex();
10253 if (cm == EndOfFile ||
10254 cm == GNUChessGame || cm == XBoardGame) {
10255 /* Empty game; pretend end-of-file and handle later */
10260 if (cm == MoveNumberOne || cm == PositionDiagram ||
10261 cm == PGNTag || cm == Comment)
10264 } else if (cm == GNUChessGame) {
10265 if (gameInfo.event != NULL) {
10266 free(gameInfo.event);
10268 gameInfo.event = StrSave(yy_text);
10271 startedFromSetupPosition = FALSE;
10272 while (cm == PGNTag) {
10273 if (appData.debugMode)
10274 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10275 err = ParsePGNTag(yy_text, &gameInfo);
10276 if (!err) numPGNTags++;
10278 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10279 if(gameInfo.variant != oldVariant) {
10280 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10281 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10282 InitPosition(TRUE);
10283 oldVariant = gameInfo.variant;
10284 if (appData.debugMode)
10285 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10289 if (gameInfo.fen != NULL) {
10290 Board initial_position;
10291 startedFromSetupPosition = TRUE;
10292 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10294 DisplayError(_("Bad FEN position in file"), 0);
10297 CopyBoard(boards[0], initial_position);
10298 if (blackPlaysFirst) {
10299 currentMove = forwardMostMove = backwardMostMove = 1;
10300 CopyBoard(boards[1], initial_position);
10301 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10302 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10303 timeRemaining[0][1] = whiteTimeRemaining;
10304 timeRemaining[1][1] = blackTimeRemaining;
10305 if (commentList[0] != NULL) {
10306 commentList[1] = commentList[0];
10307 commentList[0] = NULL;
10310 currentMove = forwardMostMove = backwardMostMove = 0;
10312 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10314 initialRulePlies = FENrulePlies;
10315 for( i=0; i< nrCastlingRights; i++ )
10316 initialRights[i] = initial_position[CASTLING][i];
10318 yyboardindex = forwardMostMove;
10319 free(gameInfo.fen);
10320 gameInfo.fen = NULL;
10323 yyboardindex = forwardMostMove;
10324 cm = (ChessMove) yylex();
10326 /* Handle comments interspersed among the tags */
10327 while (cm == Comment) {
10329 if (appData.debugMode)
10330 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10332 AppendComment(currentMove, p, FALSE);
10333 yyboardindex = forwardMostMove;
10334 cm = (ChessMove) yylex();
10338 /* don't rely on existence of Event tag since if game was
10339 * pasted from clipboard the Event tag may not exist
10341 if (numPGNTags > 0){
10343 if (gameInfo.variant == VariantNormal) {
10344 VariantClass v = StringToVariant(gameInfo.event);
10345 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10346 if(v < VariantShogi) gameInfo.variant = v;
10349 if( appData.autoDisplayTags ) {
10350 tags = PGNTags(&gameInfo);
10351 TagsPopUp(tags, CmailMsg());
10356 /* Make something up, but don't display it now */
10361 if (cm == PositionDiagram) {
10364 Board initial_position;
10366 if (appData.debugMode)
10367 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10369 if (!startedFromSetupPosition) {
10371 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10372 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10382 initial_position[i][j++] = CharToPiece(*p);
10385 while (*p == ' ' || *p == '\t' ||
10386 *p == '\n' || *p == '\r') p++;
10388 if (strncmp(p, "black", strlen("black"))==0)
10389 blackPlaysFirst = TRUE;
10391 blackPlaysFirst = FALSE;
10392 startedFromSetupPosition = TRUE;
10394 CopyBoard(boards[0], initial_position);
10395 if (blackPlaysFirst) {
10396 currentMove = forwardMostMove = backwardMostMove = 1;
10397 CopyBoard(boards[1], initial_position);
10398 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10399 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10400 timeRemaining[0][1] = whiteTimeRemaining;
10401 timeRemaining[1][1] = blackTimeRemaining;
10402 if (commentList[0] != NULL) {
10403 commentList[1] = commentList[0];
10404 commentList[0] = NULL;
10407 currentMove = forwardMostMove = backwardMostMove = 0;
10410 yyboardindex = forwardMostMove;
10411 cm = (ChessMove) yylex();
10414 if (first.pr == NoProc) {
10415 StartChessProgram(&first);
10417 InitChessProgram(&first, FALSE);
10418 SendToProgram("force\n", &first);
10419 if (startedFromSetupPosition) {
10420 SendBoard(&first, forwardMostMove);
10421 if (appData.debugMode) {
10422 fprintf(debugFP, "Load Game\n");
10424 DisplayBothClocks();
10427 /* [HGM] server: flag to write setup moves in broadcast file as one */
10428 loadFlag = appData.suppressLoadMoves;
10430 while (cm == Comment) {
10432 if (appData.debugMode)
10433 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10435 AppendComment(currentMove, p, FALSE);
10436 yyboardindex = forwardMostMove;
10437 cm = (ChessMove) yylex();
10440 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10441 cm == WhiteWins || cm == BlackWins ||
10442 cm == GameIsDrawn || cm == GameUnfinished) {
10443 DisplayMessage("", _("No moves in game"));
10444 if (cmailMsgLoaded) {
10445 if (appData.debugMode)
10446 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10450 DrawPosition(FALSE, boards[currentMove]);
10451 DisplayBothClocks();
10452 gameMode = EditGame;
10459 // [HGM] PV info: routine tests if comment empty
10460 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10461 DisplayComment(currentMove - 1, commentList[currentMove]);
10463 if (!matchMode && appData.timeDelay != 0)
10464 DrawPosition(FALSE, boards[currentMove]);
10466 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10467 programStats.ok_to_send = 1;
10470 /* if the first token after the PGN tags is a move
10471 * and not move number 1, retrieve it from the parser
10473 if (cm != MoveNumberOne)
10474 LoadGameOneMove(cm);
10476 /* load the remaining moves from the file */
10477 while (LoadGameOneMove(EndOfFile)) {
10478 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10479 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10482 /* rewind to the start of the game */
10483 currentMove = backwardMostMove;
10485 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10487 if (oldGameMode == AnalyzeFile ||
10488 oldGameMode == AnalyzeMode) {
10489 AnalyzeFileEvent();
10492 if (matchMode || appData.timeDelay == 0) {
10494 gameMode = EditGame;
10496 } else if (appData.timeDelay > 0) {
10497 AutoPlayGameLoop();
10500 if (appData.debugMode)
10501 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10503 loadFlag = 0; /* [HGM] true game starts */
10507 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10509 ReloadPosition(offset)
10512 int positionNumber = lastLoadPositionNumber + offset;
10513 if (lastLoadPositionFP == NULL) {
10514 DisplayError(_("No position has been loaded yet"), 0);
10517 if (positionNumber <= 0) {
10518 DisplayError(_("Can't back up any further"), 0);
10521 return LoadPosition(lastLoadPositionFP, positionNumber,
10522 lastLoadPositionTitle);
10525 /* Load the nth position from the given file */
10527 LoadPositionFromFile(filename, n, title)
10535 if (strcmp(filename, "-") == 0) {
10536 return LoadPosition(stdin, n, "stdin");
10538 f = fopen(filename, "rb");
10540 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10541 DisplayError(buf, errno);
10544 return LoadPosition(f, n, title);
10549 /* Load the nth position from the given open file, and close it */
10551 LoadPosition(f, positionNumber, title)
10553 int positionNumber;
10556 char *p, line[MSG_SIZ];
10557 Board initial_position;
10558 int i, j, fenMode, pn;
10560 if (gameMode == Training )
10561 SetTrainingModeOff();
10563 if (gameMode != BeginningOfGame) {
10564 Reset(FALSE, TRUE);
10566 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10567 fclose(lastLoadPositionFP);
10569 if (positionNumber == 0) positionNumber = 1;
10570 lastLoadPositionFP = f;
10571 lastLoadPositionNumber = positionNumber;
10572 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10573 if (first.pr == NoProc) {
10574 StartChessProgram(&first);
10575 InitChessProgram(&first, FALSE);
10577 pn = positionNumber;
10578 if (positionNumber < 0) {
10579 /* Negative position number means to seek to that byte offset */
10580 if (fseek(f, -positionNumber, 0) == -1) {
10581 DisplayError(_("Can't seek on position file"), 0);
10586 if (fseek(f, 0, 0) == -1) {
10587 if (f == lastLoadPositionFP ?
10588 positionNumber == lastLoadPositionNumber + 1 :
10589 positionNumber == 1) {
10592 DisplayError(_("Can't seek on position file"), 0);
10597 /* See if this file is FEN or old-style xboard */
10598 if (fgets(line, MSG_SIZ, f) == NULL) {
10599 DisplayError(_("Position not found in file"), 0);
10602 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10603 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10606 if (fenMode || line[0] == '#') pn--;
10608 /* skip positions before number pn */
10609 if (fgets(line, MSG_SIZ, f) == NULL) {
10611 DisplayError(_("Position not found in file"), 0);
10614 if (fenMode || line[0] == '#') pn--;
10619 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10620 DisplayError(_("Bad FEN position in file"), 0);
10624 (void) fgets(line, MSG_SIZ, f);
10625 (void) fgets(line, MSG_SIZ, f);
10627 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10628 (void) fgets(line, MSG_SIZ, f);
10629 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10632 initial_position[i][j++] = CharToPiece(*p);
10636 blackPlaysFirst = FALSE;
10638 (void) fgets(line, MSG_SIZ, f);
10639 if (strncmp(line, "black", strlen("black"))==0)
10640 blackPlaysFirst = TRUE;
10643 startedFromSetupPosition = TRUE;
10645 SendToProgram("force\n", &first);
10646 CopyBoard(boards[0], initial_position);
10647 if (blackPlaysFirst) {
10648 currentMove = forwardMostMove = backwardMostMove = 1;
10649 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10650 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10651 CopyBoard(boards[1], initial_position);
10652 DisplayMessage("", _("Black to play"));
10654 currentMove = forwardMostMove = backwardMostMove = 0;
10655 DisplayMessage("", _("White to play"));
10657 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10658 SendBoard(&first, forwardMostMove);
10659 if (appData.debugMode) {
10661 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10662 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10663 fprintf(debugFP, "Load Position\n");
10666 if (positionNumber > 1) {
10667 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10668 DisplayTitle(line);
10670 DisplayTitle(title);
10672 gameMode = EditGame;
10675 timeRemaining[0][1] = whiteTimeRemaining;
10676 timeRemaining[1][1] = blackTimeRemaining;
10677 DrawPosition(FALSE, boards[currentMove]);
10684 CopyPlayerNameIntoFileName(dest, src)
10687 while (*src != NULLCHAR && *src != ',') {
10692 *(*dest)++ = *src++;
10697 char *DefaultFileName(ext)
10700 static char def[MSG_SIZ];
10703 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10705 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10707 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10709 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10716 /* Save the current game to the given file */
10718 SaveGameToFile(filename, append)
10725 if (strcmp(filename, "-") == 0) {
10726 return SaveGame(stdout, 0, NULL);
10728 f = fopen(filename, append ? "a" : "w");
10730 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10731 DisplayError(buf, errno);
10734 return SaveGame(f, 0, NULL);
10743 static char buf[MSG_SIZ];
10746 p = strchr(str, ' ');
10747 if (p == NULL) return str;
10748 strncpy(buf, str, p - str);
10749 buf[p - str] = NULLCHAR;
10753 #define PGN_MAX_LINE 75
10755 #define PGN_SIDE_WHITE 0
10756 #define PGN_SIDE_BLACK 1
10759 static int FindFirstMoveOutOfBook( int side )
10763 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10764 int index = backwardMostMove;
10765 int has_book_hit = 0;
10767 if( (index % 2) != side ) {
10771 while( index < forwardMostMove ) {
10772 /* Check to see if engine is in book */
10773 int depth = pvInfoList[index].depth;
10774 int score = pvInfoList[index].score;
10780 else if( score == 0 && depth == 63 ) {
10781 in_book = 1; /* Zappa */
10783 else if( score == 2 && depth == 99 ) {
10784 in_book = 1; /* Abrok */
10787 has_book_hit += in_book;
10803 void GetOutOfBookInfo( char * buf )
10807 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10809 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10810 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10814 if( oob[0] >= 0 || oob[1] >= 0 ) {
10815 for( i=0; i<2; i++ ) {
10819 if( i > 0 && oob[0] >= 0 ) {
10820 strcat( buf, " " );
10823 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10824 sprintf( buf+strlen(buf), "%s%.2f",
10825 pvInfoList[idx].score >= 0 ? "+" : "",
10826 pvInfoList[idx].score / 100.0 );
10832 /* Save game in PGN style and close the file */
10837 int i, offset, linelen, newblock;
10841 int movelen, numlen, blank;
10842 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10844 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10846 tm = time((time_t *) NULL);
10848 PrintPGNTags(f, &gameInfo);
10850 if (backwardMostMove > 0 || startedFromSetupPosition) {
10851 char *fen = PositionToFEN(backwardMostMove, NULL);
10852 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10853 fprintf(f, "\n{--------------\n");
10854 PrintPosition(f, backwardMostMove);
10855 fprintf(f, "--------------}\n");
10859 /* [AS] Out of book annotation */
10860 if( appData.saveOutOfBookInfo ) {
10863 GetOutOfBookInfo( buf );
10865 if( buf[0] != '\0' ) {
10866 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10873 i = backwardMostMove;
10877 while (i < forwardMostMove) {
10878 /* Print comments preceding this move */
10879 if (commentList[i] != NULL) {
10880 if (linelen > 0) fprintf(f, "\n");
10881 fprintf(f, "%s", commentList[i]);
10886 /* Format move number */
10888 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10891 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10893 numtext[0] = NULLCHAR;
10895 numlen = strlen(numtext);
10898 /* Print move number */
10899 blank = linelen > 0 && numlen > 0;
10900 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10909 fprintf(f, "%s", numtext);
10913 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10914 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10917 blank = linelen > 0 && movelen > 0;
10918 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10927 fprintf(f, "%s", move_buffer);
10928 linelen += movelen;
10930 /* [AS] Add PV info if present */
10931 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10932 /* [HGM] add time */
10933 char buf[MSG_SIZ]; int seconds;
10935 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10941 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10944 seconds = (seconds + 4)/10; // round to full seconds
10946 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10948 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10951 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10952 pvInfoList[i].score >= 0 ? "+" : "",
10953 pvInfoList[i].score / 100.0,
10954 pvInfoList[i].depth,
10957 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10959 /* Print score/depth */
10960 blank = linelen > 0 && movelen > 0;
10961 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10970 fprintf(f, "%s", move_buffer);
10971 linelen += movelen;
10977 /* Start a new line */
10978 if (linelen > 0) fprintf(f, "\n");
10980 /* Print comments after last move */
10981 if (commentList[i] != NULL) {
10982 fprintf(f, "%s\n", commentList[i]);
10986 if (gameInfo.resultDetails != NULL &&
10987 gameInfo.resultDetails[0] != NULLCHAR) {
10988 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10989 PGNResult(gameInfo.result));
10991 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10995 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10999 /* Save game in old style and close the file */
11001 SaveGameOldStyle(f)
11007 tm = time((time_t *) NULL);
11009 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11012 if (backwardMostMove > 0 || startedFromSetupPosition) {
11013 fprintf(f, "\n[--------------\n");
11014 PrintPosition(f, backwardMostMove);
11015 fprintf(f, "--------------]\n");
11020 i = backwardMostMove;
11021 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11023 while (i < forwardMostMove) {
11024 if (commentList[i] != NULL) {
11025 fprintf(f, "[%s]\n", commentList[i]);
11028 if ((i % 2) == 1) {
11029 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11032 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11034 if (commentList[i] != NULL) {
11038 if (i >= forwardMostMove) {
11042 fprintf(f, "%s\n", parseList[i]);
11047 if (commentList[i] != NULL) {
11048 fprintf(f, "[%s]\n", commentList[i]);
11051 /* This isn't really the old style, but it's close enough */
11052 if (gameInfo.resultDetails != NULL &&
11053 gameInfo.resultDetails[0] != NULLCHAR) {
11054 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11055 gameInfo.resultDetails);
11057 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11064 /* Save the current game to open file f and close the file */
11066 SaveGame(f, dummy, dummy2)
11071 if (gameMode == EditPosition) EditPositionDone(TRUE);
11072 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11073 if (appData.oldSaveStyle)
11074 return SaveGameOldStyle(f);
11076 return SaveGamePGN(f);
11079 /* Save the current position to the given file */
11081 SavePositionToFile(filename)
11087 if (strcmp(filename, "-") == 0) {
11088 return SavePosition(stdout, 0, NULL);
11090 f = fopen(filename, "a");
11092 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11093 DisplayError(buf, errno);
11096 SavePosition(f, 0, NULL);
11102 /* Save the current position to the given open file and close the file */
11104 SavePosition(f, dummy, dummy2)
11112 if (gameMode == EditPosition) EditPositionDone(TRUE);
11113 if (appData.oldSaveStyle) {
11114 tm = time((time_t *) NULL);
11116 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11118 fprintf(f, "[--------------\n");
11119 PrintPosition(f, currentMove);
11120 fprintf(f, "--------------]\n");
11122 fen = PositionToFEN(currentMove, NULL);
11123 fprintf(f, "%s\n", fen);
11131 ReloadCmailMsgEvent(unregister)
11135 static char *inFilename = NULL;
11136 static char *outFilename;
11138 struct stat inbuf, outbuf;
11141 /* Any registered moves are unregistered if unregister is set, */
11142 /* i.e. invoked by the signal handler */
11144 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11145 cmailMoveRegistered[i] = FALSE;
11146 if (cmailCommentList[i] != NULL) {
11147 free(cmailCommentList[i]);
11148 cmailCommentList[i] = NULL;
11151 nCmailMovesRegistered = 0;
11154 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11155 cmailResult[i] = CMAIL_NOT_RESULT;
11159 if (inFilename == NULL) {
11160 /* Because the filenames are static they only get malloced once */
11161 /* and they never get freed */
11162 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11163 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11165 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11166 sprintf(outFilename, "%s.out", appData.cmailGameName);
11169 status = stat(outFilename, &outbuf);
11171 cmailMailedMove = FALSE;
11173 status = stat(inFilename, &inbuf);
11174 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11177 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11178 counts the games, notes how each one terminated, etc.
11180 It would be nice to remove this kludge and instead gather all
11181 the information while building the game list. (And to keep it
11182 in the game list nodes instead of having a bunch of fixed-size
11183 parallel arrays.) Note this will require getting each game's
11184 termination from the PGN tags, as the game list builder does
11185 not process the game moves. --mann
11187 cmailMsgLoaded = TRUE;
11188 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11190 /* Load first game in the file or popup game menu */
11191 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11193 #endif /* !WIN32 */
11201 char string[MSG_SIZ];
11203 if ( cmailMailedMove
11204 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11205 return TRUE; /* Allow free viewing */
11208 /* Unregister move to ensure that we don't leave RegisterMove */
11209 /* with the move registered when the conditions for registering no */
11211 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11212 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11213 nCmailMovesRegistered --;
11215 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11217 free(cmailCommentList[lastLoadGameNumber - 1]);
11218 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11222 if (cmailOldMove == -1) {
11223 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11227 if (currentMove > cmailOldMove + 1) {
11228 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11232 if (currentMove < cmailOldMove) {
11233 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11237 if (forwardMostMove > currentMove) {
11238 /* Silently truncate extra moves */
11242 if ( (currentMove == cmailOldMove + 1)
11243 || ( (currentMove == cmailOldMove)
11244 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11245 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11246 if (gameInfo.result != GameUnfinished) {
11247 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11250 if (commentList[currentMove] != NULL) {
11251 cmailCommentList[lastLoadGameNumber - 1]
11252 = StrSave(commentList[currentMove]);
11254 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11256 if (appData.debugMode)
11257 fprintf(debugFP, "Saving %s for game %d\n",
11258 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11260 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11262 f = fopen(string, "w");
11263 if (appData.oldSaveStyle) {
11264 SaveGameOldStyle(f); /* also closes the file */
11266 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11267 f = fopen(string, "w");
11268 SavePosition(f, 0, NULL); /* also closes the file */
11270 fprintf(f, "{--------------\n");
11271 PrintPosition(f, currentMove);
11272 fprintf(f, "--------------}\n\n");
11274 SaveGame(f, 0, NULL); /* also closes the file*/
11277 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11278 nCmailMovesRegistered ++;
11279 } else if (nCmailGames == 1) {
11280 DisplayError(_("You have not made a move yet"), 0);
11291 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11292 FILE *commandOutput;
11293 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11294 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11300 if (! cmailMsgLoaded) {
11301 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11305 if (nCmailGames == nCmailResults) {
11306 DisplayError(_("No unfinished games"), 0);
11310 #if CMAIL_PROHIBIT_REMAIL
11311 if (cmailMailedMove) {
11312 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);
11313 DisplayError(msg, 0);
11318 if (! (cmailMailedMove || RegisterMove())) return;
11320 if ( cmailMailedMove
11321 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11322 snprintf(string, MSG_SIZ, partCommandString,
11323 appData.debugMode ? " -v" : "", appData.cmailGameName);
11324 commandOutput = popen(string, "r");
11326 if (commandOutput == NULL) {
11327 DisplayError(_("Failed to invoke cmail"), 0);
11329 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11330 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11332 if (nBuffers > 1) {
11333 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11334 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11335 nBytes = MSG_SIZ - 1;
11337 (void) memcpy(msg, buffer, nBytes);
11339 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11341 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11342 cmailMailedMove = TRUE; /* Prevent >1 moves */
11345 for (i = 0; i < nCmailGames; i ++) {
11346 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11351 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11353 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11355 appData.cmailGameName,
11357 LoadGameFromFile(buffer, 1, buffer, FALSE);
11358 cmailMsgLoaded = FALSE;
11362 DisplayInformation(msg);
11363 pclose(commandOutput);
11366 if ((*cmailMsg) != '\0') {
11367 DisplayInformation(cmailMsg);
11372 #endif /* !WIN32 */
11381 int prependComma = 0;
11383 char string[MSG_SIZ]; /* Space for game-list */
11386 if (!cmailMsgLoaded) return "";
11388 if (cmailMailedMove) {
11389 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11391 /* Create a list of games left */
11392 snprintf(string, MSG_SIZ, "[");
11393 for (i = 0; i < nCmailGames; i ++) {
11394 if (! ( cmailMoveRegistered[i]
11395 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11396 if (prependComma) {
11397 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11399 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11403 strcat(string, number);
11406 strcat(string, "]");
11408 if (nCmailMovesRegistered + nCmailResults == 0) {
11409 switch (nCmailGames) {
11411 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11415 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11419 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11424 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11426 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11431 if (nCmailResults == nCmailGames) {
11432 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11434 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11439 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11451 if (gameMode == Training)
11452 SetTrainingModeOff();
11455 cmailMsgLoaded = FALSE;
11456 if (appData.icsActive) {
11457 SendToICS(ics_prefix);
11458 SendToICS("refresh\n");
11468 /* Give up on clean exit */
11472 /* Keep trying for clean exit */
11476 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11478 if (telnetISR != NULL) {
11479 RemoveInputSource(telnetISR);
11481 if (icsPR != NoProc) {
11482 DestroyChildProcess(icsPR, TRUE);
11485 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11486 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11488 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11489 /* make sure this other one finishes before killing it! */
11490 if(endingGame) { int count = 0;
11491 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11492 while(endingGame && count++ < 10) DoSleep(1);
11493 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11496 /* Kill off chess programs */
11497 if (first.pr != NoProc) {
11500 DoSleep( appData.delayBeforeQuit );
11501 SendToProgram("quit\n", &first);
11502 DoSleep( appData.delayAfterQuit );
11503 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11505 if (second.pr != NoProc) {
11506 DoSleep( appData.delayBeforeQuit );
11507 SendToProgram("quit\n", &second);
11508 DoSleep( appData.delayAfterQuit );
11509 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11511 if (first.isr != NULL) {
11512 RemoveInputSource(first.isr);
11514 if (second.isr != NULL) {
11515 RemoveInputSource(second.isr);
11518 ShutDownFrontEnd();
11525 if (appData.debugMode)
11526 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11530 if (gameMode == MachinePlaysWhite ||
11531 gameMode == MachinePlaysBlack) {
11534 DisplayBothClocks();
11536 if (gameMode == PlayFromGameFile) {
11537 if (appData.timeDelay >= 0)
11538 AutoPlayGameLoop();
11539 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11540 Reset(FALSE, TRUE);
11541 SendToICS(ics_prefix);
11542 SendToICS("refresh\n");
11543 } else if (currentMove < forwardMostMove) {
11544 ForwardInner(forwardMostMove);
11546 pauseExamInvalid = FALSE;
11548 switch (gameMode) {
11552 pauseExamForwardMostMove = forwardMostMove;
11553 pauseExamInvalid = FALSE;
11556 case IcsPlayingWhite:
11557 case IcsPlayingBlack:
11561 case PlayFromGameFile:
11562 (void) StopLoadGameTimer();
11566 case BeginningOfGame:
11567 if (appData.icsActive) return;
11568 /* else fall through */
11569 case MachinePlaysWhite:
11570 case MachinePlaysBlack:
11571 case TwoMachinesPlay:
11572 if (forwardMostMove == 0)
11573 return; /* don't pause if no one has moved */
11574 if ((gameMode == MachinePlaysWhite &&
11575 !WhiteOnMove(forwardMostMove)) ||
11576 (gameMode == MachinePlaysBlack &&
11577 WhiteOnMove(forwardMostMove))) {
11590 char title[MSG_SIZ];
11592 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11593 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11595 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11596 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11597 parseList[currentMove - 1]);
11600 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11607 char *tags = PGNTags(&gameInfo);
11608 EditTagsPopUp(tags);
11615 if (appData.noChessProgram || gameMode == AnalyzeMode)
11618 if (gameMode != AnalyzeFile) {
11619 if (!appData.icsEngineAnalyze) {
11621 if (gameMode != EditGame) return;
11623 ResurrectChessProgram();
11624 SendToProgram("analyze\n", &first);
11625 first.analyzing = TRUE;
11626 /*first.maybeThinking = TRUE;*/
11627 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11628 EngineOutputPopUp();
11630 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11635 StartAnalysisClock();
11636 GetTimeMark(&lastNodeCountTime);
11643 if (appData.noChessProgram || gameMode == AnalyzeFile)
11646 if (gameMode != AnalyzeMode) {
11648 if (gameMode != EditGame) return;
11649 ResurrectChessProgram();
11650 SendToProgram("analyze\n", &first);
11651 first.analyzing = TRUE;
11652 /*first.maybeThinking = TRUE;*/
11653 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11654 EngineOutputPopUp();
11656 gameMode = AnalyzeFile;
11661 StartAnalysisClock();
11662 GetTimeMark(&lastNodeCountTime);
11667 MachineWhiteEvent()
11670 char *bookHit = NULL;
11672 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11676 if (gameMode == PlayFromGameFile ||
11677 gameMode == TwoMachinesPlay ||
11678 gameMode == Training ||
11679 gameMode == AnalyzeMode ||
11680 gameMode == EndOfGame)
11683 if (gameMode == EditPosition)
11684 EditPositionDone(TRUE);
11686 if (!WhiteOnMove(currentMove)) {
11687 DisplayError(_("It is not White's turn"), 0);
11691 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11694 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11695 gameMode == AnalyzeFile)
11698 ResurrectChessProgram(); /* in case it isn't running */
11699 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11700 gameMode = MachinePlaysWhite;
11703 gameMode = MachinePlaysWhite;
11707 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11709 if (first.sendName) {
11710 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11711 SendToProgram(buf, &first);
11713 if (first.sendTime) {
11714 if (first.useColors) {
11715 SendToProgram("black\n", &first); /*gnu kludge*/
11717 SendTimeRemaining(&first, TRUE);
11719 if (first.useColors) {
11720 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11722 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11723 SetMachineThinkingEnables();
11724 first.maybeThinking = TRUE;
11728 if (appData.autoFlipView && !flipView) {
11729 flipView = !flipView;
11730 DrawPosition(FALSE, NULL);
11731 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11734 if(bookHit) { // [HGM] book: simulate book reply
11735 static char bookMove[MSG_SIZ]; // a bit generous?
11737 programStats.nodes = programStats.depth = programStats.time =
11738 programStats.score = programStats.got_only_move = 0;
11739 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11741 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11742 strcat(bookMove, bookHit);
11743 HandleMachineMove(bookMove, &first);
11748 MachineBlackEvent()
11751 char *bookHit = NULL;
11753 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11757 if (gameMode == PlayFromGameFile ||
11758 gameMode == TwoMachinesPlay ||
11759 gameMode == Training ||
11760 gameMode == AnalyzeMode ||
11761 gameMode == EndOfGame)
11764 if (gameMode == EditPosition)
11765 EditPositionDone(TRUE);
11767 if (WhiteOnMove(currentMove)) {
11768 DisplayError(_("It is not Black's turn"), 0);
11772 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11775 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11776 gameMode == AnalyzeFile)
11779 ResurrectChessProgram(); /* in case it isn't running */
11780 gameMode = MachinePlaysBlack;
11784 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11786 if (first.sendName) {
11787 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11788 SendToProgram(buf, &first);
11790 if (first.sendTime) {
11791 if (first.useColors) {
11792 SendToProgram("white\n", &first); /*gnu kludge*/
11794 SendTimeRemaining(&first, FALSE);
11796 if (first.useColors) {
11797 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11799 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11800 SetMachineThinkingEnables();
11801 first.maybeThinking = TRUE;
11804 if (appData.autoFlipView && flipView) {
11805 flipView = !flipView;
11806 DrawPosition(FALSE, NULL);
11807 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11809 if(bookHit) { // [HGM] book: simulate book reply
11810 static char bookMove[MSG_SIZ]; // a bit generous?
11812 programStats.nodes = programStats.depth = programStats.time =
11813 programStats.score = programStats.got_only_move = 0;
11814 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11816 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11817 strcat(bookMove, bookHit);
11818 HandleMachineMove(bookMove, &first);
11824 DisplayTwoMachinesTitle()
11827 if (appData.matchGames > 0) {
11828 if (first.twoMachinesColor[0] == 'w') {
11829 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11830 gameInfo.white, gameInfo.black,
11831 first.matchWins, second.matchWins,
11832 matchGame - 1 - (first.matchWins + second.matchWins));
11834 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11835 gameInfo.white, gameInfo.black,
11836 second.matchWins, first.matchWins,
11837 matchGame - 1 - (first.matchWins + second.matchWins));
11840 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11846 TwoMachinesEvent P((void))
11850 ChessProgramState *onmove;
11851 char *bookHit = NULL;
11853 if (appData.noChessProgram) return;
11855 switch (gameMode) {
11856 case TwoMachinesPlay:
11858 case MachinePlaysWhite:
11859 case MachinePlaysBlack:
11860 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11861 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11865 case BeginningOfGame:
11866 case PlayFromGameFile:
11869 if (gameMode != EditGame) return;
11872 EditPositionDone(TRUE);
11883 // forwardMostMove = currentMove;
11884 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11885 ResurrectChessProgram(); /* in case first program isn't running */
11887 if (second.pr == NULL) {
11888 StartChessProgram(&second);
11889 if (second.protocolVersion == 1) {
11890 TwoMachinesEventIfReady();
11892 /* kludge: allow timeout for initial "feature" command */
11894 DisplayMessage("", _("Starting second chess program"));
11895 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11899 DisplayMessage("", "");
11900 InitChessProgram(&second, FALSE);
11901 SendToProgram("force\n", &second);
11902 if (startedFromSetupPosition) {
11903 SendBoard(&second, backwardMostMove);
11904 if (appData.debugMode) {
11905 fprintf(debugFP, "Two Machines\n");
11908 for (i = backwardMostMove; i < forwardMostMove; i++) {
11909 SendMoveToProgram(i, &second);
11912 gameMode = TwoMachinesPlay;
11916 DisplayTwoMachinesTitle();
11918 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11924 SendToProgram(first.computerString, &first);
11925 if (first.sendName) {
11926 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11927 SendToProgram(buf, &first);
11929 SendToProgram(second.computerString, &second);
11930 if (second.sendName) {
11931 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11932 SendToProgram(buf, &second);
11936 if (!first.sendTime || !second.sendTime) {
11937 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11938 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11940 if (onmove->sendTime) {
11941 if (onmove->useColors) {
11942 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11944 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11946 if (onmove->useColors) {
11947 SendToProgram(onmove->twoMachinesColor, onmove);
11949 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11950 // SendToProgram("go\n", onmove);
11951 onmove->maybeThinking = TRUE;
11952 SetMachineThinkingEnables();
11956 if(bookHit) { // [HGM] book: simulate book reply
11957 static char bookMove[MSG_SIZ]; // a bit generous?
11959 programStats.nodes = programStats.depth = programStats.time =
11960 programStats.score = programStats.got_only_move = 0;
11961 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11963 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11964 strcat(bookMove, bookHit);
11965 savedMessage = bookMove; // args for deferred call
11966 savedState = onmove;
11967 ScheduleDelayedEvent(DeferredBookMove, 1);
11974 if (gameMode == Training) {
11975 SetTrainingModeOff();
11976 gameMode = PlayFromGameFile;
11977 DisplayMessage("", _("Training mode off"));
11979 gameMode = Training;
11980 animateTraining = appData.animate;
11982 /* make sure we are not already at the end of the game */
11983 if (currentMove < forwardMostMove) {
11984 SetTrainingModeOn();
11985 DisplayMessage("", _("Training mode on"));
11987 gameMode = PlayFromGameFile;
11988 DisplayError(_("Already at end of game"), 0);
11997 if (!appData.icsActive) return;
11998 switch (gameMode) {
11999 case IcsPlayingWhite:
12000 case IcsPlayingBlack:
12003 case BeginningOfGame:
12011 EditPositionDone(TRUE);
12024 gameMode = IcsIdle;
12035 switch (gameMode) {
12037 SetTrainingModeOff();
12039 case MachinePlaysWhite:
12040 case MachinePlaysBlack:
12041 case BeginningOfGame:
12042 SendToProgram("force\n", &first);
12043 SetUserThinkingEnables();
12045 case PlayFromGameFile:
12046 (void) StopLoadGameTimer();
12047 if (gameFileFP != NULL) {
12052 EditPositionDone(TRUE);
12057 SendToProgram("force\n", &first);
12059 case TwoMachinesPlay:
12060 GameEnds(EndOfFile, NULL, GE_PLAYER);
12061 ResurrectChessProgram();
12062 SetUserThinkingEnables();
12065 ResurrectChessProgram();
12067 case IcsPlayingBlack:
12068 case IcsPlayingWhite:
12069 DisplayError(_("Warning: You are still playing a game"), 0);
12072 DisplayError(_("Warning: You are still observing a game"), 0);
12075 DisplayError(_("Warning: You are still examining a game"), 0);
12086 first.offeredDraw = second.offeredDraw = 0;
12088 if (gameMode == PlayFromGameFile) {
12089 whiteTimeRemaining = timeRemaining[0][currentMove];
12090 blackTimeRemaining = timeRemaining[1][currentMove];
12094 if (gameMode == MachinePlaysWhite ||
12095 gameMode == MachinePlaysBlack ||
12096 gameMode == TwoMachinesPlay ||
12097 gameMode == EndOfGame) {
12098 i = forwardMostMove;
12099 while (i > currentMove) {
12100 SendToProgram("undo\n", &first);
12103 whiteTimeRemaining = timeRemaining[0][currentMove];
12104 blackTimeRemaining = timeRemaining[1][currentMove];
12105 DisplayBothClocks();
12106 if (whiteFlag || blackFlag) {
12107 whiteFlag = blackFlag = 0;
12112 gameMode = EditGame;
12119 EditPositionEvent()
12121 if (gameMode == EditPosition) {
12127 if (gameMode != EditGame) return;
12129 gameMode = EditPosition;
12132 if (currentMove > 0)
12133 CopyBoard(boards[0], boards[currentMove]);
12135 blackPlaysFirst = !WhiteOnMove(currentMove);
12137 currentMove = forwardMostMove = backwardMostMove = 0;
12138 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12145 /* [DM] icsEngineAnalyze - possible call from other functions */
12146 if (appData.icsEngineAnalyze) {
12147 appData.icsEngineAnalyze = FALSE;
12149 DisplayMessage("",_("Close ICS engine analyze..."));
12151 if (first.analysisSupport && first.analyzing) {
12152 SendToProgram("exit\n", &first);
12153 first.analyzing = FALSE;
12155 thinkOutput[0] = NULLCHAR;
12159 EditPositionDone(Boolean fakeRights)
12161 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12163 startedFromSetupPosition = TRUE;
12164 InitChessProgram(&first, FALSE);
12165 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12166 boards[0][EP_STATUS] = EP_NONE;
12167 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12168 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12169 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12170 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12171 } else boards[0][CASTLING][2] = NoRights;
12172 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12173 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12174 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12175 } else boards[0][CASTLING][5] = NoRights;
12177 SendToProgram("force\n", &first);
12178 if (blackPlaysFirst) {
12179 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12180 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12181 currentMove = forwardMostMove = backwardMostMove = 1;
12182 CopyBoard(boards[1], boards[0]);
12184 currentMove = forwardMostMove = backwardMostMove = 0;
12186 SendBoard(&first, forwardMostMove);
12187 if (appData.debugMode) {
12188 fprintf(debugFP, "EditPosDone\n");
12191 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12192 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12193 gameMode = EditGame;
12195 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12196 ClearHighlights(); /* [AS] */
12199 /* Pause for `ms' milliseconds */
12200 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12210 } while (SubtractTimeMarks(&m2, &m1) < ms);
12213 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12215 SendMultiLineToICS(buf)
12218 char temp[MSG_SIZ+1], *p;
12225 strncpy(temp, buf, len);
12230 if (*p == '\n' || *p == '\r')
12235 strcat(temp, "\n");
12237 SendToPlayer(temp, strlen(temp));
12241 SetWhiteToPlayEvent()
12243 if (gameMode == EditPosition) {
12244 blackPlaysFirst = FALSE;
12245 DisplayBothClocks(); /* works because currentMove is 0 */
12246 } else if (gameMode == IcsExamining) {
12247 SendToICS(ics_prefix);
12248 SendToICS("tomove white\n");
12253 SetBlackToPlayEvent()
12255 if (gameMode == EditPosition) {
12256 blackPlaysFirst = TRUE;
12257 currentMove = 1; /* kludge */
12258 DisplayBothClocks();
12260 } else if (gameMode == IcsExamining) {
12261 SendToICS(ics_prefix);
12262 SendToICS("tomove black\n");
12267 EditPositionMenuEvent(selection, x, y)
12268 ChessSquare selection;
12272 ChessSquare piece = boards[0][y][x];
12274 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12276 switch (selection) {
12278 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12279 SendToICS(ics_prefix);
12280 SendToICS("bsetup clear\n");
12281 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12282 SendToICS(ics_prefix);
12283 SendToICS("clearboard\n");
12285 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12286 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12287 for (y = 0; y < BOARD_HEIGHT; y++) {
12288 if (gameMode == IcsExamining) {
12289 if (boards[currentMove][y][x] != EmptySquare) {
12290 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12295 boards[0][y][x] = p;
12300 if (gameMode == EditPosition) {
12301 DrawPosition(FALSE, boards[0]);
12306 SetWhiteToPlayEvent();
12310 SetBlackToPlayEvent();
12314 if (gameMode == IcsExamining) {
12315 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12316 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12319 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12320 if(x == BOARD_LEFT-2) {
12321 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12322 boards[0][y][1] = 0;
12324 if(x == BOARD_RGHT+1) {
12325 if(y >= gameInfo.holdingsSize) break;
12326 boards[0][y][BOARD_WIDTH-2] = 0;
12329 boards[0][y][x] = EmptySquare;
12330 DrawPosition(FALSE, boards[0]);
12335 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12336 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12337 selection = (ChessSquare) (PROMOTED piece);
12338 } else if(piece == EmptySquare) selection = WhiteSilver;
12339 else selection = (ChessSquare)((int)piece - 1);
12343 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12344 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12345 selection = (ChessSquare) (DEMOTED piece);
12346 } else if(piece == EmptySquare) selection = BlackSilver;
12347 else selection = (ChessSquare)((int)piece + 1);
12352 if(gameInfo.variant == VariantShatranj ||
12353 gameInfo.variant == VariantXiangqi ||
12354 gameInfo.variant == VariantCourier ||
12355 gameInfo.variant == VariantMakruk )
12356 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12361 if(gameInfo.variant == VariantXiangqi)
12362 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12363 if(gameInfo.variant == VariantKnightmate)
12364 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12367 if (gameMode == IcsExamining) {
12368 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12369 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12370 PieceToChar(selection), AAA + x, ONE + y);
12373 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12375 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12376 n = PieceToNumber(selection - BlackPawn);
12377 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12378 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12379 boards[0][BOARD_HEIGHT-1-n][1]++;
12381 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12382 n = PieceToNumber(selection);
12383 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12384 boards[0][n][BOARD_WIDTH-1] = selection;
12385 boards[0][n][BOARD_WIDTH-2]++;
12388 boards[0][y][x] = selection;
12389 DrawPosition(TRUE, boards[0]);
12397 DropMenuEvent(selection, x, y)
12398 ChessSquare selection;
12401 ChessMove moveType;
12403 switch (gameMode) {
12404 case IcsPlayingWhite:
12405 case MachinePlaysBlack:
12406 if (!WhiteOnMove(currentMove)) {
12407 DisplayMoveError(_("It is Black's turn"));
12410 moveType = WhiteDrop;
12412 case IcsPlayingBlack:
12413 case MachinePlaysWhite:
12414 if (WhiteOnMove(currentMove)) {
12415 DisplayMoveError(_("It is White's turn"));
12418 moveType = BlackDrop;
12421 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12427 if (moveType == BlackDrop && selection < BlackPawn) {
12428 selection = (ChessSquare) ((int) selection
12429 + (int) BlackPawn - (int) WhitePawn);
12431 if (boards[currentMove][y][x] != EmptySquare) {
12432 DisplayMoveError(_("That square is occupied"));
12436 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12442 /* Accept a pending offer of any kind from opponent */
12444 if (appData.icsActive) {
12445 SendToICS(ics_prefix);
12446 SendToICS("accept\n");
12447 } else if (cmailMsgLoaded) {
12448 if (currentMove == cmailOldMove &&
12449 commentList[cmailOldMove] != NULL &&
12450 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12451 "Black offers a draw" : "White offers a draw")) {
12453 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12454 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12456 DisplayError(_("There is no pending offer on this move"), 0);
12457 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12460 /* Not used for offers from chess program */
12467 /* Decline a pending offer of any kind from opponent */
12469 if (appData.icsActive) {
12470 SendToICS(ics_prefix);
12471 SendToICS("decline\n");
12472 } else if (cmailMsgLoaded) {
12473 if (currentMove == cmailOldMove &&
12474 commentList[cmailOldMove] != NULL &&
12475 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12476 "Black offers a draw" : "White offers a draw")) {
12478 AppendComment(cmailOldMove, "Draw declined", TRUE);
12479 DisplayComment(cmailOldMove - 1, "Draw declined");
12482 DisplayError(_("There is no pending offer on this move"), 0);
12485 /* Not used for offers from chess program */
12492 /* Issue ICS rematch command */
12493 if (appData.icsActive) {
12494 SendToICS(ics_prefix);
12495 SendToICS("rematch\n");
12502 /* Call your opponent's flag (claim a win on time) */
12503 if (appData.icsActive) {
12504 SendToICS(ics_prefix);
12505 SendToICS("flag\n");
12507 switch (gameMode) {
12510 case MachinePlaysWhite:
12513 GameEnds(GameIsDrawn, "Both players ran out of time",
12516 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12518 DisplayError(_("Your opponent is not out of time"), 0);
12521 case MachinePlaysBlack:
12524 GameEnds(GameIsDrawn, "Both players ran out of time",
12527 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12529 DisplayError(_("Your opponent is not out of time"), 0);
12539 /* Offer draw or accept pending draw offer from opponent */
12541 if (appData.icsActive) {
12542 /* Note: tournament rules require draw offers to be
12543 made after you make your move but before you punch
12544 your clock. Currently ICS doesn't let you do that;
12545 instead, you immediately punch your clock after making
12546 a move, but you can offer a draw at any time. */
12548 SendToICS(ics_prefix);
12549 SendToICS("draw\n");
12550 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12551 } else if (cmailMsgLoaded) {
12552 if (currentMove == cmailOldMove &&
12553 commentList[cmailOldMove] != NULL &&
12554 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12555 "Black offers a draw" : "White offers a draw")) {
12556 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12557 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12558 } else if (currentMove == cmailOldMove + 1) {
12559 char *offer = WhiteOnMove(cmailOldMove) ?
12560 "White offers a draw" : "Black offers a draw";
12561 AppendComment(currentMove, offer, TRUE);
12562 DisplayComment(currentMove - 1, offer);
12563 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12565 DisplayError(_("You must make your move before offering a draw"), 0);
12566 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12568 } else if (first.offeredDraw) {
12569 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12571 if (first.sendDrawOffers) {
12572 SendToProgram("draw\n", &first);
12573 userOfferedDraw = TRUE;
12581 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12583 if (appData.icsActive) {
12584 SendToICS(ics_prefix);
12585 SendToICS("adjourn\n");
12587 /* Currently GNU Chess doesn't offer or accept Adjourns */
12595 /* Offer Abort or accept pending Abort offer from opponent */
12597 if (appData.icsActive) {
12598 SendToICS(ics_prefix);
12599 SendToICS("abort\n");
12601 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12608 /* Resign. You can do this even if it's not your turn. */
12610 if (appData.icsActive) {
12611 SendToICS(ics_prefix);
12612 SendToICS("resign\n");
12614 switch (gameMode) {
12615 case MachinePlaysWhite:
12616 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12618 case MachinePlaysBlack:
12619 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12622 if (cmailMsgLoaded) {
12624 if (WhiteOnMove(cmailOldMove)) {
12625 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12627 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12629 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12640 StopObservingEvent()
12642 /* Stop observing current games */
12643 SendToICS(ics_prefix);
12644 SendToICS("unobserve\n");
12648 StopExaminingEvent()
12650 /* Stop observing current game */
12651 SendToICS(ics_prefix);
12652 SendToICS("unexamine\n");
12656 ForwardInner(target)
12661 if (appData.debugMode)
12662 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12663 target, currentMove, forwardMostMove);
12665 if (gameMode == EditPosition)
12668 if (gameMode == PlayFromGameFile && !pausing)
12671 if (gameMode == IcsExamining && pausing)
12672 limit = pauseExamForwardMostMove;
12674 limit = forwardMostMove;
12676 if (target > limit) target = limit;
12678 if (target > 0 && moveList[target - 1][0]) {
12679 int fromX, fromY, toX, toY;
12680 toX = moveList[target - 1][2] - AAA;
12681 toY = moveList[target - 1][3] - ONE;
12682 if (moveList[target - 1][1] == '@') {
12683 if (appData.highlightLastMove) {
12684 SetHighlights(-1, -1, toX, toY);
12687 fromX = moveList[target - 1][0] - AAA;
12688 fromY = moveList[target - 1][1] - ONE;
12689 if (target == currentMove + 1) {
12690 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12692 if (appData.highlightLastMove) {
12693 SetHighlights(fromX, fromY, toX, toY);
12697 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12698 gameMode == Training || gameMode == PlayFromGameFile ||
12699 gameMode == AnalyzeFile) {
12700 while (currentMove < target) {
12701 SendMoveToProgram(currentMove++, &first);
12704 currentMove = target;
12707 if (gameMode == EditGame || gameMode == EndOfGame) {
12708 whiteTimeRemaining = timeRemaining[0][currentMove];
12709 blackTimeRemaining = timeRemaining[1][currentMove];
12711 DisplayBothClocks();
12712 DisplayMove(currentMove - 1);
12713 DrawPosition(FALSE, boards[currentMove]);
12714 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12715 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12716 DisplayComment(currentMove - 1, commentList[currentMove]);
12724 if (gameMode == IcsExamining && !pausing) {
12725 SendToICS(ics_prefix);
12726 SendToICS("forward\n");
12728 ForwardInner(currentMove + 1);
12735 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12736 /* to optimze, we temporarily turn off analysis mode while we feed
12737 * the remaining moves to the engine. Otherwise we get analysis output
12740 if (first.analysisSupport) {
12741 SendToProgram("exit\nforce\n", &first);
12742 first.analyzing = FALSE;
12746 if (gameMode == IcsExamining && !pausing) {
12747 SendToICS(ics_prefix);
12748 SendToICS("forward 999999\n");
12750 ForwardInner(forwardMostMove);
12753 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12754 /* we have fed all the moves, so reactivate analysis mode */
12755 SendToProgram("analyze\n", &first);
12756 first.analyzing = TRUE;
12757 /*first.maybeThinking = TRUE;*/
12758 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12763 BackwardInner(target)
12766 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12768 if (appData.debugMode)
12769 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12770 target, currentMove, forwardMostMove);
12772 if (gameMode == EditPosition) return;
12773 if (currentMove <= backwardMostMove) {
12775 DrawPosition(full_redraw, boards[currentMove]);
12778 if (gameMode == PlayFromGameFile && !pausing)
12781 if (moveList[target][0]) {
12782 int fromX, fromY, toX, toY;
12783 toX = moveList[target][2] - AAA;
12784 toY = moveList[target][3] - ONE;
12785 if (moveList[target][1] == '@') {
12786 if (appData.highlightLastMove) {
12787 SetHighlights(-1, -1, toX, toY);
12790 fromX = moveList[target][0] - AAA;
12791 fromY = moveList[target][1] - ONE;
12792 if (target == currentMove - 1) {
12793 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12795 if (appData.highlightLastMove) {
12796 SetHighlights(fromX, fromY, toX, toY);
12800 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12801 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12802 while (currentMove > target) {
12803 SendToProgram("undo\n", &first);
12807 currentMove = target;
12810 if (gameMode == EditGame || gameMode == EndOfGame) {
12811 whiteTimeRemaining = timeRemaining[0][currentMove];
12812 blackTimeRemaining = timeRemaining[1][currentMove];
12814 DisplayBothClocks();
12815 DisplayMove(currentMove - 1);
12816 DrawPosition(full_redraw, boards[currentMove]);
12817 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12818 // [HGM] PV info: routine tests if comment empty
12819 DisplayComment(currentMove - 1, commentList[currentMove]);
12825 if (gameMode == IcsExamining && !pausing) {
12826 SendToICS(ics_prefix);
12827 SendToICS("backward\n");
12829 BackwardInner(currentMove - 1);
12836 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12837 /* to optimize, we temporarily turn off analysis mode while we undo
12838 * all the moves. Otherwise we get analysis output after each undo.
12840 if (first.analysisSupport) {
12841 SendToProgram("exit\nforce\n", &first);
12842 first.analyzing = FALSE;
12846 if (gameMode == IcsExamining && !pausing) {
12847 SendToICS(ics_prefix);
12848 SendToICS("backward 999999\n");
12850 BackwardInner(backwardMostMove);
12853 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12854 /* we have fed all the moves, so reactivate analysis mode */
12855 SendToProgram("analyze\n", &first);
12856 first.analyzing = TRUE;
12857 /*first.maybeThinking = TRUE;*/
12858 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12865 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12866 if (to >= forwardMostMove) to = forwardMostMove;
12867 if (to <= backwardMostMove) to = backwardMostMove;
12868 if (to < currentMove) {
12876 RevertEvent(Boolean annotate)
12878 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12881 if (gameMode != IcsExamining) {
12882 DisplayError(_("You are not examining a game"), 0);
12886 DisplayError(_("You can't revert while pausing"), 0);
12889 SendToICS(ics_prefix);
12890 SendToICS("revert\n");
12896 switch (gameMode) {
12897 case MachinePlaysWhite:
12898 case MachinePlaysBlack:
12899 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12900 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12903 if (forwardMostMove < 2) return;
12904 currentMove = forwardMostMove = forwardMostMove - 2;
12905 whiteTimeRemaining = timeRemaining[0][currentMove];
12906 blackTimeRemaining = timeRemaining[1][currentMove];
12907 DisplayBothClocks();
12908 DisplayMove(currentMove - 1);
12909 ClearHighlights();/*!! could figure this out*/
12910 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12911 SendToProgram("remove\n", &first);
12912 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12915 case BeginningOfGame:
12919 case IcsPlayingWhite:
12920 case IcsPlayingBlack:
12921 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12922 SendToICS(ics_prefix);
12923 SendToICS("takeback 2\n");
12925 SendToICS(ics_prefix);
12926 SendToICS("takeback 1\n");
12935 ChessProgramState *cps;
12937 switch (gameMode) {
12938 case MachinePlaysWhite:
12939 if (!WhiteOnMove(forwardMostMove)) {
12940 DisplayError(_("It is your turn"), 0);
12945 case MachinePlaysBlack:
12946 if (WhiteOnMove(forwardMostMove)) {
12947 DisplayError(_("It is your turn"), 0);
12952 case TwoMachinesPlay:
12953 if (WhiteOnMove(forwardMostMove) ==
12954 (first.twoMachinesColor[0] == 'w')) {
12960 case BeginningOfGame:
12964 SendToProgram("?\n", cps);
12968 TruncateGameEvent()
12971 if (gameMode != EditGame) return;
12978 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12979 if (forwardMostMove > currentMove) {
12980 if (gameInfo.resultDetails != NULL) {
12981 free(gameInfo.resultDetails);
12982 gameInfo.resultDetails = NULL;
12983 gameInfo.result = GameUnfinished;
12985 forwardMostMove = currentMove;
12986 HistorySet(parseList, backwardMostMove, forwardMostMove,
12994 if (appData.noChessProgram) return;
12995 switch (gameMode) {
12996 case MachinePlaysWhite:
12997 if (WhiteOnMove(forwardMostMove)) {
12998 DisplayError(_("Wait until your turn"), 0);
13002 case BeginningOfGame:
13003 case MachinePlaysBlack:
13004 if (!WhiteOnMove(forwardMostMove)) {
13005 DisplayError(_("Wait until your turn"), 0);
13010 DisplayError(_("No hint available"), 0);
13013 SendToProgram("hint\n", &first);
13014 hintRequested = TRUE;
13020 if (appData.noChessProgram) return;
13021 switch (gameMode) {
13022 case MachinePlaysWhite:
13023 if (WhiteOnMove(forwardMostMove)) {
13024 DisplayError(_("Wait until your turn"), 0);
13028 case BeginningOfGame:
13029 case MachinePlaysBlack:
13030 if (!WhiteOnMove(forwardMostMove)) {
13031 DisplayError(_("Wait until your turn"), 0);
13036 EditPositionDone(TRUE);
13038 case TwoMachinesPlay:
13043 SendToProgram("bk\n", &first);
13044 bookOutput[0] = NULLCHAR;
13045 bookRequested = TRUE;
13051 char *tags = PGNTags(&gameInfo);
13052 TagsPopUp(tags, CmailMsg());
13056 /* end button procedures */
13059 PrintPosition(fp, move)
13065 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13066 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13067 char c = PieceToChar(boards[move][i][j]);
13068 fputc(c == 'x' ? '.' : c, fp);
13069 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13072 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13073 fprintf(fp, "white to play\n");
13075 fprintf(fp, "black to play\n");
13082 if (gameInfo.white != NULL) {
13083 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13089 /* Find last component of program's own name, using some heuristics */
13091 TidyProgramName(prog, host, buf)
13092 char *prog, *host, buf[MSG_SIZ];
13095 int local = (strcmp(host, "localhost") == 0);
13096 while (!local && (p = strchr(prog, ';')) != NULL) {
13098 while (*p == ' ') p++;
13101 if (*prog == '"' || *prog == '\'') {
13102 q = strchr(prog + 1, *prog);
13104 q = strchr(prog, ' ');
13106 if (q == NULL) q = prog + strlen(prog);
13108 while (p >= prog && *p != '/' && *p != '\\') p--;
13110 if(p == prog && *p == '"') p++;
13111 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13112 memcpy(buf, p, q - p);
13113 buf[q - p] = NULLCHAR;
13121 TimeControlTagValue()
13124 if (!appData.clockMode) {
13125 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13126 } else if (movesPerSession > 0) {
13127 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13128 } else if (timeIncrement == 0) {
13129 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13131 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13133 return StrSave(buf);
13139 /* This routine is used only for certain modes */
13140 VariantClass v = gameInfo.variant;
13141 ChessMove r = GameUnfinished;
13144 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13145 r = gameInfo.result;
13146 p = gameInfo.resultDetails;
13147 gameInfo.resultDetails = NULL;
13149 ClearGameInfo(&gameInfo);
13150 gameInfo.variant = v;
13152 switch (gameMode) {
13153 case MachinePlaysWhite:
13154 gameInfo.event = StrSave( appData.pgnEventHeader );
13155 gameInfo.site = StrSave(HostName());
13156 gameInfo.date = PGNDate();
13157 gameInfo.round = StrSave("-");
13158 gameInfo.white = StrSave(first.tidy);
13159 gameInfo.black = StrSave(UserName());
13160 gameInfo.timeControl = TimeControlTagValue();
13163 case MachinePlaysBlack:
13164 gameInfo.event = StrSave( appData.pgnEventHeader );
13165 gameInfo.site = StrSave(HostName());
13166 gameInfo.date = PGNDate();
13167 gameInfo.round = StrSave("-");
13168 gameInfo.white = StrSave(UserName());
13169 gameInfo.black = StrSave(first.tidy);
13170 gameInfo.timeControl = TimeControlTagValue();
13173 case TwoMachinesPlay:
13174 gameInfo.event = StrSave( appData.pgnEventHeader );
13175 gameInfo.site = StrSave(HostName());
13176 gameInfo.date = PGNDate();
13177 if (matchGame > 0) {
13179 snprintf(buf, MSG_SIZ, "%d", matchGame);
13180 gameInfo.round = StrSave(buf);
13182 gameInfo.round = StrSave("-");
13184 if (first.twoMachinesColor[0] == 'w') {
13185 gameInfo.white = StrSave(first.tidy);
13186 gameInfo.black = StrSave(second.tidy);
13188 gameInfo.white = StrSave(second.tidy);
13189 gameInfo.black = StrSave(first.tidy);
13191 gameInfo.timeControl = TimeControlTagValue();
13195 gameInfo.event = StrSave("Edited game");
13196 gameInfo.site = StrSave(HostName());
13197 gameInfo.date = PGNDate();
13198 gameInfo.round = StrSave("-");
13199 gameInfo.white = StrSave("-");
13200 gameInfo.black = StrSave("-");
13201 gameInfo.result = r;
13202 gameInfo.resultDetails = p;
13206 gameInfo.event = StrSave("Edited position");
13207 gameInfo.site = StrSave(HostName());
13208 gameInfo.date = PGNDate();
13209 gameInfo.round = StrSave("-");
13210 gameInfo.white = StrSave("-");
13211 gameInfo.black = StrSave("-");
13214 case IcsPlayingWhite:
13215 case IcsPlayingBlack:
13220 case PlayFromGameFile:
13221 gameInfo.event = StrSave("Game from non-PGN file");
13222 gameInfo.site = StrSave(HostName());
13223 gameInfo.date = PGNDate();
13224 gameInfo.round = StrSave("-");
13225 gameInfo.white = StrSave("?");
13226 gameInfo.black = StrSave("?");
13235 ReplaceComment(index, text)
13241 while (*text == '\n') text++;
13242 len = strlen(text);
13243 while (len > 0 && text[len - 1] == '\n') len--;
13245 if (commentList[index] != NULL)
13246 free(commentList[index]);
13249 commentList[index] = NULL;
13252 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13253 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13254 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13255 commentList[index] = (char *) malloc(len + 2);
13256 strncpy(commentList[index], text, len);
13257 commentList[index][len] = '\n';
13258 commentList[index][len + 1] = NULLCHAR;
13260 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13262 commentList[index] = (char *) malloc(len + 7);
13263 safeStrCpy(commentList[index], "{\n", 3);
13264 safeStrCpy(commentList[index]+2, text, len+1);
13265 commentList[index][len+2] = NULLCHAR;
13266 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13267 strcat(commentList[index], "\n}\n");
13281 if (ch == '\r') continue;
13283 } while (ch != '\0');
13287 AppendComment(index, text, addBraces)
13290 Boolean addBraces; // [HGM] braces: tells if we should add {}
13295 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13296 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13299 while (*text == '\n') text++;
13300 len = strlen(text);
13301 while (len > 0 && text[len - 1] == '\n') len--;
13303 if (len == 0) return;
13305 if (commentList[index] != NULL) {
13306 old = commentList[index];
13307 oldlen = strlen(old);
13308 while(commentList[index][oldlen-1] == '\n')
13309 commentList[index][--oldlen] = NULLCHAR;
13310 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13311 safeStrCpy(commentList[index], old, oldlen);
13313 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13314 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13315 if(addBraces) addBraces = FALSE; else { text++; len--; }
13316 while (*text == '\n') { text++; len--; }
13317 commentList[index][--oldlen] = NULLCHAR;
13319 if(addBraces) strcat(commentList[index], "\n{\n");
13320 else strcat(commentList[index], "\n");
13321 strcat(commentList[index], text);
13322 if(addBraces) strcat(commentList[index], "\n}\n");
13323 else strcat(commentList[index], "\n");
13325 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13327 safeStrCpy(commentList[index], "{\n", 3);
13328 else commentList[index][0] = NULLCHAR;
13329 strcat(commentList[index], text);
13330 strcat(commentList[index], "\n");
13331 if(addBraces) strcat(commentList[index], "}\n");
13335 static char * FindStr( char * text, char * sub_text )
13337 char * result = strstr( text, sub_text );
13339 if( result != NULL ) {
13340 result += strlen( sub_text );
13346 /* [AS] Try to extract PV info from PGN comment */
13347 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13348 char *GetInfoFromComment( int index, char * text )
13352 if( text != NULL && index > 0 ) {
13355 int time = -1, sec = 0, deci;
13356 char * s_eval = FindStr( text, "[%eval " );
13357 char * s_emt = FindStr( text, "[%emt " );
13359 if( s_eval != NULL || s_emt != NULL ) {
13363 if( s_eval != NULL ) {
13364 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13368 if( delim != ']' ) {
13373 if( s_emt != NULL ) {
13378 /* We expect something like: [+|-]nnn.nn/dd */
13381 if(*text != '{') return text; // [HGM] braces: must be normal comment
13383 sep = strchr( text, '/' );
13384 if( sep == NULL || sep < (text+4) ) {
13388 time = -1; sec = -1; deci = -1;
13389 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13390 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13391 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13392 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13396 if( score_lo < 0 || score_lo >= 100 ) {
13400 if(sec >= 0) time = 600*time + 10*sec; else
13401 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13403 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13405 /* [HGM] PV time: now locate end of PV info */
13406 while( *++sep >= '0' && *sep <= '9'); // strip depth
13408 while( *++sep >= '0' && *sep <= '9'); // strip time
13410 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13412 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13413 while(*sep == ' ') sep++;
13424 pvInfoList[index-1].depth = depth;
13425 pvInfoList[index-1].score = score;
13426 pvInfoList[index-1].time = 10*time; // centi-sec
13427 if(*sep == '}') *sep = 0; else *--sep = '{';
13433 SendToProgram(message, cps)
13435 ChessProgramState *cps;
13437 int count, outCount, error;
13440 if (cps->pr == NULL) return;
13443 if (appData.debugMode) {
13446 fprintf(debugFP, "%ld >%-6s: %s",
13447 SubtractTimeMarks(&now, &programStartTime),
13448 cps->which, message);
13451 count = strlen(message);
13452 outCount = OutputToProcess(cps->pr, message, count, &error);
13453 if (outCount < count && !exiting
13454 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13455 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13456 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13457 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13458 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13459 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13461 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13463 gameInfo.resultDetails = StrSave(buf);
13465 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13470 ReceiveFromProgram(isr, closure, message, count, error)
13471 InputSourceRef isr;
13479 ChessProgramState *cps = (ChessProgramState *)closure;
13481 if (isr != cps->isr) return; /* Killed intentionally */
13484 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13485 cps->which, cps->program);
13486 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13487 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13488 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13489 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13491 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13493 gameInfo.resultDetails = StrSave(buf);
13495 RemoveInputSource(cps->isr);
13496 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13498 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13499 cps->which, cps->program);
13500 RemoveInputSource(cps->isr);
13502 /* [AS] Program is misbehaving badly... kill it */
13503 if( count == -2 ) {
13504 DestroyChildProcess( cps->pr, 9 );
13508 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13513 if ((end_str = strchr(message, '\r')) != NULL)
13514 *end_str = NULLCHAR;
13515 if ((end_str = strchr(message, '\n')) != NULL)
13516 *end_str = NULLCHAR;
13518 if (appData.debugMode) {
13519 TimeMark now; int print = 1;
13520 char *quote = ""; char c; int i;
13522 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13523 char start = message[0];
13524 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13525 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13526 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13527 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13528 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13529 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13530 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13531 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13532 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13533 print = (appData.engineComments >= 2);
13535 message[0] = start; // restore original message
13539 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13540 SubtractTimeMarks(&now, &programStartTime), cps->which,
13546 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13547 if (appData.icsEngineAnalyze) {
13548 if (strstr(message, "whisper") != NULL ||
13549 strstr(message, "kibitz") != NULL ||
13550 strstr(message, "tellics") != NULL) return;
13553 HandleMachineMove(message, cps);
13558 SendTimeControl(cps, mps, tc, inc, sd, st)
13559 ChessProgramState *cps;
13560 int mps, inc, sd, st;
13566 if( timeControl_2 > 0 ) {
13567 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13568 tc = timeControl_2;
13571 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13572 inc /= cps->timeOdds;
13573 st /= cps->timeOdds;
13575 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13578 /* Set exact time per move, normally using st command */
13579 if (cps->stKludge) {
13580 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13582 if (seconds == 0) {
13583 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13585 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13588 snprintf(buf, MSG_SIZ, "st %d\n", st);
13591 /* Set conventional or incremental time control, using level command */
13592 if (seconds == 0) {
13593 /* Note old gnuchess bug -- minutes:seconds used to not work.
13594 Fixed in later versions, but still avoid :seconds
13595 when seconds is 0. */
13596 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13598 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13599 seconds, inc/1000.);
13602 SendToProgram(buf, cps);
13604 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13605 /* Orthogonally, limit search to given depth */
13607 if (cps->sdKludge) {
13608 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13610 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13612 SendToProgram(buf, cps);
13615 if(cps->nps > 0) { /* [HGM] nps */
13616 if(cps->supportsNPS == FALSE)
13617 cps->nps = -1; // don't use if engine explicitly says not supported!
13619 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13620 SendToProgram(buf, cps);
13625 ChessProgramState *WhitePlayer()
13626 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13628 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13629 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13635 SendTimeRemaining(cps, machineWhite)
13636 ChessProgramState *cps;
13637 int /*boolean*/ machineWhite;
13639 char message[MSG_SIZ];
13642 /* Note: this routine must be called when the clocks are stopped
13643 or when they have *just* been set or switched; otherwise
13644 it will be off by the time since the current tick started.
13646 if (machineWhite) {
13647 time = whiteTimeRemaining / 10;
13648 otime = blackTimeRemaining / 10;
13650 time = blackTimeRemaining / 10;
13651 otime = whiteTimeRemaining / 10;
13653 /* [HGM] translate opponent's time by time-odds factor */
13654 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13655 if (appData.debugMode) {
13656 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13659 if (time <= 0) time = 1;
13660 if (otime <= 0) otime = 1;
13662 snprintf(message, MSG_SIZ, "time %ld\n", time);
13663 SendToProgram(message, cps);
13665 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13666 SendToProgram(message, cps);
13670 BoolFeature(p, name, loc, cps)
13674 ChessProgramState *cps;
13677 int len = strlen(name);
13680 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13682 sscanf(*p, "%d", &val);
13684 while (**p && **p != ' ')
13686 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13687 SendToProgram(buf, cps);
13694 IntFeature(p, name, loc, cps)
13698 ChessProgramState *cps;
13701 int len = strlen(name);
13702 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13704 sscanf(*p, "%d", loc);
13705 while (**p && **p != ' ') (*p)++;
13706 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13707 SendToProgram(buf, cps);
13714 StringFeature(p, name, loc, cps)
13718 ChessProgramState *cps;
13721 int len = strlen(name);
13722 if (strncmp((*p), name, len) == 0
13723 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13725 sscanf(*p, "%[^\"]", loc);
13726 while (**p && **p != '\"') (*p)++;
13727 if (**p == '\"') (*p)++;
13728 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13729 SendToProgram(buf, cps);
13736 ParseOption(Option *opt, ChessProgramState *cps)
13737 // [HGM] options: process the string that defines an engine option, and determine
13738 // name, type, default value, and allowed value range
13740 char *p, *q, buf[MSG_SIZ];
13741 int n, min = (-1)<<31, max = 1<<31, def;
13743 if(p = strstr(opt->name, " -spin ")) {
13744 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13745 if(max < min) max = min; // enforce consistency
13746 if(def < min) def = min;
13747 if(def > max) def = max;
13752 } else if((p = strstr(opt->name, " -slider "))) {
13753 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13754 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13755 if(max < min) max = min; // enforce consistency
13756 if(def < min) def = min;
13757 if(def > max) def = max;
13761 opt->type = Spin; // Slider;
13762 } else if((p = strstr(opt->name, " -string "))) {
13763 opt->textValue = p+9;
13764 opt->type = TextBox;
13765 } else if((p = strstr(opt->name, " -file "))) {
13766 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13767 opt->textValue = p+7;
13768 opt->type = TextBox; // FileName;
13769 } else if((p = strstr(opt->name, " -path "))) {
13770 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13771 opt->textValue = p+7;
13772 opt->type = TextBox; // PathName;
13773 } else if(p = strstr(opt->name, " -check ")) {
13774 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13775 opt->value = (def != 0);
13776 opt->type = CheckBox;
13777 } else if(p = strstr(opt->name, " -combo ")) {
13778 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13779 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13780 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13781 opt->value = n = 0;
13782 while(q = StrStr(q, " /// ")) {
13783 n++; *q = 0; // count choices, and null-terminate each of them
13785 if(*q == '*') { // remember default, which is marked with * prefix
13789 cps->comboList[cps->comboCnt++] = q;
13791 cps->comboList[cps->comboCnt++] = NULL;
13793 opt->type = ComboBox;
13794 } else if(p = strstr(opt->name, " -button")) {
13795 opt->type = Button;
13796 } else if(p = strstr(opt->name, " -save")) {
13797 opt->type = SaveButton;
13798 } else return FALSE;
13799 *p = 0; // terminate option name
13800 // now look if the command-line options define a setting for this engine option.
13801 if(cps->optionSettings && cps->optionSettings[0])
13802 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13803 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13804 snprintf(buf, MSG_SIZ, "option %s", p);
13805 if(p = strstr(buf, ",")) *p = 0;
13807 SendToProgram(buf, cps);
13813 FeatureDone(cps, val)
13814 ChessProgramState* cps;
13817 DelayedEventCallback cb = GetDelayedEvent();
13818 if ((cb == InitBackEnd3 && cps == &first) ||
13819 (cb == TwoMachinesEventIfReady && cps == &second)) {
13820 CancelDelayedEvent();
13821 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13823 cps->initDone = val;
13826 /* Parse feature command from engine */
13828 ParseFeatures(args, cps)
13830 ChessProgramState *cps;
13838 while (*p == ' ') p++;
13839 if (*p == NULLCHAR) return;
13841 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13842 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13843 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13844 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13845 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13846 if (BoolFeature(&p, "reuse", &val, cps)) {
13847 /* Engine can disable reuse, but can't enable it if user said no */
13848 if (!val) cps->reuse = FALSE;
13851 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13852 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13853 if (gameMode == TwoMachinesPlay) {
13854 DisplayTwoMachinesTitle();
13860 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13861 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13862 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13863 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13864 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13865 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13866 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13867 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13868 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13869 if (IntFeature(&p, "done", &val, cps)) {
13870 FeatureDone(cps, val);
13873 /* Added by Tord: */
13874 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13875 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13876 /* End of additions by Tord */
13878 /* [HGM] added features: */
13879 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13880 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13881 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13882 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13883 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13884 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13885 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13886 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13887 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13888 SendToProgram(buf, cps);
13891 if(cps->nrOptions >= MAX_OPTIONS) {
13893 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13894 DisplayError(buf, 0);
13898 /* End of additions by HGM */
13900 /* unknown feature: complain and skip */
13902 while (*q && *q != '=') q++;
13903 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13904 SendToProgram(buf, cps);
13910 while (*p && *p != '\"') p++;
13911 if (*p == '\"') p++;
13913 while (*p && *p != ' ') p++;
13921 PeriodicUpdatesEvent(newState)
13924 if (newState == appData.periodicUpdates)
13927 appData.periodicUpdates=newState;
13929 /* Display type changes, so update it now */
13930 // DisplayAnalysis();
13932 /* Get the ball rolling again... */
13934 AnalysisPeriodicEvent(1);
13935 StartAnalysisClock();
13940 PonderNextMoveEvent(newState)
13943 if (newState == appData.ponderNextMove) return;
13944 if (gameMode == EditPosition) EditPositionDone(TRUE);
13946 SendToProgram("hard\n", &first);
13947 if (gameMode == TwoMachinesPlay) {
13948 SendToProgram("hard\n", &second);
13951 SendToProgram("easy\n", &first);
13952 thinkOutput[0] = NULLCHAR;
13953 if (gameMode == TwoMachinesPlay) {
13954 SendToProgram("easy\n", &second);
13957 appData.ponderNextMove = newState;
13961 NewSettingEvent(option, feature, command, value)
13963 int option, value, *feature;
13967 if (gameMode == EditPosition) EditPositionDone(TRUE);
13968 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13969 if(feature == NULL || *feature) SendToProgram(buf, &first);
13970 if (gameMode == TwoMachinesPlay) {
13971 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13976 ShowThinkingEvent()
13977 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13979 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13980 int newState = appData.showThinking
13981 // [HGM] thinking: other features now need thinking output as well
13982 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13984 if (oldState == newState) return;
13985 oldState = newState;
13986 if (gameMode == EditPosition) EditPositionDone(TRUE);
13988 SendToProgram("post\n", &first);
13989 if (gameMode == TwoMachinesPlay) {
13990 SendToProgram("post\n", &second);
13993 SendToProgram("nopost\n", &first);
13994 thinkOutput[0] = NULLCHAR;
13995 if (gameMode == TwoMachinesPlay) {
13996 SendToProgram("nopost\n", &second);
13999 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14003 AskQuestionEvent(title, question, replyPrefix, which)
14004 char *title; char *question; char *replyPrefix; char *which;
14006 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14007 if (pr == NoProc) return;
14008 AskQuestion(title, question, replyPrefix, pr);
14012 DisplayMove(moveNumber)
14015 char message[MSG_SIZ];
14017 char cpThinkOutput[MSG_SIZ];
14019 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14021 if (moveNumber == forwardMostMove - 1 ||
14022 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14024 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14026 if (strchr(cpThinkOutput, '\n')) {
14027 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14030 *cpThinkOutput = NULLCHAR;
14033 /* [AS] Hide thinking from human user */
14034 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14035 *cpThinkOutput = NULLCHAR;
14036 if( thinkOutput[0] != NULLCHAR ) {
14039 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14040 cpThinkOutput[i] = '.';
14042 cpThinkOutput[i] = NULLCHAR;
14043 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14047 if (moveNumber == forwardMostMove - 1 &&
14048 gameInfo.resultDetails != NULL) {
14049 if (gameInfo.resultDetails[0] == NULLCHAR) {
14050 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14052 snprintf(res, MSG_SIZ, " {%s} %s",
14053 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14059 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14060 DisplayMessage(res, cpThinkOutput);
14062 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14063 WhiteOnMove(moveNumber) ? " " : ".. ",
14064 parseList[moveNumber], res);
14065 DisplayMessage(message, cpThinkOutput);
14070 DisplayComment(moveNumber, text)
14074 char title[MSG_SIZ];
14075 char buf[8000]; // comment can be long!
14078 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14079 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14081 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14082 WhiteOnMove(moveNumber) ? " " : ".. ",
14083 parseList[moveNumber]);
14085 // [HGM] PV info: display PV info together with (or as) comment
14086 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14087 if(text == NULL) text = "";
14088 score = pvInfoList[moveNumber].score;
14089 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14090 depth, (pvInfoList[moveNumber].time+50)/100, text);
14093 if (text != NULL && (appData.autoDisplayComment || commentUp))
14094 CommentPopUp(title, text);
14097 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14098 * might be busy thinking or pondering. It can be omitted if your
14099 * gnuchess is configured to stop thinking immediately on any user
14100 * input. However, that gnuchess feature depends on the FIONREAD
14101 * ioctl, which does not work properly on some flavors of Unix.
14105 ChessProgramState *cps;
14108 if (!cps->useSigint) return;
14109 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14110 switch (gameMode) {
14111 case MachinePlaysWhite:
14112 case MachinePlaysBlack:
14113 case TwoMachinesPlay:
14114 case IcsPlayingWhite:
14115 case IcsPlayingBlack:
14118 /* Skip if we know it isn't thinking */
14119 if (!cps->maybeThinking) return;
14120 if (appData.debugMode)
14121 fprintf(debugFP, "Interrupting %s\n", cps->which);
14122 InterruptChildProcess(cps->pr);
14123 cps->maybeThinking = FALSE;
14128 #endif /*ATTENTION*/
14134 if (whiteTimeRemaining <= 0) {
14137 if (appData.icsActive) {
14138 if (appData.autoCallFlag &&
14139 gameMode == IcsPlayingBlack && !blackFlag) {
14140 SendToICS(ics_prefix);
14141 SendToICS("flag\n");
14145 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14147 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14148 if (appData.autoCallFlag) {
14149 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14156 if (blackTimeRemaining <= 0) {
14159 if (appData.icsActive) {
14160 if (appData.autoCallFlag &&
14161 gameMode == IcsPlayingWhite && !whiteFlag) {
14162 SendToICS(ics_prefix);
14163 SendToICS("flag\n");
14167 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14169 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14170 if (appData.autoCallFlag) {
14171 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14184 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14185 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14188 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14190 if ( !WhiteOnMove(forwardMostMove) ) {
14191 /* White made time control */
14192 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14193 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14194 /* [HGM] time odds: correct new time quota for time odds! */
14195 / WhitePlayer()->timeOdds;
14196 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14198 lastBlack -= blackTimeRemaining;
14199 /* Black made time control */
14200 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14201 / WhitePlayer()->other->timeOdds;
14202 lastWhite = whiteTimeRemaining;
14207 DisplayBothClocks()
14209 int wom = gameMode == EditPosition ?
14210 !blackPlaysFirst : WhiteOnMove(currentMove);
14211 DisplayWhiteClock(whiteTimeRemaining, wom);
14212 DisplayBlackClock(blackTimeRemaining, !wom);
14216 /* Timekeeping seems to be a portability nightmare. I think everyone
14217 has ftime(), but I'm really not sure, so I'm including some ifdefs
14218 to use other calls if you don't. Clocks will be less accurate if
14219 you have neither ftime nor gettimeofday.
14222 /* VS 2008 requires the #include outside of the function */
14223 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14224 #include <sys/timeb.h>
14227 /* Get the current time as a TimeMark */
14232 #if HAVE_GETTIMEOFDAY
14234 struct timeval timeVal;
14235 struct timezone timeZone;
14237 gettimeofday(&timeVal, &timeZone);
14238 tm->sec = (long) timeVal.tv_sec;
14239 tm->ms = (int) (timeVal.tv_usec / 1000L);
14241 #else /*!HAVE_GETTIMEOFDAY*/
14244 // include <sys/timeb.h> / moved to just above start of function
14245 struct timeb timeB;
14248 tm->sec = (long) timeB.time;
14249 tm->ms = (int) timeB.millitm;
14251 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14252 tm->sec = (long) time(NULL);
14258 /* Return the difference in milliseconds between two
14259 time marks. We assume the difference will fit in a long!
14262 SubtractTimeMarks(tm2, tm1)
14263 TimeMark *tm2, *tm1;
14265 return 1000L*(tm2->sec - tm1->sec) +
14266 (long) (tm2->ms - tm1->ms);
14271 * Code to manage the game clocks.
14273 * In tournament play, black starts the clock and then white makes a move.
14274 * We give the human user a slight advantage if he is playing white---the
14275 * clocks don't run until he makes his first move, so it takes zero time.
14276 * Also, we don't account for network lag, so we could get out of sync
14277 * with GNU Chess's clock -- but then, referees are always right.
14280 static TimeMark tickStartTM;
14281 static long intendedTickLength;
14284 NextTickLength(timeRemaining)
14285 long timeRemaining;
14287 long nominalTickLength, nextTickLength;
14289 if (timeRemaining > 0L && timeRemaining <= 10000L)
14290 nominalTickLength = 100L;
14292 nominalTickLength = 1000L;
14293 nextTickLength = timeRemaining % nominalTickLength;
14294 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14296 return nextTickLength;
14299 /* Adjust clock one minute up or down */
14301 AdjustClock(Boolean which, int dir)
14303 if(which) blackTimeRemaining += 60000*dir;
14304 else whiteTimeRemaining += 60000*dir;
14305 DisplayBothClocks();
14308 /* Stop clocks and reset to a fresh time control */
14312 (void) StopClockTimer();
14313 if (appData.icsActive) {
14314 whiteTimeRemaining = blackTimeRemaining = 0;
14315 } else if (searchTime) {
14316 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14317 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14318 } else { /* [HGM] correct new time quote for time odds */
14319 whiteTC = blackTC = fullTimeControlString;
14320 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14321 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14323 if (whiteFlag || blackFlag) {
14325 whiteFlag = blackFlag = FALSE;
14327 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14328 DisplayBothClocks();
14331 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14333 /* Decrement running clock by amount of time that has passed */
14337 long timeRemaining;
14338 long lastTickLength, fudge;
14341 if (!appData.clockMode) return;
14342 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14346 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14348 /* Fudge if we woke up a little too soon */
14349 fudge = intendedTickLength - lastTickLength;
14350 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14352 if (WhiteOnMove(forwardMostMove)) {
14353 if(whiteNPS >= 0) lastTickLength = 0;
14354 timeRemaining = whiteTimeRemaining -= lastTickLength;
14355 if(timeRemaining < 0 && !appData.icsActive) {
14356 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14357 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14358 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14359 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14362 DisplayWhiteClock(whiteTimeRemaining - fudge,
14363 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14365 if(blackNPS >= 0) lastTickLength = 0;
14366 timeRemaining = blackTimeRemaining -= lastTickLength;
14367 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14368 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14370 blackStartMove = forwardMostMove;
14371 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14374 DisplayBlackClock(blackTimeRemaining - fudge,
14375 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14377 if (CheckFlags()) return;
14380 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14381 StartClockTimer(intendedTickLength);
14383 /* if the time remaining has fallen below the alarm threshold, sound the
14384 * alarm. if the alarm has sounded and (due to a takeback or time control
14385 * with increment) the time remaining has increased to a level above the
14386 * threshold, reset the alarm so it can sound again.
14389 if (appData.icsActive && appData.icsAlarm) {
14391 /* make sure we are dealing with the user's clock */
14392 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14393 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14396 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14397 alarmSounded = FALSE;
14398 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14400 alarmSounded = TRUE;
14406 /* A player has just moved, so stop the previously running
14407 clock and (if in clock mode) start the other one.
14408 We redisplay both clocks in case we're in ICS mode, because
14409 ICS gives us an update to both clocks after every move.
14410 Note that this routine is called *after* forwardMostMove
14411 is updated, so the last fractional tick must be subtracted
14412 from the color that is *not* on move now.
14415 SwitchClocks(int newMoveNr)
14417 long lastTickLength;
14419 int flagged = FALSE;
14423 if (StopClockTimer() && appData.clockMode) {
14424 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14425 if (!WhiteOnMove(forwardMostMove)) {
14426 if(blackNPS >= 0) lastTickLength = 0;
14427 blackTimeRemaining -= lastTickLength;
14428 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14429 // if(pvInfoList[forwardMostMove-1].time == -1)
14430 pvInfoList[forwardMostMove-1].time = // use GUI time
14431 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14433 if(whiteNPS >= 0) lastTickLength = 0;
14434 whiteTimeRemaining -= 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 =
14438 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14440 flagged = CheckFlags();
14442 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14443 CheckTimeControl();
14445 if (flagged || !appData.clockMode) return;
14447 switch (gameMode) {
14448 case MachinePlaysBlack:
14449 case MachinePlaysWhite:
14450 case BeginningOfGame:
14451 if (pausing) return;
14455 case PlayFromGameFile:
14463 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14464 if(WhiteOnMove(forwardMostMove))
14465 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14466 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14470 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14471 whiteTimeRemaining : blackTimeRemaining);
14472 StartClockTimer(intendedTickLength);
14476 /* Stop both clocks */
14480 long lastTickLength;
14483 if (!StopClockTimer()) return;
14484 if (!appData.clockMode) return;
14488 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14489 if (WhiteOnMove(forwardMostMove)) {
14490 if(whiteNPS >= 0) lastTickLength = 0;
14491 whiteTimeRemaining -= lastTickLength;
14492 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14494 if(blackNPS >= 0) lastTickLength = 0;
14495 blackTimeRemaining -= lastTickLength;
14496 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14501 /* Start clock of player on move. Time may have been reset, so
14502 if clock is already running, stop and restart it. */
14506 (void) StopClockTimer(); /* in case it was running already */
14507 DisplayBothClocks();
14508 if (CheckFlags()) return;
14510 if (!appData.clockMode) return;
14511 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14513 GetTimeMark(&tickStartTM);
14514 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14515 whiteTimeRemaining : blackTimeRemaining);
14517 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14518 whiteNPS = blackNPS = -1;
14519 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14520 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14521 whiteNPS = first.nps;
14522 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14523 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14524 blackNPS = first.nps;
14525 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14526 whiteNPS = second.nps;
14527 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14528 blackNPS = second.nps;
14529 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14531 StartClockTimer(intendedTickLength);
14538 long second, minute, hour, day;
14540 static char buf[32];
14542 if (ms > 0 && ms <= 9900) {
14543 /* convert milliseconds to tenths, rounding up */
14544 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14546 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14550 /* convert milliseconds to seconds, rounding up */
14551 /* use floating point to avoid strangeness of integer division
14552 with negative dividends on many machines */
14553 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14560 day = second / (60 * 60 * 24);
14561 second = second % (60 * 60 * 24);
14562 hour = second / (60 * 60);
14563 second = second % (60 * 60);
14564 minute = second / 60;
14565 second = second % 60;
14568 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14569 sign, day, hour, minute, second);
14571 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14573 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14580 * This is necessary because some C libraries aren't ANSI C compliant yet.
14583 StrStr(string, match)
14584 char *string, *match;
14588 length = strlen(match);
14590 for (i = strlen(string) - length; i >= 0; i--, string++)
14591 if (!strncmp(match, string, length))
14598 StrCaseStr(string, match)
14599 char *string, *match;
14603 length = strlen(match);
14605 for (i = strlen(string) - length; i >= 0; i--, string++) {
14606 for (j = 0; j < length; j++) {
14607 if (ToLower(match[j]) != ToLower(string[j]))
14610 if (j == length) return string;
14624 c1 = ToLower(*s1++);
14625 c2 = ToLower(*s2++);
14626 if (c1 > c2) return 1;
14627 if (c1 < c2) return -1;
14628 if (c1 == NULLCHAR) return 0;
14637 return isupper(c) ? tolower(c) : c;
14645 return islower(c) ? toupper(c) : c;
14647 #endif /* !_amigados */
14655 if ((ret = (char *) malloc(strlen(s) + 1)))
14657 safeStrCpy(ret, s, strlen(s)+1);
14663 StrSavePtr(s, savePtr)
14664 char *s, **savePtr;
14669 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14670 safeStrCpy(*savePtr, s, strlen(s)+1);
14682 clock = time((time_t *)NULL);
14683 tm = localtime(&clock);
14684 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14685 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14686 return StrSave(buf);
14691 PositionToFEN(move, overrideCastling)
14693 char *overrideCastling;
14695 int i, j, fromX, fromY, toX, toY;
14702 whiteToPlay = (gameMode == EditPosition) ?
14703 !blackPlaysFirst : (move % 2 == 0);
14706 /* Piece placement data */
14707 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14709 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14710 if (boards[move][i][j] == EmptySquare) {
14712 } else { ChessSquare piece = boards[move][i][j];
14713 if (emptycount > 0) {
14714 if(emptycount<10) /* [HGM] can be >= 10 */
14715 *p++ = '0' + emptycount;
14716 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14719 if(PieceToChar(piece) == '+') {
14720 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14722 piece = (ChessSquare)(DEMOTED piece);
14724 *p++ = PieceToChar(piece);
14726 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14727 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14732 if (emptycount > 0) {
14733 if(emptycount<10) /* [HGM] can be >= 10 */
14734 *p++ = '0' + emptycount;
14735 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14742 /* [HGM] print Crazyhouse or Shogi holdings */
14743 if( gameInfo.holdingsWidth ) {
14744 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14746 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14747 piece = boards[move][i][BOARD_WIDTH-1];
14748 if( piece != EmptySquare )
14749 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14750 *p++ = PieceToChar(piece);
14752 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14753 piece = boards[move][BOARD_HEIGHT-i-1][0];
14754 if( piece != EmptySquare )
14755 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14756 *p++ = PieceToChar(piece);
14759 if( q == p ) *p++ = '-';
14765 *p++ = whiteToPlay ? 'w' : 'b';
14768 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14769 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14771 if(nrCastlingRights) {
14773 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14774 /* [HGM] write directly from rights */
14775 if(boards[move][CASTLING][2] != NoRights &&
14776 boards[move][CASTLING][0] != NoRights )
14777 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14778 if(boards[move][CASTLING][2] != NoRights &&
14779 boards[move][CASTLING][1] != NoRights )
14780 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14781 if(boards[move][CASTLING][5] != NoRights &&
14782 boards[move][CASTLING][3] != NoRights )
14783 *p++ = boards[move][CASTLING][3] + AAA;
14784 if(boards[move][CASTLING][5] != NoRights &&
14785 boards[move][CASTLING][4] != NoRights )
14786 *p++ = boards[move][CASTLING][4] + AAA;
14789 /* [HGM] write true castling rights */
14790 if( nrCastlingRights == 6 ) {
14791 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14792 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14793 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14794 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14795 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14796 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14797 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14798 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14801 if (q == p) *p++ = '-'; /* No castling rights */
14805 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14806 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14807 /* En passant target square */
14808 if (move > backwardMostMove) {
14809 fromX = moveList[move - 1][0] - AAA;
14810 fromY = moveList[move - 1][1] - ONE;
14811 toX = moveList[move - 1][2] - AAA;
14812 toY = moveList[move - 1][3] - ONE;
14813 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14814 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14815 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14817 /* 2-square pawn move just happened */
14819 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14823 } else if(move == backwardMostMove) {
14824 // [HGM] perhaps we should always do it like this, and forget the above?
14825 if((signed char)boards[move][EP_STATUS] >= 0) {
14826 *p++ = boards[move][EP_STATUS] + AAA;
14827 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14838 /* [HGM] find reversible plies */
14839 { int i = 0, j=move;
14841 if (appData.debugMode) { int k;
14842 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14843 for(k=backwardMostMove; k<=forwardMostMove; k++)
14844 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14848 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14849 if( j == backwardMostMove ) i += initialRulePlies;
14850 sprintf(p, "%d ", i);
14851 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14853 /* Fullmove number */
14854 sprintf(p, "%d", (move / 2) + 1);
14856 return StrSave(buf);
14860 ParseFEN(board, blackPlaysFirst, fen)
14862 int *blackPlaysFirst;
14872 /* [HGM] by default clear Crazyhouse holdings, if present */
14873 if(gameInfo.holdingsWidth) {
14874 for(i=0; i<BOARD_HEIGHT; i++) {
14875 board[i][0] = EmptySquare; /* black holdings */
14876 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14877 board[i][1] = (ChessSquare) 0; /* black counts */
14878 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14882 /* Piece placement data */
14883 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14886 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14887 if (*p == '/') p++;
14888 emptycount = gameInfo.boardWidth - j;
14889 while (emptycount--)
14890 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14892 #if(BOARD_FILES >= 10)
14893 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14894 p++; emptycount=10;
14895 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14896 while (emptycount--)
14897 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14899 } else if (isdigit(*p)) {
14900 emptycount = *p++ - '0';
14901 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14902 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14903 while (emptycount--)
14904 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14905 } else if (*p == '+' || isalpha(*p)) {
14906 if (j >= gameInfo.boardWidth) return FALSE;
14908 piece = CharToPiece(*++p);
14909 if(piece == EmptySquare) return FALSE; /* unknown piece */
14910 piece = (ChessSquare) (PROMOTED piece ); p++;
14911 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14912 } else piece = CharToPiece(*p++);
14914 if(piece==EmptySquare) return FALSE; /* unknown piece */
14915 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14916 piece = (ChessSquare) (PROMOTED piece);
14917 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14920 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14926 while (*p == '/' || *p == ' ') p++;
14928 /* [HGM] look for Crazyhouse holdings here */
14929 while(*p==' ') p++;
14930 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14932 if(*p == '-' ) p++; /* empty holdings */ else {
14933 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14934 /* if we would allow FEN reading to set board size, we would */
14935 /* have to add holdings and shift the board read so far here */
14936 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14938 if((int) piece >= (int) BlackPawn ) {
14939 i = (int)piece - (int)BlackPawn;
14940 i = PieceToNumber((ChessSquare)i);
14941 if( i >= gameInfo.holdingsSize ) return FALSE;
14942 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14943 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14945 i = (int)piece - (int)WhitePawn;
14946 i = PieceToNumber((ChessSquare)i);
14947 if( i >= gameInfo.holdingsSize ) return FALSE;
14948 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14949 board[i][BOARD_WIDTH-2]++; /* black holdings */
14956 while(*p == ' ') p++;
14960 if(appData.colorNickNames) {
14961 if( c == appData.colorNickNames[0] ) c = 'w'; else
14962 if( c == appData.colorNickNames[1] ) c = 'b';
14966 *blackPlaysFirst = FALSE;
14969 *blackPlaysFirst = TRUE;
14975 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14976 /* return the extra info in global variiables */
14978 /* set defaults in case FEN is incomplete */
14979 board[EP_STATUS] = EP_UNKNOWN;
14980 for(i=0; i<nrCastlingRights; i++ ) {
14981 board[CASTLING][i] =
14982 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14983 } /* assume possible unless obviously impossible */
14984 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14985 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14986 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14987 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14988 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14989 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14990 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14991 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14994 while(*p==' ') p++;
14995 if(nrCastlingRights) {
14996 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14997 /* castling indicator present, so default becomes no castlings */
14998 for(i=0; i<nrCastlingRights; i++ ) {
14999 board[CASTLING][i] = NoRights;
15002 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15003 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15004 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15005 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15006 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15008 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15009 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15010 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15012 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15013 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15014 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15015 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15016 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15017 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15020 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15021 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15022 board[CASTLING][2] = whiteKingFile;
15025 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15026 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15027 board[CASTLING][2] = whiteKingFile;
15030 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15031 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15032 board[CASTLING][5] = blackKingFile;
15035 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15036 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15037 board[CASTLING][5] = blackKingFile;
15040 default: /* FRC castlings */
15041 if(c >= 'a') { /* black rights */
15042 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15043 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15044 if(i == BOARD_RGHT) break;
15045 board[CASTLING][5] = i;
15047 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15048 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15050 board[CASTLING][3] = c;
15052 board[CASTLING][4] = c;
15053 } else { /* white rights */
15054 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15055 if(board[0][i] == WhiteKing) break;
15056 if(i == BOARD_RGHT) break;
15057 board[CASTLING][2] = i;
15058 c -= AAA - 'a' + 'A';
15059 if(board[0][c] >= WhiteKing) break;
15061 board[CASTLING][0] = c;
15063 board[CASTLING][1] = c;
15067 for(i=0; i<nrCastlingRights; i++)
15068 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15069 if (appData.debugMode) {
15070 fprintf(debugFP, "FEN castling rights:");
15071 for(i=0; i<nrCastlingRights; i++)
15072 fprintf(debugFP, " %d", board[CASTLING][i]);
15073 fprintf(debugFP, "\n");
15076 while(*p==' ') p++;
15079 /* read e.p. field in games that know e.p. capture */
15080 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15081 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15083 p++; board[EP_STATUS] = EP_NONE;
15085 char c = *p++ - AAA;
15087 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15088 if(*p >= '0' && *p <='9') p++;
15089 board[EP_STATUS] = c;
15094 if(sscanf(p, "%d", &i) == 1) {
15095 FENrulePlies = i; /* 50-move ply counter */
15096 /* (The move number is still ignored) */
15103 EditPositionPasteFEN(char *fen)
15106 Board initial_position;
15108 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15109 DisplayError(_("Bad FEN position in clipboard"), 0);
15112 int savedBlackPlaysFirst = blackPlaysFirst;
15113 EditPositionEvent();
15114 blackPlaysFirst = savedBlackPlaysFirst;
15115 CopyBoard(boards[0], initial_position);
15116 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15117 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15118 DisplayBothClocks();
15119 DrawPosition(FALSE, boards[currentMove]);
15124 static char cseq[12] = "\\ ";
15126 Boolean set_cont_sequence(char *new_seq)
15131 // handle bad attempts to set the sequence
15133 return 0; // acceptable error - no debug
15135 len = strlen(new_seq);
15136 ret = (len > 0) && (len < sizeof(cseq));
15138 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15139 else if (appData.debugMode)
15140 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15145 reformat a source message so words don't cross the width boundary. internal
15146 newlines are not removed. returns the wrapped size (no null character unless
15147 included in source message). If dest is NULL, only calculate the size required
15148 for the dest buffer. lp argument indicats line position upon entry, and it's
15149 passed back upon exit.
15151 int wrap(char *dest, char *src, int count, int width, int *lp)
15153 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15155 cseq_len = strlen(cseq);
15156 old_line = line = *lp;
15157 ansi = len = clen = 0;
15159 for (i=0; i < count; i++)
15161 if (src[i] == '\033')
15164 // if we hit the width, back up
15165 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15167 // store i & len in case the word is too long
15168 old_i = i, old_len = len;
15170 // find the end of the last word
15171 while (i && src[i] != ' ' && src[i] != '\n')
15177 // word too long? restore i & len before splitting it
15178 if ((old_i-i+clen) >= width)
15185 if (i && src[i-1] == ' ')
15188 if (src[i] != ' ' && src[i] != '\n')
15195 // now append the newline and continuation sequence
15200 strncpy(dest+len, cseq, cseq_len);
15208 dest[len] = src[i];
15212 if (src[i] == '\n')
15217 if (dest && appData.debugMode)
15219 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15220 count, width, line, len, *lp);
15221 show_bytes(debugFP, src, count);
15222 fprintf(debugFP, "\ndest: ");
15223 show_bytes(debugFP, dest, len);
15224 fprintf(debugFP, "\n");
15226 *lp = dest ? line : old_line;
15231 // [HGM] vari: routines for shelving variations
15234 PushTail(int firstMove, int lastMove)
15236 int i, j, nrMoves = lastMove - firstMove;
15238 if(appData.icsActive) { // only in local mode
15239 forwardMostMove = currentMove; // mimic old ICS behavior
15242 if(storedGames >= MAX_VARIATIONS-1) return;
15244 // push current tail of game on stack
15245 savedResult[storedGames] = gameInfo.result;
15246 savedDetails[storedGames] = gameInfo.resultDetails;
15247 gameInfo.resultDetails = NULL;
15248 savedFirst[storedGames] = firstMove;
15249 savedLast [storedGames] = lastMove;
15250 savedFramePtr[storedGames] = framePtr;
15251 framePtr -= nrMoves; // reserve space for the boards
15252 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15253 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15254 for(j=0; j<MOVE_LEN; j++)
15255 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15256 for(j=0; j<2*MOVE_LEN; j++)
15257 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15258 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15259 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15260 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15261 pvInfoList[firstMove+i-1].depth = 0;
15262 commentList[framePtr+i] = commentList[firstMove+i];
15263 commentList[firstMove+i] = NULL;
15267 forwardMostMove = firstMove; // truncate game so we can start variation
15268 if(storedGames == 1) GreyRevert(FALSE);
15272 PopTail(Boolean annotate)
15275 char buf[8000], moveBuf[20];
15277 if(appData.icsActive) return FALSE; // only in local mode
15278 if(!storedGames) return FALSE; // sanity
15279 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15282 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15283 nrMoves = savedLast[storedGames] - currentMove;
15286 if(!WhiteOnMove(currentMove))
15287 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15288 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15289 for(i=currentMove; i<forwardMostMove; i++) {
15291 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15292 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15293 strcat(buf, moveBuf);
15294 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15295 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15299 for(i=1; i<=nrMoves; i++) { // copy last variation back
15300 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15301 for(j=0; j<MOVE_LEN; j++)
15302 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15303 for(j=0; j<2*MOVE_LEN; j++)
15304 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15305 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15306 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15307 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15308 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15309 commentList[currentMove+i] = commentList[framePtr+i];
15310 commentList[framePtr+i] = NULL;
15312 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15313 framePtr = savedFramePtr[storedGames];
15314 gameInfo.result = savedResult[storedGames];
15315 if(gameInfo.resultDetails != NULL) {
15316 free(gameInfo.resultDetails);
15318 gameInfo.resultDetails = savedDetails[storedGames];
15319 forwardMostMove = currentMove + nrMoves;
15320 if(storedGames == 0) GreyRevert(TRUE);
15326 { // remove all shelved variations
15328 for(i=0; i<storedGames; i++) {
15329 if(savedDetails[i])
15330 free(savedDetails[i]);
15331 savedDetails[i] = NULL;
15333 for(i=framePtr; i<MAX_MOVES; i++) {
15334 if(commentList[i]) free(commentList[i]);
15335 commentList[i] = NULL;
15337 framePtr = MAX_MOVES-1;
15342 LoadVariation(int index, char *text)
15343 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15344 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15345 int level = 0, move;
15347 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15348 // first find outermost bracketing variation
15349 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15350 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15351 if(*p == '{') wait = '}'; else
15352 if(*p == '[') wait = ']'; else
15353 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15354 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15356 if(*p == wait) wait = NULLCHAR; // closing ]} found
15359 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15360 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15361 end[1] = NULLCHAR; // clip off comment beyond variation
15362 ToNrEvent(currentMove-1);
15363 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15364 // kludge: use ParsePV() to append variation to game
15365 move = currentMove;
15366 ParsePV(start, TRUE);
15367 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15368 ClearPremoveHighlights();
15370 ToNrEvent(currentMove+1);