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 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8382 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8383 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8385 if (fromY == DROP_RANK) {
8387 piece = board[toY][toX] = (ChessSquare) fromX;
8391 if( board[fromY][fromX] == WhitePawn ) {
8392 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8393 board[EP_STATUS] = EP_PAWN_MOVE;
8395 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8396 gameInfo.variant != VariantBerolina || toX < fromX)
8397 board[EP_STATUS] = toX | berolina;
8398 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8399 gameInfo.variant != VariantBerolina || toX > fromX)
8400 board[EP_STATUS] = toX;
8403 if( board[fromY][fromX] == BlackPawn ) {
8404 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8405 board[EP_STATUS] = EP_PAWN_MOVE;
8406 if( toY-fromY== -2) {
8407 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8408 gameInfo.variant != VariantBerolina || toX < fromX)
8409 board[EP_STATUS] = toX | berolina;
8410 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8411 gameInfo.variant != VariantBerolina || toX > fromX)
8412 board[EP_STATUS] = toX;
8416 for(i=0; i<nrCastlingRights; i++) {
8417 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8418 board[CASTLING][i] == toX && castlingRank[i] == toY
8419 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8422 if (fromX == toX && fromY == toY) return;
8424 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8425 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8426 if(gameInfo.variant == VariantKnightmate)
8427 king += (int) WhiteUnicorn - (int) WhiteKing;
8429 /* Code added by Tord: */
8430 /* FRC castling assumed when king captures friendly rook. */
8431 if (board[fromY][fromX] == WhiteKing &&
8432 board[toY][toX] == WhiteRook) {
8433 board[fromY][fromX] = EmptySquare;
8434 board[toY][toX] = EmptySquare;
8436 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8438 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8440 } else if (board[fromY][fromX] == BlackKing &&
8441 board[toY][toX] == BlackRook) {
8442 board[fromY][fromX] = EmptySquare;
8443 board[toY][toX] = EmptySquare;
8445 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8447 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8449 /* End of code added by Tord */
8451 } else if (board[fromY][fromX] == king
8452 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8453 && toY == fromY && toX > fromX+1) {
8454 board[fromY][fromX] = EmptySquare;
8455 board[toY][toX] = king;
8456 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8457 board[fromY][BOARD_RGHT-1] = EmptySquare;
8458 } else if (board[fromY][fromX] == king
8459 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8460 && toY == fromY && toX < fromX-1) {
8461 board[fromY][fromX] = EmptySquare;
8462 board[toY][toX] = king;
8463 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8464 board[fromY][BOARD_LEFT] = EmptySquare;
8465 } else if (board[fromY][fromX] == WhitePawn
8466 && toY >= BOARD_HEIGHT-promoRank
8467 && gameInfo.variant != VariantXiangqi
8469 /* white pawn promotion */
8470 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8471 if (board[toY][toX] == EmptySquare) {
8472 board[toY][toX] = WhiteQueen;
8474 if(gameInfo.variant==VariantBughouse ||
8475 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8476 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8477 board[fromY][fromX] = EmptySquare;
8478 } else if ((fromY == BOARD_HEIGHT-4)
8480 && gameInfo.variant != VariantXiangqi
8481 && gameInfo.variant != VariantBerolina
8482 && (board[fromY][fromX] == WhitePawn)
8483 && (board[toY][toX] == EmptySquare)) {
8484 board[fromY][fromX] = EmptySquare;
8485 board[toY][toX] = WhitePawn;
8486 captured = board[toY - 1][toX];
8487 board[toY - 1][toX] = EmptySquare;
8488 } else if ((fromY == BOARD_HEIGHT-4)
8490 && gameInfo.variant == VariantBerolina
8491 && (board[fromY][fromX] == WhitePawn)
8492 && (board[toY][toX] == EmptySquare)) {
8493 board[fromY][fromX] = EmptySquare;
8494 board[toY][toX] = WhitePawn;
8495 if(oldEP & EP_BEROLIN_A) {
8496 captured = board[fromY][fromX-1];
8497 board[fromY][fromX-1] = EmptySquare;
8498 }else{ captured = board[fromY][fromX+1];
8499 board[fromY][fromX+1] = EmptySquare;
8501 } else if (board[fromY][fromX] == king
8502 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8503 && toY == fromY && toX > fromX+1) {
8504 board[fromY][fromX] = EmptySquare;
8505 board[toY][toX] = king;
8506 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8507 board[fromY][BOARD_RGHT-1] = EmptySquare;
8508 } else if (board[fromY][fromX] == king
8509 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8510 && toY == fromY && toX < fromX-1) {
8511 board[fromY][fromX] = EmptySquare;
8512 board[toY][toX] = king;
8513 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8514 board[fromY][BOARD_LEFT] = EmptySquare;
8515 } else if (fromY == 7 && fromX == 3
8516 && board[fromY][fromX] == BlackKing
8517 && toY == 7 && toX == 5) {
8518 board[fromY][fromX] = EmptySquare;
8519 board[toY][toX] = BlackKing;
8520 board[fromY][7] = EmptySquare;
8521 board[toY][4] = BlackRook;
8522 } else if (fromY == 7 && fromX == 3
8523 && board[fromY][fromX] == BlackKing
8524 && toY == 7 && toX == 1) {
8525 board[fromY][fromX] = EmptySquare;
8526 board[toY][toX] = BlackKing;
8527 board[fromY][0] = EmptySquare;
8528 board[toY][2] = BlackRook;
8529 } else if (board[fromY][fromX] == BlackPawn
8531 && gameInfo.variant != VariantXiangqi
8533 /* black pawn promotion */
8534 board[toY][toX] = CharToPiece(ToLower(promoChar));
8535 if (board[toY][toX] == EmptySquare) {
8536 board[toY][toX] = BlackQueen;
8538 if(gameInfo.variant==VariantBughouse ||
8539 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8540 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8541 board[fromY][fromX] = EmptySquare;
8542 } else if ((fromY == 3)
8544 && gameInfo.variant != VariantXiangqi
8545 && gameInfo.variant != VariantBerolina
8546 && (board[fromY][fromX] == BlackPawn)
8547 && (board[toY][toX] == EmptySquare)) {
8548 board[fromY][fromX] = EmptySquare;
8549 board[toY][toX] = BlackPawn;
8550 captured = board[toY + 1][toX];
8551 board[toY + 1][toX] = EmptySquare;
8552 } else if ((fromY == 3)
8554 && gameInfo.variant == VariantBerolina
8555 && (board[fromY][fromX] == BlackPawn)
8556 && (board[toY][toX] == EmptySquare)) {
8557 board[fromY][fromX] = EmptySquare;
8558 board[toY][toX] = BlackPawn;
8559 if(oldEP & EP_BEROLIN_A) {
8560 captured = board[fromY][fromX-1];
8561 board[fromY][fromX-1] = EmptySquare;
8562 }else{ captured = board[fromY][fromX+1];
8563 board[fromY][fromX+1] = EmptySquare;
8566 board[toY][toX] = board[fromY][fromX];
8567 board[fromY][fromX] = EmptySquare;
8571 if (gameInfo.holdingsWidth != 0) {
8573 /* !!A lot more code needs to be written to support holdings */
8574 /* [HGM] OK, so I have written it. Holdings are stored in the */
8575 /* penultimate board files, so they are automaticlly stored */
8576 /* in the game history. */
8577 if (fromY == DROP_RANK) {
8578 /* Delete from holdings, by decreasing count */
8579 /* and erasing image if necessary */
8581 if(p < (int) BlackPawn) { /* white drop */
8582 p -= (int)WhitePawn;
8583 p = PieceToNumber((ChessSquare)p);
8584 if(p >= gameInfo.holdingsSize) p = 0;
8585 if(--board[p][BOARD_WIDTH-2] <= 0)
8586 board[p][BOARD_WIDTH-1] = EmptySquare;
8587 if((int)board[p][BOARD_WIDTH-2] < 0)
8588 board[p][BOARD_WIDTH-2] = 0;
8589 } else { /* black drop */
8590 p -= (int)BlackPawn;
8591 p = PieceToNumber((ChessSquare)p);
8592 if(p >= gameInfo.holdingsSize) p = 0;
8593 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8594 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8595 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8596 board[BOARD_HEIGHT-1-p][1] = 0;
8599 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8600 && gameInfo.variant != VariantBughouse ) {
8601 /* [HGM] holdings: Add to holdings, if holdings exist */
8602 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8603 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8604 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8607 if (p >= (int) BlackPawn) {
8608 p -= (int)BlackPawn;
8609 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8610 /* in Shogi restore piece to its original first */
8611 captured = (ChessSquare) (DEMOTED captured);
8614 p = PieceToNumber((ChessSquare)p);
8615 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8616 board[p][BOARD_WIDTH-2]++;
8617 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8619 p -= (int)WhitePawn;
8620 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8621 captured = (ChessSquare) (DEMOTED captured);
8624 p = PieceToNumber((ChessSquare)p);
8625 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8626 board[BOARD_HEIGHT-1-p][1]++;
8627 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8630 } else if (gameInfo.variant == VariantAtomic) {
8631 if (captured != EmptySquare) {
8633 for (y = toY-1; y <= toY+1; y++) {
8634 for (x = toX-1; x <= toX+1; x++) {
8635 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8636 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8637 board[y][x] = EmptySquare;
8641 board[toY][toX] = EmptySquare;
8644 if(promoChar == '+') {
8645 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8646 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8647 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8648 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8650 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8651 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8652 // [HGM] superchess: take promotion piece out of holdings
8653 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8654 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8655 if(!--board[k][BOARD_WIDTH-2])
8656 board[k][BOARD_WIDTH-1] = EmptySquare;
8658 if(!--board[BOARD_HEIGHT-1-k][1])
8659 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8665 /* Updates forwardMostMove */
8667 MakeMove(fromX, fromY, toX, toY, promoChar)
8668 int fromX, fromY, toX, toY;
8671 // forwardMostMove++; // [HGM] bare: moved downstream
8673 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8674 int timeLeft; static int lastLoadFlag=0; int king, piece;
8675 piece = boards[forwardMostMove][fromY][fromX];
8676 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8677 if(gameInfo.variant == VariantKnightmate)
8678 king += (int) WhiteUnicorn - (int) WhiteKing;
8679 if(forwardMostMove == 0) {
8681 fprintf(serverMoves, "%s;", second.tidy);
8682 fprintf(serverMoves, "%s;", first.tidy);
8683 if(!blackPlaysFirst)
8684 fprintf(serverMoves, "%s;", second.tidy);
8685 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8686 lastLoadFlag = loadFlag;
8688 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8689 // print castling suffix
8690 if( toY == fromY && piece == king ) {
8692 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8694 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8697 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8698 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8699 boards[forwardMostMove][toY][toX] == EmptySquare
8700 && fromX != toX && fromY != toY)
8701 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8703 if(promoChar != NULLCHAR)
8704 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8706 fprintf(serverMoves, "/%d/%d",
8707 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8708 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8709 else timeLeft = blackTimeRemaining/1000;
8710 fprintf(serverMoves, "/%d", timeLeft);
8712 fflush(serverMoves);
8715 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8716 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8720 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8721 if (commentList[forwardMostMove+1] != NULL) {
8722 free(commentList[forwardMostMove+1]);
8723 commentList[forwardMostMove+1] = NULL;
8725 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8726 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8727 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8728 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8729 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8730 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8731 gameInfo.result = GameUnfinished;
8732 if (gameInfo.resultDetails != NULL) {
8733 free(gameInfo.resultDetails);
8734 gameInfo.resultDetails = NULL;
8736 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8737 moveList[forwardMostMove - 1]);
8738 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8739 PosFlags(forwardMostMove - 1),
8740 fromY, fromX, toY, toX, promoChar,
8741 parseList[forwardMostMove - 1]);
8742 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8748 if(gameInfo.variant != VariantShogi)
8749 strcat(parseList[forwardMostMove - 1], "+");
8753 strcat(parseList[forwardMostMove - 1], "#");
8756 if (appData.debugMode) {
8757 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8762 /* Updates currentMove if not pausing */
8764 ShowMove(fromX, fromY, toX, toY)
8766 int instant = (gameMode == PlayFromGameFile) ?
8767 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8768 if(appData.noGUI) return;
8769 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8771 if (forwardMostMove == currentMove + 1) {
8772 AnimateMove(boards[forwardMostMove - 1],
8773 fromX, fromY, toX, toY);
8775 if (appData.highlightLastMove) {
8776 SetHighlights(fromX, fromY, toX, toY);
8779 currentMove = forwardMostMove;
8782 if (instant) return;
8784 DisplayMove(currentMove - 1);
8785 DrawPosition(FALSE, boards[currentMove]);
8786 DisplayBothClocks();
8787 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8790 void SendEgtPath(ChessProgramState *cps)
8791 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8792 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8794 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8797 char c, *q = name+1, *r, *s;
8799 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8800 while(*p && *p != ',') *q++ = *p++;
8802 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8803 strcmp(name, ",nalimov:") == 0 ) {
8804 // take nalimov path from the menu-changeable option first, if it is defined
8805 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8806 SendToProgram(buf,cps); // send egtbpath command for nalimov
8808 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8809 (s = StrStr(appData.egtFormats, name)) != NULL) {
8810 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8811 s = r = StrStr(s, ":") + 1; // beginning of path info
8812 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8813 c = *r; *r = 0; // temporarily null-terminate path info
8814 *--q = 0; // strip of trailig ':' from name
8815 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8817 SendToProgram(buf,cps); // send egtbpath command for this format
8819 if(*p == ',') p++; // read away comma to position for next format name
8824 InitChessProgram(cps, setup)
8825 ChessProgramState *cps;
8826 int setup; /* [HGM] needed to setup FRC opening position */
8828 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8829 if (appData.noChessProgram) return;
8830 hintRequested = FALSE;
8831 bookRequested = FALSE;
8833 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8834 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8835 if(cps->memSize) { /* [HGM] memory */
8836 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8837 SendToProgram(buf, cps);
8839 SendEgtPath(cps); /* [HGM] EGT */
8840 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8841 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8842 SendToProgram(buf, cps);
8845 SendToProgram(cps->initString, cps);
8846 if (gameInfo.variant != VariantNormal &&
8847 gameInfo.variant != VariantLoadable
8848 /* [HGM] also send variant if board size non-standard */
8849 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8851 char *v = VariantName(gameInfo.variant);
8852 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8853 /* [HGM] in protocol 1 we have to assume all variants valid */
8854 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8855 DisplayFatalError(buf, 0, 1);
8859 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8860 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8861 if( gameInfo.variant == VariantXiangqi )
8862 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8863 if( gameInfo.variant == VariantShogi )
8864 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8865 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8866 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8867 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8868 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8869 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8870 if( gameInfo.variant == VariantCourier )
8871 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8872 if( gameInfo.variant == VariantSuper )
8873 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8874 if( gameInfo.variant == VariantGreat )
8875 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8878 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8879 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8880 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8881 if(StrStr(cps->variants, b) == NULL) {
8882 // specific sized variant not known, check if general sizing allowed
8883 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8884 if(StrStr(cps->variants, "boardsize") == NULL) {
8885 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8886 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8887 DisplayFatalError(buf, 0, 1);
8890 /* [HGM] here we really should compare with the maximum supported board size */
8893 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8894 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8895 SendToProgram(buf, cps);
8897 currentlyInitializedVariant = gameInfo.variant;
8899 /* [HGM] send opening position in FRC to first engine */
8901 SendToProgram("force\n", cps);
8903 /* engine is now in force mode! Set flag to wake it up after first move. */
8904 setboardSpoiledMachineBlack = 1;
8908 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8909 SendToProgram(buf, cps);
8911 cps->maybeThinking = FALSE;
8912 cps->offeredDraw = 0;
8913 if (!appData.icsActive) {
8914 SendTimeControl(cps, movesPerSession, timeControl,
8915 timeIncrement, appData.searchDepth,
8918 if (appData.showThinking
8919 // [HGM] thinking: four options require thinking output to be sent
8920 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8922 SendToProgram("post\n", cps);
8924 SendToProgram("hard\n", cps);
8925 if (!appData.ponderNextMove) {
8926 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8927 it without being sure what state we are in first. "hard"
8928 is not a toggle, so that one is OK.
8930 SendToProgram("easy\n", cps);
8933 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8934 SendToProgram(buf, cps);
8936 cps->initDone = TRUE;
8941 StartChessProgram(cps)
8942 ChessProgramState *cps;
8947 if (appData.noChessProgram) return;
8948 cps->initDone = FALSE;
8950 if (strcmp(cps->host, "localhost") == 0) {
8951 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8952 } else if (*appData.remoteShell == NULLCHAR) {
8953 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8955 if (*appData.remoteUser == NULLCHAR) {
8956 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8959 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8960 cps->host, appData.remoteUser, cps->program);
8962 err = StartChildProcess(buf, "", &cps->pr);
8966 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8967 DisplayFatalError(buf, err, 1);
8973 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8974 if (cps->protocolVersion > 1) {
8975 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8976 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8977 cps->comboCnt = 0; // and values of combo boxes
8978 SendToProgram(buf, cps);
8980 SendToProgram("xboard\n", cps);
8986 TwoMachinesEventIfReady P((void))
8988 if (first.lastPing != first.lastPong) {
8989 DisplayMessage("", _("Waiting for first chess program"));
8990 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8993 if (second.lastPing != second.lastPong) {
8994 DisplayMessage("", _("Waiting for second chess program"));
8995 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9003 NextMatchGame P((void))
9005 int index; /* [HGM] autoinc: step load index during match */
9007 if (*appData.loadGameFile != NULLCHAR) {
9008 index = appData.loadGameIndex;
9009 if(index < 0) { // [HGM] autoinc
9010 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9011 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9013 LoadGameFromFile(appData.loadGameFile,
9015 appData.loadGameFile, FALSE);
9016 } else if (*appData.loadPositionFile != NULLCHAR) {
9017 index = appData.loadPositionIndex;
9018 if(index < 0) { // [HGM] autoinc
9019 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9020 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9022 LoadPositionFromFile(appData.loadPositionFile,
9024 appData.loadPositionFile);
9026 TwoMachinesEventIfReady();
9029 void UserAdjudicationEvent( int result )
9031 ChessMove gameResult = GameIsDrawn;
9034 gameResult = WhiteWins;
9036 else if( result < 0 ) {
9037 gameResult = BlackWins;
9040 if( gameMode == TwoMachinesPlay ) {
9041 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9046 // [HGM] save: calculate checksum of game to make games easily identifiable
9047 int StringCheckSum(char *s)
9050 if(s==NULL) return 0;
9051 while(*s) i = i*259 + *s++;
9058 for(i=backwardMostMove; i<forwardMostMove; i++) {
9059 sum += pvInfoList[i].depth;
9060 sum += StringCheckSum(parseList[i]);
9061 sum += StringCheckSum(commentList[i]);
9064 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9065 return sum + StringCheckSum(commentList[i]);
9066 } // end of save patch
9069 GameEnds(result, resultDetails, whosays)
9071 char *resultDetails;
9074 GameMode nextGameMode;
9076 char buf[MSG_SIZ], popupRequested = 0;
9078 if(endingGame) return; /* [HGM] crash: forbid recursion */
9080 if(twoBoards) { // [HGM] dual: switch back to one board
9081 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9082 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9084 if (appData.debugMode) {
9085 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9086 result, resultDetails ? resultDetails : "(null)", whosays);
9089 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9091 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9092 /* If we are playing on ICS, the server decides when the
9093 game is over, but the engine can offer to draw, claim
9097 if (appData.zippyPlay && first.initDone) {
9098 if (result == GameIsDrawn) {
9099 /* In case draw still needs to be claimed */
9100 SendToICS(ics_prefix);
9101 SendToICS("draw\n");
9102 } else if (StrCaseStr(resultDetails, "resign")) {
9103 SendToICS(ics_prefix);
9104 SendToICS("resign\n");
9108 endingGame = 0; /* [HGM] crash */
9112 /* If we're loading the game from a file, stop */
9113 if (whosays == GE_FILE) {
9114 (void) StopLoadGameTimer();
9118 /* Cancel draw offers */
9119 first.offeredDraw = second.offeredDraw = 0;
9121 /* If this is an ICS game, only ICS can really say it's done;
9122 if not, anyone can. */
9123 isIcsGame = (gameMode == IcsPlayingWhite ||
9124 gameMode == IcsPlayingBlack ||
9125 gameMode == IcsObserving ||
9126 gameMode == IcsExamining);
9128 if (!isIcsGame || whosays == GE_ICS) {
9129 /* OK -- not an ICS game, or ICS said it was done */
9131 if (!isIcsGame && !appData.noChessProgram)
9132 SetUserThinkingEnables();
9134 /* [HGM] if a machine claims the game end we verify this claim */
9135 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9136 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9138 ChessMove trueResult = (ChessMove) -1;
9140 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9141 first.twoMachinesColor[0] :
9142 second.twoMachinesColor[0] ;
9144 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9145 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9146 /* [HGM] verify: engine mate claims accepted if they were flagged */
9147 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9149 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9150 /* [HGM] verify: engine mate claims accepted if they were flagged */
9151 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9153 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9154 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9157 // now verify win claims, but not in drop games, as we don't understand those yet
9158 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9159 || gameInfo.variant == VariantGreat) &&
9160 (result == WhiteWins && claimer == 'w' ||
9161 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9162 if (appData.debugMode) {
9163 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9164 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9166 if(result != trueResult) {
9167 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9168 result = claimer == 'w' ? BlackWins : WhiteWins;
9169 resultDetails = buf;
9172 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9173 && (forwardMostMove <= backwardMostMove ||
9174 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9175 (claimer=='b')==(forwardMostMove&1))
9177 /* [HGM] verify: draws that were not flagged are false claims */
9178 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9179 result = claimer == 'w' ? BlackWins : WhiteWins;
9180 resultDetails = buf;
9182 /* (Claiming a loss is accepted no questions asked!) */
9184 /* [HGM] bare: don't allow bare King to win */
9185 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9186 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9187 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9188 && result != GameIsDrawn)
9189 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9190 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9191 int p = (signed char)boards[forwardMostMove][i][j] - color;
9192 if(p >= 0 && p <= (int)WhiteKing) k++;
9194 if (appData.debugMode) {
9195 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9196 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9199 result = GameIsDrawn;
9200 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9201 resultDetails = buf;
9207 if(serverMoves != NULL && !loadFlag) { char c = '=';
9208 if(result==WhiteWins) c = '+';
9209 if(result==BlackWins) c = '-';
9210 if(resultDetails != NULL)
9211 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9213 if (resultDetails != NULL) {
9214 gameInfo.result = result;
9215 gameInfo.resultDetails = StrSave(resultDetails);
9217 /* display last move only if game was not loaded from file */
9218 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9219 DisplayMove(currentMove - 1);
9221 if (forwardMostMove != 0) {
9222 if (gameMode != PlayFromGameFile && gameMode != EditGame
9223 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9225 if (*appData.saveGameFile != NULLCHAR) {
9226 SaveGameToFile(appData.saveGameFile, TRUE);
9227 } else if (appData.autoSaveGames) {
9230 if (*appData.savePositionFile != NULLCHAR) {
9231 SavePositionToFile(appData.savePositionFile);
9236 /* Tell program how game ended in case it is learning */
9237 /* [HGM] Moved this to after saving the PGN, just in case */
9238 /* engine died and we got here through time loss. In that */
9239 /* case we will get a fatal error writing the pipe, which */
9240 /* would otherwise lose us the PGN. */
9241 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9242 /* output during GameEnds should never be fatal anymore */
9243 if (gameMode == MachinePlaysWhite ||
9244 gameMode == MachinePlaysBlack ||
9245 gameMode == TwoMachinesPlay ||
9246 gameMode == IcsPlayingWhite ||
9247 gameMode == IcsPlayingBlack ||
9248 gameMode == BeginningOfGame) {
9250 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9252 if (first.pr != NoProc) {
9253 SendToProgram(buf, &first);
9255 if (second.pr != NoProc &&
9256 gameMode == TwoMachinesPlay) {
9257 SendToProgram(buf, &second);
9262 if (appData.icsActive) {
9263 if (appData.quietPlay &&
9264 (gameMode == IcsPlayingWhite ||
9265 gameMode == IcsPlayingBlack)) {
9266 SendToICS(ics_prefix);
9267 SendToICS("set shout 1\n");
9269 nextGameMode = IcsIdle;
9270 ics_user_moved = FALSE;
9271 /* clean up premove. It's ugly when the game has ended and the
9272 * premove highlights are still on the board.
9276 ClearPremoveHighlights();
9277 DrawPosition(FALSE, boards[currentMove]);
9279 if (whosays == GE_ICS) {
9282 if (gameMode == IcsPlayingWhite)
9284 else if(gameMode == IcsPlayingBlack)
9288 if (gameMode == IcsPlayingBlack)
9290 else if(gameMode == IcsPlayingWhite)
9297 PlayIcsUnfinishedSound();
9300 } else if (gameMode == EditGame ||
9301 gameMode == PlayFromGameFile ||
9302 gameMode == AnalyzeMode ||
9303 gameMode == AnalyzeFile) {
9304 nextGameMode = gameMode;
9306 nextGameMode = EndOfGame;
9311 nextGameMode = gameMode;
9314 if (appData.noChessProgram) {
9315 gameMode = nextGameMode;
9317 endingGame = 0; /* [HGM] crash */
9322 /* Put first chess program into idle state */
9323 if (first.pr != NoProc &&
9324 (gameMode == MachinePlaysWhite ||
9325 gameMode == MachinePlaysBlack ||
9326 gameMode == TwoMachinesPlay ||
9327 gameMode == IcsPlayingWhite ||
9328 gameMode == IcsPlayingBlack ||
9329 gameMode == BeginningOfGame)) {
9330 SendToProgram("force\n", &first);
9331 if (first.usePing) {
9333 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9334 SendToProgram(buf, &first);
9337 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9338 /* Kill off first chess program */
9339 if (first.isr != NULL)
9340 RemoveInputSource(first.isr);
9343 if (first.pr != NoProc) {
9345 DoSleep( appData.delayBeforeQuit );
9346 SendToProgram("quit\n", &first);
9347 DoSleep( appData.delayAfterQuit );
9348 DestroyChildProcess(first.pr, first.useSigterm);
9353 /* Put second chess program into idle state */
9354 if (second.pr != NoProc &&
9355 gameMode == TwoMachinesPlay) {
9356 SendToProgram("force\n", &second);
9357 if (second.usePing) {
9359 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9360 SendToProgram(buf, &second);
9363 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9364 /* Kill off second chess program */
9365 if (second.isr != NULL)
9366 RemoveInputSource(second.isr);
9369 if (second.pr != NoProc) {
9370 DoSleep( appData.delayBeforeQuit );
9371 SendToProgram("quit\n", &second);
9372 DoSleep( appData.delayAfterQuit );
9373 DestroyChildProcess(second.pr, second.useSigterm);
9378 if (matchMode && gameMode == TwoMachinesPlay) {
9381 if (first.twoMachinesColor[0] == 'w') {
9388 if (first.twoMachinesColor[0] == 'b') {
9397 if (matchGame < appData.matchGames) {
9399 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9400 tmp = first.twoMachinesColor;
9401 first.twoMachinesColor = second.twoMachinesColor;
9402 second.twoMachinesColor = tmp;
9404 gameMode = nextGameMode;
9406 if(appData.matchPause>10000 || appData.matchPause<10)
9407 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9408 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9409 endingGame = 0; /* [HGM] crash */
9412 gameMode = nextGameMode;
9413 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9414 first.tidy, second.tidy,
9415 first.matchWins, second.matchWins,
9416 appData.matchGames - (first.matchWins + second.matchWins));
9417 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9420 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9421 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9423 gameMode = nextGameMode;
9425 endingGame = 0; /* [HGM] crash */
9426 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9427 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9428 matchMode = FALSE; appData.matchGames = matchGame = 0;
9434 /* Assumes program was just initialized (initString sent).
9435 Leaves program in force mode. */
9437 FeedMovesToProgram(cps, upto)
9438 ChessProgramState *cps;
9443 if (appData.debugMode)
9444 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9445 startedFromSetupPosition ? "position and " : "",
9446 backwardMostMove, upto, cps->which);
9447 if(currentlyInitializedVariant != gameInfo.variant) {
9449 // [HGM] variantswitch: make engine aware of new variant
9450 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9451 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9452 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9453 SendToProgram(buf, cps);
9454 currentlyInitializedVariant = gameInfo.variant;
9456 SendToProgram("force\n", cps);
9457 if (startedFromSetupPosition) {
9458 SendBoard(cps, backwardMostMove);
9459 if (appData.debugMode) {
9460 fprintf(debugFP, "feedMoves\n");
9463 for (i = backwardMostMove; i < upto; i++) {
9464 SendMoveToProgram(i, cps);
9470 ResurrectChessProgram()
9472 /* The chess program may have exited.
9473 If so, restart it and feed it all the moves made so far. */
9475 if (appData.noChessProgram || first.pr != NoProc) return;
9477 StartChessProgram(&first);
9478 InitChessProgram(&first, FALSE);
9479 FeedMovesToProgram(&first, currentMove);
9481 if (!first.sendTime) {
9482 /* can't tell gnuchess what its clock should read,
9483 so we bow to its notion. */
9485 timeRemaining[0][currentMove] = whiteTimeRemaining;
9486 timeRemaining[1][currentMove] = blackTimeRemaining;
9489 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9490 appData.icsEngineAnalyze) && first.analysisSupport) {
9491 SendToProgram("analyze\n", &first);
9492 first.analyzing = TRUE;
9505 if (appData.debugMode) {
9506 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9507 redraw, init, gameMode);
9509 CleanupTail(); // [HGM] vari: delete any stored variations
9510 pausing = pauseExamInvalid = FALSE;
9511 startedFromSetupPosition = blackPlaysFirst = FALSE;
9513 whiteFlag = blackFlag = FALSE;
9514 userOfferedDraw = FALSE;
9515 hintRequested = bookRequested = FALSE;
9516 first.maybeThinking = FALSE;
9517 second.maybeThinking = FALSE;
9518 first.bookSuspend = FALSE; // [HGM] book
9519 second.bookSuspend = FALSE;
9520 thinkOutput[0] = NULLCHAR;
9521 lastHint[0] = NULLCHAR;
9522 ClearGameInfo(&gameInfo);
9523 gameInfo.variant = StringToVariant(appData.variant);
9524 ics_user_moved = ics_clock_paused = FALSE;
9525 ics_getting_history = H_FALSE;
9527 white_holding[0] = black_holding[0] = NULLCHAR;
9528 ClearProgramStats();
9529 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9533 flipView = appData.flipView;
9534 ClearPremoveHighlights();
9536 alarmSounded = FALSE;
9538 GameEnds(EndOfFile, NULL, GE_PLAYER);
9539 if(appData.serverMovesName != NULL) {
9540 /* [HGM] prepare to make moves file for broadcasting */
9541 clock_t t = clock();
9542 if(serverMoves != NULL) fclose(serverMoves);
9543 serverMoves = fopen(appData.serverMovesName, "r");
9544 if(serverMoves != NULL) {
9545 fclose(serverMoves);
9546 /* delay 15 sec before overwriting, so all clients can see end */
9547 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9549 serverMoves = fopen(appData.serverMovesName, "w");
9553 gameMode = BeginningOfGame;
9555 if(appData.icsActive) gameInfo.variant = VariantNormal;
9556 currentMove = forwardMostMove = backwardMostMove = 0;
9557 InitPosition(redraw);
9558 for (i = 0; i < MAX_MOVES; i++) {
9559 if (commentList[i] != NULL) {
9560 free(commentList[i]);
9561 commentList[i] = NULL;
9565 timeRemaining[0][0] = whiteTimeRemaining;
9566 timeRemaining[1][0] = blackTimeRemaining;
9567 if (first.pr == NULL) {
9568 StartChessProgram(&first);
9571 InitChessProgram(&first, startedFromSetupPosition);
9574 DisplayMessage("", "");
9575 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9576 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9583 if (!AutoPlayOneMove())
9585 if (matchMode || appData.timeDelay == 0)
9587 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9589 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9598 int fromX, fromY, toX, toY;
9600 if (appData.debugMode) {
9601 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9604 if (gameMode != PlayFromGameFile)
9607 if (currentMove >= forwardMostMove) {
9608 gameMode = EditGame;
9611 /* [AS] Clear current move marker at the end of a game */
9612 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9617 toX = moveList[currentMove][2] - AAA;
9618 toY = moveList[currentMove][3] - ONE;
9620 if (moveList[currentMove][1] == '@') {
9621 if (appData.highlightLastMove) {
9622 SetHighlights(-1, -1, toX, toY);
9625 fromX = moveList[currentMove][0] - AAA;
9626 fromY = moveList[currentMove][1] - ONE;
9628 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9630 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9632 if (appData.highlightLastMove) {
9633 SetHighlights(fromX, fromY, toX, toY);
9636 DisplayMove(currentMove);
9637 SendMoveToProgram(currentMove++, &first);
9638 DisplayBothClocks();
9639 DrawPosition(FALSE, boards[currentMove]);
9640 // [HGM] PV info: always display, routine tests if empty
9641 DisplayComment(currentMove - 1, commentList[currentMove]);
9647 LoadGameOneMove(readAhead)
9648 ChessMove readAhead;
9650 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9651 char promoChar = NULLCHAR;
9656 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9657 gameMode != AnalyzeMode && gameMode != Training) {
9662 yyboardindex = forwardMostMove;
9663 if (readAhead != EndOfFile) {
9664 moveType = readAhead;
9666 if (gameFileFP == NULL)
9668 moveType = (ChessMove) yylex();
9674 if (appData.debugMode)
9675 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9678 /* append the comment but don't display it */
9679 AppendComment(currentMove, p, FALSE);
9682 case WhiteCapturesEnPassant:
9683 case BlackCapturesEnPassant:
9684 case WhitePromotion:
9685 case BlackPromotion:
9686 case WhiteNonPromotion:
9687 case BlackNonPromotion:
9689 case WhiteKingSideCastle:
9690 case WhiteQueenSideCastle:
9691 case BlackKingSideCastle:
9692 case BlackQueenSideCastle:
9693 case WhiteKingSideCastleWild:
9694 case WhiteQueenSideCastleWild:
9695 case BlackKingSideCastleWild:
9696 case BlackQueenSideCastleWild:
9698 case WhiteHSideCastleFR:
9699 case WhiteASideCastleFR:
9700 case BlackHSideCastleFR:
9701 case BlackASideCastleFR:
9703 if (appData.debugMode)
9704 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9705 fromX = currentMoveString[0] - AAA;
9706 fromY = currentMoveString[1] - ONE;
9707 toX = currentMoveString[2] - AAA;
9708 toY = currentMoveString[3] - ONE;
9709 promoChar = currentMoveString[4];
9714 if (appData.debugMode)
9715 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9716 fromX = moveType == WhiteDrop ?
9717 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9718 (int) CharToPiece(ToLower(currentMoveString[0]));
9720 toX = currentMoveString[2] - AAA;
9721 toY = currentMoveString[3] - ONE;
9727 case GameUnfinished:
9728 if (appData.debugMode)
9729 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9730 p = strchr(yy_text, '{');
9731 if (p == NULL) p = strchr(yy_text, '(');
9734 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9736 q = strchr(p, *p == '{' ? '}' : ')');
9737 if (q != NULL) *q = NULLCHAR;
9740 GameEnds(moveType, p, GE_FILE);
9742 if (cmailMsgLoaded) {
9744 flipView = WhiteOnMove(currentMove);
9745 if (moveType == GameUnfinished) flipView = !flipView;
9746 if (appData.debugMode)
9747 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9752 if (appData.debugMode)
9753 fprintf(debugFP, "Parser hit end of file\n");
9754 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9760 if (WhiteOnMove(currentMove)) {
9761 GameEnds(BlackWins, "Black mates", GE_FILE);
9763 GameEnds(WhiteWins, "White mates", GE_FILE);
9767 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9774 if (lastLoadGameStart == GNUChessGame) {
9775 /* GNUChessGames have numbers, but they aren't move numbers */
9776 if (appData.debugMode)
9777 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9778 yy_text, (int) moveType);
9779 return LoadGameOneMove(EndOfFile); /* tail recursion */
9781 /* else fall thru */
9786 /* Reached start of next game in file */
9787 if (appData.debugMode)
9788 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9789 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9795 if (WhiteOnMove(currentMove)) {
9796 GameEnds(BlackWins, "Black mates", GE_FILE);
9798 GameEnds(WhiteWins, "White mates", GE_FILE);
9802 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9808 case PositionDiagram: /* should not happen; ignore */
9809 case ElapsedTime: /* ignore */
9810 case NAG: /* ignore */
9811 if (appData.debugMode)
9812 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9813 yy_text, (int) moveType);
9814 return LoadGameOneMove(EndOfFile); /* tail recursion */
9817 if (appData.testLegality) {
9818 if (appData.debugMode)
9819 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9820 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9821 (forwardMostMove / 2) + 1,
9822 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9823 DisplayError(move, 0);
9826 if (appData.debugMode)
9827 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9828 yy_text, currentMoveString);
9829 fromX = currentMoveString[0] - AAA;
9830 fromY = currentMoveString[1] - ONE;
9831 toX = currentMoveString[2] - AAA;
9832 toY = currentMoveString[3] - ONE;
9833 promoChar = currentMoveString[4];
9838 if (appData.debugMode)
9839 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9840 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9841 (forwardMostMove / 2) + 1,
9842 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9843 DisplayError(move, 0);
9848 case ImpossibleMove:
9849 if (appData.debugMode)
9850 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9851 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9852 (forwardMostMove / 2) + 1,
9853 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9854 DisplayError(move, 0);
9860 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9861 DrawPosition(FALSE, boards[currentMove]);
9862 DisplayBothClocks();
9863 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9864 DisplayComment(currentMove - 1, commentList[currentMove]);
9866 (void) StopLoadGameTimer();
9868 cmailOldMove = forwardMostMove;
9871 /* currentMoveString is set as a side-effect of yylex */
9872 strcat(currentMoveString, "\n");
9873 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9875 thinkOutput[0] = NULLCHAR;
9876 MakeMove(fromX, fromY, toX, toY, promoChar);
9877 currentMove = forwardMostMove;
9882 /* Load the nth game from the given file */
9884 LoadGameFromFile(filename, n, title, useList)
9888 /*Boolean*/ int useList;
9893 if (strcmp(filename, "-") == 0) {
9897 f = fopen(filename, "rb");
9899 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9900 DisplayError(buf, errno);
9904 if (fseek(f, 0, 0) == -1) {
9905 /* f is not seekable; probably a pipe */
9908 if (useList && n == 0) {
9909 int error = GameListBuild(f);
9911 DisplayError(_("Cannot build game list"), error);
9912 } else if (!ListEmpty(&gameList) &&
9913 ((ListGame *) gameList.tailPred)->number > 1) {
9914 GameListPopUp(f, title);
9921 return LoadGame(f, n, title, FALSE);
9926 MakeRegisteredMove()
9928 int fromX, fromY, toX, toY;
9930 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9931 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9934 if (appData.debugMode)
9935 fprintf(debugFP, "Restoring %s for game %d\n",
9936 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9938 thinkOutput[0] = NULLCHAR;
9939 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9940 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9941 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9942 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9943 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9944 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9945 MakeMove(fromX, fromY, toX, toY, promoChar);
9946 ShowMove(fromX, fromY, toX, toY);
9948 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9955 if (WhiteOnMove(currentMove)) {
9956 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9958 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9963 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9970 if (WhiteOnMove(currentMove)) {
9971 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9973 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9978 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9989 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9991 CmailLoadGame(f, gameNumber, title, useList)
9999 if (gameNumber > nCmailGames) {
10000 DisplayError(_("No more games in this message"), 0);
10003 if (f == lastLoadGameFP) {
10004 int offset = gameNumber - lastLoadGameNumber;
10006 cmailMsg[0] = NULLCHAR;
10007 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10008 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10009 nCmailMovesRegistered--;
10011 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10012 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10013 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10016 if (! RegisterMove()) return FALSE;
10020 retVal = LoadGame(f, gameNumber, title, useList);
10022 /* Make move registered during previous look at this game, if any */
10023 MakeRegisteredMove();
10025 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10026 commentList[currentMove]
10027 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10028 DisplayComment(currentMove - 1, commentList[currentMove]);
10034 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10039 int gameNumber = lastLoadGameNumber + offset;
10040 if (lastLoadGameFP == NULL) {
10041 DisplayError(_("No game has been loaded yet"), 0);
10044 if (gameNumber <= 0) {
10045 DisplayError(_("Can't back up any further"), 0);
10048 if (cmailMsgLoaded) {
10049 return CmailLoadGame(lastLoadGameFP, gameNumber,
10050 lastLoadGameTitle, lastLoadGameUseList);
10052 return LoadGame(lastLoadGameFP, gameNumber,
10053 lastLoadGameTitle, lastLoadGameUseList);
10059 /* Load the nth game from open file f */
10061 LoadGame(f, gameNumber, title, useList)
10069 int gn = gameNumber;
10070 ListGame *lg = NULL;
10071 int numPGNTags = 0;
10073 GameMode oldGameMode;
10074 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10076 if (appData.debugMode)
10077 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10079 if (gameMode == Training )
10080 SetTrainingModeOff();
10082 oldGameMode = gameMode;
10083 if (gameMode != BeginningOfGame) {
10084 Reset(FALSE, TRUE);
10088 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10089 fclose(lastLoadGameFP);
10093 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10096 fseek(f, lg->offset, 0);
10097 GameListHighlight(gameNumber);
10101 DisplayError(_("Game number out of range"), 0);
10106 if (fseek(f, 0, 0) == -1) {
10107 if (f == lastLoadGameFP ?
10108 gameNumber == lastLoadGameNumber + 1 :
10112 DisplayError(_("Can't seek on game file"), 0);
10117 lastLoadGameFP = f;
10118 lastLoadGameNumber = gameNumber;
10119 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10120 lastLoadGameUseList = useList;
10124 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10125 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10126 lg->gameInfo.black);
10128 } else if (*title != NULLCHAR) {
10129 if (gameNumber > 1) {
10130 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10133 DisplayTitle(title);
10137 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10138 gameMode = PlayFromGameFile;
10142 currentMove = forwardMostMove = backwardMostMove = 0;
10143 CopyBoard(boards[0], initialPosition);
10147 * Skip the first gn-1 games in the file.
10148 * Also skip over anything that precedes an identifiable
10149 * start of game marker, to avoid being confused by
10150 * garbage at the start of the file. Currently
10151 * recognized start of game markers are the move number "1",
10152 * the pattern "gnuchess .* game", the pattern
10153 * "^[#;%] [^ ]* game file", and a PGN tag block.
10154 * A game that starts with one of the latter two patterns
10155 * will also have a move number 1, possibly
10156 * following a position diagram.
10157 * 5-4-02: Let's try being more lenient and allowing a game to
10158 * start with an unnumbered move. Does that break anything?
10160 cm = lastLoadGameStart = EndOfFile;
10162 yyboardindex = forwardMostMove;
10163 cm = (ChessMove) yylex();
10166 if (cmailMsgLoaded) {
10167 nCmailGames = CMAIL_MAX_GAMES - gn;
10170 DisplayError(_("Game not found in file"), 0);
10177 lastLoadGameStart = cm;
10180 case MoveNumberOne:
10181 switch (lastLoadGameStart) {
10186 case MoveNumberOne:
10188 gn--; /* count this game */
10189 lastLoadGameStart = cm;
10198 switch (lastLoadGameStart) {
10201 case MoveNumberOne:
10203 gn--; /* count this game */
10204 lastLoadGameStart = cm;
10207 lastLoadGameStart = cm; /* game counted already */
10215 yyboardindex = forwardMostMove;
10216 cm = (ChessMove) yylex();
10217 } while (cm == PGNTag || cm == Comment);
10224 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10225 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10226 != CMAIL_OLD_RESULT) {
10228 cmailResult[ CMAIL_MAX_GAMES
10229 - gn - 1] = CMAIL_OLD_RESULT;
10235 /* Only a NormalMove can be at the start of a game
10236 * without a position diagram. */
10237 if (lastLoadGameStart == EndOfFile ) {
10239 lastLoadGameStart = MoveNumberOne;
10248 if (appData.debugMode)
10249 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10251 if (cm == XBoardGame) {
10252 /* Skip any header junk before position diagram and/or move 1 */
10254 yyboardindex = forwardMostMove;
10255 cm = (ChessMove) yylex();
10257 if (cm == EndOfFile ||
10258 cm == GNUChessGame || cm == XBoardGame) {
10259 /* Empty game; pretend end-of-file and handle later */
10264 if (cm == MoveNumberOne || cm == PositionDiagram ||
10265 cm == PGNTag || cm == Comment)
10268 } else if (cm == GNUChessGame) {
10269 if (gameInfo.event != NULL) {
10270 free(gameInfo.event);
10272 gameInfo.event = StrSave(yy_text);
10275 startedFromSetupPosition = FALSE;
10276 while (cm == PGNTag) {
10277 if (appData.debugMode)
10278 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10279 err = ParsePGNTag(yy_text, &gameInfo);
10280 if (!err) numPGNTags++;
10282 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10283 if(gameInfo.variant != oldVariant) {
10284 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10285 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10286 InitPosition(TRUE);
10287 oldVariant = gameInfo.variant;
10288 if (appData.debugMode)
10289 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10293 if (gameInfo.fen != NULL) {
10294 Board initial_position;
10295 startedFromSetupPosition = TRUE;
10296 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10298 DisplayError(_("Bad FEN position in file"), 0);
10301 CopyBoard(boards[0], initial_position);
10302 if (blackPlaysFirst) {
10303 currentMove = forwardMostMove = backwardMostMove = 1;
10304 CopyBoard(boards[1], initial_position);
10305 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10306 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10307 timeRemaining[0][1] = whiteTimeRemaining;
10308 timeRemaining[1][1] = blackTimeRemaining;
10309 if (commentList[0] != NULL) {
10310 commentList[1] = commentList[0];
10311 commentList[0] = NULL;
10314 currentMove = forwardMostMove = backwardMostMove = 0;
10316 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10318 initialRulePlies = FENrulePlies;
10319 for( i=0; i< nrCastlingRights; i++ )
10320 initialRights[i] = initial_position[CASTLING][i];
10322 yyboardindex = forwardMostMove;
10323 free(gameInfo.fen);
10324 gameInfo.fen = NULL;
10327 yyboardindex = forwardMostMove;
10328 cm = (ChessMove) yylex();
10330 /* Handle comments interspersed among the tags */
10331 while (cm == Comment) {
10333 if (appData.debugMode)
10334 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10336 AppendComment(currentMove, p, FALSE);
10337 yyboardindex = forwardMostMove;
10338 cm = (ChessMove) yylex();
10342 /* don't rely on existence of Event tag since if game was
10343 * pasted from clipboard the Event tag may not exist
10345 if (numPGNTags > 0){
10347 if (gameInfo.variant == VariantNormal) {
10348 VariantClass v = StringToVariant(gameInfo.event);
10349 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10350 if(v < VariantShogi) gameInfo.variant = v;
10353 if( appData.autoDisplayTags ) {
10354 tags = PGNTags(&gameInfo);
10355 TagsPopUp(tags, CmailMsg());
10360 /* Make something up, but don't display it now */
10365 if (cm == PositionDiagram) {
10368 Board initial_position;
10370 if (appData.debugMode)
10371 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10373 if (!startedFromSetupPosition) {
10375 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10376 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10386 initial_position[i][j++] = CharToPiece(*p);
10389 while (*p == ' ' || *p == '\t' ||
10390 *p == '\n' || *p == '\r') p++;
10392 if (strncmp(p, "black", strlen("black"))==0)
10393 blackPlaysFirst = TRUE;
10395 blackPlaysFirst = FALSE;
10396 startedFromSetupPosition = TRUE;
10398 CopyBoard(boards[0], initial_position);
10399 if (blackPlaysFirst) {
10400 currentMove = forwardMostMove = backwardMostMove = 1;
10401 CopyBoard(boards[1], initial_position);
10402 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10403 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10404 timeRemaining[0][1] = whiteTimeRemaining;
10405 timeRemaining[1][1] = blackTimeRemaining;
10406 if (commentList[0] != NULL) {
10407 commentList[1] = commentList[0];
10408 commentList[0] = NULL;
10411 currentMove = forwardMostMove = backwardMostMove = 0;
10414 yyboardindex = forwardMostMove;
10415 cm = (ChessMove) yylex();
10418 if (first.pr == NoProc) {
10419 StartChessProgram(&first);
10421 InitChessProgram(&first, FALSE);
10422 SendToProgram("force\n", &first);
10423 if (startedFromSetupPosition) {
10424 SendBoard(&first, forwardMostMove);
10425 if (appData.debugMode) {
10426 fprintf(debugFP, "Load Game\n");
10428 DisplayBothClocks();
10431 /* [HGM] server: flag to write setup moves in broadcast file as one */
10432 loadFlag = appData.suppressLoadMoves;
10434 while (cm == Comment) {
10436 if (appData.debugMode)
10437 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10439 AppendComment(currentMove, p, FALSE);
10440 yyboardindex = forwardMostMove;
10441 cm = (ChessMove) yylex();
10444 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10445 cm == WhiteWins || cm == BlackWins ||
10446 cm == GameIsDrawn || cm == GameUnfinished) {
10447 DisplayMessage("", _("No moves in game"));
10448 if (cmailMsgLoaded) {
10449 if (appData.debugMode)
10450 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10454 DrawPosition(FALSE, boards[currentMove]);
10455 DisplayBothClocks();
10456 gameMode = EditGame;
10463 // [HGM] PV info: routine tests if comment empty
10464 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10465 DisplayComment(currentMove - 1, commentList[currentMove]);
10467 if (!matchMode && appData.timeDelay != 0)
10468 DrawPosition(FALSE, boards[currentMove]);
10470 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10471 programStats.ok_to_send = 1;
10474 /* if the first token after the PGN tags is a move
10475 * and not move number 1, retrieve it from the parser
10477 if (cm != MoveNumberOne)
10478 LoadGameOneMove(cm);
10480 /* load the remaining moves from the file */
10481 while (LoadGameOneMove(EndOfFile)) {
10482 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10483 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10486 /* rewind to the start of the game */
10487 currentMove = backwardMostMove;
10489 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10491 if (oldGameMode == AnalyzeFile ||
10492 oldGameMode == AnalyzeMode) {
10493 AnalyzeFileEvent();
10496 if (matchMode || appData.timeDelay == 0) {
10498 gameMode = EditGame;
10500 } else if (appData.timeDelay > 0) {
10501 AutoPlayGameLoop();
10504 if (appData.debugMode)
10505 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10507 loadFlag = 0; /* [HGM] true game starts */
10511 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10513 ReloadPosition(offset)
10516 int positionNumber = lastLoadPositionNumber + offset;
10517 if (lastLoadPositionFP == NULL) {
10518 DisplayError(_("No position has been loaded yet"), 0);
10521 if (positionNumber <= 0) {
10522 DisplayError(_("Can't back up any further"), 0);
10525 return LoadPosition(lastLoadPositionFP, positionNumber,
10526 lastLoadPositionTitle);
10529 /* Load the nth position from the given file */
10531 LoadPositionFromFile(filename, n, title)
10539 if (strcmp(filename, "-") == 0) {
10540 return LoadPosition(stdin, n, "stdin");
10542 f = fopen(filename, "rb");
10544 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10545 DisplayError(buf, errno);
10548 return LoadPosition(f, n, title);
10553 /* Load the nth position from the given open file, and close it */
10555 LoadPosition(f, positionNumber, title)
10557 int positionNumber;
10560 char *p, line[MSG_SIZ];
10561 Board initial_position;
10562 int i, j, fenMode, pn;
10564 if (gameMode == Training )
10565 SetTrainingModeOff();
10567 if (gameMode != BeginningOfGame) {
10568 Reset(FALSE, TRUE);
10570 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10571 fclose(lastLoadPositionFP);
10573 if (positionNumber == 0) positionNumber = 1;
10574 lastLoadPositionFP = f;
10575 lastLoadPositionNumber = positionNumber;
10576 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10577 if (first.pr == NoProc) {
10578 StartChessProgram(&first);
10579 InitChessProgram(&first, FALSE);
10581 pn = positionNumber;
10582 if (positionNumber < 0) {
10583 /* Negative position number means to seek to that byte offset */
10584 if (fseek(f, -positionNumber, 0) == -1) {
10585 DisplayError(_("Can't seek on position file"), 0);
10590 if (fseek(f, 0, 0) == -1) {
10591 if (f == lastLoadPositionFP ?
10592 positionNumber == lastLoadPositionNumber + 1 :
10593 positionNumber == 1) {
10596 DisplayError(_("Can't seek on position file"), 0);
10601 /* See if this file is FEN or old-style xboard */
10602 if (fgets(line, MSG_SIZ, f) == NULL) {
10603 DisplayError(_("Position not found in file"), 0);
10606 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10607 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10610 if (fenMode || line[0] == '#') pn--;
10612 /* skip positions before number pn */
10613 if (fgets(line, MSG_SIZ, f) == NULL) {
10615 DisplayError(_("Position not found in file"), 0);
10618 if (fenMode || line[0] == '#') pn--;
10623 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10624 DisplayError(_("Bad FEN position in file"), 0);
10628 (void) fgets(line, MSG_SIZ, f);
10629 (void) fgets(line, MSG_SIZ, f);
10631 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10632 (void) fgets(line, MSG_SIZ, f);
10633 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10636 initial_position[i][j++] = CharToPiece(*p);
10640 blackPlaysFirst = FALSE;
10642 (void) fgets(line, MSG_SIZ, f);
10643 if (strncmp(line, "black", strlen("black"))==0)
10644 blackPlaysFirst = TRUE;
10647 startedFromSetupPosition = TRUE;
10649 SendToProgram("force\n", &first);
10650 CopyBoard(boards[0], initial_position);
10651 if (blackPlaysFirst) {
10652 currentMove = forwardMostMove = backwardMostMove = 1;
10653 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10654 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10655 CopyBoard(boards[1], initial_position);
10656 DisplayMessage("", _("Black to play"));
10658 currentMove = forwardMostMove = backwardMostMove = 0;
10659 DisplayMessage("", _("White to play"));
10661 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10662 SendBoard(&first, forwardMostMove);
10663 if (appData.debugMode) {
10665 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10666 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10667 fprintf(debugFP, "Load Position\n");
10670 if (positionNumber > 1) {
10671 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10672 DisplayTitle(line);
10674 DisplayTitle(title);
10676 gameMode = EditGame;
10679 timeRemaining[0][1] = whiteTimeRemaining;
10680 timeRemaining[1][1] = blackTimeRemaining;
10681 DrawPosition(FALSE, boards[currentMove]);
10688 CopyPlayerNameIntoFileName(dest, src)
10691 while (*src != NULLCHAR && *src != ',') {
10696 *(*dest)++ = *src++;
10701 char *DefaultFileName(ext)
10704 static char def[MSG_SIZ];
10707 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10709 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10711 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10713 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10720 /* Save the current game to the given file */
10722 SaveGameToFile(filename, append)
10729 if (strcmp(filename, "-") == 0) {
10730 return SaveGame(stdout, 0, NULL);
10732 f = fopen(filename, append ? "a" : "w");
10734 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10735 DisplayError(buf, errno);
10738 return SaveGame(f, 0, NULL);
10747 static char buf[MSG_SIZ];
10750 p = strchr(str, ' ');
10751 if (p == NULL) return str;
10752 strncpy(buf, str, p - str);
10753 buf[p - str] = NULLCHAR;
10757 #define PGN_MAX_LINE 75
10759 #define PGN_SIDE_WHITE 0
10760 #define PGN_SIDE_BLACK 1
10763 static int FindFirstMoveOutOfBook( int side )
10767 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10768 int index = backwardMostMove;
10769 int has_book_hit = 0;
10771 if( (index % 2) != side ) {
10775 while( index < forwardMostMove ) {
10776 /* Check to see if engine is in book */
10777 int depth = pvInfoList[index].depth;
10778 int score = pvInfoList[index].score;
10784 else if( score == 0 && depth == 63 ) {
10785 in_book = 1; /* Zappa */
10787 else if( score == 2 && depth == 99 ) {
10788 in_book = 1; /* Abrok */
10791 has_book_hit += in_book;
10807 void GetOutOfBookInfo( char * buf )
10811 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10813 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10814 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10818 if( oob[0] >= 0 || oob[1] >= 0 ) {
10819 for( i=0; i<2; i++ ) {
10823 if( i > 0 && oob[0] >= 0 ) {
10824 strcat( buf, " " );
10827 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10828 sprintf( buf+strlen(buf), "%s%.2f",
10829 pvInfoList[idx].score >= 0 ? "+" : "",
10830 pvInfoList[idx].score / 100.0 );
10836 /* Save game in PGN style and close the file */
10841 int i, offset, linelen, newblock;
10845 int movelen, numlen, blank;
10846 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10848 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10850 tm = time((time_t *) NULL);
10852 PrintPGNTags(f, &gameInfo);
10854 if (backwardMostMove > 0 || startedFromSetupPosition) {
10855 char *fen = PositionToFEN(backwardMostMove, NULL);
10856 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10857 fprintf(f, "\n{--------------\n");
10858 PrintPosition(f, backwardMostMove);
10859 fprintf(f, "--------------}\n");
10863 /* [AS] Out of book annotation */
10864 if( appData.saveOutOfBookInfo ) {
10867 GetOutOfBookInfo( buf );
10869 if( buf[0] != '\0' ) {
10870 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10877 i = backwardMostMove;
10881 while (i < forwardMostMove) {
10882 /* Print comments preceding this move */
10883 if (commentList[i] != NULL) {
10884 if (linelen > 0) fprintf(f, "\n");
10885 fprintf(f, "%s", commentList[i]);
10890 /* Format move number */
10892 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10895 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10897 numtext[0] = NULLCHAR;
10899 numlen = strlen(numtext);
10902 /* Print move number */
10903 blank = linelen > 0 && numlen > 0;
10904 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10913 fprintf(f, "%s", numtext);
10917 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10918 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10921 blank = linelen > 0 && movelen > 0;
10922 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10931 fprintf(f, "%s", move_buffer);
10932 linelen += movelen;
10934 /* [AS] Add PV info if present */
10935 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10936 /* [HGM] add time */
10937 char buf[MSG_SIZ]; int seconds;
10939 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10945 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10948 seconds = (seconds + 4)/10; // round to full seconds
10950 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10952 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10955 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10956 pvInfoList[i].score >= 0 ? "+" : "",
10957 pvInfoList[i].score / 100.0,
10958 pvInfoList[i].depth,
10961 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10963 /* Print score/depth */
10964 blank = linelen > 0 && movelen > 0;
10965 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10974 fprintf(f, "%s", move_buffer);
10975 linelen += movelen;
10981 /* Start a new line */
10982 if (linelen > 0) fprintf(f, "\n");
10984 /* Print comments after last move */
10985 if (commentList[i] != NULL) {
10986 fprintf(f, "%s\n", commentList[i]);
10990 if (gameInfo.resultDetails != NULL &&
10991 gameInfo.resultDetails[0] != NULLCHAR) {
10992 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10993 PGNResult(gameInfo.result));
10995 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10999 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11003 /* Save game in old style and close the file */
11005 SaveGameOldStyle(f)
11011 tm = time((time_t *) NULL);
11013 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11016 if (backwardMostMove > 0 || startedFromSetupPosition) {
11017 fprintf(f, "\n[--------------\n");
11018 PrintPosition(f, backwardMostMove);
11019 fprintf(f, "--------------]\n");
11024 i = backwardMostMove;
11025 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11027 while (i < forwardMostMove) {
11028 if (commentList[i] != NULL) {
11029 fprintf(f, "[%s]\n", commentList[i]);
11032 if ((i % 2) == 1) {
11033 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11036 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11038 if (commentList[i] != NULL) {
11042 if (i >= forwardMostMove) {
11046 fprintf(f, "%s\n", parseList[i]);
11051 if (commentList[i] != NULL) {
11052 fprintf(f, "[%s]\n", commentList[i]);
11055 /* This isn't really the old style, but it's close enough */
11056 if (gameInfo.resultDetails != NULL &&
11057 gameInfo.resultDetails[0] != NULLCHAR) {
11058 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11059 gameInfo.resultDetails);
11061 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11068 /* Save the current game to open file f and close the file */
11070 SaveGame(f, dummy, dummy2)
11075 if (gameMode == EditPosition) EditPositionDone(TRUE);
11076 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11077 if (appData.oldSaveStyle)
11078 return SaveGameOldStyle(f);
11080 return SaveGamePGN(f);
11083 /* Save the current position to the given file */
11085 SavePositionToFile(filename)
11091 if (strcmp(filename, "-") == 0) {
11092 return SavePosition(stdout, 0, NULL);
11094 f = fopen(filename, "a");
11096 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11097 DisplayError(buf, errno);
11100 SavePosition(f, 0, NULL);
11106 /* Save the current position to the given open file and close the file */
11108 SavePosition(f, dummy, dummy2)
11116 if (gameMode == EditPosition) EditPositionDone(TRUE);
11117 if (appData.oldSaveStyle) {
11118 tm = time((time_t *) NULL);
11120 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11122 fprintf(f, "[--------------\n");
11123 PrintPosition(f, currentMove);
11124 fprintf(f, "--------------]\n");
11126 fen = PositionToFEN(currentMove, NULL);
11127 fprintf(f, "%s\n", fen);
11135 ReloadCmailMsgEvent(unregister)
11139 static char *inFilename = NULL;
11140 static char *outFilename;
11142 struct stat inbuf, outbuf;
11145 /* Any registered moves are unregistered if unregister is set, */
11146 /* i.e. invoked by the signal handler */
11148 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11149 cmailMoveRegistered[i] = FALSE;
11150 if (cmailCommentList[i] != NULL) {
11151 free(cmailCommentList[i]);
11152 cmailCommentList[i] = NULL;
11155 nCmailMovesRegistered = 0;
11158 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11159 cmailResult[i] = CMAIL_NOT_RESULT;
11163 if (inFilename == NULL) {
11164 /* Because the filenames are static they only get malloced once */
11165 /* and they never get freed */
11166 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11167 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11169 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11170 sprintf(outFilename, "%s.out", appData.cmailGameName);
11173 status = stat(outFilename, &outbuf);
11175 cmailMailedMove = FALSE;
11177 status = stat(inFilename, &inbuf);
11178 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11181 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11182 counts the games, notes how each one terminated, etc.
11184 It would be nice to remove this kludge and instead gather all
11185 the information while building the game list. (And to keep it
11186 in the game list nodes instead of having a bunch of fixed-size
11187 parallel arrays.) Note this will require getting each game's
11188 termination from the PGN tags, as the game list builder does
11189 not process the game moves. --mann
11191 cmailMsgLoaded = TRUE;
11192 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11194 /* Load first game in the file or popup game menu */
11195 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11197 #endif /* !WIN32 */
11205 char string[MSG_SIZ];
11207 if ( cmailMailedMove
11208 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11209 return TRUE; /* Allow free viewing */
11212 /* Unregister move to ensure that we don't leave RegisterMove */
11213 /* with the move registered when the conditions for registering no */
11215 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11216 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11217 nCmailMovesRegistered --;
11219 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11221 free(cmailCommentList[lastLoadGameNumber - 1]);
11222 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11226 if (cmailOldMove == -1) {
11227 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11231 if (currentMove > cmailOldMove + 1) {
11232 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11236 if (currentMove < cmailOldMove) {
11237 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11241 if (forwardMostMove > currentMove) {
11242 /* Silently truncate extra moves */
11246 if ( (currentMove == cmailOldMove + 1)
11247 || ( (currentMove == cmailOldMove)
11248 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11249 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11250 if (gameInfo.result != GameUnfinished) {
11251 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11254 if (commentList[currentMove] != NULL) {
11255 cmailCommentList[lastLoadGameNumber - 1]
11256 = StrSave(commentList[currentMove]);
11258 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11260 if (appData.debugMode)
11261 fprintf(debugFP, "Saving %s for game %d\n",
11262 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11264 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11266 f = fopen(string, "w");
11267 if (appData.oldSaveStyle) {
11268 SaveGameOldStyle(f); /* also closes the file */
11270 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11271 f = fopen(string, "w");
11272 SavePosition(f, 0, NULL); /* also closes the file */
11274 fprintf(f, "{--------------\n");
11275 PrintPosition(f, currentMove);
11276 fprintf(f, "--------------}\n\n");
11278 SaveGame(f, 0, NULL); /* also closes the file*/
11281 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11282 nCmailMovesRegistered ++;
11283 } else if (nCmailGames == 1) {
11284 DisplayError(_("You have not made a move yet"), 0);
11295 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11296 FILE *commandOutput;
11297 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11298 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11304 if (! cmailMsgLoaded) {
11305 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11309 if (nCmailGames == nCmailResults) {
11310 DisplayError(_("No unfinished games"), 0);
11314 #if CMAIL_PROHIBIT_REMAIL
11315 if (cmailMailedMove) {
11316 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);
11317 DisplayError(msg, 0);
11322 if (! (cmailMailedMove || RegisterMove())) return;
11324 if ( cmailMailedMove
11325 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11326 snprintf(string, MSG_SIZ, partCommandString,
11327 appData.debugMode ? " -v" : "", appData.cmailGameName);
11328 commandOutput = popen(string, "r");
11330 if (commandOutput == NULL) {
11331 DisplayError(_("Failed to invoke cmail"), 0);
11333 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11334 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11336 if (nBuffers > 1) {
11337 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11338 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11339 nBytes = MSG_SIZ - 1;
11341 (void) memcpy(msg, buffer, nBytes);
11343 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11345 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11346 cmailMailedMove = TRUE; /* Prevent >1 moves */
11349 for (i = 0; i < nCmailGames; i ++) {
11350 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11355 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11357 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11359 appData.cmailGameName,
11361 LoadGameFromFile(buffer, 1, buffer, FALSE);
11362 cmailMsgLoaded = FALSE;
11366 DisplayInformation(msg);
11367 pclose(commandOutput);
11370 if ((*cmailMsg) != '\0') {
11371 DisplayInformation(cmailMsg);
11376 #endif /* !WIN32 */
11385 int prependComma = 0;
11387 char string[MSG_SIZ]; /* Space for game-list */
11390 if (!cmailMsgLoaded) return "";
11392 if (cmailMailedMove) {
11393 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11395 /* Create a list of games left */
11396 snprintf(string, MSG_SIZ, "[");
11397 for (i = 0; i < nCmailGames; i ++) {
11398 if (! ( cmailMoveRegistered[i]
11399 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11400 if (prependComma) {
11401 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11403 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11407 strcat(string, number);
11410 strcat(string, "]");
11412 if (nCmailMovesRegistered + nCmailResults == 0) {
11413 switch (nCmailGames) {
11415 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11419 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11423 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11428 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11430 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11435 if (nCmailResults == nCmailGames) {
11436 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11438 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11443 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11455 if (gameMode == Training)
11456 SetTrainingModeOff();
11459 cmailMsgLoaded = FALSE;
11460 if (appData.icsActive) {
11461 SendToICS(ics_prefix);
11462 SendToICS("refresh\n");
11472 /* Give up on clean exit */
11476 /* Keep trying for clean exit */
11480 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11482 if (telnetISR != NULL) {
11483 RemoveInputSource(telnetISR);
11485 if (icsPR != NoProc) {
11486 DestroyChildProcess(icsPR, TRUE);
11489 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11490 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11492 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11493 /* make sure this other one finishes before killing it! */
11494 if(endingGame) { int count = 0;
11495 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11496 while(endingGame && count++ < 10) DoSleep(1);
11497 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11500 /* Kill off chess programs */
11501 if (first.pr != NoProc) {
11504 DoSleep( appData.delayBeforeQuit );
11505 SendToProgram("quit\n", &first);
11506 DoSleep( appData.delayAfterQuit );
11507 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11509 if (second.pr != NoProc) {
11510 DoSleep( appData.delayBeforeQuit );
11511 SendToProgram("quit\n", &second);
11512 DoSleep( appData.delayAfterQuit );
11513 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11515 if (first.isr != NULL) {
11516 RemoveInputSource(first.isr);
11518 if (second.isr != NULL) {
11519 RemoveInputSource(second.isr);
11522 ShutDownFrontEnd();
11529 if (appData.debugMode)
11530 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11534 if (gameMode == MachinePlaysWhite ||
11535 gameMode == MachinePlaysBlack) {
11538 DisplayBothClocks();
11540 if (gameMode == PlayFromGameFile) {
11541 if (appData.timeDelay >= 0)
11542 AutoPlayGameLoop();
11543 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11544 Reset(FALSE, TRUE);
11545 SendToICS(ics_prefix);
11546 SendToICS("refresh\n");
11547 } else if (currentMove < forwardMostMove) {
11548 ForwardInner(forwardMostMove);
11550 pauseExamInvalid = FALSE;
11552 switch (gameMode) {
11556 pauseExamForwardMostMove = forwardMostMove;
11557 pauseExamInvalid = FALSE;
11560 case IcsPlayingWhite:
11561 case IcsPlayingBlack:
11565 case PlayFromGameFile:
11566 (void) StopLoadGameTimer();
11570 case BeginningOfGame:
11571 if (appData.icsActive) return;
11572 /* else fall through */
11573 case MachinePlaysWhite:
11574 case MachinePlaysBlack:
11575 case TwoMachinesPlay:
11576 if (forwardMostMove == 0)
11577 return; /* don't pause if no one has moved */
11578 if ((gameMode == MachinePlaysWhite &&
11579 !WhiteOnMove(forwardMostMove)) ||
11580 (gameMode == MachinePlaysBlack &&
11581 WhiteOnMove(forwardMostMove))) {
11594 char title[MSG_SIZ];
11596 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11597 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11599 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11600 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11601 parseList[currentMove - 1]);
11604 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11611 char *tags = PGNTags(&gameInfo);
11612 EditTagsPopUp(tags);
11619 if (appData.noChessProgram || gameMode == AnalyzeMode)
11622 if (gameMode != AnalyzeFile) {
11623 if (!appData.icsEngineAnalyze) {
11625 if (gameMode != EditGame) return;
11627 ResurrectChessProgram();
11628 SendToProgram("analyze\n", &first);
11629 first.analyzing = TRUE;
11630 /*first.maybeThinking = TRUE;*/
11631 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11632 EngineOutputPopUp();
11634 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11639 StartAnalysisClock();
11640 GetTimeMark(&lastNodeCountTime);
11647 if (appData.noChessProgram || gameMode == AnalyzeFile)
11650 if (gameMode != AnalyzeMode) {
11652 if (gameMode != EditGame) return;
11653 ResurrectChessProgram();
11654 SendToProgram("analyze\n", &first);
11655 first.analyzing = TRUE;
11656 /*first.maybeThinking = TRUE;*/
11657 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11658 EngineOutputPopUp();
11660 gameMode = AnalyzeFile;
11665 StartAnalysisClock();
11666 GetTimeMark(&lastNodeCountTime);
11671 MachineWhiteEvent()
11674 char *bookHit = NULL;
11676 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11680 if (gameMode == PlayFromGameFile ||
11681 gameMode == TwoMachinesPlay ||
11682 gameMode == Training ||
11683 gameMode == AnalyzeMode ||
11684 gameMode == EndOfGame)
11687 if (gameMode == EditPosition)
11688 EditPositionDone(TRUE);
11690 if (!WhiteOnMove(currentMove)) {
11691 DisplayError(_("It is not White's turn"), 0);
11695 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11698 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11699 gameMode == AnalyzeFile)
11702 ResurrectChessProgram(); /* in case it isn't running */
11703 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11704 gameMode = MachinePlaysWhite;
11707 gameMode = MachinePlaysWhite;
11711 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11713 if (first.sendName) {
11714 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11715 SendToProgram(buf, &first);
11717 if (first.sendTime) {
11718 if (first.useColors) {
11719 SendToProgram("black\n", &first); /*gnu kludge*/
11721 SendTimeRemaining(&first, TRUE);
11723 if (first.useColors) {
11724 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11726 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11727 SetMachineThinkingEnables();
11728 first.maybeThinking = TRUE;
11732 if (appData.autoFlipView && !flipView) {
11733 flipView = !flipView;
11734 DrawPosition(FALSE, NULL);
11735 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11738 if(bookHit) { // [HGM] book: simulate book reply
11739 static char bookMove[MSG_SIZ]; // a bit generous?
11741 programStats.nodes = programStats.depth = programStats.time =
11742 programStats.score = programStats.got_only_move = 0;
11743 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11745 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11746 strcat(bookMove, bookHit);
11747 HandleMachineMove(bookMove, &first);
11752 MachineBlackEvent()
11755 char *bookHit = NULL;
11757 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11761 if (gameMode == PlayFromGameFile ||
11762 gameMode == TwoMachinesPlay ||
11763 gameMode == Training ||
11764 gameMode == AnalyzeMode ||
11765 gameMode == EndOfGame)
11768 if (gameMode == EditPosition)
11769 EditPositionDone(TRUE);
11771 if (WhiteOnMove(currentMove)) {
11772 DisplayError(_("It is not Black's turn"), 0);
11776 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11779 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11780 gameMode == AnalyzeFile)
11783 ResurrectChessProgram(); /* in case it isn't running */
11784 gameMode = MachinePlaysBlack;
11788 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11790 if (first.sendName) {
11791 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11792 SendToProgram(buf, &first);
11794 if (first.sendTime) {
11795 if (first.useColors) {
11796 SendToProgram("white\n", &first); /*gnu kludge*/
11798 SendTimeRemaining(&first, FALSE);
11800 if (first.useColors) {
11801 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11803 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11804 SetMachineThinkingEnables();
11805 first.maybeThinking = TRUE;
11808 if (appData.autoFlipView && flipView) {
11809 flipView = !flipView;
11810 DrawPosition(FALSE, NULL);
11811 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11813 if(bookHit) { // [HGM] book: simulate book reply
11814 static char bookMove[MSG_SIZ]; // a bit generous?
11816 programStats.nodes = programStats.depth = programStats.time =
11817 programStats.score = programStats.got_only_move = 0;
11818 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11820 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11821 strcat(bookMove, bookHit);
11822 HandleMachineMove(bookMove, &first);
11828 DisplayTwoMachinesTitle()
11831 if (appData.matchGames > 0) {
11832 if (first.twoMachinesColor[0] == 'w') {
11833 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11834 gameInfo.white, gameInfo.black,
11835 first.matchWins, second.matchWins,
11836 matchGame - 1 - (first.matchWins + second.matchWins));
11838 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11839 gameInfo.white, gameInfo.black,
11840 second.matchWins, first.matchWins,
11841 matchGame - 1 - (first.matchWins + second.matchWins));
11844 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11850 TwoMachinesEvent P((void))
11854 ChessProgramState *onmove;
11855 char *bookHit = NULL;
11857 if (appData.noChessProgram) return;
11859 switch (gameMode) {
11860 case TwoMachinesPlay:
11862 case MachinePlaysWhite:
11863 case MachinePlaysBlack:
11864 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11865 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11869 case BeginningOfGame:
11870 case PlayFromGameFile:
11873 if (gameMode != EditGame) return;
11876 EditPositionDone(TRUE);
11887 // forwardMostMove = currentMove;
11888 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11889 ResurrectChessProgram(); /* in case first program isn't running */
11891 if (second.pr == NULL) {
11892 StartChessProgram(&second);
11893 if (second.protocolVersion == 1) {
11894 TwoMachinesEventIfReady();
11896 /* kludge: allow timeout for initial "feature" command */
11898 DisplayMessage("", _("Starting second chess program"));
11899 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11903 DisplayMessage("", "");
11904 InitChessProgram(&second, FALSE);
11905 SendToProgram("force\n", &second);
11906 if (startedFromSetupPosition) {
11907 SendBoard(&second, backwardMostMove);
11908 if (appData.debugMode) {
11909 fprintf(debugFP, "Two Machines\n");
11912 for (i = backwardMostMove; i < forwardMostMove; i++) {
11913 SendMoveToProgram(i, &second);
11916 gameMode = TwoMachinesPlay;
11920 DisplayTwoMachinesTitle();
11922 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11928 SendToProgram(first.computerString, &first);
11929 if (first.sendName) {
11930 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11931 SendToProgram(buf, &first);
11933 SendToProgram(second.computerString, &second);
11934 if (second.sendName) {
11935 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11936 SendToProgram(buf, &second);
11940 if (!first.sendTime || !second.sendTime) {
11941 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11942 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11944 if (onmove->sendTime) {
11945 if (onmove->useColors) {
11946 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11948 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11950 if (onmove->useColors) {
11951 SendToProgram(onmove->twoMachinesColor, onmove);
11953 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11954 // SendToProgram("go\n", onmove);
11955 onmove->maybeThinking = TRUE;
11956 SetMachineThinkingEnables();
11960 if(bookHit) { // [HGM] book: simulate book reply
11961 static char bookMove[MSG_SIZ]; // a bit generous?
11963 programStats.nodes = programStats.depth = programStats.time =
11964 programStats.score = programStats.got_only_move = 0;
11965 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11967 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11968 strcat(bookMove, bookHit);
11969 savedMessage = bookMove; // args for deferred call
11970 savedState = onmove;
11971 ScheduleDelayedEvent(DeferredBookMove, 1);
11978 if (gameMode == Training) {
11979 SetTrainingModeOff();
11980 gameMode = PlayFromGameFile;
11981 DisplayMessage("", _("Training mode off"));
11983 gameMode = Training;
11984 animateTraining = appData.animate;
11986 /* make sure we are not already at the end of the game */
11987 if (currentMove < forwardMostMove) {
11988 SetTrainingModeOn();
11989 DisplayMessage("", _("Training mode on"));
11991 gameMode = PlayFromGameFile;
11992 DisplayError(_("Already at end of game"), 0);
12001 if (!appData.icsActive) return;
12002 switch (gameMode) {
12003 case IcsPlayingWhite:
12004 case IcsPlayingBlack:
12007 case BeginningOfGame:
12015 EditPositionDone(TRUE);
12028 gameMode = IcsIdle;
12039 switch (gameMode) {
12041 SetTrainingModeOff();
12043 case MachinePlaysWhite:
12044 case MachinePlaysBlack:
12045 case BeginningOfGame:
12046 SendToProgram("force\n", &first);
12047 SetUserThinkingEnables();
12049 case PlayFromGameFile:
12050 (void) StopLoadGameTimer();
12051 if (gameFileFP != NULL) {
12056 EditPositionDone(TRUE);
12061 SendToProgram("force\n", &first);
12063 case TwoMachinesPlay:
12064 GameEnds(EndOfFile, NULL, GE_PLAYER);
12065 ResurrectChessProgram();
12066 SetUserThinkingEnables();
12069 ResurrectChessProgram();
12071 case IcsPlayingBlack:
12072 case IcsPlayingWhite:
12073 DisplayError(_("Warning: You are still playing a game"), 0);
12076 DisplayError(_("Warning: You are still observing a game"), 0);
12079 DisplayError(_("Warning: You are still examining a game"), 0);
12090 first.offeredDraw = second.offeredDraw = 0;
12092 if (gameMode == PlayFromGameFile) {
12093 whiteTimeRemaining = timeRemaining[0][currentMove];
12094 blackTimeRemaining = timeRemaining[1][currentMove];
12098 if (gameMode == MachinePlaysWhite ||
12099 gameMode == MachinePlaysBlack ||
12100 gameMode == TwoMachinesPlay ||
12101 gameMode == EndOfGame) {
12102 i = forwardMostMove;
12103 while (i > currentMove) {
12104 SendToProgram("undo\n", &first);
12107 whiteTimeRemaining = timeRemaining[0][currentMove];
12108 blackTimeRemaining = timeRemaining[1][currentMove];
12109 DisplayBothClocks();
12110 if (whiteFlag || blackFlag) {
12111 whiteFlag = blackFlag = 0;
12116 gameMode = EditGame;
12123 EditPositionEvent()
12125 if (gameMode == EditPosition) {
12131 if (gameMode != EditGame) return;
12133 gameMode = EditPosition;
12136 if (currentMove > 0)
12137 CopyBoard(boards[0], boards[currentMove]);
12139 blackPlaysFirst = !WhiteOnMove(currentMove);
12141 currentMove = forwardMostMove = backwardMostMove = 0;
12142 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12149 /* [DM] icsEngineAnalyze - possible call from other functions */
12150 if (appData.icsEngineAnalyze) {
12151 appData.icsEngineAnalyze = FALSE;
12153 DisplayMessage("",_("Close ICS engine analyze..."));
12155 if (first.analysisSupport && first.analyzing) {
12156 SendToProgram("exit\n", &first);
12157 first.analyzing = FALSE;
12159 thinkOutput[0] = NULLCHAR;
12163 EditPositionDone(Boolean fakeRights)
12165 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12167 startedFromSetupPosition = TRUE;
12168 InitChessProgram(&first, FALSE);
12169 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12170 boards[0][EP_STATUS] = EP_NONE;
12171 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12172 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12173 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12174 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12175 } else boards[0][CASTLING][2] = NoRights;
12176 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12177 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12178 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12179 } else boards[0][CASTLING][5] = NoRights;
12181 SendToProgram("force\n", &first);
12182 if (blackPlaysFirst) {
12183 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12184 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12185 currentMove = forwardMostMove = backwardMostMove = 1;
12186 CopyBoard(boards[1], boards[0]);
12188 currentMove = forwardMostMove = backwardMostMove = 0;
12190 SendBoard(&first, forwardMostMove);
12191 if (appData.debugMode) {
12192 fprintf(debugFP, "EditPosDone\n");
12195 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12196 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12197 gameMode = EditGame;
12199 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12200 ClearHighlights(); /* [AS] */
12203 /* Pause for `ms' milliseconds */
12204 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12214 } while (SubtractTimeMarks(&m2, &m1) < ms);
12217 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12219 SendMultiLineToICS(buf)
12222 char temp[MSG_SIZ+1], *p;
12229 strncpy(temp, buf, len);
12234 if (*p == '\n' || *p == '\r')
12239 strcat(temp, "\n");
12241 SendToPlayer(temp, strlen(temp));
12245 SetWhiteToPlayEvent()
12247 if (gameMode == EditPosition) {
12248 blackPlaysFirst = FALSE;
12249 DisplayBothClocks(); /* works because currentMove is 0 */
12250 } else if (gameMode == IcsExamining) {
12251 SendToICS(ics_prefix);
12252 SendToICS("tomove white\n");
12257 SetBlackToPlayEvent()
12259 if (gameMode == EditPosition) {
12260 blackPlaysFirst = TRUE;
12261 currentMove = 1; /* kludge */
12262 DisplayBothClocks();
12264 } else if (gameMode == IcsExamining) {
12265 SendToICS(ics_prefix);
12266 SendToICS("tomove black\n");
12271 EditPositionMenuEvent(selection, x, y)
12272 ChessSquare selection;
12276 ChessSquare piece = boards[0][y][x];
12278 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12280 switch (selection) {
12282 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12283 SendToICS(ics_prefix);
12284 SendToICS("bsetup clear\n");
12285 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12286 SendToICS(ics_prefix);
12287 SendToICS("clearboard\n");
12289 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12290 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12291 for (y = 0; y < BOARD_HEIGHT; y++) {
12292 if (gameMode == IcsExamining) {
12293 if (boards[currentMove][y][x] != EmptySquare) {
12294 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12299 boards[0][y][x] = p;
12304 if (gameMode == EditPosition) {
12305 DrawPosition(FALSE, boards[0]);
12310 SetWhiteToPlayEvent();
12314 SetBlackToPlayEvent();
12318 if (gameMode == IcsExamining) {
12319 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12320 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12323 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12324 if(x == BOARD_LEFT-2) {
12325 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12326 boards[0][y][1] = 0;
12328 if(x == BOARD_RGHT+1) {
12329 if(y >= gameInfo.holdingsSize) break;
12330 boards[0][y][BOARD_WIDTH-2] = 0;
12333 boards[0][y][x] = EmptySquare;
12334 DrawPosition(FALSE, boards[0]);
12339 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12340 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12341 selection = (ChessSquare) (PROMOTED piece);
12342 } else if(piece == EmptySquare) selection = WhiteSilver;
12343 else selection = (ChessSquare)((int)piece - 1);
12347 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12348 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12349 selection = (ChessSquare) (DEMOTED piece);
12350 } else if(piece == EmptySquare) selection = BlackSilver;
12351 else selection = (ChessSquare)((int)piece + 1);
12356 if(gameInfo.variant == VariantShatranj ||
12357 gameInfo.variant == VariantXiangqi ||
12358 gameInfo.variant == VariantCourier ||
12359 gameInfo.variant == VariantMakruk )
12360 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12365 if(gameInfo.variant == VariantXiangqi)
12366 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12367 if(gameInfo.variant == VariantKnightmate)
12368 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12371 if (gameMode == IcsExamining) {
12372 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12373 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12374 PieceToChar(selection), AAA + x, ONE + y);
12377 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12379 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12380 n = PieceToNumber(selection - BlackPawn);
12381 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12382 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12383 boards[0][BOARD_HEIGHT-1-n][1]++;
12385 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12386 n = PieceToNumber(selection);
12387 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12388 boards[0][n][BOARD_WIDTH-1] = selection;
12389 boards[0][n][BOARD_WIDTH-2]++;
12392 boards[0][y][x] = selection;
12393 DrawPosition(TRUE, boards[0]);
12401 DropMenuEvent(selection, x, y)
12402 ChessSquare selection;
12405 ChessMove moveType;
12407 switch (gameMode) {
12408 case IcsPlayingWhite:
12409 case MachinePlaysBlack:
12410 if (!WhiteOnMove(currentMove)) {
12411 DisplayMoveError(_("It is Black's turn"));
12414 moveType = WhiteDrop;
12416 case IcsPlayingBlack:
12417 case MachinePlaysWhite:
12418 if (WhiteOnMove(currentMove)) {
12419 DisplayMoveError(_("It is White's turn"));
12422 moveType = BlackDrop;
12425 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12431 if (moveType == BlackDrop && selection < BlackPawn) {
12432 selection = (ChessSquare) ((int) selection
12433 + (int) BlackPawn - (int) WhitePawn);
12435 if (boards[currentMove][y][x] != EmptySquare) {
12436 DisplayMoveError(_("That square is occupied"));
12440 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12446 /* Accept a pending offer of any kind from opponent */
12448 if (appData.icsActive) {
12449 SendToICS(ics_prefix);
12450 SendToICS("accept\n");
12451 } else if (cmailMsgLoaded) {
12452 if (currentMove == cmailOldMove &&
12453 commentList[cmailOldMove] != NULL &&
12454 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12455 "Black offers a draw" : "White offers a draw")) {
12457 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12458 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12460 DisplayError(_("There is no pending offer on this move"), 0);
12461 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12464 /* Not used for offers from chess program */
12471 /* Decline a pending offer of any kind from opponent */
12473 if (appData.icsActive) {
12474 SendToICS(ics_prefix);
12475 SendToICS("decline\n");
12476 } else if (cmailMsgLoaded) {
12477 if (currentMove == cmailOldMove &&
12478 commentList[cmailOldMove] != NULL &&
12479 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12480 "Black offers a draw" : "White offers a draw")) {
12482 AppendComment(cmailOldMove, "Draw declined", TRUE);
12483 DisplayComment(cmailOldMove - 1, "Draw declined");
12486 DisplayError(_("There is no pending offer on this move"), 0);
12489 /* Not used for offers from chess program */
12496 /* Issue ICS rematch command */
12497 if (appData.icsActive) {
12498 SendToICS(ics_prefix);
12499 SendToICS("rematch\n");
12506 /* Call your opponent's flag (claim a win on time) */
12507 if (appData.icsActive) {
12508 SendToICS(ics_prefix);
12509 SendToICS("flag\n");
12511 switch (gameMode) {
12514 case MachinePlaysWhite:
12517 GameEnds(GameIsDrawn, "Both players ran out of time",
12520 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12522 DisplayError(_("Your opponent is not out of time"), 0);
12525 case MachinePlaysBlack:
12528 GameEnds(GameIsDrawn, "Both players ran out of time",
12531 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12533 DisplayError(_("Your opponent is not out of time"), 0);
12543 /* Offer draw or accept pending draw offer from opponent */
12545 if (appData.icsActive) {
12546 /* Note: tournament rules require draw offers to be
12547 made after you make your move but before you punch
12548 your clock. Currently ICS doesn't let you do that;
12549 instead, you immediately punch your clock after making
12550 a move, but you can offer a draw at any time. */
12552 SendToICS(ics_prefix);
12553 SendToICS("draw\n");
12554 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12555 } else if (cmailMsgLoaded) {
12556 if (currentMove == cmailOldMove &&
12557 commentList[cmailOldMove] != NULL &&
12558 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12559 "Black offers a draw" : "White offers a draw")) {
12560 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12561 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12562 } else if (currentMove == cmailOldMove + 1) {
12563 char *offer = WhiteOnMove(cmailOldMove) ?
12564 "White offers a draw" : "Black offers a draw";
12565 AppendComment(currentMove, offer, TRUE);
12566 DisplayComment(currentMove - 1, offer);
12567 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12569 DisplayError(_("You must make your move before offering a draw"), 0);
12570 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12572 } else if (first.offeredDraw) {
12573 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12575 if (first.sendDrawOffers) {
12576 SendToProgram("draw\n", &first);
12577 userOfferedDraw = TRUE;
12585 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12587 if (appData.icsActive) {
12588 SendToICS(ics_prefix);
12589 SendToICS("adjourn\n");
12591 /* Currently GNU Chess doesn't offer or accept Adjourns */
12599 /* Offer Abort or accept pending Abort offer from opponent */
12601 if (appData.icsActive) {
12602 SendToICS(ics_prefix);
12603 SendToICS("abort\n");
12605 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12612 /* Resign. You can do this even if it's not your turn. */
12614 if (appData.icsActive) {
12615 SendToICS(ics_prefix);
12616 SendToICS("resign\n");
12618 switch (gameMode) {
12619 case MachinePlaysWhite:
12620 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12622 case MachinePlaysBlack:
12623 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12626 if (cmailMsgLoaded) {
12628 if (WhiteOnMove(cmailOldMove)) {
12629 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12631 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12633 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12644 StopObservingEvent()
12646 /* Stop observing current games */
12647 SendToICS(ics_prefix);
12648 SendToICS("unobserve\n");
12652 StopExaminingEvent()
12654 /* Stop observing current game */
12655 SendToICS(ics_prefix);
12656 SendToICS("unexamine\n");
12660 ForwardInner(target)
12665 if (appData.debugMode)
12666 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12667 target, currentMove, forwardMostMove);
12669 if (gameMode == EditPosition)
12672 if (gameMode == PlayFromGameFile && !pausing)
12675 if (gameMode == IcsExamining && pausing)
12676 limit = pauseExamForwardMostMove;
12678 limit = forwardMostMove;
12680 if (target > limit) target = limit;
12682 if (target > 0 && moveList[target - 1][0]) {
12683 int fromX, fromY, toX, toY;
12684 toX = moveList[target - 1][2] - AAA;
12685 toY = moveList[target - 1][3] - ONE;
12686 if (moveList[target - 1][1] == '@') {
12687 if (appData.highlightLastMove) {
12688 SetHighlights(-1, -1, toX, toY);
12691 fromX = moveList[target - 1][0] - AAA;
12692 fromY = moveList[target - 1][1] - ONE;
12693 if (target == currentMove + 1) {
12694 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12696 if (appData.highlightLastMove) {
12697 SetHighlights(fromX, fromY, toX, toY);
12701 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12702 gameMode == Training || gameMode == PlayFromGameFile ||
12703 gameMode == AnalyzeFile) {
12704 while (currentMove < target) {
12705 SendMoveToProgram(currentMove++, &first);
12708 currentMove = target;
12711 if (gameMode == EditGame || gameMode == EndOfGame) {
12712 whiteTimeRemaining = timeRemaining[0][currentMove];
12713 blackTimeRemaining = timeRemaining[1][currentMove];
12715 DisplayBothClocks();
12716 DisplayMove(currentMove - 1);
12717 DrawPosition(FALSE, boards[currentMove]);
12718 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12719 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12720 DisplayComment(currentMove - 1, commentList[currentMove]);
12728 if (gameMode == IcsExamining && !pausing) {
12729 SendToICS(ics_prefix);
12730 SendToICS("forward\n");
12732 ForwardInner(currentMove + 1);
12739 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12740 /* to optimze, we temporarily turn off analysis mode while we feed
12741 * the remaining moves to the engine. Otherwise we get analysis output
12744 if (first.analysisSupport) {
12745 SendToProgram("exit\nforce\n", &first);
12746 first.analyzing = FALSE;
12750 if (gameMode == IcsExamining && !pausing) {
12751 SendToICS(ics_prefix);
12752 SendToICS("forward 999999\n");
12754 ForwardInner(forwardMostMove);
12757 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12758 /* we have fed all the moves, so reactivate analysis mode */
12759 SendToProgram("analyze\n", &first);
12760 first.analyzing = TRUE;
12761 /*first.maybeThinking = TRUE;*/
12762 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12767 BackwardInner(target)
12770 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12772 if (appData.debugMode)
12773 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12774 target, currentMove, forwardMostMove);
12776 if (gameMode == EditPosition) return;
12777 if (currentMove <= backwardMostMove) {
12779 DrawPosition(full_redraw, boards[currentMove]);
12782 if (gameMode == PlayFromGameFile && !pausing)
12785 if (moveList[target][0]) {
12786 int fromX, fromY, toX, toY;
12787 toX = moveList[target][2] - AAA;
12788 toY = moveList[target][3] - ONE;
12789 if (moveList[target][1] == '@') {
12790 if (appData.highlightLastMove) {
12791 SetHighlights(-1, -1, toX, toY);
12794 fromX = moveList[target][0] - AAA;
12795 fromY = moveList[target][1] - ONE;
12796 if (target == currentMove - 1) {
12797 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12799 if (appData.highlightLastMove) {
12800 SetHighlights(fromX, fromY, toX, toY);
12804 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12805 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12806 while (currentMove > target) {
12807 SendToProgram("undo\n", &first);
12811 currentMove = target;
12814 if (gameMode == EditGame || gameMode == EndOfGame) {
12815 whiteTimeRemaining = timeRemaining[0][currentMove];
12816 blackTimeRemaining = timeRemaining[1][currentMove];
12818 DisplayBothClocks();
12819 DisplayMove(currentMove - 1);
12820 DrawPosition(full_redraw, boards[currentMove]);
12821 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12822 // [HGM] PV info: routine tests if comment empty
12823 DisplayComment(currentMove - 1, commentList[currentMove]);
12829 if (gameMode == IcsExamining && !pausing) {
12830 SendToICS(ics_prefix);
12831 SendToICS("backward\n");
12833 BackwardInner(currentMove - 1);
12840 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12841 /* to optimize, we temporarily turn off analysis mode while we undo
12842 * all the moves. Otherwise we get analysis output after each undo.
12844 if (first.analysisSupport) {
12845 SendToProgram("exit\nforce\n", &first);
12846 first.analyzing = FALSE;
12850 if (gameMode == IcsExamining && !pausing) {
12851 SendToICS(ics_prefix);
12852 SendToICS("backward 999999\n");
12854 BackwardInner(backwardMostMove);
12857 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12858 /* we have fed all the moves, so reactivate analysis mode */
12859 SendToProgram("analyze\n", &first);
12860 first.analyzing = TRUE;
12861 /*first.maybeThinking = TRUE;*/
12862 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12869 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12870 if (to >= forwardMostMove) to = forwardMostMove;
12871 if (to <= backwardMostMove) to = backwardMostMove;
12872 if (to < currentMove) {
12880 RevertEvent(Boolean annotate)
12882 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12885 if (gameMode != IcsExamining) {
12886 DisplayError(_("You are not examining a game"), 0);
12890 DisplayError(_("You can't revert while pausing"), 0);
12893 SendToICS(ics_prefix);
12894 SendToICS("revert\n");
12900 switch (gameMode) {
12901 case MachinePlaysWhite:
12902 case MachinePlaysBlack:
12903 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12904 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12907 if (forwardMostMove < 2) return;
12908 currentMove = forwardMostMove = forwardMostMove - 2;
12909 whiteTimeRemaining = timeRemaining[0][currentMove];
12910 blackTimeRemaining = timeRemaining[1][currentMove];
12911 DisplayBothClocks();
12912 DisplayMove(currentMove - 1);
12913 ClearHighlights();/*!! could figure this out*/
12914 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12915 SendToProgram("remove\n", &first);
12916 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12919 case BeginningOfGame:
12923 case IcsPlayingWhite:
12924 case IcsPlayingBlack:
12925 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12926 SendToICS(ics_prefix);
12927 SendToICS("takeback 2\n");
12929 SendToICS(ics_prefix);
12930 SendToICS("takeback 1\n");
12939 ChessProgramState *cps;
12941 switch (gameMode) {
12942 case MachinePlaysWhite:
12943 if (!WhiteOnMove(forwardMostMove)) {
12944 DisplayError(_("It is your turn"), 0);
12949 case MachinePlaysBlack:
12950 if (WhiteOnMove(forwardMostMove)) {
12951 DisplayError(_("It is your turn"), 0);
12956 case TwoMachinesPlay:
12957 if (WhiteOnMove(forwardMostMove) ==
12958 (first.twoMachinesColor[0] == 'w')) {
12964 case BeginningOfGame:
12968 SendToProgram("?\n", cps);
12972 TruncateGameEvent()
12975 if (gameMode != EditGame) return;
12982 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12983 if (forwardMostMove > currentMove) {
12984 if (gameInfo.resultDetails != NULL) {
12985 free(gameInfo.resultDetails);
12986 gameInfo.resultDetails = NULL;
12987 gameInfo.result = GameUnfinished;
12989 forwardMostMove = currentMove;
12990 HistorySet(parseList, backwardMostMove, forwardMostMove,
12998 if (appData.noChessProgram) return;
12999 switch (gameMode) {
13000 case MachinePlaysWhite:
13001 if (WhiteOnMove(forwardMostMove)) {
13002 DisplayError(_("Wait until your turn"), 0);
13006 case BeginningOfGame:
13007 case MachinePlaysBlack:
13008 if (!WhiteOnMove(forwardMostMove)) {
13009 DisplayError(_("Wait until your turn"), 0);
13014 DisplayError(_("No hint available"), 0);
13017 SendToProgram("hint\n", &first);
13018 hintRequested = TRUE;
13024 if (appData.noChessProgram) return;
13025 switch (gameMode) {
13026 case MachinePlaysWhite:
13027 if (WhiteOnMove(forwardMostMove)) {
13028 DisplayError(_("Wait until your turn"), 0);
13032 case BeginningOfGame:
13033 case MachinePlaysBlack:
13034 if (!WhiteOnMove(forwardMostMove)) {
13035 DisplayError(_("Wait until your turn"), 0);
13040 EditPositionDone(TRUE);
13042 case TwoMachinesPlay:
13047 SendToProgram("bk\n", &first);
13048 bookOutput[0] = NULLCHAR;
13049 bookRequested = TRUE;
13055 char *tags = PGNTags(&gameInfo);
13056 TagsPopUp(tags, CmailMsg());
13060 /* end button procedures */
13063 PrintPosition(fp, move)
13069 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13070 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13071 char c = PieceToChar(boards[move][i][j]);
13072 fputc(c == 'x' ? '.' : c, fp);
13073 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13076 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13077 fprintf(fp, "white to play\n");
13079 fprintf(fp, "black to play\n");
13086 if (gameInfo.white != NULL) {
13087 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13093 /* Find last component of program's own name, using some heuristics */
13095 TidyProgramName(prog, host, buf)
13096 char *prog, *host, buf[MSG_SIZ];
13099 int local = (strcmp(host, "localhost") == 0);
13100 while (!local && (p = strchr(prog, ';')) != NULL) {
13102 while (*p == ' ') p++;
13105 if (*prog == '"' || *prog == '\'') {
13106 q = strchr(prog + 1, *prog);
13108 q = strchr(prog, ' ');
13110 if (q == NULL) q = prog + strlen(prog);
13112 while (p >= prog && *p != '/' && *p != '\\') p--;
13114 if(p == prog && *p == '"') p++;
13115 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13116 memcpy(buf, p, q - p);
13117 buf[q - p] = NULLCHAR;
13125 TimeControlTagValue()
13128 if (!appData.clockMode) {
13129 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13130 } else if (movesPerSession > 0) {
13131 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13132 } else if (timeIncrement == 0) {
13133 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13135 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13137 return StrSave(buf);
13143 /* This routine is used only for certain modes */
13144 VariantClass v = gameInfo.variant;
13145 ChessMove r = GameUnfinished;
13148 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13149 r = gameInfo.result;
13150 p = gameInfo.resultDetails;
13151 gameInfo.resultDetails = NULL;
13153 ClearGameInfo(&gameInfo);
13154 gameInfo.variant = v;
13156 switch (gameMode) {
13157 case MachinePlaysWhite:
13158 gameInfo.event = StrSave( appData.pgnEventHeader );
13159 gameInfo.site = StrSave(HostName());
13160 gameInfo.date = PGNDate();
13161 gameInfo.round = StrSave("-");
13162 gameInfo.white = StrSave(first.tidy);
13163 gameInfo.black = StrSave(UserName());
13164 gameInfo.timeControl = TimeControlTagValue();
13167 case MachinePlaysBlack:
13168 gameInfo.event = StrSave( appData.pgnEventHeader );
13169 gameInfo.site = StrSave(HostName());
13170 gameInfo.date = PGNDate();
13171 gameInfo.round = StrSave("-");
13172 gameInfo.white = StrSave(UserName());
13173 gameInfo.black = StrSave(first.tidy);
13174 gameInfo.timeControl = TimeControlTagValue();
13177 case TwoMachinesPlay:
13178 gameInfo.event = StrSave( appData.pgnEventHeader );
13179 gameInfo.site = StrSave(HostName());
13180 gameInfo.date = PGNDate();
13181 if (matchGame > 0) {
13183 snprintf(buf, MSG_SIZ, "%d", matchGame);
13184 gameInfo.round = StrSave(buf);
13186 gameInfo.round = StrSave("-");
13188 if (first.twoMachinesColor[0] == 'w') {
13189 gameInfo.white = StrSave(first.tidy);
13190 gameInfo.black = StrSave(second.tidy);
13192 gameInfo.white = StrSave(second.tidy);
13193 gameInfo.black = StrSave(first.tidy);
13195 gameInfo.timeControl = TimeControlTagValue();
13199 gameInfo.event = StrSave("Edited game");
13200 gameInfo.site = StrSave(HostName());
13201 gameInfo.date = PGNDate();
13202 gameInfo.round = StrSave("-");
13203 gameInfo.white = StrSave("-");
13204 gameInfo.black = StrSave("-");
13205 gameInfo.result = r;
13206 gameInfo.resultDetails = p;
13210 gameInfo.event = StrSave("Edited position");
13211 gameInfo.site = StrSave(HostName());
13212 gameInfo.date = PGNDate();
13213 gameInfo.round = StrSave("-");
13214 gameInfo.white = StrSave("-");
13215 gameInfo.black = StrSave("-");
13218 case IcsPlayingWhite:
13219 case IcsPlayingBlack:
13224 case PlayFromGameFile:
13225 gameInfo.event = StrSave("Game from non-PGN file");
13226 gameInfo.site = StrSave(HostName());
13227 gameInfo.date = PGNDate();
13228 gameInfo.round = StrSave("-");
13229 gameInfo.white = StrSave("?");
13230 gameInfo.black = StrSave("?");
13239 ReplaceComment(index, text)
13245 while (*text == '\n') text++;
13246 len = strlen(text);
13247 while (len > 0 && text[len - 1] == '\n') len--;
13249 if (commentList[index] != NULL)
13250 free(commentList[index]);
13253 commentList[index] = NULL;
13256 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13257 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13258 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13259 commentList[index] = (char *) malloc(len + 2);
13260 strncpy(commentList[index], text, len);
13261 commentList[index][len] = '\n';
13262 commentList[index][len + 1] = NULLCHAR;
13264 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13266 commentList[index] = (char *) malloc(len + 7);
13267 safeStrCpy(commentList[index], "{\n", 3);
13268 safeStrCpy(commentList[index]+2, text, len+1);
13269 commentList[index][len+2] = NULLCHAR;
13270 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13271 strcat(commentList[index], "\n}\n");
13285 if (ch == '\r') continue;
13287 } while (ch != '\0');
13291 AppendComment(index, text, addBraces)
13294 Boolean addBraces; // [HGM] braces: tells if we should add {}
13299 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13300 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13303 while (*text == '\n') text++;
13304 len = strlen(text);
13305 while (len > 0 && text[len - 1] == '\n') len--;
13307 if (len == 0) return;
13309 if (commentList[index] != NULL) {
13310 old = commentList[index];
13311 oldlen = strlen(old);
13312 while(commentList[index][oldlen-1] == '\n')
13313 commentList[index][--oldlen] = NULLCHAR;
13314 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13315 safeStrCpy(commentList[index], old, oldlen);
13317 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13318 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13319 if(addBraces) addBraces = FALSE; else { text++; len--; }
13320 while (*text == '\n') { text++; len--; }
13321 commentList[index][--oldlen] = NULLCHAR;
13323 if(addBraces) strcat(commentList[index], "\n{\n");
13324 else strcat(commentList[index], "\n");
13325 strcat(commentList[index], text);
13326 if(addBraces) strcat(commentList[index], "\n}\n");
13327 else strcat(commentList[index], "\n");
13329 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13331 safeStrCpy(commentList[index], "{\n", 3);
13332 else commentList[index][0] = NULLCHAR;
13333 strcat(commentList[index], text);
13334 strcat(commentList[index], "\n");
13335 if(addBraces) strcat(commentList[index], "}\n");
13339 static char * FindStr( char * text, char * sub_text )
13341 char * result = strstr( text, sub_text );
13343 if( result != NULL ) {
13344 result += strlen( sub_text );
13350 /* [AS] Try to extract PV info from PGN comment */
13351 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13352 char *GetInfoFromComment( int index, char * text )
13356 if( text != NULL && index > 0 ) {
13359 int time = -1, sec = 0, deci;
13360 char * s_eval = FindStr( text, "[%eval " );
13361 char * s_emt = FindStr( text, "[%emt " );
13363 if( s_eval != NULL || s_emt != NULL ) {
13367 if( s_eval != NULL ) {
13368 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13372 if( delim != ']' ) {
13377 if( s_emt != NULL ) {
13382 /* We expect something like: [+|-]nnn.nn/dd */
13385 if(*text != '{') return text; // [HGM] braces: must be normal comment
13387 sep = strchr( text, '/' );
13388 if( sep == NULL || sep < (text+4) ) {
13392 time = -1; sec = -1; deci = -1;
13393 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13394 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13395 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13396 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13400 if( score_lo < 0 || score_lo >= 100 ) {
13404 if(sec >= 0) time = 600*time + 10*sec; else
13405 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13407 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13409 /* [HGM] PV time: now locate end of PV info */
13410 while( *++sep >= '0' && *sep <= '9'); // strip depth
13412 while( *++sep >= '0' && *sep <= '9'); // strip time
13414 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13416 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13417 while(*sep == ' ') sep++;
13428 pvInfoList[index-1].depth = depth;
13429 pvInfoList[index-1].score = score;
13430 pvInfoList[index-1].time = 10*time; // centi-sec
13431 if(*sep == '}') *sep = 0; else *--sep = '{';
13437 SendToProgram(message, cps)
13439 ChessProgramState *cps;
13441 int count, outCount, error;
13444 if (cps->pr == NULL) return;
13447 if (appData.debugMode) {
13450 fprintf(debugFP, "%ld >%-6s: %s",
13451 SubtractTimeMarks(&now, &programStartTime),
13452 cps->which, message);
13455 count = strlen(message);
13456 outCount = OutputToProcess(cps->pr, message, count, &error);
13457 if (outCount < count && !exiting
13458 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13459 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13460 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13461 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13462 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13463 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13465 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13467 gameInfo.resultDetails = StrSave(buf);
13469 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13474 ReceiveFromProgram(isr, closure, message, count, error)
13475 InputSourceRef isr;
13483 ChessProgramState *cps = (ChessProgramState *)closure;
13485 if (isr != cps->isr) return; /* Killed intentionally */
13488 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13489 cps->which, cps->program);
13490 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13491 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13492 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13493 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13495 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13497 gameInfo.resultDetails = StrSave(buf);
13499 RemoveInputSource(cps->isr);
13500 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13502 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13503 cps->which, cps->program);
13504 RemoveInputSource(cps->isr);
13506 /* [AS] Program is misbehaving badly... kill it */
13507 if( count == -2 ) {
13508 DestroyChildProcess( cps->pr, 9 );
13512 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13517 if ((end_str = strchr(message, '\r')) != NULL)
13518 *end_str = NULLCHAR;
13519 if ((end_str = strchr(message, '\n')) != NULL)
13520 *end_str = NULLCHAR;
13522 if (appData.debugMode) {
13523 TimeMark now; int print = 1;
13524 char *quote = ""; char c; int i;
13526 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13527 char start = message[0];
13528 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13529 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13530 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13531 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13532 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13533 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13534 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13535 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13536 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13537 print = (appData.engineComments >= 2);
13539 message[0] = start; // restore original message
13543 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13544 SubtractTimeMarks(&now, &programStartTime), cps->which,
13550 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13551 if (appData.icsEngineAnalyze) {
13552 if (strstr(message, "whisper") != NULL ||
13553 strstr(message, "kibitz") != NULL ||
13554 strstr(message, "tellics") != NULL) return;
13557 HandleMachineMove(message, cps);
13562 SendTimeControl(cps, mps, tc, inc, sd, st)
13563 ChessProgramState *cps;
13564 int mps, inc, sd, st;
13570 if( timeControl_2 > 0 ) {
13571 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13572 tc = timeControl_2;
13575 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13576 inc /= cps->timeOdds;
13577 st /= cps->timeOdds;
13579 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13582 /* Set exact time per move, normally using st command */
13583 if (cps->stKludge) {
13584 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13586 if (seconds == 0) {
13587 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13589 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13592 snprintf(buf, MSG_SIZ, "st %d\n", st);
13595 /* Set conventional or incremental time control, using level command */
13596 if (seconds == 0) {
13597 /* Note old gnuchess bug -- minutes:seconds used to not work.
13598 Fixed in later versions, but still avoid :seconds
13599 when seconds is 0. */
13600 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13602 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13603 seconds, inc/1000.);
13606 SendToProgram(buf, cps);
13608 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13609 /* Orthogonally, limit search to given depth */
13611 if (cps->sdKludge) {
13612 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13614 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13616 SendToProgram(buf, cps);
13619 if(cps->nps > 0) { /* [HGM] nps */
13620 if(cps->supportsNPS == FALSE)
13621 cps->nps = -1; // don't use if engine explicitly says not supported!
13623 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13624 SendToProgram(buf, cps);
13629 ChessProgramState *WhitePlayer()
13630 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13632 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13633 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13639 SendTimeRemaining(cps, machineWhite)
13640 ChessProgramState *cps;
13641 int /*boolean*/ machineWhite;
13643 char message[MSG_SIZ];
13646 /* Note: this routine must be called when the clocks are stopped
13647 or when they have *just* been set or switched; otherwise
13648 it will be off by the time since the current tick started.
13650 if (machineWhite) {
13651 time = whiteTimeRemaining / 10;
13652 otime = blackTimeRemaining / 10;
13654 time = blackTimeRemaining / 10;
13655 otime = whiteTimeRemaining / 10;
13657 /* [HGM] translate opponent's time by time-odds factor */
13658 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13659 if (appData.debugMode) {
13660 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13663 if (time <= 0) time = 1;
13664 if (otime <= 0) otime = 1;
13666 snprintf(message, MSG_SIZ, "time %ld\n", time);
13667 SendToProgram(message, cps);
13669 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13670 SendToProgram(message, cps);
13674 BoolFeature(p, name, loc, cps)
13678 ChessProgramState *cps;
13681 int len = strlen(name);
13684 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13686 sscanf(*p, "%d", &val);
13688 while (**p && **p != ' ')
13690 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13691 SendToProgram(buf, cps);
13698 IntFeature(p, name, loc, cps)
13702 ChessProgramState *cps;
13705 int len = strlen(name);
13706 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13708 sscanf(*p, "%d", loc);
13709 while (**p && **p != ' ') (*p)++;
13710 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13711 SendToProgram(buf, cps);
13718 StringFeature(p, name, loc, cps)
13722 ChessProgramState *cps;
13725 int len = strlen(name);
13726 if (strncmp((*p), name, len) == 0
13727 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13729 sscanf(*p, "%[^\"]", loc);
13730 while (**p && **p != '\"') (*p)++;
13731 if (**p == '\"') (*p)++;
13732 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13733 SendToProgram(buf, cps);
13740 ParseOption(Option *opt, ChessProgramState *cps)
13741 // [HGM] options: process the string that defines an engine option, and determine
13742 // name, type, default value, and allowed value range
13744 char *p, *q, buf[MSG_SIZ];
13745 int n, min = (-1)<<31, max = 1<<31, def;
13747 if(p = strstr(opt->name, " -spin ")) {
13748 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13749 if(max < min) max = min; // enforce consistency
13750 if(def < min) def = min;
13751 if(def > max) def = max;
13756 } else if((p = strstr(opt->name, " -slider "))) {
13757 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13758 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13759 if(max < min) max = min; // enforce consistency
13760 if(def < min) def = min;
13761 if(def > max) def = max;
13765 opt->type = Spin; // Slider;
13766 } else if((p = strstr(opt->name, " -string "))) {
13767 opt->textValue = p+9;
13768 opt->type = TextBox;
13769 } else if((p = strstr(opt->name, " -file "))) {
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; // FileName;
13773 } else if((p = strstr(opt->name, " -path "))) {
13774 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13775 opt->textValue = p+7;
13776 opt->type = TextBox; // PathName;
13777 } else if(p = strstr(opt->name, " -check ")) {
13778 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13779 opt->value = (def != 0);
13780 opt->type = CheckBox;
13781 } else if(p = strstr(opt->name, " -combo ")) {
13782 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13783 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13784 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13785 opt->value = n = 0;
13786 while(q = StrStr(q, " /// ")) {
13787 n++; *q = 0; // count choices, and null-terminate each of them
13789 if(*q == '*') { // remember default, which is marked with * prefix
13793 cps->comboList[cps->comboCnt++] = q;
13795 cps->comboList[cps->comboCnt++] = NULL;
13797 opt->type = ComboBox;
13798 } else if(p = strstr(opt->name, " -button")) {
13799 opt->type = Button;
13800 } else if(p = strstr(opt->name, " -save")) {
13801 opt->type = SaveButton;
13802 } else return FALSE;
13803 *p = 0; // terminate option name
13804 // now look if the command-line options define a setting for this engine option.
13805 if(cps->optionSettings && cps->optionSettings[0])
13806 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13807 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13808 snprintf(buf, MSG_SIZ, "option %s", p);
13809 if(p = strstr(buf, ",")) *p = 0;
13811 SendToProgram(buf, cps);
13817 FeatureDone(cps, val)
13818 ChessProgramState* cps;
13821 DelayedEventCallback cb = GetDelayedEvent();
13822 if ((cb == InitBackEnd3 && cps == &first) ||
13823 (cb == TwoMachinesEventIfReady && cps == &second)) {
13824 CancelDelayedEvent();
13825 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13827 cps->initDone = val;
13830 /* Parse feature command from engine */
13832 ParseFeatures(args, cps)
13834 ChessProgramState *cps;
13842 while (*p == ' ') p++;
13843 if (*p == NULLCHAR) return;
13845 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13846 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13847 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13848 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13849 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13850 if (BoolFeature(&p, "reuse", &val, cps)) {
13851 /* Engine can disable reuse, but can't enable it if user said no */
13852 if (!val) cps->reuse = FALSE;
13855 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13856 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13857 if (gameMode == TwoMachinesPlay) {
13858 DisplayTwoMachinesTitle();
13864 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13865 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13866 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13867 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13868 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13869 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13870 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13871 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13872 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13873 if (IntFeature(&p, "done", &val, cps)) {
13874 FeatureDone(cps, val);
13877 /* Added by Tord: */
13878 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13879 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13880 /* End of additions by Tord */
13882 /* [HGM] added features: */
13883 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13884 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13885 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13886 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13887 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13888 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13889 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13890 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13891 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13892 SendToProgram(buf, cps);
13895 if(cps->nrOptions >= MAX_OPTIONS) {
13897 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13898 DisplayError(buf, 0);
13902 /* End of additions by HGM */
13904 /* unknown feature: complain and skip */
13906 while (*q && *q != '=') q++;
13907 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13908 SendToProgram(buf, cps);
13914 while (*p && *p != '\"') p++;
13915 if (*p == '\"') p++;
13917 while (*p && *p != ' ') p++;
13925 PeriodicUpdatesEvent(newState)
13928 if (newState == appData.periodicUpdates)
13931 appData.periodicUpdates=newState;
13933 /* Display type changes, so update it now */
13934 // DisplayAnalysis();
13936 /* Get the ball rolling again... */
13938 AnalysisPeriodicEvent(1);
13939 StartAnalysisClock();
13944 PonderNextMoveEvent(newState)
13947 if (newState == appData.ponderNextMove) return;
13948 if (gameMode == EditPosition) EditPositionDone(TRUE);
13950 SendToProgram("hard\n", &first);
13951 if (gameMode == TwoMachinesPlay) {
13952 SendToProgram("hard\n", &second);
13955 SendToProgram("easy\n", &first);
13956 thinkOutput[0] = NULLCHAR;
13957 if (gameMode == TwoMachinesPlay) {
13958 SendToProgram("easy\n", &second);
13961 appData.ponderNextMove = newState;
13965 NewSettingEvent(option, feature, command, value)
13967 int option, value, *feature;
13971 if (gameMode == EditPosition) EditPositionDone(TRUE);
13972 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13973 if(feature == NULL || *feature) SendToProgram(buf, &first);
13974 if (gameMode == TwoMachinesPlay) {
13975 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13980 ShowThinkingEvent()
13981 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13983 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13984 int newState = appData.showThinking
13985 // [HGM] thinking: other features now need thinking output as well
13986 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13988 if (oldState == newState) return;
13989 oldState = newState;
13990 if (gameMode == EditPosition) EditPositionDone(TRUE);
13992 SendToProgram("post\n", &first);
13993 if (gameMode == TwoMachinesPlay) {
13994 SendToProgram("post\n", &second);
13997 SendToProgram("nopost\n", &first);
13998 thinkOutput[0] = NULLCHAR;
13999 if (gameMode == TwoMachinesPlay) {
14000 SendToProgram("nopost\n", &second);
14003 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14007 AskQuestionEvent(title, question, replyPrefix, which)
14008 char *title; char *question; char *replyPrefix; char *which;
14010 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14011 if (pr == NoProc) return;
14012 AskQuestion(title, question, replyPrefix, pr);
14016 DisplayMove(moveNumber)
14019 char message[MSG_SIZ];
14021 char cpThinkOutput[MSG_SIZ];
14023 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14025 if (moveNumber == forwardMostMove - 1 ||
14026 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14028 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14030 if (strchr(cpThinkOutput, '\n')) {
14031 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14034 *cpThinkOutput = NULLCHAR;
14037 /* [AS] Hide thinking from human user */
14038 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14039 *cpThinkOutput = NULLCHAR;
14040 if( thinkOutput[0] != NULLCHAR ) {
14043 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14044 cpThinkOutput[i] = '.';
14046 cpThinkOutput[i] = NULLCHAR;
14047 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14051 if (moveNumber == forwardMostMove - 1 &&
14052 gameInfo.resultDetails != NULL) {
14053 if (gameInfo.resultDetails[0] == NULLCHAR) {
14054 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14056 snprintf(res, MSG_SIZ, " {%s} %s",
14057 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14063 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14064 DisplayMessage(res, cpThinkOutput);
14066 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14067 WhiteOnMove(moveNumber) ? " " : ".. ",
14068 parseList[moveNumber], res);
14069 DisplayMessage(message, cpThinkOutput);
14074 DisplayComment(moveNumber, text)
14078 char title[MSG_SIZ];
14079 char buf[8000]; // comment can be long!
14082 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14083 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14085 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14086 WhiteOnMove(moveNumber) ? " " : ".. ",
14087 parseList[moveNumber]);
14089 // [HGM] PV info: display PV info together with (or as) comment
14090 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14091 if(text == NULL) text = "";
14092 score = pvInfoList[moveNumber].score;
14093 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14094 depth, (pvInfoList[moveNumber].time+50)/100, text);
14097 if (text != NULL && (appData.autoDisplayComment || commentUp))
14098 CommentPopUp(title, text);
14101 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14102 * might be busy thinking or pondering. It can be omitted if your
14103 * gnuchess is configured to stop thinking immediately on any user
14104 * input. However, that gnuchess feature depends on the FIONREAD
14105 * ioctl, which does not work properly on some flavors of Unix.
14109 ChessProgramState *cps;
14112 if (!cps->useSigint) return;
14113 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14114 switch (gameMode) {
14115 case MachinePlaysWhite:
14116 case MachinePlaysBlack:
14117 case TwoMachinesPlay:
14118 case IcsPlayingWhite:
14119 case IcsPlayingBlack:
14122 /* Skip if we know it isn't thinking */
14123 if (!cps->maybeThinking) return;
14124 if (appData.debugMode)
14125 fprintf(debugFP, "Interrupting %s\n", cps->which);
14126 InterruptChildProcess(cps->pr);
14127 cps->maybeThinking = FALSE;
14132 #endif /*ATTENTION*/
14138 if (whiteTimeRemaining <= 0) {
14141 if (appData.icsActive) {
14142 if (appData.autoCallFlag &&
14143 gameMode == IcsPlayingBlack && !blackFlag) {
14144 SendToICS(ics_prefix);
14145 SendToICS("flag\n");
14149 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14151 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14152 if (appData.autoCallFlag) {
14153 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14160 if (blackTimeRemaining <= 0) {
14163 if (appData.icsActive) {
14164 if (appData.autoCallFlag &&
14165 gameMode == IcsPlayingWhite && !whiteFlag) {
14166 SendToICS(ics_prefix);
14167 SendToICS("flag\n");
14171 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14173 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14174 if (appData.autoCallFlag) {
14175 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14188 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14189 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14192 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14194 if ( !WhiteOnMove(forwardMostMove) ) {
14195 /* White made time control */
14196 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14197 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14198 /* [HGM] time odds: correct new time quota for time odds! */
14199 / WhitePlayer()->timeOdds;
14200 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14202 lastBlack -= blackTimeRemaining;
14203 /* Black made time control */
14204 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14205 / WhitePlayer()->other->timeOdds;
14206 lastWhite = whiteTimeRemaining;
14211 DisplayBothClocks()
14213 int wom = gameMode == EditPosition ?
14214 !blackPlaysFirst : WhiteOnMove(currentMove);
14215 DisplayWhiteClock(whiteTimeRemaining, wom);
14216 DisplayBlackClock(blackTimeRemaining, !wom);
14220 /* Timekeeping seems to be a portability nightmare. I think everyone
14221 has ftime(), but I'm really not sure, so I'm including some ifdefs
14222 to use other calls if you don't. Clocks will be less accurate if
14223 you have neither ftime nor gettimeofday.
14226 /* VS 2008 requires the #include outside of the function */
14227 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14228 #include <sys/timeb.h>
14231 /* Get the current time as a TimeMark */
14236 #if HAVE_GETTIMEOFDAY
14238 struct timeval timeVal;
14239 struct timezone timeZone;
14241 gettimeofday(&timeVal, &timeZone);
14242 tm->sec = (long) timeVal.tv_sec;
14243 tm->ms = (int) (timeVal.tv_usec / 1000L);
14245 #else /*!HAVE_GETTIMEOFDAY*/
14248 // include <sys/timeb.h> / moved to just above start of function
14249 struct timeb timeB;
14252 tm->sec = (long) timeB.time;
14253 tm->ms = (int) timeB.millitm;
14255 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14256 tm->sec = (long) time(NULL);
14262 /* Return the difference in milliseconds between two
14263 time marks. We assume the difference will fit in a long!
14266 SubtractTimeMarks(tm2, tm1)
14267 TimeMark *tm2, *tm1;
14269 return 1000L*(tm2->sec - tm1->sec) +
14270 (long) (tm2->ms - tm1->ms);
14275 * Code to manage the game clocks.
14277 * In tournament play, black starts the clock and then white makes a move.
14278 * We give the human user a slight advantage if he is playing white---the
14279 * clocks don't run until he makes his first move, so it takes zero time.
14280 * Also, we don't account for network lag, so we could get out of sync
14281 * with GNU Chess's clock -- but then, referees are always right.
14284 static TimeMark tickStartTM;
14285 static long intendedTickLength;
14288 NextTickLength(timeRemaining)
14289 long timeRemaining;
14291 long nominalTickLength, nextTickLength;
14293 if (timeRemaining > 0L && timeRemaining <= 10000L)
14294 nominalTickLength = 100L;
14296 nominalTickLength = 1000L;
14297 nextTickLength = timeRemaining % nominalTickLength;
14298 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14300 return nextTickLength;
14303 /* Adjust clock one minute up or down */
14305 AdjustClock(Boolean which, int dir)
14307 if(which) blackTimeRemaining += 60000*dir;
14308 else whiteTimeRemaining += 60000*dir;
14309 DisplayBothClocks();
14312 /* Stop clocks and reset to a fresh time control */
14316 (void) StopClockTimer();
14317 if (appData.icsActive) {
14318 whiteTimeRemaining = blackTimeRemaining = 0;
14319 } else if (searchTime) {
14320 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14321 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14322 } else { /* [HGM] correct new time quote for time odds */
14323 whiteTC = blackTC = fullTimeControlString;
14324 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14325 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14327 if (whiteFlag || blackFlag) {
14329 whiteFlag = blackFlag = FALSE;
14331 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14332 DisplayBothClocks();
14335 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14337 /* Decrement running clock by amount of time that has passed */
14341 long timeRemaining;
14342 long lastTickLength, fudge;
14345 if (!appData.clockMode) return;
14346 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14350 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14352 /* Fudge if we woke up a little too soon */
14353 fudge = intendedTickLength - lastTickLength;
14354 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14356 if (WhiteOnMove(forwardMostMove)) {
14357 if(whiteNPS >= 0) lastTickLength = 0;
14358 timeRemaining = whiteTimeRemaining -= lastTickLength;
14359 if(timeRemaining < 0 && !appData.icsActive) {
14360 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14361 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14362 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14363 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14366 DisplayWhiteClock(whiteTimeRemaining - fudge,
14367 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14369 if(blackNPS >= 0) lastTickLength = 0;
14370 timeRemaining = blackTimeRemaining -= lastTickLength;
14371 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14372 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14374 blackStartMove = forwardMostMove;
14375 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14378 DisplayBlackClock(blackTimeRemaining - fudge,
14379 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14381 if (CheckFlags()) return;
14384 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14385 StartClockTimer(intendedTickLength);
14387 /* if the time remaining has fallen below the alarm threshold, sound the
14388 * alarm. if the alarm has sounded and (due to a takeback or time control
14389 * with increment) the time remaining has increased to a level above the
14390 * threshold, reset the alarm so it can sound again.
14393 if (appData.icsActive && appData.icsAlarm) {
14395 /* make sure we are dealing with the user's clock */
14396 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14397 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14400 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14401 alarmSounded = FALSE;
14402 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14404 alarmSounded = TRUE;
14410 /* A player has just moved, so stop the previously running
14411 clock and (if in clock mode) start the other one.
14412 We redisplay both clocks in case we're in ICS mode, because
14413 ICS gives us an update to both clocks after every move.
14414 Note that this routine is called *after* forwardMostMove
14415 is updated, so the last fractional tick must be subtracted
14416 from the color that is *not* on move now.
14419 SwitchClocks(int newMoveNr)
14421 long lastTickLength;
14423 int flagged = FALSE;
14427 if (StopClockTimer() && appData.clockMode) {
14428 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14429 if (!WhiteOnMove(forwardMostMove)) {
14430 if(blackNPS >= 0) lastTickLength = 0;
14431 blackTimeRemaining -= lastTickLength;
14432 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14433 // if(pvInfoList[forwardMostMove-1].time == -1)
14434 pvInfoList[forwardMostMove-1].time = // use GUI time
14435 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14437 if(whiteNPS >= 0) lastTickLength = 0;
14438 whiteTimeRemaining -= lastTickLength;
14439 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14440 // if(pvInfoList[forwardMostMove-1].time == -1)
14441 pvInfoList[forwardMostMove-1].time =
14442 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14444 flagged = CheckFlags();
14446 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14447 CheckTimeControl();
14449 if (flagged || !appData.clockMode) return;
14451 switch (gameMode) {
14452 case MachinePlaysBlack:
14453 case MachinePlaysWhite:
14454 case BeginningOfGame:
14455 if (pausing) return;
14459 case PlayFromGameFile:
14467 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14468 if(WhiteOnMove(forwardMostMove))
14469 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14470 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14474 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14475 whiteTimeRemaining : blackTimeRemaining);
14476 StartClockTimer(intendedTickLength);
14480 /* Stop both clocks */
14484 long lastTickLength;
14487 if (!StopClockTimer()) return;
14488 if (!appData.clockMode) return;
14492 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14493 if (WhiteOnMove(forwardMostMove)) {
14494 if(whiteNPS >= 0) lastTickLength = 0;
14495 whiteTimeRemaining -= lastTickLength;
14496 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14498 if(blackNPS >= 0) lastTickLength = 0;
14499 blackTimeRemaining -= lastTickLength;
14500 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14505 /* Start clock of player on move. Time may have been reset, so
14506 if clock is already running, stop and restart it. */
14510 (void) StopClockTimer(); /* in case it was running already */
14511 DisplayBothClocks();
14512 if (CheckFlags()) return;
14514 if (!appData.clockMode) return;
14515 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14517 GetTimeMark(&tickStartTM);
14518 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14519 whiteTimeRemaining : blackTimeRemaining);
14521 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14522 whiteNPS = blackNPS = -1;
14523 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14524 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14525 whiteNPS = first.nps;
14526 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14527 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14528 blackNPS = first.nps;
14529 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14530 whiteNPS = second.nps;
14531 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14532 blackNPS = second.nps;
14533 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14535 StartClockTimer(intendedTickLength);
14542 long second, minute, hour, day;
14544 static char buf[32];
14546 if (ms > 0 && ms <= 9900) {
14547 /* convert milliseconds to tenths, rounding up */
14548 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14550 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14554 /* convert milliseconds to seconds, rounding up */
14555 /* use floating point to avoid strangeness of integer division
14556 with negative dividends on many machines */
14557 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14564 day = second / (60 * 60 * 24);
14565 second = second % (60 * 60 * 24);
14566 hour = second / (60 * 60);
14567 second = second % (60 * 60);
14568 minute = second / 60;
14569 second = second % 60;
14572 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14573 sign, day, hour, minute, second);
14575 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14577 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14584 * This is necessary because some C libraries aren't ANSI C compliant yet.
14587 StrStr(string, match)
14588 char *string, *match;
14592 length = strlen(match);
14594 for (i = strlen(string) - length; i >= 0; i--, string++)
14595 if (!strncmp(match, string, length))
14602 StrCaseStr(string, match)
14603 char *string, *match;
14607 length = strlen(match);
14609 for (i = strlen(string) - length; i >= 0; i--, string++) {
14610 for (j = 0; j < length; j++) {
14611 if (ToLower(match[j]) != ToLower(string[j]))
14614 if (j == length) return string;
14628 c1 = ToLower(*s1++);
14629 c2 = ToLower(*s2++);
14630 if (c1 > c2) return 1;
14631 if (c1 < c2) return -1;
14632 if (c1 == NULLCHAR) return 0;
14641 return isupper(c) ? tolower(c) : c;
14649 return islower(c) ? toupper(c) : c;
14651 #endif /* !_amigados */
14659 if ((ret = (char *) malloc(strlen(s) + 1)))
14661 safeStrCpy(ret, s, strlen(s)+1);
14667 StrSavePtr(s, savePtr)
14668 char *s, **savePtr;
14673 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14674 safeStrCpy(*savePtr, s, strlen(s)+1);
14686 clock = time((time_t *)NULL);
14687 tm = localtime(&clock);
14688 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14689 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14690 return StrSave(buf);
14695 PositionToFEN(move, overrideCastling)
14697 char *overrideCastling;
14699 int i, j, fromX, fromY, toX, toY;
14706 whiteToPlay = (gameMode == EditPosition) ?
14707 !blackPlaysFirst : (move % 2 == 0);
14710 /* Piece placement data */
14711 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14713 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14714 if (boards[move][i][j] == EmptySquare) {
14716 } else { ChessSquare piece = boards[move][i][j];
14717 if (emptycount > 0) {
14718 if(emptycount<10) /* [HGM] can be >= 10 */
14719 *p++ = '0' + emptycount;
14720 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14723 if(PieceToChar(piece) == '+') {
14724 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14726 piece = (ChessSquare)(DEMOTED piece);
14728 *p++ = PieceToChar(piece);
14730 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14731 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14736 if (emptycount > 0) {
14737 if(emptycount<10) /* [HGM] can be >= 10 */
14738 *p++ = '0' + emptycount;
14739 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14746 /* [HGM] print Crazyhouse or Shogi holdings */
14747 if( gameInfo.holdingsWidth ) {
14748 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14750 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14751 piece = boards[move][i][BOARD_WIDTH-1];
14752 if( piece != EmptySquare )
14753 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14754 *p++ = PieceToChar(piece);
14756 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14757 piece = boards[move][BOARD_HEIGHT-i-1][0];
14758 if( piece != EmptySquare )
14759 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14760 *p++ = PieceToChar(piece);
14763 if( q == p ) *p++ = '-';
14769 *p++ = whiteToPlay ? 'w' : 'b';
14772 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14773 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14775 if(nrCastlingRights) {
14777 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14778 /* [HGM] write directly from rights */
14779 if(boards[move][CASTLING][2] != NoRights &&
14780 boards[move][CASTLING][0] != NoRights )
14781 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14782 if(boards[move][CASTLING][2] != NoRights &&
14783 boards[move][CASTLING][1] != NoRights )
14784 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14785 if(boards[move][CASTLING][5] != NoRights &&
14786 boards[move][CASTLING][3] != NoRights )
14787 *p++ = boards[move][CASTLING][3] + AAA;
14788 if(boards[move][CASTLING][5] != NoRights &&
14789 boards[move][CASTLING][4] != NoRights )
14790 *p++ = boards[move][CASTLING][4] + AAA;
14793 /* [HGM] write true castling rights */
14794 if( nrCastlingRights == 6 ) {
14795 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14796 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14797 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14798 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14799 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14800 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14801 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14802 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14805 if (q == p) *p++ = '-'; /* No castling rights */
14809 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14810 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14811 /* En passant target square */
14812 if (move > backwardMostMove) {
14813 fromX = moveList[move - 1][0] - AAA;
14814 fromY = moveList[move - 1][1] - ONE;
14815 toX = moveList[move - 1][2] - AAA;
14816 toY = moveList[move - 1][3] - ONE;
14817 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14818 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14819 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14821 /* 2-square pawn move just happened */
14823 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14827 } else if(move == backwardMostMove) {
14828 // [HGM] perhaps we should always do it like this, and forget the above?
14829 if((signed char)boards[move][EP_STATUS] >= 0) {
14830 *p++ = boards[move][EP_STATUS] + AAA;
14831 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14842 /* [HGM] find reversible plies */
14843 { int i = 0, j=move;
14845 if (appData.debugMode) { int k;
14846 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14847 for(k=backwardMostMove; k<=forwardMostMove; k++)
14848 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14852 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14853 if( j == backwardMostMove ) i += initialRulePlies;
14854 sprintf(p, "%d ", i);
14855 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14857 /* Fullmove number */
14858 sprintf(p, "%d", (move / 2) + 1);
14860 return StrSave(buf);
14864 ParseFEN(board, blackPlaysFirst, fen)
14866 int *blackPlaysFirst;
14876 /* [HGM] by default clear Crazyhouse holdings, if present */
14877 if(gameInfo.holdingsWidth) {
14878 for(i=0; i<BOARD_HEIGHT; i++) {
14879 board[i][0] = EmptySquare; /* black holdings */
14880 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14881 board[i][1] = (ChessSquare) 0; /* black counts */
14882 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14886 /* Piece placement data */
14887 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14890 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14891 if (*p == '/') p++;
14892 emptycount = gameInfo.boardWidth - j;
14893 while (emptycount--)
14894 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14896 #if(BOARD_FILES >= 10)
14897 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14898 p++; emptycount=10;
14899 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14900 while (emptycount--)
14901 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14903 } else if (isdigit(*p)) {
14904 emptycount = *p++ - '0';
14905 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14906 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14907 while (emptycount--)
14908 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14909 } else if (*p == '+' || isalpha(*p)) {
14910 if (j >= gameInfo.boardWidth) return FALSE;
14912 piece = CharToPiece(*++p);
14913 if(piece == EmptySquare) return FALSE; /* unknown piece */
14914 piece = (ChessSquare) (PROMOTED piece ); p++;
14915 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14916 } else piece = CharToPiece(*p++);
14918 if(piece==EmptySquare) return FALSE; /* unknown piece */
14919 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14920 piece = (ChessSquare) (PROMOTED piece);
14921 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14924 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14930 while (*p == '/' || *p == ' ') p++;
14932 /* [HGM] look for Crazyhouse holdings here */
14933 while(*p==' ') p++;
14934 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14936 if(*p == '-' ) p++; /* empty holdings */ else {
14937 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14938 /* if we would allow FEN reading to set board size, we would */
14939 /* have to add holdings and shift the board read so far here */
14940 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14942 if((int) piece >= (int) BlackPawn ) {
14943 i = (int)piece - (int)BlackPawn;
14944 i = PieceToNumber((ChessSquare)i);
14945 if( i >= gameInfo.holdingsSize ) return FALSE;
14946 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14947 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14949 i = (int)piece - (int)WhitePawn;
14950 i = PieceToNumber((ChessSquare)i);
14951 if( i >= gameInfo.holdingsSize ) return FALSE;
14952 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14953 board[i][BOARD_WIDTH-2]++; /* black holdings */
14960 while(*p == ' ') p++;
14964 if(appData.colorNickNames) {
14965 if( c == appData.colorNickNames[0] ) c = 'w'; else
14966 if( c == appData.colorNickNames[1] ) c = 'b';
14970 *blackPlaysFirst = FALSE;
14973 *blackPlaysFirst = TRUE;
14979 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14980 /* return the extra info in global variiables */
14982 /* set defaults in case FEN is incomplete */
14983 board[EP_STATUS] = EP_UNKNOWN;
14984 for(i=0; i<nrCastlingRights; i++ ) {
14985 board[CASTLING][i] =
14986 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14987 } /* assume possible unless obviously impossible */
14988 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14989 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14990 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14991 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14992 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14993 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14994 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14995 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14998 while(*p==' ') p++;
14999 if(nrCastlingRights) {
15000 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15001 /* castling indicator present, so default becomes no castlings */
15002 for(i=0; i<nrCastlingRights; i++ ) {
15003 board[CASTLING][i] = NoRights;
15006 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15007 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15008 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15009 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15010 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15012 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15013 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15014 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15016 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15017 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15018 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15019 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15020 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15021 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15024 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15025 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15026 board[CASTLING][2] = whiteKingFile;
15029 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15030 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15031 board[CASTLING][2] = whiteKingFile;
15034 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15035 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15036 board[CASTLING][5] = blackKingFile;
15039 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15040 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15041 board[CASTLING][5] = blackKingFile;
15044 default: /* FRC castlings */
15045 if(c >= 'a') { /* black rights */
15046 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15047 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15048 if(i == BOARD_RGHT) break;
15049 board[CASTLING][5] = i;
15051 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15052 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15054 board[CASTLING][3] = c;
15056 board[CASTLING][4] = c;
15057 } else { /* white rights */
15058 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15059 if(board[0][i] == WhiteKing) break;
15060 if(i == BOARD_RGHT) break;
15061 board[CASTLING][2] = i;
15062 c -= AAA - 'a' + 'A';
15063 if(board[0][c] >= WhiteKing) break;
15065 board[CASTLING][0] = c;
15067 board[CASTLING][1] = c;
15071 for(i=0; i<nrCastlingRights; i++)
15072 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15073 if (appData.debugMode) {
15074 fprintf(debugFP, "FEN castling rights:");
15075 for(i=0; i<nrCastlingRights; i++)
15076 fprintf(debugFP, " %d", board[CASTLING][i]);
15077 fprintf(debugFP, "\n");
15080 while(*p==' ') p++;
15083 /* read e.p. field in games that know e.p. capture */
15084 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15085 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15087 p++; board[EP_STATUS] = EP_NONE;
15089 char c = *p++ - AAA;
15091 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15092 if(*p >= '0' && *p <='9') p++;
15093 board[EP_STATUS] = c;
15098 if(sscanf(p, "%d", &i) == 1) {
15099 FENrulePlies = i; /* 50-move ply counter */
15100 /* (The move number is still ignored) */
15107 EditPositionPasteFEN(char *fen)
15110 Board initial_position;
15112 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15113 DisplayError(_("Bad FEN position in clipboard"), 0);
15116 int savedBlackPlaysFirst = blackPlaysFirst;
15117 EditPositionEvent();
15118 blackPlaysFirst = savedBlackPlaysFirst;
15119 CopyBoard(boards[0], initial_position);
15120 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15121 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15122 DisplayBothClocks();
15123 DrawPosition(FALSE, boards[currentMove]);
15128 static char cseq[12] = "\\ ";
15130 Boolean set_cont_sequence(char *new_seq)
15135 // handle bad attempts to set the sequence
15137 return 0; // acceptable error - no debug
15139 len = strlen(new_seq);
15140 ret = (len > 0) && (len < sizeof(cseq));
15142 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15143 else if (appData.debugMode)
15144 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15149 reformat a source message so words don't cross the width boundary. internal
15150 newlines are not removed. returns the wrapped size (no null character unless
15151 included in source message). If dest is NULL, only calculate the size required
15152 for the dest buffer. lp argument indicats line position upon entry, and it's
15153 passed back upon exit.
15155 int wrap(char *dest, char *src, int count, int width, int *lp)
15157 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15159 cseq_len = strlen(cseq);
15160 old_line = line = *lp;
15161 ansi = len = clen = 0;
15163 for (i=0; i < count; i++)
15165 if (src[i] == '\033')
15168 // if we hit the width, back up
15169 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15171 // store i & len in case the word is too long
15172 old_i = i, old_len = len;
15174 // find the end of the last word
15175 while (i && src[i] != ' ' && src[i] != '\n')
15181 // word too long? restore i & len before splitting it
15182 if ((old_i-i+clen) >= width)
15189 if (i && src[i-1] == ' ')
15192 if (src[i] != ' ' && src[i] != '\n')
15199 // now append the newline and continuation sequence
15204 strncpy(dest+len, cseq, cseq_len);
15212 dest[len] = src[i];
15216 if (src[i] == '\n')
15221 if (dest && appData.debugMode)
15223 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15224 count, width, line, len, *lp);
15225 show_bytes(debugFP, src, count);
15226 fprintf(debugFP, "\ndest: ");
15227 show_bytes(debugFP, dest, len);
15228 fprintf(debugFP, "\n");
15230 *lp = dest ? line : old_line;
15235 // [HGM] vari: routines for shelving variations
15238 PushTail(int firstMove, int lastMove)
15240 int i, j, nrMoves = lastMove - firstMove;
15242 if(appData.icsActive) { // only in local mode
15243 forwardMostMove = currentMove; // mimic old ICS behavior
15246 if(storedGames >= MAX_VARIATIONS-1) return;
15248 // push current tail of game on stack
15249 savedResult[storedGames] = gameInfo.result;
15250 savedDetails[storedGames] = gameInfo.resultDetails;
15251 gameInfo.resultDetails = NULL;
15252 savedFirst[storedGames] = firstMove;
15253 savedLast [storedGames] = lastMove;
15254 savedFramePtr[storedGames] = framePtr;
15255 framePtr -= nrMoves; // reserve space for the boards
15256 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15257 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15258 for(j=0; j<MOVE_LEN; j++)
15259 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15260 for(j=0; j<2*MOVE_LEN; j++)
15261 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15262 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15263 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15264 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15265 pvInfoList[firstMove+i-1].depth = 0;
15266 commentList[framePtr+i] = commentList[firstMove+i];
15267 commentList[firstMove+i] = NULL;
15271 forwardMostMove = firstMove; // truncate game so we can start variation
15272 if(storedGames == 1) GreyRevert(FALSE);
15276 PopTail(Boolean annotate)
15279 char buf[8000], moveBuf[20];
15281 if(appData.icsActive) return FALSE; // only in local mode
15282 if(!storedGames) return FALSE; // sanity
15283 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15286 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15287 nrMoves = savedLast[storedGames] - currentMove;
15290 if(!WhiteOnMove(currentMove))
15291 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15292 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15293 for(i=currentMove; i<forwardMostMove; i++) {
15295 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15296 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15297 strcat(buf, moveBuf);
15298 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15299 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15303 for(i=1; i<=nrMoves; i++) { // copy last variation back
15304 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15305 for(j=0; j<MOVE_LEN; j++)
15306 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15307 for(j=0; j<2*MOVE_LEN; j++)
15308 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15309 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15310 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15311 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15312 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15313 commentList[currentMove+i] = commentList[framePtr+i];
15314 commentList[framePtr+i] = NULL;
15316 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15317 framePtr = savedFramePtr[storedGames];
15318 gameInfo.result = savedResult[storedGames];
15319 if(gameInfo.resultDetails != NULL) {
15320 free(gameInfo.resultDetails);
15322 gameInfo.resultDetails = savedDetails[storedGames];
15323 forwardMostMove = currentMove + nrMoves;
15324 if(storedGames == 0) GreyRevert(TRUE);
15330 { // remove all shelved variations
15332 for(i=0; i<storedGames; i++) {
15333 if(savedDetails[i])
15334 free(savedDetails[i]);
15335 savedDetails[i] = NULL;
15337 for(i=framePtr; i<MAX_MOVES; i++) {
15338 if(commentList[i]) free(commentList[i]);
15339 commentList[i] = NULL;
15341 framePtr = MAX_MOVES-1;
15346 LoadVariation(int index, char *text)
15347 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15348 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15349 int level = 0, move;
15351 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15352 // first find outermost bracketing variation
15353 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15354 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15355 if(*p == '{') wait = '}'; else
15356 if(*p == '[') wait = ']'; else
15357 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15358 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15360 if(*p == wait) wait = NULLCHAR; // closing ]} found
15363 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15364 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15365 end[1] = NULLCHAR; // clip off comment beyond variation
15366 ToNrEvent(currentMove-1);
15367 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15368 // kludge: use ParsePV() to append variation to game
15369 move = currentMove;
15370 ParsePV(start, TRUE);
15371 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15372 ClearPremoveHighlights();
15374 ToNrEvent(currentMove+1);